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$537+ 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 7/19. Fares are subject to change and may not be available on all flights or dates of travel.
BRU — DEN
Apr 29 — May 61
Tue 4/29
Tue 5/6
1 adult, Economy
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Cheapflights Tip: The best prices from Brussels to Denver Intl are usually found in September or March, booked 23 days in advance, depart on a Thursday or Wednesday and return on a Wednesday

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 April 24, 2025.

Round-trip from

$577
(Gotogate)

One-way from

$537
(Kiwi.com)

Popular in

August

Cheapest in

September

Average price

$659
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. 5% potential increase in price ($45 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 April 2025
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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 April 24, 2025.

This Gotogate deal was found by Cheapflights users on 4/22. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/171:50 pmBRU - DEN
1 stop13h 05mIcelandair
Wed 9/244:40 pmDEN - BRU
1 stop12h 10mIcelandair
Deal found 4/22$577
This American Airlines deal was found by Cheapflights users on 4/22. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 6/1110:55 amBRU - DEN
1 stop13h 30mAmerican Airlines
Wed 6/256:35 pmDEN - BRU
1 stop11h 30mAmerican Airlines
Deal found 4/22$607
This Booking.com deal was found by Cheapflights users on 4/22. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/1710:55 amBRU - DEN
1 stop13h 30mBritish Airways
Wed 9/246:48 pmDEN - BRU
2 stops17h 37mBritish Airways
Deal found 4/22$611
This Expedia deal was found by Cheapflights users on 4/22. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/210:20 amBRU - DEN
1 stop15h 39mAer Lingus
Sun 5/187:55 pmDEN - BRU
1 stop16h 45mAer Lingus
Deal found 4/22$623
This Virgin Atlantic deal was found by Cheapflights users on 4/23. 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 Virgin Atlantic is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/810:45 amBRU - DEN
2 stops21h 27mVirgin Atlantic
Fri 5/237:06 amDEN - BRU
1 stop17h 34mVirgin Atlantic
Deal found 4/23$646
This United Airlines deal was found by Cheapflights users on 4/22. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/2110:00 amBRU - DEN
1 stop16h 20mUnited Airlines
Wed 7/21:25 pmDEN - BRU
1 stop11h 35mUnited Airlines
Deal found 4/22$660
This Finnair deal was found by Cheapflights users on 4/22. 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 Finnair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/226:35 amBRU - DEN
2 stops24h 58mFinnair
Mon 6/3012:44 pmDEN - BRU
2 stops36h 36mFinnair
Deal found 4/22$663
This Air Canada deal was found by Cheapflights users on 4/22. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/2210:00 amBRU - DEN
1 stop32h 27mAir Canada
Tue 7/19:40 amDEN - BRU
1 stop14h 20mAir Canada
Deal found 4/22$664
This Delta deal was found by Cheapflights users on 4/23. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 6/210:45 amBRU - DEN
2 stops19h 12mDelta
Mon 6/2312:59 amDEN - BRU
1 stop23h 41mDelta
Deal found 4/23$665
This Lufthansa deal was found by Cheapflights users on 4/22. 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 Lufthansa is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/238:55 amBRU - DEN
1 stop12h 50mMultiple Airlines
Thu 7/311:15 amDEN - BRU
1 stop12h 00mMultiple Airlines
Deal found 4/22$670
This Lufthansa deal was found by Cheapflights users on 4/22. 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 Lufthansa is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/2310:15 amBRU - DEN
1 stop14h 11mLufthansa
Sun 7/611:25 amDEN - BRU
1 stop13h 35mLufthansa
Deal found 4/22$677
This SWISS deal was found by Cheapflights users on 4/22. 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 SWISS is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/206:55 amBRU - DEN
2 stops22h 45mSWISS
Mon 6/304:00 pmDEN - BRU
2 stops19h 15mSWISS
Deal found 4/22$693

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 April 24, 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

