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$351+ 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 9/4. Fares are subject to change and may not be available on all flights or dates of travel.
BRU — DEN
jun. 23 — jun. 301
lun. 6/23
lun. 6/30
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 junio 18, 2025.

Round-trip from

$533
(Gotogate)

One-way from

$351
(Kiwi.com)

Popular in

August

Cheapest in

September

Average price

$768
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. 3% potential increase in price ($27 potential increase over avg. RT price).
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Cheapest flight prices on average. 1% potential price decrease ($9 potential savings vs. average RT price).
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Average for round-trip flights in June 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 junio 18, 2025.

This Gotogate deal was found by Cheapflights users on 6/16. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sáb. 8/301:50 pmBRU - DEN
1 stop30h 40mIcelandair
vie. 9/194:40 pmDEN - BRU
1 stop12h 10mIcelandair
Deal found 6/16$533
This AirNGo deal was found by Cheapflights users on 6/17. 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 AirNGo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 7/39:10 pmBRU - DEN
2 stops28h 30mBritish Airways
mié. 7/166:35 pmDEN - BRU
1 stop31h 20mBritish Airways
Deal found 6/17$560
This American Airlines deal was found by Cheapflights users on 6/17. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 10/2310:50 amBRU - DEN
1 stop13h 35mAmerican Airlines
vie. 11/76:15 amDEN - BRU
2 stops20h 35mAmerican Airlines
Deal found 6/17$569
This Delta deal was found by Cheapflights users on 6/18. 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.
dom. 8/316:10 amBRU - DEN
2 stops17h 18mDelta
jue. 10/23:45 pmDEN - BRU
2 stops14h 50mDelta
Deal found 6/18$579
This KLM deal was found by Cheapflights users on 6/18. 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.
jue. 9/410:45 amBRU - DEN
1 stop16h 01mKLM
sáb. 9/1310:45 amDEN - BRU
1 stop13h 55mKLM
Deal found 6/18$581
This Virgin Atlantic deal was found by Cheapflights users on 6/16. 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 Virgin Atlantic is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sáb. 8/3010:45 amBRU - DEN
2 stops20h 24mVirgin Atlantic
vie. 9/196:30 amDEN - BRU
1 stop18h 10mVirgin Atlantic
Deal found 6/16$582
This Air France deal was found by Cheapflights users on 6/18. 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 France is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
vie. 9/510:45 amBRU - DEN
1 stop17h 31mMultiple Airlines
vie. 9/264:00 pmDEN - BRU
2 stops14h 35mMultiple Airlines
Deal found 6/18$588
This Flighttix deal was found by Cheapflights users on 6/16. 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 Flighttix is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 8/1110:10 amBRU - DEN
1 stop16h 10mAir Canada
lun. 8/259:40 amDEN - BRU
1 stop14h 20mAir Canada
Deal found 6/16$630
This Iberia deal was found by Cheapflights users on 6/15. 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 Iberia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 6/233:30 pmBRU - DEN
2 stops48h 53mIberia
vie. 7/185:32 pmDEN - BRU
2 stops33h 53mIberia
Deal found 6/15$652
This United Airlines deal was found by Cheapflights users on 6/18. 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.
lun. 8/2510:00 amBRU - DEN
1 stop16h 20mUnited Airlines
mar. 9/307:48 amDEN - BRU
1 stop17h 12mUnited Airlines
Deal found 6/18$660
This Lufthansa deal was found by Cheapflights users on 6/18. 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.
dom. 8/247:00 amBRU - DEN
1 stop14h 25mLufthansa
lun. 9/2911:15 amDEN - BRU
1 stop12h 00mLufthansa
Deal found 6/18$664
This Austrian Airlines deal was found by Cheapflights users on 6/18. 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 Austrian Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 8/2510:00 amBRU - DEN
2 stops42h 00mAustrian Airlines
sáb. 9/279:36 amDEN - BRU
2 stops17h 29mAustrian Airlines
Deal found 6/18$689

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 junio 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

