Starting at $144
Starting at $254
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.
Starting at $144
Starting at $254
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
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.
Unable to find information about the schedule of direct flights from
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.
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 03/05/2025, is operated by Alaska Airlines and costs $120
The cheapest roundtrip flight from Boston to Seattle departs on 03/30/2025, is operated by JetBlue Airways and costs $143
Fastest flight from Boston to Seattle takes 6h 21m
There are direct flights on this route 5 days a week: Su, Mo, We, Fr, and Sa
The distance between Boston and Seattle is 3999km (2479 miles). There are 53 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 7:05 PM.
Boston — Seattle
04/20/2025
Departure date
Direct flight
AS4823
Starting at $171
Boston — Seattle
04/22/2025
Departure date
Direct flight
B6497
Starting at $387
Boston — Seattle
06/27/2025
Departure date
Direct flight
AS819
Starting at $279
Boston — Seattle
02/21/2025
Departure date
Direct flight
AS537
Starting at $282
Boston — Seattle
02/25/2025
Departure date
Direct flight
B6497
Starting at $217
Boston — Seattle
03/05/2025
Departure date
Direct flight
AS364
Starting at $120
Boston — Seattle
04/24/2025
Departure date
Direct flight
AS459
Starting at $224
The cheapest flight ticket from Boston to Seattle according to data for the last 48 hours costs $120
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: February, July.
The fastest flights from Boston to Seattle start from 6 hours 21 minutes in the air.
The following airlines operate direct flights on the route Boston — Seattle: Alaska Airlines, JetBlue Airways
We couldn't find any special offers for flights from Boston to Seattle
