HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Heidelberg

$305+ 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 1/15. Fares are subject to change and may not be available on all flights or dates of travel.
HOU — FRA
Jan 17 — Jan 241
Sat 1/17
Sat 1/24
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Houston to Heidelberg with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

Cheapflights Tip: The best prices from Houston to Heidelberg are usually found in November or January, booked 8 days in advance, depart on a Wednesday or Tuesday and return on a Monday

Cheap 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 December 18, 2025.

This Kiwi.com deal was found by Cheapflights users on 12/16. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/278:36 amIAH - FRA
1 stop19h 49mMultiple Airlines
Mon 1/128:00 pmFRA - IAH
2 stops50h 08mMultiple Airlines
Deal found 12/16$771
This Kiwi.com deal was found by Cheapflights users on 12/16. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/298:36 amIAH - FRA
1 stop19h 49mMultiple Airlines
Thu 1/81:05 pmFRA - IAH
2 stops16h 48mMultiple Airlines
Deal found 12/16$1,060
This Kiwi.com deal was found by Cheapflights users on 12/16. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/298:36 amIAH - FRA
1 stop19h 49mMultiple Airlines
Wed 1/710:30 amFRA - IAH
2 stops35h 38mMultiple Airlines
Deal found 12/16$1,191
This Kiwi.com deal was found by Cheapflights users on 12/15. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/309:05 pmIAH - FRA
1 stop29h 25mMultiple Airlines
Wed 1/79:15 pmFRA - IAH
2 stops46h 29mMultiple Airlines
Deal found 12/15$1,276
This Kiwi.com deal was found by Cheapflights users on 12/16. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/288:36 amIAH - FRA
1 stop19h 39mMultiple Airlines
Thu 1/81:05 pmFRA - IAH
2 stops16h 48mMultiple Airlines
Deal found 12/16$1,298
This Kiwi.com deal was found by Cheapflights users on 12/16. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/298:36 amIAH - FRA
1 stop19h 49mMultiple Airlines
Tue 1/67:05 amFRA - IAH
2 stops23h 54mMultiple Airlines
Deal found 12/16$1,324
This KAYAK deal was found by Cheapflights users on 12/17. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/282:55 pmIAH - FRA
1 stop16h 00mTurkish Airlines
Wed 12/3110:55 amFRA - IAH
1 stop39h 15mTurkish Airlines
Deal found 12/17$1,354
This KAYAK deal was found by Cheapflights users on 12/17. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/282:55 pmIAH - FRA
1 stop19h 05mTurkish Airlines
Thu 1/17:05 amFRA - IAH
1 stop19h 05mTurkish Airlines
Deal found 12/17$1,355
This Flysmarter deal was found by Cheapflights users on 12/16. 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 Flysmarter is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/279:50 pmIAH - FRA
2 stops29h 15mAer Lingus
Mon 1/1210:45 amFRA - IAH
2 stops34h 20mAer Lingus
Deal found 12/16$1,370
This Kiwi.com deal was found by Cheapflights users on 12/17. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/288:36 amIAH - FRA
1 stop19h 39mMultiple Airlines
Wed 1/79:40 pmFRA - IAH
2 stops47h 13mMultiple Airlines
Deal found 12/17$1,372
This Kiwi.com deal was found by Cheapflights users on 12/17. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/248:36 amIAH - FRA
1 stop19h 49mMultiple Airlines
Wed 1/79:40 pmFRA - IAH
2 stops47h 13mMultiple Airlines
Deal found 12/17$1,383
This AirNGo deal was found by Cheapflights users on 12/16. 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 AirNGo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/273:25 pmHOU - FRA
1 stop34h 15mVirgin Atlantic
Mon 1/129:50 amFRA - HOU
1 stop19h 43mVirgin Atlantic
Deal found 12/16$1,813

Find flight deals from Houston to Heidelberg

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

Round-trip from

$688
(Mytrip)

One-way from

$305
(Kiwi.com)

Popular in

December

Cheapest in

November

Average price

$1,405
From Houston to Heidelberg
Search Deals
One-way flight from Houston to Heidelberg
Search Deals
High demand for flights, 2% potential price rise
Search Deals
Cheapest flight prices on average. 3% potential price decrease ($36 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in December 2025
Search Deals

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 December 18, 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

