Question 1

How far in advance should I book a flight to Washington, D.C. Dulles Intl Airport?

Accepted Answer

You are more likely to see cheaper flights to Washington, D.C. Dulles Intl Airport from San José 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 $308 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 José for as low as $249 on momondo.

Question 2

What is the cheapest month to fly to Washington, D.C. Dulles Intl Airport?

Accepted Answer

In general, November is the cheapest month to fly from San José 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 $254. If you aren’t able to travel to Washington, D.C. Dulles Intl Airport during the month of November, then flying in October is also cheap. Prices for this month can be found on momondo for an average of $261.

Question 3

What is the cheapest San José Juan Santamaria Intl to Washington, D.C. Dulles Intl flight route?

Accepted Answer

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

Question 4

Which layover airport has the shortest connection time from San José to Washington, D.C. Dulles Intl Airport?

Accepted Answer

Dallas (DFW) has the shortest average layover time for this route: 1h 57m.

Question 5

Which layover airport offers the lowest fares from San José to Washington, D.C. Dulles Intl Airport?

Accepted Answer

Flights via Dallas (DFW) offer the lowest average round-trip price of $225.

Question 6

What day of the week experiences the fewest flight delays on this route?

Accepted Answer

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

Question 7

What is the cheapest day to depart on your flight to Washington, D.C. Dulles Intl Airport?

Accepted Answer

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 $172. When flying out on a Sunday, the most expensive travel day of the week, you can expect to see flight prices from San José to Washington, D.C. Dulles Intl Airport for around $657.

Question 8

Can stopping save me money on San José to Washington, D.C. Dulles Intl Airport flights?

Accepted Answer

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

Question 9

Which layover airport has the shortest travel time from San José to Washington, D.C. Dulles Intl Airport?

Accepted Answer

Flights connecting via San Salvador (SAL) have the shortest average one-way travel time: 7h 52m.

Question 10

How have San José to Washington, D.C. Dulles Intl Airport flight prices changed over time?

Accepted Answer

As of January 2026, prices for San José to Washington, D.C. Dulles Intl Airport flights are approximately 21% more expensive when compared to flights at the same time last year.

Question 11

How often are flights from San José to Washington, D.C. delayed?

Accepted Answer

Historically, on average around 16% of flights between San José and Washington, D.C. have experienced a delay on any given week. The average delay length over the past 12 months has been 132 minutes.

Question 12

What is the cheapest airline that flies from San José Juan Santamaria Intl to Washington, D.C. Dulles Intl?

Accepted Answer

United Airlines and Avianca are the most popular carriers operating from San José Juan Santamaria Intl to Washington, D.C. Dulles Intl

Question 13

What is the most punctual flight time for San José to Washington, D.C. flights?

Accepted Answer

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.

Question 14

What cabin class options are available on San José Juan Santamaria Intl to Washington, D.C. Dulles Intl flights?

Accepted Answer

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

Question 15

Which airport is the most popular layover for flights between San José and Washington, D.C. Dulles Intl Airport?

Accepted Answer

Panama City (PTY) was the most common stop: 45% of momondo users choosing 1-stop flights on this route connected there.

Question 16

What is the cheapest time of day to depart on your flight to Washington, D.C. Dulles Intl Airport?

Accepted Answer

Flying to Washington, D.C. Dulles Intl Airport from San José in the afternoon is the least expensive time of day to depart. momondo users have found prices as low as $293 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 $403 on average. Flights to Washington, D.C. Dulles Intl Airport from San José at noon are generally more expensive because this time of day is more convenient for travelers’ schedules.

Question 17

What is the typical price of a round-trip flight between San José and Washington, D.C. Dulles Intl Airport?

Accepted Answer

Prices are currently low for flights on this route.Typical prices usually range from $250 to $332.
The lowest price recently found on this route was $204.

Question 18

Which airline has the best punctuality record on San José to Washington, D.C. flights?

Accepted Answer

According to our data, Avianca have had the least number of delays on this route over the last 12 months; with about 14% of their flights experiencing any sort of delay.

Question 19

How many flights depart from San José to Washington, D.C. Dulles Intl Airport on average per week?

Accepted Answer

The number of flights available between San José and Washington, D.C. Dulles Intl Airport is 6 per week as of January 2026. The most frequent departure day is Tue, with 33% of weekly flights leaving on this day.

Question 20

What airlines fly to Washington, D.C. Dulles Intl Airport?

Accepted Answer

Avianca, Copa Airlines and United Airlines are the top three most popular airlines that fly to Washington, D.C. Dulles Intl Airport from San José according to our data. Avianca is the first choice among our users, with 62% 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.

Question 21

When did momondo last update prices for flights from San José Juan Santamaria Intl Airport to Washington, D.C. Dulles Intl Airport?

Accepted Answer

Prices for flights from San José Juan Santamaria Intl Airport to Washington, D.C. Dulles Intl Airport refresh daily.

Question 22

How many operators does momondo search for flights from San José Juan Santamaria Intl Airport to Washington, D.C. Dulles Intl Airport?

Accepted Answer

As of January 2026, there are 4 operators available to choose from for flights from San José Juan Santamaria Intl Airport to Washington, D.C. Dulles Intl Airport.

