Cheap flights from Costa Rica to Washington, D.C. from $164

In general, October is the cheapest month to fly from Costa Rica 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 $256. If you aren’t able to travel to Washington, D.C. Dulles Intl Airport during the month of October, then flying in November is also cheap. Prices for this month can be found on momondo for an average of $288.

Our data shows that Tuesday 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 $235. When flying out on a Sunday, the most expensive travel day of the week, you can expect to see flight prices from Costa Rica to Washington, D.C. Dulles Intl Airport for around $612.

Flying to Washington, D.C. Dulles Intl Airport from Costa Rica in the afternoon is the least expensive time of day to depart. momondo users have found prices as low as $244 when looking at flights departing in the afternoon. If you have a flexible travel schedule, then try to avoid flying at noon when prices are $377 on average. Flights to Washington, D.C. Dulles Intl Airport from Costa Rica at noon are generally more expensive because this time of day is more convenient for travelers’ schedules.

Fly from San José Juan Santamaria Intl to Washington, D.C. Dulles Intl for the best Costa Rica - Washington, D.C. Dulles Intl flight prices

You are more likely to see cheaper flights to Washington, D.C. Dulles Intl Airport from Costa Rica 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 $337 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 Costa Rica for as low as $293 on momondo.

There is only 1 cabin class available to choose from on Costa Rica 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.

United Airlines is the most popular carrier operating from Costa Rica to Washington, D.C. Dulles Intl

Avianca, United Airlines and Copa Airlines are the top three most popular airlines that fly to Washington, D.C. Dulles Intl Airport from Costa Rica according to our data. Avianca is the first choice among our users, with 68% of people opting to fly with this airline when traveling to Washington, D.C. Dulles Intl Airport. Keep in mind that there are 3 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 15% of flights between Costa Rica and Washington, D.C. have experienced a delay on any given week. The average delay length over the past 12 months has been 122 minutes.

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

Thursday is statistically the day of the week which experiences the fewest number of delays on this flight route. Sunday has historically seen more delays on average compared to the rest of the week.

According to our data, Avianca have had the least number of delays on this route over the last 12 months; with about 13% of their flights experiencing any sort of delay.

The number of flights available between Costa Rica and Washington, D.C. Dulles Intl Airport is 1 per week as of September 2026. The most frequent departure day is Tue, with 100% of weekly flights leaving on this day.

Flight times from Costa Rica to Washington, D.C. Dulles Intl Airport vary, but if you’re flying out of San José and flying into Washington, D.C. Dulles Intl Airport (one of the most popular routes), then the duration is 4h 44m on average. Another popular route from Costa Rica to Washington, D.C. Dulles Intl Airport is flying from Liberia to Washington, D.C. Dulles Intl Airport, which will take roughly 9h 10m. Keep in mind that layovers or delays could extend your travel time.