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Heidelberg

$232+ Cheap flights from Colorado 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 8/3. Fares are subject to change and may not be available on all flights or dates of travel.
DEN — FRA
Jun 23 — Jun 301
Mon 6/23
Mon 6/30
1 adult, Economy
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Cheap flight deals from Colorado to Heidelberg

Keep the following information in mind while searching for Colorado to Heidelberg flight deals. Data was last updated June 18, 2025.

Round-trip from

$678

One-way from

$232
(Mytrip)

Popular in

June

Cheapest in

April

Average price

$1,400
From Colorado to Heidelberg
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One-way flight from Colorado to Heidelberg
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Highest demand for flights based on searches. 16% potential increase in price ($206 potential increase over avg. RT price).
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Cheapest flight prices on average. 3% potential price decrease ($32 potential savings vs. average RT price).
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Average for round-trip flights in June 2025
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Find flight deals from Colorado to Heidelberg

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

This deal was found by Cheapflights users on 6/17. 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 is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/277:45 amDEN - FRA
1 stop14h 45mAir Canada
Wed 9/1710:15 amFRA - DEN
1 stop14h 18mAir Canada
Deal found 6/17$678
This Icelandair deal was found by Cheapflights users on 6/16. 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 Icelandair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/284:40 pmDEN - FRA
1 stop12h 20mIcelandair
Sun 9/215:10 pmFRA - DEN
1 stop33h 45mIcelandair
Deal found 6/16$679
This British Airways deal was found by Cheapflights users on 6/16. 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 British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/310:26 amDEN - FRA
1 stop14h 19mBritish Airways
Tue 8/196:40 amFRA - DEN
2 stops19h 08mBritish Airways
Deal found 6/16$681
This Gotogate deal was found by Cheapflights users on 6/16. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/89:40 amDEN - FRA
1 stop14h 30mMultiple Airlines
Fri 8/221:30 pmFRA - DEN
Nonstop10h 05mMultiple Airlines
Deal found 6/16$682
This United Airlines deal was found by Cheapflights users on 6/16. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/53:50 pmDEN - FRA
Nonstop9h 30mUnited Airlines
Tue 8/1911:20 amFRA - DEN
Nonstop10h 05mUnited Airlines
Deal found 6/16$689
This Delta deal was found by Cheapflights users on 6/17. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 7/2712:59 amDEN - FRA
1 stop23h 56mDelta
Wed 8/1311:50 amFRA - DEN
2 stops19h 17mDelta
Deal found 6/17$696
This CrystalTravel deal was found by Cheapflights users on 6/15. 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 CrystalTravel is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/165:59 pmDEN - FRA
Nonstop9h 31mLufthansa
Mon 10/2710:15 pmFRA - DEN
1 stop24h 20mLufthansa
Deal found 6/15$699
This Iberia deal was found by Cheapflights users on 6/16. 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 Iberia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/2710:35 amDEN - FRA
1 stop14h 10mIberia
Mon 9/227:45 pmFRA - DEN
2 stops34h 44mIberia
Deal found 6/16$703
This American Airlines deal was found by Cheapflights users on 6/18. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/147:02 amDEN - FRA
1 stop16h 18mAmerican Airlines
Wed 8/209:20 amFRA - DEN
2 stops18h 28mAmerican Airlines
Deal found 6/18$710
This Cheapflightsfares deal was found by Cheapflights users on 6/17. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/87:45 amDEN - FRA
2 stops23h 05mAustrian Airlines
Mon 10/209:45 pmFRA - DEN
2 stops26h 50mAustrian Airlines
Deal found 6/17$722
This Scandinavian Airlines deal was found by Cheapflights users on 6/17. 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 Scandinavian Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/246:30 amDEN - FRA
2 stops24h 10mScandinavian Airlines
Wed 10/18:30 pmFRA - DEN
2 stops34h 28mScandinavian Airlines
Deal found 6/17$732
This Kiwi.com deal was found by Cheapflights users on 6/18. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/189:40 amDEN - FRA
1 stop14h 30mBrussels Airlines
Thu 10/29:55 amFRA - DEN
1 stop16h 23mBrussels Airlines
Deal found 6/18$769

Cheapflights Fare Finder

Customize your flight search to find flights from Colorado 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 June 18, 2025.
Use the filters below to find and compare flights from Colorado to Heidelberg that are best for you.

