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$366+ Cheap flights from Denver (DEN) to Brussels

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 1/23. Fares are subject to change and may not be available on all flights or dates of travel.
DEN — BRU
Aug 5 — Aug 121
Tue 8/5
Tue 8/12
1 adult, Economy
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Cheapflights Tip: The best prices from Denver Intl to Brussels are usually found in January or November, booked 75 days in advance, depart on a Wednesday or Tuesday and return on a Thursday

Cheap flight deals from Denver to Brussels

Discover tips and strategies to find the most affordable flight options for your journey from Denver (DEN) to Brussels (BR1). 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 31, 2025.

Round-trip from

$520
(Mytrip)

One-way from

$366
(Kiwi.com)

Popular in

December

Cheapest in

January

Average price

$995
From Denver Intl to Brussels
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One-way flight from Denver Intl to Brussels
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High demand for flights, 1% potential price rise
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Cheapest flight prices on average. 3% potential price decrease ($31 potential savings vs. average RT price).
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Average for round-trip flights in July 2025
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Find flight deals from Denver to Brussels

Cheapest flights from Denver to Brussels
Explore the most affordable flight options available from Denver to Brussels. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 31, 2025.

This Mytrip deal was found by Cheapflights users on 7/31. 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.
Wed 8/139:40 amDEN - BRU
2 stops27h 25mMultiple Airlines
Wed 8/209:30 pmBRU - DEN
2 stops28h 50mMultiple Airlines
Deal found 7/31$520
This lastminute.com deal was found by Cheapflights users on 7/31. 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 lastminute.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/98:10 pmDEN - BRU
1 stop32h 40mIcelandair
Fri 8/221:50 pmBRU - DEN
1 stop13h 05mIcelandair
Deal found 7/31$540
This Priceline deal was found by Cheapflights users on 7/30. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/139:40 amDEN - BRU
1 stop14h 20mAir Canada
Wed 8/2010:00 amBRU - DEN
2 stops38h 40mAir Canada
Deal found 7/30$642
This FlightHub deal was found by Cheapflights users on 7/31. 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.
Wed 10/17:05 amDEN - BRU
2 stops42h 35mScandinavian Airlines
Sat 10/117:10 pmBRU - DEN
2 stops36h 04mScandinavian Airlines
Deal found 7/31$659
This American Airlines deal was found by Cheapflights users on 7/30. 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 8/1312:04 pmDEN - BRU
2 stops15h 21mAmerican Airlines
Wed 8/2010:55 amBRU - DEN
2 stops19h 20mAmerican Airlines
Deal found 7/30$696
This United Airlines deal was found by Cheapflights users on 7/30. 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.
Tue 12/238:34 pmDEN - BRU
1 stop28h 21mUnited Airlines
Tue 12/3010:30 amBRU - DEN
2 stops16h 58mUnited Airlines
Deal found 7/30$705
This oojo deal was found by Cheapflights users on 7/30. 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 9/177:55 pmDEN - BRU
1 stop16h 45mAer Lingus
Tue 10/149:20 pmBRU - DEN
1 stop28h 39mAer Lingus
Deal found 7/30$730
This Cheapflightsfares deal was found by Cheapflights users on 7/30. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/299:40 amDEN - BRU
1 stop14h 20mBrussels Airlines
Mon 9/1510:00 amBRU - DEN
1 stop16h 18mBrussels Airlines
Deal found 7/30$858
This Mytrip deal was found by Cheapflights users on 7/31. 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.
Wed 8/1311:25 amDEN - CRL
2 stops23h 35mMultiple Airlines
Wed 8/204:10 pmCRL - DEN
2 stops29h 35mMultiple Airlines
Deal found 7/31$921

Cheapflights Fare Finder

 
Customize your flight search to find flights from Denver to Brussels 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 31, 2025.
Use the filters below to find and compare flights from Denver to Brussels that are best for you.

