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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 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.
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
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.
More than 4 airlines operate flights from Seattle to Boston, including Alaska Airlines, United Airlines, JetBlue Airways, and American Airlines. This is a popular route, so passengers can choose tickets based on budget and preferences. Ticket prices start from $146, 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.
starting at $154
starting at $146
starting at $148
starting at $161
Seattle — Boston
05/18/2026
Departure
Direct flight
AS460
starting at $182
Seattle — Boston
05/27/2026
Departure
Direct flight
UA688
starting at $238
Seattle — Boston
08/12/2026
Departure
Direct flight
B6198
starting at $283
Seattle — Boston
08/13/2026
Departure
Direct flight
B6198
starting at $210
Seattle — Boston
06/09/2026
Departure
Direct flight
AS460
starting at $154
Seattle — Boston
06/10/2026
Departure
Direct flight
B6398
starting at $148
Seattle — Boston
07/07/2026
Departure
Direct flight
AS219
starting at $194
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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.
The cheapest flight ticket from Seattle to Boston according to data for the last 48 hours costs $146
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: May.
The fastest flights from Seattle to Boston start from 5 hours 22 minutes in the air.
The following airlines operate direct flights on the route Seattle — Boston: Alaska Airlines, United Airlines, JetBlue Airways
The cheapest one-way flight from Seattle to Boston departs on 05/28/2026, is operated by United Airlines and costs $146
The cheapest roundtrip flight from Seattle to Boston departs on 09/02/2026, is operated by JetHunter and costs $310
Fastest flight from Seattle to Boston takes 5h 22m
There are direct flights on this route 4 days a week: Mo, Tu, We, and Th
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
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.
We couldn't find any special offers for flights from Seattle to Boston