$157 Cheap JetBlue Airways flights Seattle (SEA) to Buffalo (BUF)

Use the "Price (lowest to highest)" filter on Expedia to search for cheap JetBlue Airways round-trip flights from $265 from SEA to BUF. Affordable one-way fares from $157 are available as well.**These prices were available on Expedia within the past 7 days, for flights departing within the next year. Prices and availability are subject to change. Additional terms apply.

Start searching one to three months ahead of your travel date to score cheaper fares on JetBlue Airways flights from Seattle - Tacoma Intl. Airport (SEA) to Buffalo Niagara Intl. Airport (BUF). You can save 25% by booking your domestic flight 34 to 86 days in advance compared to last-minute reservations made 6 to 12 days out. You could also reduce costs by buying your fare on a Sunday, as it's 6% cheaper on average than a Monday, the most expensive day to book.* Get the timing right, and you can enjoy significant savings on domestic trips.*Ideal booking window recommendation is based on average round-trip ticket prices for January through November for 2024. Best day of the week to book recommendation is based on average round-trip ticket prices for January through October 2024. All data sourced from ARC's global airline sales database.

Sort your results by "Early Morning" and "Morning" to see the earliest flights from SEA to BUF. Taking off early means flight cancellations are less likely.**Most reliable time of the day recommendation is based on January through August 2024 flight status data sourced from OAG's global flight data platform.