HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Belgium

$216+ 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 4/28. Fares are subject to change and may not be available on all flights or dates of travel.
DEN — BRU
feb. 22 — mar. 11
dom. 2/22
dom. 3/1
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Denver 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 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 enero 23, 2026.

This Kiwi.com deal was found by Cheapflights users on 1/21. 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.
mié. 2/183:40 pm
DEN
-
BRU
1 stop12h 15m
Icelandair
dom. 3/812:50 pm
BRU
-
DEN
1 stop13h 15m
Icelandair
Deal found 1/21$416
This Mytrip deal was found by Cheapflights users on 1/21. 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.
mié. 2/1811:15 am
DEN
-
BRU
2 stops18h 00m
Multiple Airlines
mié. 2/259:00 am
BRU
-
DEN
1 stop15h 00m
Multiple Airlines
Deal found 1/21$493
This Mytrip deal was found by Cheapflights users on 1/20. 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.
mar. 4/711:05 am
DEN
-
BRU
1 stop12h 05m
Multiple Airlines
vie. 4/177:00 am
BRU
-
DEN
1 stop16h 40m
Multiple Airlines
Deal found 1/20$499
This Cheapflightsfares deal was found by Cheapflights users on 1/20. 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.
lun. 4/274:05 pm
DEN
-
BRU
1 stop13h 05m
Lufthansa
mié. 5/137:00 am
BRU
-
DEN
1 stop16h 40m
Lufthansa
Deal found 1/20$502
This United Airlines deal was found by Cheapflights users on 1/21. 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.
mié. 2/185:35 pm
DEN
-
BRU
1 stop11h 40m
United Airlines
mar. 3/1010:00 am
BRU
-
DEN
1 stop16h 55m
United Airlines
Deal found 1/21$509
This Priceline deal was found by Cheapflights users on 1/21. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 2/1811:15 am
DEN
-
BRU
2 stops18h 00m
Air Canada
mié. 2/2510:00 am
BRU
-
DEN
2 stops30h 55m
Air Canada
Deal found 1/21$512
This Air Canada deal was found by Cheapflights users on 1/20. 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.
lun. 4/2711:05 am
DEN
-
BRU
2 stops18h 10m
Air Canada
mié. 5/137:00 am
BRU
-
DEN
2 stops19h 12m
Air Canada
Deal found 1/20$514
This oojo deal was found by Cheapflights users on 1/19. 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.
lun. 10/56:40 pm
DEN
-
BRU
1 stop16h 55m
British Airways
lun. 10/199:15 pm
BRU
-
DEN
1 stop27h 15m
British Airways
Deal found 1/19$517
This Kiwi.com deal was found by Cheapflights users on 1/21. 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.
dom. 5/178:00 pm
DEN
-
CRL
1 stop17h 25m
Multiple Airlines
dom. 5/318:35 am
CRL
-
DEN
2 stops35h 50m
Multiple Airlines
Deal found 1/21$1,026
This Mytrip deal was found by Cheapflights users on 1/20. 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.
jue. 2/58:05 am
DEN
-
CRL
3 stops25h 25m
Multiple Airlines
mié. 2/117:30 pm
CRL
-
DEN
2 stops30h 05m
Multiple Airlines
Deal found 1/20$1,128
This Kiwi.com deal was found by Cheapflights users on 1/22. 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.
dom. 7/128:00 pm
DEN
-
CRL
1 stop17h 25m
Multiple Airlines
vie. 7/179:50 am
CRL
-
DEN
1 stop16h 25m
Multiple Airlines
Deal found 1/22$1,311
This Kiwi.com deal was found by Cheapflights users on 1/19. 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.
dom. 6/148:00 pm
DEN
-
CRL
1 stop14h 15m
Multiple Airlines
vie. 6/2612:40 pm
CRL
-
DEN
1 stop13h 35m
Multiple Airlines
Deal found 1/19$1,332

Find flight deals from Denver to Belgium

Keep the following information in mind while searching for Denver to Belgium flight deals. Data was last updated enero 23, 2026.

