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$352+ Cheap flights from Brussels 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 2/24. Fares are subject to change and may not be available on all flights or dates of travel.
BRU — DEN
Feb 7 — Feb 141
Sat 2/7
Sat 2/14
1 adult, Economy
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Cheap flight deals from Brussels to Denver

Discover tips and strategies to find the most affordable flight options for your journey from Brussels (BR1) to Denver (DEN). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated January 8, 2026.

Round-trip from

$491
(Flighttix)

One-way from

$352
(Kiwi.com)

Popular in

January

Cheapest in

October

Average price

$926
From Brussels to Denver Intl
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One-way flight from Brussels to Denver Intl
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Highest demand for flights based on searches. 13% potential increase in price ($112 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease ($20 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 Brussels to Denver

Cheapest flights from Brussels to Denver
Explore the most affordable flight options available from Brussels to Denver. Find the lowest fares from popular airlines and budget airlines, with prices last updated on January 8, 2026.

This Flighttix 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 Flighttix is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 2/512:50 pmBRU - DEN
1 stop13h 15mIcelandair
Wed 2/183:40 pmDEN - BRU
1 stop12h 15mIcelandair
Deal found 1/8$491
This Ticket 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 Ticket is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 2/57:00 amBRU - DEN
1 stop14h 40mMultiple Airlines
Wed 2/185:35 pmDEN - BRU
1 stop11h 40mMultiple Airlines
Deal found 1/7$562
This Flighttix 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 Flighttix is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 1/1610:00 amBRU - DEN
1 stop17h 55mAir Canada
Mon 1/195:18 amDEN - BRU
2 stops18h 32mAir Canada
Deal found 1/7$590
This Flighttix 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 Flighttix is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 2/210:00 amBRU - DEN
2 stops18h 13mAir Canada
Sun 2/1511:15 amDEN - BRU
1 stop12h 35mAir Canada
Deal found 1/7$594
This AirNGo 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 AirNGo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/2510:45 amBRU - DEN
2 stops17h 38mBritish Airways
Sat 10/32:13 pmDEN - BRU
2 stops16h 07mBritish Airways
Deal found 1/7$603
This Gotogate 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/12:25 pmBRU - DEN
2 stops28h 08mAir Canada
Fri 5/1511:25 amDEN - BRU
2 stops17h 50mAir Canada
Deal found 1/7$605
This Flighttix 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 Flighttix is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 2/57:00 amBRU - DEN
2 stops17h 40mAir Canada
Wed 2/1811:15 amDEN - BRU
1 stop12h 35mAir Canada
Deal found 1/8$607
This Kiwi.com 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/112:40 pmCRL - DEN
1 stop13h 35mMultiple Airlines
Fri 5/158:00 pmDEN - CRL
2 stops28h 10mMultiple Airlines
Deal found 1/7$993
This Mytrip 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/78:50 amCRL - DEN
2 stops18h 10mMultiple Airlines
Fri 9/254:15 pmDEN - CRL
2 stops18h 50mMultiple Airlines
Deal found 1/8$1,058
This Mytrip 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 2/27:00 pmCRL - DEN
2 stops27h 35mMultiple Airlines
Sun 2/1510:30 amDEN - CRL
3 stops27h 45mMultiple Airlines
Deal found 1/6$1,185
This Mytrip 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 7/208:40 pmCRL - DEN
3 stops46h 45mMultiple Airlines
Fri 8/75:45 pmDEN - CRL
2 stops20h 40mMultiple Airlines
Deal found 1/6$1,258
This Kiwi.com 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 6/187:05 amCRL - DEN
2 stops19h 55mMultiple Airlines
Sun 6/218:00 pmDEN - CRL
1 stop14h 15mMultiple Airlines
Deal found 1/7$1,488

Cheapflights Fare Finder

 
Customize your flight search to find flights from Brussels 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 January 8, 2026.
Use the filters below to find and compare flights from Brussels to Denver that are best for you.

