FRA - DEN

$480 Find Cheap Flights from Frankfurt am Main to Denver

This is the cheapest one-way flight price found by a KAYAK user in the last 72 hours by searching for a flight from Frankfurt am Main to Denver departing on 1/30. 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 Denver

 
These are the airlines KAYAK users have selected most often from within our search results in flight searches from Frankfurt am Main to Denver, as well as popular online travel agencies
These are the airlines KAYAK users have selected most often from within our search results in flight searches from Frankfurt am Main to Denver, as well as popular online travel agencies
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Everything you should know

Cheapest round-trip
$711
Overall average: $832
Icelandair
mar. 1/27vie. 2/27
FRA - DEN • 1 stop
Cheapest non-stop
$726
Typical prices: $705-$960
Lufthansa
lun. 1/12dom. 1/25
FRA - DEN • Non-stop
Our travelers' advice
AI-powered summary based on content written by travel experts. AI can make mistakes.
Lufthansa offers three-course meals in Economy.
Expect long queues at Frankfurt check-in and security.
Expert advice
Expert advice
Expert advice
Expert advice
When to book
5 weeks
in advance
Our data shows that travelers who book at least 5 weeks in advance save around 29% compared to booking last minute.
Insights
Insights
Insights
Insights
When to travel
March
Cheapest • 10% price drop
August
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 Denver!
Flight Deals
Booking Insights
Expert advice
Flight Deals

Cheap Flights from Frankfurt am Main to Denver (FRA-DEN)

 
Here are some of the best deals found on KAYAK recently from the most popular airlines for round-trip flights from Frankfurt am Main to Denver 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 Frankfurt am Main to Denver

mar., ene. 27 - vie., feb. 27
Icelandair Logo
1:05 pm - 6:05 pm
FRA
-
DEN
13h 00m1 stop
Icelandair Logo
3:40 pm - 12:05 pm
DEN
-
FRA
12h 25m1 stop
$711Icelandair
dom., feb. 1 - jue., feb. 26
Icelandair Logo
1:05 pm - 6:05 pm
FRA
-
DEN
13h 00m1 stop
Icelandair Logo
3:40 pm - 12:05 pm
DEN
-
FRA
12h 25m1 stop
$712Icelandair
sáb., may. 23 - sáb., jun. 6
Icelandair Logo
7:25 am - 12:25 pm
FRA
-
DEN
13h 00m1 stop
Icelandair Logo
8:10 pm - 6:25 am
DEN
-
FRA
26h 15m1 stop
$715Icelandair
jue., ene. 22 - mié., feb. 4
Air Canada Logo
9:50 am - 7:55 pm
FRA
-
DEN
18h 05m2 stops
Air Canada Logo
11:15 am - 7:25 am
DEN
-
FRA
12h 10m1 stop
$716Air Canada
jue., abr. 9 - mar., sep. 22
Icelandair Logo
2:00 pm - 7:00 pm
FRA
-
DEN
13h 00m1 stop
Icelandair Logo
4:40 pm - 1:00 pm
DEN
-
FRA
12h 20m1 stop
$717Icelandair
jue., ene. 22 - mié., feb. 4
Air Canada Logo
9:50 am - 7:55 pm
FRA
-
DEN
18h 05m2 stops
Air Canada Logo
11:15 am - 7:25 am
DEN
-
FRA
12h 10m1 stop
$719Air Canada
mar., may. 19 - mar., jun. 2
Icelandair Logo
2:00 pm - 7:00 pm
FRA
-
DEN
13h 00m1 stop
Icelandair Logo
4:40 pm - 1:00 pm
DEN
-
FRA
12h 20m1 stop
$721Icelandair
lun., ene. 12 - dom., ene. 25
Multiple Airlines Logo
11:10 am - 1:40 pm
FRA
-
DEN
10h 30mnonstop
Multiple Airlines Logo
9:59 am - 9:10 am
DEN
-
FRA
15h 11m1 stop
$722Multiple Airlines
jue., ene. 22 - mié., feb. 4
Air Canada Logo
9:45 am - 7:55 pm
FRA
-
DEN
18h 10m1 stop
Air Canada Logo
11:15 am - 7:25 am
DEN
-
FRA
12h 10m1 stop
$724Air Canada
jue., may. 14 - mar., jun. 2
Icelandair Logo
2:00 pm - 7:00 pm
FRA
-
DEN
13h 00m1 stop
Icelandair Logo
4:40 pm - 1:00 pm
DEN
-
FRA
12h 20m1 stop
$725Icelandair
Booking Insights

KAYAK's insights & trends for Frankfurt am Main to Denver flights

Get data-powered insights and trends into flights from Frankfurt am Main to Denver 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 Frankfurt am Main to Denver?

