HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Belgium

$364+ 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 9/4. Fares are subject to change and may not be available on all flights or dates of travel.
DEN — BRU
May 6 — May 131
Tue 5/6
Tue 5/13
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

Keep the following information in mind while searching for Colorado to Belgium flight deals. Data was last updated May 1, 2025.

Round-trip from

$561
(oojo)

One-way from

$364
(Kiwi.com)

Popular in

December

Cheapest in

January

Average price

$839
From Colorado to Belgium
Search Deals
One-way flight from Colorado to Belgium
Search Deals
High demand for flights, 7% potential price rise
Search Deals
Cheapest flight prices on average. 3% potential price decrease ($26 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in May 2025
Search Deals

Find 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 May 1, 2025.

This FlightHub 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/193:40 pmDEN - BRU
1 stop12h 15mIcelandair
Fri 11/2812:50 pmBRU - DEN
1 stop13h 15mIcelandair
Deal found 4/30$472
This Air Canada 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/1611:15 amDEN - BRU
1 stop12h 40mAir Canada
Wed 11/2610:00 amBRU - DEN
2 stops37h 56mAir Canada
Deal found 4/30$577
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.
Sat 11/158:34 pmDEN - BRU
1 stop28h 21mUnited Airlines
Wed 11/2610:00 amBRU - DEN
1 stop18h 05mUnited Airlines
Deal found 4/30$605
This British Airways 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 British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/165:30 pmDEN - BRU
1 stop15h 10mBritish Airways
Thu 11/2710:15 amBRU - DEN
1 stop13h 10mBritish Airways
Deal found 4/30$609
This FlightHub 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/1711:15 amDEN - BRU
1 stop12h 40mMultiple Airlines
Fri 11/2810:00 amBRU - DEN
1 stop18h 05mMultiple Airlines
Deal found 4/30$628
This Delta 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/1612:20 pmDEN - BRU
1 stop12h 40mDelta
Sat 11/2911:00 amBRU - DEN
1 stop15h 22mDelta
Deal found 4/30$654
This Lufthansa 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 Lufthansa is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/174:25 pmDEN - BRU
1 stop12h 35mLufthansa
Mon 12/17:30 pmBRU - DEN
1 stop28h 25mLufthansa
Deal found 4/30$655
This Scandinavian 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 Scandinavian Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/1812:59 pmDEN - BRU
2 stops22h 51mScandinavian Airlines
Mon 12/110:20 amBRU - DEN
2 stops20h 38mScandinavian Airlines
Deal found 4/30$661
This FlightHub 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/187:35 pmDEN - BRU
1 stop18h 25mTurkish Airlines
Sun 11/307:50 amBRU - DEN
1 stop17h 50mTurkish Airlines
Deal found 4/30$702
This American Airlines 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/56:35 pmDEN - BRU
1 stop18h 40mAmerican Airlines
Tue 9/1610:20 amBRU - DEN
2 stops17h 40mAmerican Airlines
Deal found 4/29$704
This Finnair 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 Finnair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/2412:53 pmDEN - BRU
2 stops25h 42mFinnair
Tue 9/307:05 pmBRU - DEN
2 stops30h 34mFinnair
Deal found 4/30$759
This KLM 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 KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/1910:30 amDEN - BRU
2 stops13h 05mKLM
Sat 11/2911:00 amBRU - DEN
1 stop15h 22mKLM
Deal found 4/30$773

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 May 1, 2025.
Use the filters below to find and compare flights from Colorado to Belgium that are best for you.

