DEN - BRU

$273 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 10/22. 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

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.
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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

Fri, Oct 17 - Sun, Nov 2
Icelandair Logo
4:40 pm - 12:50 pmDEN-BRU
12h 10m1 stop
Icelandair Logo
12:50 pm - 6:05 pmBRU-DEN
13h 15m1 stop
$473Icelandair
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Wed, Nov 19 - Thu, Nov 27
Icelandair Logo
3:40 pm - 11:55 amDEN-BRU
12h 15m1 stop
Icelandair Logo
12:50 pm - 6:05 pmBRU-DEN
13h 15m1 stop
$483Icelandair
Find Deal
Sat, Nov 29 - Fri, Dec 5
Icelandair Logo
3:40 pm - 11:55 amDEN-BRU
12h 15m1 stop
Icelandair Logo
12:50 pm - 6:05 pmBRU-DEN
13h 15m1 stop
$486Icelandair
Find Deal
Tue, Jan 27 - Thu, Feb 12
British Airways Logo
5:25 pm - 1:35 pmDEN-BRU
12h 10m1 stop
British Airways Logo
10:15 am - 3:30 pmBRU-DEN
13h 15m1 stop
$572British Airways
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Mon, Jan 26 - Mon, Feb 9
British Airways Logo
5:25 pm - 10:00 amDEN-BRU
32h 35m1 stop
British Airways Logo
8:45 pm - 3:30 pmBRU-DEN
26h 45m1 stop
$575British Airways
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Sun, Nov 23 - Thu, Dec 4
Brussels Airlines Logo
11:15 am - 7:50 amDEN-BRU
12h 35m1 stop
Brussels Airlines Logo
10:00 am - 7:55 pmBRU-DEN
17h 55m1 stop
$592Brussels Airlines
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Wed, Jan 28 - Wed, Feb 4
United Airlines Logo
11:15 am - 7:50 amDEN-BRU
12h 35m1 stop
United Airlines Logo
10:10 am - 4:34 pmBRU-DEN
14h 24m1 stop
$602United Airlines
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Sat, Nov 22 - Tue, Dec 2
United Airlines Logo
11:59 pm - 7:15 amDEN-BRU
23h 16m1 stop
United Airlines Logo
10:00 am - 7:55 pmBRU-DEN
17h 55m1 stop
$608United Airlines
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Thu, Oct 16 - Thu, Oct 23
Turkish Airlines Logo
7:50 pm - 1:25 pmDEN-BRU
33h 35m1 stop
Turkish Airlines Logo
6:50 pm - 5:55 pmBRU-DEN
31h 05m1 stop
$628Turkish Airlines
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Wed, Jan 28 - Sat, Feb 7
Brussels Airlines Logo
11:15 am - 7:50 amDEN-BRU
12h 35m1 stop
Brussels Airlines Logo
10:00 am - 7:55 pmBRU-DEN
17h 55m1 stop
$642Brussels Airlines
Find Deal

Everything you should know

Top airlines
Icelandair
Cheapest • from $473 (round-trip)
United Airlines
Best reviews • 7.4 score
Airline reviews
Airline reviews
+1
+1
Airline reviews
Airline reviews
+1
When to travel
January
Cheapest • 22% price drop
September
Most popular
Good to know
Good to know
+1
+1
Good to know
Good to know
+1
Cheapest round-trip
$473
Overall average: $691
Icelandair
Fri 10/17Sun 11/2
DEN - BRU • 1 stop
Cheapest one-way
$273
Typical prices: $454-972
Multiple Airlines
Wed 10/22
DEN - BRU • 2 stops
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KAYAK searches 100s of sites at once to find you the best travel deals.
We hope you love your trip to Bruxelles-National!
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 January, where tickets cost $635 (return) on average. On the other hand, the most expensive months are June and December, where the average cost of round-trip tickets is $1,112 and $950 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 7 weeks before departure.

Good to know

Low seasonJanuary
Cheapest flight$273
Best time to beat the crowds with an average 22% drop in price.
Most popular time to fly and prices are also 11% 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 $273 for a one-way ticket and $473 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?

    SkyTeam, oneworld, and Star Alliance are the airline alliances operating flights between Denver and Brussels Airport, with Star Alliance 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 $850 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 $621 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 8924 reviews
7.7Boarding
8.1Crew
6.6Food
7.3Comfort
7.1Entertainment
Airline reviews

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

2.0 MediocreJulian, Sep 2025DEN - DRO
Read more United Airlines reviews

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.

