Latest deals
Insights
When to book
FAQs
Reviews
Price Alerts

Cheap flights from Washington, D.C. Dulles Intl Airport to San José from $98

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Washington, D.C. Dulles Intl Airport to San José departing on 11/8. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
0 bags

Discover deals from 900+ travel sites with momondo.

Save money when you book flights with momondo

Big names and deals

Big names and deals

Search 100s of travel sites to compare prices.

Filter for what you want

Filter for what you want

Free Wi-Fi? Stopover? Instantly customize your results.

Trusted and free

Trusted and free

We’re completely free to use - no hidden charges or fees.

Price Alerts

Price Alerts

Not ready to book? to track prices.
Search flight deals

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

Cheap round-trip flights

Volaris El Salvador Logo
1:23 am - 12:22 pmIAD-SJO
11h 59m1 stop
Volaris El Salvador Logo
4:17 pm - 11:27 amSJO-IAD
18h 10m1 stop
$239Volaris El Salvador
Find Deal
Tue, Feb 10 - Mon, Feb 16
Logo
1:07 pm - 12:22 pmIAD-SJO
24h 15m1 stop
Logo
7:50 pm - 3:10 amSJO-IAD
6h 20m1 stop
$243
Find Deal
Tue, Nov 11 - Sun, Nov 16
Volaris El Salvador Logo
1:07 pm - 12:22 pmIAD-SJO
24h 15m1 stop
Volaris El Salvador Logo
4:17 pm - 11:27 amSJO-IAD
18h 10m1 stop
$244Volaris El Salvador
Find Deal
Tue, Nov 11 - Mon, Nov 17
Copa Airlines Logo
4:34 pm - 7:27 amIAD-SJO
16h 53m1 stop
Copa Airlines Logo
2:31 pm - 4:20 amSJO-IAD
11h 49m1 stop
$246Copa Airlines
Find Deal
Mon, Sep 15 - Thu, Sep 18
Copa Airlines Logo
3:24 pm - 4:46 pmIAD-SJO
26h 22m3 stops
Copa Airlines Logo
6:08 pm - 3:15 amSJO-IAD
8h 07m1 stop
$251Copa Airlines
Find Deal
Sun, Jan 18 - Sat, Feb 7
American Airlines Logo
6:25 am - 5:57 pmIAD-SJO
13h 32m1 stop
American Airlines Logo
12:12 pm - 10:05 amSJO-IAD
19h 53m2 stops
$253American Airlines
Find Deal
Wed, Sep 24 - Fri, Sep 26
Avianca Logo
2:35 am - 11:15 amIAD-SJO
10h 40m2 stops
Avianca Logo
4:20 pm - 4:20 amSJO-IAD
10h 00m2 stops
$258Avianca
Find Deal
Thu, Aug 28 - Tue, Sep 2
Avianca Logo
2:35 am - 7:40 amIAD-SJO
7h 05m1 stop
Avianca Logo
4:45 pm - 4:20 amSJO-IAD
9h 35m1 stop
$259Avianca
Find Deal
Thu, Aug 28 - Fri, Sep 5
American Airlines Logo
8:09 pm - 12:22 pmIAD-SJO
17h 13m1 stop
American Airlines Logo
1:09 pm - 8:41 amSJO-IAD
18h 32m2 stops
$266American Airlines
Find Deal
Sat, Nov 8 - Sat, Nov 22
Delta Logo
6:00 am - 12:55 pmIAD-SJO
7h 55m1 stop
Delta Logo
7:00 am - 6:42 pmSJO-IAD
10h 42m1 stop
$286Delta
Find Deal
Mon, Jan 19 - Fri, Jan 23

Volaris El Salvador flights from Washington, D.C. Dulles Intl Airport to San José, San José Province

Our best Volaris El Salvador deals on Washington, D.C. Dulles Intl Airport to San José, San José Province flight tickets
Volaris El Salvador
Feb 10
IAD1:23 amWashington, D.C. Dulles Intl
11h 59m
1 stop
SJO12:22 pmSan José Juan Santamaria Intl
Feb 16
SJO4:17 pmSan José Juan Santamaria Intl
18h 10m
1 stop
IAD11:27 amWashington, D.C. Dulles Intl
$239
Find similar
Volaris El Salvador
Nov 11
IAD1:07 pmWashington, D.C. Dulles Intl
24h 15m
1 stop
SJO12:22 pmSan José Juan Santamaria Intl
Nov 17
SJO4:17 pmSan José Juan Santamaria Intl
18h 10m
1 stop
IAD11:27 amWashington, D.C. Dulles Intl
$244
Find similar