Fly from

Colorado

Fly to

Belgium

Route

Depart

Return

Price

DenverBrussels

DEN - BRU

DENBRU

Denver Intl

Sun 9/7

4:40 pm-12:50 pm

1 stop12h 10m

Brussels Bruxelles-National

Sat 9/20

1:50 pm-6:55 pm

1 stop13h 05m

$561

DenverBrussels

DEN - BRU

DENBRU

Denver Intl

Fri 9/5

6:35 pm-9:15 pm

1 stop18h 40m

Brussels Bruxelles-National

Tue 9/16

10:20 am-8:00 pm

2 stops17h 40m

$704

DenverBrussels

DEN - BRU

DENBRU

Denver Intl

Wed 8/27

6:15 am-6:30 pm

2 stops28h 15m

Brussels Bruxelles-National

Sat 9/6

10:20 am-9:41 pm

2 stops19h 21m

$729

DenverBrussels

DEN - BRU

DENBRU

Denver Intl

Wed 9/24

9:40 am-8:05 am

1 stop14h 25m

Brussels Bruxelles-National

Tue 9/30

10:00 am-6:18 pm

1 stop16h 18m

$749

DenverBrussels

DEN - BRU

DENBRU

Denver Intl

Wed 9/24

12:53 pm-10:35 pm

2 stops25h 42m

Brussels Bruxelles-National

Tue 9/30

7:05 pm-5:39 pm

2 stops30h 34m

$759

Colorado SpringsBrussels

COS - BRU

COSBRU

Colorado Springs

Fri 5/16

12:55 pm-9:00 am

1 stop12h 05m

Brussels Bruxelles-National

Tue 5/20

10:15 am-10:00 pm

1 stop19h 45m

$795

Colorado SpringsBrussels

COS - BRU

COSBRU

Colorado Springs

Fri 5/16

12:55 pm-9:00 am

1 stop12h 05m

Brussels Bruxelles-National

Tue 5/20

10:15 am-11:25 am

2 stops33h 10m

$813

DenverBrussels

DEN - BRU

DENBRU

Denver Intl

Fri 8/29

6:35 pm-7:10 pm

1 stop16h 35m

Brussels Bruxelles-National

Mon 9/15

9:15 pm-3:44 pm

2 stops26h 29m

$851

DenverBrussels

DEN - BRU

DENBRU

Denver Intl

Thu 8/28

9:40 am-8:00 am

1 stop14h 20m

Brussels Bruxelles-National

Sun 9/7

10:00 am-6:18 pm

1 stop16h 18m

$857

DenverBrussels

DEN - BRU

DENBRU

Denver Intl

Thu 9/18

7:45 am-8:05 am

2 stops16h 20m

Brussels Bruxelles-National

Sun 9/28

10:00 am-6:18 pm

1 stop16h 18m

$866

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/29

Showing 1-10 of 33 results
1
2
3
4

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, November is the cheapest month in which you can book a flight from Colorado to Belgium (average of $614). Flying from Colorado to Belgium in June is currently the most expensive (average of $1,127). 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.

What is the cheapest time of day to fly from CO to BE?

Find hourly flight availability from Colorado to Belgium. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated May 1, 2025.

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Colorado to Belgium as you normally would.

Rainfall in Belgium by month

Plan your trip to Belgium by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Belgium ranges from 1.6 - 3.1 inches per month. January is typically the wettest month, when rainfall can reach 3.1 in. August is typically the driest time to visit Belgium when rainfall is around 1.6 in.

Temperature in Belgium by month

Plan your trip to Belgium by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Belgium, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 62.6 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 37.4 F).

Reviews of airlines servicing Belgium

Get insights into the airlines that provide service to Belgium. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Belgium. Reviews last updated May 1, 2025.
Peruse reviews from past customers who have flown with Delta, KLM and Finnair from Colorado to Belgium to help guide your decision. In addition to providing an overall rating, users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very good
7,934 reviews

Overall

8.0

Crew

8.5

Comfort

7.9

Food

7.3

Entertainment

7.9

Boarding

8.2

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
Delta
8.0
Very good
7,934 reviews
Delta
8.0
Very good
7,934 reviews

Overall

8.0

Crew

8.5

Comfort

7.9

Food

7.3

Entertainment

7.9

Boarding

8.2

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
KLM
7.8
Good
1,334 reviews
Delta
8.0
Very good
7,934 reviews

