How long is the flight from Washington, D.C. Dulles Intl Airport to San José?

There are many flights that can get you from Washington, D.C. Dulles Intl Airport to San José in 10h 51m. Fly via Copa Airlines or United Airlines to get the fastest option. The distance between Washington, D.C. Dulles Intl Airport and San José is about 3286 km. Both multi-stop and direct flights can be found to your destination and back.

In terms of precipitation, rainfall in San José ranges from 0.0 - 300.0 mm per month. September is typically the wettest month, when rainfall can reach 300.0 mm. February is typically the driest time to visit San José when rainfall is around 0.0 mm.

If weather is an important factor for your trip to San José, use this chart to help with planning. For those seeking warmer temperatures, April is the ideal time of year to visit, when temperatures reach an average of 21.0 C. Travellers hoping to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 18.0 C).

What airport do you fly into for flights to San José from Washington, D.C. Dulles Intl?

San José Juan Santamaria Intl (SJO), located 14.1 km from the city centre, is the airport you fly into when you book flights from Washington, D.C. Dulles Intl to San José. 0 airlines have flights to Juan Santamaria Intl from Washington, D.C. Dulles Intl on a regular basis. Booking flights from Washington, D.C. Dulles Intl to San José Juan Santamaria Intl should not be difficult; the airport handles an average of 0 inbound flights from Washington, D.C. Dulles Intl per day.

Can I find deals for flights from Dulles Intl to San José that include hotel bookings?

Yes. In addition to deals on Dulles Intl to San José flights, Cheapflights offers vacation packages that include both flights and hotel.

How can I find direct flights from Dulles Intl to San José?

After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Dulles Intl to San José.

Can I find deals for business class flights from Dulles Intl to San José?

Yes. Cheapflights offers flight deals from Dulles Intl to San José by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

C$ 240+ Cheap Flights from Washington, D.C. Dulles Intl Airport to San José

Cheap flight deals from Dulles Intl to San José

Enter your travel dates to find the best prices.

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One-way

Cheapest flights from Dulles Intl to San José
Explore the most affordable flight options available from Dulles Intl to San José. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 5 October 2026.

Thu 12/113:00 p.m. -

1 stop8h 15m

Thu 19/117:00 a.m. -

1 stop7h 59m

Deal found 1/10C$ 539

Thu 12/118:05 a.m. -

1 stop15h 10m

Mon 23/117:00 a.m. -

1 stop16h 41m

Deal found 1/10C$ 540

Fri 4/123:30 p.m. -

1 stop17h 48m

Mon 7/124:00 a.m. -

1 stop22h 19m

Deal found 4/10C$ 543

Thu 8/109:35 a.m. -

1 stop24h 44m

Thu 15/106:05 p.m. -

1 stop8h 15m

Deal found 1/10C$ 552

Thu 26/116:00 a.m. -

1 stop8h 22m

Wed 2/1211:28 p.m. -

1 stop10h 57m

Deal found 1/10C$ 559

Fri 9/104:34 p.m. -

1 stop16h 36m

Sat 17/108:30 a.m. -

1 stop17h 50m

Deal found 3/10C$ 568

Thu 12/113:37 p.m. -

1 stop18h 30m

Mon 16/116:10 p.m. -

1 stop18h 48m

Deal found 2/10C$ 572

Thu 8/109:35 a.m. -

1 stop24h 44m

Sun 11/1011:58 a.m. -

1 stop14h 22m

Deal found 1/10C$ 580

Tue 24/113:37 p.m. -

1 stop16h 25m

Tue 1/125:53 p.m. -

1 stop8h 26m

Deal found 5/10C$ 596

Fri 30/104:34 p.m. -

1 stop16h 50m

Sun 31/15:34 a.m. -

1 stop20h 42m

Deal found 2/10C$ 599

Sat 31/108:59 a.m. -

Nonstop5h 01m

Sat 7/112:15 p.m. -

Nonstop4h 44m

Deal found 1/10C$ 605

Find flight deals from Dulles Intl to San José

Round-trip from	C$ 533
One-way from	C$ 240
Popular in	December
Cheapest in	January
Average price	C$ 546

United Airlines
3/2-9/2
1 total stop
14h 11m total
Washington, D.C. to San José

Search Deals

United Airlines
30/10-31/12
1 total stop
15h 01m total
Washington, D.C. to San José

Search Deals

Highest demand for flights based on searches. 4% potential increase in price (C$ 43 potential increase over avg. RT price).

