Please click on the specific area of the page that your feedback is related to so it can be sent to the correct team.Cheapest round-trip prices found by our users on KAYAK in the last 72 hours. One-way Round-trip. Orlando nonstop $79. Miami nonstop $87. Fort Lauderdale nonstop $85. Tampa 1 stop $106. Fort Myers nonstop $87. Jacksonville 1 stop $83. Sarasota 1 stop $116.Distance from Boston to Seattle (Logan International Airport – Seattle–Tacoma International Airport) is 2496 miles / 4016 kilometers / 2169 nautical miles. See also a map, estimated flight duration, carbon dioxide emissions and …Feb 4, 2024 · Find the best deals on flights from Boston Logan International (BOS) to Seattle / Tacoma International (SEA). Compare prices from hundreds of major travel agents and airlines, all in one search. This month, there are 26,970 flights arriving at Seattle / Tacoma Airport, which are 899 flights per day or 37 flights per hour. On an average day, there is at least 1 flight arriving every 2 minutes. The most frequently departed flights to Seattle / Tacoma are routes from Portland (PDX) in United States and Phoenix (PHX), also in United States. Atlanta, GA - Hartsfield-Jackson Atlanta Intl Airport is the most popular connection for one stop flights between Boston, MA and Seattle; In-Flight information. The average flying time for a direct flight from Boston, MA to Seattle is 6 hours 24 minutes; Most direct flights leave around 7:00 EDT; Korean Air flight #25 is today's earliest flight ... Flight status. Help. Contact American. Receipts and refunds. FAQs. Agency reference. Cargo , Opens another site in a new window that may not meet accessibility guidelines. Bag and optional fees. Customer service and contingency plans.All flights by Alaska Airlines and Horizon Air, which is owned by Alaska, were grounded from 7:30 a.m. to 8:30 a.m. “out of an abundance of caution,” the …Return flight price. Wed 01 May - Sat 04 May. from. £210. One-way flight price: from £210 Flights Departing from: Boston Flights arriving in: Seattle Airlines flying to this destinationFind and book cheap flights from Logan Intl. Airport to Seattle - Tacoma Intl. Airport with Expedia. Compare prices, dates, airlines and deals for one-way or roundtrip flights from … On average, a flight to Seattle costs $376. The cheapest price found on KAYAK in the last 2 weeks cost $44 and departed from Phoenix Sky Harbor Intl Airport. The most popular routes on KAYAK are Chicago to Seattle which costs $364 on average, and Boston to Seattle, which costs $512 on average. See prices from: DL384 and Boston BOS to Seattle SEA Flights. Flight DL384 is code-shared by 3 airlines using the flight numbers KE3010, MU8686, VS3721. Other flights departing from Boston BOS: AA2096, B6569, DL1762, AA2980. Other flights arriving at Seattle SEA: DL166, AS370, AS349, AS629.Disclaimer for AS459 Flight Radar Data. Flight AS459 from Boston to Seattle is operated by Alaska Airlines. Scheduled time of departure from Boston Logan Intl is 07:00 EDT and scheduled time of arrival in Seattle Tacoma Intl is 10:15 PDT. The duration of the flight Alaska Airlines AS 459 is 6 hours 15 minutes.Boston Logan, MA to Seattle/Tacoma, WA. departing on 10/29. one-way starting at*. $179. Book now. * Restrictions and exclusions apply. Seats and dates are limited. Select markets. 17 travel days available. Boston to Seattle / Tacoma Flights. Flights from BOS to SEA are operated 32 times a week, with an average of 5 flights per day. Departure times vary between 06:30 - 19:59. The earliest flight departs at 06:30, the last flight departs at 19:59. However, this depends on the date you are flying so please check with the full flight schedule above ... Book the lowest fares on Seattle flights today! Find low-fare American Airlines flights to Seattle. Enjoy our travel experience and great prices. Book the lowest fares on Seattle flights today! ... Boston (BOS) to. Seattle (SEA) 05/06/24 - 05/13/24. from. $251* Updated: 5 hours ago. Round trip. I. Economy. See Latest Fare. Columbus (CMH) to ...Cheap flights from Boston (BOS) to Seattle (SEA) Prices were available within the past 7 days and start at CA $160 for one-way flights and CA $333 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply. Book one-way or return flights from Boston to Seattle with no change fee on selected ...Cheapest round-trip prices found by our users on