Cheap flights from Spain to Washington, D.C. from $332

In general, September is the cheapest month to fly from Spain to Washington, D.C. Dulles Intl Airport. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $296. If you aren’t able to travel to Washington, D.C. Dulles Intl Airport during the month of September, then flying in October is also cheap. Prices for this month can be found on momondo for an average of $359.

Our data shows that Saturday is the least expensive day to fly to Washington, D.C. Dulles Intl Airport. Tickets to fly out on this day can be as low as $763. 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. Dulles Intl Airport for around $1,070.

Fly from Madrid Barajas to Washington, D.C. Dulles Intl for the best Spain - Washington, D.C. Dulles Intl flight prices

You are more likely to see cheaper flights to Washington, D.C. Dulles Intl Airport from Spain when booking weeks ahead of your departure date. In general, you can expect to find flights to Washington, D.C. Dulles Intl Airport for around $713 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Washington, D.C. Dulles Intl Airport from Spain for as low as $577 on momondo.

There are 3 cabin classes available to choose from on Spain to Washington, D.C. Dulles Intl Airport 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 59% on your flight if you consider stops on a Spain to Washington, D.C. Dulles Intl Airport flight.

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

United Airlines, Lufthansa and Iberia are the top three most popular airlines that fly to Washington, D.C. Dulles Intl Airport 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. Dulles Intl Airport. Keep in mind that there are 4 different airlines that fly to Washington, D.C. Dulles Intl Airport 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 173 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. 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.

The number of flights available between Spain and Washington, D.C. Dulles Intl Airport is 8 per day as of May 2026. The most frequent departure time is 12:00PM, with 51% of daily flights leaving in the afternoon.

The number of flights available between Spain and Washington, D.C. Dulles Intl Airport is 62 per week as of May 2026. The most frequent departure day is Mon, with 19% of weekly flights leaving on this day.