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$453+ Cheap flights from Allentown (ABE) 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 11/5. Fares are subject to change and may not be available on all flights or dates of travel.
ABE — FRA
Oct 11 — Oct 181
Sat 10/11
Sat 10/18
1 adult, Economy
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Cheap flight deals from Allentown to Heidelberg

Keep the following information in mind while searching for Allentown to Heidelberg flight deals. Data was last updated September 11, 2025.

Round-trip from

$634
(United Airlines)

One-way from

$453
(Delta)
From Allentown-Bethlehem to Heidelberg
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One-way flight from Allentown-Bethlehem to Heidelberg
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Find 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 September 11, 2025.

This United Airlines deal was found by Cheapflights users on 9/11. 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.
Sun 11/91:00 pmABE - FRA
1 stop11h 35mUnited Airlines
Fri 11/219:45 amFRA - ABE
2 stops41h 56mUnited Airlines
Deal found 9/11$634
This United Airlines deal was found by Cheapflights users on 9/11. 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.
Sun 10/261:00 pmABE - FRA
1 stop12h 35mUnited Airlines
Sun 11/28:40 amFRA - ABE
1 stop14h 07mUnited Airlines
Deal found 9/11$707
This United Airlines deal was found by Cheapflights users on 9/9. 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 10/86:30 amABE - FRA
1 stop21h 25mUnited Airlines
Mon 10/1312:40 pmFRA - ABE
1 stop15h 14mUnited Airlines
Deal found 9/9$772
This United Airlines deal was found by Cheapflights users on 9/10. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/156:30 amABE - FRA
1 stop18h 00mUnited Airlines
Sun 10/198:50 amFRA - ABE
1 stop31h 48mUnited Airlines
Deal found 9/10$779

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 September 11, 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

Sun 11/9

1:00 pm-6:35 am

1 stop11h 35m

Frankfurt am Main

Fri 11/21

9:45 am-9:41 pm

2 stops41h 56m

$634

AllentownFrankfurt am Main

ABE - FRA

ABEFRA

Allentown-Bethlehem

Sun 10/26

1:00 pm-6:35 am

1 stop12h 35m

Frankfurt am Main

Sun 11/2

8:40 am-4:47 pm

1 stop14h 07m

$707

AllentownFrankfurt am Main

ABE - FRA

ABEFRA

Allentown-Bethlehem

Wed 10/8

6:30 am-9:55 am

1 stop21h 25m

Frankfurt am Main

Mon 10/13

12:40 pm-9:54 pm

1 stop15h 14m

$772

AllentownFrankfurt am Main

ABE - FRA

ABEFRA

Allentown-Bethlehem

Wed 10/15

6:30 am-6:30 am

1 stop18h 00m

Frankfurt am Main

Sun 10/19

8:50 am-10:38 am

1 stop31h 48m

$779

AllentownFrankfurt am Main

ABE - FRA

ABEFRA

Allentown-Bethlehem

Tue 9/23

5:28 pm-9:55 am

1 stop34h 27m

Frankfurt am Main

Fri 9/26

9:55 am-4:53 pm

2 stops36h 58m

$1,923

AllentownFrankfurt am Main

ABE - FRA

ABEFRA

Allentown-Bethlehem

Wed 11/5

12:46 pm-8:40 am

1 stop13h 54m

$453

AllentownFrankfurt am Main

ABE - FRA

ABEFRA

Allentown-Bethlehem

Wed 11/12

12:56 pm-8:40 am

1 stop13h 44m

$453

AllentownFrankfurt am Main

ABE - FRA

ABEFRA

Allentown-Bethlehem

Tue 11/11

12:56 pm-8:40 am

1 stop13h 44m

$453

AllentownFrankfurt am Main

ABE - FRA

ABEFRA

Allentown-Bethlehem

Thu 11/13

12:56 pm-8:40 am

1 stop13h 44m

$543

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/9

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, January is the cheapest month in which you can book a flight from Allentown to Heidelberg (average of $729). Flying from Allentown to Heidelberg in June is currently the most expensive (average of $1,091). 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 September 11, 2025.

When flying from Allentown to Heidelberg, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

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 11h 35m. The distance from Allentown to Heidelberg is about 3909 mi.

  • 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, January is the cheapest month in which you can book a flight from Allentown to Heidelberg (average of $729). Flying from Allentown to Heidelberg in June is currently the most expensive (average of $1,091). 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.

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