Cheap Flights from Washington Dulles to San Jose Juan Santamaria

Compare Washington Dulles to San Jose Juan Santamaria flight deals

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Flight deals from Washington Dulles to San Jose Juan Santamaria

Looking for a cheap last-minute deal or the best return flight from Washington Dulles to San Jose Juan Santamaria? Find the lowest prices on one-way and return tickets right here.

Find the cheapest month to fly from Washington Dulles to San Jose Juan Santamaria

We’re always keeping an eye on fares, so you can find the best one in seconds. It looks like Washington Dulles to San Jose Juan Santamaria flights are currently cheapest in August.

Direct flights from Washington Dulles to San Jose Juan Santamaria

Washington Dulles to San Jose Juan Santamaria: Alternative routes

Compare routes from Washington Dulles to San Jose below. You may find an airport to fly into that's cheaper, faster, or easier than San Jose Juan Santamaria.

Washington D.C. to San Jose: Flight information

The things to know before you go.
Cheapest flight foundRs31,258
Cheapest month to flyAugust
Average flight time4 hrs, 50 mins
Most popular airlineAvianca Costa Rica
Average flights per week6

Finding cheap flights from Washington Dulles to San Jose Juan Santamaria: Frequently asked questions

The best price we found for a return flight from Washington Dulles to San Jose Juan Santamaria is Rs63,936. This is an estimate based on information collected from different airlines and travel providers over the last 4 days and is subject to change and availability.
4 hours and 50 minutes is the average flight time from Washington Dulles to San Jose Juan Santamaria.
Avianca Costa Rica, Avianca and United fly direct from Washington Dulles to San Jose Juan Santamaria.
As of June 2025, there are 6 flights per week flying from Washington Dulles to San Jose Juan Santamaria.
The cheapest month to fly from Washington Dulles to San Jose Juan Santamaria is usually June 2025.
After crunching the numbers on our flight calendar, we found that it's currently cheapest to fly from Washington Dulles Airport to San Jose Juan Santamaria Airport on Monday, 21 July 2025.
Yes – the average flight time is 4 hours and 50 minutes.
We show every price from over 1,200 airlines and travel agents, comparing them all so you don’t have to. If you know you want to fly to San Jose Juan Santamaria but you’re not ready to book, set up a Price Alert. We’ll track prices for you, and let you know when they rise or fall.
We crunched all the numbers in our flight calendar and it looks like the cheapest time to book a flight to San Jose is around 40 days in advance, so don’t leave your flight to the last minute.
Currently, Avianca offers the cheapest flight tickets to San Jose Juan Santamaria.

Flying from Washington Dulles International Airport (IAD) to Juan Santamaria International Airport (SJO): what you need to know

  • Around 4 hours 45 minutes is how long you can expect to be travelling on a direct flight from Washington Dulles International Airport to Juan Santamaria International Airport.

  • San Jose is two hours behind Washington DC and is in the UTC-6 timezone.

  • Flights from IAD to SJO start from 01:05 — the first with AVIANCA. The last departure is at 23:55 with AVIANCA. In total, you can take your pick of three weekly Washington Dulles International Airport to Juan Santamaria International Airport flights.

  • Leave plenty of time to catch your IAD to SJO flight. Generally, it's best to arrive two hours before international departures and an hour ahead for domestic flights.

  • Flying during a peak month such as April? Major public holidays and other popular seasons can mean longer queues at security. Play things extra safe and get there up to four hours ahead of an international flight and two hours before a domestic departure.

  • AVIANCA is your gateway to discovering San Jose (and maybe even some other great parts of Costa Rica!). Browse the direct flights from Washington Dulles International Airport to Juan Santamaria International Airport offered by this popular carrier.

  • The majority of passengers choose to travel with AVIANCA on this route.

  • With a dependable 84.0% of services arriving as scheduled, AVIANCA has the best on-time performance for IAD to SJO flights.

