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$56+ Cheap flights from Baltimore to Denver (BWI - DEN)

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 10/3. Fares are subject to change and may not be available on all flights or dates of travel.
BWI — DEN
Oct 11 — Oct 181
Sat 10/11
Sat 10/18
1 adult, Economy
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Cheapflights Tip: The best prices from Baltimore/Washington to Denver Intl are usually found in November or October, booked 53 days in advance, depart on a Friday or Wednesday and return on a Friday

Cheap flight deals from Baltimore to Denver

Discover tips and strategies to find the most affordable flight options for your journey from Baltimore (BWI) to Denver (DEN). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated September 11, 2025.

Round-trip from

$152
(Frontier)

One-way from

$56
(Cheapflightsfares)

Popular in

December

Cheapest in

November

Average price

$297
From Baltimore/Washington to Denver Intl
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One-way flight from Baltimore/Washington to Denver Intl
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Highest demand for flights based on searches. 5% potential increase in price ($20 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease ($10 potential savings vs. average RT price).
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Average for round-trip flights in September 2025
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Find flight deals from Baltimore to Denver

Cheapest flights from Baltimore to Denver
Explore the most affordable flight options available from Baltimore to Denver. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 11, 2025.

This Frontier deal was found by Cheapflights users on 9/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/44:24 pmBWI - DEN
1 stop8h 49mFrontier
Sun 10/512:16 pmDEN - BWI
Nonstop3h 26mFrontier
Deal found 9/11$152
This Kiwi.com deal was found by Cheapflights users on 9/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/15:45 amBWI - DEN
1 stop13h 28mMultiple Airlines
Mon 10/612:16 pmDEN - BWI
Nonstop3h 26mMultiple Airlines
Deal found 9/11$154
This CheapOair deal was found by Cheapflights users on 9/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/2511:38 amBWI - DEN
1 stop11h 01mFrontier
Sun 11/28:41 pmDEN - BWI
1 stop16h 33mFrontier
Deal found 9/10$155
This CheapOair deal was found by Cheapflights users on 9/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/44:24 pmBWI - DEN
1 stop17h 45mFrontier
Mon 10/66:00 amDEN - BWI
1 stop13h 14mFrontier
Deal found 9/10$156
This Booking.com deal was found by Cheapflights users on 9/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/274:24 pmBWI - DEN
1 stop17h 45mFrontier
Wed 10/15:50 pmDEN - BWI
1 stop25h 24mFrontier
Deal found 9/11$157
This CheapOair deal was found by Cheapflights users on 9/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/2612:00 pmBWI - DEN
1 stop23h 15mFrontier
Sun 9/286:10 amDEN - BWI
1 stop27h 58mFrontier
Deal found 9/11$158
This CheapOair deal was found by Cheapflights users on 9/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/133:58 pmBWI - DEN
1 stop17h 43mFrontier
Wed 11/198:13 pmDEN - BWI
1 stop12h 06mFrontier
Deal found 9/11$159
This CheapOair deal was found by Cheapflights users on 9/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/13:05 pmBWI - DEN
1 stop10h 38mFrontier
Mon 11/31:42 pmDEN - BWI
1 stop8h 31mFrontier
Deal found 9/10$160
This CheapOair deal was found by Cheapflights users on 9/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/36:27 pmBWI - DEN
Nonstop4h 02mFrontier
Sun 10/512:16 pmDEN - BWI
Nonstop3h 26mFrontier
Deal found 9/11$161
This Booking.com deal was found by Cheapflights users on 9/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/13:05 pmBWI - DEN
1 stop10h 38mFrontier
Fri 11/712:59 amDEN - BWI
1 stop12h 36mFrontier
Deal found 9/11$162
This CheapOair deal was found by Cheapflights users on 9/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/1411:19 amBWI - DEN
1 stop13h 57mFrontier
Sun 10/1911:59 pmDEN - BWI
1 stop15h 15mFrontier
Deal found 9/10$163
This CheapOair deal was found by Cheapflights users on 9/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/14:24 pmBWI - DEN
1 stop17h 45mFrontier
Fri 10/312:04 amDEN - BWI
1 stop13h 13mFrontier
Deal found 9/11$164

Cheapflights Fare Finder

 
Customize your flight search to find flights from Baltimore to Denver that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated September 11, 2025.
Use the filters below to find and compare flights from Baltimore to Denver that are best for you.

