S$220 Cheap Flights from Washington to San José

View S$220 flight on Sat, 28 Feb, 2026Opens in a new window

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

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

Prices were available within the past 7 days and start at S$220 for one-way flights and S$472 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

United
Sat, 28 Feb - Sun, 8 Mar
IAD
Washington
SJO
San José
S$472 Return, found 5 days ago
S$472
Return
found 5 days ago
Select United flight, departing Sat, 28 Feb from Washington to San José, returning Sun, 8 Mar, priced at S$472 found 5 days ago
Aeromexico
Sat, 28 Feb - Sun, 8 Mar
IAD
Washington
SJO
San José
S$1,036 Return, found 5 days ago
S$1,036
Return
found 5 days ago
Select Aeromexico flight, departing Sat, 28 Feb from Washington to San José, returning Sun, 8 Mar, priced at S$1,036 found 5 days ago

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

September is typically the cheapest month to fly

From S$296 - S$426 per traveller.

Graph displaying average flight prices per month

Washington to San José route information
Origin airport
Washington Dulles Intl.
Destination airport
Juan Santamaría Intl.
Return price
S$472
Distance
3269 km
Average flight time
3 hours 47 mins

Perfect flights from Washington to San José

Your Journey from Washington to San José

Start your unforgettable journey with Expedia. Our broad selection of flights from Washington to San José 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 Copa, American Airlines, avianca, United, Aeromexico. Our selection of flights from Washington Dulles Intl. to Juan Santamaría Intl. caters to every traveler's requirements, ensuring your journey aligns with your schedule. With options from 9 airlines, you're bound to find the perfect flight.
 

Maximizing Value with Washington to San José Flights

Experience the joy of finding cheap flights from Washington Dulles Intl. to Juan Santamaría Intl. that fit your budget. Keep an eye out for our special deals and discounts, and check our flexible one-way fares from S$220 and roundtrip prices from S$472*.
 

Pre-Flight Essentials

Ensure a smooth journey from Washington to San José 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 San José

Picture yourself stepping off the plane in San José 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 Washington to San José 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 Washington to San José.
 

Beyond the Flight – Exploring San José

With Expedia, your adventure extends beyond the flight. Explore San José 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 Washington to San José 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 Washington to San José 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 Dulles Intl. Airport to SJO?
Within the past 7 days on Expedia, for flights departing within the next year, the lowest price listed for a round-trip flight from Dulles Intl. Airport to Juan Santamaria Intl. Airport was S$472. Great fares don't stick around for long, so make sure you book yours ASAP. Prices and availability are subject to change. Additional terms apply.
Do I need to pay a cancellation fee if I cancel my flight from Dulles Intl. Airport to SJO?
This varies between airlines, as each has its own set of terms and conditions. Head to the Customer Service Portal, where you'll find simple instructions on how to cancel your flight online.
How do I find cheap flights from IAD to SJO 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 Washington Dulles Intl. Airport (IAD) to Juan Santamaria Intl. Airport flights, you'll see a "no change fees" filter for you to select.
How far is the flight from Washington Dulles Intl. Airport (IAD) to SJO?
The flying distance between IAD (IAD) and Juan Santamaria Intl. Airport (SJO) (SJO) is 3,300 kilometres. Squeeze in a nap or finish that novel and the trip will zip by.
Which airlines fly direct from Dulles Intl. Airport to Juan Santamaria Intl. Airport?
United Airlines (UA) will get you from Washington Dulles Intl. Airport (IAD) to Juan Santamaria Intl. Airport (SJO) comfortably and reliably. Choose from 4 flights each month along this route.
Are IAD to Juan Santamaria Intl. Airport flight tickets cheaper when they're purchased at the last minute?
Booking your trip from IAD to SJO at the last minute could be your ticket to a fantastic deal. However, it might cost you a whole lot more! If you'd rather err on the side of caution, book well ahead of your departure date. In fact, Expedia has some of the biggest bargains up to a year in advance. If your preferred air carrier hasn't released tickets yet, check back often as deals are updated all the time on Expedia.

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