Cheap flights from Washington, D.C. Dulles Intl Airport to Spain from $247

If you don’t want to visit Spain in January, then you should wait until December to fly from Washington, D.C. Dulles Intl Airport, when ticket prices are also cheap, with an average price of $358.

The cheapest day to depart from Washington, D.C. Dulles Intl Airport to Spain is on a Tuesday when prices can be found for as low as $688. When flying out on a Friday, the most expensive travel day of the week, you can expect to see flight prices from Washington, D.C. Dulles Intl Airport to Spain for around $840.

Flying to Spain from Washington, D.C. Dulles Intl Airport in the afternoon is the least expensive time of day to depart. momondo users have found prices as low as $774 when looking at flights departing in the afternoon. In contrast, the most expensive time of day to depart to Spain is in the evening when prices are around $776.

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

You are more likely to see cheaper flights to Spain from Washington, D.C. Dulles Intl Airport when booking weeks ahead of your departure date. In general, you can expect to find flights to Spain for around $694 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Spain from Washington, D.C. Dulles Intl Airport for as low as $626 on momondo.

There are 3 cabin classes available to choose from on Washington, D.C. Dulles Intl Airport to Spain flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

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

United Airlines, TAP AIR PORTUGAL and Iberia are the top three most popular airlines that fly to Spain from Washington, D.C. Dulles Intl Airport according to our data. United Airlines is the first choice among our users, with 38% of people opting to fly with this airline when traveling to Spain. Keep in mind that there are 18 different airlines that fly to Spain on a routine basis, so you have a few additional options to choose from.

Historically, on average around 17% of flights between Washington, D.C. and Spain have experienced a delay on any given week. The average delay length over the past 12 months has been 191 minutes.

Generally, flights departing in the early afternoon tend to experience fewer delays. Flights at night have, in the past, seen delays more frequently in comparison.

Monday 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 12% of their flights experiencing any sort of delay.

14 flights are operational daily from Washington, D.C. Dulles Intl Airport to Spain as of June 2026. The most popular departure time for this route is 6:00PM, with 57% of flights per day taking off in the evening.

98 flights are operational weekly from Washington, D.C. Dulles Intl Airport to Spain as of June 2026. The most popular departure day for this route is Mon, with 14% of flights per week taking off on this day.