Cheap flights from Spain to Washington, D.C. from $340

The month of February is, on average, the cheapest month to fly to Washington, D.C. from Spain, with most prices found around $589. 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 $613.

On average, the least expensive day to fly to Washington, D.C. from Spain is on a Tuesday. momondo users have found tickets for Tuesday departures for as low as $699. 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 $1,343.

In the afternoon is the cheapest time of day to fly from Spain to Washington, D.C. when you can find flight prices for as low as $825. Flying to Washington, D.C. in the afternoon is an ideal time because this is during off-peak travel hours. Try not to purchase tickets in the morning because they tend to be around $999. Of course, these prices can vary depending on the time of year and what airport you fly to.

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 $730 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 $591 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.

Iberia, Royal Air Maroc, and British Airways are the most popular carriers operating from Spain to Washington, D.C.

United Airlines, Lufthansa and Iberia 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 37% 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 16% 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 196 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. Friday 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 10% of their flights experiencing any sort of delay.

As of November 2026, there are 8 flights per day flying from Spain to Washington, D.C.. The most common time of day flights depart is 12:00PM, with 50% of flights taking off at noon.

59 flights are operational weekly from Spain to Washington, D.C. as of November 2026. The most popular departure day for this route is Mon, with 20% of flights per week taking off on this day.