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$205+ 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 7 — Feb 141
Sat 2/7
Sat 2/14
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 January 8, 2026.

Round-trip from

$394
(FlightHub)

One-way from

$205
(Kiwi.com)

Popular in

July

Cheapest in

November

Average price

$798
From Denver Intl to Belgium
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One-way flight from Denver Intl to Belgium
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Highest demand for flights based on searches. 5% potential increase in price ($42 potential increase over avg. RT price).
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Cheapest flight prices on average. 1% potential price decrease ($10 potential savings vs. average RT price).
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Average for round-trip flights in January 2026
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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 January 8, 2026.

This FlightHub deal was found by Cheapflights users on 1/7. 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.
Wed 2/113:40 pmDEN - BRU
1 stop12h 15mIcelandair
Thu 2/2612:50 pmBRU - DEN
1 stop13h 15mIcelandair
Deal found 1/7$394
This oojo deal was found by Cheapflights users on 1/7. 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.
Tue 5/54:40 pmDEN - BRU
1 stop12h 15mIcelandair
Mon 5/181:50 pmBRU - DEN
1 stop13h 10mIcelandair
Deal found 1/7$411
This Icelandair deal was found by Cheapflights users on 1/7. 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 2/113:40 pmDEN - BRU
1 stop12h 15mIcelandair
Fri 2/2712:50 pmBRU - DEN
1 stop13h 15mIcelandair
Deal found 1/7$417
This Flightnetwork deal was found by Cheapflights users on 1/6. 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 Flightnetwork is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 1/283:40 pmDEN - BRU
1 stop12h 15mIcelandair
Thu 2/512:50 pmBRU - DEN
1 stop13h 15mIcelandair
Deal found 1/6$458
This Icelandair deal was found by Cheapflights users on 1/6. 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.
Thu 4/94:40 pmDEN - BRU
1 stop12h 15mIcelandair
Thu 4/161:50 pmBRU - DEN
1 stop13h 10mIcelandair
Deal found 1/6$497
This KAYAK deal was found by Cheapflights users on 1/6. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/2710:28 amDEN - BRU
2 stops24h 42mBritish Airways
Wed 5/133:15 pmBRU - DEN
1 stop33h 15mBritish Airways
Deal found 1/6$515
This oojo deal was found by Cheapflights users on 1/7. 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.
Tue 5/510:28 amDEN - BRU
2 stops25h 57mBritish Airways
Mon 5/188:50 pmBRU - DEN
1 stop27h 40mBritish Airways
Deal found 1/7$518
This KAYAK deal was found by Cheapflights users on 1/6. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 4/56:40 pmDEN - BRU
1 stop14h 25mBritish Airways
Tue 4/148:25 pmBRU - DEN
1 stop28h 05mBritish Airways
Deal found 1/6$519
This oojo deal was found by Cheapflights users on 1/7. 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.
Wed 3/185:58 pmDEN - BRU
2 stops15h 22mBritish Airways
Wed 4/111:00 amBRU - DEN
1 stop13h 30mBritish Airways
Deal found 1/7$520
This oojo deal was found by Cheapflights users on 1/6. 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.
Tue 4/78:40 amDEN - BRU
2 stops27h 45mBritish Airways
Tue 4/148:25 pmBRU - DEN
1 stop28h 05mBritish Airways
Deal found 1/6$521
This KAYAK deal was found by Cheapflights users on 1/7. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 2/85:25 pmDEN - BRU
1 stop18h 30mBritish Airways
Mon 2/238:45 pmBRU - DEN
1 stop26h 45mBritish Airways
Deal found 1/7$522
This Kiwi.com deal was found by Cheapflights users on 1/8. 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.
Wed 4/155:40 pmDEN - CRL
2 stops14h 25mMultiple Airlines
Wed 5/69:20 amCRL - DEN
1 stop16h 55mMultiple Airlines
Deal found 1/8$868

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 January 8, 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

