HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Belgium

$253+ Cheap flights from Colorado to Belgium

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 29 — Sep 51
Sat 8/29
Sat 9/5
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Colorado to Belgium 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 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 July 30, 2026.

This oojo 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 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 7/29$502
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 7/29. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/73:40 pm
DEN
-
BRU
1 stop12h 15m
Icelandair
Tue 12/1512:50 pm
BRU
-
DEN
1 stop13h 10m
Icelandair
Deal found 7/29$532
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 Gotogate 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 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 10/31:50 pm
BRU
-
DEN
1 stop13h 10m
Icelandair
Deal found 7/29$584
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 7/29. 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.
Tue 8/188:10 pm
DEN
-
BRU
1 stop32h 45m
Icelandair
Mon 8/311:50 pm
BRU
-
DEN
1 stop13h 10m
Icelandair
Deal found 7/29$632
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 7/29. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/1811:20 am
DEN
-
CRL
2 stops21h 45m
Multiple Airlines
Thu 11/265:30 pm
CRL
-
DEN
2 stops30h 05m
Multiple Airlines
Deal found 7/29$833
This Mytrip 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/2211:25 am
DEN
-
CRL
2 stops26h 25m
Multiple Airlines
Mon 9/289:15 pm
CRL
-
DEN
3 stops33h 53m
Multiple Airlines
Deal found 7/29$868
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 Belgium

Keep the following information in mind while searching for Colorado to Belgium flight deals. Data was last updated July 30, 2026.

Round-trip from

$502
(oojo)

One-way from

$253
(Kiwi.com)

Popular in

December

Cheapest in

April

Average price

$858
From Colorado to Belgium
Search Deals
One-way flight from Colorado to Belgium
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 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 July 30, 2026.
Use the filters below to find and compare flights from Colorado to Belgium that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

DenverBrussels

DEN - BRU

DENBRU

Denver Intl

Sun 11/15

5:35 pm-1:15 pm

1 stop11h 40m

Brussels Bruxelles-National

Thu 11/19

10:00 am-8:27 pm

1 stop18h 27m

$757

DenverBrussels

DEN - BRU

DENBRU

Denver Intl

Sun 11/22

8:25 pm-8:55 am

1 stop28h 30m

Brussels Bruxelles-National

Mon 11/30

1:45 pm-2:30 pm

1 stop32h 45m

$796

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

8:09 am-8:55 am

1 stop16h 46m

Brussels Bruxelles-National

Sat 11/7

10:10 am-9:57 pm

1 stop19h 47m

$805

DenverBrussels

DEN - BRU

DENBRU

Denver Intl

Tue 9/22

12:25 pm-10:35 pm

2 stops26h 10m

Brussels Bruxelles-National

Mon 9/28

7:05 pm-5:42 pm

2 stops30h 37m

$825

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

11:20 am-5:05 pm

2 stops21h 45m

Charleroi Brussels

Thu 11/26

5:30 pm-3:35 pm

2 stops30h 05m

$833

DenverBrussels

DEN - BRU

DENBRU

Denver Intl

Wed 8/26

1:25 pm-1:15 pm

2 stops15h 50m

Brussels Bruxelles-National

Wed 9/2

9:30 am-5:56 pm

2 stops16h 26m

$853
Quickest round-trip

DenverBrussels

DEN - BRU

DENBRU

Denver Intl

Fri 10/9

5:35 pm-1:15 pm

1 stop11h 40m

Brussels Bruxelles-National

Fri 10/16

9:10 am-6:46 pm

1 stop17h 36m

$857

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 51 resultsSorted by cheapest first
1
2
3
...
6

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, April is the cheapest month in which you can book a flight from Colorado to Belgium (average of $680). Flying from Colorado to Belgium 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 far ahead should I book a flight from Colorado to Belgium?

The price you pay for your flight from Colorado to Belgium may vary depending on when you book. For the best chance of a lower fare, look to book 68 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.

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 11h 40m. United Airlines provides one of the quickest options available for as low as $772. There are 4848 mi between Colorado and Belgium. This flight may include one or multiple stops.

  • What are the cheapest airlines to fly from Colorado to Belgium 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.

  • 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, April is the cheapest month in which you can book a flight from Colorado to Belgium (average of $680). Flying from Colorado to Belgium 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.

Alternative routes for Colorado to Belgium

See prices for flight routes from nearby airports that may be better suited for you.
John F Kennedy Intl to Heathrow flights
Newark to Heathrow flights
John F Kennedy Intl to Charles de Gaulle flights
Newark to Charles de Gaulle flights
John F Kennedy Intl to Leonardo da Vinci/Fiumicino flights
Newark to Leonardo da Vinci/Fiumicino flights
LaGuardia to Heathrow flights
Newark to Gatwick flights
John F Kennedy Intl to London City flights
John F Kennedy Intl to Gatwick flights
Dulles Intl to Heathrow flights
John F Kennedy Intl to Barcelona-El Prat flights
Boston to Heathrow flights
Newark to Athens flights
Newark to Madrid flights
John F Kennedy Intl to Orly flights
Newark to Dublin flights
John F Kennedy Intl to Madrid flights
Newark to Barcelona-El Prat flights
Miami to Madrid flights
Baltimore to Heathrow flights
John F Kennedy Intl to Frederic Chopin flights
Los Angeles to Heathrow flights
John F Kennedy Intl to Malpensa flights
John F Kennedy Intl to Athens flights
Newark to Orly flights
John F Kennedy Intl to Dublin flights
John F Kennedy Intl to Lisbon flights
Newark to Malpensa flights
San Francisco to Heathrow flights
LaGuardia to Gatwick flights
John F Kennedy Intl to Istanbul flights
Boston to Charles de Gaulle flights
O'Hare Intl to Heathrow flights
Dulles Intl to Charles de Gaulle flights
Boston to Dublin flights
Los Angeles to Leonardo da Vinci/Fiumicino flights
Newark to Frankfurt flights
Newark to Lisbon flights
Dallas/Fort Worth to Heathrow flights
O'Hare Intl to Charles de Gaulle flights
Seattle to Heathrow flights
Los Angeles to Charles de Gaulle flights
O'Hare Intl to Leonardo da Vinci/Fiumicino flights
Boston to Leonardo da Vinci/Fiumicino flights
John F Kennedy Intl to Frankfurt flights

Top 5 airlines flying from Colorado to Belgium

Discover the top 5 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 July 30, 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%

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.