Fly from

Denver

Fly to

Brussels

Route

Depart

Return

Price

DenverBrussels

DEN - BRU

DENBRU

Denver Intl

Wed 8/13

9:40 am-9:05 pm

2 stops27h 25m

Brussels Bruxelles-National

Wed 8/20

9:30 pm-6:20 pm

2 stops28h 50m

$520

DenverBrussels

DEN - BRU

DENBRU

Denver Intl

Wed 8/13

4:40 pm-12:50 pm

1 stop12h 10m

Brussels Bruxelles-National

Wed 8/20

1:50 pm-6:55 pm

1 stop13h 05m

$544

DenverBrussels

DEN - BRU

DENBRU

Denver Intl

Tue 1/27

11:15 am-7:50 am

1 stop12h 35m

Brussels Bruxelles-National

Thu 2/12

10:00 am-7:55 pm

1 stop17h 55m

$592

DenverBrussels

DEN - BRU

DENBRU

Denver Intl

Sun 1/25

11:15 am-1:15 pm

2 stops18h 00m

Brussels Bruxelles-National

Wed 2/11

10:00 am-7:55 pm

1 stop17h 55m

$595

DenverBrussels

DEN - BRU

DENBRU

Denver Intl

Sat 1/24

8:34 pm-8:55 am

1 stop28h 21m

Brussels Bruxelles-National

Wed 2/11

10:00 am-7:55 pm

1 stop17h 55m

$607

DenverBrussels

DEN - BRU

DENBRU

Denver Intl

Mon 1/26

4:21 pm-4:40 pm

2 stops16h 19m

Brussels Bruxelles-National

Fri 2/13

9:50 am-3:30 pm

1 stop13h 40m

$622

DenverBrussels

DEN - BRU

DENBRU

Denver Intl

Mon 1/26

5:25 pm-11:30 am

2 stops34h 05m

Brussels Bruxelles-National

Tue 2/10

7:10 pm-8:01 pm

2 stops32h 51m

$629

DenverBrussels

DEN - BRU

DENBRU

Denver Intl

Wed 10/1

7:05 am-9:40 am

2 stops42h 35m

Brussels Bruxelles-National

Sat 10/11

7:10 pm-11:14 pm

2 stops36h 04m

$659

DenverBrussels

DEN - BRU

DENBRU

Denver Intl

Tue 1/27

7:20 pm-2:15 pm

1 stop34h 55m

Brussels Bruxelles-National

Wed 2/11

11:35 am-5:35 pm

1 stop38h 00m

$683

DenverBrussels

DEN - CRL

DENCRL

Denver Intl

Wed 8/13

11:25 am-7:00 pm

2 stops23h 35m

Charleroi Brussels

Wed 8/20

4:10 pm-1:45 pm

2 stops29h 35m

$921

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/31

Showing 1-10 of 17 results
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Best time to book a flight from Denver to Brussels

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

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

Use this chart to determine the optimal time to book a round-trip flight from Denver to Brussels. Price data was last updated on July 25, 2025.

Booking 75 days in advance of your planned departure date is, on average, the best time to get cheap flights from Denver to Brussels. The general trend is that the closer you book to the departure date, the more expensive your flight will be.

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

Currently, November is the cheapest month in which you can book a flight from Denver to Brussels (average of $614). Flying from Denver to Brussels in June is currently the most expensive (average of $1,081). 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 DEN to BRU?

Find hourly flight availability from Denver to Brussels. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated July 31, 2025.

It’s optimal to fly from Denver to Brussels in the evening. By choosing this option you can save up to 43% on the cost of your flight, compared to a flight in the afternoon.

What is the cheapest day to fly from Denver to Brussels?

Use this chart to determine the cheapest time to fly round-trip from Denver to Brussels. Price data was last updated on December 16, 2024.

Travelers seeking maximum savings on their Denver to Brussels flight should consider departing on Tuesday evenings when fares are most often at their lowest. Saturday mornings flights should be avoided if possible as fares are typically the most expensive at this time.

Reviews of airlines servicing Brussels

Get insights into the airlines that provide service to Brussels. 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 Brussels. Reviews last updated July 31, 2025.
See what other customers who have flown with Delta, United Airlines, and Scandinavian Airlines from Denver to Brussels have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very good
7,981 reviews

Food

7.3

Entertainment

7.9

Boarding

8.2

Overall

8.0

Crew

8.5

Comfort

7.9

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
Delta
8.0
Very good
7,981 reviews
Delta
8.0
Very good
7,981 reviews

Food

7.3

Entertainment

7.9

Boarding

8.2

Overall

8.0

Crew

8.5

Comfort

7.9

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
United Airlines
7.4
Good
8,900 reviews
Delta
8.0
Very good
7,981 reviews

Food

7.3

Entertainment

7.9

Boarding

8.2

Overall

8.0

Crew

8.5

Comfort

7.9

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
Scandinavian Airlines
7.4
Good
1,457 reviews
Delta
8.0
Very good
7,981 reviews

Food

7.3

Entertainment

7.9

Boarding

8.2

Overall

8.0

Crew

8.5

Comfort

7.9

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
Turkish Airlines
7.3
Good
3,933 reviews
Delta
8.0
Very good
7,981 reviews

Food

7.3

Entertainment

7.9

Boarding

8.2

Overall

8.0

Crew

8.5

Comfort

7.9

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
Brussels Airlines
7.3
Good
350 reviews
Delta
8.0
Very good
7,981 reviews

Food

7.3

Entertainment

7.9

Boarding

8.2

Overall

8.0

Crew

8.5

Comfort

7.9

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

Related info for your journey

Find useful and relevant information for your journey from Denver to Brussels. 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 from for flights from Denver to Brussels?

    Denver Intl (DEN) is the airport you will fly out of if you book a flight from Denver to Brussels. You should not have trouble finding flights to Brussels from Denver Intl; the airport handles an average of 0 outbound flights to Brussels per day. You should also have plenty of airline options to choose from since 7 airlines have flights from the Denver airport to Brussels. It is only a 18.5 mi journey to Denver Intl (DEN) from Denver’s city center.

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

    Our cheapest airline available from Denver to Brussels is Icelandair. Our recent data shows that you can find tickets from as low as $544 on this airline. Additional options worth looking into are United Airlines and Air Canada, starting at $592 and $595 round-trip. Icelandair is 35% cheaper than the average price of flights available within the next 90 days to this destination.

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

    The cheapest airlines for a one-way flight from Denver to Brussels are Icelandair ($454), Air Canada ($489), and Delta ($493).

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

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

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

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

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

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

    Currently, November is the cheapest month in which you can book a flight from Denver to Brussels (average of $614). Flying from Denver to Brussels in June is currently the most expensive (average of $1,081). 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

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 Denver to Brussels

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

Top 7 airlines flying from Denver to Brussels

Discover the top 7 airlines that operate flights from Denver to Brussels. 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 31, 2025.
AirlineCheapestAverageFlexibilityOn-time
IcelandairCheapest$496Average$761FlexibilityNo cancel feeOn-time76%
Turkish AirlinesCheapest$526Average$620FlexibilityNo cancel feeOn-time77%
Aer LingusCheapest$614Average$879FlexibilityNo cancel feeOn-timeN/A
British AirwaysCheapest$657Average$846FlexibilityNo cancel feeOn-time70%
United AirlinesCheapest$668Average$853FlexibilityNo cancel feeOn-time69%
LufthansaCheapest$689Average$952FlexibilityNo cancel feeOn-time76%
Brussels AirlinesCheapest$759Average$1,091FlexibilityNo cancel feeOn-timeN/A

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