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Cheap Flights from Seattle to Boston $185.67

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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 : If having the most departure times is important to you, are there particular days that offer more options than others?
Answer : Sunday and Monday both have the most flight times for Seattle to Boston with 20.

Question : If your plans are flexible, have you considered changing your departure day?
Answer : Wednesday is your lowest-cost day to fly in February. Flexibility is paramount when booking travel plans in order to keep costs down.

Question : In terms of overall promptness, how does SEA to BOS rank compared to the rest of the world?
Answer : SEA to BOS currently scores 3.2 out of a possible 5 stars in promptness. This score combines both the number of delayed flights and total delayed minutes. With 3.2 stars, you should plan on being flexible with your arrival plans.

Question : Interested in traveling in the next 30 days and want to get the lowest fare?
Answer : As of January 16th, the cheapest day to fly from Seattle to Boston is January 25th. Tickets have been sold for 16% below the average price for this route.

Question : How many different departure times are there each day?
Answer : On average, you can expect to see three available departure times for this route. Compared to the average route with 31 flight times, you won't have as many choices as other routes.

Question : Which airline is struggling to get to Boston on time?
Answer : JetBlue Airways flights from SEA to BOS are late 26% of the time. If you should choose this airline, be sure to track the flight status to stay on top of the departure time.

Question : How many days should you spend in Boston if you're flying in from Seattle?
Answer : Of course you're not most people, but if you were, you'd stay roughly six days.