What airlines fly to Brussels?

United Airlines, Icelandair and Lufthansa are the top three most popular airlines that fly to Brussels from Denver according to our data. United Airlines is the first choice among our users, with 40% of people opting to fly with this airline when traveling to Brussels. Keep in mind that there are 5 different airlines that fly to Brussels on a routine basis, so you have a few additional options to choose from.

What is the cheapest airline that flies from Denver Intl to Brussels?

Aer Lingus and Icelandair are the most popular carriers operating from Denver Intl to Brussels

When did momondo last update prices for flights from Denver Intl Airport to Brussels?

Prices for flights from Denver Intl Airport to Brussels are refreshed on a daily basis.

How many operators does momondo search for flights from Denver Intl Airport to Brussels?

There are 5 operators available for flights from Denver Intl Airport to Brussels as of September 2026.

How old do you have to be to fly from Denver Intl Airport to Brussels?

The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Denver Intl Airport to Brussels.

What documentation or ID do you need to fly to Brussels?

The travel and health documents you'll need for your trip to Brussels may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Brussels. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

$245 Cheap Flights from Denver to Brussels in 2026

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from Denver to Brussels

Round-trip

One-way

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Cheap round-trip flights

Enter your travel dates to find the best prices.

3:40 pm - 11:55 amDEN Denver Intl-BRU Brussels Bruxelles-National

12h 15m1 stop Reykjavik Keflavik Intl

12:50 pm - 6:00 pmBRU Brussels Bruxelles-National-DEN Denver Intl

13h 10m1 stop Reykjavik Keflavik Intl

$505Icelandair

Wed, Dec 9 - Tue, Dec 15

3:40 pm - 11:55 amDEN Denver Intl-BRU Brussels Bruxelles-National

12h 15m1 stop Reykjavik Keflavik Intl

12:50 pm - 6:00 pmBRU Brussels Bruxelles-National-DEN Denver Intl

13h 10m1 stop Reykjavik Keflavik Intl

$505Icelandair

Sat, Nov 14 - Sun, Nov 22

11:25 am - 7:50 amDEN Denver Intl-BRU Brussels Bruxelles-National

12h 25m1 stop Montreal Pierre Elliott Trudeau Intl

10:00 am - 8:27 pmBRU Brussels Bruxelles-National-DEN Denver Intl

18h 27m1 stop Montreal Pierre Elliott Trudeau Intl

$720Brussels Airlines

Mon, Nov 2 - Tue, Nov 10

11:25 am - 7:50 amDEN Denver Intl-BRU Brussels Bruxelles-National

12h 25m1 stop Montreal Pierre Elliott Trudeau Intl

10:00 am - 8:27 pmBRU Brussels Bruxelles-National-DEN Denver Intl

18h 27m1 stop Montreal Pierre Elliott Trudeau Intl

$721Multiple Airlines

Mon, Nov 2 - Tue, Nov 10

11:25 am - 7:50 amDEN Denver Intl-BRU Brussels Bruxelles-National

12h 25m1 stop Montreal Pierre Elliott Trudeau Intl

10:00 am - 8:27 pmBRU Brussels Bruxelles-National-DEN Denver Intl

18h 27m1 stop Montreal Pierre Elliott Trudeau Intl

$724Air Canada

Mon, Nov 2 - Tue, Nov 10

2:27 pm - 4:20 pmDEN Denver Intl-BRU Brussels Bruxelles-National

17h 53m2 stops Chicago O'Hare Intl London Heathrow

12:05 pm - 10:54 pmBRU Brussels Bruxelles-National-DEN Denver Intl

18h 49m2 stops London Heathrow Dallas/Fort Worth

$742British Airways

Wed, Dec 9 - Tue, Dec 15

2:27 pm - 4:20 pmDEN Denver Intl-BRU Brussels Bruxelles-National

17h 53m2 stops Chicago O'Hare Intl London Heathrow

12:05 pm - 10:54 pmBRU Brussels Bruxelles-National-DEN Denver Intl

18h 49m2 stops London Heathrow Dallas/Fort Worth

$743British Airways

Wed, Dec 9 - Tue, Dec 15

5:35 pm - 1:15 pmDEN Denver Intl-BRU Brussels Bruxelles-National

11h 40m1 stop London Heathrow

10:00 am - 8:27 pmBRU Brussels Bruxelles-National-DEN Denver Intl

18h 27m1 stop Montreal Pierre Elliott Trudeau Intl

$758United Airlines

Sun, Dec 6 - Thu, Dec 10

11:20 am - 7:50 amDEN Denver Intl-BRU Brussels Bruxelles-National

12h 30m1 stop Montreal Pierre Elliott Trudeau Intl

10:00 am - 8:27 pmBRU Brussels Bruxelles-National-DEN Denver Intl

18h 27m1 stop Montreal Pierre Elliott Trudeau Intl

$767Brussels Airlines

Thu, Nov 19 - Thu, Dec 3

5:35 pm - 1:15 pmDEN Denver Intl-BRU Brussels Bruxelles-National

11h 40m1 stop London Heathrow

10:00 am - 7:59 pmBRU Brussels Bruxelles-National-DEN Denver Intl

17h 59m2 stops Montreal Pierre Elliott Trudeau Intl Newark

$768United Airlines

Sun, Dec 6 - Thu, Dec 10

Cheap last minute flights

Enter your travel dates to find the best prices.

