Cheap flights from Philadelphia to Barcelona from $397

The cheapest month to fly to Barcelona-El Prat Airport from Philadelphia is in November. Flight prices, which tend to average around $705, are often lower during this time because this is during the off-season. If you aren’t able to travel during the month of November, then book flights to Barcelona-El Prat Airport from Philadelphia during February instead. Flights to Barcelona-El Prat Airport in February, while not as cheap as those in November, still average around $746.

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 $891. 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 $1,106. 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 $897 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 $1,253 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 $954 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 $808 on momondo.

You could potentially save up to 11% on your flight if you consider stops on a Philadelphia to Barcelona-El Prat Airport flight.

As of May 2026, prices for Philadelphia to Barcelona-El Prat Airport flights are approximately 48% more expensive when compared to flights at the same time last year.

British Airways, Virgin Atlantic, and Delta are the most popular carriers 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 46% of people opting to fly with this airline when traveling to Barcelona-El Prat Airport. Keep in mind that there are 22 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: 71% 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 Madrid (MAD) have the shortest average one-way travel time: 10h 20m.

Madrid (MAD) has the shortest average layover time for this route: 1h 48m.

The number of flights available between Philadelphia and Barcelona-El Prat Airport is 4 per day as of May 2026. The most frequent departure time is 5:00PM, with 100% of daily flights leaving in the afternoon.

As of May 2026, there are 28 flights per week flying from Philadelphia to Barcelona-El Prat Airport. The most common day of the week flights depart is Mon, with 14% of flights taking off on this day.