  • We make it simple to book a flight with a stopover. To see your options for tickets from Washington Dulles International Airport to Juan Santamaria International Airport, deselect 'Direct flights only.' Then, choose a flight that has a stop long enough to explore your chosen city. Stopovers between IAD and SJO include:

    • El Salvador International Airport

    • La Aurora International Airport

    • Hartsfield-Jackson Atlanta International Airport

How to find the cheapest flights from Washington Dulles International Airport (IAD) to Juan Santamaria International Airport (SJO)

  • Rs31,258 is the best price for a one-way Washington Dulles International Airport to Juan Santamaria International Airport flight. A return flight starts from Rs63,936. These fares may change depending on availability.

  • Book five months before travelling. After crunching the numbers on our calendar, this is how far you should book ahead to secure cheap tickets from IAD to SJO.

  • The cheapest month for flights from Washington Dulles International Airport to Juan Santamaria International Airport is April. Use the 'Whole month' tool to see the lowest prices if you have flexible dates.

  • Stay on top of deals for cheap flights from IAD to SJO by creating a Price Alert. You'll receive an email or notification on the app when a new discounted fare appears.

  • Tailor your flights using filters. Pick your ideal departure and arrival times, airlines and total journey duration. You can also sort results by 'Fastest,' 'Best' or 'Cheapest' flights from Washington Dulles International Airport to Juan Santamaria International Airport.

Handy information about Washington Dulles International Airport (IAD)

  • IAD's address is 1 Saarinen Circle.

  • Of all flights leaving Washington Dulles International Airport, 74.39% touch down on time at their destination.

  • Washington Dulles International Airport is about 56 kilometres from central Washington DC. If you're driving, ride-sharing or catching a cab from the centre, it'll take you 50 minutes or so to arrive, depending on the traffic.

  • Expect a journey time of roughly 3 hours 25 minutes on public transport.

  • Get your journey off to a hassle-free start by staying near IAD. Whether you have an early flight from Washington Dulles International Airport to Juan Santamaria International Airport or just don't want to be rushed, these stays are perfect:

Arriving at Juan Santamaria International Airport (SJO)

  • Consider staying in a hotel near SJO if you have a late Washington Dulles International Airport to Juan Santamaria International Airport flight. Settle into one of these options and avoid the hassle of a long transfer:

  • Travel at your own speed with a Juan Santamaria International Airport rental car. Pick up your wheels from NextCar, Europcar or Dollar and chase adventure across San Jose and beyond.

  • Booking your vehicle from Juan Santamaria International Airport around three weeks in advance increases your chances of getting a good deal.

Getting from Juan Santamaria International Airport (SJO) to central San Jose

  • From Juan Santamaria International Airport, San Jose is approximately 18 kilometres away. It takes around 20 minutes to reach the centre by car.

  • Getting there by public transport takes around 2 hours 20 minutes.

When to fly to Juan Santamaria International Airport (SJO)

  • July is the most popular month for flights from Washington Dulles International Airport to Juan Santamaria International Airport. For a quieter experience, visit San Jose in May.

  • The warmest month in San Jose is March, with the temperature ranging between 12ºC and 29ºC. Lock in your flights from Washington Dulles International Airport to Juan Santamaria International Airport in this month if this is the kind of weather you like.

  • Search for cheap tickets from IAD to SJO in January if you like travelling in cooler conditions. Temperatures are at their lowest around then, ranging between 12ºC and 26ºC on average.

Explore more of Costa Rica

  • Limon is just one of the many cities in Costa Rica waiting to be explored after you've seen San Jose. Around 113 kilometres away to the east, well-known attractions include Veragua Rainforest Park, Playa Bonita and Cruise Pier Puerto Limon.

  • Alajuela is another well-known destination in Costa Rica and is around 18 kilometres north-west of San Jose. No journey is complete without seeing La Perla Park, Los Duendes Park and Finca El Soto.

Prices shown on this page are estimated lowest prices only. Found in the last 45 days.