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Heidelberg

$327+ 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 7/7. Fares are subject to change and may not be available on all flights or dates of travel.
DEN — FRA
4월 7 — 4월 141
월 4/7
월 4/14
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 4월 2, 2025.

Round-trip from

$721
(Scandinavian Airlines)

One-way from

$327
(Kiwi.com)

Popular in

June

Cheapest in

October

Average price

$911
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 ($270 potential increase over avg. RT price).
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Cheapest flight prices on average. 3% potential price decrease ($34 potential savings vs. average RT price).
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Average for round-trip flights in April 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 4월 2, 2025.

This Condor deal was found by Cheapflights users on 3/31. 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.
수 4/307:00 amDEN - FRA
1 stop21h 10mMultiple Airlines
수 5/711:15 amFRA - DEN
1 stop19h 44mMultiple Airlines
Deal found 3/31$690
This FlightHub deal was found by Cheapflights users on 3/31. 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.
화 4/87:50 pmDEN - FRA
1 stop37h 40mTurkish Airlines
월 4/143:05 pmFRA - DEN
1 stop34h 50mTurkish Airlines
Deal found 3/31$699
This Gurufare deal was found by Cheapflights users on 3/31. 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.
수 9/1012:59 pmDEN - FRA
2 stops41h 41mScandinavian Airlines
화 9/238:30 pmFRA - DEN
2 stops34h 29mScandinavian Airlines
Deal found 3/31$708
This British Airways deal was found by Cheapflights users on 3/31. 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.
화 11/184:59 pmDEN - FRA
2 stops16h 01mBritish Airways
수 11/2610:15 amFRA - DEN
1 stop15h 27mBritish Airways
Deal found 3/31$749
This American Airlines deal was found by Cheapflights users on 4/1. 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.
월 12/15:30 pmDEN - FRA
1 stop14h 00mAmerican Airlines
월 12/1510:55 amFRA - DEN
2 stops19h 22mAmerican Airlines
Deal found 4/1$798
This FlightHub deal was found by Cheapflights users on 3/31. 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.
화 4/14:40 pmDEN - FRA
1 stop12h 20mIcelandair
화 4/295:10 pmFRA - DEN
1 stop33h 45mIcelandair
Deal found 3/31$811
This United deal was found by Cheapflights users on 3/31. 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.
화 11/1811:25 amDEN - FRA
1 stop12h 00mUnited Airlines
수 11/261:10 pmFRA - DEN
Nonstop10h 45mUnited Airlines
Deal found 3/31$821
This Delta deal was found by Cheapflights users on 3/31. 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.
일 11/3012:55 amDEN - FRA
1 stop22h 55mDelta
월 12/1510:40 amFRA - DEN
1 stop19h 00mDelta
Deal found 3/31$885
This Expedia deal was found by Cheapflights users on 4/1. 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.
일 4/205:40 pmDEN - FRA
Nonstop9h 50mLufthansa
화 5/61:30 pmFRA - DEN
Nonstop10h 05mLufthansa
Deal found 4/1$889
This Booking.com deal was found by Cheapflights users on 4/1. 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.
일 4/2011:15 amDEN - FRA
2 stops15h 45mAir Canada
화 5/67:30 amFRA - DEN
2 stops18h 50mAir Canada
Deal found 4/1$906
This Kiwi.com deal was found by Cheapflights users on 3/31. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
월 5/199:40 amDEN - FRA
1 stop14h 30mBrussels Airlines
목 5/299:55 amFRA - DEN
1 stop16h 25mBrussels Airlines
Deal found 3/31$913
This Virgin Atlantic deal was found by Cheapflights users on 3/31. 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 Virgin Atlantic is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
월 4/147:20 amDEN - FRA
2 stops17h 20mVirgin Atlantic
화 4/2911:00 amFRA - DEN
2 stops17h 16mVirgin Atlantic
Deal found 3/31$935

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 4월 2, 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