Fly from

Colorado

Fly to

Heidelberg

Route

Depart

Return

Price

DenverFrankfurt am Main

DEN - FRA

DENFRA

Denver Intl

Wed 8/27

7:45 am-6:30 am

1 stop14h 45m

Frankfurt am Main

Wed 9/17

10:15 am-4:33 pm

1 stop14h 18m

$678

DenverFrankfurt am Main

DEN - FRA

DENFRA

Denver Intl

Thu 8/28

4:40 pm-1:00 pm

1 stop12h 20m

Frankfurt am Main

Sun 9/21

5:10 pm-6:55 pm

1 stop33h 45m

$679

DenverFrankfurt am Main

DEN - FRA

DENFRA

Denver Intl

Sun 8/3

10:26 am-8:45 am

1 stop14h 19m

Frankfurt am Main

Tue 8/19

6:40 am-5:48 pm

2 stops19h 08m

$681

DenverFrankfurt am Main

DEN - FRA

DENFRA

Denver Intl

Fri 8/8

9:40 am-8:10 am

1 stop14h 30m

Frankfurt am Main

Fri 8/22

1:30 pm-3:35 pm

Nonstop10h 05m

$682

DenverFrankfurt am Main

DEN - FRA

DENFRA

Denver Intl

Tue 8/5

3:50 pm-9:20 am

Nonstop9h 30m

Frankfurt am Main

Tue 8/19

11:20 am-1:25 pm

Nonstop10h 05m

$689

DenverFrankfurt am Main

DEN - FRA

DENFRA

Denver Intl

Sun 7/27

12:59 am-8:55 am

1 stop23h 56m

Frankfurt am Main

Wed 8/13

11:00 am-11:07 pm

2 stops20h 07m

$696

DenverFrankfurt am Main

DEN - FRA

DENFRA

Denver Intl

Thu 10/16

5:59 pm-11:30 am

Nonstop9h 31m

Frankfurt am Main

Mon 10/27

10:15 pm-3:35 pm

1 stop24h 20m

$699

DenverFrankfurt am Main

DEN - FRA

DENFRA

Denver Intl

Wed 8/27

10:35 am-8:45 am

1 stop14h 10m

Frankfurt am Main

Mon 9/22

7:45 pm-10:29 pm

2 stops34h 44m

$703

DenverFrankfurt am Main

DEN - FRA

DENFRA

Denver Intl

Thu 8/14

7:02 am-7:20 am

1 stop16h 18m

Frankfurt am Main

Wed 8/20

9:20 am-7:48 pm

2 stops18h 28m

$710

DenverFrankfurt am Main

DEN - FRA

DENFRA

Denver Intl

Wed 10/8

7:45 am-2:50 pm

2 stops23h 05m

Frankfurt am Main

Mon 10/20

9:45 pm-4:35 pm

2 stops26h 50m

$722

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/16

Showing 1-10 of 43 results
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Best time to book a flight from Colorado to Heidelberg

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

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

Currently, January is the cheapest month in which you can book a flight from Colorado to Heidelberg (average of $729). Flying from Colorado to Heidelberg in June is currently the most expensive (average of $1,087). 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 CO to HE1?

Find hourly flight availability from Colorado 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 June 18, 2025.

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Colorado to Heidelberg as you normally would.

Weekly flight availability from Colorado to Heidelberg

Explore weekly flight availability from Colorado 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 June 18, 2025.

The most flights from USCO 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 June 18, 2025.
Read through reviews of airlines operating flights from Colorado to Heidelberg, such as Singapore Airlines, Delta and Alaska Airlines. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Singapore Airlines
8.1
Very good
1,310 reviews

Boarding

8.2

Overall

8.1

Crew

8.6

Entertainment

8.0

Comfort

7.9

Food

7.7

Reviews

1 / 20
6.0
Good

Gina,Dec 2024

BLR - SIN

Overall the experience was good. First flight of 17 hours had no entertainment since Singapore airline has technical issues. Was informed that passengers would get a $350 voucher for future flight. Uncertain how that is being distributed but would like to understand if an email is required from my end or if it is an automatic email sent to me by Singapore Airlines. -Gina Robles
Singapore Airlines
8.1
Very good
1,310 reviews
Singapore Airlines
8.1
Very good
1,310 reviews

Boarding

8.2

Overall

8.1

Crew

8.6

Entertainment

8.0

Comfort

7.9

Food

7.7

Reviews

1 / 20
6.0
Good

Gina,Dec 2024

BLR - SIN

Overall the experience was good. First flight of 17 hours had no entertainment since Singapore airline has technical issues. Was informed that passengers would get a $350 voucher for future flight. Uncertain how that is being distributed but would like to understand if an email is required from my end or if it is an automatic email sent to me by Singapore Airlines. -Gina Robles
Delta
8.0
Very good
7,964 reviews
Singapore Airlines
8.1
Very good
1,310 reviews

