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$84+ Cheap flights from Colorado to Baltimore (BWI)

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 10/22. Fares are subject to change and may not be available on all flights or dates of travel.
DEN — BWI
Oct 17 — Oct 241
Fri 10/17
Fri 10/24
1 adult, Economy
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Cheap flight deals from Colorado to Baltimore

Keep the following information in mind while searching for Colorado to Baltimore flight deals. Data was last updated September 17, 2025.

Round-trip from

$142
(Frontier)

One-way from

$84
(United Airlines)

Popular in

December

Cheapest in

August

Average price

$237
From Colorado to Baltimore/Washington
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One-way flight from Colorado to Baltimore/Washington
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Highest demand for flights based on searches. 6% potential increase in price ($19 potential increase over avg. RT price).
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Cheapest flight prices on average. 1% potential price decrease ($4 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 Colorado to Baltimore

Cheapest flights from Colorado to Baltimore
Explore the most affordable flight options available from Colorado to Baltimore. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 17, 2025.

This Frontier deal was found by Cheapflights users on 9/16. 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.
Thu 10/169:19 pmDEN - BWI
1 stop10h 59mFrontier
Fri 10/176:17 pmBWI - DEN
Nonstop4h 05mFrontier
Deal found 9/16$142
This United Airlines deal was found by Cheapflights users on 9/15. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/12:00 pmDEN - BWI
Nonstop3h 21mUnited Airlines
Sun 11/910:10 amBWI - DEN
Nonstop4h 07mUnited Airlines
Deal found 9/15$147
This CheapOair deal was found by Cheapflights users on 9/15. 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 10/36:00 amDEN - BWI
1 stop13h 14mFrontier
Sun 10/56:50 pmBWI - DEN
1 stop14h 30mFrontier
Deal found 9/15$148
This CheapOair deal was found by Cheapflights users on 9/15. 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 10/2212:59 amDEN - BWI
1 stop6h 06mFrontier
Mon 10/2711:14 amBWI - DEN
1 stop23h 52mFrontier
Deal found 9/15$149
This CheapOair deal was found by Cheapflights users on 9/16. 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 10/26:00 amDEN - BWI
1 stop28h 08mFrontier
Sun 10/57:45 pmBWI - DEN
1 stop25h 22mFrontier
Deal found 9/16$150
This Kiwi.com deal was found by Cheapflights users on 9/16. 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.
Fri 10/2412:12 pmDEN - BWI
Nonstop3h 32mFrontier
Thu 10/304:15 pmBWI - DEN
1 stop7h 15mFrontier
Deal found 9/16$153
This CheapOair deal was found by Cheapflights users on 9/15. 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 10/1812:25 pmDEN - BWI
1 stop9h 44mFrontier
Mon 10/276:29 pmBWI - DEN
Nonstop4h 05mFrontier
Deal found 9/15$154
This CheapOair deal was found by Cheapflights users on 9/15. 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.
Mon 10/66:00 amDEN - BWI
1 stop13h 14mFrontier
Sat 10/1111:33 amBWI - DEN
1 stop23h 10mFrontier
Deal found 9/15$155
This CheapOair deal was found by Cheapflights users on 9/15. 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 10/171:42 pmDEN - BWI
1 stop8h 31mFrontier
Sun 10/1910:00 pmBWI - DEN
1 stop12h 43mFrontier
Deal found 9/15$156
This Cheapflightsfares deal was found by Cheapflights users on 9/17. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/2612:16 pmDEN - BWI
Nonstop3h 26mFrontier
Mon 9/296:27 pmBWI - DEN
Nonstop4h 02mFrontier
Deal found 9/17$157
This United Airlines deal was found by Cheapflights users on 9/15. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/810:34 amCOS - BWI
1 stop6h 47mUnited Airlines
Tue 11/1110:10 amBWI - COS
1 stop6h 19mUnited Airlines
Deal found 9/15$162
This Delta deal was found by Cheapflights users on 9/15. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/16:00 amCOS - BWI
1 stop7h 39mDelta
Wed 11/54:44 pmBWI - COS
1 stop5h 46mDelta
Deal found 9/15$237

Cheapflights Fare Finder

 
Customize your flight search to find flights from Colorado to Baltimore 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 17, 2025.
Use the filters below to find and compare flights from Colorado to Baltimore that are best for you.

