$424 Cheap Flights from Denver (DEN) to Brussels (BRU)

View $424 flight on Tue, Dec 9, 2025Opens in a new window

Popular airlines from Denver Intl. Airport (DEN) to Brussels Airport (BRU)

Cheap Flights from Denver to Brussels (DEN-BRU)

Prices were available within the past 7 days and start at $424 for one-way flights and $467 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Icelandair
Thu, Apr 23 - Thu, Apr 30
DEN
Denver
BRU
Brussels
$467 Roundtrip, found 3 hours ago
$467
Roundtrip
found 3 hours ago
Select Icelandair flight, departing Thu, Apr 23 from Denver to Brussels, returning Thu, Apr 30, priced at $467 found 3 hours ago
Icelandair
Fri, Apr 17 - Sat, May 9
DEN
Denver
BRU
Brussels
$474 Roundtrip, found 3 hours ago
$474
Roundtrip
found 3 hours ago
Select Icelandair flight, departing Fri, Apr 17 from Denver to Brussels, returning Sat, May 9, priced at $474 found 3 hours ago
Icelandair
Fri, Apr 17 - Fri, May 1
DEN
Denver
BRU
Brussels
$474 Roundtrip, found 1 day ago
$474
Roundtrip
found 1 day ago
Select Icelandair flight, departing Fri, Apr 17 from Denver to Brussels, returning Fri, May 1, priced at $474 found 1 day ago
Scandinavian Airlines
Fri, Jan 30 - Fri, Feb 6
DEN
Denver
BRU
Brussels
$559 Roundtrip, found 4 days ago
$559
Roundtrip
found 4 days ago
Select Scandinavian Airlines flight, departing Fri, Jan 30 from Denver to Brussels, returning Fri, Feb 6, priced at $559 found 4 days ago
United
Mon, Feb 23 - Thu, Mar 12
DEN
Denver
BRU
Brussels
$588 Roundtrip, found 7 hours ago
$588
Roundtrip
found 7 hours ago
Select United flight, departing Mon, Feb 23 from Denver to Brussels, returning Thu, Mar 12, priced at $588 found 7 hours ago
Air Canada
Tue, Mar 10 - Fri, Mar 20
DEN
Denver
BRU
Brussels
$592 Roundtrip, found 4 hours ago
$592
Roundtrip
found 4 hours ago
Select Air Canada flight, departing Tue, Mar 10 from Denver to Brussels, returning Fri, Mar 20, priced at $592 found 4 hours ago
Lufthansa
Mon, Dec 1 - Tue, Dec 9
DEN
Denver
BRU
Brussels
$604 Roundtrip, found 1 day ago
$604
Roundtrip
found 1 day ago
Select Lufthansa flight, departing Mon, Dec 1 from Denver to Brussels, returning Tue, Dec 9, priced at $604 found 1 day ago
American Airlines
Tue, Aug 11 - Wed, Aug 26
DEN
Denver
BRU
Brussels
$607 Roundtrip, found 3 days ago
$607
Roundtrip
found 3 days ago
Select American Airlines flight, departing Tue, Aug 11 from Denver to Brussels, returning Wed, Aug 26, priced at $607 found 3 days ago
British Airways
Tue, Mar 10 - Fri, Mar 20
DEN
Denver
BRU
Brussels
$608 Roundtrip, found 4 hours ago
$608
Roundtrip
found 4 hours ago
Select British Airways flight, departing Tue, Mar 10 from Denver to Brussels, returning Fri, Mar 20, priced at $608 found 4 hours ago
Brussels Airlines
Tue, Mar 10 - Fri, Mar 20
DEN
Denver
BRU
Brussels
$611 Roundtrip, found 4 hours ago
$611
Roundtrip
found 4 hours ago
Select Brussels Airlines flight, departing Tue, Mar 10 from Denver to Brussels, returning Fri, Mar 20, priced at $611 found 4 hours ago

Find the cheapest month to fly from Denver (DEN) to Brussels (BRU)

August is typically the cheapest month to fly

From $441 - $1,351 per traveler.

Alternative airports near Brussels

Prices were available within the past 7 days. Prices and availability are subject to change.

Select flight to Brussels - National BRU. Cheapest and Closest option available. Average driving time to city center is 15 minutes. Flights from $638
BRU
Brussels - National
CheapestClosest
Average driving time to city center15 min
Flights from $638

