HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Brussels

$230+ 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 8/31. Fares are subject to change and may not be available on all flights or dates of travel.
DEN — BRU
Jul 25 — Aug 11
Sat 7/25
Sat 8/1
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Colorado to Brussels with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

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 June 25, 2026.

This Cheapflightsfares deal was found by Cheapflights users on 6/24. 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 Cheapflightsfares 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 6/24$630
This oojo deal was found by Cheapflights users on 6/24. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/194:40 pm
DEN
-
BRU
1 stop12h 15m
Icelandair
Wed 9/91:50 pm
BRU
-
DEN
1 stop30h 50m
Icelandair
Deal found 6/24$634
This Cheapflightsfares deal was found by Cheapflights users on 6/20. 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 15m
Icelandair
Deal found 6/20$644
This Cheapflightsfares deal was found by Cheapflights users on 6/23. 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 11/253:40 pm
DEN
-
BRU
1 stop12h 15m
Icelandair
Sun 11/2912:50 pm
BRU
-
DEN
1 stop13h 15m
Icelandair
Deal found 6/23$651
This Gotogate deal was found by Cheapflights users on 6/23. 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 9/64:40 pm
DEN
-
BRU
1 stop12h 15m
Icelandair
Thu 9/171:50 pm
BRU
-
DEN
1 stop13h 10m
Icelandair
Deal found 6/23$655
This oojo deal was found by Cheapflights users on 6/21. 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 6/21$661
This FlightHub deal was found by Cheapflights users on 6/21. 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.
Tue 9/14:40 pm
DEN
-
BRU
1 stop12h 15m
Icelandair
Thu 9/171:50 pm
BRU
-
DEN
1 stop13h 10m
Icelandair
Deal found 6/21$669
This Cheapflightsfares deal was found by Cheapflights users on 6/25. 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 10/34:40 pm
DEN
-
BRU
1 stop12h 15m
Icelandair
Mon 10/191:50 pm
BRU
-
DEN
1 stop13h 10m
Icelandair
Deal found 6/25$680
This Cheapflightsfares deal was found by Cheapflights users on 6/24. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/34:40 pm
DEN
-
BRU
1 stop12h 15m
Icelandair
Sat 9/121:50 pm
BRU
-
DEN
1 stop13h 10m
Icelandair
Deal found 6/24$693
This Mytrip deal was found by Cheapflights users on 6/24. 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.
Thu 9/34:40 pm
DEN
-
CRL
3 stops22h 15m
Multiple Airlines
Sat 9/128:45 am
CRL
-
DEN
2 stops34h 37m
Multiple Airlines
Deal found 6/24$817
This Kiwi.com deal was found by Cheapflights users on 6/23. 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.
Sun 9/68:00 pm
DEN
-
CRL
1 stop17h 25m
Multiple Airlines
Thu 9/179:05 pm
CRL
-
DEN
2 stops44h 43m
Multiple Airlines
Deal found 6/23$955
This Mytrip deal was found by Cheapflights users on 6/23. 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.
Tue 8/188:10 pm
DEN
-
CRL
2 stops17h 05m
Multiple Airlines
Mon 8/318:50 am
CRL
-
DEN
2 stops18h 10m
Multiple Airlines
Deal found 6/23$982

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 June 25, 2026.

Round-trip from

$618
(Gotogate)

One-way from

$230
(Kiwi.com)

Popular in

July

Cheapest in

April

Average price

$787
From Colorado to Brussels
Search Deals
One-way flight from Colorado to Brussels
Search Deals
Highest demand for flights based on searches. 3% 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 June 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 June 25, 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

Sat 10/3

4:40 pm-12:55 pm

1 stop12h 15m

Brussels Bruxelles-National

Mon 10/19

1:50 pm-7:00 pm

1 stop13h 10m

$680

DenverBrussels

DEN - BRU

DENBRU

Denver Intl

Wed 11/25

3:40 pm-11:55 am

1 stop12h 15m

Brussels Bruxelles-National

Sun 11/29

12:50 pm-6:05 pm

1 stop13h 15m

$685

DenverBrussels

DEN - BRU

DENBRU

Denver Intl

Mon 11/9

5:35 pm-1:15 pm

1 stop11h 40m

Brussels Bruxelles-National

Thu 11/12

10:00 am-8:27 pm

1 stop18h 27m

$757

DenverBrussels

DEN - BRU

DENBRU

Denver Intl

Sat 11/21

11:59 pm-7:50 am

2 stops23h 51m

Brussels Bruxelles-National

Mon 11/30

4:55 pm-2:25 pm

1 stop29h 30m

$818

DenverBrussels

DEN - BRU

DENBRU

Denver Intl

Wed 8/19

12:22 pm-1:15 pm

2 stops16h 53m

Brussels Bruxelles-National

Wed 9/9

9:10 am-7:27 pm

2 stops18h 17m

$848

DenverBrussels

DEN - BRU

DENBRU

Denver Intl

Tue 8/18

2:21 pm-6:20 pm

2 stops19h 59m

Brussels Bruxelles-National

Mon 8/31

7:05 pm-5:37 pm

2 stops30h 32m

$874

DenverBrussels

DEN - BRU

DENBRU

Denver Intl

Mon 8/3

6:00 am-7:10 am

2 stops17h 10m

Brussels Bruxelles-National

Wed 8/12

9:30 am-6:55 pm

1 stop17h 25m

$911

DenverBrussels

DEN - BRU

DENBRU

Denver Intl

Wed 8/5

10:20 am-7:25 am

1 stop13h 05m

Brussels Bruxelles-National

Thu 8/13

9:55 am-8:22 pm

1 stop18h 27m

$912

DenverBrussels

DEN - BRU

DENBRU

Denver Intl

Wed 7/22

5:35 pm-8:00 pm

1 stop18h 25m

Brussels Bruxelles-National

Wed 7/29

10:30 am-12:30 am

2 stops22h 00m

$932

DenverBrussels

DEN - BRU

DENBRU

Denver Intl

Wed 8/19

6:40 am-8:30 pm

2 stops29h 50m

Brussels Bruxelles-National

Wed 9/9

5:45 am-10:35 pm

3 stops24h 50m

$935

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/23

Showing 1-10 of 51 resultsSorted by cheapest first
1
2
3
...
6

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 11h 40m. Fly via Icelandair, United 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, 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 $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 June 25, 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$818FlexibilityNo cancel feeOn-time69%
LufthansaCheapest$689Average$735FlexibilityNo cancel feeOn-time76%

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.