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Heidelberg

$381+ 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 7/5. Fares are subject to change and may not be available on all flights or dates of travel.
DEN — FRA
May 6 — May 131
Tue 5/6
Tue 5/13
1 adult, Economy
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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 May 1, 2025.

Round-trip from

$751
(Condor)

One-way from

$381
(Kiwi.com)

Popular in

June

Cheapest in

October

Average price

$1,236
From Denver Intl to Heidelberg
Search Deals
One-way flight from Denver Intl to Heidelberg
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Highest demand for flights based on searches. 18% potential increase in price ($242 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease ($30 potential savings vs. average RT price).
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Average for round-trip flights in May 2025
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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 May 1, 2025.

This flugladen.de deal was found by Cheapflights users on 4/30. 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 flugladen.de is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/68:10 pmDEN - FRA
1 stop11h 55mIcelandair
Sun 10/55:10 pmFRA - DEN
1 stop33h 45mIcelandair
Deal found 4/30$747
This Condor deal was found by Cheapflights users on 4/29. 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.
Thu 5/2912:15 pmDEN - FRA
1 stop13h 35mMultiple Airlines
Thu 6/51:45 pmFRA - DEN
1 stop18h 20mMultiple Airlines
Deal found 4/29$753
This Gurufare deal was found by Cheapflights users on 4/29. 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 Gurufare is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/2510:35 amDEN - FRA
1 stop14h 10mBritish Airways
Tue 8/268:30 pmFRA - DEN
1 stop27h 55mBritish Airways
Deal found 4/29$754
This FlightHub deal was found by Cheapflights users on 4/29. 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.
Sat 9/137:50 pmDEN - FRA
1 stop37h 40mTurkish Airlines
Sun 9/287:05 amFRA - DEN
1 stop18h 50mTurkish Airlines
Deal found 4/29$762
This Ovago deal was found by Cheapflights users on 4/29. 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.
Wed 9/2412:59 pmDEN - FRA
2 stops22h 46mScandinavian Airlines
Tue 9/308:30 pmFRA - DEN
2 stops34h 28mScandinavian Airlines
Deal found 4/29$763
This American Airlines deal was found by Cheapflights users on 4/29. 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 8/126:35 pmDEN - FRA
1 stop20h 05mAmerican Airlines
Wed 8/209:20 amFRA - DEN
2 stops18h 19mAmerican Airlines
Deal found 4/29$766
This Iberia deal was found by Cheapflights users on 4/30. 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.
Mon 10/2710:28 amDEN - FRA
1 stop13h 47mIberia
Mon 11/107:35 pmFRA - DEN
2 stops20h 45mIberia
Deal found 4/30$769
This Gurufare deal was found by Cheapflights users on 4/30. 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 Gurufare is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/25:45 pmDEN - FRA
Nonstop9h 50mLufthansa
Wed 11/121:10 pmFRA - DEN
Nonstop10h 45mLufthansa
Deal found 4/30$786
This United Airlines deal was found by Cheapflights users on 4/30. 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.
Wed 9/105:59 pmDEN - FRA
Nonstop9h 31mUnited Airlines
Wed 10/11:30 pmFRA - DEN
Nonstop10h 05mUnited Airlines
Deal found 4/30$831
This Air Canada deal was found by Cheapflights users on 4/29. 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.
Tue 8/127:45 amDEN - FRA
2 stops15h 25mAir Canada
Tue 8/199:55 amFRA - DEN
2 stops17h 40mAir Canada
Deal found 4/29$835
This Delta deal was found by Cheapflights users on 4/28. 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.
Tue 12/212:55 amDEN - FRA
1 stop22h 55mDelta
Tue 12/910:40 amFRA - DEN
1 stop20h 06mDelta
Deal found 4/28$843
This StudentUniverse deal was found by Cheapflights users on 4/29. 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.
Wed 8/272:04 pmDEN - FRA
2 stops20h 31mFinnair
Mon 9/17:20 pmFRA - DEN
2 stops30h 43mFinnair
Deal found 4/29$845

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 May 1, 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