KAYAK in the last 72 hours. One-way Round-trip. Orlando nonstop $79. Miami nonstop $87. Fort Lauderdale nonstop $85. Tampa 1 stop $106. Fort Myers nonstop $87. Jacksonville 1 stop $83. Sarasota 1 stop $116.Cheap Flights from Seattle Paine Field Intl. Airport to Boston (PAE-BOS) Prices were available within the past 7 days and start at $206 for one-way flights and $439 for round trip, for the period specified. Prices and availability are … The cheapest return flight ticket from Houston to Seattle found by KAYAK users in the last 72 hours was for $119 on Frontier, followed by Spirit Airlines ($157). One-way flight deals have also been found from as low as $75 on Frontier and from $94 on Spirit Airlines. Flights from Boston to Seattle. Use Google Flights to plan your next trip and find cheap one way or round trip flights from Boston to Seattle. Find the best flights fast,... Cheap Flights from Boston (BOS) to Seattle (SEA) Prices were available within the past 7 days and start at £103 for one-way flights and £203 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply. Reserve one-way or return flights from Boston to Seattle with no change fee on selected ...08/15/24 - 08/23/24. from. $ 568*. Viewed: 15 hours ago. From. Boston (BOS) To. Seattle (SEA) Roundtrip.fly for about 4.5 hours in the air. 5:48 pm (local time): Logan International (BOS) Boston is 3 hours ahead of Seattle. so the time in Seattle is actually 2:48 pm. taxi on the runway for an average of 9 minutes to the gate. 5:57 pm (local time): arrive at the gate at BOS. deboard the plane, and claim any baggage.Cheap flights from Boston (BOS) to Seattle (SEA) Prices were available within the past 7 days and start at CA $160 for one-way flights and CA $333 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply. Book one-way or return flights from Boston to Seattle with no change fee on selected ...View airport information for Seattle (SEA) Compare cheap flights to Seattle with Alaska Airlines. Enjoy our low prices and generous experience. Book the lowest fares on Seattle flights today.Lowest fares from Seattle to Boston. Searching for cheap flights from Seattle to Boston? Enjoy comfort, premium cabin legroom and free movies with Alaska Airlines. Find the lowest fares today.fly for about 6 hours in the air. 10:16 am (local time): Seattle/Tacoma International (SEA) Seattle is 3 hours behind Boston. so the time in Boston is actually 1:16 pm. taxi on the runway for an average of 12 minutes to the gate. 10:28 am (local time): arrive at the gate at SEA. deboard the plane, and claim any baggage.All flight schedules from Seattle Tacoma International , Washington , USA to General Edward Lawrence Logan International , Massachusetts , USA . This route is operated by 3 airline (s), and the flight time is 6 hours and 29 minutes. The distance is 2502 miles. USA.Boston to Seattle flight time & Flights Info. Flight Time. 6 hours 21 minutes. Earliest Flight. 06:30⇒09:50. Latest Flight. 19:59⇒23:22. Direct Flight Price.All flight schedules from Seattle Tacoma International , Washington , USA to General Edward Lawrence Logan International , Massachusetts , USA . This route is operated by 3 airline (s), and the flight time is 6 hours and 29 minutes. The distance is 2502 miles. USA. Compare flight deals to Seattle from Boston from over 1,000 providers. Then choose the cheapest or fastest plane tickets. Flight tickets to Seattle start from £102 one-way. Flex your dates to find the best BOS-SEA ticket prices. Airfares from $125 One Way, $226 Round Trip from Boston to Seattle. Prices starting at $226 for return flights and $125 for one-way flights to Seattle were the cheapest prices found within the past 7 days, for the period specified. Boston Logan International. Seattle / Tacoma International. Compare Boston Logan International to Seattle / Tacoma International flight deals. Find the cheapest month or …Find flights to Seattle from $135. Fly from Boston on Spirit Airlines, United Airlines, American Airlines and more. Search for Seattle flights on KAYAK now to find the best …The two airlines most popular with KAYAK users for flights from Boston to Shanghai are Hainan Airlines and Delta. With an average price for the route of $1,254 and an overall rating of 8.1, Hainan Airlines is the most popular choice. Delta is also a great choice for the route, with an average price of $2,001 and an overall