DEN - BRU

$268 Find Cheap Flights from Denver to Brussels Airport

This is the cheapest one-way flight price found by a KAYAK user in the last 72 hours by searching for a flight from Denver to Bruxelles-National departing on 1/7. Fares are subject to change and may not be available on all flights or dates of travel. Click the price to replicate the search for this deal.
1 adult
1 adult, Economy, 0 bags

KAYAK searches hundreds of travel sites at once for deals on flights to Brussels Bruxelles-National Airport

 
These are the airlines KAYAK users have selected most often from within our search results in flight searches from Denver to Brussels.
These are the airlines KAYAK users have selected most often from within our search results in flight searches from Denver to Brussels.
Travelers love KAYAK
41,299,237 searches in the past 7 days on KAYAK

Save 24% or moreCompare multiple travel sites with one search.

Track pricesNot ready to book? Create a price alert for when prices drop.

Bundle and saveSave money when you bundle your flight + hotel.

Filter your dealsChoose cabin class, free Wi-Fi and more.

Everything you should know

Cheapest round-trip
$529
Overall average: $745
British Airways
Mon 4/27Wed 5/13
DEN - BRU • 1 stop
Cheapest one-way
$268
Typical prices: $551-$5,073
Icelandair
Wed 1/7
DEN - BRU • 1 stop
Top airlines
British Airways
Cheapest • from $554 (round-trip)
United Airlines
Best reviews • 7.4 score
Airline reviews
Airline reviews
+1
+1
Airline reviews
Airline reviews
+1
When to travel
November
Cheapest • 13% price drop
September
Most popular
Good to know
Good to know
+1
+1
Good to know
Good to know
+1
Start a new search
KAYAK searches 100s of sites at once to find you the best travel deals.
We hope you love your trip to Bruxelles-National!
Flight Deals
Booking Insights
Flight Deals

Cheap Flights from Denver to Bruxelles-National (DEN-BRU)

 
Here are some of the best deals found on KAYAK recently from the most popular airlines for round-trip flights from Denver to Bruxelles-National that are departing in the next months. While these flights were available on KAYAK in the last 72 hours, prices and availability are subject to change and deals may expire.
Discover the best prices for you by selecting your travel dates on KAYAK.

Recent round-trip flight deals from Denver to Bruxelles-National

Mon, Apr 27 - Wed, May 13
British Airways Logo
6:40 pm - 7:35 pm
DEN
-
BRU
16h 55m1 stop
British Airways Logo
3:15 pm - 4:30 pm
BRU
-
DEN
33h 15m1 stop
$529British Airways
Mon, Apr 27 - Wed, May 13
British Airways Logo
6:40 pm - 2:20 pm
DEN
-
BRU
11h 40m1 stop
British Airways Logo
3:15 pm - 4:30 pm
BRU
-
DEN
33h 15m1 stop
$530British Airways
Mon, Apr 27 - Wed, May 13
British Airways Logo
10:38 am - 7:35 pm
DEN
-
BRU
24h 57m2 stops
British Airways Logo
9:10 pm - 4:30 pm
BRU
-
DEN
27h 20m1 stop
$550British Airways
Mon, Apr 27 - Wed, May 13
British Airways Logo
10:38 am - 7:35 pm
DEN
-
BRU
24h 57m2 stops
British Airways Logo
9:10 pm - 4:30 pm
BRU
-
DEN
27h 20m1 stop
$551British Airways
Mon, Apr 27 - Wed, May 13
British Airways Logo
9:02 am - 7:35 pm
DEN
-
BRU
26h 33m2 stops
British Airways Logo
10:55 am - 8:33 pm
BRU
-
DEN
17h 38m2 stops
$553British Airways
Mon, Apr 27 - Wed, May 13
British Airways Logo
10:38 am - 7:35 pm
DEN
-
BRU
24h 57m2 stops
British Airways Logo
10:55 am - 10:19 pm
BRU
-
DEN
19h 24m2 stops
$554British Airways
Fri, May 1 - Wed, May 13
Icelandair Logo
4:40 pm - 12:55 pm
DEN
-
BRU
12h 15m1 stop
Icelandair Logo
1:50 pm - 7:00 pm
BRU
-
DEN
13h 10m1 stop
$557Icelandair
Mon, Apr 27 - Wed, May 13
British Airways Logo
6:40 pm - 7:35 pm
DEN
-
BRU
16h 55m1 stop
British Airways Logo
3:15 pm - 4:30 pm
BRU
-
DEN
33h 15m1 stop
$564British Airways
Fri, May 1 - Tue, May 12
British Airways Logo
6:40 pm - 9:15 pm
DEN
-
BRU
18h 35m1 stop
British Airways Logo
10:55 am - 4:30 pm
BRU
-
DEN
13h 35m1 stop
$579British Airways
Mon, Feb 23 - Tue, Mar 3
Multiple Airlines Logo
8:20 pm - 4:15 pm
DEN
-
BRU
11h 55m1 stop
Multiple Airlines Logo
1:50 pm - 6:55 pm
BRU
-
DEN
13h 05m1 stop
$580Multiple Airlines
Booking Insights

