HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Heidelberg

$326+ Cheap flights from Denver (DEN) to Heidelberg, Germany

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 8/4. Fares are subject to change and may not be available on all flights or dates of travel.
DEN — FRA
avr. 27 — mai 41
dim. 4/27
dim. 5/4
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Denver to Heidelberg with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

Cheapflights Tip: The best prices from Denver Intl to Heidelberg are usually found in October or February, booked 33 days in advance, depart on a Tuesday or Wednesday and return on a Sunday

Cheap flight deals from Denver to Heidelberg

Keep the following information in mind while searching for Denver to Heidelberg flight deals. Data was last updated avril 22, 2025.

Round-trip from

$717
(Condor)

One-way from

$346
(flugladen.de)

Popular in

June

Cheapest in

October

Average price

$897
From Denver Intl to Heidelberg
Search Deals
One-way flight from Denver Intl to Heidelberg
Search Deals
Highest demand for flights based on searches. 18% potential increase in price ($242 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($30 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in April 2025
Search Deals

Find flight deals from Denver to Heidelberg

Cheapest flights from Denver to Heidelberg
Explore the most affordable flight options available from Denver to Heidelberg. Find the lowest fares from popular airlines and budget airlines, with prices last updated on avril 22, 2025.

This Condor deal was found by Cheapflights users on 4/21. 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 Condor is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mer. 5/216:00 amDEN - FRA
1 stop22h 10mMultiple Airlines
mer. 5/2811:40 amFRA - DEN
1 stop17h 50mMultiple Airlines
Deal found 4/21$717
This American Airlines deal was found by Cheapflights users on 4/21. 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.
mer. 5/286:35 pmDEN - FRA
1 stop15h 40mAmerican Airlines
mar. 6/1010:55 amFRA - DEN
1 stop20h 01mAmerican Airlines
Deal found 4/21$722
This British Airways deal was found by Cheapflights users on 4/21. 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 British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mer. 7/166:35 pmDEN - FRA
1 stop20h 10mBritish Airways
mer. 7/2310:45 amFRA - DEN
1 stop17h 20mBritish Airways
Deal found 4/21$723
This Iberia deal was found by Cheapflights users on 4/22. 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 Iberia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jeu. 9/184:58 pmDEN - FRA
2 stops18h 02mIberia
mer. 9/2412:10 pmFRA - DEN
2 stops19h 25mIberia
Deal found 4/22$744
This StudentUniverse deal was found by Cheapflights users on 4/22. 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 StudentUniverse is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mer. 8/202:06 pmDEN - FRA
2 stops20h 29mFinnair
mer. 9/37:20 pmFRA - DEN
2 stops30h 19mFinnair
Deal found 4/22$749
This FlightHub deal was found by Cheapflights users on 4/21. 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.
jeu. 9/187:50 pmDEN - FRA
1 stop30h 10mTurkish Airlines
jeu. 10/211:25 amFRA - DEN
1 stop38h 30mTurkish Airlines
Deal found 4/21$761
This Ovago deal was found by Cheapflights users on 4/21. 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.
mar. 8/1912:59 pmDEN - FRA
2 stops41h 41mScandinavian Airlines
mar. 9/28:30 pmFRA - DEN
2 stops35h 19mScandinavian Airlines
Deal found 4/21$763
This FlightHub deal was found by Cheapflights users on 4/22. 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.
mer. 10/224:40 pmDEN - FRA
1 stop12h 20mIcelandair
mer. 11/51:05 pmFRA - DEN
1 stop13h 00mIcelandair
Deal found 4/22$771
This Air Canada deal was found by Cheapflights users on 4/22. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 8/129:40 amDEN - FRA
1 stop14h 30mAir Canada
mar. 8/199:55 amFRA - DEN
2 stops17h 40mAir Canada
Deal found 4/22$828
This Ticket deal was found by Cheapflights users on 4/21. 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 Ticket is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 5/55:59 pmDEN - FRA
Nonstop9h 31mLufthansa
mar. 5/201:30 pmFRA - DEN
Nonstop10h 05mLufthansa
Deal found 4/21$844
This Delta deal was found by Cheapflights users on 4/21. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 11/186:45 amDEN - FRA
2 stops17h 05mDelta
mer. 11/2610:40 amFRA - DEN
2 stops19h 50mDelta
Deal found 4/21$847
This United Airlines deal was found by Cheapflights users on 4/22. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 12/111:25 amDEN - FRA
1 stop12h 00mUnited Airlines
lun. 12/154:00 pmFRA - DEN
1 stop30h 25mUnited Airlines
Deal found 4/22$851

Cheapflights Fare Finder

Customize your flight search to find flights from Denver to Heidelberg 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 avril 22, 2025.
Use the filters below to find and compare flights from Denver to Heidelberg that are best for you.

