starting at $210
starting at $207
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.
All airlines serving Seattle — Boston operate daily direct flights: JetBlue Airways and Alaska Airlines fly every day.
•
•
•
•
•
•
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.
Flights from Seattle to Boston are operated by several airlines — Alaska Airlines and Southwest Airlines. This allows passengers to flexibly choose flights based on departure time, cost, and additional services. The minimum ticket price starts at $207, making this destination accessible to travelers with different budgets. We help compare all available options in real time, so you can book tickets at the best value for money. The service ensures transparent search and lets you book affordable flights in just a few clicks.
starting at $210
starting at $207
Seattle — Boston
07/27/2026
Departure
Direct flight
AS536
starting at $219
Seattle — Boston
08/14/2026
Departure
Direct flight
AS1505
starting at $406
JetBlue Airways
Every day
starting at $252
Alaska Airlines
Every day
starting at $415
Seattle–Tacoma International Airport (SEA) is the region’s main international hub, serving a mix of legacy carriers and numerous low-cost and international airlines; it typically offers competitively priced options for both domestic and transpacific flights. Located about 14 miles south of downtown Seattle, travel to the city center usually takes 20–40 minutes by Link light rail or 20–40 minutes by car depending on traffic, with light rail fares generally in the low single-digit range and taxis/rideshares considerably higher. Frequent shuttle and rental-car services add flexibility. Pros: comprehensive amenities, strong connectivity and regular flight frequencies. Cons: can be busy during peak hours and ground transport times vary with congestion.
Logan International Airport (BOS) is Boston’s primary international gateway and the region’s main hub, handling a mix of legacy carriers, major network airlines and a growing number of low-cost carriers. Located about 3 miles northeast of downtown, it’s typically perceived as mid-to-premium in price compared with nearby secondary airports. Ground links include the MBTA Silver Line bus (~20–30 minutes, often free from central stations), regular taxis and rideshares (~15–30 minutes depending on traffic, fares vary), and airport shuttles. Pros: extensive domestic and transatlantic connectivity and fast public-transit access to the city. Cons: can be busy and subject to weather or peak-hour congestion, and parking/ground transport costs can add up.
The cheapest one-way flight from Seattle to Boston departs on 08/14/2026, is operated by Southwest Airlines and costs $207
The cheapest roundtrip flight from Seattle to Boston departs on 08/27/2026, is operated by JetBlue Airways and costs $287
Fastest flight from Seattle to Boston takes
There are direct flights on this route 2 days a week: Mo and Fr
The distance between Seattle and Boston is 3999km (2479 miles). There are 13 direct flights from Seattle to Boston. The time difference between Seattle and Boston is 3h. Flights from Seattle begin at 7:00 AM. The latest flight from Seattle departs at 10:45 PM
The cheapest flight ticket from Seattle to Boston according to data for the last 48 hours costs $207
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: July.
The fastest flights from Seattle to Boston start from 5 hours 20 minutes in the air.
The following airlines operate direct flights on the route Seattle — Boston: Alaska Airlines
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
We couldn't find any special offers for flights from Seattle to Boston