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$485+ Cheap flights from Colorado to Belgium

This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 1/30. Fares are subject to change and may not be available on all flights or dates of travel.
DEN — BRU
ene. 15 — ene. 221
jue. 1/15
jue. 1/22
1 adult, Economy
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Cheap 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 diciembre 16, 2025.

This oojo deal was found by Cheapflights users on 12/14. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 12/167:20 pmDEN - BRU
1 stop38h 00mTurkish Airlines
vie. 12/263:15 pmBRU - DEN
1 stop34h 20mTurkish Airlines
Deal found 12/14$1,414
This Cheapflightsfares deal was found by Cheapflights users on 12/14. 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.
mar. 12/231:48 pmCOS - BRU
2 stops22h 07mLufthansa
mar. 12/3010:10 amBRU - COS
1 stop19h 40mLufthansa
Deal found 12/14$1,498
This United Airlines deal was found by Cheapflights users on 12/16. 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.
mar. 12/231:48 pmCOS - BRU
2 stops34h 02mUnited Airlines
mar. 12/3010:10 amBRU - COS
1 stop19h 40mUnited Airlines
Deal found 12/16$1,606
This oojo deal was found by Cheapflights users on 12/14. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sáb. 12/203:40 pmDEN - BRU
1 stop12h 15mMultiple Airlines
vie. 1/168:30 pmBRU - DEN
2 stops29h 35mMultiple Airlines
Deal found 12/14$1,616
This FlightHub deal was found by Cheapflights users on 12/16. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 12/235:30 pmDEN - BRU
2 stops30h 20mMultiple Airlines
mar. 12/3010:00 amBRU - DEN
1 stop17h 55mMultiple Airlines
Deal found 12/16$1,728
This Cheapflightsfares deal was found by Cheapflights users on 12/15. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 12/235:35 pmDEN - BRU
2 stops18h 20mLufthansa
mar. 12/307:00 amBRU - DEN
2 stops17h 29mLufthansa
Deal found 12/15$1,753
This Cheapflightsfares deal was found by Cheapflights users on 12/15. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 12/1811:20 amDEN - BRU
1 stop13h 35mLufthansa
mié. 12/247:00 amBRU - DEN
1 stop14h 40mLufthansa
Deal found 12/15$1,761
This Cheapflightsfares deal was found by Cheapflights users on 12/13. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 12/225:35 pmDEN - BRU
2 stops18h 20mLufthansa
lun. 12/297:30 pmBRU - DEN
2 stops34h 36mLufthansa
Deal found 12/13$1,771
This Icelandair deal was found by Cheapflights users on 12/14. 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 Icelandair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 12/163:40 pmDEN - BRU
2 stops14h 50mMultiple Airlines
vie. 12/2612:50 pmBRU - DEN
1 stop13h 15mMultiple Airlines
Deal found 12/14$1,777
This Cheapflightsfares deal was found by Cheapflights users on 12/14. 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.
dom. 12/215:35 pmDEN - BRU
2 stops18h 20mLufthansa
lun. 1/57:30 pmBRU - DEN
2 stops27h 05mLufthansa
Deal found 12/14$1,786
This lastminute.com deal was found by Cheapflights users on 12/14. 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 lastminute.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 12/293:38 pmCOS - BRU
2 stops17h 37mLufthansa
vie. 1/211:55 amBRU - COS
2 stops37h 50mLufthansa
Deal found 12/14$1,971
This United Airlines deal was found by Cheapflights users on 12/14. 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.
lun. 12/293:38 pmCOS - BRU
2 stops13h 37mUnited Airlines
vie. 1/210:10 amBRU - COS
1 stop19h 40mUnited Airlines
Deal found 12/14$2,009

Find flight deals from Colorado to Belgium

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

Round-trip from

$485
(United Airlines)

Popular in

June

Cheapest in

January

Average price

$881
From Colorado to Belgium
Search Deals
Highest demand for flights based on searches. 12% potential increase in price ($112 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($23 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in December 2025
Search Deals

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 diciembre 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