rating of 8.0.Prices were available within the past 7 days and start at $139 for one-way flights and $257 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply. All deals. One way. Roundtrip. Sat, Apr 27 - …Fly direct from London to Seattle with British Airways to begin your Washington State adventure. The city’s diverse neighbourhoods are compact and walkable, so you can cover plenty of ground in a day. Start your morning the Seattle way, with freshly brewed coffee, then hop on the Seattle Centre Monorail, which stops at the Museum of Pop ...Cheap Flights from Boston to Shanghai (BOS-PVG) Prices were available within the past 7 days and start at $762 for one-way flights and $1,226 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply. Book one-way or return flights from Boston to Shanghai with no change fee on selected flights.Find airfare and ticket deals for cheap flights from Boston, MA to Seattle, WA. Search flight deals from various travel partners with one click at $91.There are 4 airlines that fly direct from Boston to Seattle. They are: Alaska Airlines, Delta, Hainan Airlines and JetBlue. The cheapest price of all airlines flying this route was found …Users in need of a one-way flight from Boston to Washington can choose from these deals. Users can also find round-trip Boston to Washington flights by using the search form above. Wed 4/24 5:00 am BOS - SEA. 1 stop 10h 38m American Airlines. Deal found 4/17 $125. Washington ». Seattle ». First Class. $261. Seattle. Search and compare first class flight deals to Seattle. Fly from San Francisco from $327, from Ontario from $387, from Los Angeles from $454. Book your first class tickets to Seattle. Flights to Boston (BOS) with American Airlines. Find low-fare American Airlines flights to Boston. Enjoy our travel experience and great prices. Book the lowest fares on Boston flights today! Use Google Flights to plan your next trip and find cheap one way or round trip flights from Seattle to Boston. Find the best flights fast, track prices, and book with confidence. Amazing American Airlines BOS to SEA Flight Deals. The cheapest flights to Seattle - Tacoma Intl. found within the past 7 days were $316 round trip and $152 one way. Prices and availability subject to change. Additional terms may apply. Sat, Mar 23 - Mon, Mar 25.Apr 26, 2020 · $129 Cheap Delta flights Boston (BOS) to Seattle (SEA) Prices were available within the past 7 days and start at $129 for one-way flights and $254 for round trip, for the period specified. Prices and availability are subject to change. The cheapest month for flights from Boston to Seattle is January, where tickets cost ₹ 18,148 on average. On the other hand, the most expensive months are June and July, where the average cost of tickets is ₹ 42,820 and ₹ 41,649 respectively. Find cheap flights from Seattle to Massachusetts from. $135. Round-trip. 1 adult. Economy. 0 bags. Add hotel. Thu 5/23. Thu 5/30. Non-stop flight time from Boston to Seattle, WA is around 6 hours 45 minutes. Fastest one-stop flight between Boston and Seattle, WA takes close to 8 hours . However, some airlines could take as long as 13 hours based on the stopover destination and waiting duration. This is the average non-stop flight time from Boston to Seattle, WA.New England traded a 2024 International Roster Spot and up to $75,000 in General Allocation Money (GAM) in exchange for the 29-year-old Arreaga, who had …Direct flights from Boston to Seattle. All flights from BOS to SEA non-stop. There are direct flights from General Edward Lawrence Logan International, Massachusetts, USA to Seattle Tacoma International (SEA), Washington, USA every day of the week The flight distance is 2502 miles and the trip usually takes about 6 hours and 9 minutes.DL384 and Boston BOS to Seattle SEA Flights. Flight DL384 is code-shared by 3 airlines using the flight numbers KE3010, MU8686, VS3721. Other flights departing from Boston BOS: AA2096, B6569, DL1762, AA2980. Other flights arriving at Seattle SEA: DL166, AS370, AS349, AS629.There are 4 airlines that fly nonstop from Boston to Seattle. They are: Alaska Airlines, Delta, Hainan Airlines and JetBlue. The cheapest price of all airlines flying this route was found with JetBlue at $133 for a one-way flight. On average, the best prices for this route can be found at Alaska Airlines. Find cheap flights from Seattle to Massachusetts from. $135. Round-trip. 1 adult. Economy. 