11:30 am - 7:50 amDEN Denver Intl-BRU Brussels Bruxelles-National

12h 20m1 stop Toronto Pearson Intl

9:10 am - 6:46 pmBRU Brussels Bruxelles-National-DEN Denver Intl

17h 36m1 stop Montreal Pierre Elliott Trudeau Intl

$944Air Canada

Wed, Sep 2 - Wed, Sep 9

11:30 am - 7:50 amDEN Denver Intl-BRU Brussels Bruxelles-National

12h 20m1 stop Toronto Pearson Intl

6:20 am - 6:46 pmBRU Brussels Bruxelles-National-DEN Denver Intl

20h 26m2 stops Frankfurt am Main Montreal Pierre Elliott Trudeau Intl

$948Multiple Airlines

Wed, Sep 2 - Wed, Sep 9

4:00 pm - 8:00 pmDEN Denver Intl-BRU Brussels Bruxelles-National

20h 00m2 stops Calgary London Heathrow

9:10 am - 6:25 pmBRU Brussels Bruxelles-National-DEN Denver Intl

17h 15m2 stops Montreal Pierre Elliott Trudeau Intl Chicago O'Hare Intl

$954Air Canada

Wed, Sep 2 - Wed, Sep 9

9:40 am - 7:50 amDEN Denver Intl-BRU Brussels Bruxelles-National

14h 10m2 stops Montreal Pierre Elliott Trudeau Intl Halifax Intl

9:10 am - 6:46 pmBRU Brussels Bruxelles-National-DEN Denver Intl

17h 36m1 stop Montreal Pierre Elliott Trudeau Intl

$1,000Multiple Airlines

Thu, Sep 3 - Tue, Sep 8

6:05 pm - 7:50 amDEN Denver Intl-BRU Brussels Bruxelles-National

29h 45m1 stop Toronto Pearson Intl

9:10 am - 10:31 amBRU Brussels Bruxelles-National-DEN Denver Intl

33h 21m1 stop Montreal Pierre Elliott Trudeau Intl

$1,003Multiple Airlines

Thu, Sep 3 - Tue, Sep 8

9:40 am - 7:50 amDEN Denver Intl-BRU Brussels Bruxelles-National

14h 10m2 stops Montreal Pierre Elliott Trudeau Intl Halifax Intl

9:10 am - 5:55 pmBRU Brussels Bruxelles-National-DEN Denver Intl

16h 45m2 stops Montreal Pierre Elliott Trudeau Intl Philadelphia

$1,020Air Canada

Thu, Sep 3 - Tue, Sep 8

5:35 pm - 8:00 pmDEN Denver Intl-BRU Brussels Bruxelles-National

18h 25m1 stop London Heathrow

4:25 pm - 1:45 pmBRU Brussels Bruxelles-National-DEN Denver Intl

29h 20m1 stop Munich Franz Josef Strauss

$1,024Multiple Airlines

Thu, Sep 3 - Mon, Sep 7

6:00 am - 7:10 amDEN Denver Intl-BRU Brussels Bruxelles-National

17h 10m2 stops Newark Montreal Pierre Elliott Trudeau Intl

2:25 pm - 1:35 pmBRU Brussels Bruxelles-National-DEN Denver Intl

31h 10m1 stop Frankfurt am Main

$1,044United Airlines

Thu, Sep 3 - Mon, Sep 7

9:40 am - 7:50 amDEN Denver Intl-BRU Brussels Bruxelles-National

14h 10m2 stops Montreal Pierre Elliott Trudeau Intl Halifax Intl

6:20 am - 11:52 pmBRU Brussels Bruxelles-National-DEN Denver Intl

25h 32m2 stops Frankfurt am Main Vancouver Intl

$1,079Air Canada

Thu, Sep 3 - Mon, Sep 7

6:56 am - 9:40 amDEN Denver Intl-BRU Brussels Bruxelles-National

18h 44m2 stops Chicago O'Hare Intl Dublin

10:20 am - 6:15 pmBRU Brussels Bruxelles-National-DEN Denver Intl

15h 55m1 stop Dublin

$1,340Aer Lingus

Sat, Sep 5 - Mon, Sep 7

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Delta flights from Denver to Brussels

