On this page, you can find and purchase flights from Boston to Seattle. This 4,011 km route is served regularly, with approximately 79 flights per week.
Airlines such as JetBlue, Delta, and Alaska Airlines offer their services. Ticket prices depend on the season and demand, so we recommend using the low-price calendar and checking in advance how to get to Boston airport and how to get from Seattle airport to your final destination.
The table shows direct flights Boston → Seattle on the selected date. The flight takes approximately 6 h 21 min. Regular flights are operated by Alaska Airlines, Delta, Hawaiian Airlines and JetBlue. Departures from Logan International Airport airports, arrivals at Seattle-Tacoma International Airport and Paine Field.
For each flight, the following details are shown: departure time (local), arrival city and airport, flight number and airline, terminal or gate, and status. Click on a flight to open its details and go to ticket search. To view flights on a different day, change the date above the table.
Below is a calendar of the lowest flight ticket prices for Boston — Seattle by day. Pick a convenient date and instantly see the fare. The cheapest flights on this route start from AED 466 in F, and the most expensive are around AED 1,415 in r. If your travel dates are flexible, the calendar will help you find the best price for your preferred period. To view round-trip fares, switch to the "Round trip" tab above the calendar, select your departure date — and the right-hand calendar will highlight the lowest prices for return flights on each day.
Boston → Seattle, average one-way price
| Month | Average price | Level | Month | Average price | Level | Month | Average price | Level |
|---|---|---|---|---|---|---|---|---|
| Jan | AED 871 | low | May | AED 1,062 | medium | Sep | AED 936 | medium |
| Feb | AED 894 | low | Jun | AED 1,276 | high | Oct | AED 904 | low |
| Mar | AED 880 | low | Jul | AED 1,327 | high | Nov | AED 1,011 | medium |
| Apr | AED 1,011 | medium | Aug | AED 1,253 | high | Dec | AED 1,295 | high |
Some values are estimated based on seasonality.
July and August are the warmest months in Seattle, with temperatures reaching up to +25°C. The rainiest and coolest period is December and January, which see about 180–200 mm of precipitation and average daytime temperatures of +8°C.
The lowest flight prices are typically found in September, starting AED 466. Peak travel costs occur in June, when fares can reach AED 1,415.
September is the ideal month for a trip, offering a balance between comfortable temperatures and low prices. It is best to avoid the winter months due to the high probability of rain and chilly weather.
There are 8 airlines operating on this route, with Alaska Airlines, Delta, and JetBlue leading in flight frequency. Most flights are direct, providing a quick connection between the two cities. You can view the detailed schedule and available route options in the list below.
Flights Boston — Seattle depart from Logan International Airport and arrive at Seattle-Tacoma International Airport and Paine Field. Below are pages for the cities, countries, and airports on the route: airlines, schedules, and travel guides.
A direct flight between the cities, covering a distance of 4,011 km, usually takes between 5 hours 40 minutes and 6 hours, depending on the airline and weather conditions.
Regular flights on this route are operated by airlines such as Alaska Airlines, Delta, JetBlue, and American Airlines.
Most flights from Boston (BOS) land at Seattle-Tacoma International Airport (SEA).
Fares are constantly changing. To find the best price, use the price trend chart and book your tickets in advance, especially for travel during the summer period.
Where travelers fly most — pick a route and check prices
