Cheap flights from Spain to Washington, D.C. from $303

In general, February 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 $541. If you aren’t able to travel to Washington, D.C. Dulles Intl Airport during the month of February, then flying in January is also cheap. Prices for this month can be found on momondo for an average of $585.

Our data shows that Friday 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 $792. 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 $1,343.

Flying to Washington, D.C. Dulles Intl Airport from Spain in the afternoon is the least expensive time of day to depart. momondo users have found prices as low as $843 when looking at flights departing in the afternoon. If you have a flexible travel schedule, then try to avoid flying in the morning when prices are $1,006 on average. Flights to Washington, D.C. Dulles Intl Airport from Spain in the morning are generally more expensive because this time of day is more convenient for travelers’ schedules.

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 $719 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 $646 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.

TAP AIR PORTUGAL, Iberia, and American Airlines are the most popular carriers operating from Spain to Washington, D.C. Dulles Intl

Lufthansa, United Airlines and TAP AIR PORTUGAL are the top three most popular airlines that fly to Washington, D.C. Dulles Intl Airport from Spain according to our data. Lufthansa is the first choice among our users, with 31% 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 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.

The number of flights available between Spain and Washington, D.C. Dulles Intl Airport is 10 per day as of October 2026. The most frequent departure time is 11:00AM, with 58% of daily flights leaving at noon.

The number of flights available between Spain and Washington, D.C. Dulles Intl Airport is 72 per week as of October 2026. The most frequent departure day is Mon, with 17% of weekly flights leaving on this day.