$114 Cheap Flights from Seattle to Boston

Feel at ease with free flight cancellations within 24 hours of booking

Change your flight without a fee on select flights

Find The Best Dates To Fly from Seattle - Tacoma Intl. to Logan Intl.

Amazing SEA to BOS Flight Deals

The cheapest flights to Logan Intl. found within the past 7 days were $198 round trip and $114 one way. Prices and availability subject to change. Additional terms may apply.

Flight Schedule for SEA to BOS

CarrierFlightDepart SEAArrive BOSWed
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AS144110:35 am07:03 pmCheck FareCheck FareCheck Fare
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DL33203:23 pm11:44 pmCheck FareCheck FareCheck FareCheck FareCheck FareCheck FareCheck Fare
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AS73603:40 pm11:59 pmCheck FareCheck FareCheck FareCheck FareCheck FareCheck FareCheck Fare
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AS32610:25 pm06:40 amCheck FareCheck FareCheck FareCheck FareCheck FareCheck FareCheck Fare
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DL262110:29 pm06:44 amCheck FareCheck FareCheck Fare
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B649810:53 pm07:07 amCheck FareCheck FareCheck FareCheck FareCheck FareCheck FareCheck Fare
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Best Logan Intl. Flight and Hotel Packages

Logan Intl. flight + hotel packages - economy flights

The Bostonian Boston
Renaissance Boston Waterfront Hotel
Hyatt Regency Boston/Cambridge
Aloft Boston Seaport District, a Marriott Hotel
Seaport Hotel Boston
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Frequently asked questions

 

Traveling From Seattle - Tacoma Intl.
Traveling To Logan Intl.
Shortest Flight Time 11 hours 14 mins
Earliest Departure Time 7:20AM EDT
Latest Departure Time 10:53PM EDT
Lowest Flight Price $198

Route Info

Flight path for flights from Seattle-Tacoma International Airport to Logan International Airport

Distance:
2,502.00 miles

Airlines & Aircraft Used on SEA to BOS Flight Routes

Airline Carrier
Aircraft
Alaska Airlines
Airbus A320-100/200
Alaska Airlines
Boeing 737-800 pax
American Airlines
Boeing 737 all pax models
Delta Air Lines
Airbus A320-100/200
Jet Airways (India)
Beechcraft twin piston engines
Jet Airways (India)
Embraer EMB.120 Brasilia
United Airlines
Boeing 737 all pax models
United Airlines
Embraer EMB.110 Bandeirnate

Discover our best flights from Seattle SEA to Boston BOS. 

With 20 airlines to choose from on Travelocity, you can easily find the best option for you. Use our filters to sort by price, compare airlines, and find the most convenient flight times. 

 

Find our best return flights from Seattle SEA to Boston BOS at the right price  

Airfares to Boston BOS from Seattle SEA currently cost between $198 and $247. It’s usually cheaper to book a round trip than two separate one-way flights. Prices and availability subject to change. Additional terms may apply. 

 

Book one-way flights from Seattle SEA to Boston BOS 

If you want to be flexible about when you return, or keep your travel options open ended, a one-way flight could be just the ticket! You’ll find one-way airfares from Seattle SEA to Boston BOS on Travelocity starting at $114. Prices and availability subject to change. Additional terms may apply. 

 

Get to Boston BOS from Seattle SEA quicker with direct flights. 

Get to Boston faster, without the hassle of changing planes and moving baggage, by booking a direct flight. Expect your direct flight to BOS from SEA to take around 11 hour(s) 14 min(s).  

 

Find our cheapest airfares for flights from Seattle SEA to Boston BOS

Find cheap flight deals by using our search filters to sort results starting with the lowest price airfares to BOS from SEA. Our Price Match Promise means if you find a lower rate on Travelocity.com or on another US-based website within 24 hours of booking, we’ll credit or refund the difference.  

 

Get our best airfare deals for your flight from Seattle SEA to Boston BOS today 

If you’re flexible about when you travel, November is usually the cheapest month to fly from Seattle SEA to Boston BOS. If you need to be more specific, search by date and arrival and departure times.Then, compare prices across different airlines, and sort results by lowest price first. 

 

Book flexible airline tickets for flights to Boston BOS from Seattle SEA 

Some airlines let you change your travel dates without charging a fee. Use our ‘no change fee’ filter to see which flights to BOS from SEA have this option.  

 

Travel with confidence when you book flights to Boston BOS from Seattle SEA with Travelocity 

We’ve secured fantastic deals with all the main airline carriers and it’s easy to compare, choose, and book with Travelocity. With 24/7 customer service and our free 'App', we’ll always keep you moving. 

*Price based on the lowest price found within past 24 hours and based upon one night stay for two adults over the next thirty days. Prices and availability subject to change. Additional terms may apply.