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

Flights connecting via Guatemala City (GUA) have the shortest average one-way travel time: 7h 00m.

What airlines fly to San José?

Avianca, Copa Airlines and United Airlines are the top three most popular airlines that fly to San José from Washington, D.C. Dulles Intl Airport according to our data. Avianca is the first choice among our users, with 56% of people opting to fly with this airline when traveling to San José. Keep in mind that there are 6 different airlines that fly to San José on a routine basis, so you have a few additional options to choose from.

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

Flights via Houston (IAH) offer the lowest average round-trip price of $255.

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

Guatemala City (GUA) has the shortest average layover time for this route: 1h 17m.

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

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

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

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

What documentation or ID do you need to fly to San José Juan Santamaria Intl Airport?

The required travel and health documents for your San José Juan Santamaria Intl Airport trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at San José Juan Santamaria Intl Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

$157 Cheap Flights from Washington, D.C. Dulles Intl Airport to San José in 2026

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

As of May 2026, there are 3 flights per week flying from Washington, D.C. Dulles Intl Airport to San José. The most common day of the week flights depart is Wed, with 33% of flights taking off on this day.

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

Prices are currently low for flights on this route. Typical prices usually range from $461 to $334. The lowest price recently found on this route was $344.

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Find the cheapest flights from Washington, D.C. Dulles Intl Airport to San José

Round-trip

One-way

Last minute

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Cheap round-trip flights

Enter your travel dates to find the best prices.

1:12 am - 8:21 am

IAD

SJO

8h 09m

1 stop

6:08 pm - 3:13 am

SJO

IAD

8h 05m

1 stop

$344Copa Airlines

Sat, Nov 7 - Fri, Nov 13

6:15 am - 11:38 am

IAD

SJO

7h 23m

1 stop

1:25 pm - 12:30 am

SJO

IAD

9h 05m

1 stop

$356United Airlines

Thu, Sep 10 - Sun, Sep 20

4:38 pm - 9:06 am

IAD

SJO

18h 28m

1 stop

8:47 am - 12:33 am

SJO

IAD

13h 46m

1 stop

$358Copa Airlines

Sat, Jun 6 - Sun, Jun 14

4:38 pm - 11:06 am

IAD

SJO

20h 28m

1 stop

4:10 am - 4:21 am

SJO

IAD

22h 11m

1 stop

$359Copa Airlines

Wed, Jun 3 - Wed, Jun 17

3:25 pm - 1:53 pm

IAD

SJO

23h 28m

1 stop

5:56 pm - 3:13 am

SJO

IAD

8h 17m

1 stop

$364Copa Airlines

Mon, Nov 16 - Fri, Nov 20

8:15 pm - 6:30 pm

IAD

SJO

24h 15m

2 stops

12:57 pm - 10:32 am

SJO

IAD

19h 35m

2 stops

$365American Airlines

Thu, Sep 10 - Thu, Sep 17

4:34 pm - 8:19 am

IAD

SJO

17h 45m

1 stop

6:08 pm - 4:13 am

SJO

IAD

8h 05m

1 stop

$366Copa Airlines

Fri, Oct 23 - Wed, Oct 28

4:38 pm - 7:09 am

IAD

SJO

16h 31m

1 stop

6:19 pm - 4:21 am

SJO

IAD

8h 02m

1 stop

$367Copa Airlines

Tue, Jun 2 - Tue, Jun 9

2:21 am - 8:21 am

IAD

SJO

8h 00m

1 stop

6:19 pm - 4:21 am

SJO

IAD

8h 02m

1 stop

$369Copa Airlines

Tue, Jun 2 - Tue, Jun 9

6:44 am - 12:22 pm

IAD

SJO

6h 38m

1 stop

1:23 pm - 11:59 pm

SJO

IAD

9h 36m

1 stop

$370American Airlines

Wed, Nov 4 - Tue, Nov 17

American Airlines flights from Washington, D.C. Dulles Intl Airport to San José

Our best American Airlines deals on Washington, D.C. Dulles Intl Airport to San José flight tickets

