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Heidelberg

$429+ 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 2/6. Fares are subject to change and may not be available on all flights or dates of travel.
ABE — FRA
Feb 7 — Feb 141
Sat 2/7
Sat 2/14
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 January 8, 2026.

Round-trip from

$561
(Delta)

One-way from

$429
(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 January 8, 2026.

This Delta deal was found by Cheapflights users on 1/7. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 2/1312:47 pmABE - FRA
1 stop13h 53mDelta
Sat 2/219:50 amFRA - ABE
1 stop18h 59mDelta
Deal found 1/7$611
This Delta deal was found by Cheapflights users on 1/7. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 3/205:59 pmABE - FRA
2 stops32h 51mDelta
Mon 3/307:00 amFRA - ABE
2 stops21h 59mDelta
Deal found 1/7$739
This Delta deal was found by Cheapflights users on 1/7. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/111:00 pmABE - FRA
1 stop13h 55mDelta
Thu 10/1510:40 amFRA - ABE
1 stop18h 06mDelta
Deal found 1/7$740
This Delta deal was found by Cheapflights users on 1/7. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/126:30 amABE - FRA
2 stops21h 20mDelta
Fri 10/1611:00 amFRA - ABE
2 stops31h 04mDelta
Deal found 1/7$744
This Delta deal was found by Cheapflights users on 1/7. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/105:40 pmABE - FRA
1 stop33h 15mDelta
Wed 10/1410:40 amFRA - ABE
1 stop18h 06mDelta
Deal found 1/7$745
This Delta deal was found by Cheapflights users on 1/7. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/105:40 pmABE - FRA
1 stop33h 15mDelta
Thu 10/1511:00 amFRA - ABE
2 stops31h 04mDelta
Deal found 1/7$750
This Delta deal was found by Cheapflights users on 1/7. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/101:00 pmABE - FRA
2 stops38h 50mDelta
Fri 10/1611:00 amFRA - ABE
2 stops31h 04mDelta
Deal found 1/7$755
This Delta deal was found by Cheapflights users on 1/7. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/111:00 pmABE - FRA
1 stop13h 55mDelta
Sun 10/1811:00 amFRA - ABE
2 stops41h 46mDelta
Deal found 1/7$786
This Delta deal was found by Cheapflights users on 1/7. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/101:00 pmABE - FRA
2 stops38h 50mDelta
Sun 10/1811:00 amFRA - ABE
2 stops41h 46mDelta
Deal found 1/7$791
This United Airlines deal was found by Cheapflights users on 1/7. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 1/3011:30 amABE - FRA
2 stops17h 35mUnited Airlines
Sun 2/15:10 pmFRA - ABE
2 stops47h 31mUnited Airlines
Deal found 1/7$792

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 January 8, 2026.
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

Fri 3/20

5:59 pm-7:50 am

2 stops32h 51m

Frankfurt am Main

Mon 3/30

7:00 am-10:59 pm

2 stops21h 59m

$739

AllentownFrankfurt am Main

ABE - FRA

ABEFRA

Allentown-Bethlehem

Fri 1/30

11:30 am-11:05 am

2 stops17h 35m

Frankfurt am Main

Sun 2/1

5:10 pm-10:41 am

2 stops47h 31m

$792

AllentownFrankfurt am Main

ABE - FRA

ABEFRA

Allentown-Bethlehem

Fri 3/20

5:26 pm-6:35 am

1 stop32h 09m

Frankfurt am Main

Sun 3/29

4:25 pm-9:17 pm

2 stops34h 52m

$897

AllentownFrankfurt am Main

ABE - FRA

ABEFRA

Allentown-Bethlehem

Fri 3/20

10:31 am-11:50 am

2 stops20h 19m

Frankfurt am Main

Sat 3/28

12:50 pm-8:58 pm

1 stop13h 08m

$1,070

AllentownFrankfurt am Main

ABE - FRA

ABEFRA

Allentown-Bethlehem

Fri 3/20

12:49 pm-8:40 am

1 stop14h 51m

Frankfurt am Main

Sun 3/29

10:40 am-10:59 pm

1 stop18h 19m

$1,126

AllentownFrankfurt am Main

ABE - FRA

ABEFRA

Allentown-Bethlehem

Tue 1/27

12:50 pm-8:40 am

1 stop13h 50m

Frankfurt am Main

Fri 1/30

10:40 am-10:50 pm

2 stops18h 10m

$1,228

AllentownFrankfurt am Main

ABE - FRA

ABEFRA

Allentown-Bethlehem

Tue 1/27

12:50 pm-8:40 am

1 stop13h 50m

Frankfurt am Main

Sat 1/31

10:15 am-10:10 pm

2 stops17h 55m

$1,272

AllentownFrankfurt am Main

ABE - FRA

ABEFRA

Allentown-Bethlehem

Fri 2/6

12:48 pm-8:40 am

1 stop13h 52m

$429

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/7

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 $455). Flying from Allentown to Heidelberg in June is currently the most expensive (average of $772). 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.

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 17h 35m. 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 $455). Flying from Allentown to Heidelberg in June is currently the most expensive (average of $772). 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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