Cheap flights from Spain to Washington, D.C. from $343

The month of February is, on average, the cheapest month to fly to Washington, D.C. from Spain, with most prices found around $570. If you’re not able to fly to Washington, D.C. in February, then October is your next best option. Flight prices from Spain to Washington, D.C. during October average around $578.

On average, the least expensive day to fly to Washington, D.C. from Spain is on a Thursday. momondo users have found tickets for Thursday departures for as low as $778. 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 $1,070.

Fly from Madrid Barajas 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 $690 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 $536 on momondo.

Iberia, TAP AIR PORTUGAL, and British Airways 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 35% of people opting to fly with this airline when traveling to Washington, D.C.. Keep in mind that there are 5 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 14% 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 169 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.

Saturday 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, Iberia have had the least number of delays on this route over the last 12 months; with about 8% of their flights experiencing any sort of delay.

As of March 2026, there are 5 flights per day flying from Spain to Washington, D.C.. The most common time of day flights depart is 10:00AM, with 100% of flights taking off at noon.

39 flights are operational weekly from Spain to Washington, D.C. as of March 2026. The most popular departure day for this route is Tue, with 23% of flights per week taking off on this day.