Cheap flights from Baltimore to Barcelona from $234

The cheapest month to fly to Barcelona-El Prat Airport from Baltimore is in May. Flight prices, which tend to average around $543, are often lower during this time because this is during the off-season. If you aren’t able to travel during the month of May, then book flights to Barcelona-El Prat Airport from Baltimore during March instead. Flights to Barcelona-El Prat Airport in March, while not as cheap as those in May, still average around $589.

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 $774. 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 Saturday because tickets tend to average around $1,191. 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 Baltimore in the evening is the least expensive time of day to depart. momondo users have found prices as low as $900 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 $1,092 on average. Flights to Barcelona-El Prat Airport from Baltimore in the afternoon are generally more expensive because this time of day is more convenient for travelers’ schedules.

You are more likely to see cheaper flights to Barcelona-El Prat Airport from Baltimore when booking weeks ahead of your departure date. In general, you can expect to find flights to Barcelona-El Prat Airport for around $860 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 Baltimore for as low as $568 on momondo.

You could potentially save up to 38% on your flight if you consider stops on a Baltimore to Barcelona-El Prat Airport flight.

As of July 2026, prices for Baltimore to Barcelona-El Prat Airport flights are approximately 14% more expensive when compared to flights at the same time last year.

United Airlines is the most popular carrier operating from Baltimore/Washington to Barcelona-El Prat

United Airlines, TAP AIR PORTUGAL and British Airways are the top three most popular airlines that fly to Barcelona-El Prat Airport from Baltimore according to our data. United Airlines is the first choice among our users, with 51% of people opting to fly with this airline when traveling to Barcelona-El Prat Airport. Keep in mind that there are 15 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: 36% of momondo users choosing 1-stop flights on this route connected there.

Flights via Lisbon (LIS) offer the lowest average round-trip price of $631.

Flights connecting via London (LHR) have the shortest average one-way travel time: 10h 55m.

Reykjavik (KEF) has the shortest average layover time for this route: 1h 35m.