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BOS (Boston) to SEA (Seattle) Flights $226.4

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Cheap BOS to SEA Flights

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

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

Question : How many days should you spend in Seattle?
Answer : Passengers from BOS to SEA stay 10 days on average.

Question : Is there a preferred airline for getting to Seattle-Tacoma International Airport (SEA) on schedule?
Answer : Alaska Airlines holds the best record for flights from BOS to SEA with an 86% on-time rate. Note that if they do have a delay, it usually lasts less than half an hour.

Question : If traveling from BOS to SEA, how long can you expect to be in the air?
Answer : Flying from BOS to SEA typically takes about six hours and 31 minutes.

Question : Is the price you found a good deal?
Answer : Prices for this trip tend to change more than other flights in the United States. They can vary from $289 to $1,307. However, the sooner you book, the better price you tend to get.

Question : Is price more important than specific travel days for you?
Answer : The cheapest day to fly in July is Tuesday. Having flexibility in your travel plans means you can save more, so be sure to plan ahead when possible.

Question : How often are flights late from Logan International Airport (BOS) to Seattle-Tacoma International Airport (SEA)?
Answer : Passengers are currently getting to their destination on schedule 82% of the time, which ranks in the 66th percentile worldwide. If a flight is delayed, though, expect an average of less than half an hour added to your flight time.

Question : In the next four weeks, what day should you book your trip?
Answer : Since low prices are preferred, look at Jul 18th. As of Jun 19th, it's showing the cheapest ticket sales at $290. That is 45% below the average price for this route, so you can spend that extra cash on a fun experience in Seattle.