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 Seattle to Boston. We have connected more than 40 airlines and airline ticketing agencies to help you find the most suitable and affordable flight option.
A non-stop flight is the most convenient and comfortable way to fly from Seattle to Boston, despite the fact that sometimes flights with transfers can cost significantly less.
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Answers to questions about the route that travelers are most interested in.
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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There are most likely no direct flights on the Seattle — Boston route
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 Seattle to Boston
Seattle — Boston
11/13/2026
Departure
Direct flight
AS214
starting at $314
Seattle — Boston
11/14/2026
Departure
Direct flight
AS279
starting at $315
Seattle — Boston
11/15/2026
Departure
Direct flight
AS460
starting at $318
Seattle — Boston
11/17/2026
Departure
Direct flight
UA1372
starting at $233
Seattle — Boston
11/26/2026
Departure
Direct flight
AS279
starting at $320
Seattle — Boston
11/07/2026
Departure
Direct flight
UA1372
starting at $390
starting at $202
starting at $233
starting at $280
starting at $285
More than 4 airlines operate flights from Seattle to Boston, including Alaska Airlines, United Airlines, Southwest Airlines, and American Airlines. This is a popular route, so passengers can choose tickets based on budget and preferences. Ticket prices start from $202, and our service lets you instantly compare all options. The variety of offers simplifies planning: you can choose budget fares or more comfortable options with baggage included or extra services. We help you find the best deals so your trip is cost-efficient.
The cheapest flight ticket from Seattle to Boston according to data for the last 48 hours costs $202
Often the best time to buy tickets from Seattle to Boston is 2 months before departure.
Based on statistics over the past years, the lowest prices for flights from Seattle to Boston can be found flying in these months: November.
The fastest flights from Seattle to Boston start from 7 hours 40 minutes in the air.
The following airlines operate direct flights on the route Seattle — Boston: Alaska Airlines, United Airlines
The cheapest one-way flight from Seattle to Boston departs on 11/17/2026, is operated by Alaska Airlines and costs $202
There is no information about the cheapest roundtrip flight from Seattle to Boston
Fastest flight from Seattle to Boston takes 7h 40m
There are direct flights on this route 5 days a week: Su, Tu, Th, Fr, and Sa
The distance between Seattle and Boston is 3999km (2479 miles). There are 55 direct flights from Seattle to Boston. The time difference between Seattle and Boston is 3h. Flights from Seattle begin at 7:24 AM. The latest flight from Seattle departs at 11:10 PM
We couldn't find any special offers for flights from Seattle to Boston