$122 Cheap Spirit Airlines flights Dallas (DFW) to Seattle (SEA)

Grab budget-friendly return Spirit Airlines flights from DFW to SEA by sorting your results from "Price (lowest to highest)" on Expedia. Or search for bargains from $122 for a one-way trip.**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 Dallas-Fort Worth Intl. Airport (DFW) 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 impact what you pay. Sunday is typically the most affordable, while Monday is often the most expensive for domestic flights. You can save 6% on average by choosing to book 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.

Sort your results by "Early Morning" and "Morning" to find the earliest flights from DFW to SEA. Leaving 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.

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