$104 Cheap Flights from Baltimore (BWI) to Denver (DEN)

View $104 flight on Sat, Aug 16, 2025Opens in a new window

Popular airlines from Baltimore Washington Intl. Airport (BWI) to Denver Intl. Airport (DEN)

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Cheap Flights from Baltimore to Denver (BWI-DEN)

Prices were available within the past 7 days and start at $104 for one-way flights and $169 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

American Airlines
Wed, Nov 12 - Sat, Nov 15
BWI
Baltimore
DEN
Denver
$169 Roundtrip, found 2 days ago
$169
Roundtrip
found 2 days ago
Select American Airlines flight, departing Wed, Nov 12 from Baltimore to Denver, returning Sat, Nov 15, priced at $169 found 2 days ago
United
Sat, Nov 15 - Tue, Nov 18
BWI
Baltimore
DEN
Denver
$171 Roundtrip, found 2 days ago
$171
Roundtrip
found 2 days ago
Select United flight, departing Sat, Nov 15 from Baltimore to Denver, returning Tue, Nov 18, priced at $171 found 2 days ago
Southwest Airlines
Sat, Aug 30 - Sun, Sep 14
BWI
Baltimore
DEN
Denver
$175 Roundtrip, found 2 days ago
$175
Roundtrip
found 2 days ago
Select Southwest Airlines flight, departing Sat, Aug 30 from Baltimore to Denver, returning Sun, Sep 14, priced at $175 found 2 days ago
Frontier Airlines
Fri, Aug 8 - Fri, Aug 15
BWI
Baltimore
DEN
Denver
$178 Roundtrip, found 13 hours ago
$178
Roundtrip
found 13 hours ago
Select Frontier Airlines flight, departing Fri, Aug 8 from Baltimore to Denver, returning Fri, Aug 15, priced at $178 found 13 hours ago
Frontier Airlines
Fri, Aug 15 - Thu, Aug 21
BWI
Baltimore
DEN
Denver
$185 Roundtrip, just found
$185
Roundtrip
just found
Select Frontier Airlines flight, departing Fri, Aug 15 from Baltimore to Denver, returning Thu, Aug 21, priced at $185 just found
Frontier Airlines
Sat, Aug 16 - Fri, Aug 22
BWI
Baltimore
DEN
Denver
$187 Roundtrip, found 3 hours ago
$187
Roundtrip
found 3 hours ago
Select Frontier Airlines flight, departing Sat, Aug 16 from Baltimore to Denver, returning Fri, Aug 22, priced at $187 found 3 hours ago
Frontier Airlines
Mon, Aug 25 - Sun, Aug 31
BWI
Baltimore
DEN
Denver
$189 Roundtrip, found 16 hours ago
$189
Roundtrip
found 16 hours ago
Select Frontier Airlines flight, departing Mon, Aug 25 from Baltimore to Denver, returning Sun, Aug 31, priced at $189 found 16 hours ago
Frontier Airlines
Mon, Aug 11 - Mon, Aug 18
BWI
Baltimore
DEN
Denver
$193 Roundtrip, just found
$193
Roundtrip
just found
Select Frontier Airlines flight, departing Mon, Aug 11 from Baltimore to Denver, returning Mon, Aug 18, priced at $193 just found
Frontier Airlines
Wed, Jul 30 - Wed, Aug 6
BWI
Baltimore
DEN
Denver
$194 Roundtrip, found 6 hours ago
$194
Roundtrip
found 6 hours ago
Select Frontier Airlines flight, departing Wed, Jul 30 from Baltimore to Denver, returning Wed, Aug 6, priced at $194 found 6 hours ago
Delta
Thu, Oct 2 - Fri, Oct 3
BWI
Baltimore
DEN
Denver
$231 Roundtrip, found 3 hours ago
$231
Roundtrip
found 3 hours ago
Select Delta flight, departing Thu, Oct 2 from Baltimore to Denver, returning Fri, Oct 3, priced at $231 found 3 hours ago

Find the cheapest month to fly from Baltimore (BWI) to Denver (DEN)

September is typically the cheapest month to fly

From $78 - $179 per traveler.