0 bags. Add hotel. Thu 5/23. Thu 5/30. Select Spirit Airlines flight, departing Sat, Sep 14 from Seattle to Boston, returning Wed, Sep 18, priced at $256 found 6 hours ago Best Logan Intl. Flight and Hotel Packages Logan Intl. flight + hotel packages - economy flightsApr 14, 2024 · Cheap Flights from Boston Logan International (BOS) to Seattle (SEA) Compare Boston Logan International to Seattle flight deals. Find the cheapest month or even day of the year to fly to Seattle. Book the best Seattle fare with no extra fees. Flights to Boston, MA (BOS) Origin. Destination. Filters. Boston has the distinction of being one of the oldest cities in the United States, founded in 1630 by Puritan colonists from England, and you can’t throw a rock without hitting a piece of history. Established in 1634, Boston Common’s 50 sprawling acres of green space is the oldest ...JetBlue offers flights to 90+ destinations with free inflight entertainment, free brand-name snacks and drinks, lots of legroom and award-winning service. Book JetBlue flights and vacation packages to 100+ destinations. Award-winning service, the most legroom in coach, free wi-fi, live TV, movies, snacks, and more.Track AA9302 from Boston to Seattle: American Airlines flight status, schedule, delay compensation, and real-time updates. Flight Tracker; ... AA9302 Flight Status American Airlines: Boston to Seattle (AAL9302) American Airlines AA 9302. Scheduled in 06:52:08 ' Boston. Boston Logan International Airport (BOS) All BOS …AS349 and Boston BOS to Seattle SEA Flights. Flight AS349 is code-shared by 3 airlines using the flight numbers AA9369, JL6357, TN2336. Other flights departing from Boston BOS: B6167, DL5670, AA2600, DL627. Other flights arriving at Seattle SEA: UA1986, AS2400, AS2185, AS9441. All flights connecting Boston BOS to Seattle SEA. Compare flight deals to Seattle from Boston from over 1,000 providers. Then choose the cheapest or fastest plane tickets. Flight tickets to Seattle start from £102 one-way. Flex your dates to find the best BOS-SEA ticket prices. Direct. from $55. Seattle.$63 per passenger.Departing Tue, Apr 30, returning Sat, May 4.Round-trip flight with Frontier Airlines.Outbound direct flight with Frontier Airlines departing from Phoenix Sky Harbor on Tue, Apr 30, arriving in Seattle / Tacoma International.Inbound direct flight with Frontier Airlines departing from Seattle / Tacoma ...Please click on the specific area of the page that your feedback is related to so it can be sent to the correct team.Book the lowest fares on Seattle flights today! Find low-fare American Airlines flights to Seattle. Enjoy our travel experience and great prices. Book the lowest fares on Seattle flights today! ... Boston (BOS) to. Seattle (SEA) 05/06/24 - 05/13/24. from. $251* Updated: 5 hours ago. Round trip. I. Economy. See Latest Fare. Columbus (CMH) to ...B789. Arrived / Gate Arrival. Sun 05:40PM EST. 08:30PM PST Sun. Boston Logan Intl (KBOS) - Seattle-Tacoma Intl (KSEA) - Flight Finder - Find and track any flight (airline or private) -- search by origin and destination.Check real-time flight status of B6197 from Boston to Seattle on Trip.com. Find latest flight arrivals & departures and other travel information. Book Jetblue Airways flight tickets with us! Hotels; Flights; Trains; Cars. ... Seattle (SEA) Boston (BOS) Tue, Apr 23. One way. 80% OFF. US$621 From US$121. Seattle (SEA) Boston (BOS) Wed, Apr 17 ...The Federal Aviation Administration lifted a ground stop for all Alaska Airlines flights Wednesday after grounding the planes earlier as a result of a computer problem … Fall sees many cultural festivals, such as Croatia Fest, Fremont Oktoberfest and TurkFest. Winter highlights include Winterfest, Seattle Boat Show and Wintergrass Bluegrass Festival. Book cheap flights to Seattle (SEA) with United Airlines. Enjoy all the in-flight perks on your Seattle flight, including speed Wi-Fi. Flights from Seattle to Boston. Use Google Flights to plan your next trip and find cheap one way or round trip flights from Seattle to Boston.Book the lowest fares on Seattle flights today! Find low-fare American Airlines flights to Seattle. Enjoy our travel experience and great prices. Book the lowest fares on Seattle flights today! ... Boston (BOS) to. Seattle (SEA) 05/06/24 - 05/13/24. from. $251* Updated: 5 hours ago. Round trip. I. Economy. See Latest Fare. Columbus (CMH) to ...This month, there are 26,970 flights arriving at Seattle / Tacoma Airport, which are 899 flights per day or 37 flights per hour. On an average day, there is at least 1 flight arriving every 2 minutes. The most frequently departed flights to Seattle / Tacoma are routes from Portland (PDX) in United States and Phoenix (PHX), also in United States.Please click on the specific area of the page that your feedback is related to so it can be sent to the correct team.Direct. from $286. Boston.