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

Our best American Airlines deals on Washington, D.C. Dulles Intl Airport to San José, San José Province flight tickets
American Airlines
Sep 24
IAD6:25 amWashington, D.C. Dulles Intl
13h 32m
1 stop
SJO5:57 pmSan José Juan Santamaria Intl
Sep 26
SJO12:12 pmSan José Juan Santamaria Intl
19h 53m
2 stops
IAD10:05 amWashington, D.C. Dulles Intl
$253
Find similar
American Airlines
Aug 26
IAD7:44 amWashington, D.C. Dulles Intl
7h 11m
1 stop
SJO12:55 pmSan José Juan Santamaria Intl
Sep 13
SJO1:45 pmSan José Juan Santamaria Intl
17h 01m
1 stop
IAD8:46 amWashington, D.C. Dulles Intl
$262
Find similar
American Airlines
Nov 8
IAD8:09 pmWashington, D.C. Dulles Intl
17h 13m
1 stop
SJO12:22 pmSan José Juan Santamaria Intl
Nov 22
SJO1:09 pmSan José Juan Santamaria Intl
18h 32m
2 stops
IAD8:41 amWashington, D.C. Dulles Intl
$266
Find similar

momondo Fare Finder

 
Customize your flight search to find flights from Washington, D.C. Dulles Intl Airport to San José, San José Province that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, momondo users made 832,500 searches. Data last updated August 17, 2025.
Use the filters below to find and compare flights from Washington, D.C. Dulles Intl Airport to San José, San José Province that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Washington, D.C.San José

IAD - SJO

IADSJO

Washington, D.C. Dulles Intl

Tue 2/10

1:23 am-12:22 pm

1 stop11h 59m

San José Juan Santamaria Intl

Mon 2/16

4:17 pm-11:27 am

1 stop18h 10m

$239

Washington, D.C.San José

IAD - SJO

IADSJO

Washington, D.C. Dulles Intl

Tue 11/11

1:07 pm-12:22 pm

1 stop24h 15m

San José Juan Santamaria Intl

Sun 11/16

7:50 pm-3:10 am

1 stop6h 20m

$243

Washington, D.C.San José

IAD - SJO

IADSJO

Washington, D.C. Dulles Intl

Tue 11/11

1:07 pm-12:22 pm

1 stop24h 15m

San José Juan Santamaria Intl

Mon 11/17

4:17 pm-11:27 am

1 stop18h 10m

$244

Washington, D.C.San José

IAD - SJO

IADSJO

Washington, D.C. Dulles Intl

Mon 9/15

4:34 pm-7:27 am

1 stop16h 53m

San José Juan Santamaria Intl

Thu 9/18

2:31 pm-4:20 am

1 stop11h 49m

$246

Washington, D.C.San José

IAD - SJO

IADSJO

Washington, D.C. Dulles Intl

Sun 1/18

3:24 pm-4:46 pm

3 stops26h 22m

San José Juan Santamaria Intl

Sat 2/7

6:08 pm-3:15 am

1 stop8h 07m

$251

Washington, D.C.San José

IAD - SJO

IADSJO

Washington, D.C. Dulles Intl

Wed 9/24

6:25 am-5:57 pm

1 stop13h 32m

San José Juan Santamaria Intl

Fri 9/26

12:12 pm-10:05 am

2 stops19h 53m

$253

Washington, D.C.San José

IAD - SJO

IADSJO

Washington, D.C. Dulles Intl

Thu 8/28

2:35 am-11:15 am

2 stops10h 40m

San José Juan Santamaria Intl

Tue 9/2

4:20 pm-4:20 am

2 stops10h 00m

$258

Washington, D.C.San José

IAD - SJO

IADSJO

Washington, D.C. Dulles Intl

Thu 8/28

2:35 am-7:40 am

1 stop7h 05m

San José Juan Santamaria Intl

Fri 9/5

4:45 pm-4:20 am

1 stop9h 35m

$259

Washington, D.C.San José

IAD - SJO

IADSJO

Washington, D.C. Dulles Intl

Sat 11/8

8:09 pm-12:22 pm

1 stop17h 13m

San José Juan Santamaria Intl

Sat 11/22

1:09 pm-8:41 am

2 stops18h 32m

$266

Washington, D.C.San José

IAD - SJO

IADSJO

Washington, D.C. Dulles Intl

Mon 1/19

6:00 am-12:55 pm

1 stop7h 55m

San José Juan Santamaria Intl

Fri 1/23

7:00 am-6:42 pm

1 stop10h 42m

$286

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
1
2

See travel insights to San José from

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

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

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

What is the cheapest month to fly to San José, San José Province?

