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$340+ 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 2/7. Fares are subject to change and may not be available on all flights or dates of travel.
BRU — DEN
Dec 13 — Dec 201
Sat 12/13
Sat 12/20
1 adult, Economy
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Cheapflights Tip: The best prices from Brussels to Denver Intl are usually found in October or September, booked 46 days in advance, depart on a Thursday or Wednesday and return on a Wednesday

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 November 13, 2025.

This Flighttix deal was found by Cheapflights users on 11/11. 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 11/277:00 amBRU - DEN
1 stop17h 00mMultiple Airlines
Wed 12/105:35 pmDEN - BRU
1 stop11h 40mMultiple Airlines
Deal found 11/11$661
This Flighttix deal was found by Cheapflights users on 11/12. 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 12/89:00 amBRU - DEN
1 stop15h 00mMultiple Airlines
Tue 12/235:30 pmDEN - BRU
2 stops30h 20mMultiple Airlines
Deal found 11/12$664
This Gotogate deal was found by Cheapflights users on 11/11. 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.
Thu 11/277:00 amBRU - DEN
2 stops20h 55mAir Canada
Wed 12/1011:15 amDEN - BRU
2 stops14h 55mAir Canada
Deal found 11/11$680
This Flighttix deal was found by Cheapflights users on 11/10. 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 11/2710:00 amBRU - DEN
1 stop17h 55mBrussels Airlines
Wed 12/105:35 pmDEN - BRU
1 stop11h 40mBrussels Airlines
Deal found 11/10$684
This United Airlines deal was found by Cheapflights users on 11/11. 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.
Thu 11/277:00 amBRU - DEN
1 stop14h 40mUnited Airlines
Wed 12/105:35 pmDEN - BRU
1 stop11h 40mUnited Airlines
Deal found 11/11$688
This Mytrip deal was found by Cheapflights users on 11/11. 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.
Thu 11/277:25 amCRL - DEN
2 stops20h 30mMultiple Airlines
Wed 12/101:25 pmDEN - CRL
2 stops18h 40mMultiple Airlines
Deal found 11/11$1,036
This Mytrip deal was found by Cheapflights users on 11/12. 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 11/1710:10 amCRL - DEN
2 stops15h 55mMultiple Airlines
Sun 11/305:45 pmDEN - CRL
2 stops20h 30mMultiple Airlines
Deal found 11/12$1,263
This Mytrip deal was found by Cheapflights users on 11/11. 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.
Thu 11/207:35 amCRL - DEN
2 stops18h 30mMultiple Airlines
Wed 12/34:20 pmDEN - CRL
2 stops20h 35mMultiple Airlines
Deal found 11/11$1,270
This Mytrip deal was found by Cheapflights users on 11/11. 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.
Fri 12/268:30 pmCRL - DEN
2 stops26h 05mMultiple Airlines
Thu 1/15:45 pmDEN - CRL
2 stops20h 40mMultiple Airlines
Deal found 11/11$1,582

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 November 13, 2025.

Round-trip from

$559
(Sembo)

One-way from

$340
(Kiwi.com)

Popular in

December

Cheapest in

October

Average price

$662
From Brussels to Denver Intl
Search Deals
One-way flight from Brussels to Denver Intl
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Highest demand for flights based on searches. 7% potential increase in price ($58 potential increase over avg. RT price).
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Cheapest flight prices on average. 1% potential price decrease ($11 potential savings vs. average RT price).
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Average for round-trip flights in November 2025
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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 November 13, 2025.
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 2/12

12:50 pm-6:05 pm

1 stop13h 15m

Denver Intl

Sat 3/7

3:40 pm-11:55 am

1 stop12h 15m

$577

BrusselsDenver

BRU - DEN

BRUDEN

Brussels Bruxelles-National

Thu 11/27

7:00 am-4:00 pm

1 stop17h 00m

Denver Intl

Wed 12/10

5:35 pm-1:15 pm

1 stop11h 40m

$661

BrusselsDenver

BRU - DEN

BRUDEN

Brussels Bruxelles-National

Thu 11/27

7:00 am-7:55 pm

2 stops20h 55m

Denver Intl

Wed 12/10

5:35 pm-1:15 pm

1 stop11h 40m

$688

BrusselsDenver

BRU - DEN

BRUDEN

Brussels Bruxelles-National

Thu 3/26

7:00 am-7:55 pm

2 stops19h 55m

Denver Intl

Wed 4/8

11:40 am-1:15 pm

2 stops17h 35m

$688

BrusselsDenver

BRU - DEN

BRUDEN

Brussels Bruxelles-National

Wed 2/11

7:00 am-1:40 pm

1 stop14h 40m

Denver Intl

Mon 3/2

10:20 am-7:15 am

1 stop12h 55m

$688

BrusselsDenver

BRU - DEN

BRUDEN

Brussels Bruxelles-National

Sat 2/7

7:00 am-7:55 pm

2 stops20h 55m

Denver Intl

Thu 7/23

8:20 pm-1:15 pm

1 stop32h 55m

$689

BrusselsDenver

CRL - DEN

CRLDEN

Charleroi Brussels

Thu 11/27

7:25 am-7:55 pm

2 stops20h 30m

Denver Intl

Wed 12/10

1:25 pm-4:05 pm

2 stops18h 40m

$1,036

BrusselsDenver

CRL - DEN

CRLDEN

Charleroi Brussels

Thu 1/8

6:40 am-6:05 pm

2 stops19h 25m

Denver Intl

Wed 1/21

3:40 pm-8:55 pm

2 stops21h 15m

$1,247

BrusselsDenver

CRL - DEN

CRLDEN

Charleroi Brussels

Mon 11/17

10:10 am-6:05 pm

2 stops15h 55m

Denver Intl

Sun 11/30

5:45 pm-10:15 pm

2 stops20h 30m

$1,263

BrusselsDenver

CRL - DEN

CRLDEN

Charleroi Brussels

Thu 11/20

7:35 am-6:05 pm

2 stops18h 30m

Denver Intl

Wed 12/3

4:20 pm-8:55 pm

2 stops20h 35m

$1,270

Flights are sorted by cheapest round-trip flights first.