Search Deals

Cheapest flight prices on average. 2% potential price decrease (C$ 26 potential savings vs. average RT price).

Search Deals

Average for round-trip flights in October 2026

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Cheapflights Fare Finder

Use the filters below to find and compare flights from Washington, D.C. Dulles Intl Airport to San José that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

Washington, D.C.San José

IAD Washington, D.C. Dulles Intl - SJO San José Juan Santamaria Intl

IADSJO

Washington, D.C. Dulles Intl

Sat 24/10

10:18 p.m.-10:25 a.m.

1 stop14h 07m

San José Juan Santamaria Intl

Wed 31/12

12:00 a.m.-1:00 a.m.

Nonstop0h 00m

C$ 240

Quickest round-trip

Washington, D.C.San José

IAD Washington, D.C. Dulles Intl - SJO San José Juan Santamaria Intl

IADSJO

Washington, D.C. Dulles Intl

Mon 16/11

3:00 p.m.-10:15 p.m.

1 stop8h 15m

San José Juan Santamaria Intl

Wed 31/12

12:00 a.m.-1:00 a.m.

Nonstop0h 00m

C$ 240

Washington, D.C.San José

IAD Washington, D.C. Dulles Intl - SJO San José Juan Santamaria Intl

IADSJO

Washington, D.C. Dulles Intl

Sat 17/10

10:18 p.m.-12:21 p.m.

1 stop16h 03m

San José Juan Santamaria Intl

Wed 31/12

12:00 a.m.-1:00 a.m.

Nonstop0h 00m

C$ 268

Washington, D.C.San José

IAD Washington, D.C. Dulles Intl - SJO San José Juan Santamaria Intl

IADSJO

Washington, D.C. Dulles Intl

Thu 26/11

9:25 a.m.-8:32 a.m.

1 stop24h 07m

San José Juan Santamaria Intl

Wed 31/12

12:00 a.m.-1:00 a.m.

Nonstop0h 00m

C$ 325

Washington, D.C.San José

IAD Washington, D.C. Dulles Intl - SJO San José Juan Santamaria Intl

IADSJO

Washington, D.C. Dulles Intl

Thu 18/2

10:10 p.m.-12:15 p.m.

1 stop15h 05m

San José Juan Santamaria Intl

Wed 31/12

12:00 a.m.-1:00 a.m.

Nonstop0h 00m

C$ 332

Washington, D.C.San José

IAD Washington, D.C. Dulles Intl - SJO San José Juan Santamaria Intl

IADSJO

Washington, D.C. Dulles Intl

Sun 15/11

6:00 a.m.-11:25 a.m.

1 stop30h 25m

San José Juan Santamaria Intl

Wed 31/12

12:00 a.m.-1:00 a.m.

Nonstop0h 00m

C$ 355

Washington, D.C.San José

IAD Washington, D.C. Dulles Intl - SJO San José Juan Santamaria Intl

IADSJO

Washington, D.C. Dulles Intl

Mon 23/11

6:10 a.m.-7:53 p.m.

1 stop14h 43m

San José Juan Santamaria Intl

Wed 31/12

12:00 a.m.-1:00 a.m.

Nonstop0h 00m

C$ 416

Washington, D.C.San José

IAD Washington, D.C. Dulles Intl - SJO San José Juan Santamaria Intl

IADSJO

Washington, D.C. Dulles Intl

Wed 9/12

3:00 p.m.-10:17 p.m.

1 stop8h 17m

San José Juan Santamaria Intl

Wed 31/12

12:00 a.m.-1:00 a.m.

Nonstop0h 00m

C$ 520

Washington, D.C.San José

IAD Washington, D.C. Dulles Intl - SJO San José Juan Santamaria Intl

IADSJO

Washington, D.C. Dulles Intl

Wed 24/3

4:46 p.m.-10:00 a.m.

