Cheap Spirit Airlines flights Baltimore (BWI) to Denver (DEN)

You can find cheap return Spirit Airlines flights from BWI to DEN by sorting your results from “Price (lowest to highest)” on Expedia. Or look for bargains 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.

Spirit Airlines flights to Denver are typically cheaper in the quieter months of January and November. Whether you need a round-trip or one-way ticket, you could land a better deal then.

Look for affordable Spirit Airlines flights from Baltimore Washington Intl. Thurgood Marshall Airport (BWI) to Denver Intl. Airport (DEN) one to three months prior to your departure. Travelers who book domestic flights 34 to 86 days in advance can save 25% compared to those who book just 6 to 12 days ahead. No matter the fare type and itinerary, the best day to book a domestic flight is usually Sunday and the most expensive is typically Monday. Passengers who book on a Sunday can save 6% on average compared to those who book their travel on a Monday.**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.

Enter your dates, press search and select the “Nonstop” filter on Expedia to find any direct flights from BWI to DEN with Spirit Airlines or another airline.

Filter your results by “Early Morning” and “Morning” to browse the earliest flights from BWI to DEN. 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.

Catch a Spirit Airlines flight from Baltimore Washington Intl. Thurgood Marshall Airport (BWI) to Denver, and you’ll most likely land at Denver Intl. Airport (DEN). This is the airline’s primary hub here.

Offering a rewarding loyalty program, Spirit Airlines is a popular choice for many travelers heading from BWI to DEN. Plus, if you’re a Free Spirit and One Key™ member booking through Expedia, you could earn OneKeyCash™* on eligible flights on top of your airline miles.*OneKeyCash™ disclaimer - OneKeyCash™ is not redeemable for cash and can only be used on Expedia, Hotels.com and Vrbo.

Depending on the ticket type you purchased, a fee is typically charged if you change or cancel your flight more than 24 hours after it’s confirmed. To secure flexible fares, select our “No cancel fee” or “Changes included” filter while looking for flights. For additional information on canceling or changing your reservation, head to “Trips,” select your flight and tick “Manage Booking.”