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$253+ Cheap flights from Colorado to Brussels

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 8/25. Fares are subject to change and may not be available on all flights or dates of travel.
DEN — BRU
Aug 28 — Sep 41
Fri 8/28
Fri 9/4
1 adult, Economy
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Cheap flight deals from Colorado to Brussels

Cheapest flights from Colorado to Brussels
Explore the most affordable flight options available from Colorado to Brussels. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 29, 2026.

This oojo deal was found by Cheapflights users on 7/28. 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.
Wed 11/183:40 pm
DEN
-
BRU
1 stop12h 15m
Icelandair
Thu 11/2612:50 pm
BRU
-
DEN
1 stop13h 10m
Icelandair
Deal found 7/28$507
This Justfly.com deal was found by Cheapflights users on 7/27. 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 Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/233:40 pm
DEN
-
BRU
1 stop12h 15m
Icelandair
Thu 12/312:50 pm
BRU
-
DEN
1 stop13h 10m
Icelandair
Deal found 7/27$516
This Kiwi.com deal was found by Cheapflights users on 7/27. 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.
Mon 11/233:40 pm
DEN
-
BRU
1 stop12h 15m
Icelandair
Sun 12/612:50 pm
BRU
-
DEN
1 stop13h 10m
Icelandair
Deal found 7/27$536
This oojo deal was found by Cheapflights users on 7/26. 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.
Wed 10/284:40 pm
DEN
-
BRU
1 stop12h 15m
Icelandair
Tue 11/312:50 pm
BRU
-
DEN
1 stop13h 10m
Icelandair
Deal found 7/26$551
This Mytrip deal was found by Cheapflights users on 7/26. 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.
Sun 9/204:40 pm
DEN
-
BRU
1 stop12h 15m
Icelandair
Sat 10/31:50 pm
BRU
-
DEN
1 stop13h 10m
Icelandair
Deal found 7/26$587
This Mytrip deal was found by Cheapflights users on 7/24. 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.
Fri 10/24:40 pm
DEN
-
BRU
1 stop12h 15m
Icelandair
Fri 10/161:50 pm
BRU
-
DEN
1 stop13h 10m
Icelandair
Deal found 7/24$591
This Gotogate deal was found by Cheapflights users on 7/27. 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.
Sun 9/204:40 pm
DEN
-
BRU
1 stop12h 15m
Icelandair
Sat 9/261:50 pm
BRU
-
DEN
1 stop13h 10m
Icelandair
Deal found 7/27$604
This oojo deal was found by Cheapflights users on 7/28. 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.
Tue 8/188:10 pm
DEN
-
BRU
1 stop32h 45m
Icelandair
Mon 8/311:50 pm
BRU
-
DEN
1 stop13h 10m
Icelandair
Deal found 7/28$637
This Gotogate deal was found by Cheapflights users on 7/24. 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 9/108:10 pm
DEN
-
BRU
1 stop32h 45m
Icelandair
Sat 9/261:50 pm
BRU
-
DEN
1 stop13h 10m
Icelandair
Deal found 7/24$654
This United Airlines deal was found by Cheapflights users on 7/26. 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.
Sun 11/18:09 am
COS
-
BRU
1 stop16h 46m
United Airlines
Sat 11/710:10 am
BRU
-
COS
1 stop19h 47m
United Airlines
Deal found 7/26$805
This Mytrip deal was found by Cheapflights users on 7/24. 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.
Wed 11/184:15 pm
DEN
-
CRL
2 stops19h 50m
Multiple Airlines
Thu 11/268:30 pm
CRL
-
DEN
3 stops29h 43m
Multiple Airlines
Deal found 7/24$838
This United Airlines deal was found by Cheapflights users on 7/29. 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 11/216:25 pm
COS
-
BRU
2 stops28h 50m
United Airlines
Mon 11/3011:55 am
BRU
-
COS
2 stops29h 10m
United Airlines
Deal found 7/29$896

Find flight deals from Colorado to Brussels

Keep the following information in mind while searching for Colorado to Brussels flight deals. Data was last updated July 29, 2026.

Round-trip from

$507
(oojo)

One-way from

$253
(Kiwi.com)

Popular in

December

Cheapest in

April

Average price

$858
From Colorado to Brussels
Search Deals
One-way flight from Colorado to Brussels
Search Deals
Highest demand for flights based on searches. 4% potential increase in price ($33 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 1% potential price decrease ($10 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in July 2026
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Colorado to Brussels 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 July 29, 2026.
Use the filters below to find and compare flights from Colorado to Brussels that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip
Quickest round-trip

