Cheap flights from San Juan Luis Munoz Marin Intl Airport to Washington, D.C. from $135

In general, January is the cheapest month to fly from San Juan Luis Munoz Marin Intl Airport 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 $114. If you aren’t able to travel to Washington, D.C. Dulles Intl Airport during the month of January, then flying in February is also cheap. Prices for this month can be found on momondo for an average of $149.

Our data shows that Thursday 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 $422. When flying out on a Sunday, the most expensive travel day of the week, you can expect to see flight prices from San Juan Luis Munoz Marin Intl Airport to Washington, D.C. Dulles Intl Airport for around $734.

Flying to Washington, D.C. Dulles Intl Airport from San Juan Luis Munoz Marin Intl Airport in the afternoon is the least expensive time of day to depart. momondo users have found prices as low as $452 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 $716 on average. Flights to Washington, D.C. Dulles Intl Airport from San Juan Luis Munoz Marin Intl Airport at noon are generally more expensive because this time of day is more convenient for travelers’ schedules.

Fly from San Juan Luis Munoz Marin Intl to Washington, D.C. Dulles Intl for the best San Juan Luis Munoz Marin Intl - Washington, D.C. Dulles Intl flight prices

You are more likely to see cheaper flights to Washington, D.C. Dulles Intl Airport from San Juan Luis Munoz Marin Intl Airport 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 $365 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 San Juan Luis Munoz Marin Intl Airport for as low as $249 on momondo.

There are 4 cabin classes available to choose from on San Juan Luis Munoz Marin Intl Airport 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.

No. A direct flight is the cheapest option for a flight between San Juan Luis Munoz Marin Intl Airport to Washington, D.C. Dulles Intl Airport.

As of October 2026, prices for San Juan Luis Munoz Marin Intl Airport to Washington, D.C. Dulles Intl Airport flights are approximately 78% cheaper when compared to flights at the same time last year.

1 flights are operational daily from San Juan Luis Munoz Marin Intl Airport to Washington, D.C. Dulles Intl Airport as of October 2026. The most popular departure time for this route is 4:00PM, with 100% of flights per day taking off in the afternoon.

The number of flights available between San Juan Luis Munoz Marin Intl Airport and Washington, D.C. Dulles Intl Airport is 8 per week as of October 2026. The most frequent departure day is Wed, with 25% of weekly flights leaving on this day.