Tue 1/27

4:06 pm-9:50 am

2 stops34h 44m

Frankfurt am Main

Fri 1/30

3:15 pm-11:56 pm

2 stops39h 41m

$736

HoustonFrankfurt am Main

IAH - FRA

IAHFRA

Houston George Bush Intcntl

Wed 1/21

4:06 pm-9:50 am

2 stops34h 44m

Frankfurt am Main

Wed 1/28

3:15 pm-11:37 pm

2 stops39h 22m

$736

HoustonFrankfurt am Main

IAH - FRA

IAHFRA

Houston George Bush Intcntl

Thu 1/29

9:54 am-2:30 pm

2 stops21h 36m

Frankfurt am Main

Mon 2/2

3:15 pm-11:37 pm

2 stops39h 22m

$766

HoustonFrankfurt am Main

HOU - FRA

HOUFRA

Houston Hobby

Wed 3/18

2:05 pm-8:40 am

1 stop12h 35m

Frankfurt am Main

Wed 3/25

9:50 am-10:28 pm

1 stop18h 38m

$769

HoustonFrankfurt am Main

HOU - FRA

HOUFRA

Houston Hobby

Tue 3/17

10:35 am-8:40 am

1 stop16h 05m

Frankfurt am Main

Tue 3/24

9:50 am-10:28 pm

1 stop18h 38m

$769

HoustonFrankfurt am Main

HOU - FRA

HOUFRA

Houston Hobby

Wed 3/18

6:00 am-7:50 am

2 stops19h 50m

Frankfurt am Main

Thu 3/26

10:40 am-10:28 pm

2 stops17h 48m

$774

HoustonFrankfurt am Main

IAH - FRA

IAHFRA

Houston George Bush Intcntl

Tue 2/10

4:06 pm-7:45 pm

2 stops20h 39m

Frankfurt am Main

Tue 2/24

10:30 am-11:37 pm

2 stops20h 07m

$784

HoustonFrankfurt am Main

IAH - FRA

IAHFRA

Houston George Bush Intcntl

Thu 1/22

9:05 pm-10:15 pm

1 stop18h 10m

Frankfurt am Main

Wed 1/28

10:55 am-7:10 pm

1 stop39h 15m

$837

HoustonFrankfurt am Main

IAH - FRA

IAHFRA

Houston George Bush Intcntl

Sun 2/8

6:25 am-10:05 am

2 stops20h 40m

Frankfurt am Main

Tue 2/24

7:20 am-2:05 pm

1 stop13h 45m

$853

HoustonFrankfurt am Main

IAH - FRA

IAHFRA

Houston George Bush Intcntl

Mon 2/23

7:05 pm-9:05 pm

1 stop19h 00m

Frankfurt am Main

Fri 3/13

7:20 am-7:03 pm

2 stops17h 43m

$853

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/16

Showing 1-10 of 37 results
1
2
3
4

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 December 12, 2025.

The best time to book flights from Houston to Heidelberg is 8 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, March is the cheapest month in which you can book a flight from Houston to Heidelberg (average of $476). Flying from Houston to Heidelberg in June is currently the most expensive (average of $776). 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 December 18, 2025.

Unlike in the afternoon, when flights are generally more expensive, you can save up to 26% on flights from Houston to Heidelberg by exploring options for tickets in the evening.

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 Thursday at noon 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.

How much does it cost to fly round-trip from Houston to Heidelberg?

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 December 18, 2025.
Read reviews from past customers who have flown United Airlines, Turkish Airlines, and American Airlines from Houston to Heidelberg. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
United Airlines
7.4
Good
9,095 reviews

Entertainment

7.1

Boarding

7.7

Overall

7.4

Food

6.6

Crew

8.1

Comfort

7.3

Reviews

1 / 20
10.0
Excellent

Sunderesh,Dec 2025

AUS - EWR

Smooth flight from Austin to Newark. The crew was friendly.
United Airlines
7.4
Good
9,095 reviews
United Airlines
7.4
Good
9,095 reviews

Entertainment

7.1

Boarding

7.7

Overall

7.4

Food

6.6

Crew

8.1

Comfort

7.3

Reviews

1 / 20
10.0
Excellent

Sunderesh,Dec 2025

AUS - EWR

Smooth flight from Austin to Newark. The crew was friendly.
Turkish Airlines
7.3
Good
4,103 reviews
United Airlines
7.4
Good
9,095 reviews

