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$379+ Cheap flights from Belgium to Denver (DEN)

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 1/27. Fares are subject to change and may not be available on all flights or dates of travel.
BRU — DEN
Oct 15 — Oct 221
Wed 10/15
Wed 10/22
1 adult, Economy
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Cheap flight deals from Belgium to Denver

Keep the following information in mind while searching for Belgium to Denver flight deals. Data was last updated September 15, 2025.

Round-trip from

$585
(AirNGo)

One-way from

$379
(Kiwi.com)

Popular in

January

Cheapest in

September

Average price

$614
From Belgium to Denver Intl
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One-way flight from Belgium to Denver Intl
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Highest demand for flights based on searches. 4% potential increase in price ($31 potential increase over avg. RT price).
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Cheapest flight prices on average. 0% potential price decrease ($6 potential savings vs. average RT price).
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Average for round-trip flights in September 2025
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Find flight deals from Belgium to Denver

Cheapest flights from Belgium to Denver
Explore the most affordable flight options available from Belgium to Denver. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 15, 2025.

This AirNGo deal was found by Cheapflights users on 9/15. 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.
Thu 12/1110:30 amBRU - DEN
1 stop13h 30mUnited Airlines
Sat 12/278:26 pmDEN - BRU
1 stop28h 29mUnited Airlines
Deal found 9/15$585
This Flighttix deal was found by Cheapflights users on 9/15. 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 Flighttix is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/307:00 amBRU - DEN
1 stop17h 00mUnited Airlines
Wed 11/121:25 pmDEN - BRU
1 stop11h 30mUnited Airlines
Deal found 9/15$600
This Flighttix deal was found by Cheapflights users on 9/14. 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 Flighttix is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/309:30 amBRU - DEN
1 stop14h 30mLufthansa
Wed 11/1211:15 amDEN - BRU
1 stop13h 40mLufthansa
Deal found 9/14$603
This Gotogate deal was found by Cheapflights users on 9/14. 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 10/307:00 amBRU - DEN
2 stops19h 55mAir Canada
Wed 11/1211:15 amDEN - BRU
1 stop12h 35mAir Canada
Deal found 9/14$606
This Gotogate deal was found by Cheapflights users on 9/15. 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 10/307:00 amBRU - DEN
2 stops19h 55mAir Canada
Thu 11/611:15 amDEN - BRU
1 stop12h 35mAir Canada
Deal found 9/15$607
This Finnair deal was found by Cheapflights users on 9/15. 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.
Thu 11/137:05 amBRU - DEN
2 stops18h 47mMultiple Airlines
Thu 12/45:25 pmDEN - BRU
1 stop15h 35mMultiple Airlines
Deal found 9/15$610
This Finnair deal was found by Cheapflights users on 9/15. 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.
Thu 10/307:10 pmBRU - DEN
2 stops31h 16mMultiple Airlines
Wed 11/125:25 pmDEN - BRU
1 stop18h 10mMultiple Airlines
Deal found 9/15$611
This British Airways deal was found by Cheapflights users on 9/15. 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.
Thu 11/1310:15 amBRU - DEN
2 stops21h 03mBritish Airways
Thu 12/44:40 pmDEN - BRU
2 stops16h 20mBritish Airways
Deal found 9/15$612
This British Airways deal was found by Cheapflights users on 9/15. 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.
Thu 10/308:35 pmBRU - DEN
2 stops28h 19mBritish Airways
Wed 11/1212:33 pmDEN - BRU
2 stops17h 17mBritish Airways
Deal found 9/15$613
This United Airlines deal was found by Cheapflights users on 9/14. 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 9/257:00 amBRU - DEN
1 stop14h 35mUnited Airlines
Thu 10/211:15 amDEN - BRU
1 stop12h 50mUnited Airlines
Deal found 9/14$617
This Kiwi.com deal was found by Cheapflights users on 9/15. 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 9/156:00 pmCRL - DEN
2 stops31h 55mMultiple Airlines
Fri 9/197:55 pmDEN - CRL
1 stop34h 05mMultiple Airlines
Deal found 9/15$1,300
This Mytrip deal was found by Cheapflights users on 9/14. 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.
Sun 10/56:40 pmCRL - DEN
2 stops32h 15mMultiple Airlines
Wed 10/154:15 pmDEN - CRL
2 stops22h 35mMultiple Airlines
Deal found 9/14$1,364

Cheapflights Fare Finder

 
Customize your flight search to find flights from Belgium to Denver 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 September 15, 2025.
Use the filters below to find and compare flights from Belgium to Denver that are best for you.