Fly from

Colorado

Fly to

Baltimore

Route

Depart

Return

Price

DenverBaltimore

DEN - BWI

DENBWI

Denver Intl

Thu 11/20

5:36 pm-10:57 pm

Nonstop3h 21m

Baltimore/Washington

Sun 11/23

4:12 pm-6:17 pm

Nonstop4h 05m

$147

DenverBaltimore

DEN - BWI

DENBWI

Denver Intl

Sat 10/18

11:20 am-4:45 pm

Nonstop3h 25m

Baltimore/Washington

Sat 10/25

7:05 pm-9:05 pm

Nonstop4h 00m

$147

Colorado SpringsBaltimore

COS - BWI

COSBWI

Colorado Springs

Sat 11/8

10:34 am-7:21 pm

1 stop6h 47m

Baltimore/Washington

Tue 11/11

10:10 am-2:29 pm

1 stop6h 19m

$162

DenverBaltimore

DEN - BWI

DENBWI

Denver Intl

Wed 11/12

2:45 pm-8:00 pm

Nonstop3h 15m

Baltimore/Washington

Sun 11/16

7:50 am-9:55 am

Nonstop4h 05m

$163

DenverBaltimore

DEN - BWI

DENBWI

Denver Intl

Wed 10/29

2:30 pm-7:50 pm

Nonstop3h 20m

Baltimore/Washington

Thu 11/6

6:10 am-8:15 am

Nonstop4h 05m

$163

DenverBaltimore

DEN - BWI

DENBWI

Denver Intl

Wed 10/15

12:15 pm-7:40 pm

1 stop5h 25m

Baltimore/Washington

Wed 10/22

6:55 pm-10:40 pm

1 stop5h 45m

$167

DenverBaltimore

DEN - BWI

DENBWI

Denver Intl

Wed 11/19

2:45 pm-8:00 pm

Nonstop3h 15m

Baltimore/Washington

Fri 11/28

5:30 pm-9:40 pm

1 stop6h 10m

$173

DenverBaltimore

DEN - BWI

DENBWI

Denver Intl

Sun 1/11

10:35 am-5:30 pm

1 stop4h 55m

Baltimore/Washington

Sat 1/17

3:30 pm-7:30 pm

1 stop6h 00m

$183

DenverBaltimore

DEN - BWI

DENBWI

Denver Intl

Mon 2/2

12:05 pm-8:10 pm

1 stop6h 05m

Baltimore/Washington

Wed 2/4

4:20 pm-9:40 pm

2 stops7h 20m

$188

DenverBaltimore

DEN - BWI

DENBWI

Denver Intl

Thu 10/16

5:45 pm-11:18 pm

Nonstop3h 33m

Baltimore/Washington

Thu 10/23

10:10 am-12:05 pm

Nonstop3h 55m

$217

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/14

Showing 1-10 of 60 results
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Best time to book a flight from Colorado to Baltimore

Have a flexible travel schedule? Discover the best time to fly to Baltimore from Colorado 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 Colorado to Baltimore

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

Currently, August is the cheapest month in which you can book a flight from Colorado to Baltimore (average of $241). Flying from Colorado to Baltimore in March is currently the most expensive (average of $290). 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 CO to BWI?

Find hourly flight availability from Colorado to Baltimore. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated September 17, 2025.

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Colorado to Baltimore as you normally would.

Weekly flight availability from Colorado to Baltimore

Explore weekly flight availability from Colorado to Baltimore. Discover flights operating on different days of the week, giving you the flexibility to choose a travel day that best fits your plans. Compare info to find the most convenient option for your journey. Data last updated September 17, 2025.

The most flights from USCO to BWI are scheduled on a Monday (12 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (4 on average).

How much does it cost to fly round-trip from Colorado to Baltimore?

Related info for your journey

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

  • What airport do you fly into for flights to Baltimore from Colorado?

    Located just 8.5 mi from the city center, Baltimore/Washington (BWI) is the airport most travelers will use when flying to Baltimore from Colorado.

  • How popular is this Colorado to Baltimore flight route?

    Flights from Colorado to Baltimore/Washington have been viewed 29 times in the past calendar month.

  • How long is the flight from Colorado to Baltimore?

    For as low as $147, United Airlines can have you in Baltimore from Colorado in 3h 21m. The distance from Colorado to Baltimore is about 1486 mi. Both multi-stop and nonstop flights can be found to your destination and back.

  • What are the cheapest airlines to fly from Colorado to Baltimore one-way?

    The cheapest airlines for a one-way flight from Colorado to Baltimore are United Airlines ($84), Southwest ($100), and Frontier ($108).

  • What are the most popular routes from Colorado to Baltimore?

    The most popular route from Colorado to Baltimore is Denver Intl - Baltimore/Washington. You may also consider Colorado Springs - Baltimore/Washington or Vail Eagle County - Baltimore/Washington.

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

    Consider Southwest (70%), Frontier (67%) or United Airlines (58%) when booking your flight. These represent the most reliable airlines when flying from Colorado to Baltimore.

  • What are the cheapest flights from Colorado to Baltimore?

    Looking at all options, your cheapest flight can be booked for $76. While the most popular route (Denver Intl - Baltimore/Washington) can be booked for $134 on average, our data indicates $261 when flying from Colorado to Baltimore.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Colorado to Baltimore 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 Colorado to Baltimore?

    Currently, August is the cheapest month in which you can book a flight from Colorado to Baltimore (average of $241). Flying from Colorado to Baltimore in March is currently the most expensive (average of $290). 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

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Alternative routes for Colorado to Baltimore

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Top 5 airlines flying from Colorado to Baltimore

Discover the top 5 airlines that operate flights from Colorado to Baltimore. 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 17, 2025.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$104Average$221FlexibilityNo cancel feeOn-time62%
DeltaCheapest$138Average$276FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$173Average$514FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$216Average$424FlexibilityNo cancel feeOn-time71%
SouthwestCheapest$216Average$490FlexibilityNo cancel feeOn-time63%

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