Fly from

Baltimore

Fly to

Denver

Route

Depart

Return

Price

BaltimoreDenver

BWI - DEN

BWIDEN

Baltimore/Washington

Fri 11/7

6:10 am-8:15 am

Nonstop4h 05m

Denver Intl

Tue 11/11

7:00 am-12:25 pm

Nonstop3h 25m

$165

BaltimoreDenver

BWI - DEN

BWIDEN

Baltimore/Washington

Thu 11/6

6:20 pm-9:35 pm

1 stop5h 15m

Denver Intl

Sat 11/8

7:45 am-1:05 pm

Nonstop3h 20m

$175

BaltimoreDenver

BWI - DEN

BWIDEN

Baltimore/Washington

Fri 11/14

4:12 pm-6:17 pm

Nonstop4h 05m

Denver Intl

Sun 11/16

5:43 pm-11:04 pm

Nonstop3h 21m

$181

BaltimoreDenver

BWI - DEN

BWIDEN

Baltimore/Washington

Fri 11/14

3:30 pm-5:35 pm

Nonstop4h 05m

Denver Intl

Sun 11/16

5:30 am-10:55 am

Nonstop3h 25m

$181

BaltimoreDenver

BWI - DEN

BWIDEN

Baltimore/Washington

Fri 10/31

6:50 am-11:15 am

1 stop6h 25m

Denver Intl

Sun 11/2

5:30 am-10:55 am

Nonstop3h 25m

$187

BaltimoreDenver

BWI - DEN

BWIDEN

Baltimore/Washington

Fri 10/17

6:17 pm-8:22 pm

Nonstop4h 05m

Denver Intl

Mon 10/20

12:12 pm-5:44 pm

Nonstop3h 32m

$193

BaltimoreDenver

BWI - DEN

BWIDEN

Baltimore/Washington

Wed 10/15

4:55 pm-8:40 pm

1 stop5h 45m

Denver Intl

Mon 10/20

11:40 pm-5:00 am

Nonstop3h 20m

$200

BaltimoreDenver

BWI - DEN

BWIDEN

Baltimore/Washington

Fri 11/14

4:30 pm-9:28 pm

1 stop6h 58m

Denver Intl

Sun 11/16

10:29 pm-3:35 pm

2 stops15h 06m

$201

BaltimoreDenver

BWI - DEN

BWIDEN

Baltimore/Washington

Mon 11/24

8:15 am-10:22 am

Nonstop4h 07m

Denver Intl

Fri 11/28

5:36 pm-10:57 pm

Nonstop3h 21m

$203

BaltimoreDenver

BWI - DEN

BWIDEN

Baltimore/Washington

Fri 10/17

6:17 pm-8:22 pm

Nonstop4h 05m

Denver Intl

Mon 10/20

9:48 am-6:35 am

2 stops18h 47m

$212

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/11

Showing 1-10 of 21 results
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The best insider tips for Baltimore to Denver flights

Snippets provided in this section are AI-generated based on a summarization of Cheapflights-commissioned articles. The articles are presented as-is, for general informational purposes only, and may not be up-to-date. The opinions contained in the articles are original to the author and reflect their authentic experience, which may vary significantly from the experience of others.
Cheapflights partnered with top experts to bring you the best recommendations for your Baltimore to Denver trip
Airlines
United Airlines

United's Economy Plus offers extra legroom, ideal for a more comfortable journey.


United's MileagePlus program allows pooling miles, a great way to gather enough for a ticket.

Read more about United Airlinesby Harriet Baskas
Frontier

Frontier offers extra comfort seats with 32” separation for a fee, enhancing your flight experience.


Early morning flights have a better chance of being on time, minimizing delays.

Read more about Frontierby Marisa Garcia
Airports
BWI

For early morning flights, arrive 20-30 minutes early due to busy security lines, especially on weekdays.

Read more about BWIby Emily Zemler
DEN

Take the A Line train from DEN to Union Station for a quick 37-minute ride into downtown Denver.

Read more about DENby Emily Zemler
Our travel experts
Harriet Baskas

Harriet Baskas

Expert on United Airlines

Harriet Baskas

Harriet Baskas

Harriet is an award-winning journalist who is happiest in an airport or an unusual museum. Her stories about airports, air travel, and the business of travel have appeared on NBC News, CNBC, USA TODAY, The Points Guy and other outlets. She is the creator of the StuckatTheAirport.com blog and the author of nine books. When not out on the road or exploring the latest airport amenities, she’s home in Seattle getting ready for the next adventure.

Read more
Marisa Garcia

Marisa Garcia

Expert on Frontier

Marisa Garcia

Marisa Garcia

Marisa knows planes inside and out, spending 16 years working on aircraft in hangars at airports around the world. She is an aviation industry expert, specialized in airline interiors and regulations. Ten years ago, she pivoted to journalism. She shares her insights in leading aviation, travel, and business publications and on her site FlightChic.