KAYAK's insights & trends for Denver to Bruxelles-National flights

Get data-powered insights and trends into flights from Denver to Bruxelles-National to help you find the cheapest flights, the best time to fly and much more.

What’s the cheapest day of the week to fly from Denver to Brussels Airport?

The average price of all round-trip flights from Denver to Brussels Bruxelles-National Airport clicked on KAYAK for each day over the last 12 months.

If you are looking for a flight deal from Denver to Brussels Airport, look for departures on Tuesdays and avoid leaving on a Saturday, as it's usually the priciest day. When flying back from Brussels Airport, Thursday is the cheapest day to fly and Saturday is the most expensive.

What is the cheapest month to fly from Denver to Brussels Bruxelles-National Airport?

To calculate monthly average prices, KAYAK takes all prices for each month over the last year for round-trip flights from Denver to Brussels Bruxelles-National Airport, removes the top 0.1% to account for outliers, and then takes the median of all values for each month.

The cheapest month for flights from Denver to Brussels Bruxelles-National Airport is November, where tickets cost $699 (return) on average. On the other hand, the most expensive months are June and July, where the average cost of round-trip tickets is $1,041 and $908 respectively.

How far in advance should I book a flight from Denver to Brussels Bruxelles-National Airport?

To calculate weekly average prices, KAYAK takes all prices for each week before departure over the last year for round-trip flights from Denver to Brussels Bruxelles-National Airport, removes the top 0.1% to account for outliers, and then takes the average of all the values for each week.

To get a below average price on the flight from Denver to Brussels Bruxelles-National Airport, you should book around 1 week before departure. For the absolute cheapest price, our data suggests you should book 14 weeks before departure.

Good to know

Low seasonFebruary
Cheapest flight$268
Best time to beat the crowds with an average 4% drop in price.
Most popular time to fly and prices are also 10% lower on average.
Flight from Denver to Brussels Airport

When to book flights from Denver to Bruxelles-National

Are your dates flexible? Find out the best times to travel from Denver to Bruxelles-National based on our flight data from the last year. Discover the cheapest month and even day to fly.
Estimated round-trip price
KAYAK looks at all historical flight data for each date to provide a predicted price for one-way trips or round-trips with a duration up to 40 days. While we try to provide actual minimum prices for each date, some prices are predictions and actual prices may differ.

FAQs for booking Denver to Brussels Airport flights

  • Which are the most popular layovers between Denver and Brussels?

    When booking your flight from Denver International Airport (DEN) to Brussels Airport (BRU), many airlines offer one-stop flights along this route. For instance, United Airlines has a layover at Chicago O'Hare International Airport (ORD), British Airways goes through London Heathrow Airport (LHR), and Icelandair makes a stop at Reykjavik Airport (RKV).

  • What special services do airlines from Denver to Brussels offer for business- and first-class travelers?

    As flights from Denver International Airport to Brussels Airport (BRU) involve long-haul flights, you are better off flying business or first class for a comfortable and relaxing voyage. Besides, you will be given blankets, pillows, and bedding, which you can spread on the lie-flat seats for a cozy nap on your way to Brussels.

  • Which nearby cities and towns can I visit after landing at Brussels Airport (BRU)?

    Immediately after arriving at the Brussels Airport (BRU), remember that the facility serves many other destinations in the neighborhood. For example, Diest, Sint-Niklaas, Namur, Kapellen, Lokoren, Oostkamp, and Sint-Truiden are all within an hour’s drive of BRU. You can explore these towns via taxi, bus, or car rental.

  • What is the easiest way to get to Downtown Brussels from Brussels Airport (BRU)?

    Trains provide the most convenient means of transfer from Brussels Airport (BRU) to the city center of Brussels. The train departs every 10 minutes from the airport to Bruxelles-Central, reaching there in about 19 minutes. If you are on a tight bus, consider the Line 12 bus, leaving every 20 minutes and covering the distance in approximately 36 minutes. Lastly, a taxi is ideal for those who want to be downtown in under 14 minutes.

  • What is the cheapest flight from Denver to Brussels Bruxelles-National Airport?