American Airlines

Sep 10

IAD8:15 pmWashington, D.C. Dulles Intl

24h 15m

2 stops

SJO6:30 pmSan José Juan Santamaria Intl

Sep 17

SJO12:57 pmSan José Juan Santamaria Intl

19h 35m

2 stops

IAD10:32 amWashington, D.C. Dulles Intl

$365

American Airlines

Nov 4

IAD6:44 amWashington, D.C. Dulles Intl

6h 38m

1 stop

SJO12:22 pmSan José Juan Santamaria Intl

Nov 17

SJO1:23 pmSan José Juan Santamaria Intl

9h 36m

1 stop

IAD11:59 pmWashington, D.C. Dulles Intl

$370

American Airlines

Nov 12

IAD8:09 pmWashington, D.C. Dulles Intl

18h 30m

2 stops

SJO1:39 pmSan José Juan Santamaria Intl

Nov 16

SJO1:23 pmSan José Juan Santamaria Intl

28h 58m

1 stop

IAD7:21 pmWashington, D.C. Dulles Intl

$371

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

Our best Avianca deals on Washington, D.C. Dulles Intl Airport to San José flight tickets

Avianca

Jul 28

IAD3:40 amWashington, D.C. Dulles Intl

6h 50m

1 stop

SJO8:30 amSan José Juan Santamaria Intl

Aug 4

SJO4:35 pmSan José Juan Santamaria Intl

7h 40m

1 stop

IAD2:15 amWashington, D.C. Dulles Intl

$410

Avianca

Aug 6

IAD5:35 pmWashington, D.C. Dulles Intl

8h 05m

1 stop

SJO11:40 pmSan José Juan Santamaria Intl

Aug 11

SJO4:35 pmSan José Juan Santamaria Intl

7h 40m

1 stop

IAD2:15 amWashington, D.C. Dulles Intl

$412

Avianca

May 28

IAD5:45 amWashington, D.C. Dulles Intl

7h 45m

1 stop

SJO11:30 amSan José Juan Santamaria Intl

Jun 1

SJO5:05 amSan José Juan Santamaria Intl

8h 50m

1 stop

IAD3:55 pmWashington, D.C. Dulles Intl

$413

momondo 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 - SJO

IADSJO

Washington, D.C. Dulles Intl

Sat 11/7

1:12 am-8:21 am

1 stop8h 09m

San José Juan Santamaria Intl

Fri 11/13

6:08 pm-3:13 am

1 stop8h 05m

$344

Washington, D.C.San José

IAD - SJO

IADSJO

Washington, D.C. Dulles Intl

Thu 9/10

6:15 am-11:38 am

1 stop7h 23m

San José Juan Santamaria Intl

Sun 9/20

1:25 pm-12:30 am

1 stop9h 05m

$356

Washington, D.C.San José

IAD - SJO

IADSJO

Washington, D.C. Dulles Intl

Sat 6/6

4:38 pm-9:06 am

1 stop18h 28m

San José Juan Santamaria Intl

Sun 6/14

8:47 am-12:33 am

1 stop13h 46m

$358

Washington, D.C.San José

IAD - SJO

IADSJO

Washington, D.C. Dulles Intl

Wed 6/3

4:38 pm-11:06 am

1 stop20h 28m

San José Juan Santamaria Intl

Wed 6/17

4:10 am-4:21 am

1 stop22h 11m

$359

Washington, D.C.San José

IAD - SJO

IADSJO

Washington, D.C. Dulles Intl

Mon 11/16

3:25 pm-1:53 pm

1 stop23h 28m

San José Juan Santamaria Intl

Fri 11/20

5:56 pm-3:13 am

1 stop8h 17m

$364

Washington, D.C.San José

IAD - SJO

IADSJO

Washington, D.C. Dulles Intl

Thu 9/10

8:15 pm-6:30 pm

2 stops24h 15m

San José Juan Santamaria Intl

Thu 9/17

12:57 pm-10:32 am

2 stops19h 35m

$365

Washington, D.C.San José

IAD - SJO

IADSJO

Washington, D.C. Dulles Intl

Fri 10/23

4:34 pm-8:19 am

1 stop17h 45m

San José Juan Santamaria Intl

Wed 10/28

6:08 pm-4:13 am

1 stop8h 05m

$366

Washington, D.C.San José

IAD - SJO

IADSJO

Washington, D.C. Dulles Intl

Tue 6/2

4:38 pm-7:09 am

1 stop16h 31m

San José Juan Santamaria Intl

Tue 6/9

6:19 pm-4:21 am

1 stop8h 02m

$367

Quickest round-trip

Washington, D.C.San José

IAD - SJO

IADSJO

Washington, D.C. Dulles Intl

Tue 6/2

2:21 am-8:21 am

1 stop8h 00m

San José Juan Santamaria Intl

Tue 6/9

6:19 pm-4:21 am

1 stop8h 02m

$369

Washington, D.C.San José

IAD - SJO

IADSJO

Washington, D.C. Dulles Intl

Wed 11/4

6:44 am-12:22 pm

1 stop6h 38m

San José Juan Santamaria Intl

Tue 11/17

1:23 pm-11:59 pm

1 stop9h 36m

$370

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first

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

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

Prices

Airlines

Layovers

Other information

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