Question 23

How old do you have to be to fly from San José Juan Santamaria Intl Airport to Washington, D.C. Dulles Intl Airport?

Accepted Answer

The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from San José Juan Santamaria Intl Airport to Washington, D.C. Dulles Intl Airport.

Question 24

What documentation or ID do you need to fly to Washington, D.C. Dulles Intl Airport?

Accepted Answer

The travel and health documents you'll need for your trip to Washington, D.C. Dulles Intl Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Washington, D.C. Dulles Intl Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

Best Price Found	$222
Fastest flight time	4h 25m
Direct flights	Mon, Tue, Wed, Fri and Sun

Airline	Rating	Free Cancellation	Price
Avianca	PriceFrom $201	Free Cancellation	Rating 6.6 2,486 reviews	Search Avianca flights
United Airlines	PriceFrom $216	Free Cancellation	Rating 7.4 9,213 reviews	Search United Airlines flights
American Airlines	PriceFrom $225	Free Cancellation	Rating 7.2 11,201 reviews	Search American Airlines flights
Copa Airlines	PriceFrom $277	Free Cancellation	Rating 7.5 1,560 reviews	Search Copa Airlines flights

Cheap flights from San José to Washington, D.C. from $129

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from San José to Washington, D.C. departing on 2/24. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.

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How to get the cheapest flight ticket from San José to Washington, D.C. Dulles Intl Airport

What is the typical price of a round-trip flight between San José and Washington, D.C. Dulles Intl Airport?

What is the cheapest month to fly to Washington, D.C. Dulles Intl Airport?

What is the cheapest day to depart on your flight to Washington, D.C. Dulles Intl Airport?

What is the cheapest time of day to depart on your flight to Washington, D.C. Dulles Intl Airport?

What is the cheapest San José Juan Santamaria Intl to Washington, D.C. Dulles Intl flight route?

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

How far in advance should I book a flight to Washington, D.C. Dulles Intl Airport?

What cabin class options are available on San José Juan Santamaria Intl to Washington, D.C. Dulles Intl flights?

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

Can stopping save me money on San José to Washington, D.C. Dulles Intl Airport flights?

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

How have San José to Washington, D.C. Dulles Intl Airport flight prices changed over time?

As of January 2026, prices for San José to Washington, D.C. Dulles Intl Airport flights are approximately 21% more expensive when compared to flights at the same time last year.

What is the cheapest airline that flies from San José Juan Santamaria Intl to Washington, D.C. Dulles Intl?

United Airlines and Avianca are the most popular carriers operating from San José Juan Santamaria Intl to Washington, D.C. Dulles Intl

What airlines fly to Washington, D.C. Dulles Intl Airport?

How often are flights from San José to Washington, D.C. delayed?

Historically, on average around 16% of flights between San José and Washington, D.C. have experienced a delay on any given week. The average delay length over the past 12 months has been 132 minutes.

What is the most punctual flight time for San José to Washington, D.C. flights?

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.

What day of the week experiences the fewest flight delays on this route?

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

Which airline has the best punctuality record on San José to Washington, D.C. flights?

According to our data, Avianca have had the least number of delays on this route over the last 12 months; with about 14% of their flights experiencing any sort of delay.

Which airport is the most popular layover for flights between San José and Washington, D.C. Dulles Intl Airport?

Panama City (PTY) was the most common stop: 45% of momondo users choosing 1-stop flights on this route connected there.

Which layover airport offers the lowest fares from San José to Washington, D.C. Dulles Intl Airport?

Flights via Dallas (DFW) offer the lowest average round-trip price of $225.

Which layover airport has the shortest travel time from San José to Washington, D.C. Dulles Intl Airport?

Flights connecting via San Salvador (SAL) have the shortest average one-way travel time: 7h 52m.

Which layover airport has the shortest connection time from San José to Washington, D.C. Dulles Intl Airport?

Dallas (DFW) has the shortest average layover time for this route: 1h 57m.

How many flights depart from San José to Washington, D.C. Dulles Intl Airport on average per week?

The number of flights available between San José and Washington, D.C. Dulles Intl Airport is 6 per week as of January 2026. The most frequent departure day is Tue, with 33% of weekly flights leaving on this day.

When to book flights from San José to Washington, D.C. Dulles Intl Airport

Cheap San José to Washington, D.C. Dulles Intl Airport (SJO to IAD) flight deals and tips

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How far is San José Juan Santamaria Intl to Washington, D.C. Dulles Intl by plane?

When did momondo last update prices for flights from San José Juan Santamaria Intl Airport to Washington, D.C. Dulles Intl Airport?

How many operators does momondo search for flights from San José Juan Santamaria Intl Airport to Washington, D.C. Dulles Intl Airport?

How old do you have to be to fly from San José Juan Santamaria Intl Airport to Washington, D.C. Dulles Intl Airport?

What documentation or ID do you need to fly to Washington, D.C. Dulles Intl Airport?

What is the most popular plane model from San José to Washington, D.C. Dulles Intl Airport?

What is the most popular airline from San José to Washington, D.C. Dulles Intl Airport?

Best airlines flying from San José to Washington, D.C. Dulles Intl Airport

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