Thu 4/9

4:40 pm-12:55 pm

1 stop12h 15m

Brussels Bruxelles-National

Thu 4/16

1:50 pm-7:00 pm

1 stop13h 10m

$497

DenverBrussels

DEN - BRU

DENBRU

Denver Intl

Wed 5/6

10:36 am-8:25 pm

2 stops25h 49m

Brussels Bruxelles-National

Mon 5/18

8:50 pm-4:30 pm

1 stop27h 40m

$518

DenverBrussels

DEN - BRU

DENBRU

Denver Intl

Mon 4/6

6:40 pm-2:20 pm

1 stop11h 40m

Brussels Bruxelles-National

Wed 4/15

10:55 am-4:30 pm

1 stop13h 35m

$519

DenverBrussels

DEN - BRU

DENBRU

Denver Intl

Mon 4/27

8:40 am-2:20 pm

2 stops21h 40m

Brussels Bruxelles-National

Wed 5/13

9:10 pm-4:30 pm

1 stop27h 20m

$520

DenverBrussels

DEN - BRU

DENBRU

Denver Intl

Tue 5/5

9:18 am-3:15 pm

2 stops21h 57m

Brussels Bruxelles-National

Mon 5/18

8:50 pm-10:40 pm

2 stops33h 50m

$521

DenverBrussels

DEN - BRU

DENBRU

Denver Intl

Thu 4/9

4:40 pm-12:55 pm

1 stop12h 15m

Brussels Bruxelles-National

Mon 4/13

1:50 pm-7:00 pm

1 stop13h 10m

$522

DenverBrussels

DEN - BRU

DENBRU

Denver Intl

Sun 3/15

6:00 am-8:00 am

1 stop19h 00m

Brussels Bruxelles-National

Tue 3/31

9:45 am-8:14 pm

1 stop18h 29m

$524

DenverBrussels

DEN - BRU

DENBRU

Denver Intl

Sat 4/4

3:15 pm-7:40 am

1 stop32h 25m

Brussels Bruxelles-National

Tue 4/14

9:45 am-12:26 am

1 stop22h 41m

$526

DenverBrussels

DEN - BRU

DENBRU

Denver Intl

Sat 3/21

4:27 pm-8:00 am

1 stop32h 33m

Brussels Bruxelles-National

Thu 4/2

9:45 am-10:18 pm

1 stop20h 33m

$528

DenverBrussels

DEN - BRU

DENBRU

Denver Intl

Mon 4/6

6:00 am-7:40 am

1 stop17h 40m

Brussels Bruxelles-National

Fri 4/17

6:20 am-7:45 pm

2 stops21h 25m

$530

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/7

Showing 1-10 of 30 results
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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, 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 $685). 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 January 8, 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
9,139 reviews

Crew

8.1

Overall

7.4

Food

6.6

Boarding

7.7

Entertainment

7.1

Comfort

7.3

Reviews

1 / 20
10.0
Excellent

Dane,Jan 2026

IAD - TYS

It was a short flight on a small express plane, so no time for amenities. Quickly on, quickly off. No complaints.
United Airlines
7.4
Good
9,139 reviews
United Airlines
7.4
Good
9,139 reviews

Crew

8.1

Overall

7.4

Food

6.6

Boarding

7.7

Entertainment

7.1

Comfort

7.3

Reviews

1 / 20
10.0
Excellent

Dane,Jan 2026

IAD - TYS

It was a short flight on a small express plane, so no time for amenities. Quickly on, quickly off. No complaints.
Aer Lingus
7.2
Good
1,427 reviews
United Airlines
7.4
Good
9,139 reviews

Crew

8.1

Overall

7.4

Food

6.6

Boarding

7.7

Entertainment

7.1

Comfort

7.3

Reviews

1 / 20
10.0
Excellent

Dane,Jan 2026

IAD - TYS

It was a short flight on a small express plane, so no time for amenities. Quickly on, quickly off. No complaints.
Brussels Airlines
7.2
Good
379 reviews
United Airlines
7.4
Good
9,139 reviews

Crew

8.1

Overall

7.4

Food

6.6

Boarding

7.7

Entertainment

7.1

Comfort

7.3

Reviews

1 / 20
10.0
Excellent

Dane,Jan 2026

IAD - TYS

It was a short flight on a small express plane, so no time for amenities. Quickly on, quickly off. No complaints.
Icelandair
7.1
Good
593 reviews
United Airlines
7.4
Good
9,139 reviews

Crew

8.1

Overall

7.4

Food

6.6

Boarding

7.7

Entertainment

7.1

Comfort

7.3

Reviews

1 / 20
10.0
Excellent

Dane,Jan 2026

IAD - TYS

It was a short flight on a small express plane, so no time for amenities. Quickly on, quickly off. No complaints.
Lufthansa
6.8
Okay
7,692 reviews
United Airlines
7.4
Good
9,139 reviews

Crew

8.1

Overall

7.4

Food

6.6

Boarding

7.7

Entertainment

7.1

Comfort

7.3

Reviews

1 / 20
10.0
Excellent

Dane,Jan 2026

IAD - TYS

It was a short flight on a small express plane, so no time for amenities. Quickly on, quickly off. No complaints.

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?

    Icelandair and British Airways can get you from Denver to Belgium in just under 12h 15m. Your travel time can differ by up to 13h 34m. 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 $685). 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 January 8, 2026.
AirlineCheapestAverageFlexibilityOn-time
IcelandairCheapest$496Average$691FlexibilityNo cancel feeOn-time76%
Turkish AirlinesCheapest$570Average$657FlexibilityNo cancel feeOn-time77%
British AirwaysCheapest$636Average$844FlexibilityNo cancel feeOn-time70%
Aer LingusCheapest$640Average$878FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$642Average$836FlexibilityNo cancel feeOn-time69%
LufthansaCheapest$691Average$753FlexibilityNo cancel feeOn-time76%
Brussels AirlinesCheapest$703Average$1,057FlexibilityNo cancel feeOn-timeN/A

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