Frequently asked questions

How much does a flight from Denver Intl. Airport (DEN) to Brussels - National Airport (BRU) cost?
Lock in a cheap one-way flight from $424 or cheap return flight from $467 from Denver Intl. Airport (DEN) to Brussels - National Airport (BRU) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to see our cheapest flight deals on this route.
What is the cheapest month to fly from Denver Intl. Airport (DEN) to Brussels - National Airport (BRU)?
April is the most affordable month to fly from DEN to BRU. Timing your trip outside of the busy season is often the key to finding better fares.
What is the cheapest airline that flies from Denver Intl. Airport (DEN) to Brussels - National Airport (BRU)?
Expedia's filter tool lets you easily compare travel time, airlines and fares all in one place. Customize the search to your preferences, then sort by "Price (lowest to highest)" to see which carrier offers the cheapest DEN to BRU flight.
How many flights per day from Denver Intl. Airport (DEN) to Brussels - National Airport (BRU)?
Direct flights from Denver Intl. Airport (DEN) to Brussels - National Airport (BRU) aren't available daily, so you'll need to take a flight with a layover. Explore your options with Expedia's filter tool. Enter your travel details and click on either "1 Stop" or "2+ Stops."
What day of the week has the most flights from DEN to BRU?
Usually you'll have the most choice when it comes to flights on a Friday. Tuesdays are often the quietest.* But this can vary based on the airline, time of year and other factors.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What is the best time to fly from Denver Intl. Airport (DEN) to Brussels - National Airport (BRU)?
To reach Brussels - National Airport (BRU) on schedule, select a flight that leaves Denver Intl. Airport (DEN) before 3 PM. The likelihood of cancellations is 22% higher, on average, for departures after this time.**Most reliable time of the day and month to travel recommendation is based on January through August 2024 flight status data sourced from OAG's global flight data platform.
Is it cheaper to buy a plane ticket from Denver Intl. Airport (DEN) to Brussels - National Airport (BRU) last-minute?
Waiting until just before your departure to book a ticket from DEN to BRU often results in higher prices. While you might find some last-minute offers, they aren't always guaranteed. Keep your travel schedule open for the best chance of snagging a bargain.
Is it cheaper to book a DEN to BRU flight and hotel package?
Compared with arranging flights and hotels separately, booking a DEN to BRU flight and hotel package with Expedia could lead to significant savings. Better yet, managing everything in one place will take the hassle out of planning your trip. Just pick your flights and select from our wide range of hotels, then tailor your trip with other add-ons like activities, tours and car rentals.
Can I cancel or change the date of my flight from Denver Intl. Airport (DEN) to Brussels - National Airport (BRU)?
If you reserved your DEN to BRU flight within the last 24 hours, you may be able to modify or cancel it without fees. Depending on the airline and the ticket type you purchased, additional charges may apply for changes after that time. Airline policies and contact information can be found in your itinerary or confirmation email. Or, go to our Customer Service portal if you want more information.

Travel information

Origin airport
Denver Intl.
Destination airport
Brussels - National
Airlines serving
Aer Lingus, Air Canada, Air Europa, American Airlines, Austrian Airlines, British Airways, Brussels Airlines, Delta, Finnair, Iberia, Icelandair, JetBlue Airways, KLM, Lufthansa, Scandinavian Airlines, Swiss International Air Lines, TAP Portugal, Turkish Airlines, United
Roundtrip price
$466
Distance
4851 mi

Book with confidence

Denver to Brussels Flights

The cheapest times to fly from Denver to Brussels

On average, Thursday can be the cheapest time to fly, according to data from the Airlines Reporting Corporation (ARC), one of the world's biggest databases for global airline sales. The data reveals that you could save up to 16% by flying on a Thursday—the cheapest day to travel on average—instead of a Sunday—the most expensive. Some of the most affordable flights from Denver to Brussels are during the month of April. You can find some of the cheapest flights from Denver to Brussels with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from Denver to Brussels

Sunday is one of the best days to book for cheap flights from Denver to Brussels: Tickets reserved on a Sunday cost between 6% and 13% less than those reserved on a Friday, according to ARC data. The data also suggests booking early can also lead to cheaper airfares. You could save 24% by buying your tickets for domestic flights at least a month in advance and 10% by booking international flights 2 months in advance.

 

How to find cheap round-trip tickets from Denver to Brussels

Being flexible with your dates and using Expedia's Price Drop Protection and Price Tracking features are some of the best ways of finding a cheap ticket from Denver to Brussels in 2025. You can also book with separate airlines for your outbound and return journeys, from $424 one-way. Expedia also offers Price Drop Protection, so if the cost of your airfare goes down after booking, you'll receive a credit for the difference*. This is available for a small fee, and is free to One Key Gold and Platinum tier members.

 

Expedia's Price Tracking feature means you can stay on top of airfares without manually checking every day. It sends you automated price alerts for cheap Denver to Brussels flights and uses historical data to indicate when the best time to book is. Download Expedia's free app to activate this handy tool in a few easy taps.

 

You could also save big by booking one of Expedia's vacation packages. Bundling together your Denver to Brussels airfare with your accommodations and car rental is often cheaper than booking everything separately. There’s also One Key, Expedia's generous rewards program. Join for free and you could earn One Key cash on most bookings to save on future adventures.

 

*Terms apply.

 

Disclaimer: ARC The statistics are based on average round-trip ticket prices between January and August 2023. The percentages you see are averages.

 

Denver to Brussels Flights

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*Available to One Key members.