Our best Delta deals on Denver to Brussels flight tickets

Delta

Dec 9

DEN6:25 amDenver Intl

23h 50m

2 stops

BRU2:15 pmBrussels Bruxelles-National

Dec 15

BRU6:15 amBrussels Bruxelles-National

18h 56m

2 stops

DEN5:11 pmDenver Intl

$765

Delta

Sep 15

DEN5:30 amDenver Intl

18h 10m

2 stops

BRU7:40 amBrussels Bruxelles-National

Sep 19

BRU9:45 amBrussels Bruxelles-National

20h 04m

2 stops

DEN9:49 pmDenver Intl

$1,415

Icelandair flights from Denver to Brussels

Our best Icelandair deals on Denver to Brussels flight tickets

Icelandair

Nov 2

DEN3:40 pmDenver Intl

12h 15m

1 stop

BRU11:55 amBrussels Bruxelles-National

Nov 10

BRU12:50 pmBrussels Bruxelles-National

13h 10m

1 stop

DEN6:00 pmDenver Intl

$505

Icelandair

Dec 9

DEN3:40 pmDenver Intl

12h 15m

1 stop

BRU11:55 amBrussels Bruxelles-National

Dec 15

BRU12:50 pmBrussels Bruxelles-National

13h 10m

1 stop

DEN6:00 pmDenver Intl

$506

Icelandair

Dec 9

DEN3:40 pmDenver Intl

12h 15m

1 stop

BRU11:55 amBrussels Bruxelles-National

Dec 15

BRU12:50 pmBrussels Bruxelles-National

13h 10m

1 stop

DEN6:00 pmDenver Intl

$551

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

Quickest round-trip

DenverBrussels

DEN Denver Intl - BRU Brussels Bruxelles-National

DENBRU

Denver Intl

Wed 12/9

3:40 pm-11:55 am

1 stop12h 15m

Brussels Bruxelles-National

Tue 12/15

12:50 pm-6:00 pm

1 stop13h 10m

$505

DenverBrussels

DEN Denver Intl - BRU Brussels Bruxelles-National

DENBRU

Denver Intl

Sat 11/14

3:40 pm-11:55 am

1 stop12h 15m

Brussels Bruxelles-National

Sun 11/22

12:50 pm-6:00 pm

1 stop13h 10m

$505

DenverBrussels

DEN Denver Intl - BRU Brussels Bruxelles-National

DENBRU

Denver Intl

Mon 11/2

11:25 am-7:50 am

1 stop12h 25m

Brussels Bruxelles-National

Tue 11/10

10:00 am-8:27 pm

1 stop18h 27m

$720

DenverBrussels

DEN Denver Intl - BRU Brussels Bruxelles-National

DENBRU

Denver Intl

Mon 11/2

11:25 am-7:50 am

1 stop12h 25m

Brussels Bruxelles-National

Tue 11/10

10:00 am-8:27 pm

1 stop18h 27m

$721

DenverBrussels

DEN Denver Intl - BRU Brussels Bruxelles-National

DENBRU

Denver Intl

Mon 11/2

11:25 am-7:50 am

1 stop12h 25m

Brussels Bruxelles-National

Tue 11/10

10:00 am-8:27 pm

1 stop18h 27m

$724

DenverBrussels

DEN Denver Intl - BRU Brussels Bruxelles-National

DENBRU

Denver Intl

Wed 12/9

2:27 pm-4:20 pm

2 stops17h 53m

Brussels Bruxelles-National

Tue 12/15

12:05 pm-10:54 pm

2 stops18h 49m

$742

DenverBrussels

