HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Brussels

$251+ 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 7/22. Fares are subject to change and may not be available on all flights or dates of travel.
DEN — BRU
Jun 17 — Jun 241
Tue 6/17
Tue 6/24
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Denver to Brussels 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 Denver Intl to Brussels are usually found in January or November, booked 76 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 June 12, 2025.

Round-trip from

$504
(Gotogate)

One-way from

$251
(FlightHub)

Popular in

December

Cheapest in

January

Average price

$1,123
From Denver Intl to Brussels
Search Deals
One-way flight from Denver Intl to Brussels
Search Deals
High demand for flights, 3% potential price rise
Search Deals
Cheapest flight prices on average. 3% potential price decrease ($29 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in June 2025
Search Deals

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 June 12, 2025.

This Gotogate deal was found by Cheapflights users on 6/10. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/44:40 pmDEN - BRU
1 stop12h 10mIcelandair
Tue 8/191:50 pmBRU - DEN
1 stop13h 05mIcelandair
Deal found 6/10$504
This Gotogate deal was found by Cheapflights users on 6/10. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/47:45 amDEN - BRU
2 stops16h 15mAir Canada
Tue 8/1910:00 amBRU - DEN
1 stop16h 20mAir Canada
Deal found 6/10$562
This Delta deal was found by Cheapflights users on 6/10. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/312:55 amDEN - BRU
2 stops23h 45mDelta
Tue 8/1910:45 amBRU - DEN
2 stops20h 10mDelta
Deal found 6/10$608
This Mytrip deal was found by Cheapflights users on 6/12. 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 8/49:40 amDEN - CRL
2 stops26h 25mMultiple Airlines
Tue 8/198:30 pmCRL - DEN
2 stops27h 05mMultiple Airlines
Deal found 6/12$659
This United Airlines deal was found by Cheapflights users on 6/10. 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 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 12/3010:00 amBRU - DEN
1 stop18h 05mUnited Airlines
Deal found 6/10$685
This Mytrip deal was found by Cheapflights users on 6/12. 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 8/49:40 amDEN - BRU
3 stops26h 00mMultiple Airlines
Tue 8/192:30 pmBRU - DEN
2 stops33h 50mMultiple Airlines
Deal found 6/12$706
This FlightHub deal was found by Cheapflights users on 6/9. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/126:15 amDEN - BRU
2 stops28h 20mScandinavian Airlines
Sun 10/128:30 pmBRU - DEN
2 stops34h 28mScandinavian Airlines
Deal found 6/9$747
This Cheapflightsfares deal was found by Cheapflights users on 6/9. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/911:25 amDEN - BRU
2 stops18h 40mAustrian Airlines
Mon 10/137:55 pmBRU - DEN
2 stops31h 59mAustrian Airlines
Deal found 6/9$761
This Kiwi.com deal was found by Cheapflights users on 6/12. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/2111:15 amDEN - BRU
1 stop12h 40mBrussels Airlines
Sun 11/3010:00 amBRU - DEN
1 stop18h 05mBrussels Airlines
Deal found 6/12$841
This Cheapflightsfares deal was found by Cheapflights users on 6/12. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/299:41 amDEN - BRU
2 stops15h 59mAer Lingus
Mon 9/1510:20 amBRU - DEN
1 stop15h 39mAer Lingus
Deal found 6/12$845
This Cheapflightsfares deal was found by Cheapflights users on 6/10. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/145:59 pmDEN - BRU
2 stops17h 51mLufthansa
Sat 9/205:30 pmBRU - DEN
2 stops28h 15mLufthansa
Deal found 6/10$854
This Cheapflightsfares deal was found by Cheapflights users on 6/12. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/245:30 pmDEN - BRU
1 stop12h 20mBritish Airways
Fri 1/29:45 amBRU - DEN
1 stop13h 40mBritish Airways
Deal found 6/12$859

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 June 12, 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