Fly from

Denver

Fly to

Heidelberg

Route

Depart

Return

Price

DenverFrankfurt am Main

DEN - FRA

DENFRA

Denver Intl

mer. 5/21

6:00 am-12:10 pm

1 stop22h 10m

Frankfurt am Main

mer. 5/28

11:40 am-9:30 pm

1 stop17h 50m

$717

DenverFrankfurt am Main

DEN - FRA

DENFRA

Denver Intl

mer. 5/28

6:35 pm-6:15 pm

1 stop15h 40m

Frankfurt am Main

mar. 6/10

10:55 am-10:56 pm

1 stop20h 01m

$722

DenverFrankfurt am Main

DEN - FRA

DENFRA

Denver Intl

mer. 7/16

6:35 pm-10:45 pm

1 stop20h 10m

Frankfurt am Main

mer. 7/23

10:45 am-8:05 pm

1 stop17h 20m

$723

DenverFrankfurt am Main

DEN - FRA

DENFRA

Denver Intl

jeu. 9/18

4:58 pm-7:00 pm

2 stops18h 02m

Frankfurt am Main

jeu. 9/25

12:10 pm-11:35 pm

2 stops19h 25m

$744

DenverFrankfurt am Main

DEN - FRA

DENFRA

Denver Intl

ven. 8/22

7:50 pm-9:00 pm

1 stop17h 10m

Frankfurt am Main

ven. 9/5

6:55 pm-5:55 pm

1 stop31h 00m

$746

DenverFrankfurt am Main

DEN - FRA

DENFRA

Denver Intl

mer. 8/20

2:06 pm-6:35 pm

2 stops20h 29m

Frankfurt am Main

mer. 9/3

7:20 pm-5:39 pm

2 stops30h 19m

$749

DenverFrankfurt am Main

DEN - FRA

DENFRA

Denver Intl

mar. 8/19

12:59 pm-2:40 pm

2 stops41h 41m

Frankfurt am Main

mar. 9/2

8:30 pm-11:49 pm

2 stops35h 19m

$763

DenverFrankfurt am Main

DEN - FRA

DENFRA

Denver Intl

mar. 8/12

8:10 pm-4:05 pm

1 stop11h 55m

Frankfurt am Main

mar. 8/19

2:00 pm-6:55 pm

1 stop12h 55m

$785

DenverFrankfurt am Main

DEN - FRA

DENFRA

Denver Intl

mar. 8/12

5:59 pm-11:30 am

Nonstop9h 31m

Frankfurt am Main

mar. 8/19

1:30 pm-3:35 pm

Nonstop10h 05m

$826

DenverFrankfurt am Main

DEN - FRA

DENFRA

Denver Intl

mar. 8/12

7:45 am-8:10 am

2 stops16h 25m

Frankfurt am Main

mar. 8/19

9:55 am-7:35 pm

2 stops17h 40m

$835

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/22

Showing 1-10 of 30 results
1
2
3

Best time to book a flight from Denver to Heidelberg

Have a flexible travel schedule? Discover the best time to fly to Heidelberg 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 Heidelberg

How far ahead should I book a flight from Denver to Heidelberg?

Use this chart to determine the optimal time to book a round-trip flight from Denver to Heidelberg. Price data was last updated on April 18, 2025.

Booking 33 days in advance of your planned departure date is, on average, the best time to get cheap flights from Denver to Heidelberg. The general trend is that the closer you book to the departure date, the more expensive your flight will be.

What is the cheapest month to book a flight from Denver to Heidelberg?

Currently, January is the cheapest month in which you can book a flight from Denver to Heidelberg (average of $729). Flying from Denver to Heidelberg in June is currently the most expensive (average of $1,079). 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 HE1?

Find hourly flight availability from Denver to Heidelberg. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated avril 22, 2025.

When flying from Denver to Heidelberg, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

What is the cheapest day to fly from Denver to Heidelberg?

Use this chart to determine the cheapest time to fly round-trip from Denver to Heidelberg. Price data was last updated on December 16, 2024.

Travelers seeking maximum savings on their Denver to Heidelberg flight should consider departing on Friday evenings when fares are most often at their lowest. Saturday evenings flights should be avoided if possible as fares are typically the most expensive at this time.