Colorado SpringsBrussels

COS - BRU

COSBRU

Colorado Springs

vie. 1/30

3:30 pm-1:15 pm

2 stops13h 45m

Brussels Bruxelles-National

vie. 2/6

10:00 am-11:02 am

2 stops33h 02m

$485

Colorado SpringsBrussels

COS - BRU

COSBRU

Colorado Springs

jue. 1/29

5:50 am-7:50 am

2 stops18h 00m

Brussels Bruxelles-National

jue. 2/5

10:00 am-12:22 pm

2 stops34h 22m

$505

Colorado SpringsBrussels

COS - BRU

COSBRU

Colorado Springs

jue. 1/29

1:25 pm-1:15 pm

2 stops15h 50m

Brussels Bruxelles-National

lun. 2/2

10:00 am-12:22 pm

2 stops34h 22m

$507

Colorado SpringsBrussels

COS - BRU

COSBRU

Colorado Springs

mié. 1/28

3:30 pm-1:15 pm

2 stops13h 45m

Brussels Bruxelles-National

mié. 2/4

5:00 pm-10:57 am

2 stops25h 57m

$509

Colorado SpringsBrussels

COS - BRU

COSBRU

Colorado Springs

jue. 1/29

11:43 am-8:55 am

1 stop13h 12m

Brussels Bruxelles-National

jue. 2/5

9:00 am-10:06 pm

2 stops21h 06m

$515

DenverBrussels

DEN - BRU

DENBRU

Denver Intl

vie. 1/16

7:20 pm-5:05 pm

1 stop37h 45m

Brussels Bruxelles-National

sáb. 1/24

7:50 am-5:35 pm

1 stop17h 45m

$630

DenverBrussels

DEN - BRU

DENBRU

Denver Intl

mié. 1/14

1:10 pm-7:50 pm

2 stops22h 40m

Brussels Bruxelles-National

vie. 1/30

10:20 am-11:11 pm

2 stops20h 51m

$653

DenverBrussels

DEN - BRU

DENBRU

Denver Intl

dom. 5/10

8:25 pm-1:25 pm

1 stop33h 00m

Brussels Bruxelles-National

sáb. 5/16

6:50 pm-6:25 pm

1 stop31h 35m

$656

DenverBrussels

DEN - BRU

DENBRU

Denver Intl

lun. 4/27

6:30 am-10:40 am

2 stops20h 10m

Brussels Bruxelles-National

mié. 5/13

10:20 am-10:58 pm

2 stops20h 38m

$667

DenverBrussels

DEN - BRU

DENBRU

Denver Intl

mar. 2/24

12:55 pm-7:50 pm

2 stops22h 55m

Brussels Bruxelles-National

sáb. 2/28

10:20 am-10:37 pm

2 stops20h 17m

$695

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/14

Showing 1-10 of 19 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, May is the cheapest month in which you can book a flight from Colorado to Belgium (average of $496). Flying from Colorado to Belgium in June is currently the most expensive (average of $709). 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 diciembre 16, 2025.

Unlike in the afternoon, when flights are generally more expensive, you can save up to 18% on flights from Colorado to Belgium by exploring options for tickets at noon.

What is the cheapest day to fly from Colorado to Belgium?

Use this chart to determine the cheapest time to fly round-trip from Colorado to Belgium. Price data was last updated on December 16, 2024.

Travelers seeking maximum savings on their Colorado to Belgium flight should consider departing on Tuesday evenings when fares are most often at their lowest. Saturday at noon flights should be avoided if possible as fares are typically the most expensive at this time.

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.

  • How long is the flight from Colorado to Belgium?

    A quick flight from Colorado to Belgium can take about 13h 45m. United Airlines provides one of the quickest options available for as low as $485. There are 4905 mi between Colorado and Belgium. This flight may include one or multiple stops.

  • 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, May is the cheapest month in which you can book a flight from Colorado to Belgium (average of $496). Flying from Colorado to Belgium in June is currently the most expensive (average of $709). 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 diciembre 16, 2025.
AirlineCheapestAverageFlexibilityOn-time
IcelandairCheapest$496Average$718FlexibilityNo cancel feeOn-time76%
Turkish AirlinesCheapest$545Average$626FlexibilityNo cancel feeOn-time77%
British AirwaysCheapest$636Average$844FlexibilityNo cancel feeOn-time70%
Aer LingusCheapest$640Average$878FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$642Average$833FlexibilityNo cancel feeOn-time69%
LufthansaCheapest$691Average$757FlexibilityNo cancel feeOn-time76%
Brussels AirlinesCheapest$694Average$908FlexibilityNo cancel feeOn-timeN/A

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