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$299+ Cheap flights from Denver (DEN) 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 10/22. Fares are subject to change and may not be available on all flights or dates of travel.
DEN — BRU
Aug 22 — Aug 291
Fri 8/22
Fri 8/29
1 adult, Economy
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Cheap flight deals from Denver to Belgium

Keep the following information in mind while searching for Denver to Belgium flight deals. Data was last updated August 17, 2025.

Round-trip from

$519
(Icelandair)

One-way from

$308
(Kiwi.com)

Popular in

December

Cheapest in

January

Average price

$743
From Denver Intl to Belgium
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One-way flight from Denver Intl to Belgium
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High demand for flights, 1% potential price rise
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Cheapest flight prices on average. 3% potential price decrease ($30 potential savings vs. average RT price).
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Average for round-trip flights in August 2025
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Find flight deals from Denver to Belgium

Cheapest flights from Denver to Belgium
Explore the most affordable flight options available from Denver to Belgium. Find the lowest fares from popular airlines and budget airlines, with prices last updated on August 17, 2025.

This Icelandair deal was found by Cheapflights users on 8/15. 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 Icelandair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/14:40 pmDEN - BRU
1 stop12h 15mIcelandair
Fri 11/1412:50 pmBRU - DEN
1 stop13h 15mIcelandair
Deal found 8/15$519
This oojo deal was found by Cheapflights users on 8/15. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/234:40 pmDEN - BRU
1 stop12h 10mIcelandair
Thu 10/3012:50 pmBRU - DEN
1 stop13h 15mIcelandair
Deal found 8/15$540
This United Airlines deal was found by Cheapflights users on 8/15. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/2611:15 amDEN - BRU
1 stop13h 35mUnited Airlines
Wed 11/510:00 amBRU - DEN
1 stop17h 55mUnited Airlines
Deal found 8/15$545
This Air Canada deal was found by Cheapflights users on 8/15. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/18:30 pmDEN - BRU
2 stops28h 20mAir Canada
Fri 11/1410:00 amBRU - DEN
1 stop17h 55mAir Canada
Deal found 8/15$549
This Air Canada deal was found by Cheapflights users on 8/15. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/255:36 pmDEN - BRU
2 stops31h 14mAir Canada
Fri 11/710:00 amBRU - DEN
1 stop17h 55mAir Canada
Deal found 8/15$551
This United Airlines deal was found by Cheapflights users on 8/15. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/2611:15 amDEN - BRU
1 stop13h 35mUnited Airlines
Thu 11/610:10 amBRU - DEN
1 stop13h 34mUnited Airlines
Deal found 8/15$555
This Icelandair deal was found by Cheapflights users on 8/15. 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 Icelandair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/224:40 pmDEN - BRU
1 stop12h 10mIcelandair
Sun 11/212:50 pmBRU - DEN
1 stop13h 15mIcelandair
Deal found 8/15$556
This Air Canada deal was found by Cheapflights users on 8/15. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/28:30 pmDEN - BRU
2 stops27h 20mAir Canada
Fri 11/1410:00 amBRU - DEN
1 stop17h 55mAir Canada
Deal found 8/15$560
This United Airlines deal was found by Cheapflights users on 8/15. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/2511:59 pmDEN - BRU
1 stop24h 16mUnited Airlines
Wed 11/510:00 amBRU - DEN
1 stop17h 55mUnited Airlines
Deal found 8/15$561
This United Airlines deal was found by Cheapflights users on 8/15. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/2511:59 pmDEN - BRU
1 stop24h 16mUnited Airlines
Thu 11/610:10 amBRU - DEN
1 stop13h 34mUnited Airlines
Deal found 8/15$565
This FlightHub deal was found by Cheapflights users on 8/15. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/234:40 pmDEN - BRU
1 stop12h 10mIcelandair
Sat 8/301:50 pmBRU - DEN
1 stop13h 05mIcelandair
Deal found 8/15$569
This FlightHub deal was found by Cheapflights users on 8/15. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/234:40 pmDEN - BRU
1 stop12h 10mIcelandair
Thu 8/281:50 pmBRU - DEN
1 stop30h 40mIcelandair
Deal found 8/15$571

Cheapflights Fare Finder

 
Customize your flight search to find flights from Denver 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 August 17, 2025.
Use the filters below to find and compare flights from Denver to Belgium that are best for you.