1 stop19h 14m

San José Juan Santamaria Intl

Mon 29/3

7:15 p.m.-9:44 p.m.

1 stop24h 29m

C$ 588

Washington, D.C.San José

IAD Washington, D.C. Dulles Intl - SJO San José Juan Santamaria Intl

IADSJO

Washington, D.C. Dulles Intl

Fri 20/11

6:10 a.m.-7:53 p.m.

1 stop14h 43m

San José Juan Santamaria Intl

Wed 31/12

12:00 a.m.-1:00 a.m.

Nonstop0h 00m

C$ 589

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/10

Showing 1-10 of 22 resultsSorted by cheapest first

Best time to book a flight from Dulles Intl to San José

Have a flexible travel schedule? Discover the best time to fly to San José from Dulles Intl with our price prediction graph.

IAD-SJO

Estimated round-trip price

Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Washington, D.C. Dulles Intl Airport to San José

How far ahead should I book a flight from Washington, D.C. Dulles Intl Airport to San José?

Booking 4 days in advance of your planned departure date is, on average, the best time to get cheap flights from Washington, D.C. Dulles Intl Airport to San José. The general trend is that the closer you book to the departure date, the more expensive your flight will be.

What is the cheapest month to book a flight from Washington, D.C. Dulles Intl Airport to San José?

Currently, January is the cheapest month in which you can book a flight from Washington, D.C. Dulles Intl Airport to San José (average of C$ 519). Flying from Washington, D.C. Dulles Intl Airport to San José in December is currently the most expensive (average of C$ 791). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

What is the cheapest time of day to fly from IAD to SJO?

When flying from Washington, D.C. Dulles Intl Airport to San José, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

How much does it cost to fly round-trip from Washington, D.C. Dulles Intl Airport to San José?

Airfare is typical for this route at the moment.

Washington, D.C. Dulles Intl Airport to San José flights typically cost between C$ 466 and C$ 573 in February.
The cheapest round-trip price found within the last 5 days was C$ 533 on United Airlines (3 Feb-9 Feb).

Related info for your journey

What airport do you fly into for flights to San José from Washington, D.C. Dulles Intl?
San José Juan Santamaria Intl (SJO), located 14.1 km from the city centre, is the airport you fly into when you book flights from Washington, D.C. Dulles Intl to San José. 0 airlines have flights to Juan Santamaria Intl from Washington, D.C. Dulles Intl on a regular basis. Booking flights from Washington, D.C. Dulles Intl to San José Juan Santamaria Intl should not be difficult; the airport handles an average of 0 inbound flights from Washington, D.C. Dulles Intl per day.
How long is the flight from Washington, D.C. Dulles Intl Airport to San José?
There are many flights that can get you from Washington, D.C. Dulles Intl Airport to San José in 10h 51m. Fly via Copa Airlines or United Airlines to get the fastest option. The distance between Washington, D.C. Dulles Intl Airport and San José is about 3286 km. Both multi-stop and direct flights can be found to your destination and back.
Can I find deals for flights from Dulles Intl to San José that include hotel bookings?
Yes. In addition to deals on Dulles Intl to San José flights, Cheapflights offers vacation packages that include both flights and hotel.
How can I find direct flights from Dulles Intl to San José?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Dulles Intl to San José.
Can I find deals for business class flights from Dulles Intl to San José?
Yes. Cheapflights offers flight deals from Dulles Intl to San José by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.
What is the cheapest month to book a flight from Washington, D.C. Dulles Intl Airport to San José?
Currently, January is the cheapest month in which you can book a flight from Washington, D.C. Dulles Intl Airport to San José (average of C$ 519). Flying from Washington, D.C. Dulles Intl Airport to San José in December is currently the most expensive (average of C$ 791). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

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Can Cheapflights find flights from Dulles Intl to San José with no change fees?

Certainly. Search results for flights to San José from Dulles Intl shown to you on Cheapflights can be narrowed down with different useful search filters, which includes flexible booking options.

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Cheap flights from Washington, D.C. Dulles Intl Airport to San José from C$ 240

This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 25/10. Fares are subject to change and may not be available on all flights or dates of travel.