DenverBrussels

DEN - BRU

DENBRU

Denver Intl

Sun 12/6

5:35 pm-1:15 pm

1 stop11h 40m

Brussels Bruxelles-National

Thu 12/10

10:00 am-8:27 pm

1 stop18h 27m

$762

DenverBrussels

DEN - BRU

DENBRU

Denver Intl

Sun 11/22

7:12 pm-8:55 am

1 stop29h 43m

Brussels Bruxelles-National

Mon 11/30

12:45 pm-2:30 pm

1 stop33h 45m

$801

DenverBrussels

DEN - BRU

DENBRU

Denver Intl

Tue 9/15

8:30 pm-1:25 pm

1 stop32h 55m

Brussels Bruxelles-National

Tue 9/22

7:20 am-6:25 pm

1 stop19h 05m

$803

Colorado SpringsBrussels

COS - BRU

COSBRU

Colorado Springs

Sun 11/1

6:25 pm-1:15 pm

2 stops34h 50m

Brussels Bruxelles-National

Sat 11/7

10:10 am-9:57 pm

1 stop19h 47m

$806

DenverBrussels

DEN - BRU

DENBRU

Denver Intl

Sun 11/22

7:30 pm-10:35 am

1 stop31h 05m

Brussels Bruxelles-National

Mon 11/30

6:30 am-5:25 pm

1 stop18h 55m

$813

DenverBrussels

DEN - BRU

DENBRU

Denver Intl

Sun 11/22

10:37 am-6:25 pm

2 stops23h 48m

Brussels Bruxelles-National

Mon 11/30

7:45 pm-8:13 am

2 stops20h 28m

$827

DenverBrussels

DEN - BRU

DENBRU

Denver Intl

Sat 11/21

3:01 pm-8:55 am

1 stop33h 54m

Brussels Bruxelles-National

Mon 11/30

1:50 pm-2:30 pm

1 stop32h 40m

$830

DenverBrussels

DEN - CRL

DENCRL

Denver Intl

Wed 11/18

4:15 pm-8:05 pm

2 stops19h 50m

Charleroi Brussels

Thu 11/26

8:30 pm-6:13 pm

3 stops29h 43m

$838

DenverBrussels

DEN - BRU

DENBRU

Denver Intl

Sat 10/10

8:30 pm-9:25 pm

1 stop16h 55m

Brussels Bruxelles-National

Thu 10/15

7:20 am-6:25 pm

1 stop19h 05m

$853

DenverBrussels

DEN - BRU

DENBRU

Denver Intl

Wed 9/16

9:40 am-7:10 am

1 stop13h 30m

Brussels Bruxelles-National

Tue 9/22

9:10 am-6:46 pm

1 stop17h 36m

$863

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/25

Showing 1-10 of 39 resultsSorted by cheapest first
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Best time to book a flight from Colorado to Brussels

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

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

Currently, April is the cheapest month in which you can book a flight from Colorado to Brussels (average of $680). Flying from Colorado to Brussels in December is currently the most expensive (average of $881). 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.

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

Airfare is below average for this route at the moment.
Colorado to Brussels flights typically cost between $699 and $1,021 in November.
The cheapest round-trip price found within the last 5 days was $507 on Icelandair (Nov 18-Nov 26).

How far ahead should I book a flight from Colorado to Brussels?

To ensure you get the cheapest price possible for a flight from Colorado to Brussels, you should look to book at least 68 days in advance of your intended travel date. The price of your flight may increase if you delay and leave booking until a week or so before departure.

Related info for your journey

Find useful and relevant information for your journey from Colorado to Brussels. 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 Brussels?

    There are many flights that can get you from Colorado to Brussels in 11h 40m. Fly via United Airlines, Turkish Airlines, or Delta to get the fastest option. The distance between Colorado and Brussels is about 4848 mi. This flight may include one or multiple stops.

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

    One-way options have recently been found by users for as low as $240 on Icelandair. Other airlines that offer cheap prices include British Airways from $334 and United Airlines from $344 one-way.

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

    Most travelers choose Denver Intl - Brussels Bruxelles-National, Colorado Springs - Brussels Bruxelles-National or Denver Intl - Charleroi Brussels when deciding on the best route from Colorado to Brussels.

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

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

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

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

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

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

    Currently, April is the cheapest month in which you can book a flight from Colorado to Brussels (average of $680). Flying from Colorado to Brussels in December is currently the most expensive (average of $881). 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

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Top 5 airlines flying from Colorado to Brussels

Discover the top 5 airlines that operate flights from Colorado to Brussels. 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 July 29, 2026.
AirlineCheapestAverageFlexibilityOn-time
British AirwaysCheapest$492Average$799FlexibilityNo cancel feeOn-time70%
IcelandairCheapest$565Average$783FlexibilityNo cancel feeOn-time76%
Brussels AirlinesCheapest$593Average$908FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$642Average$829FlexibilityNo cancel feeOn-time69%
LufthansaCheapest$691Average$741FlexibilityNo cancel feeOn-time76%

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