Cheap flights from Philadelphia to Barcelona from $257

The cheapest month to fly to Barcelona-El Prat Airport from Philadelphia is in February. Flight prices, which tend to average around $763, are often lower during this time because this is during the off-season. If you aren’t able to travel during the month of February, then book flights to Barcelona-El Prat Airport from Philadelphia during January instead. Flights to Barcelona-El Prat Airport in January, while not as cheap as those in February, still average around $798.

The cheapest day to depart on your flight to Barcelona-El Prat Airport is on a Monday when prices can be found for as low as $906. 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 $1,219. These prices are subject to change though, so be sure to set up a Price Alert for flights to Barcelona-El Prat Airport.

Flying to Barcelona-El Prat Airport from Philadelphia in the evening is the least expensive time of day to depart. momondo users have found prices as low as $949 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 $1,254 on average. Flights to Barcelona-El Prat Airport from Philadelphia in the afternoon are generally more expensive because this time of day is more convenient for travelers’ schedules.

Fly from Philadelphia to Barcelona-El Prat for the best Philadelphia - Barcelona-El Prat flight prices

You are more likely to see cheaper flights to Barcelona-El Prat Airport from Philadelphia when booking weeks ahead of your departure date. In general, you can expect to find flights to Barcelona-El Prat Airport for around $1,046 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Barcelona-El Prat Airport from Philadelphia for as low as $810 on momondo.

There are 3 cabin classes available to choose from on Philadelphia to Barcelona-El Prat Airport flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

You could potentially save up to 44% on your flight if you consider stops on a Philadelphia to Barcelona-El Prat Airport flight.

As of August 2026, prices for Philadelphia to Barcelona-El Prat Airport flights are approximately 15% cheaper when compared to flights at the same time last year.

Aer Lingus is the most popular carrier operating from Philadelphia to Barcelona-El Prat

Iberia, United Airlines and LEVEL are the top three most popular airlines that fly to Barcelona-El Prat Airport from Philadelphia according to our data. Iberia is the first choice among our users, with 39% of people opting to fly with this airline when traveling to Barcelona-El Prat Airport. Keep in mind that there are 21 different airlines that fly to Barcelona-El Prat Airport on a routine basis, so you have a few additional options to choose from.

London (LHR) was the most common stop: 67% of momondo users choosing 1-stop flights on this route connected there.

Flights via Frankfurt am Main (FRA) offer the lowest average round-trip price of $661.

Flights connecting via London (LHR) have the shortest average one-way travel time: 11h 05m.

Chicago (ORD) has the shortest average layover time for this route: 2h 22m.

The number of flights available between Philadelphia and Barcelona-El Prat Airport is 2 per day as of August 2026. The most frequent departure time is 5:00PM, with 100% of daily flights leaving in the afternoon.

As of August 2026, there are 20 flights per week flying from Philadelphia to Barcelona-El Prat Airport. The most common day of the week flights depart is Mon, with 20% of flights taking off on this day.