Graph displaying average flight prices per month

Alternative airports near Denver

Prices were available within the past 7 days. Prices and availability are subject to change.

Select flight to Denver Intl. DEN. Cheapest option available. Average driving time to city center is 32 minutes. Flights from $325
DEN
Denver Intl.
Cheapest
Average driving time to city center32 min
Flights from $325
Flights from Baltimore (BWI) to Denver (DEN)
Origin airport
Baltimore Washington Intl. Thurgood Marshall
Destination airport
Denver Intl.
Airlines serving
Alaska Airlines, American Airlines, Delta, Frontier Airlines, Southwest Airlines, Sun Country Airlines, United
Roundtrip price
$168
Distance
1487 mi
Average flight time
1 hour 57 mins

Baltimore to Denver Flights

The cheapest times to fly from Baltimore to Denver

On average, Thursday can be the cheapest time to fly, according to data from the Airlines Reporting Corporation (ARC), one of the world's biggest databases for global airline sales. The data reveals that you could save up to 16% by flying on a Thursday—the cheapest day to travel on average—instead of a Sunday—the most expensive. Some of the most affordable flights from Baltimore to Denver are during the month of November. You can find some of the cheapest flights from Baltimore to Denver with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from Baltimore to Denver

Sunday is one of the best days to book for cheap flights from Baltimore to Denver: Tickets reserved on a Sunday cost between 6% and 13% less than those reserved on a Friday, according to ARC data. The data also suggests booking early can also lead to cheaper airfares. You could save 24% by buying your tickets for domestic flights at least a month in advance and 10% by booking international flights 2 months in advance.

 

How to find cheap round-trip tickets from Baltimore to Denver

Being flexible with your dates and using Expedia's Price Drop Protection and Price Tracking features are some of the best ways of finding a cheap ticket from Baltimore to Denver in 2025. You can also book with separate airlines for your outbound and return journeys, from $104 one-way. Expedia also offers Price Drop Protection, so if the cost of your airfare goes down after booking, you'll receive a credit for the difference*. This is available for a small fee, and is free to One Key Gold and Platinum tier members.

 

Expedia's Price Tracking feature means you can stay on top of airfares without manually checking every day. It sends you automated price alerts for cheap Baltimore to Denver flights and uses historical data to indicate when the best time to book is. Download Expedia's free app to activate this handy tool in a few easy taps.

 

You could also save big by booking one of Expedia's vacation packages. Bundling together your Baltimore to Denver airfare with your accommodations and car rental is often cheaper than booking everything separately. There’s also One Key, Expedia's generous rewards program. Join for free and you could earn One Key cash on most bookings to save on future adventures.

 

*Terms apply.

 

Disclaimer: ARC The statistics are based on average round-trip ticket prices between January and August 2023. The percentages you see are averages.

 

