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$369+ Cheap flights from Bruxelles-National (BRU) 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 10/4. Fares are subject to change and may not be available on all flights or dates of travel.
BRU — DEN
Oct 11 — Oct 181
Sat 10/11
Sat 10/18
1 adult, Economy
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Cheapflights Tip: The best prices from Brussels Bruxelles-National to Denver Intl are usually found in September or November, booked 46 days in advance, depart on a Thursday or Wednesday and return on a Wednesday

Cheap flight deals from Bruxelles-National to Denver

Discover tips and strategies to find the most affordable flight options for your journey from Bruxelles-National (BRU) 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 September 11, 2025.

Round-trip from

$584
(AirNGo)

One-way from

$429
(Kiwi.com)

Popular in

January

Cheapest in

September

Average price

$614
From Brussels Bruxelles-National to Denver Intl
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One-way flight from Brussels Bruxelles-National to Denver Intl
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Highest demand for flights based on searches. 3% potential increase in price ($23 potential increase over avg. RT price).
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Cheapest flight prices on average. 0% potential price decrease ($7 potential savings vs. average RT price).
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Average for round-trip flights in September 2025
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Find flight deals from Bruxelles-National to Denver

Cheapest flights from Bruxelles-National to Denver
Explore the most affordable flight options available from Bruxelles-National to Denver. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 11, 2025.

This FlightHub deal was found by Cheapflights users on 9/10. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/1110:20 amBRU - DEN
1 stop15h 39mAer Lingus
Thu 9/187:55 pmDEN - BRU
1 stop16h 45mAer Lingus
Deal found 9/10$538
This flugladen.de deal was found by Cheapflights users on 9/9. 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 flugladen.de is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/161:50 pmBRU - DEN
1 stop13h 05mIcelandair
Sun 10/194:40 pmDEN - BRU
1 stop12h 10mIcelandair
Deal found 9/9$557
This AirNGo deal was found by Cheapflights users on 9/9. 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.
Thu 9/258:30 amBRU - DEN
1 stop13h 05mUnited Airlines
Mon 9/298:20 pmDEN - BRU
1 stop15h 40mUnited Airlines
Deal found 9/9$588
This Flighttix deal was found by Cheapflights users on 9/9. 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 9/258:30 amBRU - DEN
1 stop13h 05mLufthansa
Mon 9/2911:15 amDEN - BRU
1 stop13h 45mLufthansa
Deal found 9/9$592
This oojo deal was found by Cheapflights users on 9/9. 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 9/171:50 pmBRU - DEN
1 stop13h 05mIcelandair
Fri 9/264:40 pmDEN - BRU
1 stop12h 10mIcelandair
Deal found 9/9$593
This Flighttix deal was found by Cheapflights users on 9/9. 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 9/258:30 amBRU - DEN
1 stop13h 05mMultiple Airlines
Mon 9/297:45 amDEN - BRU
2 stops16h 20mMultiple Airlines
Deal found 9/9$594
This AirNGo deal was found by Cheapflights users on 9/9. 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 12/1210:00 amBRU - DEN
1 stop17h 55mAir Canada
Mon 1/55:30 pmDEN - BRU
2 stops30h 20mAir Canada
Deal found 9/9$599
This AirNGo deal was found by Cheapflights users on 9/9. 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 12/1210:00 amBRU - DEN
1 stop17h 55mUnited Airlines
Mon 1/55:35 pmDEN - BRU
1 stop11h 40mUnited Airlines
Deal found 9/9$600
This Flighttix deal was found by Cheapflights users on 9/11. 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 10/98:30 amBRU - DEN
1 stop13h 05mLufthansa
Mon 10/2011:15 amDEN - BRU
1 stop12h 00mLufthansa
Deal found 9/11$601
This AirNGo deal was found by Cheapflights users on 9/9. 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.
Thu 9/2510:00 amBRU - DEN
2 stops21h 30mAir Canada
Mon 9/299:40 amDEN - BRU
1 stop14h 25mAir Canada
Deal found 9/9$602
This Flighttix deal was found by Cheapflights users on 9/9. 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 10/1610:50 amBRU - DEN
2 stops19h 05mBritish Airways
Sun 10/1912:40 pmDEN - BRU
2 stops17h 35mBritish Airways
Deal found 9/9$604
This Trip.com deal was found by Cheapflights users on 9/9. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/161:50 pmBRU - DEN
1 stop13h 05mIcelandair
Thu 10/234:40 pmDEN - BRU
1 stop12h 10mIcelandair
Deal found 9/9$605

Cheapflights Fare Finder

 
Customize your flight search to find flights from Bruxelles-National 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 September 11, 2025.
Use the filters below to find and compare flights from Brussels Bruxelles-National Airport to Denver that are best for you.

