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$453+ Cheap flights from Allentown (ABE) to Barcelona

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 9/28. Fares are subject to change and may not be available on all flights or dates of travel.
ABE — BCN
Oct 16 — Oct 231
Thu 10/16
Thu 10/23
1 adult, Economy
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Cheap flight deals from Allentown to Barcelona

Discover tips and strategies to find the most affordable flight options for your journey from Allentown (ABE) to Barcelona (S37). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated September 16, 2025.

Round-trip from

$562
(United Airlines)

One-way from

$453
(Delta)
From Allentown-Bethlehem to Barcelona
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One-way flight from Allentown-Bethlehem to Barcelona
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Find flight deals from Allentown to Barcelona

Cheapest flights from Allentown to Barcelona
Explore the most affordable flight options available from Allentown to Barcelona. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 16, 2025.

This United Airlines deal was found by Cheapflights users on 9/14. 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 10/291:00 pmABE - BCN
1 stop19h 10mUnited Airlines
Wed 11/51:50 pmBCN - ABE
2 stops32h 57mUnited Airlines
Deal found 9/14$562
This United Airlines deal was found by Cheapflights users on 9/15. 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.
Tue 9/236:37 amABE - BCN
2 stops19h 13mUnited Airlines
Mon 9/2912:10 pmBCN - ABE
2 stops34h 43mUnited Airlines
Deal found 9/15$858
This Delta deal was found by Cheapflights users on 9/15. 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.
Tue 9/2312:48 pmABE - BCN
2 stops20h 02mDelta
Mon 9/2911:35 amBCN - ABE
1 stop17h 06mDelta
Deal found 9/15$870
This United Airlines deal was found by Cheapflights users on 9/14. 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.
Tue 12/161:00 pmABE - BCN
2 stops14h 35mUnited Airlines
Tue 12/231:35 pmBCN - ABE
2 stops54h 20mUnited Airlines
Deal found 9/14$889
This United Airlines deal was found by Cheapflights users on 9/15. 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.
Sat 10/185:28 pmABE - BCN
2 stops32h 22mUnited Airlines
Sun 10/2612:35 pmBCN - ABE
2 stops28h 13mUnited Airlines
Deal found 9/15$895
This United Airlines deal was found by Cheapflights users on 9/15. 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 12/266:17 amABE - BCN
2 stops21h 18mUnited Airlines
Sat 1/35:50 amBCN - ABE
2 stops21h 57mUnited Airlines
Deal found 9/15$1,157
This KLM deal was found by Cheapflights users on 9/14. 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.
Tue 12/166:00 pmABE - BCN
1 stop32h 40mKLM
Tue 12/2310:55 amBCN - ABE
1 stop17h 51mKLM
Deal found 9/14$1,181

Cheapflights Fare Finder

 
Customize your flight search to find flights from Allentown to Barcelona 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 16, 2025.
Use the filters below to find and compare flights from Allentown to Barcelona that are best for you.

Fly from

Allentown

Fly to

Barcelona

Route

Depart

Return

Price

AllentownBarcelona

ABE - BCN

ABEBCN

Allentown-Bethlehem

Wed 10/29

1:00 pm-1:10 pm

1 stop19h 10m

Barcelona-El Prat

Wed 11/5

1:50 pm-4:47 pm

2 stops32h 57m

$562

AllentownBarcelona

ABE - BCN

ABEBCN

Allentown-Bethlehem

Thu 10/30

6:32 am-1:10 pm

1 stop25h 38m

Barcelona-El Prat

Thu 11/6

3:05 pm-11:48 am

1 stop26h 43m

$594

AllentownBarcelona

ABE - BCN

ABEBCN

Allentown-Bethlehem

Tue 12/16

1:00 pm-9:35 am

2 stops14h 35m

Barcelona-El Prat

Tue 12/23

1:35 pm-1:55 pm

2 stops54h 20m

$889

AllentownBarcelona

ABE - BCN

ABEBCN

Allentown-Bethlehem

Sat 10/18

5:28 pm-7:50 am

2 stops32h 22m

Barcelona-El Prat

Sun 10/26

12:35 pm-11:48 am

2 stops28h 13m

$895

AllentownBarcelona

ABE - BCN

ABEBCN

Allentown-Bethlehem

Fri 12/26

6:17 am-9:35 am

2 stops21h 18m

Barcelona-El Prat

Sat 1/3

5:50 am-9:47 pm

2 stops21h 57m

$1,157

AllentownBarcelona

ABE - BCN

ABEBCN

Allentown-Bethlehem

Tue 12/16

6:00 pm-8:40 am

1 stop32h 40m

Barcelona-El Prat

Tue 12/23

10:55 am-10:46 pm

1 stop17h 51m

$1,181

AllentownBarcelona

ABE - BCN

ABEBCN

Allentown-Bethlehem

Tue 12/16

12:54 pm-11:10 am

2 stops16h 16m

Barcelona-El Prat

Tue 12/23

10:55 am-10:46 pm

1 stop17h 51m

$1,247

AllentownBarcelona

ABE - BCN

ABEBCN

Allentown-Bethlehem

Tue 9/30

12:48 pm-9:20 am

1 stop14h 32m

$453

AllentownBarcelona

ABE - BCN

ABEBCN

Allentown-Bethlehem

Sun 9/28

12:48 pm-9:20 am

1 stop14h 32m

$453

AllentownBarcelona

ABE - BCN

ABEBCN

Allentown-Bethlehem

Wed 10/1

12:48 pm-7:15 am

1 stop12h 27m

$453

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/15

Showing 1-10 of 15 results
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Best time to book a flight from Allentown to Barcelona

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

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

Currently, January is the cheapest month in which you can book a flight from Allentown to Barcelona (average of $523). Flying from Allentown to Barcelona in June is currently the most expensive (average of $1,061). 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 BCN?

Find hourly flight availability from Allentown to Barcelona. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated September 16, 2025.

It’s typically best to fly out from Allentown to Barcelona in the afternoon. Doing so could potentially save you 35% on the flight price compared to flying in the morning, which is usually more expensive.

Related info for your journey

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

    For a flight from Allentown to Barcelona, you will be flying from Allentown-Bethlehem. Allentown-Bethlehem (ABE) is just 3.9 mi from the center of the city. Allentown-Bethlehem is the only Allentown airport and it handles 0 outbound flights to Barcelona per day. 0 airlines have flights to Barcelona from Allentown-Bethlehem on a regular basis.

  • How long is the flight from Allentown to Barcelona?

    For as low as $562, United Airlines can have you in Barcelona from Allentown in 19h 10m. The distance between Allentown and Barcelona is about 3895 mi.

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

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

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

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

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

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

    Currently, January is the cheapest month in which you can book a flight from Allentown to Barcelona (average of $523). Flying from Allentown to Barcelona in June is currently the most expensive (average of $1,061). 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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