Overall

8.0

Crew

8.5

Comfort

7.9

Food

7.3

Entertainment

7.9

Boarding

8.2

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
Finnair
7.6
Good
1,275 reviews
Delta
8.0
Very good
7,934 reviews

Overall

8.0

Crew

8.5

Comfort

7.9

Food

7.3

Entertainment

7.9

Boarding

8.2

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
SWISS
7.5
Good
1,588 reviews
Delta
8.0
Very good
7,934 reviews

Overall

8.0

Crew

8.5

Comfort

7.9

Food

7.3

Entertainment

7.9

Boarding

8.2

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
Air France
7.4
Good
1,448 reviews
Delta
8.0
Very good
7,934 reviews

Overall

8.0

Crew

8.5

Comfort

7.9

Food

7.3

Entertainment

7.9

Boarding

8.2

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

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.

  • 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 $443 on Icelandair. Other airlines that offer cheap prices include British Airways from $444 and Air France from $468 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, November is the cheapest month in which you can book a flight from Colorado to Belgium (average of $614). Flying from Colorado to Belgium in June is currently the most expensive (average of $1,127). 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
John F Kennedy Intl to Charles de Gaulle flights
Newark to Heathrow flights
John F Kennedy Intl to Leonardo da Vinci/Fiumicino flights
Newark to Charles de Gaulle flights
John F Kennedy Intl to Gatwick flights
Newark to Leonardo da Vinci/Fiumicino flights
Newark to Athens flights
John F Kennedy Intl to Lisbon flights
John F Kennedy Intl to Istanbul flights
LaGuardia to Heathrow flights
Newark to Lisbon flights
John F Kennedy Intl to Athens flights
Boston to Heathrow flights
John F Kennedy Intl to Orly flights
Los Angeles to Heathrow flights
Dulles Intl to Heathrow flights
Newark to Barcelona-El Prat flights
John F Kennedy Intl to Barcelona-El Prat flights
Miami to Madrid flights
John F Kennedy Intl to London City flights
San Francisco to Heathrow flights
Newark to Gatwick flights
John F Kennedy Intl to Madrid flights
LaGuardia to Charles de Gaulle flights
Newark to Orly flights
Seattle to Heathrow flights
John F Kennedy Intl to Malpensa flights
Dulles Intl to Charles de Gaulle flights
O'Hare Intl to Heathrow flights
Dallas/Fort Worth to Heathrow flights
O'Hare Intl to Leonardo da Vinci/Fiumicino flights
Newark to Dublin flights
Baltimore to Heathrow flights
John F Kennedy Intl to Dublin flights
O'Hare Intl to Charles de Gaulle flights
Dulles Intl to Leonardo da Vinci/Fiumicino flights
Newark to Madrid flights
LaGuardia to Leonardo da Vinci/Fiumicino flights
Boston to Charles de Gaulle flights
Newark to Malpensa flights
Boston to Leonardo da Vinci/Fiumicino flights
O'Hare Intl to Athens flights
Los Angeles to Charles de Gaulle flights
LaGuardia to Gatwick flights
Dallas/Fort Worth to Charles de Gaulle flights
Boston to Dublin flights
Newark to Frankfurt flights
Atlanta to Heathrow flights
San Francisco to Charles de Gaulle flights

Top 7 airlines flying from Colorado to Belgium

Discover the top 7 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 May 1, 2025.
AirlineCheapestAverageFlexibilityOn-time
IcelandairCheapest$496Average$915FlexibilityNo cancel feeOn-time76%
Turkish AirlinesCheapest$526Average$630FlexibilityNo cancel feeOn-time77%
Aer LingusCheapest$614Average$879FlexibilityNo cancel feeOn-timeN/A
British AirwaysCheapest$657Average$984FlexibilityNo cancel feeOn-time70%
United AirlinesCheapest$685Average$954FlexibilityNo cancel feeOn-time69%
Brussels AirlinesCheapest$759Average$1,091FlexibilityNo cancel feeOn-timeN/A
LufthansaCheapest$820Average$1,136FlexibilityNo 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.
Site
Privacy Preferences©2025 Cheapflights