What is the cheapest month to fly to San José?

In general, October is the cheapest month to fly from Washington, D.C. Dulles Intl Airport to San José. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $270. If you don’t want to visit San José in October, then you should wait until September to fly from Washington, D.C. Dulles Intl Airport, when ticket prices are also cheap, with an average price of $292.

What is the cheapest day to depart on your flight to San José?

On average, the least expensive day to fly to San José from Washington, D.C. Dulles Intl Airport is on a Thursday. momondo users have found tickets for Thursday departures for as low as $342. However, this price may fluctuate depending on the airline, the season, and holidays. Flights from Washington, D.C. Dulles Intl Airport to San José on a Saturday will generally be more expensive and average around $617. Keep in mind that these prices on both days could fluctuate depending on the season and the demand.

What is the cheapest time of day to depart on your flight to San José?

Our data shows that the cheapest Washington, D.C. Dulles Intl Airport to San José flights are usually those with departure times in the evening. Our users have found flights to San José in the evening for as low as $377. Flights in the morning are often more expensive with an average ticket price of $747.

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

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

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

You are more likely to see cheaper flights to San José from Washington, D.C. Dulles Intl Airport when booking weeks ahead of your departure date. In general, you can expect to find flights to San José for around $364 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to San José from Washington, D.C. Dulles Intl Airport for as low as $343 on momondo.

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

There are 2 cabin classes available to choose from on Washington, D.C. Dulles Intl Airport to San José 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 Washington, D.C. Dulles Intl Airport to San José flights?

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

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

As of May 2026, prices for Washington, D.C. Dulles Intl Airport to San José flights are approximately 31% more expensive when compared to flights at the same time last year.

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

Are you open to changing your travel dates? Check out the ideal times to fly from Washington, D.C. Dulles Intl Airport to San José according to our flight data. Find out which month and days have the cheapest flights.

Estimated round-trip price

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

Find info about flight duration, direct flights, and airports for your flight from Washington, D.C. Dulles Intl Airport to San José

Best Price Found	$153
Fastest flight time	4h 58m
Direct flights	Tue, Wed, Fri and Sun
Airports in San José	1 airport

The best one-way flight to San José from Washington, D.C. Dulles Intl Airport in the past 72 hours is $153. The best round-trip flight deal from Washington, D.C. Dulles Intl Airport to San José found on momondo in the last 72 hours is $425.

The fastest flight from Washington, D.C. Dulles Intl Airport to San José takes 4h 58m

Direct flights go from Washington, D.C. Dulles Intl Airport to San José on Tuesday, Wednesday, Friday and Sunday. There are no airlines offering direct flights.

There is 1 airport in San José. From Washington, D.C. Dulles Intl Airport there are direct flights to San José Juan Santamaria Intl (SJO).

Search flight deals

Frequently asked questions about flying from Washington, D.C. Dulles Intl Airport to San José