sáb. 8/30

1:50 pm-12:30 pm

1 stop30h 40m

Denver Intl

vie. 9/19

4:40 pm-12:50 pm

1 stop12h 10m

$533

BrusselsDenver

BRU - DEN

BRUDEN

Brussels Bruxelles-National

jue. 7/3

9:10 pm-5:40 pm

2 stops28h 30m

Denver Intl

mié. 7/16

6:35 pm-9:55 am

1 stop31h 20m

$560

BrusselsDenver

BRU - DEN

BRUDEN

Brussels Bruxelles-National

jue. 10/23

2:50 pm-4:25 pm

1 stop33h 35m

Denver Intl

lun. 11/10

2:23 pm-4:40 pm

2 stops18h 17m

$569

BrusselsDenver

BRU - DEN

BRUDEN

Brussels Bruxelles-National

dom. 8/31

6:10 am-3:28 pm

2 stops17h 18m

Denver Intl

jue. 10/2

3:45 pm-2:35 pm

2 stops14h 50m

$579

BrusselsDenver

BRU - DEN

BRUDEN

Brussels Bruxelles-National

jue. 9/4

10:45 am-6:46 pm

1 stop16h 01m

Denver Intl

sáb. 9/13

10:45 am-8:40 am

1 stop13h 55m

$581

BrusselsDenver

BRU - DEN

BRUDEN

Brussels Bruxelles-National

sáb. 8/30

10:45 am-11:09 pm

2 stops20h 24m

Denver Intl

vie. 9/19

6:30 am-8:40 am

1 stop18h 10m

$582

BrusselsDenver

BRU - DEN

BRUDEN

Brussels Bruxelles-National

vie. 9/5

10:45 am-8:16 pm

1 stop17h 31m

Denver Intl

vie. 9/26

4:00 pm-2:35 pm

2 stops14h 35m

$588

BrusselsDenver

BRU - DEN

BRUDEN

Brussels Bruxelles-National

lun. 8/11

10:10 am-6:20 pm

1 stop16h 10m

Denver Intl

lun. 8/25

9:40 am-8:00 am

1 stop14h 20m

$630

BrusselsDenver

BRU - DEN

BRUDEN

Brussels Bruxelles-National

sáb. 8/30

7:05 am-8:22 pm

2 stops21h 17m

Denver Intl

dom. 10/5

9:46 am-2:45 pm

2 stops44h 59m

$659

BrusselsDenver

BRU - DEN

BRUDEN

Brussels Bruxelles-National

lun. 8/25

10:00 am-6:20 pm

1 stop16h 20m

Denver Intl

lun. 9/29

1:25 pm-9:00 am

1 stop11h 35m

$660

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/18

Showing 1-10 of 28 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 junio 18, 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.

Rainfall in Denver by month

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

In terms of precipitation, rainfall in Denver ranges from 0.5 - 2.3 inches per month. May is typically the wettest month, when rainfall can reach 2.3 in. January is typically the driest time to visit Denver when rainfall is around 0.5 in.

Temperature in Denver by month

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

If weather is an important factor for your trip to Denver, 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 73.4 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 30.2 F).

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 junio 18, 2025.
Read through reviews of airlines operating flights from Belgium to Denver, such as Delta, KLM and Austrian Airlines. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very good
7,964 reviews

Overall

8.0

Crew

8.5

Comfort

7.9

Entertainment

7.9

Food

7.3

Boarding

8.2

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
Delta
8.0
Very good
7,964 reviews
Delta
8.0
Very good
7,964 reviews

Overall

8.0

Crew

8.5

Comfort

7.9

Entertainment

7.9

Food

7.3

Boarding

8.2

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
KLM
7.8
Good
1,364 reviews
Delta
8.0
Very good
7,964 reviews

Overall

8.0

Crew

8.5

Comfort

7.9

Entertainment

7.9

Food

7.3

Boarding

8.2

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
Austrian Airlines
7.6
Good
804 reviews
Delta
8.0
Very good
7,964 reviews

Overall

8.0

Crew

8.5

Comfort

7.9

Entertainment

7.9

Food

7.3

Boarding

8.2

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
Finnair
7.6
Good
1,292 reviews
Delta
8.0
Very good
7,964 reviews

Overall

8.0

Crew

8.5

Comfort

7.9

Entertainment

7.9

Food

7.3

Boarding

8.2

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
SWISS
7.5
Good
1,632 reviews
Delta
8.0
Very good
7,964 reviews

Overall

8.0

Crew

8.5

Comfort

7.9

Entertainment

7.9

Food

7.3

Boarding

8.2

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

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.

  • 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 $578 on Aer Lingus. Other airlines that offer cheap prices include Brussels Airlines from $611 and Icelandair from $615 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, 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 Belgium?

Book flights to Belgium if you plan to visit one of these locations
Westminster
Black Hawk
Winter Park
Lakewood
Cripple Creek
Golden
Brighton
Silverthorne
Thornton
Frisco
Broomfield
Grand Lake
Central City
Fort Morgan
Glendale
Copper Mountain
Wheat Ridge
Longmont
Idaho Springs
Greeley

Browse thousands of different options on Cheapflights for your next trip

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Alternative routes for Belgium to Denver

See prices for flight routes from nearby airports that may be better suited for you.
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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 junio 18, 2025.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$540Average$647FlexibilityNo cancel feeOn-time71%
British AirwaysCheapest$547Average$701FlexibilityNo cancel feeOn-time70%
Brussels AirlinesCheapest$619Average$672FlexibilityNo cancel feeOn-timeN/A
LufthansaCheapest$621Average$800FlexibilityNo cancel feeOn-time76%
United AirlinesCheapest$636Average$763FlexibilityNo cancel feeOn-time69%

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