Helping travelers to find the best flight offers
A direct flight is the easiest way to get to your destination. The following airlines operate non-stop flights from Boston to Seattle:
We keep tight track on airlines' pre-holidays sales and other special offers occurences all the time to let you save maximum amount of funds while traveling to your family or just going out on vacation.
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Flaut.Travel was designed and developed by a team dedicated to making the process of searching, comparing and booking airline tickets as easy and convenient as possible. Our service helps travelers to find and buy the cheapest flights from Boston to Seattle. We have connected more than 40 airlines and airline ticketing agencies to help you find the most suitable and affordable flight option.
A direct flight is the most convenient and comfortable way to fly from Boston to Seattle, despite the fact that sometimes flights with transfers can cost significantly less.
We carefully collect statistics on the search and pricing of airlines and, based on these data, we make an assumption about future prices. Thus, you can better understand which season is the cheapest to fly from Boston to Seattle
Below you will find a list of airlines operating flights on the Boston — Seattle route and the starting prices for flights of each specific airline on it.
The cheapest one-way flight from Boston to Seattle departs on 06/04/2025, is operated by Alaska Airlines and costs $119
The cheapest roundtrip flight from Boston to Seattle departs on 05/15/2025, is operated by Alaska Airlines and costs $174
Fastest flight from Boston to Seattle takes 6h 8m
There are direct flights on this route 5 days a week: Tu, We, Th, Fr, and Sa
The distance between Boston and Seattle is 3999km (2479 miles). There are 80 direct flights from Boston to Seattle. The time difference between Boston and Seattle is 3h . Flights from Boston begin at 7:00 AM. The latest flight from Boston departs at 7:18 PM.
Boston — Seattle
06/23/2025
Departure date
Direct flight
B6397
Starting at $186
Boston — Seattle
10/10/2025
Departure date
Direct flight
AS819
Starting at $281
Boston — Seattle
10/15/2025
Departure date
Direct flight
HA4825
Starting at $228
Boston — Seattle
04/08/2025
Departure date
Direct flight
AS4822
Starting at $386
Boston — Seattle
04/10/2025
Departure date
Direct flight
AS4822
Starting at $503
Boston — Seattle
05/03/2025
Departure date
Direct flight
B6397
Starting at $177
Boston — Seattle
05/07/2025
Departure date
Direct flight
AS537
Starting at $154
Boston — Seattle
05/10/2025
Departure date
Direct flight
HA4822
Starting at $250
Boston — Seattle
06/03/2025
Departure date
Direct flight
HA4825
Starting at $119
Boston — Seattle
06/04/2025
Departure date
Direct flight
AS364
Starting at $119
The cheapest flight ticket from Boston to Seattle according to data for the last 48 hours costs $119
Often the best time to buy tickets from Boston to Seattle is 2 months before departure.
Based on statistics over the past years, the lowest prices for flights from Boston to Seattle can be found flying in these months: June, April, August.
The fastest flights from Boston to Seattle start from 6 hours 8 minutes in the air.
The following airlines operate direct flights on the route Boston — Seattle: JetBlue Airways, Alaska Airlines, Hawaiian Airlines
We couldn't find any special offers for flights from Boston to Seattle
Starting at $119
Starting at $123
Starting at $139
Starting at $174
Starting at $222