$163 Cheap JetBlue Airways flights Los Angeles (LAX) to Seattle (SEA)

Apply the “Price (lowest to highest)” filter on Expedia to look for cheap JetBlue Airways round-trip flights from LAX to SEA. Affordable one-way tickets from $163 are also available.**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.

January is one of the most affordable months to fly to Seattle with JetBlue Airways. You could also find fantastic deals on return and one-way fares in February.

Begin your search one to three months ahead of your travel date to find cheaper fares on JetBlue Airways flights from Los Angeles Intl. Airport (LAX) to Seattle - Tacoma Intl. Airport (SEA). You can save 25% by booking your domestic flight 34 to 86 days in advance versus 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 your 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.

To see if there’s a direct journey from LAX to SEA with JetBlue Airways or any other carriers, use our “Nonstop” filter when browsing for tickets.

To find the earliest departures from LAX to SEA with JetBlue Airways, sort your results by “Morning” and “Early Morning.” Choosing an early flight usually means you’ll experience fewer cancellations.**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.

Take a JetBlue Airways flight from Los Angeles Intl. Airport (LAX) to Seattle, and you’ll most likely touch down at Seattle - Tacoma Intl. Airport (SEA). This is the airline’s primary hub in this destination.

Changes are often free within 24 hours of booking, but your airline may add a charge after that time. For further details about modifying your reservation, go to your “Trips,” select your flight and click on “Manage Booking.” If you’d like the freedom to update your itinerary without additional charges, apply the “Changes included” and “No cancel fee” filters when planning your next escape.