How far is Washington, D.C. Dulles Intl to San José Juan Santamaria Intl by plane?
Washington, D.C. Dulles Intl and San José Juan Santamaria Intl are 2045.0 mi apart from one another. In terms of flight time, this usually takes a little over 4h 58m.
When did momondo last update prices for flights from Washington, D.C. Dulles Intl Airport to San José Juan Santamaria Intl Airport?
Prices for flights from Washington, D.C. Dulles Intl Airport to San José Juan Santamaria Intl Airport are updated daily.
How many operators does momondo search for flights from Washington, D.C. Dulles Intl Airport to San José Juan Santamaria Intl Airport?
There are 6 operators available for flights from Washington, D.C. Dulles Intl Airport to San José Juan Santamaria Intl Airport as of May 2026.
How old do you have to be to fly from Washington, D.C. Dulles Intl Airport to San José Juan Santamaria Intl Airport?
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 Washington, D.C. Dulles Intl Airport to San José Juan Santamaria Intl Airport.
What documentation or ID do you need to fly to San José Juan Santamaria Intl Airport?
The required travel and health documents for your San José Juan Santamaria Intl Airport trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at San José Juan Santamaria Intl Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.
What is the most popular plane model from Washington, D.C. Dulles Intl Airport to San José?
Based on momondo bookings for this flight route, the most popular plane model on flight routes from Washington, D.C. Dulles Intl Airport to San José is Boeing 737 MAX 8 (48.67% of total bookings). The next most popular plane models are Airbus A320neo (35.40%), Embraer 175 (Enhanced Winglets) (3.54%), and Airbus A320-100/200 (2.65%).
What is the most popular airline from Washington, D.C. Dulles Intl Airport to San José?
Based on momondo bookings for flights between Washington, D.C. Dulles Intl Airport and San José, the leading airline is Avianca, making up 55% of the total bookings. Other popular airlines include Copa Airlines with 24%, United Airlines with 15%, and American Airlines with 4%.

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

Compare and see reviews for airlines that fly from Washington, D.C. Dulles Intl Airport to San José with momondo

Airline	Rating	Free Cancellation	Price
Volaris El Salvador	PriceFrom $102	Free Cancellation	Rating 7.4 29 reviews	Search Volaris El Salvador flights
Copa Airlines	PriceFrom $170	Free Cancellation	Rating 7.5 1,577 reviews	Search Copa Airlines flights
Delta	PriceFrom $174	Free Cancellation	Rating 7.9 8,445 reviews	Search Delta flights
United Airlines	PriceFrom $235	Free Cancellation	Rating 7.4 9,752 reviews	Search United Airlines flights
Avianca	PriceFrom $237	Free Cancellation	Rating 6.5 2,528 reviews	Search Avianca flights
American Airlines	PriceFrom $240	Free Cancellation	Rating 7.1 11,646 reviews	Search American Airlines flights

Avianca Flights From Washington, D.C. Dulles Intl Airport to San José
The lowest priced Avianca flight from Washington, D.C. Dulles Intl Airport to San José from the last 72 hours was $237. Generally, Avianca has 3 flights on this route every week with an average price of $366. Avianca is rated 6.5/10 by our users.

Manuel Antonio

Jacó

Monteverde

Alajuela

Heredia

Santa Elena

Dominical

San Gerardo de Dota

Esterillos Este

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Why should I use momondo to find a flight deal from Washington, D.C. to San José?

We help find the flight that best suits your needs, momondo compares prices from hundreds of airlines and travel agents and helps you filter them to find the best flight from Washington, D.C. to San José for you.

Can I find flights from Washington, D.C. to San José with flexible booking policies on momondo?

Yes. All flights to San José from Washington, D.C. on momondo can be compared and filtered by various policies on offer, including flexible booking.

How can momondo help me find flights from Washington, D.C. to San José?

momondo offers useful filters to help you find the right flight. Choose specific flight times, airports or even what payment method you prefer. We have numerous options to help you book your ideal flight from Washington, D.C. to San José.

I’m not ready to book a flight from Washington, D.C. to San José right now. Can momondo alert me if prices change?

If you are not ready to book a flight from Washington, D.C. to San José now, use our insights above to find helpful tips or alternatively set up a price alert, where momondo will track prices on flights to San José and let you know when they change.

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American Airlines flights from Washington, D.C. Dulles Intl Airport to San José

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Our best Avianca deals on Washington, D.C. Dulles Intl Airport to San José flight tickets

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

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

What is the cheapest month to fly to San José?

What is the cheapest day to depart on your flight to San José?

What is the cheapest time of day to depart on your flight to San José?

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

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

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

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

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

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

What airlines fly to San José?

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

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

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

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

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

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

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

Find info about flight duration, direct flights, and airports for your flight from Washington, D.C. Dulles Intl Airport to San José

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Airports in San José

Frequently asked questions about flying from Washington, D.C. Dulles Intl Airport to San José

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

Compare and see reviews for airlines that fly from Washington, D.C. Dulles Intl Airport to San José with momondo

Avianca Flights From Washington, D.C. Dulles Intl Airport to San José

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List of cabin classes available on flights landing in San José. Availability may vary depending on flight origin and airline.

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