$287 per passenger.Departing Mon, Apr 29, returning Tue, May 7.Round-trip flight with Alaska Airlines.Outbound direct flight with Alaska Airlines departing from Seattle / Tacoma International on Mon, Apr 29, arriving in Boston Logan International.Inbound direct flight with Alaska Airlines departing from Boston Logan ... from. Boston (MA) Cheap flights from Boston (MA) to Seattle from £138.99. Boston (MA) (United States) - Seattle (United States) return flights from £292.99. From 04/06/2024 (Tuesday) - 12/06/2024 (Wednesday). Check for the dates with the lowest prices and find the cheapest rates. Ultra Low Fare Flights from Boston (BOS) to Seattle (SEA) 1 passenger. From. 04/18/2024.Boston Logan International. Seattle / Tacoma International. Compare Boston Logan International to Seattle / Tacoma International flight deals. Find the cheapest month or …Cheap flights from Boston to Seattle (BOS - SEA) from $89. Round-trip One-way Multi-city. From? To? Tue 4/2. Tue 4/9. 1 adult. Economy. Find Your Flight. The best prices …Select Spirit Airlines flight, departing Sat, Sep 14 from Seattle to Boston, returning Wed, Sep 18, priced at $256 found 6 hours ago Best Logan Intl. Flight and Hotel Packages Logan Intl. flight + hotel packages - economy flightsEach day, there are between 12 and 18 nonstop flights that take off from Seattle and land in Boston, with an average flight time of 5h 27m. The most common departure time is 15:00 and most flights take off in the morning. Each week, there are 109 flights. The most frequent day of departure is Sunday, when 17% of all weekly flights depart.Prices were available within the past 7 days and start at $129 for one-way flights and $257 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply. All deals. One way. Roundtrip. Tue, Apr 30 - …Airfares from $101 One Way, $245 Round Trip from Seattle to Boston. Prices starting at $245 for return flights and $101 for one-way flights to Boston were the cheapest prices found within the past 7 days, for the period specified. Prices and availability are subject to change. Additional terms apply.Cheapest round-trip prices found by our users on KAYAK in the last 72 hours. One-way Round-trip. Seattle 2 stops $211. Spokane 1 stop $358. Pasco 1 stop $437. Bellingham 1 stop $506. Pullman 2 stops $757. Wenatchee 2 stops $875. Portland 1 stop $221.
fly for about 4.5 hours in the air. 5:48 pm (local time): Logan International (BOS) Boston is 3 hours ahead of Seattle. so the time in Seattle is actually 2:48 pm. taxi on the runway for an average of 9 minutes to the gate. 5:57 pm (local time): arrive at the gate at BOS. deboard the plane, and claim any baggage.. Zigler
Connect with us. Find low fares to top destinations on the official Southwest Airlines website. Book flight reservations, rental cars, and hotels on southwest.com.AS317 and Boston BOS to Seattle SEA Flights. Flight AS317 is code-shared by 2 airlines using the flight numbers QR2967, TN2331. Other flights departing from Boston BOS: B6197, B6327, NK2086, 9K1007. Other flights arriving at Seattle SEA: AS1403, AS345, AS1071, WN787. All flights connecting Boston BOS to Seattle SEA.Jan 28, 2024 · Flights from Spirit Airlines typically cost $377.91 RT. The cheapest Spirit Airlines flight found for this route was $138. When traveling from Boston to Seattle on Spirit Airlines, the most popular airport to depart from is Boston Logan Intl Airport and the most popular airport to arrive at is Seattle/Tacoma Intl Airport. Seattle. 