Cheap flight deals from Dulles Intl to San José

Cheapest flights from Dulles Intl to San JoséExplore the most affordable flight options available from Dulles Intl to San José. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 5 October 2026.

Explore the most affordable flight options available from Dulles Intl to San José. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 5 October 2026.

Best flights from Dulles Intl to San JoséDiscover carefully curated flight deals from Dulles Intl to San José that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated 5 October 2026.

Discover carefully curated flight deals from Dulles Intl to San José that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated 5 October 2026.

Direct flights from Dulles Intl to San JoséExplore direct flight options from Dulles Intl to San José based on user searches, and compare prices and availability for your desired travel dates. Data last updated 5 October 2026.

Explore direct flight options from Dulles Intl to San José based on user searches, and compare prices and availability for your desired travel dates. Data last updated 5 October 2026.

Last-minute flights from Dulles Intl to San JoséDiscover last-minute flight deals from Dulles Intl to San José. Data last updated 5 October 2026 and is based on user searches.

Discover last-minute flight deals from Dulles Intl to San José. Data last updated 5 October 2026 and is based on user searches.

One-way flights from Dulles Intl to San JoséSearch for one-way flight options from Dulles Intl to San José. Find affordable one-way fares based on user searches. Data last updated 5 October 2026.

Search for one-way flight options from Dulles Intl to San José. Find affordable one-way fares based on user searches. Data last updated 5 October 2026.

Find flight deals from Dulles Intl to San José

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Cheapest in

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Cheapflights Fare Finder

Use the filters below to find and compare flights from Washington, D.C. Dulles Intl Airport to San José that are best for you.

Best time to book a flight from Dulles Intl to San José

Have a flexible travel schedule? Discover the best time to fly to San José from Dulles Intl with our price prediction graph.

Cheapflights Insights

How far ahead should I book a flight from Washington, D.C. Dulles Intl Airport to San José?

Booking 4 days in advance of your planned departure date is, on average, the best time to get cheap flights from Washington, D.C. Dulles Intl Airport to San José. The general trend is that the closer you book to the departure date, the more expensive your flight will be.

What is the cheapest month to book a flight from Washington, D.C. Dulles Intl Airport to San José?

What is the cheapest time of day to fly from IAD to SJO?

When flying from Washington, D.C. Dulles Intl Airport to San José, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

How much does it cost to fly round-trip from Washington, D.C. Dulles Intl Airport to San José?

Airfare is typical for this route at the moment.

Washington, D.C. Dulles Intl Airport to San José flights typically cost between C$ 466 and C$ 573 in February.The cheapest round-trip price found within the last 5 days was C$ 533 on United Airlines (3 Feb-9 Feb).

Related info for your journey

What airport do you fly into for flights to San José from Washington, D.C. Dulles Intl?

How long is the flight from Washington, D.C. Dulles Intl Airport to San José?

Can I find deals for flights from Dulles Intl to San José that include hotel bookings?

How can I find direct flights from Dulles Intl to San José?

Can I find deals for business class flights from Dulles Intl to San José?

What is the cheapest month to book a flight from Washington, D.C. Dulles Intl Airport to San José?

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Search flights from Dulles Intl to San José by cabin class

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Dulles Intl and San José flights

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Cheapest flights from Dulles Intl to San José
Explore the most affordable flight options available from Dulles Intl to San José. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 5 October 2026.

Best flights from Dulles Intl to San José
Discover carefully curated flight deals from Dulles Intl to San José that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated 5 October 2026.

Direct flights from Dulles Intl to San José
Explore direct flight options from Dulles Intl to San José based on user searches, and compare prices and availability for your desired travel dates. Data last updated 5 October 2026.

Last-minute flights from Dulles Intl to San José
Discover last-minute flight deals from Dulles Intl to San José. Data last updated 5 October 2026 and is based on user searches.

One-way flights from Dulles Intl to San José
Search for one-way flight options from Dulles Intl to San José. Find affordable one-way fares based on user searches. Data last updated 5 October 2026.

Washington, D.C. Dulles Intl Airport to San José flights typically cost between C$ 466 and C$ 573 in February.
The cheapest round-trip price found within the last 5 days was C$ 533 on United Airlines (3 Feb-9 Feb).