$141 Cheap JetBlue Airways flights Portland (PWM) to Seattle (SEA)

Set the “Price (lowest to highest)” filter on Expedia to search for cheap JetBlue Airways return flights from $261 from PWM to SEA. Affordable one-way fares from $141 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.

Look for one-way or round-trip flights to Seattle in January or February. You could find lower fares with JetBlue Airways during these off-peak months.

For cheap JetBlue Airways fares from Portland Intl. Jetport Airport (PWM) to Seattle - Tacoma Intl. Airport (SEA), start searching one to three months before your intended departure. Securing domestic flights 34 to 86 days in advance could save you 25% compared to booking just 6 to 12 days ahead. The day you book can also affect the price you pay. Sunday is typically the cheapest, while Monday is often the most expensive for domestic flights. You can save 6% on average by booking your journey on a Sunday.**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.

Fill in your dates, press search and check “Nonstop” on Expedia to find any direct flights from PWM to SEA with JetBlue Airways or other airlines.

Filter your results by “Early Morning” and “Morning” to see the earliest flights from PWM to SEA. Leaving early means you’re less likely to experience 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.

Seattle - Tacoma Intl. Airport (SEA) is the primary Seattle hub for JetBlue Airways flights from Portland Intl. Jetport Airport (PWM).

Depending on the type of fare you purchased, a fee typically applies if you change or cancel your flight more than 24 hours after it’s confirmed. To secure flexible fares, select our “Changes included” and “No cancel fee” boxes when you search for flights. To learn more about modifying or canceling your reservation, go to “Trips,” select your flight and tick “Manage Booking.”