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Heidelberg

$3,948+ Cheap flights from Killeen (GRK) to Heidelberg, Germany

This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 3/24. Fares are subject to change and may not be available on all flights or dates of travel.
GRK — FRA
jan 8 — jan 151
tors 1/8
tors 1/15
1 adult, Economy
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Cheap flight deals from Killeen to Heidelberg

Best flights from Killeen to Heidelberg
Discover carefully curated flight deals from Killeen to Heidelberg that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated december 9, 2025.

This American Airlines deal was found by Cheapflights users on 12/7. 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.
tis 3/247:00 amGRK - FRA
1 stop18h 15mAmerican Airlines
tis 4/710:55 amFRA - GRK
1 stop19h 26mAmerican Airlines
Deal found 12/7$3,948
This American Airlines deal was found by Cheapflights users on 12/8. 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.
ons 3/2511:56 amGRK - FRA
1 stop13h 19mAmerican Airlines
ons 4/810:55 amFRA - GRK
1 stop15h 46mAmerican Airlines
Deal found 12/8$3,948

Find flight deals from Killeen to Heidelberg

Keep the following information in mind while searching for Killeen to Heidelberg flight deals. Data was last updated december 9, 2025.

Round-trip from

$3,948
(American Airlines)
From Killeen Fort Hood Regional to Heidelberg
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Killeen 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 9, 2025.
Use the filters below to find and compare flights from Killeen to Heidelberg that are best for you.

Fly from

Killeen

Fly to

Heidelberg

Route

Depart

Return

Price

KilleenFrankfurt am Main

GRK - FRA

GRKFRA

Killeen Fort Hood Regional

tis 3/24

7:00 am-7:15 am

1 stop18h 15m

Frankfurt am Main

tis 4/7

10:55 am-11:21 pm

1 stop19h 26m

$3,948

KilleenFrankfurt am Main

GRK - FRA

GRKFRA

Killeen Fort Hood Regional

ons 3/25

11:56 am-7:15 am

1 stop13h 19m

Frankfurt am Main

ons 4/8

10:55 am-7:41 pm

1 stop15h 46m

$3,948

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/7

Best time to book a flight from Killeen to Heidelberg

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

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

Currently, March is the cheapest month in which you can book a flight from Killeen to Heidelberg (average of $501). Flying from Killeen to Heidelberg in June is currently the most expensive (average of $904). 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 GRK to HE1?

Find hourly flight availability from Killeen 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 9, 2025.

Unlike in the afternoon, when flights are generally more expensive, you can save up to 61% on flights from Killeen to Heidelberg by exploring options for tickets in the evening.

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 9, 2025.
Get a feel of what it's like to fly with American Airlines from Killeen to Heidelberg by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
American Airlines
7.2
Good
11,045 reviews

Food

6.5

Crew

8.0

Entertainment

6.9

Boarding

7.5

Overall

7.2

Comfort

7.2

Reviews

1 / 20
6.0
Good

sheila,Mar 2025

DFW - MSP

We were delayed for 3 hours with no real reason or offer for compensation
American Airlines
7.2
Good
11,045 reviews
American Airlines
7.2
Good
11,045 reviews

Food

6.5

Crew

8.0

Entertainment

6.9

Boarding

7.5

Overall

7.2

Comfort

7.2

Reviews

1 / 20
6.0
Good

sheila,Mar 2025

DFW - MSP

We were delayed for 3 hours with no real reason or offer for compensation

Related info for your journey

Find useful and relevant information for your journey from Killeen 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 Killeen to Heidelberg?

    Most people fly from Killeen Fort Hood Regional (GRK) if they book a flight from Killeen to Heidelberg. On average, Fort Hood Regional has 0 outbound flights to Heidelberg per day from 1 airline. Killeen Fort Hood Regional is conveniently located just 6.9 mi from Killeen’s city center.

  • How long is the flight from Killeen to Heidelberg?

    Departing from Killeen to Heidelberg will take you 18h 15m. There are 5254 mi between Killeen and Heidelberg.

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

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

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

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

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

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

    Currently, March is the cheapest month in which you can book a flight from Killeen to Heidelberg (average of $501). Flying from Killeen to Heidelberg in June is currently the most expensive (average of $904). 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 airline flying from Killeen to Heidelberg

Discover the top airline that operate flights from Killeen 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 9, 2025.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$757Average$1,005FlexibilityNo cancel feeOn-time71%

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