Heidelberg

$320+ Cheap flights from Houston 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 7/23. Fares are subject to change and may not be available on all flights or dates of travel.
HOU — FRA
Jun 17 — Jun 241
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Cheapflights Tip: The best prices from Houston to Heidelberg are usually found in September or November, booked 37 days in advance, depart on a Wednesday or Tuesday and return on a Monday

Cheap flight deals from Houston to Heidelberg

Keep the following information in mind while searching for Houston to Heidelberg flight deals. Data was last updated June 12, 2025.

Round-trip from

$712
(American Airlines)

One-way from

$320
(Kiwi.com)

Popular in

June

Cheapest in

September

Average price

$1,327
From Houston to Heidelberg
One-way flight from Houston to Heidelberg
Highest demand for flights based on searches. 16% potential increase in price ($197 potential increase over avg. RT price).
Cheapest flight prices on average. 3% potential price decrease ($31 potential savings vs. average RT price).
Average for round-trip flights in June 2025

Find flight deals from Houston to Heidelberg

Cheapest flights from Houston to Heidelberg
Explore the most affordable flight options available from Houston to Heidelberg. Find the lowest fares from popular airlines and budget airlines, with prices last updated on June 12, 2025.

This American Airlines deal was found by Cheapflights users on 6/11. 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 8/39:48 amIAH - FRA
1 stop14h 32mAmerican Airlines
Sun 8/106:40 amFRA - IAH
1 stop14h 00mAmerican Airlines
Deal found 6/11$712
This Air Canada deal was found by Cheapflights users on 6/11. 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 9/3010:17 amIAH - FRA
2 stops14h 53mAir Canada
Thu 10/169:55 amFRA - IAH
2 stops19h 14mAir Canada
Deal found 6/11$713
This Delta deal was found by Cheapflights users on 6/11. 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 8/3112:51 pmIAH - FRA
1 stop13h 59mDelta
Tue 9/911:00 amFRA - IAH
1 stop13h 51mDelta
Deal found 6/11$714
This Delta deal was found by Cheapflights users on 6/11. 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 8/311:05 pmHOU - FRA
1 stop12h 50mDelta
Tue 9/910:40 amFRA - HOU
1 stop13h 59mDelta
Deal found 6/11$714
This Gotogate deal was found by Cheapflights users on 6/11. 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.
Thu 10/93:35 pmIAH - FRA
Nonstop9h 40mLufthansa
Thu 10/2310:00 amFRA - IAH
Nonstop10h 35mLufthansa
Deal found 6/11$715
This CheapOair deal was found by Cheapflights users on 6/10. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/43:35 pmIAH - FRA
Nonstop9h 40mMultiple Airlines
Tue 9/309:55 amFRA - IAH
1 stop16h 47mMultiple Airlines
Deal found 6/10$719
This United Airlines deal was found by Cheapflights users on 6/11. 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 7/1512:50 pmIAH - FRA
1 stop13h 30mUnited Airlines
Tue 8/124:40 pmFRA - IAH
1 stop29h 05mUnited Airlines
Deal found 6/11$724
This Air France deal was found by Cheapflights users on 6/10. 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 France is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/43:30 pmIAH - FRA
1 stop15h 05mKLM
Wed 8/207:00 amFRA - IAH
2 stops15h 42mKLM
Deal found 6/10$725
This Ovago deal was found by Cheapflights users on 6/10. 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 7/234:25 pmHOU - FRA
1 stop33h 20mBritish Airways
Sun 8/246:40 amFRA - HOU
2 stops18h 20mBritish Airways
Deal found 6/10$725
This KLM deal was found by Cheapflights users on 6/10. 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.
Thu 7/3112:56 pmHOU - FRA
1 stop12h 59mKLM
Thu 8/1410:40 amFRA - HOU
1 stop13h 59mKLM
Deal found 6/10$727
This British Airways deal was found by Cheapflights users on 6/10. 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 7/73:26 pmIAH - FRA
2 stops16h 39mBritish Airways
Wed 8/136:55 pmFRA - IAH
1 stop25h 45mBritish Airways
Deal found 6/10$733
This American Airlines deal was found by Cheapflights users on 6/11. 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 8/410:13 amHOU - FRA
1 stop15h 32mAmerican Airlines
Wed 8/2010:55 amFRA - HOU
1 stop16h 04mAmerican Airlines
Deal found 6/11$734

Cheapflights Fare Finder

Customize your flight search to find flights from Houston 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 12, 2025.
Use the filters below to find and compare flights from Houston to Heidelberg that are best for you.