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

When flying from Frankfurt am Main to Denver, you should consider leaving on a Tuesday and avoid Saturdays if you are looking for the best rates. For your return to Frankfurt am Main, you’ll find the best rates on Tuesdays and the most expensive ones on Saturdays.

What is the cheapest month to fly from Frankfurt am Main Airport to Denver?

To calculate monthly average prices, KAYAK takes all prices for each month over the last year for round-trip flights from Frankfurt am Main Airport to Denver, 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 Frankfurt am Main Airport to Denver is March, where tickets cost $731 (return) on average. On the other hand, the most expensive months are July and December, where the average cost of round-trip tickets is $1,026 and $890 respectively.

Can I save money by flying with a layover from Frankfurt am Main Airport to Denver?

The average round-trip price for all non-stop flights, flights with one layover, and flights with two layovers for the route found by users searching on KAYAK in the last 2 weeks.

No, with an average price for the route of $1,124, prices are generally cheapest when you fly direct.

How far in advance should I book a flight from Frankfurt am Main Airport to Denver?

To calculate weekly average prices, KAYAK takes all prices for each week before departure over the last year for round-trip flights from Frankfurt am Main Airport to Denver, 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 Frankfurt am Main Airport to Denver, you should book around 5 weeks before departure, which saves you about 29% compared to booking last minute. For the absolute cheapest price, our data suggests you should book 15 weeks before departure.

Expert advice

Expert advice for your flight from Frankfurt am Main to Denver

 
AI-powered summary based on content written by travel experts. AI can make mistakes.
KAYAK teamed up with top travel experts to share the best tips for your journey.
Airlines
Lufthansa

Enjoy three-course meals and complimentary drinks in Economy on long-haul flights.


Lufthansa's FlyNet Premium offers internet for social media and streaming on long-haul flights.

United Airlines

United Polaris offers lie-flat seats with aisle access on long-haul flights.


United's Premium Plus provides extra recline and legroom on long-haul flights.

Airports
FRA

Prepare for long queues at check-in and security. Arrive early and consider online check-in to save time.

DEN

Use the RTD A line train for a cost-effective 40-minute ride to downtown Denver from DEN.

Our travel experts
Jessica Macdonald

Jessica Macdonald

Expert on Lufthansa

Jessica Macdonald

Jessica Macdonald

Currently based in Scotland after living in South Africa and the United States, Jessica has been writing travel and aviation content for more than 10 years. She regularly contributes to Travel + Leisure and TripSavvy, and has had work published by Condé Nast Traveller and The Independent. She has traveled to more than 50 countries across six continents.

Read more
Stefanie Waldek

Stefanie Waldek

Expert on United Airlines

Stefanie Waldek

Stefanie Waldek

Stefanie Waldek is a freelance space, travel, and design writer based in Saratoga Springs, NY. Her words have appeared in Space.com, Travel + Leisure, Condé Nast Traveler, Architectural Digest, and House Beautiful, among other publications. An expert in aviation and expedition cruising, Stefanie is frequently up in the air or on the sea, likely en route to Antarctica or the Arctic.

Read more
Duncan Madden

Duncan Madden

Expert on FRA

Duncan Madden

Duncan Madden

Duncan is a freelance travel writer, copywriter and book author in constant search of travel stories and the perpetual sensation of being on holiday. He’s never happier than when on a dusty trail in search of empty waves or ducking under the piste tape in search of snowbound solitude. British born, living in Germany, but happiest heading for the horizon. His first book, Found in Translation, explores the etymologies and stories of country names around the world and is out now.