Round-trip from

$416
(Kiwi.com)

One-way from

$216
(oojo)

Popular in

July

Cheapest in

November

Average price

$742
From Denver Intl to Belgium
Search Deals
One-way flight from Denver Intl to Belgium
Search Deals
Highest demand for flights based on searches. 5% potential increase in price ($49 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 1% potential price decrease ($10 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in January 2026
Search Deals

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 enero 23, 2026.
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

lun. 4/27

8:52 pm-9:00 am

1 stop28h 08m

Brussels Bruxelles-National

vie. 5/1

9:25 am-10:34 am

1 stop33h 09m

$533

DenverBrussels

DEN - BRU

DENBRU

Denver Intl

lun. 4/27

1:25 pm-1:15 pm

2 stops15h 50m

Brussels Bruxelles-National

vie. 5/1

9:25 am-7:00 pm

1 stop17h 35m

$546

DenverBrussels

DEN - BRU

DENBRU

Denver Intl

vie. 3/6

6:10 am-7:15 am

1 stop17h 05m

Brussels Bruxelles-National

vie. 3/13

9:00 am-2:40 pm

1 stop12h 40m

$570

DenverBrussels

DEN - BRU

DENBRU

Denver Intl

sáb. 4/11

9:55 am-7:10 am

2 stops37h 15m

Brussels Bruxelles-National

dom. 4/19

9:25 am-7:55 pm

1 stop18h 30m

$573

DenverBrussels

DEN - BRU

DENBRU

Denver Intl

jue. 5/7

4:40 pm-12:55 pm

1 stop12h 15m

Brussels Bruxelles-National

mar. 6/16

1:50 pm-12:25 pm

1 stop30h 35m

$584

DenverBrussels

DEN - BRU

DENBRU

Denver Intl

mié. 5/6

4:40 pm-12:55 pm

1 stop12h 15m

Brussels Bruxelles-National

vie. 6/19

1:50 pm-12:25 pm

1 stop30h 35m

$584

DenverBrussels

DEN - BRU

DENBRU

Denver Intl

jue. 5/7

4:40 pm-12:55 pm

1 stop12h 15m

Brussels Bruxelles-National

vie. 6/19

1:50 pm-12:25 pm

1 stop30h 35m

$584

DenverBrussels

DEN - BRU

DENBRU

Denver Intl

vie. 5/15

9:40 am-7:10 am

1 stop13h 30m

Brussels Bruxelles-National

sáb. 5/23

9:25 am-7:00 pm

1 stop17h 35m

$630

DenverBrussels

DEN - BRU

DENBRU

Denver Intl

sáb. 3/28

10:20 am-6:55 pm

2 stops25h 35m

Brussels Bruxelles-National

sáb. 4/4

10:10 pm-4:30 pm

1 stop26h 20m

$635

DenverBrussels

DEN - CRL

DENCRL

Denver Intl

dom. 5/17

8:00 pm-9:25 pm

1 stop17h 25m

Charleroi Brussels

dom. 5/31

8:35 am-12:25 pm

2 stops35h 50m

$1,026

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/20

Showing 1-10 of 29 results
1
2
3

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, May is the cheapest month in which you can book a flight from Denver to Belgium (average of $496). Flying from Denver to Belgium in June is currently the most expensive (average of $690). 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.

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 enero 23, 2026.
Get a feel of what it's like to fly with United Airlines, Aer Lingus, and Brussels Airlines 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
9,192 reviews

Food

6.6

Entertainment

7.1

Overall

7.4

Comfort

7.3

Crew

8.1

Boarding

7.7

Reviews

1 / 20
10.0
Excellent

Dane,Jan 2026

TYS - IAD

It was a short flight, so no time for amenities. Just glad everything was quick and easy from boarding to arriving at my destination with my family
United Airlines
7.4
Good
9,192 reviews
United Airlines
7.4
Good
9,192 reviews

Food

6.6

Entertainment

7.1

Overall

7.4

Comfort

7.3

Crew

8.1

Boarding

7.7

Reviews

1 / 20
10.0
Excellent

Dane,Jan 2026

TYS - IAD

It was a short flight, so no time for amenities. Just glad everything was quick and easy from boarding to arriving at my destination with my family
Aer Lingus
7.2
Good
1,441 reviews
United Airlines
7.4
Good
9,192 reviews

