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Heidelberg

$344+ 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 4/28. Fares are subject to change and may not be available on all flights or dates of travel.
DEN — FRA
Feb 25 — Mar 41
Tue 2/25
Tue 3/4
1 adult, Economy
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The best prices from Denver Intl to Heidelberg are usually found in October or November, booked 25 days in advance, depart on a Tuesday or Wednesday and return on a Tuesday

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 February 20, 2025.

Round-trip from

$651
(American Airlines)

One-way from

$344
(Kiwi.com)

Popular in

June

Cheapest in

October

Average price

$974
From Denver Intl to Heidelberg
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One-way flight from Denver Intl to Heidelberg
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Highest demand for flights based on searches. 19% potential increase in price ($273 potential increase over avg. RT price).
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Cheapest flight prices on average. 3% potential price decrease ($37 potential savings vs. average RT price).
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Average for round-trip flights in February 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 February 20, 2025.

This American Airlines deal was found by Cheapflights users on 2/19. 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.
Sun 3/236:40 amDEN - FRA
1 stop19h 10mAmerican Airlines
Tue 4/86:40 amFRA - DEN
2 stops16h 47mAmerican Airlines
Deal found 2/19$651
This Booking.com deal was found by Cheapflights users on 2/18. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/184:49 pmDEN - FRA
2 stops17h 11mBritish Airways
Tue 4/16:40 amFRA - DEN
2 stops19h 00mBritish Airways
Deal found 2/18$658
This Iberia deal was found by Cheapflights users on 2/19. 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.
Thu 3/610:42 amDEN - FRA
1 stop12h 33mIberia
Thu 3/1310:50 amFRA - DEN
1 stop18h 14mIberia
Deal found 2/19$682
This FlightHub deal was found by Cheapflights users on 2/19. 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.
Fri 2/217:35 pmDEN - FRA
1 stop18h 40mTurkish Airlines
Fri 3/77:15 amFRA - DEN
1 stop18h 25mTurkish Airlines
Deal found 2/19$690
This Finnair deal was found by Cheapflights users on 2/19. 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.
Mon 4/1412:13 pmDEN - FRA
1 stop12h 32mFinnair
Thu 4/2410:55 amFRA - DEN
1 stop14h 45mFinnair
Deal found 2/19$692
This Mytrip deal was found by Cheapflights users on 2/20. 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.
Wed 4/211:15 amDEN - FRA
3 stops24h 30mMultiple Airlines
Wed 4/98:40 pmFRA - DEN
2 stops27h 50mMultiple Airlines
Deal found 2/20$762
This FlightHub deal was found by Cheapflights users on 2/19. 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 11/1812:59 pmDEN - FRA
2 stops22h 46mScandinavian Airlines
Wed 11/268:30 pmFRA - DEN
2 stops34h 29mScandinavian Airlines
Deal found 2/19$764
This Gurufare deal was found by Cheapflights users on 2/19. 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.
Sat 3/17:00 amDEN - FRA
2 stops19h 05mAer Lingus
Wed 3/1210:50 amFRA - DEN
2 stops18h 43mAer Lingus
Deal found 2/19$856
This oojo deal was found by Cheapflights users on 2/19. 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.
Fri 2/287:55 pmDEN - FRA
2 stops32h 10mIcelandair
Wed 3/51:05 pmFRA - DEN
1 stop13h 00mIcelandair
Deal found 2/19$938
This Justfly.com deal was found by Cheapflights users on 2/20. 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 Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/1412:44 pmDEN - FRA
1 stop15h 26mCondor
Thu 4/241:45 pmFRA - DEN
1 stop18h 14mCondor
Deal found 2/20$948
This United deal was found by Cheapflights users on 2/19. 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 is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/228:34 pmDEN - FRA
2 stops26h 51mUnited Airlines
Mon 12/112:00 pmFRA - DEN
1 stop34h 25mUnited Airlines
Deal found 2/19$1,032
This KLM deal was found by Cheapflights users on 2/18. 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 KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 3/1212:12 pmDEN - FRA
2 stops14h 23mKLM
Wed 3/1910:15 amFRA - DEN
2 stops16h 43mKLM
Deal found 2/18$1,092

Find flights from Denver to Heidelberg within your budget

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 February 20, 2025.

