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Cheap flights from Allentown to Barcelona from $371

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Allentown to Barcelona departing on 9/5. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
1 adult, Economy, 0 bags

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Find the cheapest flights from Allentown to Barcelona

Cheap round-trip flights

Enter your travel dates to find the best prices.
United Airlines Logo
2:25 pm - 1:15 pm
ABE
-
BCN
16h 50m
1 stop
United Airlines Logo
12:15 pm - 1:38 pm
BCN
-
ABE
31h 23m
2 stops
$756United Airlines
Tue, May 5 - Tue, May 12
United Airlines Logo
5:43 pm - 1:15 pm
ABE
-
BCN
13h 32m
1 stop
United Airlines Logo
6:40 am - 9:17 pm
BCN
-
ABE
20h 37m
2 stops
$780United Airlines
Sun, Apr 19 - Sun, Apr 26
United Airlines Logo
6:15 am - 8:20 am
ABE
-
BCN
20h 05m
2 stops
United Airlines Logo
8:00 am - 9:48 am
BCN
-
ABE
31h 48m
2 stops
$785United Airlines
Sun, Apr 19 - Sun, Apr 26
United Airlines Logo
5:43 pm - 10:25 pm
ABE
-
BCN
22h 42m
2 stops
United Airlines Logo
1:50 pm - 9:48 am
BCN
-
ABE
25h 58m
2 stops
$787United Airlines
Wed, Apr 22 - Tue, Apr 28
United Airlines Logo
2:25 pm - 10:25 pm
ABE
-
BCN
26h 00m
2 stops
United Airlines Logo
3:15 pm - 1:38 pm
BCN
-
ABE
28h 23m
1 stop
$789United Airlines
Wed, May 6 - Wed, May 13
United Airlines Logo
5:43 pm - 5:55 pm
ABE
-
BCN
18h 12m
2 stops
United Airlines Logo
3:15 pm - 9:48 am
BCN
-
ABE
24h 33m
1 stop
$790United Airlines
Wed, Apr 22 - Tue, Apr 28
United Airlines Logo
2:25 pm - 3:35 pm
ABE
-
BCN
19h 10m
2 stops
United Airlines Logo
8:00 am - 8:58 pm
BCN
-
ABE
18h 58m
2 stops
$799United Airlines
Tue, May 5 - Tue, May 12
United Airlines Logo
5:36 pm - 10:25 pm
ABE
-
BCN
22h 49m
2 stops
United Airlines Logo
6:40 am - 10:06 am
BCN
-
ABE
33h 26m
2 stops
$814United Airlines
Wed, Sep 2 - Sat, Sep 12
KLM Logo
12:52 pm - 12:50 pm
ABE
-
BCN
17h 58m
1 stop
KLM Logo
11:00 am - 11:00 pm
BCN
-
ABE
18h 00m
1 stop
$886KLM
Sun, Apr 19 - Sun, Apr 26
United Airlines Logo
5:40 pm - 1:15 pm
ABE
-
BCN
13h 35m
1 stop
United Airlines Logo
8:00 am - 8:58 pm
BCN
-
ABE
18h 58m
2 stops
$890United Airlines
Sun, May 3 - Sun, May 10

United Airlines flights from Allentown to Barcelona-El Prat Airport

Our best United Airlines deals on Allentown to Barcelona-El Prat Airport flight tickets
United Airlines
May 5
ABE2:25 pmAllentown-Bethlehem
16h 50m
1 stop
BCN1:15 pmBarcelona-El Prat
May 12
BCN12:15 pmBarcelona-El Prat
31h 23m
2 stops
ABE1:38 pmAllentown-Bethlehem
$756
United Airlines
Apr 19
ABE5:43 pmAllentown-Bethlehem
13h 32m
1 stop
BCN1:15 pmBarcelona-El Prat
Apr 26
BCN6:40 amBarcelona-El Prat
20h 37m
2 stops
ABE9:17 pmAllentown-Bethlehem
$780
United Airlines
Apr 19
ABE6:15 amAllentown-Bethlehem
20h 05m
2 stops
BCN8:20 amBarcelona-El Prat
Apr 26
BCN8:00 amBarcelona-El Prat
31h 48m
2 stops
ABE9:48 amAllentown-Bethlehem
$785

