RM704 Cheap Flights from San José (SJO) to Washington (IAD)

View RM704 flight on Fri, 23 Jan 2026Opens in a new window

Popular airlines from Juan Santamaria Intl. Airport (SJO) to Washington Dulles Intl. Airport (IAD)

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Cheap Flights from San José to Washington (SJO-IAD)

Prices were available within the past 7 days and start at RM704 for one-way flights and RM1,336 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Delta
Fri, 23 Jan - Sun, 25 Jan
SJO
San José
IAD
Washington
RM1,336 Return, found 1 day ago
RM1,336
Return
found 1 day ago
Select Delta flight, departing Fri, 23 Jan from San José to Washington, returning Sun, 25 Jan, priced at RM1,336 found 1 day ago
Delta
Fri, 23 Jan - Sun, 25 Jan
SJO
San José
IAD
Washington
RM1,360 Return, found 1 day ago
RM1,360
Return
found 1 day ago
Select Delta flight, departing Fri, 23 Jan from San José to Washington, returning Sun, 25 Jan, priced at RM1,360 found 1 day ago
United
Fri, 23 Jan - Sun, 25 Jan
SJO
San José
IAD
Washington
RM1,459 Return, found 1 day ago
RM1,459
Return
found 1 day ago
Select United flight, departing Fri, 23 Jan from San José to Washington, returning Sun, 25 Jan, priced at RM1,459 found 1 day ago
Delta
Fri, 23 Jan - Sun, 25 Jan
SJO
San José
IAD
Washington
RM1,472 Return, found 1 day ago
RM1,472
Return
found 1 day ago
Select Delta flight, departing Fri, 23 Jan from San José to Washington, returning Sun, 25 Jan, priced at RM1,472 found 1 day ago
Delta
Fri, 23 Jan - Sun, 25 Jan
SJO
San José
IAD
Washington
RM1,493 Return, found 1 day ago
RM1,493
Return
found 1 day ago
Select Delta flight, departing Fri, 23 Jan from San José to Washington, returning Sun, 25 Jan, priced at RM1,493 found 1 day ago
Delta
Fri, 23 Jan - Sun, 25 Jan
SJO
San José
IAD
Washington
RM1,514 Return, found 1 day ago
RM1,514
Return
found 1 day ago
Select Delta flight, departing Fri, 23 Jan from San José to Washington, returning Sun, 25 Jan, priced at RM1,514 found 1 day ago
Delta
Fri, 23 Jan - Sun, 25 Jan
SJO
San José
IAD
Washington
RM1,522 Return, found 1 day ago
RM1,522
Return
found 1 day ago
Select Delta flight, departing Fri, 23 Jan from San José to Washington, returning Sun, 25 Jan, priced at RM1,522 found 1 day ago
avianca
Fri, 23 Jan - Sun, 25 Jan
SJO
San José
IAD
Washington
RM1,751 Return, found 1 day ago
RM1,751
Return
found 1 day ago
Select avianca flight, departing Fri, 23 Jan from San José to Washington, returning Sun, 25 Jan, priced at RM1,751 found 1 day ago
American Airlines
Fri, 23 Jan - Sun, 25 Jan
SJO
San José
IAD
Washington
RM1,771 Return, found 1 day ago
RM1,771
Return
found 1 day ago
Select American Airlines flight, departing Fri, 23 Jan from San José to Washington, returning Sun, 25 Jan, priced at RM1,771 found 1 day ago
Copa
Fri, 23 Jan - Sun, 25 Jan
SJO
San José
IAD
Washington
RM1,785 Return, found 1 day ago
RM1,785
Return
found 1 day ago
Select Copa flight, departing Fri, 23 Jan from San José to Washington, returning Sun, 25 Jan, priced at RM1,785 found 1 day ago

Find the cheapest month to fly from San José (SJO) to Washington (IAD)

November is typically the cheapest month to fly

From RM 890 - RM 1,632 per traveller.
San José to Washington route information
Origin airport
Juan Santamaría Intl.
Destination airport
Washington Dulles Intl.
Airlines serving
Aeromexico, American Airlines, Copa, Delta, United, avianca
Return price
RM1,336
Distance
3269 km
Average flight time
6 hours 21 mins

Perfect flights from San José to Washington

Your Journey from San José to Washington

Start your unforgettable journey with Expedia. Our broad selection of flights from San José to Washington caters to every travel need. Whether you're yearning for a romantic escape, a solo adventure, or a cultural immersion, we've got you covered.
 