Fly from

Belgium

Fly to

Denver

Route

Depart

Return

Price

BrusselsDenver

BRU - DEN

BRUDEN

Brussels Bruxelles-National

Tue 1/27

7:10 pm-5:41 pm

2 stops30h 31m

Denver Intl

Tue 2/10

5:25 pm-7:45 pm

1 stop18h 20m

$610

BrusselsDenver

BRU - DEN

BRUDEN

Brussels Bruxelles-National

Thu 11/13

7:05 am-5:52 pm

2 stops18h 47m

Denver Intl

Thu 12/4

5:25 pm-5:00 pm

1 stop15h 35m

$610

BrusselsDenver

BRU - DEN

BRUDEN

Brussels Bruxelles-National

Thu 2/12

10:15 am-10:28 pm

2 stops20h 13m

Denver Intl

Sun 2/22

2:49 pm-1:50 pm

2 stops15h 01m

$611

BrusselsDenver

BRU - DEN

BRUDEN

Brussels Bruxelles-National

Wed 2/11

11:50 am-10:56 pm

2 stops19h 06m

Denver Intl

Sun 2/22

2:49 pm-1:50 pm

2 stops15h 01m

$611

BrusselsDenver

BRU - DEN

BRUDEN

Brussels Bruxelles-National

Thu 10/30

7:10 pm-7:26 pm

2 stops31h 16m

Denver Intl

Wed 11/12

5:25 pm-7:35 pm

1 stop18h 10m

$611

BrusselsDenver

BRU - DEN

BRUDEN

Brussels Bruxelles-National

Tue 1/27

12:00 pm-9:51 pm

2 stops17h 51m

Denver Intl

Tue 2/10

10:31 am-10:50 am

2 stops16h 19m

$612

BrusselsDenver

BRU - DEN

BRUDEN

Brussels Bruxelles-National

Thu 11/13

10:15 am-11:56 pm

2 stops21h 41m

Denver Intl

Thu 12/4

4:40 pm-5:00 pm

2 stops16h 20m

$612

BrusselsDenver

BRU - DEN

BRUDEN

Brussels Bruxelles-National

Wed 3/11

9:00 am-2:40 pm

1 stop12h 40m

Denver Intl

Wed 4/15

9:48 am-9:00 am

1 stop15h 12m

$617

BrusselsDenver

BRU - DEN

BRUDEN

Brussels Bruxelles-National

Thu 3/12

9:00 am-2:40 pm

1 stop12h 40m

Denver Intl

Fri 4/10

6:00 am-7:15 am

1 stop17h 15m

$617

BrusselsDenver

BRU - DEN

BRUDEN

Brussels Bruxelles-National

Fri 3/13

9:00 am-2:40 pm

1 stop12h 40m

Denver Intl

Sun 4/12

10:20 am-7:00 am

1 stop12h 40m

$617

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/14

Showing 1-10 of 31 results
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Best time to book a flight from Belgium to Denver

Have a flexible travel schedule? Discover the best time to fly to Denver from Belgium 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 Belgium to Denver

What is the cheapest month to book a flight from Belgium to Denver?

Currently, October is the cheapest month in which you can book a flight from Belgium to Denver (average of $197). Flying from Belgium to Denver in March is currently the most expensive (average of $278). 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 BE to DEN?

Find hourly flight availability from Belgium to Denver. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated September 15, 2025.

