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$379+ 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 3/15. Fares are subject to change and may not be available on all flights or dates of travel.
ABE — BCN
Feb 14 — Feb 211
Sat 2/14
Sat 2/21
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 January 15, 2026.

Round-trip from

$489
(United Airlines)

One-way from

$379
(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 January 15, 2026.

This United Airlines deal was found by Cheapflights users on 1/15. 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.
Sun 3/16:28 am
ABE
-
BCN
2 stops19h 52m
United Airlines
Sun 3/810:30 am
BCN
-
ABE
2 stops52h 26m
United Airlines
Deal found 1/15$489
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.
Sat 3/76:30 pm
ABE
-
BCN
2 stops37h 45m
United Airlines
Mon 3/1612:35 pm
BCN
-
ABE
2 stops50h 21m
United Airlines
Deal found 1/13$497
This United Airlines deal was found by Cheapflights users on 1/14. 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.
Sat 2/286:28 am
ABE
-
BCN
2 stops25h 47m
United Airlines
Sat 3/710:30 am
BCN
-
ABE
2 stops28h 26m
United Airlines
Deal found 1/14$498
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.
Fri 1/3011:30 am
ABE
-
BCN
2 stops20h 45m
United Airlines
Tue 2/31:35 pm
BCN
-
ABE
2 stops32h 47m
United Airlines
Deal found 1/12$523
This United Airlines deal was found by Cheapflights users on 1/15. 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.
Sun 2/86:15 am
ABE
-
BCN
2 stops21h 20m
United Airlines
Sun 2/156:50 am
BCN
-
ABE
2 stops20h 03m
United Airlines
Deal found 1/15$542
This KLM deal was found by Cheapflights users on 1/15. 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 KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 3/112:47 pm
ABE
-
BCN
1 stop13h 53m
KLM
Sun 3/810:55 am
BCN
-
ABE
1 stop17h 04m
KLM
Deal found 1/15$560
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.
Sat 3/76:30 pm
ABE
-
BCN
2 stops37h 45m
United Airlines
Sun 3/1512:35 pm
BCN
-
ABE
2 stops50h 21m
United Airlines
Deal found 1/13$704
This Air France 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 Air France is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/301:00 pm
ABE
-
BCN
2 stops16h 15m
Air France
Tue 8/1111:35 am
BCN
-
ABE
1 stop17h 21m
Air France
Deal found 1/12$734

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 January 15, 2026.
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

Sun 3/1

6:28 am-8:20 am

2 stops19h 52m

Barcelona-El Prat

Sun 3/8

10:30 am-9:56 am

2 stops52h 26m

$489

AllentownBarcelona

ABE - BCN

ABEBCN

Allentown-Bethlehem

Sat 3/7

6:30 pm-2:15 pm

2 stops37h 45m

Barcelona-El Prat

Mon 3/16

12:35 pm-9:56 am

2 stops50h 21m

$497

AllentownBarcelona

ABE - BCN

ABEBCN

Allentown-Bethlehem

Sat 2/28

6:28 am-2:15 pm

2 stops25h 47m

Barcelona-El Prat

Sat 3/7

10:30 am-8:56 am

2 stops28h 26m

$498

AllentownBarcelona

ABE - BCN

ABEBCN

Allentown-Bethlehem

Fri 1/30

11:30 am-2:15 pm

2 stops20h 45m

Barcelona-El Prat

Tue 2/3

1:35 pm-4:22 pm

2 stops32h 47m

$523

AllentownBarcelona

ABE - BCN

ABEBCN

Allentown-Bethlehem

Sun 2/8

6:15 am-9:35 am

2 stops21h 20m

Barcelona-El Prat

Sun 2/15

6:50 am-8:53 pm

2 stops20h 03m

$542

AllentownBarcelona

ABE - BCN

ABEBCN

Allentown-Bethlehem

Sun 3/1

12:47 pm-8:40 am

1 stop13h 53m

Barcelona-El Prat

Sun 3/8

10:55 am-10:59 pm

1 stop17h 04m

$560

AllentownBarcelona

ABE - BCN

ABEBCN

Allentown-Bethlehem

Sun 2/8

6:28 am-5:05 pm

2 stops28h 37m

Barcelona-El Prat

Sun 2/15

10:55 am-10:49 pm

1 stop17h 54m

$869

AllentownBarcelona

ABE - BCN

ABEBCN

Allentown-Bethlehem

Sun 3/15

12:49 pm-7:35 am

1 stop13h 46m

$379

AllentownBarcelona

ABE - BCN

ABEBCN

Allentown-Bethlehem

Wed 4/8

5:59 pm-12:50 pm

1 stop12h 51m

$419

AllentownBarcelona

ABE - BCN

ABEBCN

Allentown-Bethlehem

Sat 3/7

6:30 pm-2:05 pm

2 stops37h 35m

$421

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/13

Showing 1-10 of 18 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, November is the cheapest month in which you can book a flight from Allentown to Barcelona (average of $348). Flying from Allentown to Barcelona in June is currently the most expensive (average of $637). 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 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 $489, United Airlines can have you in Barcelona from Allentown in 19h 52m. 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, November is the cheapest month in which you can book a flight from Allentown to Barcelona (average of $348). Flying from Allentown to Barcelona in June is currently the most expensive (average of $637). 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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Alternative routes for Allentown to Barcelona

See prices for flight routes from nearby airports that may be better suited for you.
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