Fly from

Houston

Fly to

Heidelberg

Route

Depart

Return

Price

HoustonFrankfurt am Main

IAH - FRA

IAHFRA

Houston George Bush Intcntl

Sun 8/3

9:48 am-7:20 am

1 stop14h 32m

Frankfurt am Main

Sun 8/10

6:40 am-1:40 pm

1 stop14h 00m

$712

HoustonFrankfurt am Main

IAH - FRA

IAHFRA

Houston George Bush Intcntl

Tue 9/30

10:17 am-8:10 am

2 stops14h 53m

Frankfurt am Main

Thu 10/16

9:55 am-10:09 pm

2 stops19h 14m

$713

HoustonFrankfurt am Main

IAH - FRA

IAHFRA

Houston George Bush Intcntl

Sun 8/31

12:51 pm-9:50 am

1 stop13h 59m

Frankfurt am Main

Tue 9/9

11:00 am-5:51 pm

1 stop13h 51m

$714

HoustonFrankfurt am Main

HOU - FRA

HOUFRA

Houston Hobby

Sun 8/31

1:05 pm-8:55 am

1 stop12h 50m

Frankfurt am Main

Tue 9/9

10:40 am-5:39 pm

1 stop13h 59m

$714

HoustonFrankfurt am Main

IAH - FRA

IAHFRA

Houston George Bush Intcntl

Thu 10/9

3:35 pm-8:15 am

Nonstop9h 40m

Frankfurt am Main

Thu 10/23

10:00 am-1:35 pm

Nonstop10h 35m

$715

HoustonFrankfurt am Main

IAH - FRA

IAHFRA

Houston George Bush Intcntl

Thu 9/4

3:35 pm-8:15 am

Nonstop9h 40m

Frankfurt am Main

Tue 9/30

9:55 am-7:42 pm

1 stop16h 47m

$719

HoustonFrankfurt am Main

IAH - FRA

IAHFRA

Houston George Bush Intcntl

Tue 7/15

12:50 pm-9:20 am

1 stop13h 30m

Frankfurt am Main

Tue 8/12

4:40 pm-2:45 pm

1 stop29h 05m

$724

HoustonFrankfurt am Main

IAH - FRA

IAHFRA

Houston George Bush Intcntl

Mon 8/4

3:30 pm-1:35 pm

1 stop15h 05m

Frankfurt am Main

Wed 8/20

7:00 am-3:42 pm

2 stops15h 42m

$725

HoustonFrankfurt am Main

HOU - FRA

HOUFRA

Houston Hobby

Wed 7/23

4:25 pm-8:45 am

1 stop33h 20m

Frankfurt am Main

Sun 8/24

6:40 am-6:00 pm

2 stops18h 20m

$725

HoustonFrankfurt am Main

HOU - FRA

HOUFRA

Houston Hobby

Thu 7/31

12:56 pm-8:55 am

1 stop12h 59m

Frankfurt am Main

Thu 8/14

10:40 am-5:39 pm

1 stop13h 59m

$727

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/10

Showing 1-10 of 41 results
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Best time to book a flight from Houston to Heidelberg

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

How far ahead should I book a flight from Houston to Heidelberg?

Use this chart to determine the optimal time to book a round-trip flight from Houston to Heidelberg. Price data was last updated on June 9, 2025.

The best time to book flights from Houston to Heidelberg is 37 days before your desired departure date. The cost of your flight will likely increase significantly if you book two weeks in advance of your flight.

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

Currently, January is the cheapest month in which you can book a flight from Houston to Heidelberg (average of $729). Flying from Houston to Heidelberg in June is currently the most expensive (average of $1,088). 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 HOU to HE1?

Find hourly flight availability from Houston 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 12, 2025.

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

What is the cheapest day to fly from Houston to Heidelberg?

Use this chart to determine the cheapest time to fly round-trip from Houston to Heidelberg. Price data was last updated on December 16, 2024.

Travelers seeking maximum savings on their Houston to Heidelberg flight should consider departing on Tuesday evenings when fares are most often at their lowest. Saturday afternoons flights should be avoided if possible as fares are typically the most expensive at this time.

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 12, 2025.
Read through reviews of airlines operating flights from Houston 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.
8.0
Very good

Entertainment

7.9

Crew

8.5

Overall

8.0

Comfort

7.9

Boarding

8.2

Food

7.3

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
8.0
Very good
8.0
Very good

Entertainment

7.9

Crew

8.5

Overall

8.0

Comfort

7.9

Boarding

8.2

Food

7.3

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
8.0
Very good

Entertainment

7.9

Crew

8.5

Overall

8.0

Comfort

7.9

Boarding

8.2

Food

7.3

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
8.0
Very good

Entertainment

7.9

Crew

8.5

Overall

8.0

Comfort

7.9

Boarding

8.2

Food

7.3

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
8.0
Very good

Entertainment

7.9

Crew

8.5

Overall

8.0

Comfort

7.9

Boarding

8.2

Food

7.3

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
8.0
Very good

Entertainment

7.9

Crew

8.5

Overall

8.0

Comfort

7.9

Boarding

8.2

Food

7.3

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

Related info for your journey

Find useful and relevant information for your journey from Houston 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 Houston to Heidelberg one-way?

    $416 is the cheapest one-way deal found within the past few days, from British Airways. You may also be able to find cheap deals on Iberia and American Airlines, with prices starting from $419 and $419, respectively.

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

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

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

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

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

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

    Currently, January is the cheapest month in which you can book a flight from Houston to Heidelberg (average of $729). Flying from Houston to Heidelberg in June is currently the most expensive (average of $1,088). 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 7 airlines flying from Houston to Heidelberg

Discover the top 7 airlines that operate flights from Houston 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 12, 2025.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$452Average$1,060FlexibilityNo cancel feeOn-time71%
DeltaCheapest$482Average$936FlexibilityNo cancel feeOn-timeN/A
British AirwaysCheapest$536Average$797FlexibilityNo cancel feeOn-time70%
KLMCheapest$542Average$774FlexibilityNo cancel feeOn-time75%
United AirlinesCheapest$657Average$1,147FlexibilityNo cancel feeOn-time69%
Turkish AirlinesCheapest$694Average$883FlexibilityNo cancel feeOn-time77%
LufthansaCheapest$713Average$1,061FlexibilityNo cancel feeOn-time76%

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