Cheap flights from Los Angeles to Barcelona from $334

The cheapest month to fly to Barcelona-El Prat Airport from Los Angeles is in October. Flight prices, which tend to average around $601, are often lower during this time because this is during the off-season. If you aren’t able to travel during the month of October, then book flights to Barcelona-El Prat Airport from Los Angeles during September instead. Flights to Barcelona-El Prat Airport in September, while not as cheap as those in October, still average around $607.

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 $695. 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 Thursday because tickets tend to average around $844. 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 Los Angeles in the evening is the least expensive time of day to depart. momondo users have found prices as low as $801 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 $1,043 on average. Flights to Barcelona-El Prat Airport from Los Angeles in the afternoon are generally more expensive because this time of day is more convenient for travelers’ schedules.

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

You are more likely to see cheaper flights to Barcelona-El Prat Airport from Los Angeles when booking weeks ahead of your departure date. In general, you can expect to find flights to Barcelona-El Prat Airport for around $771 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 Los Angeles for as low as $681 on momondo.

There are 2 cabin classes available to choose from on Los Angeles to Barcelona-El Prat 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 17% on your flight if you consider stops on a Los Angeles to Barcelona-El Prat Airport flight.

As of March 2026, prices for Los Angeles to Barcelona-El Prat Airport flights are approximately 2% cheaper when compared to flights at the same time last year.

TAP AIR PORTUGAL and United Airlines are the most popular carriers operating from Los Angeles to Barcelona-El Prat

Iberia, LEVEL and Vueling are the top three most popular airlines that fly to Barcelona-El Prat Airport from Los Angeles according to our data. Iberia is the first choice among our users, with 50% 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.

Historically, on average around 11% of flights between Los Angeles and Barcelona have experienced a delay on any given week. The average delay length over the past 12 months has been 207 minutes.

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

Tuesday is statistically the day of the week which experiences the fewest number of delays on this flight route. Thursday 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 11% of their flights experiencing any sort of delay.

Lisbon (LIS) was the most common stop: 32% of momondo users choosing 1-stop flights on this route connected there.

Flights via Lisbon (LIS) offer the lowest average round-trip price of $556.

Flights connecting via Chicago (ORD) have the shortest average one-way travel time: 13h 45m.

Chicago (ORD) has the shortest average layover time for this route: 1h 21m.