$124 Cheap Delta flights Baltimore (BWI) to Colorado Springs (COS)

Finding cheap one-way Delta Air Lines flights from BWI to COS from $124 on Expedia is easy --- just filter by "Price (lowest to highest)." Alternatively, check out our affordable round-trip fares from $237 for your next getaway.**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 affordable Delta Air Lines flights from Baltimore Washington Intl. Thurgood Marshall Airport (BWI) to Colorado Springs Airport (COS) one to three months ahead of 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. Regardless of fare type and itinerary, the best day of the week to book a domestic flight is usually Sunday and the most expensive day tends to be Monday. Passengers who book on a Sunday can save 6% on average compared to those who book 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.

To find the earliest departures from BWI to COS with Delta Air Lines, sort your results by "Early Morning" and "Morning." Booking an early flight usually means you'll experience 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.

With an excellent in-flight experience and a rewarding loyalty program, Delta Air Lines is the leading choice for many travelers heading from BWI to COS. Also, if you're a Delta SkyMiles and One Key™ member booking with Expedia, you could earn OneKeyCash™* on eligible flights on top of your airline miles, which you can put toward future travel.*OneKeyCash™ disclaimer - OneKeyCash™ is not redeemable for cash and can only be used on Expedia, Hotels.com and Vrbo.