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$546+ 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 1/10. Fares are subject to change and may not be available on all flights or dates of travel.
BRU — DEN
Jan 17 — Jan 241
Sat 1/17
Sat 1/24
1 adult, Economy
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Cheap 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 December 18, 2025.

This United Airlines deal was found by Cheapflights users on 12/17. 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 12/2510:30 amBRU - DEN
2 stops17h 16mUnited Airlines
Fri 1/26:00 amDEN - BRU
1 stop18h 55mUnited Airlines
Deal found 12/17$822
This Delta deal was found by Cheapflights users on 12/16. 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.
Thu 12/2511:00 amBRU - DEN
1 stop15h 29mDelta
Sun 12/286:45 amDEN - BRU
2 stops19h 25mDelta
Deal found 12/16$931
This Cheapflightsfares deal was found by Cheapflights users on 12/16. 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 12/2011:55 amBRU - DEN
1 stop15h 33mLufthansa
Thu 1/84:20 pmDEN - BRU
1 stop12h 50mLufthansa
Deal found 12/16$946
This United Airlines deal was found by Cheapflights users on 12/17. 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 12/2011:55 amBRU - DEN
1 stop14h 18mUnited Airlines
Fri 1/26:00 amDEN - BRU
1 stop18h 55mUnited Airlines
Deal found 12/17$986
This Flysmarter deal was found by Cheapflights users on 12/16. 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 Flysmarter is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/258:35 pmBRU - DEN
2 stops29h 02mBritish Airways
Fri 1/25:25 pmDEN - BRU
1 stop12h 15mBritish Airways
Deal found 12/16$1,012
This KLM deal was found by Cheapflights users on 12/16. 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.
Thu 12/2511:00 amBRU - DEN
1 stop15h 29mKLM
Sun 12/286:25 amDEN - BRU
1 stop18h 35mKLM
Deal found 12/16$1,097

Find flight deals from Belgium to Denver

Keep the following information in mind while searching for Belgium to Denver flight deals. Data was last updated December 18, 2025.

Round-trip from

$649
(AirNGo)

One-way from

$546
(Kiwi.com)

Popular in

January

Cheapest in

October

Average price

$797
From Belgium to Denver Intl
Search Deals
One-way flight from Belgium to Denver Intl
Search Deals
Highest demand for flights based on searches. 11% potential increase in price ($88 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease ($21 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in December 2025
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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 December 18, 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

Thu 1/15

12:50 pm-6:05 pm

1 stop13h 15m

Denver Intl

Wed 1/28

3:40 pm-11:55 am

1 stop12h 15m

$649

BrusselsDenver

BRU - DEN

BRUDEN

Brussels Bruxelles-National

Thu 1/15

11:15 am-5:58 pm

1 stop14h 43m

Denver Intl

Wed 1/28

11:15 am-1:15 pm

2 stops18h 00m

$702

BrusselsDenver

BRU - DEN

BRUDEN

Brussels Bruxelles-National

Thu 1/15

10:20 am-10:55 pm

2 stops20h 35m

Denver Intl

Wed 1/28

6:41 am-9:40 am

2 stops18h 59m

$703

BrusselsDenver

BRU - DEN

BRUDEN

Brussels Bruxelles-National

Mon 4/13

8:00 am-6:03 pm

2 stops18h 03m

Denver Intl

Thu 4/30

6:10 am-2:40 pm

2 stops24h 30m

$704

BrusselsDenver

BRU - DEN

BRUDEN

Brussels Bruxelles-National

Wed 1/14

8:30 pm-10:55 pm

2 stops34h 25m

Denver Intl

Tue 1/27

6:41 am-9:40 am

2 stops18h 59m

$704

BrusselsDenver

BRU - DEN

BRUDEN

Brussels Bruxelles-National

Wed 1/14

10:10 am-5:57 pm

1 stop15h 47m

Denver Intl

Tue 1/27

11:15 am-10:20 am

2 stops15h 05m

$707

BrusselsDenver

BRU - DEN

BRUDEN

Brussels Bruxelles-National

Thu 1/15

11:15 am-5:58 pm

1 stop14h 43m

Denver Intl

Wed 1/28

11:15 am-8:55 am

1 stop13h 40m

$710

BrusselsDenver

BRU - DEN

BRUDEN

Brussels Bruxelles-National

Mon 4/6

9:45 am-10:18 pm

1 stop20h 33m

Denver Intl

Fri 6/12

12:20 pm-2:40 pm

2 stops18h 20m

$720

BrusselsDenver

BRU - DEN

BRUDEN

Brussels Bruxelles-National

Wed 2/11

9:00 am-1:40 pm

1 stop12h 40m

Denver Intl

Mon 3/2

5:35 pm-1:15 pm

1 stop11h 40m

$722

BrusselsDenver

CRL - DEN

CRLDEN

Charleroi Brussels

Sat 1/10

7:05 am-10:59 pm

3 stops23h 54m

$546

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/16

Showing 1-10 of 22 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, February is the cheapest month in which you can book a flight from Belgium to Denver (average of $503). Flying from Belgium to Denver in January is currently the most expensive (average of $640). 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 December 18, 2025.