Read more
Emily Zemler

Emily Zemler

Expert on BWI and DEN

Emily Zemler

Emily Zemler

Emily is a freelance writer and book author based in London covering entertainment and travel. Her work has appeared in Los Angeles Times, Observer, and Conde Nast Traveler She has ventured to more than 40 countries and all seven continents, always in search of a great art museum. She has written extensively about hotels, luxury travel, and aviation.

Read more

Best time to book a flight from Baltimore to Denver

Have a flexible travel schedule? Discover the best time to fly to Denver from Baltimore with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Baltimore to Denver

How far ahead should I book a flight from Baltimore to Denver?

Use this chart to determine the optimal time to book a round-trip flight from Baltimore to Denver. Price data was last updated on August 29, 2025.

The best time to book flights from Baltimore to Denver is 53 days before your desired departure date. The cost of your flight will likely increase significantly if you book two weeks in advance of your flight.

What is the cheapest month to book a flight from Baltimore to Denver?

Currently, October is the cheapest month in which you can book a flight from Baltimore to Denver (average of $197). Flying from Baltimore to Denver in March is currently the most expensive (average of $278). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

What is the cheapest time of day to fly from BWI to DEN?

Find hourly flight availability from Baltimore to Denver. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated September 11, 2025.

Unlike in the morning, when flights are generally more expensive, you can save up to 46% on flights from Baltimore to Denver by exploring options for tickets at noon.

What is the cheapest day to fly from Baltimore to Denver?

Use this chart to determine the cheapest time to fly round-trip from Baltimore to Denver. Price data was last updated on September 7, 2025.

Travelers seeking maximum savings on their Baltimore to Denver flight should consider departing on Thursday evenings when fares are most often at their lowest. Sunday mornings flights should be avoided if possible as fares are typically the most expensive at this time.

Reviews of airlines servicing Denver

Get insights into the airlines that provide service to Denver. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Denver. Reviews last updated September 11, 2025.
Read reviews from past customers who have flown Southwest, Delta, and United Airlines from Baltimore to Denver. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
Southwest
8.0
Very good
4,248 reviews

Entertainment

7.5

Food

7.0

Boarding

8.1

Comfort

8.0

Overall

8.0

Crew

8.6

Reviews

1 / 20
8.0
Excellent

Gina,Jul 2025

LAS - DEN

We experienced bad weather, which turned our 1.5 hour flight from Las Vegas to Denver, into 3.5. The pilot and crew kept us updated and explained that we had to circle and or possibly redirect to another airport. After circling for sometime, we were able to land smoothly in Denver. Thank you to all the flight crew, tower control, and all who got us to our destination safely.
Southwest
8.0
Very good
4,248 reviews
Southwest
8.0
Very good
4,248 reviews

Entertainment

7.5

Food

7.0

Boarding

8.1

Comfort

8.0

Overall

8.0

Crew

8.6

Reviews

1 / 20
8.0
Excellent

Gina,Jul 2025

LAS - DEN

We experienced bad weather, which turned our 1.5 hour flight from Las Vegas to Denver, into 3.5. The pilot and crew kept us updated and explained that we had to circle and or possibly redirect to another airport. After circling for sometime, we were able to land smoothly in Denver. Thank you to all the flight crew, tower control, and all who got us to our destination safely.
Delta
8.0
Very good
7,960 reviews
Southwest
8.0
Very good
4,248 reviews

Entertainment

7.5

Food

7.0

Boarding

8.1

Comfort

8.0

Overall

8.0

Crew

8.6

Reviews

1 / 20
8.0
Excellent

Gina,Jul 2025

LAS - DEN

We experienced bad weather, which turned our 1.5 hour flight from Las Vegas to Denver, into 3.5. The pilot and crew kept us updated and explained that we had to circle and or possibly redirect to another airport. After circling for sometime, we were able to land smoothly in Denver. Thank you to all the flight crew, tower control, and all who got us to our destination safely.
United Airlines
7.4
Good
8,937 reviews
Southwest
8.0
Very good
4,248 reviews

Entertainment

7.5

Food

7.0

Boarding

8.1

Comfort

8.0

Overall

8.0

Crew

8.6

Reviews

1 / 20
8.0
Excellent

Gina,Jul 2025

LAS - DEN

We experienced bad weather, which turned our 1.5 hour flight from Las Vegas to Denver, into 3.5. The pilot and crew kept us updated and explained that we had to circle and or possibly redirect to another airport. After circling for sometime, we were able to land smoothly in Denver. Thank you to all the flight crew, tower control, and all who got us to our destination safely.
American Airlines
7.2
Good
10,000 reviews
Southwest
8.0
Very good
4,248 reviews