Mon 8/4

4:40 pm-12:50 pm

1 stop12h 10m

Brussels Bruxelles-National

Tue 8/19

1:50 pm-6:55 pm

1 stop13h 05m

$504

DenverBrussels

DEN - BRU

DENBRU

Denver Intl

Mon 8/4

7:45 am-8:00 am

2 stops16h 15m

Brussels Bruxelles-National

Tue 8/19

10:00 am-6:20 pm

1 stop16h 20m

$562

DenverBrussels

DEN - BRU

DENBRU

Denver Intl

Sun 8/3

12:55 am-8:40 am

2 stops23h 45m

Brussels Bruxelles-National

Tue 8/19

10:45 am-10:49 pm

1 stop20h 04m

$608

DenverBrussels

DEN - CRL

DENCRL

Denver Intl

Mon 8/4

9:40 am-8:05 pm

2 stops26h 25m

Charleroi Brussels

Tue 8/19

8:30 pm-3:35 pm

2 stops27h 05m

$659

DenverBrussels

DEN - BRU

DENBRU

Denver Intl

Mon 8/4

9:40 am-7:40 pm

3 stops26h 00m

Brussels Bruxelles-National

Tue 8/19

2:30 pm-4:20 pm

2 stops33h 50m

$706

DenverBrussels

DEN - BRU

DENBRU

Denver Intl

Fri 9/12

6:15 am-6:35 pm

2 stops28h 20m

Brussels Bruxelles-National

Sun 10/12

8:30 pm-10:58 pm

2 stops34h 28m

$747

DenverBrussels

DEN - BRU

DENBRU

Denver Intl

Mon 9/22

8:28 pm-9:00 am

1 stop28h 32m

Brussels Bruxelles-National

Tue 9/30

9:40 am-3:00 pm

3 stops37h 20m

$750

DenverBrussels

DEN - BRU

DENBRU

Denver Intl

Thu 10/9

11:25 am-2:05 pm

2 stops18h 40m

Brussels Bruxelles-National

Mon 10/13

7:55 pm-7:54 pm

2 stops31h 59m

$761

DenverBrussels

DEN - BRU

DENBRU

Denver Intl

Fri 11/21

11:15 am-7:55 am

1 stop12h 40m

Brussels Bruxelles-National

Sun 11/30

10:00 am-8:05 pm

1 stop18h 05m

$841

DenverBrussels

DEN - BRU

DENBRU

Denver Intl

Fri 8/29

9:41 am-9:40 am

2 stops15h 59m

Brussels Bruxelles-National

Mon 9/15

10:20 am-5:59 pm

1 stop15h 39m

$845

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/11

Showing 1-10 of 25 results
1
2
3

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 June 9, 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 $1,096). 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 June 12, 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.

Rainfall in Brussels by month

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

In terms of precipitation, rainfall in Brussels ranges from 1.6 - 3.1 inches per month. January is typically the wettest month, when rainfall can reach 3.1 in. August is typically the driest time to visit Brussels when rainfall is around 1.6 in.

Temperature in Brussels by month

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

If weather is an important factor for your trip to Brussels, 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 62.6 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 37.4 F).

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 June 12, 2025.
Delta
8.0
Very good
7,946 reviews

Crew

8.5

Overall

8.0

Food

7.3

Comfort

7.9

Entertainment

7.9

Boarding

8.2

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
7,946 reviews
Delta
8.0
Very good
7,946 reviews

Crew

8.5

Overall

8.0

Food

7.3

Comfort

7.9

Entertainment

7.9

Boarding

8.2

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!
Austrian Airlines
7.6
Good
802 reviews
Delta
8.0
Very good
7,946 reviews

Crew

8.5

Overall

8.0

Food

7.3

Comfort

7.9

Entertainment

7.9

Boarding

8.2

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!
SWISS
7.5
Good
1,623 reviews
Delta
8.0
Very good
7,946 reviews

Crew

8.5

Overall

8.0

Food

7.3

Comfort

7.9

Entertainment

7.9

Boarding

8.2

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
8,790 reviews
Delta
8.0
Very good
7,946 reviews

Crew

8.5

Overall

8.0

Food

7.3

Comfort

7.9

Entertainment

7.9

Boarding

8.2

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
7.4
Good
355 reviews
Delta
8.0
Very good
7,946 reviews

Crew

8.5

Overall

8.0

Food

7.3

Comfort

7.9

Entertainment

7.9

Boarding

8.2

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 $504 on this airline. Additional options worth looking into are Air Canada and Delta, starting at $562 and $608 round-trip. Icelandair is 41% 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 ($251), British Airways ($463), and Air Canada ($464).

  • 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 $1,096). 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 June 12, 2025.
AirlineCheapestAverageFlexibilityOn-time
IcelandairCheapest$496Average$820FlexibilityNo cancel feeOn-time76%
Turkish AirlinesCheapest$526Average$626FlexibilityNo cancel feeOn-time77%
Aer LingusCheapest$614Average$879FlexibilityNo cancel feeOn-timeN/A
British AirwaysCheapest$657Average$1,137FlexibilityNo cancel feeOn-time70%
United AirlinesCheapest$668Average$882FlexibilityNo cancel feeOn-time69%
Brussels AirlinesCheapest$759Average$1,091FlexibilityNo cancel feeOn-timeN/A
LufthansaCheapest$820Average$1,135FlexibilityNo cancel feeOn-time76%

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.