Wed 9/17

1:50 pm-6:55 pm

1 stop13h 05m

Denver Intl

Wed 9/24

4:40 pm-12:50 pm

1 stop12h 10m

$577

BrusselsDenver

BRU - DEN

BRUDEN

Brussels Bruxelles-National

Wed 6/11

10:55 am-4:25 pm

1 stop13h 30m

Denver Intl

Wed 6/25

6:35 pm-2:05 pm

1 stop11h 30m

$607

BrusselsDenver

BRU - DEN

BRUDEN

Brussels Bruxelles-National

Wed 9/17

10:55 am-4:25 pm

1 stop13h 30m

Denver Intl

Wed 9/24

6:48 pm-8:25 pm

2 stops17h 37m

$611

BrusselsDenver

BRU - DEN

BRUDEN

Brussels Bruxelles-National

Thu 5/8

10:45 am-8:39 pm

1 stop17h 54m

Denver Intl

Fri 5/23

7:06 am-8:40 am

1 stop17h 34m

$646

BrusselsDenver

BRU - DEN

BRUDEN

Brussels Bruxelles-National

Wed 5/21

10:00 am-6:20 pm

1 stop16h 20m

Denver Intl

Wed 7/2

1:25 pm-9:00 am

1 stop11h 35m

$660

BrusselsDenver

BRU - DEN

BRUDEN

Brussels Bruxelles-National

Thu 5/22

6:35 am-11:33 pm

2 stops24h 58m

Denver Intl

Mon 6/30

12:44 pm-9:20 am

2 stops36h 36m

$663

BrusselsDenver

BRU - DEN

BRUDEN

Brussels Bruxelles-National

Thu 5/22

10:00 am-6:20 pm

1 stop16h 20m

Denver Intl

Wed 7/2

9:40 am-8:00 am

1 stop14h 20m

$664

BrusselsDenver

BRU - DEN

BRUDEN

Brussels Bruxelles-National

Mon 6/2

10:45 am-9:57 pm

2 stops19h 12m

Denver Intl

Mon 6/23

12:59 am-8:40 am

1 stop23h 41m

$665

BrusselsDenver

BRU - DEN

BRUDEN

Brussels Bruxelles-National

Fri 5/23

8:55 am-1:45 pm

1 stop12h 50m

Denver Intl

Thu 7/3

11:15 am-7:15 am

1 stop12h 00m

$670

BrusselsDenver

BRU - DEN

BRUDEN

Brussels Bruxelles-National

Fri 5/23

10:15 am-4:26 pm

1 stop14h 11m

Denver Intl

Wed 7/2

11:25 am-9:00 am

1 stop13h 35m

$677

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/22

Showing 1-10 of 31 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 April 18, 2025.

The best time to book flights from Brussels to Denver is 23 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 $197). Flying from Brussels to Denver in March is currently the most expensive (average of $278). 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 April 24, 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.

Rainfall in Denver by month

Plan your trip to Denver by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Denver ranges from 0.5 - 2.3 inches per month. May is typically the wettest month, when rainfall can reach 2.3 in. January is typically the driest time to visit Denver when rainfall is around 0.5 in.

Temperature in Denver by month

Plan your trip to Denver by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Denver, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 73.4 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 30.2 F).

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 April 24, 2025.
Peruse reviews from past customers who have flown with Delta, KLM and Finnair from Brussels to Denver to help guide your decision. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very good
7,920 reviews

Boarding

8.2

Overall

8.0

Entertainment

7.9

Food

7.3

Crew

8.5

Comfort

7.9

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception
Delta
8.0
Very good
7,920 reviews
Delta
8.0
Very good
7,920 reviews

Boarding

8.2

Overall

8.0

Entertainment

7.9

Food

7.3

Crew

8.5

Comfort

7.9

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception
KLM
7.8
Good
1,333 reviews
Delta
8.0
Very good
7,920 reviews

Boarding

8.2

Overall

8.0

Entertainment

7.9

Food

7.3

Crew

8.5

Comfort

7.9

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception
Finnair
7.6
Good
1,272 reviews
Delta
8.0
Very good
7,920 reviews

Boarding

8.2

Overall

8.0

Entertainment

7.9

Food

7.3

Crew

8.5

Comfort

7.9

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception
Austrian Airlines
7.6
Good
780 reviews
Delta
8.0
Very good
7,920 reviews

Boarding

8.2

Overall

8.0

Entertainment

7.9

Food

7.3

Crew

8.5

Comfort

7.9

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception
SWISS
7.5
Good
1,582 reviews
Delta
8.0
Very good
7,920 reviews

Boarding

8.2

Overall

8.0

Entertainment

7.9

Food

7.3

Crew

8.5

Comfort

7.9

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

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.

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

    Currently priced at $577, Icelandair will fly you from Brussels to Denver and back. In addition to Icelandair, many other airlines offer competitively priced options for your trip. Search Cheapflights for deals from American Airlines and British Airways - these airlines can fly you to your destination from $607 and $611, respectively. Icelandair is currently priced 20% 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 Icelandair ($621), Aer Lingus ($626), and Lufthansa ($698).

  • 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 $197). Flying from Brussels to Denver in March is currently the most expensive (average of $278). 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 Brussels?

Book flights to Brussels if you plan to visit one of these locations
Westminster
Black Hawk
Winter Park
Lakewood
Cripple Creek
Silverthorne
Brighton
Golden
Greeley
Frisco
Grand Lake
Thornton
Central City
Glendale
Copper Mountain
Wheat Ridge
Longmont
Broomfield
Idaho Springs
Limon

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 April 24, 2025.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$540Average$647FlexibilityNo cancel feeOn-time71%
British AirwaysCheapest$550Average$714FlexibilityNo cancel feeOn-time70%
LufthansaCheapest$612Average$837FlexibilityNo cancel feeOn-time76%
Brussels AirlinesCheapest$619Average$760FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$636Average$824FlexibilityNo cancel feeOn-time69%

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