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$240+ 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 7/24. Fares are subject to change and may not be available on all flights or dates of travel.
DEN — BRU
Aug 2 — Aug 91
Sun 8/2
Sun 8/9
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 3, 2026.

This oojo deal was found by Cheapflights users on 7/1. 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 8/184:40 pm
DEN
-
BRU
1 stop12h 15m
Icelandair
Mon 8/311:50 pm
BRU
-
DEN
1 stop13h 10m
Icelandair
Deal found 7/1$625
This oojo deal was found by Cheapflights users on 7/2. 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 8/114:40 pm
DEN
-
BRU
1 stop12h 15m
Icelandair
Mon 8/241:50 pm
BRU
-
DEN
1 stop30h 50m
Icelandair
Deal found 7/2$633
This oojo deal was found by Cheapflights users on 6/28. 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.
Thu 9/108:10 pm
DEN
-
BRU
1 stop32h 45m
Icelandair
Thu 9/171:50 pm
BRU
-
DEN
1 stop13h 10m
Icelandair
Deal found 6/28$662
This United Airlines deal was found by Cheapflights users on 7/2. 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 12/112:16 pm
COS
-
BRU
2 stops16h 59m
United Airlines
Tue 12/810:00 am
BRU
-
COS
2 stops33h 18m
United Airlines
Deal found 7/2$726
This United Airlines deal was found by Cheapflights users on 6/29. 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.
Mon 12/75:35 pm
DEN
-
BRU
1 stop11h 40m
United Airlines
Fri 12/1110:00 am
BRU
-
DEN
1 stop18h 27m
United Airlines
Deal found 6/29$756
This Cheapflightsfares deal was found by Cheapflights users on 6/29. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/74:40 pm
DEN
-
BRU
1 stop12h 15m
Icelandair
Wed 9/161:50 pm
BRU
-
DEN
1 stop13h 10m
Icelandair
Deal found 6/29$759
This Cheapflightsfares deal was found by Cheapflights users on 7/1. 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.
Sat 11/213:40 pm
DEN
-
BRU
1 stop12h 15m
Icelandair
Sun 11/2912:50 pm
BRU
-
DEN
1 stop13h 10m
Icelandair
Deal found 7/1$762
This Air Canada deal was found by Cheapflights users on 6/30. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/79:58 am
DEN
-
BRU
2 stops19h 17m
Air Canada
Fri 12/1110:00 am
BRU
-
DEN
1 stop18h 27m
Air Canada
Deal found 6/30$764
This American Airlines deal was found by Cheapflights users on 7/2. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/112:45 pm
COS
-
BRU
2 stops20h 15m
American Airlines
Tue 12/812:00 pm
BRU
-
COS
3 stops19h 48m
American Airlines
Deal found 7/2$769
This United Airlines deal was found by Cheapflights users on 7/2. 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 12/59:20 am
COS
-
BRU
2 stops38h 30m
United Airlines
Sat 12/1210:10 am
BRU
-
COS
1 stop19h 30m
United Airlines
Deal found 7/2$803
This Air Canada deal was found by Cheapflights users on 7/2. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/512:16 pm
COS
-
BRU
2 stops35h 34m
Multiple Airlines
Sat 12/1210:00 am
BRU
-
COS
2 stops31h 05m
Multiple Airlines
Deal found 7/2$806
This United Airlines deal was found by Cheapflights users on 7/2. 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.
Thu 12/107:00 am
COS
-
BRU
2 stops22h 15m
United Airlines
Sun 12/2010:10 am
BRU
-
COS
1 stop19h 30m
United Airlines
Deal found 7/2$846

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 3, 2026.

Round-trip from

$625
(oojo)

One-way from

$240
(Kiwi.com)

Popular in

July

Cheapest in

April

Average price

$887
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 ($32 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
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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 3, 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

Colorado SpringsBrussels

COS - BRU

COSBRU

Colorado Springs

Tue 12/1

9:20 am-8:55 am

1 stop15h 35m

Brussels Bruxelles-National

Tue 12/8

10:00 am-11:18 am

2 stops33h 18m

$730
Quickest round-trip

DenverBrussels

DEN - BRU

DENBRU

Denver Intl

Mon 12/7

5:35 pm-1:15 pm

1 stop11h 40m

Brussels Bruxelles-National

Fri 12/11

10:00 am-8:27 pm

1 stop18h 27m

$756

DenverBrussels

DEN - BRU

DENBRU

Denver Intl

Sun 11/22

5:35 pm-1:15 pm

1 stop11h 40m

Brussels Bruxelles-National

Mon 11/30

12:45 pm-2:30 pm

1 stop33h 45m

$806

Colorado SpringsBrussels

COS - BRU

COSBRU

Colorado Springs

Thu 12/10

7:00 am-1:15 pm

2 stops22h 15m

Brussels Bruxelles-National

Sun 12/20

10:10 am-9:40 pm

1 stop19h 30m

$846

Colorado SpringsBrussels

COS - BRU

COSBRU

Colorado Springs

Sat 12/5

12:16 pm-8:55 am

1 stop12h 39m

Brussels Bruxelles-National

Sat 12/12

10:10 am-9:40 pm

1 stop19h 30m

$850

DenverBrussels

DEN - BRU

DENBRU

Denver Intl

Sat 11/21

3:00 pm-8:55 am

1 stop33h 55m

Brussels Bruxelles-National

Sun 11/29

10:00 am-8:27 pm

1 stop18h 27m

$870

DenverBrussels

DEN - BRU

DENBRU

Denver Intl

Thu 10/15

4:18 pm-2:40 pm

2 stops14h 22m

Brussels Bruxelles-National

Tue 10/20

10:25 am-8:03 pm

2 stops17h 38m

$872

DenverBrussels

DEN - BRU

DENBRU

Denver Intl

Tue 8/18

6:56 am-6:20 pm

2 stops27h 24m

Brussels Bruxelles-National

Mon 8/31

7:05 pm-5:37 pm

2 stops30h 32m

$874

DenverBrussels

DEN - BRU

DENBRU

Denver Intl

Wed 12/23

4:30 pm-10:55 am

1 stop34h 25m

Brussels Bruxelles-National

Sun 12/27

12:55 pm-5:22 pm

1 stop36h 27m

$889

Colorado SpringsBrussels

COS - BRU

COSBRU

Colorado Springs

Sun 8/2

3:02 pm-1:15 pm

2 stops14h 13m

Brussels Bruxelles-National

Thu 8/13

11:10 am-9:56 pm

2 stops18h 46m

$900

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/30

Showing 1-10 of 56 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, December is the cheapest month in which you can book a flight from Colorado to Brussels (average of $426). Flying from Colorado to Brussels in June is currently the most expensive (average of $690). 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?

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 71 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 14h 22m. Fly via United Airlines or KLM 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, December is the cheapest month in which you can book a flight from Colorado to Brussels (average of $426). Flying from Colorado to Brussels in June is currently the most expensive (average of $690). 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 3, 2026.
AirlineCheapestAverageFlexibilityOn-time
British AirwaysCheapest$492Average$799FlexibilityNo cancel feeOn-time70%
IcelandairCheapest$560Average$777FlexibilityNo cancel feeOn-time76%
Brussels AirlinesCheapest$593Average$908FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$642Average$821FlexibilityNo cancel feeOn-time69%
LufthansaCheapest$689Average$736FlexibilityNo cancel feeOn-time76%

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