Cheap flights from Newark Airport to Barcelona from $351

The cheapest month to fly to Barcelona-El Prat Airport from Newark Airport is in February. Flight prices, which tend to average around $517, 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 Newark Airport during January instead. Flights to Barcelona-El Prat Airport in January, while not as cheap as those in February, still average around $523.

The cheapest day to depart on your flight to Barcelona-El Prat Airport is on a Sunday when prices can be found for as low as $640. 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 $779. 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 Newark Airport in the evening is the least expensive time of day to depart. momondo users have found prices as low as $656 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 $856 on average. Flights to Barcelona-El Prat Airport from Newark Airport in the afternoon are generally more expensive because this time of day is more convenient for travelers’ schedules.

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

You are more likely to see cheaper flights to Barcelona-El Prat Airport from Newark Airport when booking week ahead of your departure date. In general, you can expect to find flights to Barcelona-El Prat Airport for around $738 when searching week out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Barcelona-El Prat Airport from Newark Airport for as low as $654 on momondo.

There are 3 cabin classes available to choose from on Newark Airport 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.

TAP AIR PORTUGAL, United Airlines, and Lufthansa are the most popular carriers operating from Newark to Barcelona-El Prat

United Airlines, TAP AIR PORTUGAL and Lufthansa are the top three most popular airlines that fly to Barcelona-El Prat Airport from Newark Airport according to our data. United Airlines is the first choice among our users, with 68% of people opting to fly with this airline when traveling to Barcelona-El Prat Airport. Keep in mind that there are 14 different airlines that fly to Barcelona-El Prat Airport on a routine basis, so you have a few additional options to choose from.

Historically, on average around 22% of flights between Newark and Barcelona have experienced a delay on any given week. The average delay length over the past 12 months has been 189 minutes.

Generally, flights departing in the early afternoon tend to experience fewer delays. Flights at night have, in the past, seen delays more frequently in comparison.

Monday is statistically the day of the week which experiences the fewest number of delays on this flight route. Wednesday has historically seen more delays on average compared to the rest of the week.

According to our data, United Airlines have had the least number of delays on this route over the last 12 months; with about 22% of their flights experiencing any sort of delay.

Lisbon (LIS) was the most common stop: 71% of momondo users choosing 1-stop flights on this route connected there.

Flights via Washington, D.C. (IAD) offer the lowest average round-trip price of $477.

Flights connecting via Paris (CDG) have the shortest average one-way travel time: 10h 00m.

Chicago (ORD) has the shortest average layover time for this route: 1h 13m.

As of September 2026, there are 3 flights per day flying from Newark Airport to Barcelona-El Prat Airport. The most common time of day flights depart is 7:00PM, with 100% of flights taking off in the evening.

21 flights are operational weekly from Newark Airport to Barcelona-El Prat Airport as of September 2026. The most popular departure day for this route is Mon, with 14% of flights per week taking off on this day.