239 € per passenger. Departing Thu, 2 May, returning Sun, 5 May. Return flight with Alaska Airlines and jetBlue. Outbound direct flight with Alaska Airlines departs from Boston Logan International on Thu, 2 May, arriving in Seattle / Tacoma International.The two airlines most popular with KAYAK users for flights from Seattle to Boston are Alaska Airlines and Delta. With an average price for the route of C$ 475 and an overall rating of 8.1, Alaska Airlines is the most popular choice. Delta is also a great choice for the route, with an average price of C$ 323 and an overall rating of 8.0.The two airlines most popular with KAYAK users for flights from Boston to Vancouver are Alaska Airlines and Delta. With an average price for the route of $631 and an overall rating of 8.1, Alaska Airlines is the most popular choice. Delta is also a great choice for the route, with an average price of $530 and an overall rating of 8.0.1 stop. Wed, 1 May BOS - SEA with United. 1 stop. from $395. Boston.$454 per passenger.Departing Wed, 1 May, returning Tue, 7 May.Return flight with Delta.Outbound direct flight with Delta departs from Seattle / Tacoma International on Wed, 1 May, arriving in Boston Logan International.Inbound direct flight with Delta departs from Boston …Take a look at the list of non stop flights and flights with layovers from Boston to Seattle with the lowest price of $47. The fastest direct flight takes 6h and the fastest connecting – 7h 26m. *Departure and arrival times - local.Wed, 15 May BOS - SEA with Frontier Airlines. 1 stop. from £186. Boston. £202 per passenger.Departing Sat, 27 Apr, returning Sun, 28 Apr.Return flight with Delta.Outbound direct flight with Delta departs from Seattle / Tacoma International on Sat, 27 Apr, arriving in Boston Logan International.Inbound direct flight with Delta departs from ...Flight Status & Notifications. All fields required. Search by. From City or Airport. To City or Airport. Departure Date Selected Departure date 2024AprilWednesday24. Open calender and then use pageup and pagedown to navigate between months and alt + pageup and alt + pagedown for years.Cheap Flights from Boston to Seattle Paine Field Intl. Airport (BOS-PAE) Prices were available within the past 7 days and start at $215 for one-way flights and $463 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply. Washington ». Seattle. $227. Flights to Seattle, Seattle. Find flights to Seattle from $125. Fly from Massachusetts on American Airlines, Alaska Airlines, JetBlue and more. Search for Seattle flights on KAYAK now to find the best deal. Flying time between cities. Travelmath provides an online flight time calculator for all types of travel routes. You can enter airports, cities, states, countries, or zip codes to find the flying time between any two points. The database uses the great circle distance and the average airspeed of a commercial airliner to figure out how long a ...Flights from Seattle to Boston. Use Google Flights to plan your next trip and find cheap one way or round trip flights from Seattle to Boston.Boston to Seattle flight time & Flights Info. Flight Time. 6 hours 21 minutes. Earliest Flight. 06:30⇒09:50. Latest Flight. 19:59⇒23:22. Direct Flight Price. Sun, 8 Dec SEA - BOS with United. 1 stop. from £204. Seattle. £204 per passenger.Departing Wed, 23 Oct, returning Sat, 26 Oct.Return flight with United.Outbound indirect flight with United, departs from Boston Logan International on Wed, 23 Oct, arriving in Seattle / Tacoma International.Inbound indirect flight with United, departs from ... Please click on the specific area of the page that your feedback is related to so it can be sent to the correct team.All flight schedules from Seattle Tacoma International , Washington , USA to General Edward Lawrence Logan International , Massachusetts , USA . This route is operated by 3 airline (s), and the flight time is 6 hours and 29 minutes. The distance is 2502 miles. USA.$129 Cheap Delta flights Boston (BOS) to Seattle (SEA) Prices were available within the past 7 days and start at $129 for one-way flights and $254 for round trip, for the period specified. Prices and availability are subject to change.Flights from Seattle (SEA) to Boston (BOS) Origin airport. Seattle - Tacoma Intl. Destination airport. Logan Intl. Airlines serving. Alaska Airlines, American Airlines, Delta, JetBlue Airways, Spirit Airlines, Sun Country Airlines, …Seattle / Tacoma to Boston Flights Flights from SEA to BOS are operated 33 times a week, with an average of 5 flights per day. Departure times vary between 06:30 - 23:59. The earliest flight departs at 06:30, the last flight departs at 23:59. However, this depends on the date you are flying so please check with the full flight schedule above to ....