Unable to find information about the schedule of direct flights from
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Fly from Boston to Seattle with confidence — our search scans over 700 airlines, more than 50 agencies, and 5+ top booking systems to uncover the best prices, schedules, and travel conditions for your trip. Compare nonstop and connecting options in seconds and lock in the itinerary that fits your timing and budget.
The cost of a one-way flight from Boston to Seattle ranges from $90 (March 2026) to $142 (May 2026). On average, the ticket price is about $110–$113.
A direct flight is the easiest way to get to your destination. The following airlines operate non-stop flights from Boston to Seattle:
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Answers to questions about the route that travelers are most interested in.
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Unable to find information about the schedule of direct flights from
Boston Logan International (BOS) is the city’s main international gateway and a full-service hub for legacy carriers while also handling many low-cost flights, making it a common choice for both business and leisure travelers. Located about 3–5 miles from downtown Boston, Logan is reachable by the MBTA Blue Line and Silver Line buses in roughly 20–30 minutes (fares typically under $5), as well as by taxis and rideshares that can take 10–25 minutes depending on traffic and cost more. Pros: frequent flights, international connections and on-site amenities; cons: can be busy at peak times and ground transport may be affected by congestion or higher fees for some services.
Seattle-Tacoma International Airport (SEA) is the primary international gateway for the Seattle region, functioning as a major hub for full-service carriers and offering a wide range of domestic and transpacific routes. Carriers typically include legacy airlines and several international operators, while low-cost carriers also serve many domestic routes. SEA sits about 14 miles (22 km) south of downtown Seattle; travel times are commonly 20–35 minutes by Link light rail or 20–45 minutes by taxi/rideshare depending on traffic. Public transit fares tend to be modest, with rideshares and taxis costing more. Pros: frequent flights, good amenities and direct connections; cons: can be busy during peak times and security lines may be long.
Fly nonstop from Boston to Seattle for the fastest, most convenient way to cross the country—perfect when you value time and comfort. While connecting options can sometimes be cheaper, a direct flight gets you to the Pacific Northwest sooner and with fewer hassles, making it ideal for business trips or weekend escapes.
Boston — Seattle
03/20/2026
Departure
Direct flight
AS459
starting at $299
Boston — Seattle
03/28/2026
Departure
Direct flight
HA4823
starting at $251
Boston — Seattle
04/04/2026
Departure
Direct flight
AS459
starting at $339
Boston — Seattle
04/26/2026
Departure
Direct flight
AS306
starting at $377
starting at $235
starting at $251
starting at $163
starting at $175
More than 4 airlines operate flights from Boston to Seattle, including Alaska Airlines, Hawaiian Airlines, Spirit Airlines, and American Airlines. This is a popular route, so passengers can choose tickets based on budget and preferences. Ticket prices start from $163, 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 Boston to Seattle according to data for the last 48 hours costs $163
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: March, April, June.
The fastest flights from Boston to Seattle start from 6 hours 24 minutes in the air.
The following airlines operate direct flights on the route Boston — Seattle: Alaska Airlines, Hawaiian Airlines
The cheapest one-way flight from Boston to Seattle departs on 04/27/2026, is operated by Spirit Airlines and costs $163
The cheapest roundtrip flight from Boston to Seattle departs on 04/15/2026, is operated by American Airlines and costs $262
Fastest flight from Boston to Seattle takes 6h 24m
There are direct flights on this route 3 days a week: Su, Fr, and Sa
The distance between Boston and Seattle is 3999km (2479 miles). There are 50 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 6:45 PM
We couldn't find any special offers for flights from Boston to Seattle