    In the last 3 days, the lowest price for a flight from Denver to Brussels Bruxelles-National Airport was $268 for a one-way ticket and $530 for a round-trip.

  • Do I need a passport to fly between Denver and Brussels Airport?

    A passport is required to fly from Denver to Brussels Airport.

  • Which airports will I be using when flying from Denver to Brussels Airport?

    On your way to Brussels Airport, you’ll fly out from Denver Intl. You’ll be landing at Brussels Bruxelles-National.

  • Which aircraft models fly most regularly from Denver to Brussels Airport?

    We unfortunately don’t have that data for this specific route.

  • Which airline alliances offer flights from Denver to Brussels Airport?

    oneworld, and Star Alliance are the airline alliances operating flights between Denver and Brussels Airport, with oneworld being the most commonly used for this route.

  • Which is the best airline for flights from Denver to Brussels, United Airlines or Turkish Airlines?

    The two airlines most popular with KAYAK users for flights from Denver to Brussels are United Airlines and Turkish Airlines. With an average price for the route of $836 and an overall rating of 7.4, United Airlines is the most popular choice. Turkish Airlines is also a great choice for the route, with an average price of $626 and an overall rating of 7.3.

  • How does KAYAK find such low prices on flights from Denver to Brussels Airport?

    KAYAK is a travel search engine. That means we look across the web to find the best prices we can find for our users. With over 2 billion flight queries processed yearly, we are able to display a variety of prices and options on flights from Denver to Brussels Airport.

  • How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from Denver to Brussels Airport?

    KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to Brussels Airport from Denver is likely to change within 7 days, so travelers know whether to wait or book now.

  • What is the Hacker Fare option on flights from Denver to Brussels Airport?

    Hacker Fares allow you to combine one-way tickets in order to save you money over a traditional round-trip ticket. You could then fly to Brussels Airport with an airline and back to Denver with another airline. Booking your flights between Denver and BRU can sometimes prove cheaper using this method.

  • What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from Denver to Brussels Airport?

    Sometimes travel dates aren't set in stone. If your preferred travel dates have some wiggle room, flexible dates will show you all the options when flying to Brussels Airport from Denver up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

KAYAK’s top tips for finding a cheap flight from Denver to Brussels Bruxelles-National Airport

  • Denver International Airport (DEN) is a major hub for both United Airlines and Frontier Airlines and the largest operating base for Southwest Airlines. United Airlines flies to Brussels Airport (BRU) via Terminal West, Gate B, while Frontier uses Terminal East, Gate A. If you are flying aboard Southwest Airlines, you will depart through Terminal East, Gate C.
  • When flying from Denver International Airport (DEN) to Brussels (BRU), you will be glad to know that most airlines allow passengers to shift from Economy to Business- or First-Class. The offer to upgrade your seat is typically available during booking, check-in, or at the boarding gate. Interested passengers should listen to the announcements keenly.
  • Major airlines between Denver (DEN) and Brussels (BRU), including Brussels Airlines, Lufthansa, American Airlines, and KLM, allow passengers to tag their furry friends into the cabin, including cats and dogs. In addition, you will be required to present recent vaccination certificates and be ready to lock your pets into their cages until you land.
  • Regardless of the carrier you book, you will enjoy accessible services when flying from Denver International Airport (DEN) to Brussels Airport (BRU). Well-trained airline agents are strategically positioned at the departure and arrival stations to assist passengers with mobility challenges. Also, you can request wheelchair services at least 72 hours before traveling.
  • KLM, American Airlines, Lufthansa, and Brussels Airlines are parents’ favorites when transiting from Denver International Airport (DEN) to Brussels Airport (BRU). In addition to comfortable seats with extra legroom, there are kid-friendly entertainment and a children’s menu for the little ones to enjoy.

Reviews of the top 5 airlines serving from Denver to Bruxelles-National

 
See real verified KAYAK customer reviews for airlines flying from Denver to Brussels. Airline scores are aggregated from all reviews left by passengers on KAYAK after flying with an airline. KAYAK doesn’t show reviews that are older than 5 years. Learn how KAYAK collects reviews.
Need help choosing which airline to fly with from Denver to Bruxelles-National? KAYAK airline reviews give an overall score for each airline based on loads of factors, including comfort, boarding, in-flight entertainment and more, to make your decision easier. See airline scores according to verified KAYAK customer reviews.
7.4
United AirlinesOverall score based on 9109 reviews
7.7Boarding
7.3Comfort
7.1Entertainment
8.1Crew
6.6Food
Airline reviews

Flight was late - I was downgraded from first class to coach

2.0 MediocreMukund, Dec 2025
DEN - SFO
Read more United Airlines reviews

Flight was late - I was downgraded from first class to coach

United overall experience is great these days. Airport experience was very organized. Staff on flight were great. App and information as good as it gets.