Fly from

Bruxelles-National

Fly to

Denver

Route

Depart

Return

Price

BrusselsDenver

BRU - DEN

BRUDEN

Brussels Bruxelles-National

Thu 2/12

10:15 am-3:30 pm

1 stop13h 15m

Denver Intl

Sun 2/22

5:25 pm-11:10 am

1 stop33h 45m

$605

BrusselsDenver

BRU - DEN

BRUDEN

Brussels Bruxelles-National

Thu 2/12

10:15 am-3:30 pm

1 stop13h 15m

Denver Intl

Sun 2/22

5:25 pm-4:40 pm

1 stop15h 15m

$607

BrusselsDenver

BRU - DEN

BRUDEN

Brussels Bruxelles-National

Wed 2/11

8:30 pm-3:30 pm

1 stop27h 00m

Denver Intl

Sun 2/22

12:34 pm-1:50 pm

2 stops17h 16m

$607

BrusselsDenver

BRU - DEN

BRUDEN

Brussels Bruxelles-National

Thu 10/23

10:50 am-11:09 pm

2 stops20h 19m

Denver Intl

Thu 10/30

12:40 pm-10:50 am

2 stops15h 10m

$609

BrusselsDenver

BRU - DEN

BRUDEN

Brussels Bruxelles-National

Thu 2/12

10:15 am-11:38 pm

2 stops21h 23m

Denver Intl

Sun 2/22

2:49 pm-1:50 pm

2 stops15h 01m

$609

BrusselsDenver

BRU - DEN

BRUDEN

Brussels Bruxelles-National

Thu 10/23

10:50 am-9:55 pm

2 stops19h 05m

Denver Intl

Fri 10/31

10:40 am-10:50 am

2 stops17h 10m

$609

BrusselsDenver

BRU - DEN

BRUDEN

Brussels Bruxelles-National

Sat 11/22

7:05 am-5:52 pm

2 stops18h 47m

Denver Intl

Sat 12/6

5:25 pm-4:35 pm

1 stop15h 10m

$610

BrusselsDenver

BRU - DEN

BRUDEN

Brussels Bruxelles-National

Thu 10/23

10:00 am-7:38 pm

1 stop17h 38m

Denver Intl

Wed 11/5

11:15 am-7:50 am

1 stop12h 35m

$612

BrusselsDenver

BRU - DEN

BRUDEN

Brussels Bruxelles-National

Sat 10/4

10:05 pm-11:24 am

2 stops45h 19m

$369

BrusselsDenver

BRU - DEN

BRUDEN

Brussels Bruxelles-National

Wed 11/12

8:30 pm-5:52 pm

2 stops29h 22m

$424

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/11

Showing 1-10 of 16 results
1
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Best time to book a flight from Bruxelles-National to Denver

Have a flexible travel schedule? Discover the best time to fly to Denver from Bruxelles-National 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 Bruxelles-National Airport to Denver

How far ahead should I book a flight from Brussels Bruxelles-National Airport to Denver?

Use this chart to determine the optimal time to book a round-trip flight from Bruxelles-National to Denver. Price data was last updated on August 29, 2025.

The best time to book flights from Brussels Bruxelles-National Airport 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 Bruxelles-National Airport to Denver?

Currently, October is the cheapest month in which you can book a flight from Brussels Bruxelles-National Airport to Denver (average of $197). Flying from Brussels Bruxelles-National Airport 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 Bruxelles-National 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 September 11, 2025.

