$361 Find Cheap Flights from Europe to Denver - Compare and Save

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Cheap Flights from Europe to Denver

 
Discover the best prices for you by selecting your travel dates on KAYAK.

Recent round-trip flight deals from Europe to Denver

Wed, Sep 16 - Mon, Oct 5
Lufthansa Logo
7:45 am - 1:35 pmCDG  Paris Charles de Gaulle-DEN Denver Intl
13h 50m1 stop Frankfurt am Main
Lufthansa Logo
3:45 pm - 12:35 pmDEN  Denver Intl-CDG Paris Charles de Gaulle
12h 50m1 stop Washington, D.C. Dulles Intl
$637Lufthansa
Mon, Jan 18 - Sun, Jan 24
British Airways Logo
6:25 am - 3:10 pmCDG  Paris Charles de Gaulle-DEN Denver Intl
16h 45m1 stop London Heathrow
British Airways Logo
5:01 pm - 3:15 pmDEN  Denver Intl-CDG Paris Charles de Gaulle
14h 14m1 stop London Heathrow
$637British Airways
Sat, Nov 14 - Sat, Nov 21
Lufthansa Logo
6:40 am - 3:35 pmCDG  Paris Charles de Gaulle-DEN Denver Intl
16h 55m1 stop Frankfurt am Main
Lufthansa Logo
11:15 am - 9:55 amDEN  Denver Intl-CDG Paris Charles de Gaulle
14h 40m1 stop Chicago O'Hare Intl
$637Lufthansa
Sat, Feb 20 - Wed, Mar 3
American Airlines Logo
7:25 am - 7:50 pmORY  Paris Orly-DEN Denver Intl
20h 25m2 stops Madrid Barajas Dallas/Fort Worth
American Airlines Logo
5:01 pm - 9:25 amDEN  Denver Intl-ORY Paris Orly
32h 24m2 stops London Heathrow Madrid Barajas
$689American Airlines
Sun, Feb 21 - Wed, Mar 3
American Airlines Logo
7:25 am - 7:50 pmORY  Paris Orly-DEN Denver Intl
20h 25m2 stops Madrid Barajas Dallas/Fort Worth
American Airlines Logo
5:01 pm - 9:25 amDEN  Denver Intl-ORY Paris Orly
32h 24m2 stops London Heathrow Madrid Barajas
$689American Airlines
Fri, Jan 15 - Tue, Feb 2
United Airlines Logo
11:15 am - 9:25 pmMAD  Madrid Barajas-DEN Denver Intl
18h 10m1 stop Newark
United Airlines Logo
11:30 am - 9:15 amDEN  Denver Intl-MAD Madrid Barajas
13h 45m1 stop Newark
$776United Airlines
Tue, Jan 12 - Thu, Jan 28
United Airlines Logo
11:15 am - 6:00 pmMAD  Madrid Barajas-DEN Denver Intl
14h 45m1 stop Newark
United Airlines Logo
9:35 am - 9:15 amDEN  Denver Intl-MAD Madrid Barajas
15h 40m1 stop Newark
$776United Airlines
Sat, Oct 10 - Sat, Oct 17
Air Canada Logo
7:00 am - 5:56 pmMUC  Munich Franz Josef Strauss-DEN Denver Intl
18h 56m2 stops Frankfurt am Main Toronto Pearson Intl
Air Canada Logo
11:35 am - 10:10 amDEN  Denver Intl-MUC Munich Franz Josef Strauss
14h 35m1 stop Toronto Pearson Intl
$798Air Canada
Sat, Oct 10 - Sat, Oct 17
Air Canada Logo
7:00 am - 5:56 pmMUC  Munich Franz Josef Strauss-DEN Denver Intl
18h 56m2 stops Frankfurt am Main Toronto Pearson Intl
Air Canada Logo
9:40 am - 10:10 amDEN  Denver Intl-MUC Munich Franz Josef Strauss
16h 30m2 stops Montreal Pierre Elliott Trudeau Intl Toronto Pearson Intl
$799Air Canada
Sun, Nov 15 - Sun, Nov 22
British Airways Logo
12:40 pm - 10:54 pmMUC  Munich Franz Josef Strauss-DEN Denver Intl
18h 14m2 stops London Heathrow Chicago O'Hare Intl
British Airways Logo
5:01 pm - 10:45 pmDEN  Denver Intl-MUC Munich Franz Josef Strauss
21h 44m1 stop London Heathrow
$802British Airways
Useful Info