Fly from

Denver

Fly to

Belgium

Route

Depart

Return

Price

DenverBrussels

DEN - BRU

DENBRU

Denver Intl

Wed 11/12

12:20 pm-9:00 am

1 stop12h 40m

Brussels Bruxelles-National

Wed 11/19

6:15 am-3:09 pm

2 stops16h 54m

$489

DenverBrussels

DEN - BRU

DENBRU

Denver Intl

Wed 11/12

5:25 pm-1:50 pm

1 stop12h 25m

Brussels Bruxelles-National

Wed 11/19

8:30 pm-3:30 pm

1 stop27h 00m

$519

DenverBrussels

DEN - BRU

DENBRU

Denver Intl

Sat 11/1

4:40 pm-11:55 am

1 stop12h 15m

Brussels Bruxelles-National

Thu 11/13

12:50 pm-6:05 pm

1 stop13h 15m

$519

DenverBrussels

DEN - BRU

DENBRU

Denver Intl

Sat 11/1

4:40 pm-11:55 am

1 stop12h 15m

Brussels Bruxelles-National

Fri 11/14

12:50 pm-6:05 pm

1 stop13h 15m

$519

DenverBrussels

DEN - BRU

DENBRU

Denver Intl

Wed 1/28

3:40 pm-11:55 am

1 stop12h 15m

Brussels Bruxelles-National

Thu 2/12

12:50 pm-6:05 pm

1 stop13h 15m

$533

DenverBrussels

DEN - BRU

DENBRU

Denver Intl

Thu 10/23

4:40 pm-12:50 pm

1 stop12h 10m

Brussels Bruxelles-National

Thu 10/30

12:50 pm-7:05 pm

1 stop13h 15m

$540

DenverBrussels

DEN - BRU

DENBRU

Denver Intl

Wed 10/22

9:40 am-8:05 am

1 stop14h 25m

Brussels Bruxelles-National

Tue 11/4

10:00 am-7:55 pm

1 stop17h 55m

$545

DenverBrussels

DEN - BRU

DENBRU

Denver Intl

Sun 10/26

11:15 am-7:50 am

1 stop13h 35m

Brussels Bruxelles-National

Fri 11/7

10:00 am-7:55 pm

1 stop17h 55m

$545

DenverBrussels

DEN - BRU

DENBRU

Denver Intl

Sun 10/26

11:15 am-7:50 am

1 stop13h 35m

Brussels Bruxelles-National

Wed 11/5

10:00 am-7:55 pm

1 stop17h 55m

$545

DenverBrussels

DEN - BRU

DENBRU

Denver Intl

Tue 10/28

11:15 am-7:50 am

1 stop13h 35m

Brussels Bruxelles-National

Fri 11/7

10:00 am-7:55 pm

1 stop17h 55m

$545

Flights are sorted by cheapest round-trip flights first.

Deals found on 8/13

Showing 1-10 of 24 results
1
2
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Best time to book a flight from Denver to Belgium

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

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

Currently, November is the cheapest month in which you can book a flight from Denver to Belgium (average of $614). Flying from Denver to Belgium in June is currently the most expensive (average of $1,079). 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 DEN to BE?

Find hourly flight availability from Denver 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 August 17, 2025.

