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$300+ Cheap flights from Denver (DEN) to Frankfurt (FRA)

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 10/17. Fares are subject to change and may not be available on all flights or dates of travel.
DEN — FRA
Aug 23 — Aug 301
Sat 8/23
Sat 8/30
1 adult, Economy
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Cheapflights Tip: The best prices from Denver Intl to Frankfurt am Main are usually found in October or April, booked 89 days in advance, depart on a Tuesday or Wednesday and return on a Tuesday

Cheap flight deals from Denver to Frankfurt

Discover tips and strategies to find the most affordable flight options for your journey from Denver (DEN) to Frankfurt (FRA). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated August 18, 2025.

Round-trip from

$700
(FlightHub)

One-way from

$300
(Kiwi.com)

Popular in

June

Cheapest in

October

Average price

$858

Good round-trip deal

$728 or less

Good one-way deal

$503 or less
From Denver Intl to Frankfurt am Main
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One-way flight from Denver Intl to Frankfurt am Main
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Highest demand for flights based on searches. 15% potential increase in price ($185 potential increase over avg. RT price).
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Cheapest flight prices on average. 3% potential price decrease ($31 potential savings vs. average RT price).
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Average for round-trip flights in August 2025
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Price to beat on a round-trip flight from Denver Intl to Frankfurt am Main.
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Price to beat on a one-way flight from Denver Intl to Frankfurt am Main.
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Find flight deals from Denver to Frankfurt

Cheapest flights from Denver to Frankfurt
Explore the most affordable flight options available from Denver to Frankfurt. Find the lowest fares from popular airlines and budget airlines, with prices last updated on August 18, 2025.

This FlightHub deal was found by Cheapflights users on 8/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/712:43 pmDEN - FRA
2 stops41h 57mScandinavian Airlines
Wed 10/153:20 pmFRA - DEN
2 stops40h 30mScandinavian Airlines
Deal found 8/16$700
This Ovago deal was found by Cheapflights users on 8/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Ovago is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/2810:42 amDEN - FRA
1 stop13h 33mBritish Airways
Tue 11/1110:15 amFRA - DEN
1 stop15h 30mBritish Airways
Deal found 8/18$701
This Expedia deal was found by Cheapflights users on 8/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/88:10 amDEN - FRA
1 stop20h 00mMultiple Airlines
Wed 10/221:45 pmFRA - DEN
1 stop16h 01mMultiple Airlines
Deal found 8/16$702
This FlightHub deal was found by Cheapflights users on 8/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/74:40 pmDEN - FRA
1 stop12h 20mIcelandair
Thu 10/162:00 pmFRA - DEN
1 stop12h 55mIcelandair
Deal found 8/16$703
This Expedia deal was found by Cheapflights users on 8/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/108:00 amDEN - FRA
1 stop20h 10mMultiple Airlines
Wed 9/241:45 pmFRA - DEN
1 stop14h 42mMultiple Airlines
Deal found 8/16$704
This FlightHub deal was found by Cheapflights users on 8/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/74:40 pmDEN - FRA
1 stop12h 20mIcelandair
Fri 10/245:10 pmFRA - DEN
1 stop33h 45mIcelandair
Deal found 8/16$705
This oojo deal was found by Cheapflights users on 8/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/254:40 pmDEN - FRA
1 stop12h 20mIcelandair
Wed 11/261:05 pmFRA - DEN
1 stop13h 00mIcelandair
Deal found 8/17$706
This Mytrip deal was found by Cheapflights users on 8/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/133:40 pmDEN - FRA
2 stops18h 20mMultiple Airlines
Thu 11/209:10 amFRA - DEN
2 stops16h 55mMultiple Airlines
Deal found 8/17$707
This Expedia deal was found by Cheapflights users on 8/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/24:40 pmDEN - FRA
1 stop12h 20mIcelandair
Wed 9/105:10 pmFRA - DEN
1 stop33h 45mIcelandair
Deal found 8/17$708
This Finnair deal was found by Cheapflights users on 8/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Finnair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/289:17 amDEN - FRA
1 stop14h 58mMultiple Airlines
Tue 11/117:20 pmFRA - DEN
2 stops30h 25mMultiple Airlines
Deal found 8/18$709
This American Airlines deal was found by Cheapflights users on 8/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/2810:42 amDEN - FRA
2 stops15h 08mAmerican Airlines
Tue 11/1110:50 amFRA - DEN
2 stops19h 29mAmerican Airlines
Deal found 8/17$711
This Turkish Airlines deal was found by Cheapflights users on 8/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Turkish Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/237:50 pmDEN - FRA
1 stop30h 10mTurkish Airlines
Mon 8/253:05 pmFRA - DEN
1 stop34h 50mTurkish Airlines
Deal found 8/16$712

Cheapflights Fare Finder

 
Customize your flight search to find flights from Denver to Frankfurt that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated August 18, 2025.
Use the filters below to find and compare flights from Denver to Frankfurt am Main Airport that are best for you.

