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Cheap Flights from Seattle to Boston $204.35

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Cheapest Flights from Seattle to Boston (SEA to BOS)

Prices found within past 7 days. Prices and availability subject to change. Additional terms may apply.

Interesting Facts About Flights from Seattle to Boston (SEA to BOS)

Question : How long do most people stay in Boston when they fly in from Seattle?
Answer : Over the next two months, travelers from SEA to BOS are planning on staying for eight days on average.

Question : From Seattle to Boston, which day is going to have the most flight times?
Answer : Wednesday has the most flight times for Seattle to Boston with 71.

Question : If travelling from SEA to BOS, how long can you expect to be in the air?
Answer : This flight takes 5 hours and 18 minutes on average.

Question : How often is the price changing when booking a trip from Seattle-Tacoma International Airport (SEA) to Logan International Airport (BOS)?
Answer : Prices for SEA to BOS do change a lot more than the majority of routes. Remember, the sooner you book, the more you're able to save.

Question : Will you do what it takes to get the absolute lowest-cost flight?
Answer : The best day to fly on a budget this month is Wednesday. Being flexible with your travel days garners you even more savings during your booking.

Question : What are the chances this flight will be on schedule?
Answer : Flights from SEA to BOS are on time 76% of the time, ranking in the top half of all routes worldwide. When there is a delay, it averages between 20-30 minutes.

Question : Who struggles with getting their passengers to Logan International Airport (BOS) on time?
Answer : Flights on JetBlue Airways to Boston from Seattle during the last month were delayed 30% of the time. If you're on JetBlue Airways, be sure to sign up for the delay notifications to stay up to date with your flight's status.