Cheap Spirit Airlines flights Baltimore (BWI) to Seattle (SEA)

  • Plan, book, fly with confidence

  • trending down icon

    Be in the know

    Get alerts if flight prices drop or rise*
  • bex rewards loyalty icon

    Book smarter

    Save up to 30% on select hotels after you book a flight*
  • one key icon

    Earn twice

    Earn your airline miles on top of our OneKeyCash
Flights from Baltimore (BWI) to Seattle (SEA)
Origin airport
Baltimore Washington Intl. Thurgood Marshall
Destination airport
Seattle - Tacoma Intl.
Airlines serving
Alaska Airlines, American Airlines, Delta, Frontier Airlines, Hawaiian Airlines, Southwest Airlines, Sun Country Airlines, United
Popular airline
Alaska Airlines
Distance
2328 mi
Average flight time
3 hours 44 mins

Frequently asked questions

How much is a Spirit Airlines flight from Baltimore Washington Intl. Thurgood Marshall Airport (BWI) to Seattle - Tacoma Intl. Airport (SEA)?
You can discover cheap return Spirit Airlines flights from BWI to SEA by sorting your results from "Price (lowest to highest)" on Expedia. Or look for bargains for a one-way journey.**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.
What is the cheapest month to fly from BWI to SEA with Spirit Airlines?
January is one of the cheapest months to travel to Seattle with Spirit Airlines. You could also find great deals on one-way and round-trip fares in February.
What is the cheapest time to book flights from Baltimore Washington Intl. Thurgood Marshall Airport (BWI) to Seattle - Tacoma Intl. Airport (SEA) with Spirit Airlines?
Start searching one to three months ahead of your departure date to find cheap fares on Spirit Airlines flights from Baltimore Washington Intl. Thurgood Marshall Airport (BWI) to Seattle - Tacoma Intl. Airport (SEA). 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 cut costs by buying your fare on a Sunday, as it's 6% cheaper on average than a Monday, the most expensive day to book.* Time it well, 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.
Does Spirit Airlines fly nonstop from Baltimore Washington Intl. Thurgood Marshall Airport (BWI) to Seattle - Tacoma Intl. Airport (SEA)?
To figure out if there's a direct journey from BWI to SEA with Spirit Airlines or another airline, check the "Nonstop" filter when looking for flights.
What is the earliest Spirit Airlines flight from BWI to SEA?
Browse Spirit Airlines's earliest flights from BWI to SEA by selecting the "Morning" and "Early Morning" filters. Not only will you arrive sooner, early departures also experience 20% 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.
What airports does Spirit Airlines fly into in Seattle?
Spirit Airlines flights from Baltimore Washington Intl. Thurgood Marshall Airport (BWI) to Seattle land at Seattle - Tacoma Intl. Airport (SEA). This is the main gateway to this destination.
Why fly with Spirit Airlines from BWI to SEA?
Offering a rewarding loyalty program, Spirit Airlines is a popular choice for many passengers heading from BWI to SEA. Plus, as a Free Spirit and One Key™ member booking through Expedia, you can earn OneKeyCash™* on eligible flights along with your airline miles.*OneKeyCash™ disclaimer - OneKeyCash™ is not redeemable for cash and can only be used on Expedia, Hotels.com and Vrbo.
Can I change or cancel my Spirit Airlines flight from Baltimore Washington Intl. Thurgood Marshall Airport (BWI) to Seattle - Tacoma Intl. Airport (SEA)?
You can usually cancel or modify your flight, although there may be additional charges if you booked more than 24 hours ago. Prefer to keep your options open? Apply the "Changes included" or "No cancel fee" filter to find flights that won't charge you extra if you need to revise your plans. To make modifications, go to "Trips," select your flight and click on "Manage Booking" for further information.

Explore a world of travel with Expedia

*Available to One Key members.