Entertainment

7.5

Food

7.0

Boarding

8.1

Comfort

8.0

Overall

8.0

Crew

8.6

Reviews

1 / 20
8.0
Excellent

Gina,Jul 2025

LAS - DEN

We experienced bad weather, which turned our 1.5 hour flight from Las Vegas to Denver, into 3.5. The pilot and crew kept us updated and explained that we had to circle and or possibly redirect to another airport. After circling for sometime, we were able to land smoothly in Denver. Thank you to all the flight crew, tower control, and all who got us to our destination safely.
Frontier
5.8
Fair
3,177 reviews
Southwest
8.0
Very good
4,248 reviews

Entertainment

7.5

Food

7.0

Boarding

8.1

Comfort

8.0

Overall

8.0

Crew

8.6

Reviews

1 / 20
8.0
Excellent

Gina,Jul 2025

LAS - DEN

We experienced bad weather, which turned our 1.5 hour flight from Las Vegas to Denver, into 3.5. The pilot and crew kept us updated and explained that we had to circle and or possibly redirect to another airport. After circling for sometime, we were able to land smoothly in Denver. Thank you to all the flight crew, tower control, and all who got us to our destination safely.

Related info for your journey

Find useful and relevant information for your journey from Baltimore to Denver. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airports do I use to fly from Baltimore to Denver?

    You will need to book a flight from Baltimore/Washington to Denver Intl if you want to fly from Baltimore to Denver. At least 6 different airlines have flights from Baltimore/Washington (BWI) to Denver Intl (DEN) on a regular basis. There are 10 flights to Denver from the Baltimore airport per day. If you manage to book one that is nonstop, then you can expect the flight time from BWI to DEN to be around 3h 54m.

  • How popular is this Baltimore to Denver flight route?

    The Baltimore/Washington to Denver Intl flight path was viewed by 134 users in the past month. Keep an eye out for changes in search interest prior to high and low season.

  • How long is the flight from Baltimore to Denver?

    For as low as $165, Southwest can have you in Denver from Baltimore in 4h 05m. The distance between Baltimore and Denver is about 1486 mi. Generally, flights for this route are nonstop.

  • What are the cheapest airlines flying from Baltimore to Denver round-trip?

    Our cheapest airline available from Baltimore to Denver is Frontier. Our recent data shows that you can find tickets from as low as $100 on this airline. Additional options worth looking into are Sun Country Air and Delta, starting at $155 and $158 round-trip. Frontier is 69% cheaper than the average price of flights available within the next 90 days to this destination.

  • What are the most reliable airlines from Baltimore to Denver?

    No one likes to see their flight delayed. When booking a flight from Baltimore to Denver consider choosing United Airlines (91%), Southwest (62%) or Frontier (32%) as they are the most reliable in getting you off to your destination on time.

  • What are the cheapest flights from Baltimore to Denver?

    While on average a flight from Baltimore to Denver is generally $727, our data shows the cheapest flight currently is $90. When looking at the most popular route, (Baltimore/Washington - Denver Intl), you can expect to pay $138 for that flight.

  • Can I find deals for flights from Baltimore to Denver that include hotel bookings?

    Yes. In addition to deals on Baltimore to Denver flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Baltimore to Denver?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Baltimore to Denver.

  • Can I find deals for business class flights from Baltimore to Denver?

    Yes. Cheapflights offers flight deals from Baltimore to Denver by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Baltimore to Denver?

    Currently, October is the cheapest month in which you can book a flight from Baltimore to Denver (average of $197). Flying from Baltimore to Denver in March is currently the most expensive (average of $278). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Traveling to a place near Denver?

Book flights to Denver if you plan to visit one of these locations
Westminster
Black Hawk
Golden
Winter Park
Broomfield
Greeley
Lone Tree
Lakewood
Cripple Creek
Thornton
Silverthorne
Frisco
Manitou Springs
Fort Morgan
Glendale
Wheat Ridge
Brighton
Longmont
Idaho Springs
Parker

Browse thousands of different options on Cheapflights for your next trip

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Alternative routes for Baltimore to Denver

See prices for flight routes from nearby airports that may be better suited for you.
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Top 6 airlines flying from Baltimore to Denver

Discover the top 6 airlines that operate flights from Baltimore to Denver. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated September 11, 2025.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$100Average$214FlexibilityNo cancel feeOn-time62%
Sun Country AirCheapest$155Average$275FlexibilityNo cancel feeOn-time83%
DeltaCheapest$158Average$338FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$174Average$316FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$203Average$384FlexibilityNo cancel feeOn-time69%
SouthwestCheapest$217Average$358FlexibilityNo cancel feeOn-time63%

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