Unlike in the afternoon, when flights are generally more expensive, you can save up to 13% on flights from Belgium to Denver by exploring options for tickets at noon.

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 December 18, 2025.
See what other customers who have flown with United Airlines, American Airlines, and Brussels 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
9,095 reviews

Crew

8.1

Boarding

7.7

Food

6.6

Overall

7.4

Entertainment

7.1

Comfort

7.3

Reviews

1 / 20
4.0
Okay

Kevin,Dec 2025

BOS - EWR

Seems like every United flight has a delay and it’s always someone else’s fault. Step up and take some accountability
United Airlines
7.4
Good
9,095 reviews
United Airlines
7.4
Good
9,095 reviews

Crew

8.1

Boarding

7.7

Food

6.6

Overall

7.4

Entertainment

7.1

Comfort

7.3

Reviews

1 / 20
4.0
Okay

Kevin,Dec 2025

BOS - EWR

Seems like every United flight has a delay and it’s always someone else’s fault. Step up and take some accountability
American Airlines
7.2
Good
11,054 reviews
United Airlines
7.4
Good
9,095 reviews

Crew

8.1

Boarding

7.7

Food

6.6

Overall

7.4

Entertainment

7.1

Comfort

7.3

Reviews

1 / 20
4.0
Okay

Kevin,Dec 2025

BOS - EWR

Seems like every United flight has a delay and it’s always someone else’s fault. Step up and take some accountability
Brussels Airlines
7.2
Good
375 reviews
United Airlines
7.4
Good
9,095 reviews

Crew

8.1

Boarding

7.7

Food

6.6

Overall

7.4

Entertainment

7.1

Comfort

7.3

Reviews

1 / 20
4.0
Okay

Kevin,Dec 2025

BOS - EWR

Seems like every United flight has a delay and it’s always someone else’s fault. Step up and take some accountability
Lufthansa
6.8
Okay
7,637 reviews
United Airlines
7.4
Good
9,095 reviews

Crew

8.1

Boarding

7.7

Food

6.6

Overall

7.4

Entertainment

7.1

Comfort

7.3

Reviews

1 / 20
4.0
Okay

Kevin,Dec 2025

BOS - EWR

Seems like every United flight has a delay and it’s always someone else’s fault. Step up and take some accountability
British Airways
6.7
Okay
7,586 reviews
United Airlines
7.4
Good
9,095 reviews

Crew

8.1

Boarding

7.7

Food

6.6

Overall

7.4

Entertainment

7.1

Comfort

7.3

Reviews

1 / 20
4.0
Okay

Kevin,Dec 2025

BOS - EWR

Seems like every United flight has a delay and it’s always someone else’s fault. Step up and take some accountability

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?

    Icelandair, Brussels Airlines, and Scandinavian Airlines can get you from Belgium to Denver in just under 13h 15m. Your travel time can differ by up to 7h 20m. The distance from Belgium to Denver is about 4848 mi. This flight may include one or multiple stops.

  • What are the cheapest airlines to fly from Belgium to Denver one-way?

    One-way options have recently been found by users for as low as $443 on British Airways. Other airlines that offer cheap prices include Icelandair from $497 and Aer Lingus from $500 one-way.

  • 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, February is the cheapest month in which you can book a flight from Belgium to Denver (average of $503). Flying from Belgium to Denver in January is currently the most expensive (average of $640). 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
Thornton
Broomfield
Westminster
Winter Park
Golden
Greeley
Lone Tree
Lakewood
Cripple Creek
Silverthorne
Central City
Frisco
Wheat Ridge
Manitou Springs
Fort Morgan
Brighton
Longmont
Idaho Springs
Evergreen

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Alternative routes for Belgium to Denver

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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 December 18, 2025.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$540Average$647FlexibilityNo cancel feeOn-time71%
British AirwaysCheapest$547Average$686FlexibilityNo cancel feeOn-time70%
United AirlinesCheapest$615Average$759FlexibilityNo cancel feeOn-time69%
Brussels AirlinesCheapest$636Average$671FlexibilityNo cancel feeOn-timeN/A
LufthansaCheapest$636Average$849FlexibilityNo cancel feeOn-time76%

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