Read more
Harriet Baskas

Harriet Baskas

Expert on DEN

Harriet Baskas

Harriet Baskas

Harriet is an award-winning journalist who is happiest in an airport or an unusual museum. Her stories about airports, air travel, and the business of travel have appeared on NBC News, CNBC, USA TODAY, The Points Guy and other outlets. She is the creator of the StuckatTheAirport.com blog and the author of nine books. When not out on the road or exploring the latest airport amenities, she’s home in Seattle getting ready for the next adventure.

Read more

Good to know

Low seasonJanuary
Cheapest flight$480
Best time to beat the crowds but there is an average 1% increase in price.
Most popular time to fly with an average 1% increase in price.
Flight from Frankfurt am Main to Denver

When to book flights from Frankfurt am Main to Denver

Are your dates flexible? Find out the best times to travel from Frankfurt am Main to Denver 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 Frankfurt am Main to Denver flights

  • What is the cheapest flight from Frankfurt am Main Airport to Denver?

    In the last 3 days, the lowest price for a flight from Frankfurt am Main Airport to Denver was $480 for a one-way ticket and $711 for a round-trip.

  • Do I need a passport to fly between Frankfurt am Main and Denver?

    Yes, you’ll need a passport to travel to Denver from Frankfurt am Main.

  • Which airports will I be using when flying from Frankfurt am Main to Denver?

    On your way to Denver, you’ll fly out from Frankfurt am Main. You’ll be landing at Denver Intl.

  • Which airlines offer Wi-Fi service onboard planes from Frankfurt am Main to Denver?

    Lufthansa, United Airlines, Air Canada, Delta, and American Airlines offer inflight Wi-Fi service on the Frankfurt am Main to Denver flight route.

  • Which aircraft models fly most regularly from Frankfurt am Main to Denver?

    The Boeing 787-9 Dreamliner is the aircraft model that flies most regularly on the Frankfurt am Main to Denver flight route.

  • Which airline alliances offer flights from Frankfurt am Main to Denver?

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

  • On which days can I fly direct from Frankfurt am Main to Denver?

    There are nonstop flights from Frankfurt am Main to Denver on a daily basis.

  • Which is the best airline for flights from Frankfurt am Main to Denver, United Airlines or Icelandair?

    The two airlines most popular with KAYAK users for flights from Frankfurt am Main to Denver are United Airlines and Icelandair. With an average price for the route of $861 and an overall rating of 7.4, United Airlines is the most popular choice. Icelandair is also a great choice for the route, with an average price of $626 and an overall rating of 7.0.

  • How does KAYAK find such low prices on flights from Frankfurt am Main 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 Frankfurt am Main to Denver.

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

    KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to Denver from Frankfurt am Main 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 Frankfurt am Main 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 Frankfurt am Main with another airline. Booking your flights between Frankfurt am Main and DEN 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 Frankfurt am Main 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 Frankfurt am Main 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 Frankfurt am Main Airport to Denver

  • Looking for a cheap flight? 25% of our users found flights on this route for $779 or less one-way and $864 or less round-trip.

Prefer to fly direct from Frankfurt am Main to Denver?

 
Direct data is based off flight results for the next 60 days. Find direct flights from all airlines flying direct from Frankfurt am Main to Denver Intl.
Find which airlines fly direct from Frankfurt am Main Airport to Denver Intl Airport, which days they fly and book direct flights.