Good to know

Low season

January

Cheapest flight

$361
Best time to beat the crowds with an average 5% drop in price.
Most popular time to fly with an average 17% increase in price.
Flight from Madrid to Denver

Flights from Europe to Denver: the best tips from KAYAK users

Insights shared by verified travelers who flew the route from Europe to Denver 
BrysonFlew with British Airways-Aug 2026
LFR is sprawling and requires time to get from one plane to another. It is well organized though and easy to navigate
Chin KeongFlew with Icelandair-Aug 2026
Avoid 3A. Bring your own device and charge them fully because the charging ports don’t work.
AidanFlew with Icelandair-Mar 2026
Passport control is a fair way past security check and can be busy don’t delay getting through passport control
DanFlew with United Airlines-Apr 2026
Get the extra leg room. Economy is packed like sardines.
YantiFlew with United Airlines-Nov 2024
Get yourself plenty of time to the next connection, at least 3-5 hours
Verified travelerFlew with Lufthansa-Nov 2024
Save up and go 1st class and please be aware you stand in line for Munich customs over 1 hour. The customs in Denver wasn’t that bad. There was a long line but they moved you through fairly quickly. I wouldn’t advise economy even after you upgrade your seat. It’s too cramped for such a long flight. I was miserable. It was a United A380 plane. I was bumped back to row 15.
PhilFlew with British Airways-Aug 2024
Sit in the front part of the plane if you want service.
MikeFlew with United Airlines-Jun 2024
Make sure you have sufficient time to navigate the badly signed Munich Airport.

FAQs for booking flights from Europe to Denver

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

    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 Europe to Denver.

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

    KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to Denver from Europe 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 Europe to Denver?

    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 Denver with an airline and back to Europe with another airline.

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

    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 Denver from Europe up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

Reviews of the top 5 airlines serving from Europe to Denver

 
Need help choosing which airline to fly with from Europe to Denver? 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
Turkish AirlinesOverall score based on 4476 reviews
7.5Food
7.3Comfort
7.5Entertainment
7.3Boarding
7.8Crew
Airline reviews

Bussing in a major flight is idiotic. Cabin was too warm. Food was bland and felt old

4.0 OkayHassan, Aug 2026
Read more Turkish Airlines reviews

Bussing in a major flight is idiotic. Cabin was too warm. Food was bland and felt old

Crew attendants attention to the travelers. Good food. I always fly with Turkish Airlines

Tv didn’t work and left the gate late but everything else was perfect.

Again poor use of old aircraft and old business class seats that show there age.

Service and food were very good, I liked it a lot. I liked the little gifts we all got , but I don’t think I’d fly on Turkish airlines to go to New York from Istanbul or from New York to Instanbul anymore. Flight is way too long.

We liked the comfort and seats. The crew was not very friendly nor did they check on us to see if we needed anything. Had to ask for water several times

The rules regarding business class lounge hotel/room access were very confusing. Between flights we had an 11 hour layover in Istanbul, but were denied a room to rest as our layover was too long?? Keep in mind that we arrived there at 3:30am after a long flight. Even multiple Turkish airlines employees were inconsistent with the rules. We ended up paying a high price at the Yotel in the airport in order to get some rest. Good thing I did, as a medical emergency was declared on the flight from Istanbul to Atlanta and I was apparently the only physician on board. Luckily I was able to stabilize the passenger and the flight wasn't diverted. The crew called an overhead announcement for a medical doctor, but insisted that I show them a copy of my medical license which I did. Very strange in my 35 years as a physician and responding multiple times to inflight medical emergencies over the years. I was very glad the passengers issue was resolved, but an acknowledgement of at least a thank you from the crew would have been appreciated.

The crew was awesome. My husband fell while traveling to the WC and got a head abrasion. The crew helped him greatly and a physician that was also on the flight checked him out as well. They all get an A+!

Same as before boarding process and lack of crew experience in the process

Excellent service. Made United 's business class look like a cattle car

It was serviceable, nothing special but nothing awful on this leg.

