$80 Cheap Flights from Baltimore (BWI) to Denver (DEN)

View $80 flight on Fri, May 15, 2026Opens 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 $80 for one-way flights and $160 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Frontier Airlines
Thu, May 7 - Sun, May 10
BWI
Baltimore
DEN
Denver
$160 Roundtrip, just found
$160
Roundtrip
just found
Select Frontier Airlines flight, departing Thu, May 7 from Baltimore to Denver, returning Sun, May 10, priced at $160 just found
Frontier Airlines
Fri, May 8 - Fri, May 15
BWI
Baltimore
DEN
Denver
$165 Roundtrip, just found
$165
Roundtrip
just found
Select Frontier Airlines flight, departing Fri, May 8 from Baltimore to Denver, returning Fri, May 15, priced at $165 just found
Frontier Airlines
Mon, May 18 - Tue, May 26
BWI
Baltimore
DEN
Denver
$166 Roundtrip, just found
$166
Roundtrip
just found
Select Frontier Airlines flight, departing Mon, May 18 from Baltimore to Denver, returning Tue, May 26, priced at $166 just found
Frontier Airlines
Fri, May 8 - Fri, May 15
BWI
Baltimore
DEN
Denver
$170 Roundtrip, just found
$170
Roundtrip
just found
Select Frontier Airlines flight, departing Fri, May 8 from Baltimore to Denver, returning Fri, May 15, priced at $170 just found
Frontier Airlines
Fri, May 15 - Fri, May 22
BWI
Baltimore
DEN
Denver
$171 Roundtrip, just found
$171
Roundtrip
just found
Select Frontier Airlines flight, departing Fri, May 15 from Baltimore to Denver, returning Fri, May 22, priced at $171 just found
Frontier Airlines
Sat, May 9 - Sat, May 16
BWI
Baltimore
DEN
Denver
$177 Roundtrip, just found
$177
Roundtrip
just found
Select Frontier Airlines flight, departing Sat, May 9 from Baltimore to Denver, returning Sat, May 16, priced at $177 just found
Southwest Airlines
Tue, Jun 9 - Tue, Jun 16
BWI
Baltimore
DEN
Denver
$315 Roundtrip, just found
$315
Roundtrip
just found
Select Southwest Airlines flight, departing Tue, Jun 9 from Baltimore to Denver, returning Tue, Jun 16, priced at $315 just found
United
Tue, Jun 9 - Tue, Jun 16
BWI
Baltimore
DEN
Denver
$325 Roundtrip, just found
$325
Roundtrip
just found
Select United flight, departing Tue, Jun 9 from Baltimore to Denver, returning Tue, Jun 16, priced at $325 just found
American Airlines
Tue, May 26 - Tue, Jun 2
BWI
Baltimore
DEN
Denver
$335 Roundtrip, just found
$335
Roundtrip
just found
Select American Airlines flight, departing Tue, May 26 from Baltimore to Denver, returning Tue, Jun 2, priced at $335 just found
Delta
Tue, Jun 23 - Tue, Jun 30
BWI
Baltimore
DEN
Denver
$335 Roundtrip, just found
$335
Roundtrip
just found
Select Delta flight, departing Tue, Jun 23 from Baltimore to Denver, returning Tue, Jun 30, priced at $335 just found

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 $180
DEN
Denver Intl.
Cheapest
Average driving time to city center32 min
Flights from $180