Delta flights from Allentown to Barcelona-El Prat Airport

Our best Delta deals on Allentown to Barcelona-El Prat Airport flight tickets
Delta
Jun 28
ABE1:00 pmAllentown-Bethlehem
17h 50m
1 stop
BCN12:50 pmBarcelona-El Prat
Jul 2
BCN11:00 amBarcelona-El Prat
17h 56m
1 stop
ABE10:56 pmAllentown-Bethlehem
$991
Delta
Jun 29
ABE6:30 amAllentown-Bethlehem
20h 30m
2 stops
BCN9:00 amBarcelona-El Prat
Jul 2
BCN11:00 amBarcelona-El Prat
17h 56m
1 stop
ABE10:56 pmAllentown-Bethlehem
$995
Delta
Jun 28
ABE5:40 pmAllentown-Bethlehem
33h 20m
2 stops
BCN9:00 amBarcelona-El Prat
Jul 2
BCN11:00 amBarcelona-El Prat
17h 56m
1 stop
ABE10:56 pmAllentown-Bethlehem
$1,001

momondo Fare Finder

 
Customize your flight search to find flights from Allentown to Barcelona-El Prat Airport 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, momondo users made 832,500 searches. Data last updated March 23, 2026.
Use the filters below to find and compare flights from Allentown to Barcelona-El Prat Airport that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

AllentownBarcelona

ABE - BCN

ABEBCN

Allentown-Bethlehem

Tue 5/5

2:25 pm-1:15 pm

1 stop16h 50m

Barcelona-El Prat

Tue 5/12

12:15 pm-1:38 pm

2 stops31h 23m

$756

AllentownBarcelona

ABE - BCN

ABEBCN

Allentown-Bethlehem

Sun 4/19

5:43 pm-1:15 pm

1 stop13h 32m

Barcelona-El Prat

Sun 4/26

6:40 am-9:17 pm

2 stops20h 37m

$780

AllentownBarcelona

ABE - BCN

ABEBCN

Allentown-Bethlehem

Sun 4/19

6:15 am-8:20 am

2 stops20h 05m

Barcelona-El Prat

Sun 4/26

8:00 am-9:48 am

2 stops31h 48m

$785

AllentownBarcelona

ABE - BCN

ABEBCN

Allentown-Bethlehem

Wed 4/22

5:43 pm-10:25 pm

2 stops22h 42m

Barcelona-El Prat

Tue 4/28

1:50 pm-9:48 am

2 stops25h 58m

$787

AllentownBarcelona

ABE - BCN

ABEBCN

Allentown-Bethlehem

Wed 5/6

2:25 pm-10:25 pm

2 stops26h 00m

Barcelona-El Prat

Wed 5/13

3:15 pm-1:38 pm

1 stop28h 23m

$789

AllentownBarcelona

ABE - BCN

ABEBCN

Allentown-Bethlehem

Wed 4/22

5:43 pm-5:55 pm

2 stops18h 12m

Barcelona-El Prat

Tue 4/28

3:15 pm-9:48 am

1 stop24h 33m

$790

AllentownBarcelona

ABE - BCN

ABEBCN

Allentown-Bethlehem

Tue 5/5

2:25 pm-3:35 pm

2 stops19h 10m

Barcelona-El Prat

Tue 5/12

8:00 am-8:58 pm

2 stops18h 58m

$799

AllentownBarcelona

ABE - BCN

ABEBCN

Allentown-Bethlehem

Wed 9/2

5:36 pm-10:25 pm

2 stops22h 49m

Barcelona-El Prat

Sat 9/12

6:40 am-10:06 am

2 stops33h 26m

$814

AllentownBarcelona

ABE - BCN

ABEBCN

Allentown-Bethlehem

Sun 4/19

12:52 pm-12:50 pm

1 stop17h 58m

Barcelona-El Prat

Sun 4/26

11:00 am-11:00 pm

1 stop18h 00m

$886
Quickest round-trip

AllentownBarcelona

ABE - BCN

ABEBCN

Allentown-Bethlehem

Sun 5/3

5:40 pm-1:15 pm

1 stop13h 35m

Barcelona-El Prat

Sun 5/10

8:00 am-8:58 pm

2 stops18h 58m

$890

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to Barcelona from

How to get the cheapest flight ticket from Allentown to Barcelona-El Prat Airport

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the cheapest day to depart on your flight to Barcelona-El Prat Airport?