For economy, it was very good. Staff was great, they even let some of us change seats for more leg room... Put an empty seat between us which was fantastic for a 12hr flight. Onboard entertainment was excellent, I think over 200 choices of movies/tv/etc The bad was the barely/nonfunctional wifi that cost either $16.99 or 1700 miles (full flight). It was atrocious... Definitely the worst of the last 3 long haul major airlines I was on the last few months.

Electric plugs didn't work. Entertainment system wasn't working

The design of the light switch on the arm rest is ridiculous.

The gate attendant let me walk right by her with a bag too big for the overhead compartment

Overall, it was a good experience. Boarding was good and there was plenty of overhead bin space for everyone’s carryons (even when we boarded toward the end). Only improvement would be to offer trash service more regularly.

David went above and beyond to make our flight the best that it could be

Rude staff. I would avoid using the word racist but definitely partially or discriminatory. My 72 yrs old mother who is also disabled was traveling on this flight. She was the second passenger boarded to the plane. The First elderly couple ahead of my mother were allowed to use the airplane bathroom but my mother was denied entry stating it was for safety reasons. My mother objected the the couple in front of her were allowed but hostess still stated that due to the flight safety reasons she can’t use it. Even my mother explained that he is using blood pressure medication that’s why she have to use the restroom frequently but the crew continued arguing her. At one point the Mae attendent even suggested that if that’s the case my mother can urinate in her seat. The level of disrespect against an elderly lady is beyond my comprehension. This matter will be taken to the social media to shame the employees involved.

my experience was great with Turkish airlines . the problem i encountered was with kayak booking. When I booked . it showed that im allowed a bag . and when I got to the airport, i had to pay $165 for one bag.

Not up to Business Class standards. Two of the three toilets were out of order. The hostesses were aware and didn’t show any responsible act to do something. Food quality was not what we expect from Turkish hospitality. Overall we were not impressed and disappointed.

During mid flight, try to get a flight attendant to help I couldn’t find one Otherwise, everything was perfect

I was not given basinett seat.The connecting flight was missed due to airline fault i was not accomodated for hotel.Drinks were normt served frewuently.Never travelling again on tirkish airlines.I always travel wiyh family by turkish airline but no more.zero stars

The crew were very hospitable and pleasant. The food was pretty good. Unfortunately, there was a flight delay of more than 2 hours. We're not sure why but it appeared to be outside the control of Turkish Airlines.

Bough tickets with luggage, but made me pay at Airport as well

The economy seat was so uncomfortable, had not enough leg room for 13 hours flight, front seat basket was broken and couldn’t hold anything, food quality was horrible( we got food poisoned ) we charged for logged which used to be free. We paid too much for this flight and very disappointed. Turkish air line better to make satisfy and respect people instead of find different way to scam people.

This is really the rating of two flights. JFK to IST then IST to NQZ. New York to Istanbul was good. Good crew and all positives. The flight to Astana was so bad that brought it all down. Crew was nonexistent above the minimum, seats were cramped, and it was hot on the plane. Turkish Airlines seems to be slipping down to US based carriers level.

The 2 agents on the check in counter were super nice , helpful and very polite. Boarding was like a 1 2 3, I would recommend Turkish airlines for your next trip.

Delays resulting in missed connecting flight. Attendant failed to arrange special assistance as promised to get us on connecting flight. Robyn was the particular attendant.

Too hot. Asked for an extra glass of water and was ignored. Asked to sit in empty seats that were open because it was so hot and crowded and was denied and the seats were empty the entire flight

Terrible leg room - I’m 5’3” and my knees were touching the seat in front of me. When the person sitting in front of me leaned back, there was about 15 inches of space between my head and the TV screen which made it awkward to view movies. Last year they had decent food, but this year the only tasty item on the trip was dessert.

The flight was delayed leaving Philadelphia due to “catering” and consequently arrived in Dublin some 75 minutes later than scheduled. Consequently this caused me to miss my connecting flight to Glasgow and I had to spend the night in Dublin.

The flight from Cincinnati to Philadelphia was satisfactory and uneventful.