Entertainment

7.1

Boarding

7.7

Overall

7.4

Food

6.6

Crew

8.1

Comfort

7.3

Reviews

1 / 20
10.0
Excellent

Sunderesh,Dec 2025

AUS - EWR

Smooth flight from Austin to Newark. The crew was friendly.
American Airlines
7.2
Good
11,054 reviews
United Airlines
7.4
Good
9,095 reviews

Entertainment

7.1

Boarding

7.7

Overall

7.4

Food

6.6

Crew

8.1

Comfort

7.3

Reviews

1 / 20
10.0
Excellent

Sunderesh,Dec 2025

AUS - EWR

Smooth flight from Austin to Newark. The crew was friendly.
Lufthansa
6.8
Okay
7,637 reviews
United Airlines
7.4
Good
9,095 reviews

Entertainment

7.1

Boarding

7.7

Overall

7.4

Food

6.6

Crew

8.1

Comfort

7.3

Reviews

1 / 20
10.0
Excellent

Sunderesh,Dec 2025

AUS - EWR

Smooth flight from Austin to Newark. The crew was friendly.
British Airways
6.7
Okay
7,586 reviews
United Airlines
7.4
Good
9,095 reviews

Entertainment

7.1

Boarding

7.7

Overall

7.4

Food

6.6

Crew

8.1

Comfort

7.3

Reviews

1 / 20
10.0
Excellent

Sunderesh,Dec 2025

AUS - EWR

Smooth flight from Austin to Newark. The crew was friendly.

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.

  • How long is the flight from Houston to Heidelberg?

    Scandinavian Airlines, Delta, and Turkish Airlines can get you from Houston to Heidelberg in just under 12h 35m. Your travel time can differ by up to 22h 09m. The distance from Houston to Heidelberg is about 5232 mi. Both multi-stop and nonstop flights can be found to your destination and back.

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

    $439 is the cheapest one-way deal found within the past few days, from United Airlines. You may also be able to find cheap deals on Air New Zealand and Turkish Airlines, with prices starting from $458 and $458, 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, March is the cheapest month in which you can book a flight from Houston to Heidelberg (average of $476). Flying from Houston to Heidelberg in June is currently the most expensive (average of $776). 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

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Houston to Heidelberg

See prices for flight routes from nearby airports that may be better suited for you.
Dallas/Fort Worth to Frankfurt flights
Hobby to Frankfurt flights
George Bush Intcntl to Frankfurt flights
Love Field to Frankfurt flights
Austin to Frankfurt flights
Dallas/Fort Worth to Munich flights
Hobby to Munich flights
Love Field to Munich flights
George Bush Intcntl to Munich flights
San Antonio to Frankfurt flights
El Paso to Frankfurt flights
Austin to Munich flights
San Antonio to Munich flights
Hobby to Stuttgart flights
George Bush Intcntl to Stuttgart flights
Dallas/Fort Worth to Stuttgart flights
Austin to Stuttgart flights
San Antonio to Stuttgart flights
El Paso to Munich flights
Laredo to Frankfurt flights
Love Field to Stuttgart flights
Corpus Christi to Munich flights
Corpus Christi to Frankfurt flights
Midland to Frankfurt flights
Brownsville to Munich flights
Midland to Stuttgart flights
McAllen to Munich flights
Harlingen to Munich flights
Brownsville to Stuttgart flights
Killeen to Stuttgart flights
Killeen to Munich flights
Killeen to Frankfurt flights
Waco to Munich flights

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 December 18, 2025.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$452Average$721FlexibilityNo cancel feeOn-time71%
British AirwaysCheapest$467Average$833FlexibilityNo cancel feeOn-time70%
DeltaCheapest$482Average$1,039FlexibilityNo cancel feeOn-timeN/A
KLMCheapest$652Average$926FlexibilityNo cancel feeOn-time75%
United AirlinesCheapest$671Average$1,076FlexibilityNo cancel feeOn-time69%
Turkish AirlinesCheapest$692Average$783FlexibilityNo cancel feeOn-time77%
LufthansaCheapest$713Average$1,101FlexibilityNo cancel feeOn-time76%

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.