HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Denver

$403+ 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 8/28. Fares are subject to change and may not be available on all flights or dates of travel.
BRU — DEN
Aug 3 — Aug 101
Sun 8/3
Sun 8/10
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Bruxelles-National to Denver with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

Cheapflights Tip: The best prices from Brussels Bruxelles-National to Denver Intl are usually found in September or March, booked 82 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 July 29, 2025.

Round-trip from

$544
(Icelandair)

One-way from

$403
(Kiwi.com)

Popular in

December

Cheapest in

September

Average price

$715
From Brussels Bruxelles-National to Denver Intl
Search Deals
One-way flight from Brussels Bruxelles-National to Denver Intl
Search Deals
Highest demand for flights based on searches. 5% potential increase in price ($36 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 1% potential price decrease ($10 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in July 2025
Search Deals

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 July 29, 2025.

This Icelandair deal was found by Cheapflights users on 7/28. 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 8/271:50 pmBRU - DEN
1 stop13h 05mIcelandair
Sat 9/278:10 pmDEN - BRU
1 stop32h 40mIcelandair
Deal found 7/28$544
This Gotogate deal was found by Cheapflights users on 7/29. 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 8/2710:55 amBRU - DEN
2 stops17h 27mBritish Airways
Wed 10/16:35 pmDEN - BRU
1 stop12h 45mBritish Airways
Deal found 7/29$546
This Finnair deal was found by Cheapflights users on 7/29. 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.
Fri 9/127:05 pmBRU - DEN
2 stops32h 42mFinnair
Fri 9/1912:41 pmDEN - BRU
2 stops21h 39mFinnair
Deal found 7/29$563
This Finnair deal was found by Cheapflights users on 7/29. 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.
Fri 8/2911:40 amBRU - DEN
2 stops18h 05mMultiple Airlines
Wed 10/16:35 pmDEN - BRU
1 stop17h 50mMultiple Airlines
Deal found 7/29$570
This American Airlines deal was found by Cheapflights users on 7/29. 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.
Fri 9/122:55 pmBRU - DEN
1 stop33h 30mAmerican Airlines
Fri 9/195:37 pmDEN - BRU
2 stops17h 33mAmerican Airlines
Deal found 7/29$579
This lol.travel deal was found by Cheapflights users on 7/27. 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 lol.travel is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/128:30 amBRU - DEN
1 stop12h 55mUnited Airlines
Thu 8/2110:12 amDEN - BRU
1 stop13h 03mUnited Airlines
Deal found 7/27$588
This Flighttix deal was found by Cheapflights users on 7/27. 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 8/1510:00 amBRU - DEN
1 stop16h 20mAir Canada
Fri 8/299:40 amDEN - BRU
1 stop14h 20mAir Canada
Deal found 7/27$591
This Iberia deal was found by Cheapflights users on 7/28. 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 Iberia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/212:10 pmBRU - DEN
2 stops31h 30mIberia
Tue 9/302:17 pmDEN - BRU
2 stops24h 13mIberia
Deal found 7/28$619
This Lufthansa deal was found by Cheapflights users on 7/28. 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.
Sun 9/77:00 amBRU - DEN
1 stop14h 35mLufthansa
Mon 9/2911:15 amDEN - BRU
1 stop12h 00mLufthansa
Deal found 7/28$649

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 July 29, 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