Choosing Your Ideal Flight

With Expedia, you have access to a wide range of airlines, including Delta, United, Air Canada, avianca, American Airlines, Copa, Aeromexico. Our selection of flights from Juan Santamaría Intl. to Washington Dulles Intl. caters to every traveler's requirements, ensuring your journey aligns with your schedule. With options from 20 airlines, you're bound to find the perfect flight.
 

Maximizing Value with San José to Washington Flights

Experience the joy of finding cheap flights from Juan Santamaría Intl. to Washington Dulles Intl. that fit your budget. Keep an eye out for our special deals and discounts, and check our flexible one-way fares from RM704 and roundtrip prices from RM1,336*.
 

Pre-Flight Essentials

Ensure a smooth journey from San José to Washington with Expedia. From information about check-in times and in-flight amenities to guidance on baggage policies, we provide all the essentials to prepare you for your flight.
 

Experience the Vibrant Washington

Picture yourself stepping off the plane in Washington and immersing yourself in the unique atmosphere of . From local markets to cultural festivals, each city offers its distinct charm. Make the most of your trip by exploring local attractions and indulging in the local cuisine. With Expedia, explore all this and more, tailored to your budget.
 

Added Convenience on Your San José to Washington Flight

Traveling with Expedia is more than just a flight. We offer details about in-flight amenities, baggage policies, and more to ensure a smooth and hassle-free journey. Choose from our variety of airlines and embark on a memorable journey from San José to Washington.
 

Beyond the Flight – Exploring Washington

With Expedia, your adventure extends beyond the flight. Explore Washington at your own pace by renting a car or booking a hotel. Discover hidden gems off the beaten path and create unforgettable memories.
 

Book Your Flight from San José to Washington with Confidence

Planning your next great adventure is a breeze with Expedia. Our user-friendly platform, unbeatable prices, and round-the-clock customer support make your travel experience seamless and stress-free. Embark on your journey from San José to Washington with confidence. Book your travel arrangements with Expedia today.
 
*Note: Prices may vary based on availability and are subject to change.

Frequently asked questions

How much is a flight from Juan Santamaria Intl. Airport to Dulles Intl. Airport?
Round-trip journeys from SJO to Dulles Intl. Airport start from RM1,336. This figure is based on fares advertised within the last 7 days on Expedia for flights departing within the next year — book ASAP so you don't miss out. Prices and availability are subject to change. Additional terms apply.
Do I need to pay a cancellation fee if I cancel my flight from SJO to Washington Dulles Intl. Airport (IAD)?
The majority of flights can be conveniently cancelled online, but whether or not you incur a fee all comes down to your airline. If you do need to cancel your holiday, follow the easy instructions in the Customer Service Portal.
How do I find cheap flights from Juan Santamaria Intl. Airport (SJO) to IAD that have flexible change policies?
Many airlines offer the option to reschedule your flight without a change fee. All you pay is the difference between the original flight and the new flight. When you're searching for Juan Santamaria Intl. Airport to IAD flights, you'll see a "no change fees" filter for you to select.
How many hours is the flight from Juan Santamaria Intl. Airport to IAD?
The flight time from Juan Santamaria Intl. Airport (SJO) (SJO) to Washington Dulles Intl. Airport (IAD) (IAD) is about 9 hours and 21 minutes. It's is no quick joyride, so be sure to fill your hand luggage with plenty to keep you entertained.
How far is the flight from Juan Santamaria Intl. Airport to Dulles Intl. Airport?
You'll be in the air for a while, as the flight distance from SJO to Washington Dulles Intl. Airport (IAD) is 3,300 kilometres. Create a playlist of your favourite tunes before you leave home to keep yourself entertained during the flight.
Which airlines fly direct from SJO to IAD?
Flying directly from Juan Santamaria Intl. Airport (SJO) to IAD is simple with United Airlines (UA). This leading airline operates 4 flights each month.
Are Juan Santamaria Intl. Airport to IAD flight tickets cheaper when they're purchased at the last minute?
Late planners can sometimes pick up a bargain, with some super cheap airfares from Juan Santamaria Intl. Airport to IAD cropping up a few weeks before the date of departure. If you'd rather book ahead, Expedia compares and updates the best flight deals continuously — as early as 12 months in advance in some cases. It depends on the carrier though, as not all airlines issue prices that far in advance.

Explore a world of travel with Expedia

*Available to Expedia members.