Cheap flights from Spain to Washington, D.C. from $342

The month of February is, on average, the cheapest month to fly to Washington, D.C. from Spain, with most prices found around $592. If you’re not able to fly to Washington, D.C. in February, then November is your next best option. Flight prices from Spain to Washington, D.C. during November average around $618.

On average, the least expensive day to fly to Washington, D.C. from Spain is on a Wednesday. momondo users have found tickets for Wednesday departures for as low as $834. 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 Spain to Washington, D.C. for around $1,044.

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

You are more likely to see cheaper flights to Washington, D.C. from Spain 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 Spain for as low as $580 on momondo.

There are 3 cabin classes available to choose from on Spain to Washington, D.C. 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 32% on your flight if you consider stops on a Spain to Washington, D.C. flight.

Iberia, British Airways, and TAP AIR PORTUGAL are the most popular carriers operating from Spain to Washington, D.C.

United Airlines, Lufthansa and TAP AIR PORTUGAL are the top three most popular airlines that fly to Washington, D.C. from Spain according to our data. United Airlines is the first choice among our users, with 29% of people opting to fly with this airline when traveling to Washington, D.C.. Keep in mind that there are 6 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 15% of flights between Spain and Washington, D.C. have experienced a delay on any given week. The average delay length over the past 12 months has been 182 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.

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

According to our data, Iberia have had the least number of delays on this route over the last 12 months; with about 7% of their flights experiencing any sort of delay.

As of August 2026, there are 10 flights per day flying from Spain to Washington, D.C.. The most common time of day flights depart is 11:00AM, with 60% of flights taking off at noon.

70 flights are operational weekly from Spain to Washington, D.C. as of August 2026. The most popular departure day for this route is Fri, with 17% of flights per week taking off on this day.