When flying from Belgium to Denver, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

Reviews of airlines servicing Denver

Get insights into the airlines that provide service to Denver. 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 Denver. Reviews last updated September 15, 2025.
See what other customers who have flown with United Airlines, Brussels Airlines, and American Airlines from Belgium to Denver have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
United Airlines
7.4
Good
8,929 reviews

Crew

8.1

Boarding

7.7

Entertainment

7.1

Food

6.6

Comfort

7.3

Overall

7.4

Reviews

1 / 20
10.0
Excellent

Anonymous,Sep 2025

FRA - SFO

Lufthansa was amazing, I wish United States based airlines operated like them.
United Airlines
7.4
Good
8,929 reviews
United Airlines
7.4
Good
8,929 reviews

Crew

8.1

Boarding

7.7

Entertainment

7.1

Food

6.6

Comfort

7.3

Overall

7.4

Reviews

1 / 20
10.0
Excellent

Anonymous,Sep 2025

FRA - SFO

Lufthansa was amazing, I wish United States based airlines operated like them.
Brussels Airlines
7.3
Good
359 reviews
United Airlines
7.4
Good
8,929 reviews

Crew

8.1

Boarding

7.7

Entertainment

7.1

Food

6.6

Comfort

7.3

Overall

7.4

Reviews

1 / 20
10.0
Excellent

Anonymous,Sep 2025

FRA - SFO

Lufthansa was amazing, I wish United States based airlines operated like them.
American Airlines
7.2
Good
10,000 reviews
United Airlines
7.4
Good
8,929 reviews

Crew

8.1

Boarding

7.7

Entertainment

7.1

Food

6.6

Comfort

7.3

Overall

7.4

Reviews

1 / 20
10.0
Excellent

Anonymous,Sep 2025

FRA - SFO

Lufthansa was amazing, I wish United States based airlines operated like them.
Lufthansa
6.8
Okay
7,407 reviews
United Airlines
7.4
Good
8,929 reviews

Crew

8.1

Boarding

7.7

Entertainment

7.1

Food

6.6

Comfort

7.3

Overall

7.4

Reviews

1 / 20
10.0
Excellent

Anonymous,Sep 2025

FRA - SFO

Lufthansa was amazing, I wish United States based airlines operated like them.
British Airways
6.7
Okay
7,361 reviews
United Airlines
7.4
Good
8,929 reviews

Crew

8.1

Boarding

7.7

Entertainment

7.1

Food

6.6

Comfort

7.3

Overall

7.4

Reviews

1 / 20
10.0
Excellent

Anonymous,Sep 2025

FRA - SFO

Lufthansa was amazing, I wish United States based airlines operated like them.

Related info for your journey

Find useful and relevant information for your journey from Belgium to Denver. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly into for flights to Denver from Belgium?

    Denver Intl (DEN) is the airport you will fly into if you book a flight from Belgium to Denver. It is only a 18.5 mi journey from Denver Intl (DEN) to Denver’s city center.

  • How long is the flight from Belgium to Denver?

    American Airlines can get you from Belgium to Denver in just under 20h 13m. Your travel time can differ by up to . The distance from Belgium to Denver is about 4848 mi.

  • Can I find deals for flights from Belgium to Denver that include hotel bookings?

    Yes. In addition to deals on Belgium to Denver flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Belgium to Denver?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Belgium to Denver.

  • Can I find deals for business class flights from Belgium to Denver?

    Yes. Cheapflights offers flight deals from Belgium to Denver 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 Belgium to Denver?

    Currently, October is the cheapest month in which you can book a flight from Belgium to Denver (average of $197). Flying from Belgium to Denver in March is currently the most expensive (average of $278). 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

Traveling to a place near Denver?

Book flights to Denver if you plan to visit one of these locations
Black Hawk
Westminster
Golden
Winter Park
Lakewood
Broomfield
Greeley
Lone Tree
Cripple Creek
Thornton
Silverthorne
Manitou Springs
Fort Morgan
Glendale
Wheat Ridge
Brighton
Longmont
Idaho Springs
Parker
Sterling

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Top 5 airlines flying from Belgium to Denver

Discover the top 5 airlines that operate flights from Belgium to Denver. 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 September 15, 2025.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$540Average$647FlexibilityNo cancel feeOn-time71%
British AirwaysCheapest$544Average$689FlexibilityNo cancel feeOn-time70%
United AirlinesCheapest$615Average$688FlexibilityNo cancel feeOn-time69%
Brussels AirlinesCheapest$636Average$671FlexibilityNo cancel feeOn-timeN/A
LufthansaCheapest$636Average$800FlexibilityNo cancel feeOn-time76%

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