Boarding

8.2

Overall

8.1

Crew

8.6

Entertainment

8.0

Comfort

7.9

Food

7.7

Reviews

1 / 20
6.0
Good

Gina,Dec 2024

BLR - SIN

Overall the experience was good. First flight of 17 hours had no entertainment since Singapore airline has technical issues. Was informed that passengers would get a $350 voucher for future flight. Uncertain how that is being distributed but would like to understand if an email is required from my end or if it is an automatic email sent to me by Singapore Airlines. -Gina Robles
Alaska Airlines
8.0
Very good
10,000 reviews
Singapore Airlines
8.1
Very good
1,310 reviews

Boarding

8.2

Overall

8.1

Crew

8.6

Entertainment

8.0

Comfort

7.9

Food

7.7

Reviews

1 / 20
6.0
Good

Gina,Dec 2024

BLR - SIN

Overall the experience was good. First flight of 17 hours had no entertainment since Singapore airline has technical issues. Was informed that passengers would get a $350 voucher for future flight. Uncertain how that is being distributed but would like to understand if an email is required from my end or if it is an automatic email sent to me by Singapore Airlines. -Gina Robles
KLM
7.8
Good
1,363 reviews
Singapore Airlines
8.1
Very good
1,310 reviews

Boarding

8.2

Overall

8.1

Crew

8.6

Entertainment

8.0

Comfort

7.9

Food

7.7

Reviews

1 / 20
6.0
Good

Gina,Dec 2024

BLR - SIN

Overall the experience was good. First flight of 17 hours had no entertainment since Singapore airline has technical issues. Was informed that passengers would get a $350 voucher for future flight. Uncertain how that is being distributed but would like to understand if an email is required from my end or if it is an automatic email sent to me by Singapore Airlines. -Gina Robles
Austrian Airlines
7.6
Good
804 reviews
Singapore Airlines
8.1
Very good
1,310 reviews

Boarding

8.2

Overall

8.1

Crew

8.6

Entertainment

8.0

Comfort

7.9

Food

7.7

Reviews

1 / 20
6.0
Good

Gina,Dec 2024

BLR - SIN

Overall the experience was good. First flight of 17 hours had no entertainment since Singapore airline has technical issues. Was informed that passengers would get a $350 voucher for future flight. Uncertain how that is being distributed but would like to understand if an email is required from my end or if it is an automatic email sent to me by Singapore Airlines. -Gina Robles

Related info for your journey

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

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

    To fly one-way, consider booking your trip with Icelandair, which is currently one of the cheapest options available, starting at $232. Air Canada flights start at $409 while deals on Aer Lingus start at $420 one-way.

  • What are the most popular routes from Colorado to Heidelberg?

    The most popular flight routes from Colorado to Heidelberg are Denver Intl - Frankfurt am Main, Montrose County - Frankfurt am Main and Colorado Springs - Frankfurt am Main.

  • What are the most reliable airlines from Colorado 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 Colorado to Heidelberg on time: Air Canada (82%), United Airlines (72%), Lufthansa (72%).

  • What are the cheapest flights from Colorado to Heidelberg?

    While on average a flight from Colorado to Heidelberg is generally $1,576, our data shows the cheapest flight currently is $327. When looking at the most popular route, (Denver Intl - Frankfurt am Main), you can expect to pay $534 for that flight.

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

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

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

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

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

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

    Currently, January is the cheapest month in which you can book a flight from Colorado to Heidelberg (average of $729). Flying from Colorado to Heidelberg in June is currently the most expensive (average of $1,087). 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.

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Top 9 airlines flying from Colorado to Heidelberg

Discover the top 9 airlines that operate flights from Colorado 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 June 18, 2025.
AirlineCheapestAverageFlexibilityOn-time
IcelandairCheapest$453Average$701FlexibilityNo cancel feeOn-time76%
DeltaCheapest$542Average$774FlexibilityNo cancel feeOn-timeN/A
Air FranceCheapest$543Average$925FlexibilityNo cancel feeOn-time77%
British AirwaysCheapest$554Average$818FlexibilityNo cancel feeOn-time70%
American AirlinesCheapest$560Average$681FlexibilityNo cancel feeOn-time71%
Turkish AirlinesCheapest$623Average$786FlexibilityNo cancel feeOn-time77%
United AirlinesCheapest$687Average$1,278FlexibilityNo cancel feeOn-time69%
Aer LingusCheapest$701Average$963FlexibilityNo cancel feeOn-timeN/A
LufthansaCheapest$722Average$1,237FlexibilityNo cancel feeOn-time76%

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