Cheap flights from Barcelona to Washington, D.C. from $381

The month of February is, on average, the cheapest month to fly to Washington, D.C. from Barcelona, with most prices found around $608. If you’re not able to fly to Washington, D.C. in February, then October is your next best option. Flight prices from Barcelona to Washington, D.C. during October average around $620.

On average, the least expensive day to fly to Washington, D.C. from Barcelona is on a Saturday. momondo users have found tickets for Saturday departures for as low as $847. However, this price may fluctuate depending on the airline, the season, and holidays. When flying out on a Sunday, the most expensive travel day of the week, you can expect to see flight prices from Barcelona to Washington, D.C. for around $1,044.

Fly from Barcelona-El Prat to Washington, D.C. Dulles Intl for the best Barcelona - Washington, D.C. flight prices

You are more likely to see cheaper flights to Washington, D.C. from Barcelona when booking weeks ahead of your departure date. In general, you can expect to find flights to Washington, D.C. for around $777 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Washington, D.C. from Barcelona for as low as $580 on momondo.

British Airways, Delta, and KLM are the most popular carriers operating from Barcelona to Washington, D.C.

Lufthansa, United Airlines and TAP AIR PORTUGAL are the top three most popular airlines that fly to Washington, D.C. from Barcelona according to our data. Lufthansa is the first choice among our users, with 45% of people opting to fly with this airline when traveling to Washington, D.C.. Keep in mind that there are 3 different airlines that fly to Washington, D.C. on a routine basis, so you have a few additional options to choose from.

Historically, on average around 18% of flights between Barcelona and Washington, D.C. have experienced a delay on any given week. The average delay length over the past 12 months has been 210 minutes.

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

Wednesday 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, United Airlines have had the least number of delays on this route over the last 12 months; with about 18% of their flights experiencing any sort of delay.

3 flights are operational daily from Barcelona to Washington, D.C. as of August 2026. The most popular departure time for this route is 11:00AM, with 100% of flights per day taking off at noon.

The number of flights available between Barcelona and Washington, D.C. is 21 per week as of August 2026. The most frequent departure day is Mon, with 14% of weekly flights leaving on this day.