Fly from

Denver

Fly to

Frankfurt

Route

Depart

Return

Price

DenverFrankfurt am Main

DEN - FRA

DENFRA

Denver Intl

Tue 10/7

12:43 pm-2:40 pm

2 stops41h 57m

Frankfurt am Main

Tue 10/14

8:30 pm-11:50 pm

2 stops35h 20m

$700

DenverFrankfurt am Main

DEN - FRA

DENFRA

Denver Intl

Wed 10/8

8:10 am-12:10 pm

1 stop20h 00m

Frankfurt am Main

Wed 10/22

1:45 pm-9:46 pm

1 stop16h 01m

$702

DenverFrankfurt am Main

DEN - FRA

DENFRA

Denver Intl

Tue 1/13

7:13 am-8:50 am

1 stop17h 37m

Frankfurt am Main

Tue 1/27

10:15 am-7:48 pm

1 stop17h 33m

$706

DenverFrankfurt am Main

DEN - FRA

DENFRA

Denver Intl

Thu 9/25

4:40 pm-1:00 pm

1 stop12h 20m

Frankfurt am Main

Wed 11/26

1:05 pm-6:05 pm

1 stop13h 00m

$706

DenverFrankfurt am Main

DEN - FRA

DENFRA

Denver Intl

Tue 1/13

7:13 am-8:50 am

1 stop17h 37m

Frankfurt am Main

Tue 1/27

10:15 am-7:48 pm

1 stop17h 33m

$706

DenverFrankfurt am Main

DEN - FRA

DENFRA

Denver Intl

Fri 10/17

4:40 pm-1:00 pm

1 stop12h 20m

Frankfurt am Main

Sun 10/26

4:10 pm-7:05 pm

1 stop33h 55m

$709

DenverFrankfurt am Main

DEN - FRA

DENFRA

Denver Intl

Tue 11/4

6:00 am-7:15 am

1 stop17h 15m

Frankfurt am Main

Mon 11/17

7:20 pm-5:45 pm

2 stops30h 25m

$709

DenverFrankfurt am Main

DEN - FRA

DENFRA

Denver Intl

Tue 10/28

10:42 am-7:15 am

1 stop13h 33m

Frankfurt am Main

Tue 11/11

7:20 pm-5:45 pm

2 stops30h 25m

$709

DenverFrankfurt am Main

DEN - FRA

DENFRA

Denver Intl

Wed 1/14

8:43 am-8:50 am

1 stop16h 07m

Frankfurt am Main

Wed 1/28

7:20 pm-5:41 pm

2 stops30h 21m

$709

DenverFrankfurt am Main

DEN - FRA

DENFRA

Denver Intl

Fri 10/17

6:00 am-8:20 am

3 stops42h 20m

$300

Flights are sorted by cheapest round-trip flights first.

Deals found on 8/18

Showing 1-10 of 17 results
1
2

The best insider tips for Denver to Frankfurt am Main Airport flights

Snippets provided in this section are AI-generated based on a summarization of Cheapflights-commissioned articles. The articles are presented as-is, for general informational purposes only, and may not be up-to-date. The opinions contained in the articles are original to the author and reflect their authentic experience, which may vary significantly from the experience of others.
Cheapflights partnered with top experts to bring you the best recommendations for your Denver to Frankfurt am Main Airport trip
Airports
DEN

Use the A Line train for a 37-minute ride to downtown Denver, avoiding expensive taxis and rideshares.

Read more about DENby Emily Zemler
FRA

Take the S8 or S9 trains from Terminal 1 to Frankfurt city center in about 15 minutes.

Read more about FRAby Blane Bachelor
Our travel experts
Blane Bachelor

Blane Bachelor

Expert on FRA

Blane Bachelor

Blane Bachelor

Blane Bachelor is a journalist and editor specializing in travel and aviation who writes regularly for top global outlets. Born and raised in Florida, Blane has worked and lived in four countries, including the Netherlands, where she’s currently based with her family. Her favorite way to get to know a new destination is by running or riding a bike around town – or hearing a spooky ghost story about local history. She will always choose the window seat.

Read more
Emily Zemler

Emily Zemler

Expert on DEN

Emily Zemler

Emily Zemler

Emily is a freelance writer and book author based in London covering entertainment and travel. Her work has appeared in Los Angeles Times, Observer, and Conde Nast Traveler She has ventured to more than 40 countries and all seven continents, always in search of a great art museum. She has written extensively about hotels, luxury travel, and aviation.

