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$251+ Cheap flights from Colorado to Belgium

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 7/22. Fares are subject to change and may not be available on all flights or dates of travel.
DEN — BRU
Jun 21 — Jun 281
Sat 6/21
Sat 6/28
1 adult, Economy
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Cheap flight deals from Colorado to Belgium

Keep the following information in mind while searching for Colorado to Belgium flight deals. Data was last updated June 16, 2025.

Round-trip from

$456
(Expedia)

One-way from

$251
(FlightHub)

Popular in

December

Cheapest in

January

Average price

$1,133
From Colorado to Belgium
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One-way flight from Colorado to Belgium
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High demand for flights, 4% potential price rise
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Cheapest flight prices on average. 3% potential price decrease ($29 potential savings vs. average RT price).
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Average for round-trip flights in June 2025
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Find flight deals from Colorado to Belgium

Cheapest flights from Colorado to Belgium
Explore the most affordable flight options available from Colorado to Belgium. Find the lowest fares from popular airlines and budget airlines, with prices last updated on June 16, 2025.

This Expedia deal was found by Cheapflights users on 6/14. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/77:55 pmDEN - BRU
1 stop16h 55mAer Lingus
Thu 8/2110:20 amBRU - DEN
1 stop15h 39mAer Lingus
Deal found 6/14$456
This Mytrip deal was found by Cheapflights users on 6/13. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/49:40 amDEN - BRU
2 stops28h 00mMultiple Airlines
Tue 8/1210:20 pmBRU - DEN
2 stops29h 40mMultiple Airlines
Deal found 6/13$509
This Gotogate deal was found by Cheapflights users on 6/15. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/94:40 pmDEN - BRU
1 stop12h 10mIcelandair
Sat 8/301:50 pmBRU - DEN
1 stop13h 05mIcelandair
Deal found 6/15$578
This Gotogate deal was found by Cheapflights users on 6/14. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/711:25 amDEN - BRU
2 stops36h 35mAir Canada
Thu 8/2110:00 amBRU - DEN
1 stop16h 20mAir Canada
Deal found 6/14$619
This United Airlines deal was found by Cheapflights users on 6/16. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/234:15 pmDEN - BRU
1 stop32h 40mUnited Airlines
Tue 12/3010:00 amBRU - DEN
1 stop18h 05mUnited Airlines
Deal found 6/16$686
This Gotogate deal was found by Cheapflights users on 6/14. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/236:25 pmCOS - BRU
2 stops29h 35mMultiple Airlines
Mon 9/17:40 pmBRU - COS
2 stops28h 19mMultiple Airlines
Deal found 6/14$693
This Delta deal was found by Cheapflights users on 6/16. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/2311:59 pmDEN - BRU
1 stop25h 01mDelta
Tue 12/3011:00 amBRU - DEN
2 stops19h 43mDelta
Deal found 6/16$719
This Mytrip deal was found by Cheapflights users on 6/13. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/49:03 amDEN - CRL
2 stops18h 22mMultiple Airlines
Fri 8/86:45 pmCRL - DEN
1 stop31h 14mMultiple Airlines
Deal found 6/13$745
This United Airlines deal was found by Cheapflights users on 6/14. 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 8/237:40 amCOS - BRU
2 stops16h 05mUnited Airlines
Mon 9/110:15 amBRU - COS
1 stop19h 39mUnited Airlines
Deal found 6/14$799
This Delta deal was found by Cheapflights users on 6/15. 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 8/236:00 amCOS - BRU
1 stop18h 40mDelta
Mon 9/18:00 amBRU - COS
2 stops22h 18mDelta
Deal found 6/15$844
This Cheapflightsfares deal was found by Cheapflights users on 6/14. 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.
Wed 12/245:30 pmDEN - BRU
1 stop12h 20mBritish Airways
Fri 1/29:45 amBRU - DEN
1 stop13h 40mBritish Airways
Deal found 6/14$860
This Cheapflightsfares deal was found by Cheapflights users on 6/14. 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.
Tue 12/234:20 pmDEN - BRU
2 stops20h 20mLufthansa
Tue 12/307:00 amBRU - DEN
2 stops15h 35mLufthansa
Deal found 6/14$867

Cheapflights Fare Finder

Customize your flight search to find flights from Colorado to Belgium 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 June 16, 2025.
Use the filters below to find and compare flights from Colorado to Belgium that are best for you.

