$139 Cheap Delta flights Denver (DEN) to Baltimore (BWI)

View $139 flight on Wed, Oct 8, 2025Opens in a new window

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$139 Cheap Delta flights Denver (DEN) to Baltimore (BWI)

Prices were available within the past 7 days and start at $139 for one-way flights and $568 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Delta
Fri, Aug 29 - Wed, Sep 3
DEN
Denver
BWI
Baltimore
$568 Roundtrip, just found
$568
Roundtrip
just found
Select Delta flight, departing Fri, Aug 29 from Denver to Baltimore, returning Wed, Sep 3, priced at $568 just found
Flights from Denver (DEN) to Baltimore (BWI)
Origin airport
Denver Intl.
Destination airport
Baltimore Washington Intl. Thurgood Marshall
Airlines serving
Alaska Airlines, American Airlines, Delta, Frontier Airlines, Southwest Airlines, United
Popular airline
Frontier Airlines
Distance
1487 mi
Average flight time
5 hours 24 mins

Frequently asked questions

How much is a Delta Air Lines flight from Denver Intl. Airport (DEN) to Baltimore Washington Intl. Thurgood Marshall Airport (BWI)?
You'll find cheap round-trip Delta Air Lines flights from $568 from DEN to BWI by organizing your results from "Price (lowest to highest)" on Expedia. Or search for bargains from $139 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.
What is the cheapest month to fly from DEN to BWI with Delta Air Lines?
Search for one-way or round-trip flights to Baltimore in January or February. You could find cheaper fares with Delta Air Lines during these off-peak travel months.
What is the cheapest time to book flights from Denver Intl. Airport (DEN) to Baltimore Washington Intl. Thurgood Marshall Airport (BWI) with Delta Air Lines?
For cheap Delta Air Lines fares from Denver Intl. Airport (DEN) to Baltimore Washington Intl. Thurgood Marshall Airport (BWI), 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 affect 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 booking your journey 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.
Does Delta Air Lines fly nonstop from Denver Intl. Airport (DEN) to Baltimore Washington Intl. Thurgood Marshall Airport (BWI)?
To see if there's a direct journey from DEN to BWI with Delta Air Lines or other airlines, check the "Nonstop" box when searching for flights.
What is the earliest Delta Air Lines flight from DEN to BWI?
Find Delta Air Lines's earliest flights from DEN to BWI by using the "Morning" and "Early Morning" filters. Not only will you arrive sooner, early departures are also 20% less likely to be canceled.**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 Delta Air Lines fly into in Baltimore?
Baltimore Washington Intl. Thurgood Marshall Airport (BWI) is the primary Baltimore gateway for Delta Air Lines flights from Denver Intl. Airport (DEN).
Why fly with Delta Air Lines from DEN to BWI?
Offering an excellent in-flight experience and a rewarding loyalty program, Delta Air Lines is a favorite for many travelers flying from DEN to BWI. What's more, 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 can go toward future trips.*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 Delta Air Lines flight from Denver Intl. Airport (DEN) to Baltimore Washington Intl. Thurgood Marshall Airport (BWI)?
It's usually possible to change or cancel your flight, although additional fees may apply if you made your booking over 24 hours ago. Want to keep your options open? Apply the "Changes included" or "No cancel fee" filter to find flights that won't penalize you if you have to alter your plans. To modify your booking, go to "Trips," select your flight and click on "Manage Booking" for more details.

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*Available to One Key members.