Read more

Best time to book a flight from Denver to Frankfurt

Have a flexible travel schedule? Discover the best time to fly to Frankfurt from Denver with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

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

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

Use this chart to determine the optimal time to book a round-trip flight from Denver to Frankfurt. Price data was last updated on August 8, 2025.

The best time to book flights from Denver to Frankfurt am Main Airport is 89 days before your desired departure date. The cost of your flight will likely increase significantly if you book two weeks in advance of your flight.

What is the cheapest month to book a flight from Denver to Frankfurt am Main Airport?

Currently, January is the cheapest month in which you can book a flight from Denver to Frankfurt am Main Airport (average of $729). Flying from Denver to Frankfurt am Main Airport in June is currently the most expensive (average of $1,091). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

What is the cheapest time of day to fly from DEN to FRA?

Find hourly flight availability from Denver to Frankfurt. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated August 18, 2025.

A simple way to save on the total cost of your ticket is to fly from Denver to Frankfurt am Main Airport in the morning. If you’re flexible enough to do this you can expect to save up to 45% on your trip compared to booking a flight at noon.

Weekly flight availability from Denver to Frankfurt am Main Airport

Explore weekly flight availability from Denver to Frankfurt. Discover flights operating on different days of the week, giving you the flexibility to choose a travel day that best fits your plans. Compare info to find the most convenient option for your journey. Data last updated August 18, 2025.

The most flights from DEN to FRA are scheduled on a Monday (5 on average). You will have fewer flight options on Monday, which is when the least amount of flights are scheduled (5 on average).

What’s the top layover airport for flights from Denver to Frankfurt am Main Airport?

Share of 1-stop round-trip flights from Denver to Frankfurt am Main Airport chosen by Cheapflights users in the past 12 months, using the same layover each way.

Dublin (DUB) – chosen by Cheapflights users on 50% of 1-stop itineraries from Denver to Frankfurt am Main Airport on Cheapflights.

What’s the cheapest layover airport for flights from Denver to Frankfurt am Main Airport?

Average round-trip fare for 1-stop flights from Denver to Frankfurt am Main Airport, chosen by Cheapflights users in the past 12 months, with the same layover each way.

Reykjavik (KEF) is the most affordable 1-stop option, with an average round-trip price of $658.

What’s the fastest layover option from Denver to Frankfurt am Main Airport?

Shortest average travel time for 1-stop one-way flights from Denver to Frankfurt am Main Airport, based on itineraries clicked by Cheapflights users over the past 12 months, grouped by layover airport.

Flights via Reykjavik (KEF) have the shortest average one-way travel time for 1-stop routes: 12h 23m.

Which airport typically offers the quickest layover for flights from Denver to Frankfurt am Main Airport?

Average layover duration for 1-stop one-way flights from Denver to Frankfurt am Main Airport, chosen by Cheapflights users in the last 12 months, grouped by stopover airport.

Flights via Reykjavik (KEF) offer the fastest connection on this route, with an average layover time of 1h 11m.

Reviews of airlines servicing Frankfurt

Get insights into the airlines that provide service to Frankfurt. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Frankfurt. Reviews last updated August 18, 2025.
See what other customers who have flown with United Airlines, Turkish Airlines, and Icelandair from Denver to Frankfurt am Main Airport have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
United Airlines
7.4
Good
8,925 reviews

Crew

8.1

Entertainment

7.1

Comfort

7.3

Food

6.6

Overall

7.4

Boarding

7.7

Reviews

1 / 20
4.0
Okay

Thomas,Mar 2025

SFO - TPE

When I asked for an extra snack, I got an unhappy look from the stewardess. Geez, does one extra snack really affect the bottom line??
United Airlines
7.4
Good
8,925 reviews
United Airlines
7.4
Good
8,925 reviews

Crew

8.1

Entertainment

7.1

Comfort

7.3

Food

6.6

Overall

7.4

Boarding

7.7

Reviews

1 / 20
4.0
Okay

Thomas,Mar 2025

SFO - TPE

When I asked for an extra snack, I got an unhappy look from the stewardess. Geez, does one extra snack really affect the bottom line??
Turkish Airlines
7.3
Good
3,945 reviews
United Airlines
7.4
Good
8,925 reviews

Crew

8.1

Entertainment

7.1

Comfort

7.3

Food

6.6

Overall

7.4

Boarding

7.7

Reviews

1 / 20
4.0
Okay

Thomas,Mar 2025

SFO - TPE

When I asked for an extra snack, I got an unhappy look from the stewardess. Geez, does one extra snack really affect the bottom line??
Icelandair
7.0
Good
527 reviews
United Airlines
7.4
Good
8,925 reviews