Fly from

Colorado

Fly to

Belgium

Route

Depart

Return

Price

DenverBrussels

DEN - BRU

DENBRU

Denver Intl

Thu 8/7

7:55 pm-8:50 pm

1 stop16h 55m

Brussels Bruxelles-National

Thu 8/21

10:20 am-5:59 pm

1 stop15h 39m

$456

DenverBrussels

DEN - BRU

DENBRU

Denver Intl

Mon 8/4

9:40 am-9:40 pm

2 stops28h 00m

Brussels Bruxelles-National

Tue 8/12

10:20 pm-8:00 pm

2 stops29h 40m

$509

DenverBrussels

DEN - BRU

DENBRU

Denver Intl

Sat 8/9

4:40 pm-12:50 pm

1 stop12h 10m

Brussels Bruxelles-National

Sat 8/30

1:50 pm-6:55 pm

1 stop13h 05m

$578

DenverBrussels

DEN - BRU

DENBRU

Denver Intl

Thu 8/7

11:25 am-8:00 am

2 stops36h 35m

Brussels Bruxelles-National

Thu 8/21

10:00 am-6:20 pm

1 stop16h 20m

$619

Colorado SpringsBrussels

COS - BRU

COSBRU

Colorado Springs

Sat 8/23

6:25 pm-8:00 am

2 stops29h 35m

Brussels Bruxelles-National

Mon 9/1

7:40 pm-3:59 pm

2 stops28h 19m

$693

DenverBrussels

DEN - BRU

DENBRU

Denver Intl

Sat 8/9

4:22 pm-8:50 am

1 stop32h 28m

Brussels Bruxelles-National

Sat 8/30

9:40 am-3:00 pm

3 stops37h 20m

$730

DenverBrussels

DEN - CRL

DENCRL

Denver Intl

Mon 8/4

9:03 am-11:25 am

2 stops18h 22m

Charleroi Brussels

Fri 8/8

6:45 pm-5:59 pm

1 stop31h 14m

$745

Colorado SpringsBrussels

COS - BRU

COSBRU

Colorado Springs

Sat 8/23

7:40 am-7:45 am

2 stops16h 05m

Brussels Bruxelles-National

Mon 9/1

10:15 am-9:54 pm

1 stop19h 39m

$799

DenverBrussels

DEN - BRU

DENBRU

Denver Intl

Fri 8/8

12:59 am-8:40 am

1 stop23h 41m

Brussels Bruxelles-National

Sat 8/30

10:45 am-6:08 pm

1 stop15h 23m

$800

Colorado SpringsBrussels

COS - BRU

COSBRU

Colorado Springs

Sat 8/23

6:00 am-8:40 am

1 stop18h 40m

Brussels Bruxelles-National

Mon 9/1

8:00 am-10:18 pm

2 stops22h 18m

$844

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/14

Showing 1-10 of 36 results
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Best time to book a flight from Colorado to Belgium

Have a flexible travel schedule? Discover the best time to fly to Belgium 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 Belgium

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

Currently, November is the cheapest month in which you can book a flight from Colorado to Belgium (average of $614). Flying from Colorado to Belgium in June is currently the most expensive (average of $1,096). 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 BE?

Find hourly flight availability from Colorado to Belgium. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated June 16, 2025.

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

Rainfall in Belgium by month

Plan your trip to Belgium by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Belgium ranges from 1.6 - 3.1 inches per month. January is typically the wettest month, when rainfall can reach 3.1 in. August is typically the driest time to visit Belgium when rainfall is around 1.6 in.

Temperature in Belgium by month

Plan your trip to Belgium by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Belgium, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 62.6 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 37.4 F).

Reviews of airlines servicing Belgium

Get insights into the airlines that provide service to Belgium. 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 Belgium. Reviews last updated June 16, 2025.
Peruse reviews from past customers who have flown with Delta, KLM and SWISS from Colorado to Belgium to help guide your decision. In addition to providing an overall rating, users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very good
7,963 reviews

Crew

8.5

Entertainment

7.9

Comfort

7.9

Boarding

8.2

Food

7.3

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
Delta
8.0
Very good
7,963 reviews
Delta
8.0
Very good
7,963 reviews

Crew

8.5

Entertainment

7.9

Comfort

7.9

Boarding

8.2

Food

7.3

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
KLM
7.8
Good
1,361 reviews
Delta
8.0
Very good
7,963 reviews

Crew

8.5

Entertainment

7.9

Comfort

7.9

Boarding

8.2

Food

7.3

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
SWISS
7.5
Good
1,628 reviews
Delta
8.0
Very good
7,963 reviews

Crew

8.5

Entertainment

7.9

Comfort

7.9

Boarding

8.2

Food

7.3

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
United Airlines
7.4
Good
8,801 reviews
Delta
8.0
Very good
7,963 reviews

Crew

8.5

Entertainment

7.9

Comfort

7.9

Boarding

8.2

Food

7.3

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
Brussels Airlines
7.4
Good
355 reviews
Delta
8.0
Very good
7,963 reviews

Crew

8.5

Entertainment

7.9

Comfort

7.9

Boarding

8.2

Food

7.3

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

Related info for your journey

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

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

    One-way options have recently been found by users for as low as $251 on Icelandair. Other airlines that offer cheap prices include British Airways from $463 and United Airlines from $464 one-way.

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

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

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

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

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

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

    Currently, November is the cheapest month in which you can book a flight from Colorado to Belgium (average of $614). Flying from Colorado to Belgium in June is currently the most expensive (average of $1,096). 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 Belgium

See prices for flight routes from nearby airports that may be better suited for you.
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Top 7 airlines flying from Colorado to Belgium

Discover the top 7 airlines that operate flights from Colorado to Belgium. 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 June 16, 2025.
AirlineCheapestAverageFlexibilityOn-time
IcelandairCheapest$496Average$833FlexibilityNo cancel feeOn-time76%
Turkish AirlinesCheapest$526Average$626FlexibilityNo cancel feeOn-time77%
Aer LingusCheapest$614Average$879FlexibilityNo cancel feeOn-timeN/A
British AirwaysCheapest$657Average$846FlexibilityNo cancel feeOn-time70%
United AirlinesCheapest$668Average$867FlexibilityNo cancel feeOn-time69%
Brussels AirlinesCheapest$759Average$1,091FlexibilityNo cancel feeOn-timeN/A
LufthansaCheapest$820Average$1,135FlexibilityNo cancel feeOn-time76%

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