The back to back mechanical delays from Denver to San Diego and then on my return flight from Denver to Great Falls it added extra time both ways

The website check in was poor. Baggage fees were in US dollars but registered in Canadian dollars. The site would not accept my credit card. Scanning the passport was the worst. Someone from United needs to try the process. I’m not a novice with tech and I have to say this was a bad experience. Everything else was great.

Flight was late, the only reason I almost missed my flight was that my connection was also late.

Lufthansa seats were much more comfortable than United. While they had about the same video selection, Lufthansa didn't put advertisements in with the movies like United did. And the Lufthansa food was much better than United.

We flew business fares. Was amazing. However, the check in didn't offer business fares preboarding which is less hectic. 8/10 due to this. Staff compared to Canadian carriers go above and beyond. Would gladly fly United again.

The staff was incredible, very attentive, polite, made you feel like the center of the universe. They even all wrote me a happy birthday card. Truly just an amazing crew, cannot stress it enough.

Checking bag at terminal was horrible. No agents to check us in and only 1 kiosk working. Boarding went ok. Crew onboard was very scattered rained. Missed our row while serving and then didn’t see them hardly again.

The entertainment is a bit limited, it would be better if they added some games to play besides the movies and tv shows. But the seats are comfortable and the crew is polite

Food was great. Staff was phenomenal. Seats were a bit hard and could use a lot more entertainment options as far as movies to choose from. WiFi was good. Overall great trip.

It was amazing. I sat in First Class as a Saga Premium member, and my service was top notch. It was wonderful. I only recently joined Saga Club since I do travel to Scandinavia often and enjoy flying through Reykjavik on Iceland Air versus other ways of travelling to Europe. This was my first trip sitting in first class, which I honestly wasn’t expecting!

There were no places to sit at the gate. Most people had to sit on the floor or stand waiting for the gate to open and board. We were told we needed passport and the person hardly looked at them. Maybe for 2 seconds. No announcement made asking to board by row or group. On a 5.5 hour flight the crew only came through the cabin 2 times offering water and buy everything else. For the price of the ticket at least offer free soda! The airliner was very comfortable

Crew was wonderful. I knew going in that the seats were not lie-flat in business class, but they reclined less than I expected. To save on waste, you have to ask for which pieces of the amenity kit you are interested in, which they will gladly give to you. Flight was fairly short, so no issues. I did have one piece of luggage not show up at terminal on landing. They were great about looking for it. Found it...it actually did make the flight and was listed as "not picked up" (?????--we stayed over an hour looking for it, including in the odd-sized baggage claim.) Since "not picked up" they will not ship to my house and I have to go back to airport, which is in another town. I probably could have pressed this issue, but headed back to airport for another flight anyway, so will pick up then.

It didn't happen. Icelandair cancelled the flight from Nuuk, Greenland to Reykjavik, Iceland so I couldn't fly to Portland. Additionally Icelandair rebooked me on a flight that got cancelled too.

How can the airline deploy the oldest 757-200 with a broken down entertainment system and no WiFi for a cross Atlantic 7:50 hr torture chamber experience?? My seat 3A couldn’t be reclined. The footrest was flimsy and useless. And there’s no leg support unlike their newer 737-Max which they lavish on intra-Europe routes. Shame!!

Only drinks included in economy class was water and coffee seat on the 737 were hard as rock. The landing and passport control in Iceland are the worst I have ever seen. 2 hours to clear customs ???? 3 attendants at pass port control out of more than a dozen closed. I” ll never fly to Iceland or transfer through this airport again.

The ticket was reserved in my name but not paid for by underpricer. Alaska airlines was unable to issue my ticket (could not connect the ticket with the PNR) due to an error with underpricer and I spent the better part of 2 hours at the ticket counter trying to rectify.

We paid for saga class, which is the business class for international. My seat was broken and did not recline and my monitor for in-flight entertainment was broken.

Friendly flight crew. Airplane (757) configured as a domestic flight (no lie-flat seats) & no advanced meal selection.

The most uncomfortable seat i’ve ever had on a flight

Everything about the flight was excellent except for the fact that we had to wait one hour on the tar app and then I had to race to catch my connecting flight with the next stop

Way too crampled. Charge more and put in less seats.