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

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 August 17, 2025.
Get a feel of what it's like to fly with United Airlines, Turkish Airlines, and Aer Lingus from Denver to Belgium by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
United Airlines
7.4
Good
8,919 reviews

Entertainment

7.1

Overall

7.4

Food

6.6

Comfort

7.3

Boarding

7.7

Crew

8.1

Reviews

1 / 20
4.0
Okay

Thomas,Mar 2025

SFO - TPE

When I asked for an extra snack, I got an unhappy look from the stewardess. Geez, does one extra snack really affect the bottom line??
United Airlines
7.4
Good
8,919 reviews
United Airlines
7.4
Good
8,919 reviews

Entertainment

7.1

Overall

7.4

Food

6.6

Comfort

7.3

Boarding

7.7

Crew

8.1

Reviews

1 / 20
4.0
Okay

Thomas,Mar 2025

SFO - TPE

When I asked for an extra snack, I got an unhappy look from the stewardess. Geez, does one extra snack really affect the bottom line??
Turkish Airlines
7.3
Good
3,943 reviews
United Airlines
7.4
Good
8,919 reviews

Entertainment

7.1

Overall

7.4

Food

6.6

Comfort

7.3

Boarding

7.7

Crew

8.1

Reviews

1 / 20
4.0
Okay

Thomas,Mar 2025

SFO - TPE

When I asked for an extra snack, I got an unhappy look from the stewardess. Geez, does one extra snack really affect the bottom line??
Aer Lingus
7.1
Good
1,217 reviews
United Airlines
7.4
Good
8,919 reviews

Entertainment

7.1

Overall

7.4

Food

6.6

Comfort

7.3

Boarding

7.7

Crew

8.1

Reviews

1 / 20
4.0
Okay

Thomas,Mar 2025

SFO - TPE

When I asked for an extra snack, I got an unhappy look from the stewardess. Geez, does one extra snack really affect the bottom line??
Icelandair
7.0
Good
527 reviews
United Airlines
7.4
Good
8,919 reviews

Entertainment

7.1

Overall

7.4

Food

6.6

Comfort

7.3

Boarding

7.7

Crew

8.1

Reviews

1 / 20
4.0
Okay

Thomas,Mar 2025

SFO - TPE

When I asked for an extra snack, I got an unhappy look from the stewardess. Geez, does one extra snack really affect the bottom line??
British Airways
6.7
Okay
7,271 reviews
United Airlines
7.4
Good
8,919 reviews

Entertainment

7.1

Overall

7.4

Food

6.6

Comfort

7.3

Boarding

7.7

Crew

8.1

Reviews

1 / 20
4.0
Okay

Thomas,Mar 2025

SFO - TPE

When I asked for an extra snack, I got an unhappy look from the stewardess. Geez, does one extra snack really affect the bottom line??

Related info for your journey

Find useful and relevant information for your journey from Denver to Belgium. 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 from for flights from Denver to Belgium?

    If you book a flight to Belgium from Denver, you will be flying from Denver Intl, which is the city’s only airport. Denver Intl (DEN) is located 18.5 mi from the center of Denver.

  • What are the most popular routes from Denver to Belgium?

    While some choose either Denver Intl - Charleroi Brussels or Denver Intl - Antwerp Deurne, Denver Intl - Brussels Bruxelles-National is the most popular route from Denver to Belgium.

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

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

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

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

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

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

    Currently, November is the cheapest month in which you can book a flight from Denver to Belgium (average of $614). Flying from Denver to Belgium in June is currently the most expensive (average of $1,079). 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

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Alternative routes for Denver to Belgium

See prices for flight routes from nearby airports that may be better suited for you.
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Top 7 airlines flying from Denver to Belgium

Discover the top 7 airlines that operate flights from Denver 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 August 17, 2025.
AirlineCheapestAverageFlexibilityOn-time
IcelandairCheapest$496Average$742FlexibilityNo cancel feeOn-time76%
Turkish AirlinesCheapest$526Average$621FlexibilityNo cancel feeOn-time77%
Aer LingusCheapest$614Average$879FlexibilityNo cancel feeOn-timeN/A
British AirwaysCheapest$657Average$846FlexibilityNo cancel feeOn-time70%
United AirlinesCheapest$668Average$850FlexibilityNo cancel feeOn-time69%
LufthansaCheapest$689Average$935FlexibilityNo cancel feeOn-time76%
Brussels AirlinesCheapest$759Average$1,091FlexibilityNo cancel feeOn-timeN/A

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