Frequently asked questions

How much does a flight from Baltimore, MD (BWI-Baltimore Washington Intl. Thurgood Marshall) to Denver, CO (DEN-Denver Intl.) cost?
You can find cheap one-way flights from $80 and cheap return flights from $160 Baltimore, MD (BWI-Baltimore Washington Intl. Thurgood Marshall) to Denver, CO (DEN-Denver Intl.) with Expedia. One-way flights usually range from $171 to $863, and return flights typically cost between $310 and $1317. Flight prices vary based on the month and day of the week you want to travel, as well as the airline and how far in advance you book your ticket. Filter your search on Expedia by "Price (lowest to highest)" to see the cheapest fares first, and use the Price Tracking tool to receive alerts when Baltimore, MD (BWI-Baltimore Washington Intl. Thurgood Marshall) to Denver, CO (DEN-Denver Intl.) ticket fares go up or down.*Typical price ranges based on flights available on Expedia in the last year. Prices include multi-airline options.
What is the cheapest month to fly from Baltimore, MD (BWI-Baltimore Washington Intl. Thurgood Marshall) to Denver, CO (DEN-Denver Intl.)?
The cheapest month to fly from BWI to DEN is May when demand is low. Traveling in off-peak or shoulder months is usually a good way to secure cheap tickets, just remember to avoid flying during holidays if you're able to. Use the calendar view in your search to see which months have low fares on this route.
Which airlines fly direct from Baltimore, MD (BWI-Baltimore Washington Intl. Thurgood Marshall) to Denver, CO (DEN-Denver Intl.)?
United operates around 20 direct flights from BWI to DEN every week.
What is the cheapest airline that flies from Baltimore, MD (BWI-Baltimore Washington Intl. Thurgood Marshall) to Denver, CO (DEN-Denver Intl.)?
United is one of the cheapest airlines offering nonstop flights from Baltimore, MD (BWI) to Denver, CO (DEN), with round-trip tickets starting from around $322. Use Expedia's search tool to compare the prices and schedules of airlines that fly this route to find the best option for your plans and budget.*Prices based on flights available on Expedia in the last year.
How do I find cheap flights from Baltimore, MD (BWI-Baltimore Washington Intl. Thurgood Marshall) to Denver, CO (DEN-Denver Intl.)?
To find a cheap flight from Baltimore, MD (BWI-Baltimore Washington Intl. Thurgood Marshall) to Denver, CO (DEN-Denver Intl.), be flexible with your dates. Traveling outside of peak vacation months and booking a mid-week flight can help you save. Early morning and late night flights are often more affordable, too. Expedia allows you to compare flight times, airlines and routes all in one place to find low fares. You can also set up Price Tracking and receive alerts when fares go up or down.
What is the best airline to fly with from Baltimore, MD (BWI-Baltimore Washington Intl. Thurgood Marshall) to Denver, CO (DEN-Denver Intl.)?
The best airline to fly with from Baltimore, MD (BWI) to Denver, CO (DEN) will differ from traveler to traveler. If you like to fly early, WN offers early morning flights. If price is the most important factor, Frontier Airlines typically offers the lowest fares. WN offers the most daily flights from BWI to DEN, which is great if flexibility is what you value most. The best carrier for this journey could also be the one you have a loyalty membership with, as flying with that airline or another airline within the same alliance could help you collect points or enjoy lounge access.
What is the best time to fly from Baltimore, MD (BWI-Baltimore Washington Intl. Thurgood Marshall) to Denver, CO (DEN-Denver Intl.)?
The best time to fly is usually mid-week (Tuesday or Wednesday) and during early morning hours as flights tend to be cheaper, less crowded, and generally more on-time. Avoid major holidays and peak vacation seasons for smoother travel. Combining off-peak days and hours often gives the best combination of cost, comfort, and convenience.
How many flights per day from Baltimore, MD (BWI-Baltimore Washington Intl. Thurgood Marshall) to Denver, CO (DEN-Denver Intl.)?
You can find approximately 8 nonstop flights per day from Baltimore Washington Intl. Thurgood Marshall (BWI) to Denver Intl. (DEN). For more options, look at flights that include layovers.
What is the earliest flight from Baltimore, MD (BWI-Baltimore Washington Intl. Thurgood Marshall) to Denver, CO (DEN-Denver Intl.)?
The earliest flight from Baltimore, MD (BWI) to Denver, CO (DEN) typically departs at around 5:00 AM, operated by American Airlines. This is a seasonal service active in December, making it a good option for holiday travel. An early departure allows you to arrive in Denver with plenty of time to enjoy the day. To compare early flights on Expedia, select the "Early Morning" and "Morning" filters in your search.
What are the most popular departure times for flights from Baltimore, MD (BWI-Baltimore Washington Intl. Thurgood Marshall) to Denver, CO (DEN-Denver Intl.)?
The most popular departure times for flights from Baltimore, MD (BWI-Baltimore Washington Intl. Thurgood Marshall) to Denver, CO (DEN-Denver Intl.) are in the early morning, from 6am to 9am. About 32% of passengers prefer this time window. Many major carriers, including Southwest Airlines and United Airlines, offer flights during this window. This timing works well because it allows you to arrive in Denver with a full day ahead of you.
How long does it take to fly from Baltimore, MD (BWI-Baltimore Washington Intl. Thurgood Marshall) to Denver, CO (DEN-Denver Intl.)?
Direct flights from BWI to DEN usually take about 4 hours, traveling roughly 1,487 miles. If you opt for a connecting flight, expect to add around 3 hours 50 minutes to your journey. Keep in mind that actual flight times can vary due to wind patterns, weather, and air traffic.
Can you fly business or first class from Baltimore, MD (BWI-Baltimore Washington Intl. Thurgood Marshall) to Denver, CO (DEN-Denver Intl.)?
First class seats are offered on the BWI to DEN route. First class cabins are available on:

  • American Airlines
  • Delta Air Lines
  • United Airlines

How much is a business class flight from Baltimore, MD (BWI-Baltimore Washington Intl. Thurgood Marshall) to Denver, CO (DEN-Denver Intl.)?
A direct, return business class ticket from Baltimore (BWI) to Denver (DEN) typically costs between $1,380 - $1,887. A non-stop, one-way business class flight is usually around $503 - $663. Prices often fluctuate based on seasonality and how early you book. You may also be able to find a cheaper business class journey between Baltimore, MD (BWI-Baltimore Washington Intl. Thurgood Marshall) to Denver, CO (DEN-Denver Intl.) if you opt for a connecting flight.*Prices based on flights available on Expedia in the last year.
How do I earn miles on a Baltimore, MD (BWI-Baltimore Washington Intl. Thurgood Marshall) to Denver, CO (DEN-Denver Intl.) flight with Expedia?
It's easy to earn miles on a Baltimore, MD (BWI-Baltimore Washington Intl. Thurgood Marshall) to Denver, CO (DEN-Denver Intl.) flight when you book with Expedia. Before you confirm your booking, simply select your frequent flyer program and enter your program number. As a member of One Key™, you can also earn OneKeyCash™* on top of your airline miles when you book with Expedia.*Excludes taxes and fees. OneKeyCash is not redeemable for cash and can only be used on Expedia and other participating brands.
What airports do you fly into for Denver from Baltimore Washington Intl. Thurgood Marshall (BWI)?
From Baltimore Washington Intl. Thurgood Marshall (BWI), you can fly into Denver Intl. (DEN) to reach Denver. Some flights may connect through major hubs like Seattle - Tacoma Intl. (SEA), Midway Intl. (MDW), Evers Intl. (JAN) before reaching Denver. Compare routes and airports on Expedia to find the best flight options for your travel plans.
Is it cheaper to buy a plane ticket from Baltimore, MD (BWI-Baltimore Washington Intl. Thurgood Marshall) to Denver, CO (DEN-Denver Intl.) at the last minute?
Typically, booking a last minute flight from Baltimore, MD (BWI-Baltimore Washington Intl. Thurgood Marshall) to Denver, CO (DEN-Denver Intl.) will be more expensive than booking in advance. As the departure date approaches, there are usually fewer seats available which can drive up the cost. However, if there's some wiggle room with your travel dates and times, you could bag a cheap last-minute fare.
Is it cheaper to book a Baltimore, MD (BWI-Baltimore Washington Intl. Thurgood Marshall) to Denver, CO (DEN-Denver Intl.) flight and hotel package?
Securing a Baltimore, MD (BWI-Baltimore Washington Intl. Thurgood Marshall) to Denver, CO (DEN-Denver Intl.) Denver Vacation Packages is usually cheaper than booking separately. With Expedia, you can enjoy the ease of organizing your travels all in one place. Select from our extensive range of stays and then add flights, activities and car rentals to your booking. Bundle everything together, and you could save hundreds of dollars.
Can I cancel or change the date of my flight from Baltimore, MD (BWI-Baltimore Washington Intl. Thurgood Marshall) to Denver, CO (DEN-Denver Intl.)?
If you booked your Baltimore, MD (BWI-Baltimore Washington Intl. Thurgood Marshall) to Denver, CO (DEN-Denver Intl.) flight within the last 24 hours, you may be able to modify or cancel it without any fees. Depending on the airline and the type of ticket you have, additional charges may apply for changes beyond this timeframe. Airline policies and contact information can be found in your itinerary or confirmation email. Or, head to our Customer Service portal if you'd like more information.

Travel information

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
$160
Distance
1487 mi
Average flight time
2 hours 11 mins

Book with confidence

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 May. 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 2026. You can also book with separate airlines for your outbound and return journeys, from $80 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.

 

Baltimore to Denver Flights

*Flight schedules are subject to change.

*Available to One Key members.

 

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