DEN Denver Intl - BRU Brussels Bruxelles-National

DENBRU

Denver Intl

Wed 12/9

2:27 pm-4:20 pm

2 stops17h 53m

Brussels Bruxelles-National

Tue 12/15

12:05 pm-10:54 pm

2 stops18h 49m

$743

DenverBrussels

DEN Denver Intl - BRU Brussels Bruxelles-National

DENBRU

Denver Intl

Sun 12/6

5:35 pm-1:15 pm

1 stop11h 40m

Brussels Bruxelles-National

Thu 12/10

10:00 am-8:27 pm

1 stop18h 27m

$758

DenverBrussels

DEN Denver Intl - BRU Brussels Bruxelles-National

DENBRU

Denver Intl

Thu 11/19

11:20 am-7:50 am

1 stop12h 30m

Brussels Bruxelles-National

Thu 12/3

10:00 am-8:27 pm

1 stop18h 27m

$767

DenverBrussels

DEN Denver Intl - BRU Brussels Bruxelles-National

DENBRU

Denver Intl

Sun 12/6

5:35 pm-1:15 pm

1 stop11h 40m

Brussels Bruxelles-National

Thu 12/10

10:00 am-7:59 pm

2 stops17h 59m

$768

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first

How to get the cheapest flight ticket from Denver to Brussels

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

Prices

Airlines

What is the typical price of a round-trip flight between Denver and Brussels?

Prices are currently low for flights on this route.

Typical prices usually range from $708 to $813.
The lowest price recently found on this route was $505.

What is the cheapest month to fly to Brussels?

In general, April is the cheapest month to fly from Denver to Brussels. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $683. If you are unable to visit Brussels during the month of April, then departing from Denver during the month February is also very affordable. Most momondo users find prices during this month for around $691.

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

You are more likely to see cheaper flights to Brussels from Denver when booking weeks ahead of your departure date. In general, you can expect to find flights to Brussels for around $771 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Brussels from Denver for as low as $679 on momondo.

Cheap Denver to Brussels flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Denver to Brussels

Best Price Found	$245
Fastest flight time	11h 45m
Direct flights	None

The best one-way flight to Brussels from Denver in the past 72 hours is $245. The best round-trip flight deal from Denver to Brussels found on momondo in the last 72 hours is $505.

The fastest flight from Denver to Brussels takes 11h 45m

There are no direct flights from Denver to Brussels. There are no popular flight routes from Denver to Brussels.

