HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Heidelberg

$556+ Cheap flights from Allentown (ABE) 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 1/21. Fares are subject to change and may not be available on all flights or dates of travel.
ABE — FRA
Jan 3 — Jan 101
Sat 1/3
Sat 1/10
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Allentown 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.

Cheap flight deals from Allentown to Heidelberg

Cheapest flights from Allentown to Heidelberg
Explore the most affordable flight options available from Allentown to Heidelberg. Find the lowest fares from popular airlines and budget airlines, with prices last updated on December 4, 2025.

This Delta deal was found by Cheapflights users on 12/4. 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.
Wed 12/106:25 amABE - FRA
1 stop20h 15mDelta
Mon 12/1510:15 amFRA - ABE
2 stops17h 56mDelta
Deal found 12/4$1,435
This United Airlines deal was found by Cheapflights users on 12/4. 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 12/246:17 amABE - FRA
2 stops18h 53mUnited Airlines
Tue 1/65:10 pmFRA - ABE
2 stops23h 31mUnited Airlines
Deal found 12/4$1,542
This Delta deal was found by Cheapflights users on 12/4. 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.
Wed 12/246:25 amABE - FRA
1 stop20h 15mDelta
Tue 1/66:55 amFRA - ABE
2 stops16h 23mDelta
Deal found 12/4$1,553
This United Airlines deal was found by Cheapflights users on 12/4. 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 12/101:00 pmABE - FRA
1 stop11h 35mUnited Airlines
Mon 12/1512:50 pmFRA - ABE
1 stop14h 56mUnited Airlines
Deal found 12/4$2,156

Find flight deals from Allentown to Heidelberg

Keep the following information in mind while searching for Allentown to Heidelberg flight deals. Data was last updated December 4, 2025.

Round-trip from

$556
(Delta)
From Allentown-Bethlehem to Heidelberg
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Allentown 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 4, 2025.
Use the filters below to find and compare flights from Allentown to Heidelberg that are best for you.

Fly from

Allentown

Fly to

Heidelberg

Route

Depart

Return

Price

AllentownFrankfurt am Main

ABE - FRA

ABEFRA

Allentown-Bethlehem

Wed 1/21

6:28 am-8:40 am

1 stop20h 12m

Frankfurt am Main

Wed 1/28

9:50 am-10:50 pm

1 stop19h 00m

$556

AllentownFrankfurt am Main

ABE - FRA

ABEFRA

Allentown-Bethlehem

Fri 1/23

6:28 am-8:40 am

1 stop20h 12m

Frankfurt am Main

Tue 1/27

9:50 am-10:50 pm

1 stop19h 00m

$581

AllentownFrankfurt am Main

ABE - FRA

ABEFRA

Allentown-Bethlehem

Sun 1/18

2:00 pm-8:40 am

1 stop12h 40m

Frankfurt am Main

Sun 1/25

9:50 am-10:50 pm

1 stop19h 00m

$606

AllentownFrankfurt am Main

ABE - FRA

ABEFRA

Allentown-Bethlehem

Wed 1/28

11:30 am-12:05 pm

2 stops18h 35m

Frankfurt am Main

Sun 2/1

5:10 pm-9:05 pm

2 stops33h 55m

$735

AllentownFrankfurt am Main

ABE - FRA

ABEFRA

Allentown-Bethlehem

Wed 12/10

12:54 pm-8:40 am

1 stop13h 46m

$7,998

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/4

Best time to book a flight from Allentown to Heidelberg

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

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

Currently, February is the cheapest month in which you can book a flight from Allentown to Heidelberg (average of $434). Flying from Allentown to Heidelberg in June is currently the most expensive (average of $761). 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 ABE to HE1?

Find hourly flight availability from Allentown 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 4, 2025.

Unlike at noon, when flights are generally more expensive, you can save up to 73% on flights from Allentown to Heidelberg by exploring options for tickets in the evening.

Related info for your journey

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

    Allentown-Bethlehem (ABE) is the airport you will fly out of if you book a flight from Allentown to Heidelberg. You should not have trouble finding flights to Heidelberg from Allentown-Bethlehem; the airport handles an average of 0 outbound flights to Heidelberg per day. You should also have plenty of airline options to choose from since 0 airlines have flights from the Allentown airport to Heidelberg. It is only a 3.9 mi journey to Allentown-Bethlehem (ABE) from Allentown’s city center.

  • How long is the flight from Allentown to Heidelberg?

    Departing from Allentown to Heidelberg will take you 12h 40m. The distance from Allentown to Heidelberg is about 3909 mi. This flight may include one or multiple stops.

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

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

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

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

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

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

    Currently, February is the cheapest month in which you can book a flight from Allentown to Heidelberg (average of $434). Flying from Allentown to Heidelberg in June is currently the most expensive (average of $761). 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 Allentown to Heidelberg

See prices for flight routes from nearby airports that may be better suited for you.
Newark to Frankfurt flights
John F Kennedy Intl to Frankfurt flights
Dulles Intl to Frankfurt flights
LaGuardia to Frankfurt flights
John F Kennedy Intl to Munich flights
Newark to Munich flights
Dulles Intl to Munich flights
Reagan-National to Frankfurt flights
LaGuardia to Munich flights
Philadelphia to Frankfurt flights
Reagan-National to Munich flights
Philadelphia to Munich flights
John F Kennedy Intl to Stuttgart flights
LaGuardia to Stuttgart flights
Newark to Stuttgart flights
Pittsburgh to Frankfurt flights
Dulles Intl to Stuttgart flights
Reagan-National to Stuttgart flights
Harrisburg to Frankfurt flights
Pittsburgh to Munich flights
Scranton to Frankfurt flights
Allentown to Frankfurt flights
Pittsburgh to Stuttgart flights
Allentown to Munich flights
Philadelphia to Stuttgart flights
Elmira to Frankfurt flights
State College to Frankfurt flights
Harrisburg to Munich flights
State College to Munich flights
Newark to Karlsruhe flights
Elmira to Munich flights
Scranton to Stuttgart flights
Allentown to Stuttgart flights
Williamsport to Frankfurt flights
Dulles Intl to Karlsruhe flights
Dulles Intl to Friedrichshafen flights

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.