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Southeast Europe

$605+ Cheap flights from Allentown (ABE) to Southeast Europe

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 1/22. Fares are subject to change and may not be available on all flights or dates of travel.
ABE — ATH
Dec 19 — Dec 261
Fri 12/19
Fri 12/26
1 adult, Economy
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Find flight deals from Allentown to Southeast Europe

Cheapest flights from Allentown to Southeast Europe
Explore the most affordable flight options available from Allentown to Southeast Europe. Find the lowest fares from popular airlines and budget airlines, with prices last updated on November 19, 2025.

This United Airlines deal was found by Cheapflights users on 11/17. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/51:00 pmABE - ATH
2 stops22h 05mUnited Airlines
Tue 12/96:25 amATH - ABE
2 stops22h 21mUnited Airlines
Deal found 11/17$707
This Delta deal was found by Cheapflights users on 11/17. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/56:25 amABE - ATH
2 stops27h 05mDelta
Mon 12/83:25 amATH - ABE
2 stops25h 46mDelta
Deal found 11/17$743
This Delta deal was found by Cheapflights users on 11/17. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/35:23 pmABE - OTP
2 stops35h 42mDelta
Sun 12/71:55 pmOTP - ABE
2 stops39h 16mDelta
Deal found 11/17$750
This American Airlines deal was found by Cheapflights users on 11/18. 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.
Wed 12/34:30 pmABE - OTP
2 stops20h 30mAmerican Airlines
Sun 12/77:35 amOTP - ABE
2 stops22h 31mAmerican Airlines
Deal found 11/18$751
This United Airlines deal was found by Cheapflights users on 11/19. 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.
Mon 12/85:22 pmABE - ATH
2 stops25h 18mUnited Airlines
Sun 12/142:00 pmATH - ABE
2 stops38h 46mUnited Airlines
Deal found 11/19$786
This KLM deal was found by Cheapflights users on 11/18. 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 KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/35:23 pmABE - ZAG
2 stops37h 47mKLM
Sun 12/75:30 pmZAG - ABE
2 stops34h 41mKLM
Deal found 11/18$829
This KLM deal was found by Cheapflights users on 11/17. 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 KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/512:54 pmABE - LJU
2 stops16h 46mKLM
Tue 12/912:50 pmLJU - ABE
2 stops39h 21mKLM
Deal found 11/17$1,116
This Delta deal was found by Cheapflights users on 11/18. 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 12/56:00 pmABE - BEG
2 stops23h 25mDelta
Tue 12/912:35 pmBEG - ABE
2 stops39h 36mDelta
Deal found 11/18$1,202
This Delta deal was found by Cheapflights users on 11/18. 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 12/512:54 pmABE - LJU
2 stops40h 46mDelta
Tue 12/912:50 pmLJU - ABE
2 stops39h 21mDelta
Deal found 11/18$1,442

Cheap flight deals from Allentown to Southeast Europe

Keep the following information in mind while searching for Allentown to Southeast Europe flight deals. Data was last updated November 19, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$605
(KLM)

One-way from

$427
(Delta)

Popular in

October

Cheapest in

February

Average price

$1,173
Provider with most accurate pricing for Allentown-Bethlehem-Athens Eleftherios V. flight deals.
Search Deals
Provider most trusted by Cheapflights users for Allentown-Bethlehem-Athens Eleftherios V. flights.
Search Deals
From Allentown-Bethlehem to Southeast Europe
Search Deals
One-way flight from Allentown-Bethlehem to Southeast Europe
Search Deals
Highest demand for flights based on searches. 9% potential increase in price ($116 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 6% potential price decrease ($70 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in November 2025
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Allentown to Southeast Europe 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 November 19, 2025.
Use the filters below to find and compare flights from Allentown to Southeast Europe that are best for you.

Fly from

Allentown

Fly to

Southeast Europe

Route

Depart

Return

Price

AllentownSofia

ABE - SOF

ABESOF

Allentown-Bethlehem

Thu 1/22

5:58 pm-2:05 pm

2 stops37h 07m

Sofia

Mon 1/26

7:00 am-10:50 pm

2 stops22h 50m

$605

AllentownAthens

ABE - ATH

ABEATH

Allentown-Bethlehem

Fri 12/5

1:00 pm-6:05 pm

2 stops22h 05m

Athens Eleftherios V.

