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$618+ 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 9/12. Fares are subject to change and may not be available on all flights or dates of travel.
ABE — BCN
Aug 4 — Aug 111
Mon 8/4
Mon 8/11
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 July 30, 2025.

Round-trip from

$670
(United Airlines)

One-way from

$593
(United Airlines)
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 July 30, 2025.

This United Airlines deal was found by Cheapflights users on 7/30. 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 9/156:37 amABE - BCN
2 stops19h 43mUnited Airlines
Tue 9/2312:10 pmBCN - ABE
2 stops29h 48mUnited Airlines
Deal found 7/30$644
This Delta deal was found by Cheapflights users on 7/30. 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 9/1412:48 pmABE - BCN
1 stop14h 32mDelta
Thu 9/259:30 amBCN - ABE
1 stop14h 01mDelta
Deal found 7/30$663

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 July 30, 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

Mon 9/15

6:37 am-8:20 am

2 stops19h 43m

Barcelona-El Prat

Tue 9/23

12:10 pm-11:58 am

2 stops29h 48m

$644

AllentownBarcelona

ABE - BCN

ABEBCN

Allentown-Bethlehem

Sun 9/14

12:48 pm-9:20 am

1 stop14h 32m

Barcelona-El Prat

Thu 9/25

9:30 am-5:31 pm

1 stop14h 01m

$663

AllentownBarcelona

ABE - BCN

ABEBCN

Allentown-Bethlehem

Fri 9/12

6:37 am-8:20 am

2 stops19h 43m

$618

AllentownBarcelona

ABE - BCN

ABEBCN

Allentown-Bethlehem

Sat 11/1

12:46 pm-7:40 am

1 stop13h 54m

$2,078

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/29

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 $1,057). 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 July 30, 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.

Reviews of airlines servicing Barcelona

Get insights into the airlines that provide service to Barcelona. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Barcelona. Reviews last updated July 30, 2025.
Read through reviews of airlines operating flights from Allentown to Barcelona, such as Delta, KLM, and United Airlines. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very good
7,980 reviews

Entertainment

7.9

Food

7.3

Overall

8.0

Crew

8.5

Boarding

8.2

Comfort

7.9

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
Delta
8.0
Very good
7,980 reviews
Delta
8.0
Very good
7,980 reviews

Entertainment

7.9

Food

7.3

Overall

8.0

Crew

8.5

Boarding

8.2

Comfort

7.9

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
KLM
7.8
Good
1,383 reviews
Delta
8.0
Very good
7,980 reviews

Entertainment

7.9

Food

7.3

Overall

8.0

Crew

8.5

Boarding

8.2

Comfort

7.9

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
United Airlines
7.4
Good
8,896 reviews
Delta
8.0
Very good
7,980 reviews

Entertainment

7.9

Food

7.3

Overall

8.0

Crew

8.5

Boarding

8.2

Comfort

7.9

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

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.

  • What are the cheapest airlines flying from Allentown to Barcelona round-trip?

    United Airlines, at $670, was found to be the cheapest airline from Allentown to Barcelona.Alternate airlines to your destination round-trip include Delta and KLM.

  • 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 $1,057). 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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