수 4/30

7:00 am-12:10 pm

1 stop21h 10m

Frankfurt am Main

수 5/7

11:15 am-10:59 pm

1 stop19h 44m

$690

DenverFrankfurt am Main

DEN - FRA

DENFRA

Denver Intl

화 4/8

7:50 pm-5:30 pm

1 stop37h 40m

Frankfurt am Main

월 4/14

3:05 pm-5:55 pm

1 stop34h 50m

$699

DenverFrankfurt am Main

DEN - FRA

DENFRA

Denver Intl

일 5/11

7:06 am-2:40 pm

2 stops23h 34m

Frankfurt am Main

월 5/19

8:30 pm-11:54 pm

2 stops35h 24m

$720

DenverFrankfurt am Main

DEN - FRA

DENFRA

Denver Intl

금 5/2

4:40 pm-1:00 pm

1 stop12h 20m

Frankfurt am Main

금 5/16

5:10 pm-6:55 pm

1 stop33h 45m

$846

DenverFrankfurt am Main

DEN - FRA

DENFRA

Denver Intl

일 4/20

5:40 pm-11:30 am

Nonstop9h 50m

Frankfurt am Main

화 5/6

1:30 pm-3:35 pm

Nonstop10h 05m

$889

DenverFrankfurt am Main

DEN - FRA

DENFRA

Denver Intl

일 4/20

11:15 am-11:00 am

2 stops15h 45m

Frankfurt am Main

화 5/6

7:30 am-6:20 pm

2 stops18h 50m

$906

DenverFrankfurt am Main

DEN - FRA

DENFRA

Denver Intl

월 5/19

9:40 am-8:10 am

1 stop14h 30m

Frankfurt am Main

목 5/29

9:55 am-6:20 pm

1 stop16h 25m

$913

DenverFrankfurt am Main

DEN - FRA

DENFRA

Denver Intl

월 4/14

12:44 pm-12:10 pm

1 stop15h 26m

Frankfurt am Main

화 4/29

1:45 pm-11:59 pm

1 stop18h 14m

$914

DenverFrankfurt am Main

DEN - FRA

DENFRA

Denver Intl

수 5/14

5:59 pm-11:30 am

Nonstop9h 31m

Frankfurt am Main

화 5/27

9:55 am-6:20 pm

1 stop16h 25m

$916

DenverFrankfurt am Main

DEN - FRA

DENFRA

Denver Intl

월 5/12

12:59 am-8:55 am

1 stop23h 56m

Frankfurt am Main

수 5/28

10:40 am-5:39 pm

1 stop14h 59m

$930

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/31

Showing 1-10 of 27 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 March 28, 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 4월 2, 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 4월 2, 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 4월 2, 2025.
Peruse reviews from past customers who have flown with Delta, Alaska Airlines 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.
Delta
8.0
Very good
7,898 reviews

Crew

8.5

Comfort

7.9

Overall

8.0

Entertainment

7.9

Boarding

8.2

Food

7.3

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
7,898 reviews
Delta
8.0
Very good
7,898 reviews

Crew

8.5

Comfort

7.9

Overall

8.0

Entertainment

7.9

Boarding

8.2

Food

7.3

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.
Alaska Airlines
8.0
Very good
9,820 reviews
Delta
8.0
Very good
7,898 reviews

Crew

8.5

Comfort

7.9

Overall

8.0

Entertainment

7.9

Boarding

8.2

Food

7.3

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
1,323 reviews
Delta
8.0
Very good
7,898 reviews

Crew

8.5

Comfort

7.9

Overall

8.0

Entertainment

7.9

Boarding

8.2

Food

7.3

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
1,267 reviews
Delta
8.0
Very good
7,898 reviews

Crew

8.5

Comfort

7.9

Overall

8.0

Entertainment

7.9

Boarding

8.2

Food

7.3

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
1,572 reviews
Delta
8.0
Very good
7,898 reviews

Crew

8.5

Comfort

7.9

Overall

8.0

Entertainment

7.9

Boarding

8.2

Food

7.3

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 5 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 $414. Users have also found prices from $422 and $487 on Icelandair and Turkish Airlines, 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 (93%), United Airlines (73%), Lufthansa (73%).

  • 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 $588 on average our data indicates $2,618 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

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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 4월 2, 2025.
AirlineCheapestAverageFlexibilityOn-time
IcelandairCheapest$453Average$785FlexibilityNo cancel feeOn-time76%
British AirwaysCheapest$506Average$834FlexibilityNo cancel feeOn-time70%
DeltaCheapest$543Average$1,038FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$560Average$679FlexibilityNo cancel feeOn-time71%
Turkish AirlinesCheapest$642Average$738FlexibilityNo cancel feeOn-time77%
Aer LingusCheapest$673Average$917FlexibilityNo cancel feeOn-timeN/A
LufthansaCheapest$854Average$1,371FlexibilityNo cancel feeOn-time76%
United AirlinesCheapest$867Average$1,328FlexibilityNo cancel feeOn-time69%

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