The cheapest day to depart on your flight to Barcelona-El Prat Airport is on a Tuesday when prices can be found for as low as $562. This is often the case because there is less demand to fly during this day of the week. If your travel schedule is flexible, try to avoid departing on a Friday because tickets tend to average around $674. These prices are subject to change though, so be sure to set up a Price Alert for flights to Barcelona-El Prat Airport.

What is the cheapest time of day to depart on your flight to Barcelona-El Prat Airport?

Flying to Barcelona-El Prat Airport from Allentown in the evening is the least expensive time of day to depart. momondo users have found prices as low as $598 when looking at flights departing in the evening. If you have a flexible travel schedule, then try to avoid flying in the afternoon when prices are $695 on average. Flights to Barcelona-El Prat Airport from Allentown in the afternoon are generally more expensive because this time of day is more convenient for travelers’ schedules.

When to book flights from Allentown to Barcelona-El Prat Airport

Are you open to changing your travel dates? Check out the ideal times to fly from Allentown to Barcelona-El Prat Airport according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap Allentown to Barcelona-El Prat Airport (ABE to BCN) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Allentown to Barcelona-El Prat Airport

Fastest flight time

12h 35m

Direct flights

None
The fastest flight from Allentown to Barcelona-El Prat Airport takes 12h 35m
There are no direct flights from Allentown to Barcelona-El Prat Airport. There are no popular flight routes from Allentown to Barcelona-El Prat Airport.
Search flight deals

  • How far is Allentown-Bethlehem to Barcelona-El Prat by plane?

    The straight-line distance from Allentown-Bethlehem to Barcelona-El Prat is 3898.6 mi. 12h 35m is a normal flight duration for this route.

  • When did momondo last update prices for flights from Allentown-Bethlehem Airport to Barcelona-El Prat Airport?

    Prices for flights from Allentown-Bethlehem Airport to Barcelona-El Prat Airport are updated daily.

  • How old do you have to be to fly from Allentown-Bethlehem Airport to Barcelona-El Prat Airport?

    Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Allentown-Bethlehem Airport to Barcelona-El Prat Airport.

  • What documentation or ID do you need to fly to Barcelona-El Prat Airport?

    The travel and health documents required for your trip to Barcelona-El Prat Airport can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Barcelona-El Prat Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

Traveling to a place near Barcelona?

Book flights to Barcelona if you plan to visit one of these locations
Lloret de Mar
Sitges
Salou
Tossa de Mar
Castelldefels
Tarragona
El Prat de Llobregat
L'Hospitalet de Llobregat
Calella
Santa Susanna
Cadaques
Cambrils
Badalona
Pals
Pineda de Mar
Empuriabrava
Roses
Calella de Palafrugell
Palafrugell
Malgrat de Mar

Why use momondo?

Why should I use momondo to find a flight deal from Allentown to Barcelona?

It is quick and easy to find Allentown to Barcelona flights on momondo. We search and return numerous flight options from various airlines and agents. You can then use our filters to narrow your search until you have found the most convenient flight to Barcelona that suits you.

Can I find flights from Allentown to Barcelona with flexible booking policies on momondo?

Flights from Allentown to Barcelona with flexible booking policies can be found by using the search form above and then selecting our dedicated flexible booking filter, which will highlight only the flights where this policy is applied.

How can momondo help me find flights from Allentown to Barcelona?

momondo helps you find the best flight between Allentown and Barcelona by providing filters to narrow your choice of flights to those matching your criteria. You can select flights based on numerous factors such as price, departure and landing times, airport and airline.

I’m not ready to book a flight from Allentown to Barcelona right now. Can momondo alert me if prices change?

If you are simply researching potential flights to Barcelona, momondo offers a useful price alert feature which will track prices for flights to Barcelona from Allentown and alert you when they change.

An easier way to manage your Barcelona-El Prat Airport trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.
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