Tue 12/9

6:25 am-9:46 pm

2 stops22h 21m

$707

AllentownAthens

ABE - ATH

ABEATH

Allentown-Bethlehem

Fri 12/5

6:25 am-4:30 pm

2 stops27h 05m

Athens Eleftherios V.

Mon 12/8

3:25 am-10:11 pm

2 stops25h 46m

$743

AllentownBucharest

ABE - OTP

ABEOTP

Allentown-Bethlehem

Wed 12/3

5:23 pm-12:05 pm

2 stops35h 42m

Bucharest Otopeni Intl

Sun 12/7

1:55 pm-10:11 pm

2 stops39h 16m

$750

AllentownBucharest

ABE - OTP

ABEOTP

Allentown-Bethlehem

Wed 12/3

4:30 pm-8:00 pm

2 stops20h 30m

Bucharest Otopeni Intl

Sun 12/7

7:35 am-11:06 pm

2 stops22h 31m

$751

AllentownAthens

ABE - ATH

ABEATH

Allentown-Bethlehem

Mon 12/8

5:22 pm-1:40 am

2 stops25h 18m

Athens Eleftherios V.

Sun 12/14

2:00 pm-9:46 pm

2 stops38h 46m

$786

AllentownBelgrade

ABE - BEG

ABEBEG

Allentown-Bethlehem

Mon 3/9

6:20 am-12:50 pm

2 stops25h 30m

Belgrade Nikola Tesla

Sun 3/15

1:50 pm-4:51 pm

2 stops32h 01m

$802

AllentownZagreb

ABE - ZAG

ABEZAG

Allentown-Bethlehem

Wed 12/3

5:23 pm-1:10 pm

2 stops37h 47m

Zagreb Franjo Tuđman

Sun 12/7

5:30 pm-10:11 pm

2 stops34h 41m

$829

AllentownLjubljana

ABE - LJU

ABELJU

Allentown-Bethlehem

Fri 12/5

12:54 pm-11:40 am

2 stops16h 46m

Ljubljana Joze Pucnik

Tue 12/9

12:50 pm-10:11 pm

2 stops39h 21m

$1,116

AllentownTirana

ABE - TIA

ABETIA

Allentown-Bethlehem

Thu 3/26

1:48 pm-11:55 am

2 stops41h 07m

Tirana Rinas

Mon 3/30

1:05 pm-12:14 am

2 stops41h 09m

$1,155

Flights are sorted by cheapest round-trip flights first.

Deals found on 11/17

Showing 1-10 of 19 results
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Best time to book a flight from Allentown to Southeast Europe

Have a flexible travel schedule? Discover the best time to fly to Southeast Europe 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 Southeast Europe

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

Currently, October is the cheapest month in which you can book a flight from Allentown to Southeast Europe (average of $233). Flying from Allentown to Southeast Europe in April is currently the most expensive (average of $528). 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 Southeast Europe. 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 Southeast Europe?

    Located just 3.9 mi from the city center, Allentown-Bethlehem (ABE) is the airport most travelers will use when flying to Southeast Europe from Allentown.

  • How long is the flight from Allentown to Southeast Europe?

    Departing from Allentown to Southeast Europe will take you 22h 05m. The distance between Allentown and Southeast Europe is about 4996 mi. Both multi-stop and nonstop flights can be found to your destination and back.

  • What are the most popular routes from Allentown to Southeast Europe?

    Most travelers choose Allentown-Bethlehem - Athens Eleftherios V., Allentown-Bethlehem - Sofia or Allentown-Bethlehem - Belgrade Nikola Tesla when deciding on the best route from Allentown to Southeast Europe.

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

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

  • How can I find direct flights from Allentown to Southeast Europe?

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

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

    Yes. Cheapflights offers flight deals from Allentown to Southeast Europe 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 Southeast Europe?

    Currently, October is the cheapest month in which you can book a flight from Allentown to Southeast Europe (average of $233). Flying from Allentown to Southeast Europe in April is currently the most expensive (average of $528). 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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