$82 Cheap Spirit Airlines flights Sacramento (SMF) to Seattle (SEA)

Make use of the "Price (lowest to highest)" filter on Expedia to look for cheap Spirit Airlines return flights from $160 from SMF to SEA. Affordable one-way options from $82 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.

For cheap Spirit Airlines fares from Sacramento Intl. Airport (SMF) to Seattle - Tacoma Intl. Airport (SEA), start searching one to three months before your intended departure. Reserving 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 influence the overall cost. Sunday is typically the cheapest, while Monday is often the most expensive for domestic flights. You can save 6% on average by booking your trip 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.

To find the earliest departures from SMF to SEA with Spirit Airlines, filter your results by "Morning" and "Early Morning." Choosing an early flight generally 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.

Fly from SMF to SEA with Spirit Airlines and you can look forward to a range of benefits including a rewarding loyalty program. When you book through Expedia as a Free Spirit and One Key™ member, you may also earn OneKeyCash™* to use on select future travel purchases.*OneKeyCash™ disclaimer - OneKeyCash™ is not redeemable for cash and can only be used on Expedia, Hotels.com and Vrbo.