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Heidelberg

$381+ 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 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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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 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 Colorado to Heidelberg
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One-way flight from Colorado to Heidelberg
Search Deals
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 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 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 British Airways 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 British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/1810:52 amCOS - FRA
1 stop13h 53mBritish Airways
Mon 9/810:45 amFRA - COS
1 stop20h 40mBritish Airways
Deal found 4/30$798
This American 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/181:59 pmCOS - FRA
2 stops17h 06mAmerican Airlines
Mon 9/810:45 amFRA - COS
1 stop17h 28mAmerican Airlines
Deal found 4/30$801
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

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 May 1, 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

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

Colorado SpringsFrankfurt am Main

COS - FRA

COSFRA

Colorado Springs

Mon 8/18

10:52 am-8:45 am

1 stop13h 53m

Frankfurt am Main

Mon 9/8

10:45 am-11:25 pm

1 stop20h 40m

$798

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

Colorado SpringsFrankfurt am Main

COS - FRA

COSFRA

Colorado Springs

Mon 8/18

1:59 pm-3:05 pm

2 stops17h 06m

Frankfurt am Main

Mon 9/8

10:45 am-8:13 pm

1 stop17h 28m

$801

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

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/29

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 $1,086). 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 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 May 1, 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 May 1, 2025.

The most flights from USCO 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.
Read through reviews of airlines operating flights from Colorado to Heidelberg, such as Delta, KLM and Austrian Airlines. Users have also rated airlines 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 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 WestJet, which is currently one of the cheapest options available, starting at $419. Aer Lingus flights start at $525 while deals on Lufthansa start at $572 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 (97%), Lufthansa (87%), United Airlines (80%).

  • What are the cheapest flights from Colorado to Heidelberg?

    While on average a flight from Colorado to Heidelberg is generally $1,647, our data shows the cheapest flight currently is $502. When looking at the most popular route, (Denver Intl - Frankfurt am Main), you can expect to pay $636 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 $1,086). 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

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Alternative routes for Colorado to Heidelberg

See prices for flight routes from nearby airports that may be better suited for you.
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Top 8 airlines flying from Colorado to Heidelberg

Discover the top 8 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 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
United AirlinesCheapest$687Average$1,277FlexibilityNo cancel feeOn-time69%
LufthansaCheapest$808Average$1,281FlexibilityNo cancel feeOn-time76%

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