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$334+ 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 8/2. Fares are subject to change and may not be available on all flights or dates of travel.
DEN — BRU
May 31 — Jun 71
Sun 5/31
Sun 6/7
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 May 1, 2026.

This Justfly.com deal was found by Cheapflights users on 4/30. 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 Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/18:25 pm
DEN
-
BRU
1 stop17h 00m
Turkish Airlines
Sun 10/117:20 am
BRU
-
DEN
1 stop19h 05m
Turkish Airlines
Deal found 4/30$745
This FlightHub deal was found by Cheapflights users on 4/26. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/18:25 pm
DEN
-
BRU
1 stop17h 00m
Turkish Airlines
Thu 10/87:20 am
BRU
-
DEN
1 stop19h 05m
Turkish Airlines
Deal found 4/26$749
This United Airlines deal was found by Cheapflights users on 4/30. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/1612:16 pm
COS
-
BRU
2 stops36h 39m
United Airlines
Wed 11/1811:55 am
BRU
-
COS
2 stops17h 45m
United Airlines
Deal found 4/30$754
This oojo deal was found by Cheapflights users on 4/29. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/98:25 pm
DEN
-
BRU
1 stop29h 30m
Turkish Airlines
Sun 9/67:20 am
BRU
-
DEN
1 stop19h 05m
Turkish Airlines
Deal found 4/29$758
This oojo deal was found by Cheapflights users on 4/28. 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 9/38:25 pm
DEN
-
BRU
1 stop17h 00m
Turkish Airlines
Sat 9/127:20 am
BRU
-
DEN
1 stop19h 05m
Turkish Airlines
Deal found 4/28$759
This Gotogate deal was found by Cheapflights users on 5/1. 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 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
Thu 9/171:50 pm
BRU
-
DEN
1 stop13h 10m
Icelandair
Deal found 5/1$761
This oojo deal was found by Cheapflights users on 4/26. 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.
Thu 9/38:25 pm
DEN
-
BRU
1 stop17h 00m
Turkish Airlines
Tue 9/87:20 am
BRU
-
DEN
1 stop19h 05m
Turkish Airlines
Deal found 4/26$762
This AirNGo deal was found by Cheapflights users on 4/27. 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 AirNGo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/19:40 am
DEN
-
BRU
1 stop13h 30m
Air Canada
Tue 9/89:25 am
BRU
-
DEN
1 stop17h 21m
Air Canada
Deal found 4/27$767
This oojo deal was found by Cheapflights users on 4/30. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/68:25 pm
DEN
-
BRU
1 stop17h 00m
Turkish Airlines
Tue 10/137:20 am
BRU
-
DEN
1 stop19h 05m
Turkish Airlines
Deal found 4/30$771
This Cheapflightsfares deal was found by Cheapflights users on 4/26. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/1411:25 am
DEN
-
BRU
1 stop11h 45m
Multiple Airlines
Tue 9/298:40 am
BRU
-
DEN
1 stop13h 40m
Multiple Airlines
Deal found 4/26$776
This AirNGo deal was found by Cheapflights users on 4/27. 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 AirNGo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/12:23 pm
DEN
-
BRU
2 stops19h 57m
Finnair
Tue 9/811:20 am
BRU
-
DEN
2 stops19h 33m
Finnair
Deal found 4/27$783
This United Airlines deal was found by Cheapflights users on 4/28. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/148:29 pm
DEN
-
BRU
1 stop28h 31m
United Airlines
Tue 9/299:25 am
BRU
-
DEN
1 stop33h 06m
United Airlines
Deal found 4/28$788

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 May 1, 2026.

Round-trip from

$745
(FlightHub)

One-way from

$334
(Kiwi.com)

Popular in

July

Cheapest in

April

Average price

$762
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 May 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 May 1, 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

DenverBrussels

DEN - BRU

DENBRU

Denver Intl

Wed 7/8

11:08 am-2:40 pm

2 stops19h 32m

Brussels Bruxelles-National

Wed 8/19

6:20 am-5:38 pm

2 stops19h 18m

$1,015

DenverBrussels

DEN - CRL

DENCRL

Denver Intl

Sun 7/19

4:40 pm-10:55 pm

2 stops22h 15m

Charleroi Brussels

Mon 7/27

9:40 am-12:40 pm

2 stops35h 00m

$1,068
Quickest round-trip

DenverBrussels

DEN - BRU

DENBRU

Denver Intl

Mon 7/6

9:40 am-7:40 am

1 stop14h 00m

Brussels Bruxelles-National

Mon 8/17

3:10 pm-11:45 pm

2 stops16h 35m

$1,076

DenverBrussels

DEN - BRU

DENBRU

Denver Intl

Sun 5/31

7:13 pm-7:15 am

1 stop28h 02m

Brussels Bruxelles-National

Sun 6/7

9:45 am-10:34 am

1 stop32h 49m

$1,105

DenverBrussels

DEN - BRU

DENBRU

Denver Intl

Sat 6/20

6:10 pm-7:50 am

1 stop29h 40m

Brussels Bruxelles-National

Sat 7/4

10:15 am-11:49 pm

1 stop21h 34m

$1,127

DenverBrussels

DEN - BRU

DENBRU

Denver Intl

Wed 7/22

9:40 am-7:10 am

1 stop13h 30m

Brussels Bruxelles-National

Sat 8/1

10:15 am-6:42 am

1 stop28h 27m

$1,129

DenverBrussels

DEN - BRU

DENBRU

Denver Intl

Sun 5/31

6:05 am-9:40 am

2 stops19h 35m

Brussels Bruxelles-National

Sun 6/7

6:20 am-5:39 pm

2 stops19h 19m

$1,141

DenverBrussels

DEN - BRU

DENBRU

Denver Intl

Tue 6/9

8:25 pm-9:25 pm

1 stop17h 00m

Brussels Bruxelles-National

Sat 6/13

6:50 pm-6:25 pm

1 stop31h 35m

$1,160

DenverBrussels

DEN - CRL

DENCRL

Denver Intl

Sun 8/9

4:40 pm-10:55 pm

2 stops22h 15m

Charleroi Brussels

Sun 9/6

9:05 am-7:00 pm

2 stops17h 55m

$1,161

DenverBrussels

DEN - CRL

DENCRL

Denver Intl

Tue 8/18

4:40 pm-3:30 pm

2 stops14h 50m

Charleroi Brussels

Mon 8/31

7:15 am-6:15 pm

2 stops19h 00m

$1,165

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/30

Showing 1-10 of 48 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

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 76 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.

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 $636). 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?

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. Fly via Delta, KLM, or United Airlines 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, Denver Intl - Charleroi Brussels or Colorado Springs - Brussels Bruxelles-National 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 $636). 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 May 1, 2026.
AirlineCheapestAverageFlexibilityOn-time
British AirwaysCheapest$492Average$800FlexibilityNo cancel feeOn-time70%
IcelandairCheapest$556Average$742FlexibilityNo cancel feeOn-time76%
Brussels AirlinesCheapest$593Average$908FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$642Average$814FlexibilityNo cancel feeOn-time69%
LufthansaCheapest$689Average$742FlexibilityNo cancel feeOn-time76%

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