Sun 5/4

7:00 am-12:10 pm

1 stop21h 10m

Frankfurt am Main

Thu 5/8

11:45 am-9:41 pm

1 stop17h 56m

$751

DenverFrankfurt am Main

DEN - FRA

DENFRA

Denver Intl

Mon 7/28

6:35 pm-10:25 pm

1 stop19h 50m

Frankfurt am Main

Wed 8/13

9:20 am-10:55 pm

1 stop21h 35m

$800

DenverFrankfurt am Main

DEN - FRA

DENFRA

Denver Intl

Sun 5/18

10:56 am-8:45 am

1 stop13h 49m

Frankfurt am Main

Tue 6/3

10:55 am-11:59 pm

1 stop21h 04m

$819

DenverFrankfurt am Main

DEN - FRA

DENFRA

Denver Intl

Mon 7/28

2:06 pm-10:35 pm

2 stops24h 29m

Frankfurt am Main

Wed 8/13

6:30 am-10:27 pm

2 stops23h 57m

$821

DenverFrankfurt am Main

DEN - FRA

DENFRA

Denver Intl

Mon 7/28

4:40 pm-1:00 pm

1 stop12h 20m

Frankfurt am Main

Wed 8/13

5:10 pm-6:55 pm

1 stop33h 45m

$841

DenverFrankfurt am Main

DEN - FRA

DENFRA

Denver Intl

Sun 5/18

9:40 am-11:10 am

2 stops17h 30m

Frankfurt am Main

Tue 6/3

9:55 am-8:05 pm

2 stops18h 10m

$846

DenverFrankfurt am Main

DEN - FRA

DENFRA

Denver Intl

Tue 7/29

12:44 pm-6:35 pm

2 stops21h 51m

Frankfurt am Main

Tue 8/12

7:20 pm-10:15 pm

2 stops34h 55m

$854

DenverFrankfurt am Main

DEN - FRA

DENFRA

Denver Intl

Tue 5/6

12:40 pm-2:40 pm

2 stops42h 00m

Frankfurt am Main

Tue 5/20

8:30 pm-11:54 pm

2 stops35h 24m

$861

DenverFrankfurt am Main

DEN - FRA

DENFRA

Denver Intl

Sun 5/18

9:40 am-8:10 am

1 stop14h 30m

Frankfurt am Main

Tue 6/3

9:55 am-6:20 pm

1 stop16h 25m

$862

DenverFrankfurt am Main

DEN - FRA

DENFRA

Denver Intl

Wed 5/14

5:59 pm-11:30 am

Nonstop9h 31m

Frankfurt am Main

Mon 5/19

1:30 pm-3:35 pm

Nonstop10h 05m

$867

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/29

Showing 1-10 of 31 results
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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 25, 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 $1,086). 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 May 1, 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 May 1, 2025.

The most flights from DEN to HE1 are scheduled on a Monday (5 on average). You will have fewer flight options on Thursday, which is when the least amount of flights are scheduled (3 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 May 1, 2025.
Peruse reviews from past customers who have flown with Delta, KLM 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
7,934 reviews

Boarding

8.2

Comfort

7.9

Food

7.3

Entertainment

7.9

Crew

8.5

Overall

8.0

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
7,934 reviews
Delta
8.0
Very good
7,934 reviews

Boarding

8.2

Comfort

7.9

Food

7.3

Entertainment

7.9

Crew

8.5

Overall

8.0

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.
KLM
7.8
Good
1,334 reviews
Delta
8.0
Very good
7,934 reviews

Boarding

8.2

Comfort

7.9

Food

7.3

Entertainment

7.9

Crew

8.5

Overall

8.0

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
781 reviews
Delta
8.0
Very good
7,934 reviews

Boarding

8.2

Comfort

7.9

Food

7.3

Entertainment

7.9

Crew

8.5

Overall

8.0

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
1,275 reviews
Delta
8.0
Very good
7,934 reviews

Boarding

8.2

Comfort

7.9

Food

7.3

Entertainment

7.9

Crew

8.5

Overall

8.0

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.
SWISS
7.5
Good
1,588 reviews
Delta
8.0
Very good
7,934 reviews

Boarding

8.2

Comfort

7.9

Food

7.3

Entertainment

7.9

Crew

8.5

Overall

8.0

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 3 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 $419. Users have also found prices from $525 and $572 on Aer Lingus 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 $502. While the most popular route (Denver Intl - Frankfurt am Main) can be booked for $636 on average our data indicates $1,647 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 $1,086). 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

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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 May 1, 2025.
AirlineCheapestAverageFlexibilityOn-time
IcelandairCheapest$453Average$731FlexibilityNo cancel feeOn-time76%
DeltaCheapest$543Average$889FlexibilityNo cancel feeOn-timeN/A
British AirwaysCheapest$554Average$838FlexibilityNo cancel feeOn-time70%
American AirlinesCheapest$560Average$679FlexibilityNo cancel feeOn-time71%
Turkish AirlinesCheapest$642Average$742FlexibilityNo cancel feeOn-time77%
Aer LingusCheapest$673Average$924FlexibilityNo cancel feeOn-timeN/A
LufthansaCheapest$848Average$1,355FlexibilityNo cancel feeOn-time76%
United AirlinesCheapest$875Average$1,320FlexibilityNo cancel feeOn-time69%

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