Frequently asked questions

How much does a flight from Baltimore Washington Intl. Thurgood Marshall Airport (BWI) to Denver Intl. Airport (DEN) cost?
Cheap round-trip fares from Baltimore Washington Intl. Thurgood Marshall Airport (BWI) to Denver Intl. Airport (DEN) start from $149. This information is based on the cheapest price found on Expedia for this return journey departing within the next three months. This airfare is for a Southwest Airlines flight leaving BWI on August 5 2025 and touching down at DEN. The price was last updated on July 11 2025 and has not changed since.
What is the cheapest month to fly from BWI to DEN?
The cheapest flights from BWI to DEN are usually during off-peak season, when demand is lower. To save money, avoid flying during public holidays, school breaks and major local events.
Which airlines fly direct from Baltimore Washington Intl. Thurgood Marshall Airport (BWI) to Denver Intl. Airport (DEN)?
Jump on a nonstop flight with Southwest Airlines and head straight from Baltimore Washington Intl. Thurgood Marshall Airport (BWI) to Denver Intl. Airport (DEN).
What is the cheapest airline that flies from BWI to DEN?
With prices starting from $75 for a one-way flight from BWI to DEN, Southwest Airlines is currently the cheapest airline flying this route. This fare is based on the lowest price found on Expedia departing within the next three months. The flight takes off from BWI on September 30 2025. Prices were last updated on July 11 2025 and have not changed since.
How many flights per day from Baltimore Washington Intl. Thurgood Marshall Airport (BWI) to Denver Intl. Airport (DEN)?
With, on average, 6 nonstop flights departing from Baltimore Washington Intl. Thurgood Marshall Airport (BWI) to Denver Intl. Airport (DEN) every day, you'll be taking off on vacation soon enough.
What are the most popular departure times for flights from Baltimore Washington Intl. Thurgood Marshall Airport (BWI) to Denver Intl. Airport (DEN)?
More travelers fly between BWI and DEN at 4 PM than at any other point in the day. Looking to skip the crowds? Pick a flight outside the busiest times and you're likely to save on your ticket as well.
What day of the week has the most flights from BWI to DEN?
If you jet off on a Friday, you'll get the biggest range of choices for flights from Baltimore Washington Intl. Thurgood Marshall Airport (BWI) to Denver Intl. Airport (DEN).
What is the earliest flight from Baltimore Washington Intl. Thurgood Marshall Airport (BWI) to Denver Intl. Airport (DEN)?
The earliest flight taking off from Baltimore Washington Intl. Thurgood Marshall Airport (BWI) is at around 6:20AM UTC-5. Board this plane and you'll reach Denver Intl. Airport (DEN) at approximately 8:45AM UTC-7. The overall travel time is 4h 25m.
How long does it take to fly from Baltimore Washington Intl. Thurgood Marshall Airport (BWI) to Denver Intl. Airport (DEN)?
It takes about 4 hours and 14 minutes to travel the 1,500 mi from BWI to DEN.
What airline has the least delays from BWI to DEN?
Frontier Airlines has the strongest track record for on-time direct flights from Baltimore Washington Intl. Thurgood Marshall Airport (BWI) to Denver Intl. Airport (DEN), with an on-time rating of 92%. Use the Expedia App to see your journey status before you head off and get immediate updates about any trip changes.
What is the best time to fly from Baltimore Washington Intl. Thurgood Marshall Airport (BWI) to Denver Intl. Airport (DEN)?
To reach Denver Intl. Airport (DEN) on schedule, opt for a flight that leaves from Baltimore Washington Intl. Thurgood Marshall Airport (BWI) before 3 PM. The chance of cancellations is 22% higher, on average, for departures after this hour.**Most reliable time of the day and month to travel recommendation is based on January through August 2024 flight status data sourced from OAG's global flight data platform.
What airports do you fly into for Denver from Baltimore Washington Intl. Thurgood Marshall Airport (BWI)?
Browse your flight options from Baltimore Washington Intl. Thurgood Marshall Airport (BWI) to Denver Intl. Airport (DEN). This is the only airport in Denver you can touch down at if you're taking a direct flight.
Is it cheaper to buy a plane ticket from Baltimore Washington Intl. Thurgood Marshall Airport (BWI) to Denver Intl. Airport (DEN) last-minute?
Holding off until right before your break to book your flight from BWI to DEN often results in higher prices. While you might find some last-minute offers, they aren't always guaranteed. Be flexible with your travel plans for a better chance of scoring a bargain.
Is it cheaper to book a BWI to DEN flight and hotel package?
Compared with arranging flights and hotels separately, booking a BWI to DEN flight and hotel package with Expedia could result in significant savings. Better still, having everything in one easy place will take the hassle out of travel planning. Just pick your flights and select from our wide range of stays, then personalize your trip with other add-ons like activities, tours and car rentals.
Can I cancel or change the date of my flight from Baltimore Washington Intl. Thurgood Marshall Airport (BWI) to Denver Intl. Airport (DEN)?
If you booked your BWI to DEN flight within the last 24 hours, you may be able to modify or cancel it without fees. Depending on the airline and the type of ticket you have, additional charges may apply for changes beyond that time. Airline policies and contact information can be found in your itinerary or confirmation email. Or, go to our Customer Service portal if you'd like more information.

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