Great smooth flight. Had a seating change, but that was an improvement. Thanks United Airways Crew.

Flight was good but there are way to many announcements for credit cards etc.

Crew seemed a bit cranky. No seatback screens. But boarding was efficient and on time and we arrived early.

See previous note about the passenger in Denver who threw my husband's bag out of the overhead bin in order to maker room for his own. And the flight attendant back up the new passenger.

Terrible. They wouldn't allow me on my flight on the 14th..

Impressed with the service despite turbulence because of the weather. Both flights arrived before their scheduled times.

Great experience…left a bit behind schedule but made up fir that in the air and landed 10 minutes early 😁

The seat and leg room was not good. The food and beverage service was good.

Canceled my flight couple hours before takeoff. They could not find a decent re-routing and refused to pay for when i subjected alternative with Lufthansa.

Seats a little to soft on the SFO DUB flight

I was not admitted to the flight!!! I need a refund for this

Well, I think we left close to on time. Crew was “eh”.

One of the best flights I've been on in a while. Very genuinely friendly staff. Courteous, kind, respectful. On a past flight (not Aer Lingus) I remember being woken up rudely to put my seat forward. Like a child being berated for something. Oddly jarring experience when someone could just tap you gently on the shoulder and gesture kindly. But I noticed the Aer Lingus staff were incredibly patient with everyone on the plane. It's the holiday season and I noticed a lot more elderly customers on the plane than I typically see flying, and the staff went above and beyond with helping accommodate people. Service throughout the flight was flawless. They came through offering water, and picking up garbage at perfect intervals. Seemed like this flight, everyone was on point. And the flight landed early on top of that

Flight takeoff was delayed an hour, but arrival time was not updated at the same time as departure time, so those picking me up at the other end were not alerted to the change in my arrival.

Seats are terribly cramped. I’m only 5’2” and my knees were practically in my face. No room to put a normal size bag under the seat and when the person in front of you reclined their seat your tray table was in your lap. This is the airline’s way of cramming more seats into the plane to make more money. I’ll think twice about taking Aer Lingus again since there are a few other options from Boston to the Emerald Isle.

Couldn’t check In online, message was couldn’t check in until Sunday morning though plane left Saturday night. Checked in okay at airport but caused slot if stress.

Experience was great overall. However, the connection time between my flights (1hr 15 mins) was too short. We had to get through security check and US immigration in that time, and I made it to the gate just as they were announcing it was about to close. Flights with such a short connection time should maybe not be offered for purchase, or an advance alert would be helpful. Other than that the in-flight experience was excellent, especially the food. Many thanks!

Fast and sensible boarding was absolutely amazing. But extortionate wifi and seats that barely moved, making me unable to sleep, didn't do a lot of favors.

Food - Non-Existent. You pay for everything. It is strictly Pay-to-Play!

Again, we paid $ 328.00 for specific seats are were assigned those seats.

Never again. Terrible hospitality and human decency for an international flight. No food, no snacks, no beverages, blankets, pillows, limited entertainment. Tiny seats without any cushion and some do not even recline. I was shocked that they did not charge for seat belts. Never in my life have I witness asking for "spare change" for charity before landing on both legs of the flight. Icelandair can contribute on their own to said, so called, children's charity with the money saved from providing 3 centimeters of tea and water to hungry and dehydrated passengers.

Having been prepared for paying for everything on board other than water, coffee and tea the service was OK. Food and drink is expensive but the food was OK if limited in scope. Plane was clean and obviously well serviced. After complaining about having to walk in wind and rain to a get a bus to the airport the same thing happened at Portland. I’m sure you could get a terminal gate flight, complimentary food and drink for not much more money without traipsing through rain and slush in Reykjavik. Not bad but not great.

If there was a disclaimer regarding food service or lack thereof, l missed it. If l had known l would have prepared better. Same with transferring at Reykjavik. No information about disembarking via stairs into rain, slush and puddles deep enough to swallow a foot. After being treated to haute cuisine restaurants and warm inviting environment during the flight, the airport is, let’s be kind, disappointing. Plane was comfortable, Airbus, staff were welcoming enough. I would likely try the route again. Maybe have a night and day in Iceland. Maybe not.

They had a 4 hour delay and left my luggage in Iceland and it didn’t arrive in Portland until 11/1

It was too cold in the plane my feet froze

Handling our luggage was the biggest issue - they lost it and we got it almost 3 days later. Really threw off the beginning of our trip and we really had to change our itinerary accordingly.