The month of September is, on average, the cheapest month to fly to San José, San José Province from Washington, D.C. Dulles Intl Airport, with most prices found around $317. If you’re not able to fly to San José, San José Province in September, then May is your next best option. Flight prices from Washington, D.C. Dulles Intl Airport to San José, San José Province during May average around $334.

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

The cheapest day to depart from Washington, D.C. Dulles Intl Airport to San José, San José Province is on a Tuesday when prices can be found for as low as $370. The most expensive day to fly to San José, San José Province is Saturday, with ticket prices averaging around $690.

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

In the afternoon is the cheapest time of day to fly from Washington, D.C. Dulles Intl Airport to San José, San José Province when you can find flight prices for as low as $414. Flying to San José, San José Province in the afternoon is an ideal time because this is during off-peak travel hours. In the morning is when there is more demand to fly to San José, San José Province, so prices are often more expensive at around $780 per ticket.

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 to San José, San José Province?

You are more likely to see cheaper flights to San José, San José Province 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, San José Province for around $397 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to San José, San José Province from Washington, D.C. Dulles Intl Airport for as low as $351 on momondo.

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

There are 2 cabin classes available to choose from on Washington, D.C. Dulles Intl to San José Juan Santamaria Intl flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

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

As of August 2025, prices for Washington, D.C. Dulles Intl Airport to San José, San José Province flights are approximately 26% cheaper when compared to flights at the same time last year.

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

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, San José Province 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, San José Province (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, San José Province

Best Price Found

$98

Fastest flight time

4h 30m

Direct flights

Mon, Tue, Wed, Fri and Sun

Airports in San José, San José Province

1 airport
The best one-way flight to San José, San José Province from Washington, D.C. Dulles Intl Airport in the past 72 hours is $98. The best round-trip flight deal from Washington, D.C. Dulles Intl Airport to San José, San José Province found on momondo in the last 72 hours is $239.
The fastest flight from Washington, D.C. Dulles Intl Airport to San José, San José Province takes 4h 30m
Direct flights go from Washington, D.C. Dulles Intl Airport to San José, San José Province on Monday, Tuesday, Wednesday, Friday and Sunday. Airlines offering direct flights are: United Airlines and Avianca.
There is 1 airport near San José, San José Province: San José Juan Santamaria Intl (SJO)
Search flight deals

  • 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 30m.

  • 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?

  • 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, San José Province?

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

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

Compare and see reviews for airlines that fly from Washington, D.C. Dulles Intl Airport to San José, San José Province with momondo
Airline
Rating
Free Cancellation
Price
DeltaPriceFrom $174Free CancellationRating
8.0
7,986 reviews
Search Delta flights
Volaris El SalvadorPriceFrom $200Free CancellationRating
7.4
26 reviews
Search Volaris El Salvador flights
United AirlinesPriceFrom $215Free CancellationRating
7.4
8,919 reviews
Search United Airlines flights
American AirlinesPriceFrom $236Free CancellationRating
7.2
10,000 reviews
Search American Airlines flights
AviancaPriceFrom $260Free CancellationRating
6.7
2,407 reviews
Search Avianca flights
Copa AirlinesPriceFrom $268Free CancellationRating
7.5
1,509 reviews
Search Copa Airlines flights

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

    The lowest priced Avianca flight from Washington, D.C. Dulles Intl Airport to San José, San José Province from the last 72 hours was $260. Generally, Avianca has 4 flights on this route every week with an average price of $391. Avianca is rated 6.7/10 by our users.

Traveling to a place near San José?

Book flights to San José if you plan to visit one of these locations
Manuel Antonio
Jacó
Alajuela
Monteverde
Heredia
Dominical
Santa Elena
Esterillos Este

Why use momondo?

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.

An easier way to manage your San José, San José Province trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.
Start using Trips
Find my bookings

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.
1 adult
Fri 8/22
Fri 8/29
By creating a price alert you accept our terms of use and privacy policy.

Find better results for your trip to Costa Rica