Wed 8/27

1:50 pm-6:55 pm

1 stop13h 05m

Denver Intl

Sat 9/27

8:10 pm-12:50 pm

1 stop32h 40m

$544

BrusselsDenver

BRU - DEN

BRUDEN

Brussels Bruxelles-National

Wed 8/27

10:55 am-8:22 pm

2 stops17h 27m

Denver Intl

Wed 10/1

6:35 pm-3:20 pm

1 stop12h 45m

$546

BrusselsDenver

BRU - DEN

BRUDEN

Brussels Bruxelles-National

Fri 9/12

7:05 pm-7:47 pm

2 stops32h 42m

Denver Intl

Fri 9/19

12:41 pm-6:20 pm

2 stops21h 39m

$563

BrusselsDenver

BRU - DEN

BRUDEN

Brussels Bruxelles-National

Fri 8/29

11:40 am-9:45 pm

2 stops18h 05m

Denver Intl

Wed 10/1

6:35 pm-8:25 pm

1 stop17h 50m

$570

BrusselsDenver

BRU - DEN

BRUDEN

Brussels Bruxelles-National

Fri 9/12

2:55 pm-4:25 pm

1 stop33h 30m

Denver Intl

Fri 9/19

5:37 pm-7:10 pm

2 stops17h 33m

$579

BrusselsDenver

BRU - DEN

BRUDEN

Brussels Bruxelles-National

Tue 8/12

8:30 am-1:25 pm

1 stop12h 55m

Denver Intl

Thu 8/21

10:12 am-7:15 am

1 stop13h 03m

$588

BrusselsDenver

BRU - DEN

BRUDEN

Brussels Bruxelles-National

Fri 8/15

10:00 am-6:20 pm

1 stop16h 20m

Denver Intl

Fri 8/29

9:40 am-8:00 am

1 stop14h 20m

$591

BrusselsDenver

BRU - DEN

BRUDEN

Brussels Bruxelles-National

Tue 9/2

12:10 pm-11:40 am

2 stops31h 30m

Denver Intl

Tue 9/30

2:17 pm-10:30 pm

2 stops24h 13m

$619

BrusselsDenver

BRU - DEN

BRUDEN

Brussels Bruxelles-National

Sun 9/7

7:00 am-1:35 pm

1 stop14h 35m

Denver Intl

Mon 9/29

11:15 am-7:15 am

1 stop12h 00m

$649

BrusselsDenver

BRU - DEN

BRUDEN

Brussels Bruxelles-National

Mon 8/25

10:00 am-8:00 pm

2 stops42h 00m

Denver Intl

Tue 9/30

7:45 am-8:05 am

2 stops40h 20m

$670

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/26

Showing 1-10 of 18 results
1
2

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 July 25, 2025.

The best time to book flights from Brussels Bruxelles-National Airport to Denver is 82 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 July 29, 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 July 29, 2025.
Peruse reviews from past customers who have flown with Austrian Airlines, Finnair, and United 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.
Austrian Airlines
7.6
Good
821 reviews

Food

6.8

Crew

8.1

Boarding

7.6

Overall

7.6

Entertainment

6.8

Comfort

7.3

Reviews

1 / 20
10.0
Excellent

Dominik,Jun 2025

VIE - VNO

Good service and update all information. I feel like i wanna use it again next time
Austrian Airlines
7.6
Good
821 reviews
Austrian Airlines
7.6
Good
821 reviews

Food

6.8

Crew

8.1

Boarding

7.6

Overall

7.6

Entertainment

6.8

Comfort

7.3

Reviews

1 / 20
10.0
Excellent

Dominik,Jun 2025

VIE - VNO

Good service and update all information. I feel like i wanna use it again next time
Finnair
7.6
Good
1,316 reviews
Austrian Airlines
7.6
Good
821 reviews

Food

6.8

Crew

8.1

Boarding

7.6

Overall

7.6

Entertainment

6.8

Comfort

7.3

Reviews

1 / 20
10.0
Excellent

Dominik,Jun 2025

VIE - VNO

Good service and update all information. I feel like i wanna use it again next time
United Airlines
7.4
Good
8,899 reviews
Austrian Airlines
7.6
Good
821 reviews

Food

6.8

Crew

8.1

Boarding

7.6

Overall

7.6

Entertainment

6.8

Comfort

7.3

Reviews

1 / 20
10.0
Excellent

Dominik,Jun 2025

VIE - VNO

Good service and update all information. I feel like i wanna use it again next time
American Airlines
7.2
Good
10,000 reviews
Austrian Airlines
7.6
Good
821 reviews

Food

6.8

Crew

8.1

Boarding

7.6

Overall

7.6

Entertainment

6.8

Comfort

7.3

Reviews

1 / 20
10.0
Excellent

Dominik,Jun 2025

VIE - VNO

Good service and update all information. I feel like i wanna use it again next time
Ethiopian Air
7.2
Good
803 reviews
Austrian Airlines
7.6
Good
821 reviews

Food

6.8

Crew

8.1

Boarding

7.6

Overall

7.6

Entertainment

6.8

Comfort

7.3

Reviews

1 / 20
10.0
Excellent

Dominik,Jun 2025

VIE - VNO

Good service and update all information. I feel like i wanna use it again next time

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.

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

    Flying on Icelandair is currently your cheapest option to Denver, with prices starting at $544. Additional round-trip tickets that might be worth considering are offered by British Airways and Finnair, with the lowest prices starting at $546 and $563, respectively. Icelandair is 21% cheaper than the average price of flights available within the next 90 days to this destination.

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

    To fly one-way, consider booking your trip with Icelandair, which is currently one of the cheapest options available, starting at $581. Aer Lingus flights start at $587 while deals on British Airways start at $613 one-way.

  • 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
Winter Park
Lakewood
Greeley
Cripple Creek
Brighton
Silverthorne
Golden
Thornton
Frisco
Grand Lake
Manitou Springs
Central City
Fort Morgan
Glendale
Copper Mountain
Wheat Ridge
Longmont
Broomfield

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

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 July 29, 2025.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$540Average$647FlexibilityNo cancel feeOn-time71%
British AirwaysCheapest$547Average$700FlexibilityNo cancel feeOn-time70%
LufthansaCheapest$621Average$790FlexibilityNo cancel feeOn-time76%
Brussels AirlinesCheapest$636Average$672FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$636Average$763FlexibilityNo cancel feeOn-time69%

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.