Fly from

Denver

Fly to

Heidelberg

Route

Depart

Return

Price

DenverFrankfurt am Main

DEN - FRA

DENFRA

Denver Intl

Sun 3/23

6:40 am-8:50 am

1 stop19h 10m

Frankfurt am Main

Tue 4/8

6:40 am-3:27 pm

2 stops16h 47m

$651

DenverFrankfurt am Main

DEN - FRA

DENFRA

Denver Intl

Tue 3/18

4:49 pm-5:00 pm

2 stops17h 11m

Frankfurt am Main

Tue 4/1

6:40 am-5:40 pm

2 stops19h 00m

$658

DenverFrankfurt am Main

DEN - FRA

DENFRA

Denver Intl

Sun 3/23

6:32 pm-7:15 am

1 stop29h 43m

Frankfurt am Main

Tue 4/8

10:55 am-7:50 pm

1 stop16h 55m

$666

DenverFrankfurt am Main

DEN - FRA

DENFRA

Denver Intl

Mon 4/14

12:13 pm-8:45 am

1 stop12h 32m

Frankfurt am Main

Thu 4/24

10:55 am-5:40 pm

1 stop14h 45m

$692

DenverFrankfurt am Main

DEN - FRA

DENFRA

Denver Intl

Sun 3/23

8:35 pm-2:00 pm

1 stop34h 25m

Frankfurt am Main

Tue 4/8

7:05 am-5:55 pm

1 stop18h 50m

$695

DenverFrankfurt am Main

DEN - FRA

DENFRA

Denver Intl

Thu 4/3

6:35 pm-6:20 pm

1 stop15h 45m

Frankfurt am Main

Thu 5/1

7:45 pm-7:50 pm

2 stops32h 05m

$777

DenverFrankfurt am Main

DEN - FRA

DENFRA

Denver Intl

Thu 3/6

6:50 am-7:45 pm

2 stops28h 55m

Frankfurt am Main

Thu 3/13

4:05 pm-11:18 pm

2 stops38h 13m

$831

DenverFrankfurt am Main

DEN - FRA

DENFRA

Denver Intl

Sat 4/26

7:20 am-10:15 am

2 stops18h 55m

Frankfurt am Main

Wed 5/7

10:55 am-5:59 pm

1 stop15h 04m

$931

DenverFrankfurt am Main

DEN - FRA

DENFRA

Denver Intl

Mon 4/14

12:44 pm-12:10 pm

1 stop15h 26m

Frankfurt am Main

Thu 4/24

1:45 pm-11:59 pm

1 stop18h 14m

$948

DenverFrankfurt am Main

DEN - FRA

DENFRA

Denver Intl

Wed 3/12

12:12 pm-9:35 am

2 stops14h 23m

Frankfurt am Main

Wed 3/19

10:15 am-7:58 pm

2 stops16h 43m

$1,092

Flights are sorted by cheapest round-trip flights first.

Deals found on 2/19

Showing 1-10 of 29 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.

Travel insights for flights from Denver to Heidelberg

Get recent, data-driven insights about flights from Denver to Heidelberg including ideal travel times, pricing trends, and more.

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 February 14, 2025.

Booking 25 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 $1,096). 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 February 20, 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 February 20, 2025.

The most flights from DEN to HE1 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).

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 February 20, 2025.
Peruse reviews from past customers who have flown with Singapore Airlines, Delta and KLM 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.
Singapore Airlines
8.1
Very good
1,299 reviews

Crew

8.6

Overall

8.1

Boarding

8.2

Comfort

7.9

Entertainment

8.0

Food

7.7

Reviews

1 / 20

2.0
Mediocre

Ketan,Nov 2024

SEA - SIN

Sin to amd was not good flight. Food was bad. It was like few days old.

Singapore Airlines
8.1
Very good
1,299 reviews
Singapore Airlines
8.1
Very good
1,299 reviews

Crew

8.6

Overall

8.1

Boarding

8.2

Comfort

7.9

Entertainment

8.0

Food

7.7

Reviews

1 / 20

2.0
Mediocre

Ketan,Nov 2024

SEA - SIN

Sin to amd was not good flight. Food was bad. It was like few days old.

Delta
8.0
Very good
8,220 reviews
Singapore Airlines
8.1
Very good
1,299 reviews

Crew

8.6

Overall

8.1

Boarding

8.2

Comfort

7.9

Entertainment

8.0

Food

7.7

Reviews

1 / 20

2.0
Mediocre

Ketan,Nov 2024

SEA - SIN

Sin to amd was not good flight. Food was bad. It was like few days old.

KLM
7.8
Good
1,333 reviews
Singapore Airlines
8.1
Very good
1,299 reviews

Crew

8.6

Overall

8.1

Boarding

8.2

Comfort

7.9

Entertainment

8.0

Food

7.7

Reviews

1 / 20

2.0
Mediocre

Ketan,Nov 2024

SEA - SIN

Sin to amd was not good flight. Food was bad. It was like few days old.

Finnair
7.6
Good
1,273 reviews
Singapore Airlines
8.1
Very good
1,299 reviews

Crew

8.6

Overall

8.1

Boarding

8.2

Comfort

7.9

Entertainment

8.0

Food

7.7

Reviews

1 / 20

2.0
Mediocre

Ketan,Nov 2024

SEA - SIN

Sin to amd was not good flight. Food was bad. It was like few days old.

United Airlines
7.4
Good
8,766 reviews
Singapore Airlines
8.1
Very good
1,299 reviews

Crew

8.6

Overall

8.1

Boarding

8.2

Comfort

7.9

Entertainment

8.0

Food

7.7

Reviews

1 / 20

2.0
Mediocre

Ketan,Nov 2024

SEA - SIN

Sin to amd was not good flight. Food was bad. It was like few days old.

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 5 outbound flights to Heidelberg per day from 9 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 Singapore Airlines. According to our data, you can fly for as low as $421. Users have also found prices from $457 and $530 on Turkish Airlines and WestJet, 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 (92%), United Airlines (61%), Lufthansa (61%).

  • What are the cheapest flights from Denver to Heidelberg?

    Looking at all options, your cheapest flight can be booked for $419. While the most popular route (Denver Intl - Frankfurt am Main) can be booked for $451 on average our data indicates $1,629 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 $1,096). 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

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Top 9 airlines flying from Denver to Heidelberg

Discover the top 9 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 February 20, 2025.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$403Average$631FlexibilityNo cancel feeOn-time71%
IcelandairCheapest$453Average$818FlexibilityNo cancel feeOn-time76%
British AirwaysCheapest$506Average$817FlexibilityNo cancel feeOn-time70%
LufthansaCheapest$557Average$1,347FlexibilityNo cancel feeOn-time76%
DeltaCheapest$600Average$922FlexibilityNo cancel feeOn-timeN/A
Turkish AirlinesCheapest$644Average$738FlexibilityNo cancel feeOn-time77%
Aer LingusCheapest$673Average$917FlexibilityNo cancel feeOn-timeN/A
KLMCheapest$734Average$859FlexibilityNo cancel feeOn-time75%
United AirlinesCheapest$772Average$1,375FlexibilityNo cancel feeOn-time69%
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