Fly from

Brussels

Fly to

Denver

Route

Depart

Return

Price

BrusselsDenver

BRU - DEN

BRUDEN

Brussels Bruxelles-National

Thu 2/5

7:00 am-1:40 pm

1 stop14h 40m

Denver Intl

Wed 2/18

5:35 pm-1:15 pm

1 stop11h 40m

$562

BrusselsDenver

BRU - DEN

BRUDEN

Brussels Bruxelles-National

Thu 2/5

10:00 am-7:55 pm

1 stop17h 55m

Denver Intl

Wed 2/18

11:15 am-7:50 am

1 stop12h 35m

$593

BrusselsDenver

BRU - DEN

BRUDEN

Brussels Bruxelles-National

Fri 5/1

9:25 am-7:00 pm

1 stop17h 35m

Denver Intl

Fri 5/15

11:35 am-1:15 pm

2 stops17h 40m

$593

BrusselsDenver

BRU - DEN

BRUDEN

Brussels Bruxelles-National

Mon 2/2

10:00 am-8:13 pm

2 stops18h 13m

Denver Intl

Sun 2/15

11:15 am-7:50 am

1 stop12h 35m

$594

BrusselsDenver

BRU - DEN

BRUDEN

Brussels Bruxelles-National

Mon 4/13

9:55 pm-4:30 pm

1 stop26h 35m

Denver Intl

Thu 4/30

6:40 pm-8:40 pm

1 stop18h 00m

$631

BrusselsDenver

BRU - DEN

BRUDEN

Brussels Bruxelles-National

Wed 2/11

10:25 am-3:30 pm

1 stop13h 05m

Denver Intl

Mon 3/2

8:00 am-11:10 am

2 stops19h 10m

$632

BrusselsDenver

BRU - DEN

BRUDEN

Brussels Bruxelles-National

Wed 4/1

6:30 am-10:37 pm

2 stops24h 07m

Denver Intl

Wed 4/15

6:40 pm-3:05 pm

1 stop12h 25m

$633

BrusselsDenver

CRL - DEN

CRLDEN

Charleroi Brussels

Fri 5/1

12:40 pm-6:15 pm

1 stop13h 35m

Denver Intl

Fri 5/15

8:00 pm-8:10 am

2 stops28h 10m

$993

BrusselsDenver

CRL - DEN

CRLDEN

Charleroi Brussels

Mon 2/2

7:00 pm-2:35 pm

2 stops27h 35m

Denver Intl

Sun 2/15

10:30 am-10:15 pm

3 stops27h 45m

$1,185

BrusselsDenver

CRL - DEN

CRLDEN

Charleroi Brussels

Thu 6/18

7:05 am-7:00 pm

2 stops19h 55m

Denver Intl

Sun 6/21

8:00 pm-6:15 pm

1 stop14h 15m

$1,488

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/8

Showing 1-10 of 26 results
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Best time to book a flight from Brussels to Denver

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

How far ahead should I book a flight from Brussels to Denver?

Use this chart to determine the optimal time to book a round-trip flight from Brussels to Denver. Price data was last updated on January 2, 2026.

The best time to book flights from Brussels to Denver is 46 days before your desired departure date. The cost of your flight will likely increase significantly if you book two weeks in advance of your flight.

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

Currently, October is the cheapest month in which you can book a flight from Brussels to Denver (average of $507). Flying from Brussels to Denver in January is currently the most expensive (average of $664). 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 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 January 8, 2026.
Get a feel of what it's like to fly with United Airlines, American Airlines, and Brussels Airlines from Brussels to Denver 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
9,141 reviews

Entertainment

7.1

Boarding

7.7

Crew

8.1

Food

6.6

Overall

7.4

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
9,141 reviews
United Airlines
7.4
Good
9,141 reviews

Entertainment

7.1

Boarding

7.7

Crew

8.1

Food

6.6

Overall

7.4

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.
American Airlines
7.2
Good
11,095 reviews
United Airlines
7.4
Good
9,141 reviews

Entertainment

7.1

Boarding

7.7

Crew

8.1

Food

6.6

Overall

7.4

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
380 reviews
United Airlines
7.4
Good
9,141 reviews

Entertainment

7.1

Boarding

7.7

Crew

8.1

Food

6.6

Overall

7.4

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
7,697 reviews
United Airlines
7.4
Good
9,141 reviews

Entertainment

7.1

Boarding

7.7

Crew

8.1

Food

6.6

Overall

7.4

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.
British Airways
6.7
Okay
7,658 reviews
United Airlines
7.4
Good
9,141 reviews

Entertainment

7.1

Boarding

7.7

Crew

8.1

Food

6.6

Overall

7.4

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 Brussels 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 Brussels?

    Located just 18.5 mi from the city center, Denver Intl is the airport most travelers will use when flying to Denver from Brussels. Booking flights from Brussels to Denver Intl (DEN) should be relatively easy as there are 0 daily inbound flights from Brussels from 5 different airlines.

  • How long is the flight from Brussels to Denver?

    For as low as $593, Air Canada can have you in Denver from Brussels in 17h 55m. There are 4848 mi between Brussels and Denver.

  • What are the cheapest airlines flying from Brussels to Denver round-trip?

    Currently priced at $540, American Airlines will fly you from Brussels to Denver and back. In addition to American Airlines, many other airlines offer competitively priced options for your trip. Search Cheapflights for deals from British Airways and United Airlines - these airlines can fly you to your destination from $553 and $615, respectively. American Airlines is currently priced 24% below the average price you’ll pay for this route.

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

    The cheapest airlines for a one-way flight from Brussels to Denver are Aer Lingus ($500), British Airways ($500), and Icelandair ($562).

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

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

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

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

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

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

    Currently, October is the cheapest month in which you can book a flight from Brussels to Denver (average of $507). Flying from Brussels to Denver in January is currently the most expensive (average of $664). 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
Thornton
Black Hawk
Broomfield
Westminster
Lakewood
Golden
Greeley
Lone Tree
Wheat Ridge
Cripple Creek
Winter Park
Silverthorne
Central City
Frisco
Manitou Springs
Fort Morgan
Brighton
Longmont
Evergreen
Idaho Springs

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Alternative routes for Brussels to Denver

See prices for flight routes from nearby airports that may be better suited for you.
Bruxelles-National to Denver flights
Charleroi Brussels to Denver flights
Bruxelles-National to Colorado Springs flights

Top 5 airlines flying from Brussels to Denver

Discover the top 5 airlines that operate flights from Brussels 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 January 8, 2026.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$540Average$647FlexibilityNo cancel feeOn-time71%
British AirwaysCheapest$553Average$687FlexibilityNo 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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