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$422+ Cheap flights from Allentown (ABE) to Belgium

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 7/8. Fares are subject to change and may not be available on all flights or dates of travel.
ABE — BRU
Feb 13 — Feb 201
Fri 2/13
Fri 2/20
1 adult, Economy
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Cheap flight deals from Allentown to Belgium

Keep the following information in mind while searching for Allentown to Belgium flight deals. Data was last updated January 14, 2026.

Round-trip from

$505
(United Airlines)

One-way from

$422
(Delta)
From Allentown-Bethlehem to Belgium
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One-way flight from Allentown-Bethlehem to Belgium
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Find flight deals from Allentown to Belgium

Cheapest flights from Allentown to Belgium
Explore the most affordable flight options available from Allentown to Belgium. Find the lowest fares from popular airlines and budget airlines, with prices last updated on January 14, 2026.

This United Airlines deal was found by Cheapflights users on 1/12. 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.
Thu 2/266:28 am
ABE
-
BRU
2 stops24h 47m
United Airlines
Thu 3/510:10 am
BRU
-
ABE
1 stop29h 46m
United Airlines
Deal found 1/12$505
This United Airlines deal was found by Cheapflights users on 1/11. 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.
Fri 2/611:30 am
ABE
-
BRU
2 stops19h 45m
United Airlines
Tue 2/1010:00 am
BRU
-
ABE
2 stops36h 22m
United Airlines
Deal found 1/11$535
This Delta deal was found by Cheapflights users on 1/12. 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 9/96:30 am
ABE
-
BRU
1 stop19h 10m
Delta
Wed 9/169:45 am
BRU
-
ABE
1 stop19h 11m
Delta
Deal found 1/12$601
This Delta deal was found by Cheapflights users on 1/13. 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.
Thu 2/512:48 pm
ABE
-
BRU
2 stops15h 22m
Delta
Wed 2/118:05 am
BRU
-
ABE
2 stops15h 09m
Delta
Deal found 1/13$625
This KLM deal was found by Cheapflights users on 1/12. 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 9/231:00 pm
ABE
-
BRU
1 stop12h 40m
KLM
Mon 9/289:45 am
BRU
-
ABE
1 stop19h 11m
KLM
Deal found 1/12$661
This United Airlines deal was found by Cheapflights users on 1/13. 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 1/146:15 am
ABE
-
BRU
2 stops25h 00m
United Airlines
Wed 1/2110:10 am
BRU
-
ABE
1 stop16h 55m
United Airlines
Deal found 1/13$705

Cheapflights Fare Finder

 
Customize your flight search to find flights from Allentown to Belgium 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 14, 2026.
Use the filters below to find and compare flights from Allentown to Belgium that are best for you.

Fly from

Allentown

Fly to

Belgium

Route

Depart

Return

Price

AllentownBrussels

ABE - BRU

ABEBRU

Allentown-Bethlehem

Fri 2/27

6:28 am-1:15 pm

2 stops24h 47m

Brussels Bruxelles-National

Fri 3/6

10:10 am-4:51 pm

1 stop12h 41m

$505

AllentownBrussels

ABE - BRU

ABEBRU

Allentown-Bethlehem

Thu 2/26

5:23 pm-1:15 pm

2 stops37h 52m

Brussels Bruxelles-National

Thu 3/5

10:00 am-8:50 pm

2 stops40h 50m

$508

AllentownBrussels

ABE - BRU

ABEBRU

Allentown-Bethlehem

Fri 2/6

11:30 am-1:15 pm

2 stops19h 45m

Brussels Bruxelles-National

Tue 2/10

10:00 am-4:22 pm

2 stops36h 22m

$535

AllentownBrussels

ABE - BRU

ABEBRU

Allentown-Bethlehem

Thu 2/5

12:48 pm-10:10 am

2 stops15h 22m

Brussels Bruxelles-National

Wed 2/11

8:05 am-5:14 pm

2 stops15h 09m

$625

AllentownBrussels

ABE - BRU

ABEBRU

Allentown-Bethlehem

Mon 6/8

6:30 am-7:40 am

1 stop19h 10m

Brussels Bruxelles-National

Sun 6/14

9:45 am-5:17 pm

1 stop13h 32m

$983

AllentownBrussels

ABE - BRU

ABEBRU

Allentown-Bethlehem

Mon 6/8

6:30 am-7:40 am

1 stop19h 10m

Brussels Bruxelles-National

Sun 6/14

9:45 am-5:17 pm

1 stop13h 32m

$983

AllentownBrussels

ABE - BRU

ABEBRU

Allentown-Bethlehem

Wed 7/8

6:30 am-7:40 am

1 stop19h 10m

$422

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/13

Best time to book a flight from Allentown to Belgium

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

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

Currently, February is the cheapest month in which you can book a flight from Allentown to Belgium (average of $312). Flying from Allentown to Belgium in June is currently the most expensive (average of $785). 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 Belgium. 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 Belgium?

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

  • How long is the flight from Allentown to Belgium?

    Airlines like United Airlines fly from Allentown to Belgium in about 24h 47m. The time it takes to get you to your destination can typically vary by up to . The distance between Allentown and Belgium is about 3721 mi.

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

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

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

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

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

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

    Currently, February is the cheapest month in which you can book a flight from Allentown to Belgium (average of $312). Flying from Allentown to Belgium in June is currently the most expensive (average of $785). 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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