Cheap flights from the United States to Barcelona from $284

The cheapest month to fly to Barcelona-El Prat Airport from United States is in January. Flight prices, which tend to average around $503, are often lower during this time because this is during the off-season. If you aren’t able to travel during the month of January, then book flights to Barcelona-El Prat Airport from United States during February instead. Flights to Barcelona-El Prat Airport in February, while not as cheap as those in January, still average around $529.

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 $552. 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 $663. 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 United States in the evening is the least expensive time of day to depart. momondo users have found prices as low as $586 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 $690 on average. Flights to Barcelona-El Prat Airport from United States in the afternoon are generally more expensive because this time of day is more convenient for travelers’ schedules.

Fly from Boston Logan Intl to Barcelona-El Prat for the best United States - Barcelona-El Prat flight prices

You are more likely to see cheaper flights to Barcelona-El Prat Airport from United States when booking weeks ahead of your departure date. In general, you can expect to find flights to Barcelona-El Prat Airport for around $564 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 United States for as low as $511 on momondo.

There are 4 cabin classes available to choose from on United States 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.

SWISS, LEVEL, and Iberia are the most popular carriers operating from United States to Barcelona-El Prat

Iberia, United Airlines and British Airways are the top three most popular airlines that fly to Barcelona-El Prat Airport from United States according to our data. Iberia is the first choice among our users, with 42% of people opting to fly with this airline when traveling to Barcelona-El Prat Airport. Keep in mind that there are 28 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 17% of flights between United States and Barcelona have experienced a delay on any given week. The average delay length over the past 12 months has been 186 minutes.

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

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

According to our data, LEVEL have had the least number of delays on this route over the last 12 months; with about 10% of their flights experiencing any sort of delay.

As of April 2026, there are 44 flights per day flying from United States to Barcelona-El Prat Airport. The most common time of day flights depart is 7:00PM, with 89% of flights taking off in the evening.

As of April 2026, 308 flights take off from United States and land in Barcelona-El Prat Airport each week. The most common flight departure day for this route is Fri, with 16% of weekly flights taking off on this day.