Direct departures

Frankfurt am Main to Denver Intl

Monday

Lufthansa, United Airlines

Lufthansa, United Airlines

Tuesday

Lufthansa, United Airlines

Lufthansa, United Airlines

Wednesday

Lufthansa, United Airlines

Lufthansa, United Airlines

Thursday

Lufthansa, United Airlines

Lufthansa, United Airlines

Friday

United Airlines

United Airlines

Saturday

Lufthansa, United Airlines

Lufthansa, United Airlines

Sunday

Lufthansa, United Airlines

Lufthansa, United Airlines

See more direct flights

Direct returns

Denver Intl to Frankfurt am Main

Monday

Lufthansa, United Airlines

Lufthansa, United Airlines

Tuesday

Lufthansa, United Airlines

Lufthansa, United Airlines

Wednesday

Lufthansa, United Airlines

Lufthansa, United Airlines

Thursday

Lufthansa, United Airlines

Lufthansa, United Airlines

Friday

United Airlines

United Airlines

Saturday

Lufthansa, United Airlines

Lufthansa, United Airlines

Sunday

Lufthansa, United Airlines

Lufthansa, United Airlines

See more direct flights

Reviews of the top 4 airlines serving from Frankfurt am Main to Denver

 
See real verified KAYAK customer reviews for airlines flying from Frankfurt am Main to Denver. 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 Frankfurt am Main 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
United AirlinesOverall score based on 9093 reviews
6.6Food
7.1Entertainment
7.3Comfort
7.7Boarding
8.1Crew
Airline reviews

United have really come back. Airport and boarding process is clear and good, app and information also very good

10.0 ExcellentSteve, Dec 2025
EUG - DEN
Read more United Airlines reviews

United have really come back. Airport and boarding process is clear and good, app and information also very good

We Left Calgary 1/2 hour late and that made for a tight connection in Denver. After arriving everything was done to help us make our connection. That was a great effort. Thank You United

The entertainment available didn’t work for anyone on the flight. Long 6 hr flight with no entertainment option and the staff didn’t know until an hour into the flight when we made sure they knew about it. They had no way to fix it.

Late FA meant slow boarding. WiFi did not work. I’m a medium plus sized passenger. The seatbelt was for the first time ever barely fitting. And we delayed on the tarmac 40 min

My husband and I had boarded the flight from Denver to Chicago, and one of the last passengers to get on the plane opened the overhead bin above my husband's seat and threw his bag out of the bin to make space for his own. He said, "Mine is bigger!" The flight attendant supported the new passenger. They didn't care that my husband has two artificial knees and must have the foot room in front of his seat to be able to fit his legs in -- and to be able to stand, much less walk, at the end of the flight. I have never seen this happen before, and it was a disaster.

I understand stuff happens, but plane failures are likely due to lack of maintenance. Additionally, air conditioning wasn't working, no snack/drink service, no WiFi. Fortunately, the crew was communicative and light-hearted. United grabbed another plane and we were able to get to our destination.

Had to cancel first flight because Airporter Bus took over 3 hrs to get to airport which resulted in an extra $378 dollar fare . Is there anyway I can be reimbursed for initial fare since it was not my fault? Sent from my iPhone EJ Ledet

Excellent flight. Boarding was efficient and departure was on time. Smooth flight with on time arrival. Deplaning was also efficient.

Our flight was understandably diverted to a small regional airport in Laramie, Wyoming due to weather conditions, which I fully recognize and appreciate. However, the low rating stems from the experience that followed: passengers remained on board for over an hour without the option to deplane and stretch, despite the aircraft being stationary. Although the pilot opened the cabin door, only he was permitted to exit. Meanwhile, passengers grew increasingly uncomfortable as warm summer air entered the cabin through the open door, and being in the second row meant we were impacted immediately. While the flight attendants made efforts to keep everyone at ease, I believe allowing passengers to deplane briefly, given the extended delay, would have significantly improved the overall experience.

I never flew. Flight was canceled. DIA worst airport in the country. Avoid at all costs.

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.

The boarding process seem to take longer than necessary, resulting in a 20+ minute delay

Service was excellent. Food and drinks were very good except for a greasy lump of a donut at the end of the flight that left us both feeling internally disgusted.

No meals included on this long international flight. Most airlines will offer you a meal when flying internationally. Not Icelandair. Your included choices are water and coffee. Poor customer service. The airport was also very confusing.

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.

Booked seats (paid extra) online and found they didn’t exist on the flight. We were then separated from the rest of our party. Given seats in the very back of the plane. We will not fly Discover or Lufthansa again. We will not book flights or travel through Kayak again!

Had a few open seats and could use it for a great rest ful journey

Airline food is airline food, but the plane was wonderful and the seating comfort outstanding. One of my best flights in quite a while.

Smooth flight with enough time for connection. Ran out of meal options. In-flight and gate staff were friendly and helpful. Good service overall.

The seat space seemed small especially when the person ahead reclined but other than that, very good.

Everything went well. I will fly with Lufthansa again. And use Kayak whenever I book flights

Bought a seat in a flight that got changed out so ended up paying for a seat I would have had if I hadn't paid.