One of the essential ways to save on airfare from Brussels Bruxelles-National Airport 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 Bruxelles-National Airport 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 September 11, 2025.
Peruse reviews from past customers who have flown with United Airlines, Brussels Airlines, and American Airlines from Brussels Bruxelles-National Airport to Denver to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
United Airlines
7.4
Good
8,937 reviews

Crew

8.1

Boarding

7.7

Entertainment

7.1

Overall

7.4

Food

6.6

Comfort

7.3

Reviews

1 / 20
10.0
Excellent

Anonymous,Sep 2025

FRA - SFO

Lufthansa was amazing, I wish United States based airlines operated like them.
United Airlines
7.4
Good
8,937 reviews
United Airlines
7.4
Good
8,937 reviews

Crew

8.1

Boarding

7.7

Entertainment

7.1

Overall

7.4

Food

6.6

Comfort

7.3

Reviews

1 / 20
10.0
Excellent

Anonymous,Sep 2025

FRA - SFO

Lufthansa was amazing, I wish United States based airlines operated like them.
Brussels Airlines
7.3
Good
359 reviews
United Airlines
7.4
Good
8,937 reviews

Crew

8.1

Boarding

7.7

Entertainment

7.1

Overall

7.4

Food

6.6

Comfort

7.3

Reviews

1 / 20
10.0
Excellent

Anonymous,Sep 2025

FRA - SFO

Lufthansa was amazing, I wish United States based airlines operated like them.
American Airlines
7.2
Good
10,000 reviews
United Airlines
7.4
Good
8,937 reviews

Crew

8.1

Boarding

7.7

Entertainment

7.1

Overall

7.4

Food

6.6

Comfort

7.3

Reviews

1 / 20
10.0
Excellent

Anonymous,Sep 2025

FRA - SFO

Lufthansa was amazing, I wish United States based airlines operated like them.
Lufthansa
6.8
Okay
7,409 reviews
United Airlines
7.4
Good
8,937 reviews

Crew

8.1

Boarding

7.7

Entertainment

7.1

Overall

7.4

Food

6.6

Comfort

7.3

Reviews

1 / 20
10.0
Excellent

Anonymous,Sep 2025

FRA - SFO

Lufthansa was amazing, I wish United States based airlines operated like them.
British Airways
6.7
Okay
7,361 reviews
United Airlines
7.4
Good
8,937 reviews

Crew

8.1

Boarding

7.7

Entertainment

7.1

Overall

7.4

Food

6.6

Comfort

7.3

Reviews

1 / 20
10.0
Excellent

Anonymous,Sep 2025

FRA - SFO

Lufthansa was amazing, I wish United States based airlines operated like them.

Related info for your journey

Find useful and relevant information for your journey from Bruxelles-National 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 Bruxelles-National?

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

  • How long is the flight from Brussels Bruxelles-National Airport to Denver?

    Departing from Brussels Bruxelles-National Airport to Denver will take you 13h 15m. The distance from Brussels Bruxelles-National Airport to Denver is about 4848 mi.

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

    Flying on American Airlines is currently your cheapest option to Denver, with prices starting at $540. Additional round-trip tickets that might be worth considering are offered by British Airways and United Airlines, with the lowest prices starting at $544 and $615, respectively. American Airlines is 20% cheaper than the average price of flights available within the next 90 days to this destination.

  • Can I find deals for flights from Bruxelles-National to Denver that include hotel bookings?

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

  • How can I find direct flights from Bruxelles-National to Denver?

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

  • Can I find deals for business class flights from Bruxelles-National to Denver?

    Yes. Cheapflights offers flight deals from Bruxelles-National 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 Bruxelles-National Airport to Denver?

    Currently, October is the cheapest month in which you can book a flight from Brussels Bruxelles-National Airport to Denver (average of $197). Flying from Brussels Bruxelles-National Airport 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 Denver?

Book flights to Denver if you plan to visit one of these locations
Westminster
Black Hawk
Golden
Winter Park
Broomfield
Greeley
Lone Tree
Lakewood
Cripple Creek
Thornton
Silverthorne
Frisco
Manitou Springs
Fort Morgan
Glendale
Wheat Ridge
Brighton
Longmont
Idaho Springs
Parker

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Alternative routes for Bruxelles-National to Denver

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

Top 5 airlines flying from Bruxelles-National to Denver

Discover the top 5 airlines that operate flights from Bruxelles-National 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 September 11, 2025.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$540Average$647FlexibilityNo cancel feeOn-time71%
British AirwaysCheapest$544Average$689FlexibilityNo cancel feeOn-time70%
United AirlinesCheapest$615Average$688FlexibilityNo cancel feeOn-time69%
Brussels AirlinesCheapest$636Average$671FlexibilityNo cancel feeOn-timeN/A
LufthansaCheapest$636Average$800FlexibilityNo cancel feeOn-time76%

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