Deals found on 11/12

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 November 7, 2025.

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, September is the cheapest month in which you can book a flight from Brussels to Denver (average of $498). Flying from Brussels to Denver in May is currently the most expensive (average of $579). 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 BRU to DEN?

Find hourly flight availability from Brussels 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 November 13, 2025.

One of the essential ways to save on airfare from Brussels to Denver is to remain as flexible as possible. Flights that are in the afternoon tend to be the most expensive. A flight at noon could potentially save you up to 13% on airfare.

How much does it cost to fly round-trip from Brussels to Denver?

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 November 13, 2025.
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
9,017 reviews

Comfort

7.3

Crew

8.1

Food

6.6

Boarding

7.7

Entertainment

7.1

Overall

7.4

Reviews

1 / 20
2.0
Mediocre

Sebrena,Oct 2025

IAH - RSW

The worst that I have ever experienced in my life so bad if it was free I'm not ever going to use your Airline again I dont believe ..... very disappointed 😞 😔0000000000000
United Airlines
7.4
Good
9,017 reviews
United Airlines
7.4
Good
9,017 reviews

Comfort

7.3

Crew

8.1

Food

6.6

Boarding

7.7

Entertainment

7.1

Overall

7.4

Reviews

1 / 20
2.0
Mediocre

Sebrena,Oct 2025

IAH - RSW

The worst that I have ever experienced in my life so bad if it was free I'm not ever going to use your Airline again I dont believe ..... very disappointed 😞 😔0000000000000
American Airlines
7.2
Good
11,050 reviews
United Airlines
7.4
Good
9,017 reviews

Comfort

7.3

Crew

8.1

Food

6.6

Boarding

7.7

Entertainment

7.1

Overall

7.4

Reviews

1 / 20
2.0
Mediocre

Sebrena,Oct 2025

IAH - RSW

The worst that I have ever experienced in my life so bad if it was free I'm not ever going to use your Airline again I dont believe ..... very disappointed 😞 😔0000000000000
Brussels Airlines
7.2
Good
369 reviews
United Airlines
7.4
Good
9,017 reviews

Comfort

7.3

Crew

8.1

Food

6.6

Boarding

7.7

Entertainment

7.1

Overall

7.4

Reviews

1 / 20
2.0
Mediocre

Sebrena,Oct 2025

IAH - RSW

The worst that I have ever experienced in my life so bad if it was free I'm not ever going to use your Airline again I dont believe ..... very disappointed 😞 😔0000000000000
Lufthansa
6.8
Okay
7,572 reviews
United Airlines
7.4
Good
9,017 reviews

Comfort

7.3

Crew

8.1

Food

6.6

Boarding

7.7

Entertainment

7.1

Overall

7.4

Reviews

1 / 20
2.0
Mediocre

Sebrena,Oct 2025

IAH - RSW

The worst that I have ever experienced in my life so bad if it was free I'm not ever going to use your Airline again I dont believe ..... very disappointed 😞 😔0000000000000
British Airways
6.7
Okay
7,517 reviews
United Airlines
7.4
Good
9,017 reviews

Comfort

7.3

Crew

8.1

Food

6.6

Boarding

7.7

Entertainment

7.1

Overall

7.4

Reviews

1 / 20
2.0
Mediocre

Sebrena,Oct 2025

IAH - RSW

The worst that I have ever experienced in my life so bad if it was free I'm not ever going to use your Airline again I dont believe ..... very disappointed 😞 😔0000000000000

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 $577, Icelandair can have you in Denver from Brussels in 13h 15m. 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 $544 and $615, respectively. American Airlines is currently priced 21% below the average price you’ll pay for this route.

  • 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, September is the cheapest month in which you can book a flight from Brussels to Denver (average of $498). Flying from Brussels to Denver in May is currently the most expensive (average of $579). 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
Black Hawk
Westminster
Broomfield
Lakewood
Golden
Winter Park
Greeley
Lone Tree
Cripple Creek
Thornton
Silverthorne
Wheat Ridge
Central City
Manitou Springs
Fort Morgan
Brighton
Longmont
Idaho Springs
Parker
Sterling

Browse thousands of different options on Cheapflights for your next trip

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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 November 13, 2025.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$540Average$647FlexibilityNo cancel feeOn-time71%
British AirwaysCheapest$544Average$685FlexibilityNo cancel feeOn-time70%
United AirlinesCheapest$615Average$759FlexibilityNo cancel feeOn-time69%
Brussels AirlinesCheapest$636Average$671FlexibilityNo cancel feeOn-timeN/A
LufthansaCheapest$637Average$849FlexibilityNo cancel feeOn-time76%

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