Food

6.6

Entertainment

7.1

Overall

7.4

Comfort

7.3

Crew

8.1

Boarding

7.7

Reviews

1 / 20
10.0
Excellent

Dane,Jan 2026

TYS - IAD

It was a short flight, so no time for amenities. Just glad everything was quick and easy from boarding to arriving at my destination with my family
Brussels Airlines
7.2
Good
382 reviews
United Airlines
7.4
Good
9,192 reviews

Food

6.6

Entertainment

7.1

Overall

7.4

Comfort

7.3

Crew

8.1

Boarding

7.7

Reviews

1 / 20
10.0
Excellent

Dane,Jan 2026

TYS - IAD

It was a short flight, so no time for amenities. Just glad everything was quick and easy from boarding to arriving at my destination with my family
Icelandair
7.1
Good
602 reviews
United Airlines
7.4
Good
9,192 reviews

Food

6.6

Entertainment

7.1

Overall

7.4

Comfort

7.3

Crew

8.1

Boarding

7.7

Reviews

1 / 20
10.0
Excellent

Dane,Jan 2026

TYS - IAD

It was a short flight, so no time for amenities. Just glad everything was quick and easy from boarding to arriving at my destination with my family
Lufthansa
6.8
Okay
7,742 reviews
United Airlines
7.4
Good
9,192 reviews

Food

6.6

Entertainment

7.1

Overall

7.4

Comfort

7.3

Crew

8.1

Boarding

7.7

Reviews

1 / 20
10.0
Excellent

Dane,Jan 2026

TYS - IAD

It was a short flight, so no time for amenities. Just glad everything was quick and easy from boarding to arriving at my destination with my family

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.

  • How long is the flight from Denver to Belgium?

    United Airlines and Air Canada can get you from Denver to Belgium in just under 15h 50m. Your travel time can differ by up to 12h 18m. Denver and Belgium are separated by a distance of 4848 mi. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

  • 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, May is the cheapest month in which you can book a flight from Denver to Belgium (average of $496). Flying from Denver to Belgium in June is currently the most expensive (average of $690). 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 Denver to Belgium

See prices for flight routes from nearby airports that may be better suited for you.
Denver to Heathrow flights
Denver to Leonardo da Vinci/Fiumicino flights
Denver to Dublin flights
Denver to Charles de Gaulle flights
Denver to Gatwick flights
Denver to Orly flights
Denver to Frankfurt flights
Denver to London City flights
Denver to Madrid flights
Denver to Barcelona-El Prat flights
Denver to Lisbon flights
Denver to Athens flights
Denver to Malpensa flights
Denver to Stansted flights
Denver to Linate flights
Denver to Munich flights
Denver to Istanbul flights
Denver to Vicenza flights
Denver to Amsterdam flights
Denver to Keflavik Intl flights
Denver to Florence flights
Denver to Zurich flights
Denver to Oslo Gardermoen flights
Denver to Luqa flights
Denver to Edinburgh flights
Denver to Sabiha Gokcen flights
Denver to Geneva flights
Denver to Glasgow Intl flights
Denver to Bruxelles-National flights
Denver to Naples flights
Denver to Arlanda flights
Denver to Luton flights
Denver to Berlin flights
Denver to Otopeni Intl flights
Denver to Copenhagen flights
Denver to Frederic Chopin flights
Denver to Budapest flights
Denver to Bologna flights
Denver to Porto flights
Denver to Prague flights
Denver to Bergamo flights
Denver to Shannon flights
Denver to Catania flights
Denver to Krakow flights
Denver to Helsinki flights
Denver to Dubrovnik flights
Denver to Málaga flights
Denver to Palermo flights
Denver to Vienna flights

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 enero 23, 2026.
AirlineCheapestAverageFlexibilityOn-time
IcelandairCheapest$496Average$718FlexibilityNo cancel feeOn-time76%
Turkish AirlinesCheapest$602Average$671FlexibilityNo cancel feeOn-time77%
British AirwaysCheapest$636Average$841FlexibilityNo cancel feeOn-time70%
Aer LingusCheapest$640Average$878FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$642Average$841FlexibilityNo cancel feeOn-time69%
LufthansaCheapest$689Average$749FlexibilityNo cancel feeOn-time76%
Brussels AirlinesCheapest$694Average$1,057FlexibilityNo cancel feeOn-timeN/A

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
Cookie settings©2026 Cheapflights