Crew

8.1

Entertainment

7.1

Comfort

7.3

Food

6.6

Overall

7.4

Boarding

7.7

Reviews

1 / 20
4.0
Okay

Thomas,Mar 2025

SFO - TPE

When I asked for an extra snack, I got an unhappy look from the stewardess. Geez, does one extra snack really affect the bottom line??
Lufthansa
6.8
Okay
7,330 reviews
United Airlines
7.4
Good
8,925 reviews

Crew

8.1

Entertainment

7.1

Comfort

7.3

Food

6.6

Overall

7.4

Boarding

7.7

Reviews

1 / 20
4.0
Okay

Thomas,Mar 2025

SFO - TPE

When I asked for an extra snack, I got an unhappy look from the stewardess. Geez, does one extra snack really affect the bottom line??
British Airways
6.7
Okay
7,277 reviews
United Airlines
7.4
Good
8,925 reviews

Crew

8.1

Entertainment

7.1

Comfort

7.3

Food

6.6

Overall

7.4

Boarding

7.7

Reviews

1 / 20
4.0
Okay

Thomas,Mar 2025

SFO - TPE

When I asked for an extra snack, I got an unhappy look from the stewardess. Geez, does one extra snack really affect the bottom line??

Related info for your journey

Find useful and relevant information for your journey from Denver to Frankfurt. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly from for flights from Denver to Frankfurt am Main?

    For a flight from Denver to Frankfurt am Main, you will be flying from Denver Intl. Denver Intl (DEN) is just 18.5 mi from the center of the city. Denver Intl is the only Denver airport and it handles 5 outbound flights to Frankfurt am Main per day. 9 airlines have flights to Frankfurt am Main from Denver Intl on a regular basis.

  • How long is the flight from Denver to Frankfurt am Main Airport?

    A quick flight from Denver to Frankfurt am Main Airport can take about 12h 20m. Scandinavian Airlines provides one of the quickest options available for as low as $706. Airlines will cover a distance of 5022 mi. Both multi-stop and nonstop flights can be found to your destination and back.

  • What are the cheapest airlines flying from Denver to Frankfurt am Main Airport round-trip?

    Flying on Icelandair is currently your cheapest option to Frankfurt am Main Airport, with prices starting at $454. Additional round-trip tickets that might be worth considering are offered by Delta and Air France, with the lowest prices starting at $542 and $543, respectively. Users have found that Icelandair is 56% cheaper than the other options available to this destination.

  • What are the most reliable airlines from Denver to Frankfurt am Main Airport?

    The top 3 most reliable airlines when flying from Denver to Frankfurt am Main Airport are Air Canada (85%), United Airlines (79%) and Lufthansa (79%).

  • What are the cheapest flights from Denver to Frankfurt am Main Airport?

    On average you can expect to pay $1,523 for a flight from Denver to Frankfurt am Main Airport. The cheapest flight overall is $321 while the most popular route, (Denver Intl - Frankfurt am Main) is currently priced at $612.

  • Can I find deals for flights from Denver to Frankfurt that include hotel bookings?

    Yes. In addition to deals on Denver to Frankfurt flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Denver to Frankfurt?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Denver to Frankfurt.

  • Can I find deals for business class flights from Denver to Frankfurt?

    Yes. Cheapflights offers flight deals from Denver to Frankfurt by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

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

    Currently, January is the cheapest month in which you can book a flight from Denver to Frankfurt am Main Airport (average of $729). Flying from Denver to Frankfurt am Main Airport in June is currently the most expensive (average of $1,091). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Traveling to a place near Frankfurt am Main Airport?

Book flights to Frankfurt am Main Airport if you plan to visit one of these locations
Koblenz
Baden-Baden
Wurzburg
Wiesbaden
Speyer
Trier
Boppard
Mainz

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Alternative routes for Denver to Frankfurt

See prices for flight routes from nearby airports that may be better suited for you.
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Top 9 airlines flying from Denver to Frankfurt

Discover the top 9 airlines that operate flights from Denver to Frankfurt. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated August 18, 2025.
AirlineCheapestAverageFlexibilityOn-time
IcelandairCheapest$465Average$725FlexibilityNo cancel feeOn-time76%
British AirwaysCheapest$494Average$859FlexibilityNo cancel feeOn-time70%
DeltaCheapest$542Average$774FlexibilityNo cancel feeOn-timeN/A
Air FranceCheapest$543Average$925FlexibilityNo cancel feeOn-time77%
Turkish AirlinesCheapest$623Average$706FlexibilityNo cancel feeOn-time77%
American AirlinesCheapest$624Average$962FlexibilityNo cancel feeOn-time71%
LufthansaCheapest$706Average$1,129FlexibilityNo cancel feeOn-time76%
Aer LingusCheapest$718Average$1,129FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$763Average$1,194FlexibilityNo cancel feeOn-time69%

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