Food was poor quality and the screens for entertainment didn’t work properly

United lost my travel information and canceled my original flight. I had a seat assignment but was refused the booking. I had to prove that I went to Germany on United Very concerned about security that no one recorded my passport from Cleveland to NY and NY to Frankfurt I arrived at home at 12:30am on Saturday instead of 8pm I expect a full refund from United Please provide information to assure compensation

I paid for extra legroom which made the long flight very comfortable. Food was very tasty, they fed us 2 meals plus a cookie snack and extra liquids. Checked luggage is expensive.

Besides having a LONG layover in Philadelphia to begin with, our flight was delayed and left late. We spent 7 hours in the Philadelphia airport after being in the air 7 hours from Portugal to Philly. It turned into a 24 hour day of travel which was exhausting. I know you can't help weather but our layover was difficult as my husband is handicapped. The staff was EXTREMELY helpful with his wheelchair tho!!

I was in a bulkhead seat and my tray table wasn't level. Eating was difficult.

I love FRA - LCY route. So much better compared to the FRA - LHR route and the price differential is ZERO

Audi visual not working for a whole group of seats in first class. How does a plane leave the main hub in such poor condition? How much that we can’t see so immediately is also compromised?

main meals are horrible but then you dont fly for the food

It was good. Couldn’t Check in online and select seats

It was great. Enough space and room for legs . Great service to.

⭐ British Airways Review — A Journey of Highs, Lows, and Lessons ⭐ I recently flew Business Class round-trip from Boston to Mumbai with British Airways, and my experience was a tale of two extremes — from disappointment to exceptional service, and then back to inconsistency. Boston → London: A Surprisingly Poor Start My journey began on a disappointing note. On a 6-hour Business Class flight, I was surprised to discover that there wasn’t a single proper vegetarian meal option available. I was offered a few bakery items only after repeatedly requesting something to eat. The flight attendant shrugged, offered no solution, and eventually — quite literally — threw some bread at me after much delay. This was not only disheartening, it was extremely surprising given my wonderful Business Class experience with BA last year. I stepped off that flight genuinely hungry and had to make a mad dash to the lounge just to get a proper meal. London → Mumbai: A Complete Turnaround The next sector restored my faith in British Airways. The entire crew was warm, welcoming, attentive, and genuinely caring. A special shoutout to Phiroze and the entire team serving the Business Class cabin — their professionalism, hospitality, and thoughtful service were extraordinary. They truly embodied what makes British Airways a global leader, and I am deeply grateful for the experience they provided. This is the BA I know and love. Mumbai → London: A Strange Meal Schedule This sector was generally fine, but the meal timing was puzzling. Lunch at 10:30 AM — for a Business cabin — felt unusual, and most passengers, including myself, barely touched it. The rest of the service was smooth, but the scheduling definitely needs a rethink. London → Boston: Mixed Experience Again The flight itself was decent, but the Business Lounge at Heathrow for this leg was a letdown. Arrived during lunch hours: no hot vegetarian options available Lounge area: dirty dishes everywhere Even after politely alerting the staff, the dishes were ignored and left uncleared For a premium cabin passenger — and at one of the world’s busiest international hubs — this was disappointing. Overall Impression My journey with British Airways felt inconsistent — two great sectors sandwiched between two that fell short of the BA standard. When BA is good, it is world-class. When it misses, the gap is noticeable. I genuinely hope the airline takes this feedback as constructive insight. I continue to believe in British Airways, and I commend the outstanding crew on the London → Mumbai sector — they were the highlight of my entire trip. With a little more focus on vegetarian meal availability, lounge service, and consistency across crews, BA can ensure every Business Class passenger experiences the premium journey they promise.

We were in business class and I had seat # 1. This was a night flight and after dinner was served, lights were dimmed and I went to sleep. The crew were loud and noisy so I didn’t get much sleep. I expect the crew to enjoy themselves but would Appreciate some decency in staying quiet while the passengers sleep

Have travelled business class with other airlines who profess to be the best in the world. They can however not beat the service and comfort that BA provide.

Everything you need to know for your flight from Frankfurt am Main to Denver

Information on your arrival and departure airports