This was the worst flight of my life. Economy seat directly behind a premium economy seat with extra recline meant I have about 6 inches between my face and their chair. My seat would not recline at all. I couldn't even use my laptop on the tray table because I had so little room. I was in a casket basically for 10 hours. Completely unacceptable.

I liked the flight, the attendants, and the comfort. But the gate for boarding was poor. Even the elderly had to climb down many many steps to the bus and climb up to the plane.

Service was excellent. Flight was only about half full, which meant we had tons of room to stretch out. Boarding area was nice and well organized, flight attendants were super friendly and attentive and we loved the 3 snacks!

Lufthansa is turning into a budget airline. On transfers, the luggage never arrives if you have less than 2 hours for the transfer. This is happened to me multiple times when I end up on flights serviced by Lufthansa. The first leg of the flight was serviced by Discover Airlines. It was a 3-hour flight and they only offer a glass of water. Everything else is for purchase. I purchased my ticket as economy which should have included a bag but it ended up booking as economy light so I had to pay for a bag in each direction.

The food that was served was superb!!! Awesome snacks!!! Frequent drink service!!! To me, this was shocking. I took a British Airways flight from Denver to London for the first leg of my trip and the food was horrendous. Thank you for keeping us fed and satiated on such a long flight!!!!

It was freezing. I asked crew member for a blanket and was told it might be in front of plane but I never got one. I turned off all the vents but still froze.

My flight was delayed d the gate was never updated inside the terminal. If I hadn’t checked my email I would have missed my flight. Also, I paid a total of $5100 for my flight to be. Business or first class. My final leg of my flight from Heathrow to Frankfurt was not to standard of what I expected or experienced in the previous legs of my trip.

I think it was a United A380 plane. The trip from Munich to Denver was about 12 hours and the preferred economy seat I paid $75 for was very cramped. The crew was nice but I was so uncomfortable and getting up to walk around didn’t really help. My legs were swollen for 4 days afterward. I would think on such a long trip the seats would have more room. I would have gone 1st class but it was 3-4 times more expensive. I won’t fly anywhere far away again. My last experience with Lufthansa was great to Italy and back, but this time I could swear everything was United and not good.

The travel on premium economy class was very positive. Comfortable with plenty of space and leg room. The service throughout was top notch. Crew members were kind and helpful. Food and entertainment were excellent.

Long line with check in at the DIA British Airway counter.

It was great overall. A few slight improvements could be made on the onboarding process at the Gates with announcements and clarity of communications (both at the gate and in flight). The movies in the entertainment options could be improved for bollywood, hollywood.

Everything excellent except for bag drop off. We started at the D area and that was so slow that it was eventually closed just as we were about to go to a station. We then went to F. We got one suitcase checked and then the screen showed that the station was no longer operable. There were long lines everywhere so we had to ask if we could butt in to the next station to finish. Again, this was the only incident, otherwise it was an excellent flying experience

There were no gluten-free vegan options available, so food was very limited on this flight, and some of the crew weren’t especially helpful about it. To make matters worse, a passenger was sick on board, and although the area was cleaned, the smell lingered for the rest of the journey. On top of that, we ended up circling for an extra hour, which only made the unpleasant situation drag on even longer.

We never made it onto this flight due to BA's lackluster organisation.

We arrived late to London, and consequently were 5 min. late to be allowed through security for our next flight. Even though dozens of people missed the same flight, BA did not radio ahead to hold open security for an extra 5-10 min. to allow people to get on the flight. This caused an additional 6 hour delay in London after waiting over an hour in Customer Service to get rebooked. They did not have enough staff on hand to help people in a timely manner. Not at all happy with the BA's customer care or customer service.

Boarding was fairly chaotic. One of your employees clipped my ankle as he was passing with an empty wheelchair and not only did not apologize but stated something to the effect of “oh forGod’s sake.” There was plenty of room for him to pass. otherwise, everything was excellent.

Seating is tight if you don’t upgrade. Food was decent. Boarding and unboarding was efficient. Smooth flight. Could make upgrades more affordable

The seat was very uncomfortable. It helped to use the foot rest. Could not sleep because of the seat.

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