Search flight deals

Frequently asked questions about flying from Denver to Brussels

How far is Denver Intl to Brussels by plane?
A flight from Denver Intl to Brussels will travel around 4862.5 mi. By plane, this route typically takes 11h 45m.
When did momondo last update prices for flights from Denver Intl Airport to Brussels?
Prices for flights from Denver Intl Airport to Brussels are refreshed on a daily basis.
How many operators does momondo search for flights from Denver Intl Airport to Brussels?
There are 5 operators available for flights from Denver Intl Airport to Brussels as of September 2026.
How old do you have to be to fly from Denver Intl Airport to Brussels?
The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Denver Intl Airport to Brussels.
What documentation or ID do you need to fly to Brussels?
The travel and health documents you'll need for your trip to Brussels may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Brussels. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

Best airlines flying from Denver to Brussels

Compare and see reviews for airlines that fly from Denver to Brussels with momondo

Airline	Rating	Free Cancellation	Price
British Airways	PriceFrom $492	Free Cancellation	Rating 6.7 8,195 reviews	Search British Airways flights
Icelandair	PriceFrom $503	Free Cancellation	Rating 6.9 738 reviews	Search Icelandair flights
Brussels Airlines	PriceFrom $593	Free Cancellation	Rating 7.3 431 reviews	Search Brussels Airlines flights
United Airlines	PriceFrom $642	Free Cancellation	Rating 7.4 10,157 reviews	Search United Airlines flights
Lufthansa	PriceFrom $659	Free Cancellation	Rating 6.8 8,232 reviews	Search Lufthansa flights

Why use momondo?

Why should I use momondo to find a flight deal from Denver to Brussels?

It is quick and easy to find Denver to Brussels flights on momondo. We search and return numerous flight options from various airlines and agents. You can then use our filters to narrow your search until you have found the most convenient flight to Brussels that suits you.

Can I find flights from Denver to Brussels with flexible booking policies on momondo?

momondo does allow users to show only those flights to Brussels from Denver which offer a flexible booking policy as well as other useful filters and features.

How can momondo help me find flights from Denver to Brussels?

Once you have performed a search for Denver to Brussels flights, momondo helps you find the right one by offering useful filters to narrow down your flight selection. Flights can be filtered by multiple factors such as airline, airport and price; but also by other criteria like aircraft type and payment method.

I’m not ready to book a flight from Denver to Brussels right now. Can momondo alert me if prices change?

Of course. momondo tracks the price of Denver to Brussels flights. All you need is a valid email address and we will do the rest; it is that quick and easy.

An easier way to manage your Brussels trip

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Complete your trip

Feeling lucky

Fly into one of these airports located in Brussels

Brussels Bruxelles-National Airport

Charleroi Brussels Airport

Cheap flights from Denver to Brussels from $245

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Denver to Brussels departing on 10/28. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.

Find the cheapest flights from Denver to Brussels

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Delta flights from Denver to Brussels

Our best Delta deals on Denver to Brussels flight tickets

Icelandair flights from Denver to Brussels

Our best Icelandair deals on Denver to Brussels flight tickets

momondo Fare Finder

Use the filters below to find and compare flights from Denver to Brussels that are best for you.

See travel insights to Brussels from

How to get the cheapest flight ticket from Denver to Brussels

What is the typical price of a round-trip flight between Denver and Brussels?

What is the cheapest month to fly to Brussels?

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

What is the cheapest airline that flies from Denver Intl to Brussels?

What airlines fly to Brussels?

Cheap Denver to Brussels flight deals and tips

Best Price Found

Fastest flight time

Direct flights

Frequently asked questions about flying from Denver to Brussels

Best airlines flying from Denver to Brussels

Compare and see reviews for airlines that fly from Denver to Brussels with momondo

Why use momondo?

An easier way to manage your Brussels trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.

Find better results for your trip to Belgium

Fly into one of these airports located in Brussels

Airports listed have a maximum distance of 27.4 mi from Brussels

Fly your favorite airline to Brussels

Airlines are sorted and displayed according to clicks in the past 7 days on momondo

Popular cities in Belgium

Popular flights according to clicks in the last 7 days on momondo

Fly to other destinations from Denver

According to popular flight searches on momondo this year

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