Weekly flight availability from Denver to Heidelberg

Explore weekly flight availability from Denver to Heidelberg. 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 avril 22, 2025.

The most flights from DEN to HE1 are scheduled on a Monday (5 on average). You will have fewer flight options on Wednesday, which is when the least amount of flights are scheduled (4 on average).

Rainfall in Heidelberg by month

Plan your trip to Heidelberg by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Heidelberg ranges from 1.6 - 2.8 inches per month. June is typically the wettest month, when rainfall can reach 2.8 in. January is typically the driest time to visit Heidelberg when rainfall is around 1.6 in.

Temperature in Heidelberg by month

Plan your trip to Heidelberg by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Heidelberg, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 64.4 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 33.8 F).

Reviews of airlines servicing Heidelberg

Get insights into the airlines that provide service to Heidelberg. 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 Heidelberg. Reviews last updated avril 22, 2025.
Peruse reviews from past customers who have flown with Delta, Finnair and Austrian Airlines from Denver to Heidelberg to help guide your decision. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very good
7,920 reviews

Overall

8.0

Boarding

8.2

Food

7.3

Comfort

7.9

Entertainment

7.9

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
Delta
8.0
Very good
7,920 reviews
Delta
8.0
Very good
7,920 reviews

Overall

8.0

Boarding

8.2

Food

7.3

Comfort

7.9

Entertainment

7.9

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
Finnair
7.6
Good
1,272 reviews
Delta
8.0
Very good
7,920 reviews

Overall

8.0

Boarding

8.2

Food

7.3

Comfort

7.9

Entertainment

7.9

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
Austrian Airlines
7.6
Good
780 reviews
Delta
8.0
Very good
7,920 reviews

Overall

8.0

Boarding

8.2

Food

7.3

Comfort

7.9

Entertainment

7.9

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
United Airlines
7.4
Good
8,683 reviews
Delta
8.0
Very good
7,920 reviews

Overall

8.0

Boarding

8.2

Food

7.3

Comfort

7.9

Entertainment

7.9

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
Turkish Airlines
7.3
Good
3,773 reviews
Delta
8.0
Very good
7,920 reviews

Overall

8.0

Boarding

8.2

Food

7.3

Comfort

7.9

Entertainment

7.9

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

Related info for your journey

Find useful and relevant information for your journey from Denver to Heidelberg. 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 Heidelberg?

    Most people fly from Denver Intl (DEN) if they book a flight from Denver to Heidelberg. On average, Denver Intl has 4 outbound flights to Heidelberg per day from 8 airlines. Denver Intl is conveniently located just 18.5 mi from Denver’s city center.

  • What are the cheapest airlines to fly from Denver to Heidelberg one-way?

    For one-way options, check prices for WestJet. According to our data, you can fly for as low as $346. Users have also found prices from $525 and $558 on Turkish Airlines and Lufthansa, respectively.

  • What are the most reliable airlines from Denver to Heidelberg?

    Looking for the most reliable airlines to get you to your destination on time? Our data shows these are most likely to get you from Denver to Heidelberg on time: Air Canada (97%), Lufthansa (87%), United Airlines (80%).

  • What are the cheapest flights from Denver to Heidelberg?

    Looking at all options, your cheapest flight can be booked for $522. While the most popular route (Denver Intl - Frankfurt am Main) can be booked for $533 on average our data indicates $1,688 when flying from Denver to Heidelberg.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Denver to Heidelberg 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 Heidelberg?

    Currently, January is the cheapest month in which you can book a flight from Denver to Heidelberg (average of $729). Flying from Denver to Heidelberg in June is currently the most expensive (average of $1,079). 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

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Top 8 airlines flying from Denver to Heidelberg

Discover the top 8 airlines that operate flights from Denver to Heidelberg. 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 avril 22, 2025.
AirlineCheapestAverageFlexibilityOn-time
IcelandairCheapest$453Average$725FlexibilityNo cancel feeOn-time76%
DeltaCheapest$543Average$1,073FlexibilityNo cancel feeOn-timeN/A
British AirwaysCheapest$554Average$841FlexibilityNo cancel feeOn-time70%
American AirlinesCheapest$560Average$679FlexibilityNo cancel feeOn-time71%
Turkish AirlinesCheapest$642Average$743FlexibilityNo cancel feeOn-time77%
Aer LingusCheapest$673Average$917FlexibilityNo cancel feeOn-timeN/A
LufthansaCheapest$847Average$1,371FlexibilityNo cancel feeOn-time76%
United AirlinesCheapest$874Average$1,322FlexibilityNo cancel feeOn-time69%

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.