Compare airlines, prices, and flight durations for your trip
A direct flight is the easiest way to get to your destination. The following airlines operate non-stop flights from Seattle to Boston:
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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.
The cost of a one-way flight from Seattle to Boston ranges from $108 (March 2026) to $144 (July 2026). On average, the ticket price is about $132–$287.
Unable to find information about the schedule of direct flights from
Seattle — Boston
03/29/2026
Departure
Direct flight
AS306
starting at $307
Seattle — Boston
04/23/2026
Departure
Direct flight
AS306
starting at $275
Seattle — Boston
06/27/2026
Departure
Direct flight
B6198
starting at $416
starting at $275
starting at $416
starting at $164
starting at $166
More than 4 airlines operate flights from Seattle to Boston, including Alaska Airlines, JetBlue Airways, Southwest Airlines, and United Airlines. This is a popular route, so passengers can choose tickets based on budget and preferences. Ticket prices start from $164, 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 $164
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: March, June, July.
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, JetBlue Airways
The cheapest one-way flight from Seattle to Boston departs on 06/27/2026, is operated by Southwest Airlines and costs $164
The cheapest roundtrip flight from Seattle to Boston departs on 04/28/2026, is operated by American Airlines and costs $266
Fastest flight from Seattle to Boston takes 7h 40m
There are direct flights on this route 3 days a week: Su, Th, and Sa
The distance between Seattle and Boston is 3999km (2479 miles). There are 52 direct flights from Seattle to Boston. The time difference between Seattle and Boston is 3h. Flights from Seattle begin at 7:40 AM. The latest flight from Seattle departs at 10:25 PM
Find the best fares and schedules for Seattle to Boston flights in seconds — we search over 700 airlines, 50+ agencies and 5+ top booking systems to uncover the cheapest options, ideal times and flexible conditions. Compare nonstop and connecting routes, lock in the fare that suits your plans, and book with confidence knowing you’ve seen the widest market selection available.
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.
Fly nonstop from Seattle to Boston for the fastest, most convenient way to cross the country — you’ll save travel time and skip the hassle of connections. Direct flights let you relax or work uninterrupted, though connecting options can sometimes be cheaper if you’re flexible with schedule or budget.
We couldn't find any special offers for flights from Seattle to Boston
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.