Seat was hard and uncomfortable and the temperature too warm and uncomfortable.

Best smelling onboard bathrooms ever. Even after use the whole flight. Biggest overhead bins. Most legroom in economy class. Great Icelandiic music. Really nice staff. Icelandair is awesome! (Don’t fly Air Canada! During the strike they lied about no flights available (I booked this flight myself) and hid the process to get money back on their website by obscuring menu titles, then made it difficult and time consuming to fill out. I’m Canadian. Don’t trust Air Canada!

Ground staff and cabin crew were excellent. Flight was perfectly on time. Zero issues.

Even after a delay, getting off the ground, thanks for keeping me safe, the airline made certain that my connecting flight was rebooked to get me to my final destination. It was actually rebooked twice, and my luggage still managed to meet me. The airline gave me a credit for food and beverage to be used at the airport vendors, regretfully, the credit did not transfer to my final boarding pass. Oh, well…

Trip was smooth, good drew, average meal, almost cold coffee. Excellent landing. Did not enjoy going down the stairs, walking to the gate, walking up the stairs, going a long walk to the exchange gate, and going down the stairs again to be bussed all the way where we originally landed to take our next flight! Over all an average experience. Thank you.

I booked extra leg room, due to seat neighbor i now consider extra shoulder and arm room as well. Seems like the seats shrink in width now The crew was very friendly and professional ( 100%). Food was good not great, breakfast was bad, a dry slice of bread would have been better. Facilities clean.

Luggage transfer in Chicago was not performed in time. I received my luggage at my destination two days later.

love the crews and my only problem was the delay at Frankfurt was very bad. I have travelled with Lufthansa for over 30 years now and this was cost me some planned business appointment

The flight delay made the connection a bit tight but that's outside the flight crew's control.

We just made it to our connecting flight. A long, long speed walk!

We didn't get the coffee with breakfast in the morning.. 30 mins lazer I asked flight attendant why don't we get coffee now at least.. after the breakfast..she said that captain announced possible turbulences fee minutes ago, which didn't ecplain why we didn't get it with the breakfast..breakfast was very poor btw..just little pastry which you can eat in 4 little bites. Turbulences fortunately didn't even happen.. but we didn't get that more than necessary coffee in the morning after the night flight with very poor sleep.. They just served breakfast 1 hour afzer we took off..at like 11 PM.. that doesn't make sense at all.. Also, flight attendants weren't very nice..they looked like they're not happy with their job.. :/

Lufthansa still has a good level of quality compared to US airlines, especially with respect to (1) food quality - actually tasty, (2) good French red wine - free, (3) good movie selection. Also my ticket price includes 1 free check-in luggage, while some other budget airlines sneak in an extra $150 for a checkin.

I travelled in business class and was disappointed by lack of service, curt and borderline rude time of the crew and to top it off, all of my luggage was delayed. It was like pulling teeth to even report the missing luggage and recover it the next day from the airport.

Plane was extremely delayed, but not all of it was BA fault (some was). Worst part was lack of room - this had as much space as an Allegiant flight. I thought transatlantic usually gave you an extra inch or two, but not this one. Entertainment system sporadically worked and didn’t have great options. Overhead bins are old and tiny, not as good as aunties new planes.

Boarding was poor. All groups called immediately one after the other resulting in a long queue in the jetty/jet bridge. Seats were very hard and and did not recline on a 4.5 hour flight. No food was available. Plane was cold. There was no entertainment.

The cramped seats are cruel and unusual punishment and may violate the Geneva code.

Check in was was and the agent was very friendly and helpful The lounge was nice...boarding was straight from the lounge Everything worked at our seats, and video entertainment was good ..food was mediocre

The flight was excellent in World Travellor plus. Well worth the extra money. Boarding at Phoenix was the usual poorly organized event. Very stressful.

Although business class, the seating was really cramped. The food was so so.

Smooth trip no turbulence which is always a bonus for me lol! In cattle class so an element of being a bit squished (but not as bad as other shorter haul airlines) smaller plane than the one we flew out on and entertainment system wasn’t as modern but still definitely passed the time. Lovely crew x

I was attacked in the Miami airport and the staff did nothing. On my flight from London to Miami one of the flight attendants screamed at me and demanded I keep my seat in the upright position at all times during the fight so the man behind me was comfortable for the flight. I will never in my life use British airways again

Airlines have to stop assuming passengers bring entertainment. Provide it like you used to in business class and above!! N

Everything you need to know for your flight from Denver to Bruxelles-National

Information on your arrival and departure airports