Horrible. I had to wait in Dublin for 4 hours for the next connecting flight which took my to London and than i had to wait 3 hours for the flight to Dusseldorf

It was truly a horrible flight. We were delayed almost 2 hours. The seats were so tiny, my legs were hurting the entire flight. When i finally made it to Ireland i missed my connecting flight because we left Newark late. I will most likely never fly Aer Lingus again

Terrible. The test of an airline is how they deal with problems. There is very little to differentiate between airlines. Aer Lingus failed absolutely. They lost one of my bags even though we had more than a 2 hour connection in Dublin. Trying to get it back has been awful. In checking on line I can see that the bag is in Edinburgh and it was supposed to be delivered today. It wasn't. The number we have in the UK doesn't answer. I had to pay for an international call to speak to somebody. All the woman at the call centre could say was be patient wait. I can tell you when it will be delivered nor can I tell you who the courier is.

Not JetBlue's fault but Aer Lingus never explained how to transfer to JetBlue.

I was very disappointed that the online sys allowed me to get the boarding pass for the second leg of the trip, when I clearly request it for both flights!

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!

Worst airline I’ve ever flown. Delayed 5.5 hrs, missed connecting flight, and missed an entire day of vacation. Zero customer service

Everything sucked. No food, one small glass of water, a tiny coffee, 5.5 hour delay with no customer service. Would never recommend flying them.

The crew was wonderful at check in, the gate and on board. Felt the luggage had more room than the passengers. The seats were smaller than most domestic U.S. airlines. I'm only 5'2" and I had little legroom. There were only 2 bathrooms in coach. Needed more. The flight was very smooth but not the most comfortable.

There was no lounge at Boston for us to use. Typically flying first class overseas comes with lounge privileges. The seats did not recline even a little. My headset only worked on one side. I felt like I was flying on Ryan Air, not Icelandic Air.

The flight was delayed and as a consequence we missed our connecting flight. Were stuck for another 6h in Reykyavik. Appreciated that we got a generous food voucher at least. Would have liked to see more information upon arrival including a person waiting for connecting flight travellers and informing already that we will not catch the flight and directing us to the office dealing with the matter; unfortunately that didnt happen and we hence first needed to find out whether flight had indeed left already and then locate the adequate office to help us with booking us on the next connecting flight. Also my suitcase broke and it is not clear whether it is happened on the leg with Iceland Air from DC to Reykyavik or on the leg with Lufthansa from Reykyavik to Frankfurt. Finally, understood that it is a low cost company but at least provision of earplugs for free would have been nice, instead of making them buy.

Great experience on Icelandair flight from Newark to Amsterdam by way of Reykjavík. Courteous and professional staff. Food was solid. Service - outstanding. Cabin was a little warm.

Good service. No complementary food for international flight. WiFi kinda pricey. Got the job done for the right price.

I liked Quiet people around me. Crew could have helped people with overhead luggage so they aren't moving other peoples bags around and causing problems for people that had there bags there first

The flight and crew were good. The customer experience on the ground could have been better. We had to reschedule our flight because of a delay on the previous flight. The attendants working the desk in Washington DC were not helpful. They told us to scan a QR code and that would get us rebooked. Why couldn't two people standing at their computers do this? We had to chat with someone to get everything figured out. It was extremely confusing.

The plane was delayed by two hours in Chicago which led to us missing the next flight. Lufthansa rebooked the flight and booked us a hotel for the night in Frankfurt. The level of customer service and getting us taken care of was superb. The flight crew and the service on the ground was superb.

It was a short flight, everything was good with it.

Flight was delayed over one hour and I had to pay to select my seat, even though my booking supposedly had free selection (I paid extra for this at time of booking)

Stop charging for alcohol overseas flights and start taking cash again not everyone wants to pay with card if the person is bigger give him seat on the outside seats not the middle in between the people is common sense and mainly if you fly for Lufthansa provides the sam service and experience...

good entertainment package but rather small seats for business class

The male attendant has zero personality. It seemed like he was over worked or hated his job, not once did he smile or made any contact with the people on the plane. Strictly business and call it a day!

Booked Economy but it translated to economy light for Lufthansa so now we are stuck paying an extra $75 per person both ways for our checked bags. If I had known that, I would have never booked these tickets because it came out to be more than other options. The booking in the kayak side clearly says Economy and has a link to the inormation for Lufthansa which states Economy included a checked bag. Super annoyed about that.

The flight from Dulles to Munich was just okay. The seats were comfortable and extra foot room was noticeable in comfort plus. Disappointed in the booking in so much I requested an aisle seat and then was assigned a middle seat. The food was inedible. Movie choices were moderate. I usually fly Delta, but this WA flight was cheaper. Next time, I'll happily pay the extra to fly Delta.

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