IAD - SJO

$168 Find Cheap Flights from Washington Dulles Airport to San José - Compare and Save

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Everything you should know

Cheapest round-trip
$363
Typical prices: $337-$566
Copa Airlines
Fri 10/12Mon 10/15
IAD - SJO • 1 stop
Cheapest non-stop
$379
Typical prices: $340-$764
United Airlines
Wed 11/14Wed 11/21
IAD - SJO • Non-stop
Nonstop flights
You can fly direct with United Airlines. Average duration is 5h 01m
Direct flights
+1
Direct flights
+1
When to travel
Cheapest • 35% price drop
Most popular
Good to know
+1
Good to know
+1
Top layover airports
Cheapest • Avg $423 (round-trip)
Shortest trip • 7h 13m (one-way)
Insights
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Flight Deals

Cheap Flights from Dulles Intl to San José (IAD-SJO)

 
Discover the best prices for you by selecting your travel dates on KAYAK.

Recent round-trip flight deals from Dulles Intl to San José

Mon, Oct 12 - Thu, Oct 15
Copa Airlines Logo
2:25 am - 8:19 amIAD  Washington, D.C. Dulles Intl-SJO San José Juan Santamaria Intl
7h 54m1 stop Panama City Tocumen Intl
Copa Airlines Logo
10:03 am - 12:32 amSJO  San José Juan Santamaria Intl-IAD Washington, D.C. Dulles Intl
12h 29m1 stop Panama City Tocumen Intl
$363Copa Airlines
Tue, Oct 6 - Tue, Oct 20
Copa Airlines Logo
4:34 pm - 10:58 amIAD  Washington, D.C. Dulles Intl-SJO San José Juan Santamaria Intl
20h 24m1 stop Panama City Tocumen Intl
Copa Airlines Logo
5:55 pm - 4:20 amSJO  San José Juan Santamaria Intl-IAD Washington, D.C. Dulles Intl
8h 25m1 stop Panama City Tocumen Intl
$366Copa Airlines
Mon, Sep 28 - Wed, Oct 7
Avianca Logo
3:40 am - 8:30 amIAD  Washington, D.C. Dulles Intl-SJO San José Juan Santamaria Intl
6h 50m1 stop Guatemala City La Aurora
Avianca Logo
5:05 am - 3:55 pmSJO  San José Juan Santamaria Intl-IAD Washington, D.C. Dulles Intl
8h 50m1 stop San Salvador El Salvador Intl
$366Avianca
Tue, Nov 3 - Wed, Nov 11
Avianca Logo
2:30 am - 8:35 amIAD  Washington, D.C. Dulles Intl-SJO San José Juan Santamaria Intl
7h 05m1 stop Guatemala City La Aurora
Avianca Logo
7:45 pm - 3:15 amSJO  San José Juan Santamaria Intl-IAD Washington, D.C. Dulles Intl
6h 30m1 stop San Salvador El Salvador Intl
$366Avianca
Sat, Oct 31 - Sat, Nov 7
United Airlines Logo
6:00 am - 12:22 pmIAD  Washington, D.C. Dulles Intl-SJO San José Juan Santamaria Intl
8h 22m1 stop Houston George Bush Intcntl
United Airlines Logo
2:15 pm - 7:59 pmSJO  San José Juan Santamaria Intl-IAD Washington, D.C. Dulles Intl
4h 44mnonstop
$368United Airlines
Sun, Nov 15 - Sat, Nov 21
United Airlines Logo
6:00 am - 1:22 pmIAD  Washington, D.C. Dulles Intl-SJO San José Juan Santamaria Intl
8h 22m1 stop Houston George Bush Intcntl
United Airlines Logo
2:15 pm - 7:59 pmSJO  San José Juan Santamaria Intl-IAD Washington, D.C. Dulles Intl
4h 44mnonstop
$368United Airlines
Sun, Mar 14 - Thu, Mar 25
Multiple Airlines Logo
6:40 am - 11:59 pmIAD  Washington, D.C. Dulles Intl-SJO San José Juan Santamaria Intl
19h 19m1 stop Guadalajara Miguel Hidal
Multiple Airlines Logo
4:15 pm - 6:00 amSJO  San José Juan Santamaria Intl-IAD Washington, D.C. Dulles Intl
11h 45m1 stop Guadalajara Miguel Hidal
$369Multiple Airlines
Thu, Oct 29 - Tue, Nov 3
American Airlines Logo
6:42 am - 2:00 pmIAD  Washington, D.C. Dulles Intl-SJO San José Juan Santamaria Intl
9h 18m1 stop Dallas/Fort Worth
American Airlines Logo
2:07 pm - 10:59 pmSJO  San José Juan Santamaria Intl-IAD Washington, D.C. Dulles Intl
7h 52m1 stop Charlotte Douglas
$378American Airlines
Sat, Oct 31 - Sat, Nov 7
American Airlines Logo
5:01 am - 2:00 pmIAD  Washington, D.C. Dulles Intl-SJO San José Juan Santamaria Intl
10h 59m2 stops Charlotte Douglas Dallas/Fort Worth
American Airlines Logo
6:20 am - 11:30 pmSJO  San José Juan Santamaria Intl-IAD Washington, D.C. Dulles Intl
16h 10m2 stops Miami Dallas/Fort Worth
$383American Airlines
Sun, Jan 3 - Thu, Jan 14
Multiple Airlines Logo
6:40 am - 11:59 pmIAD  Washington, D.C. Dulles Intl-SJO San José Juan Santamaria Intl
18h 19m1 stop Guadalajara Miguel Hidal
Multiple Airlines Logo
4:15 pm - 5:00 amSJO  San José Juan Santamaria Intl-IAD Washington, D.C. Dulles Intl
11h 45m1 stop Guadalajara Miguel Hidal
$432Multiple Airlines
Booking Insights

Price, demand and travel trends for Washington, D.C. Dulles Intl Airport to San José flights

Use KAYAK data on prices, travel dates, airlines and seasonal trends to compare options and book flights from Washington, D.C. Dulles Intl Airport to San José with more confidence.

How much is a round-trip flight from Washington, D.C. Dulles Intl Airport to San José?

Round-trip flights from Washington, D.C. Dulles Intl Airport to San José start at $363. Prices are typical for this route right now, with typical round-trip fares ranging from $337 to $566. The lowest price found in the past 5 days was $363 on Copa Airlines.

What's the cheapest day of the week to fly from Washington, D.C. Dulles Intl Airport to San José?

Tuesday is the cheapest day of the week to fly from Washington, D.C. Dulles Intl Airport to San José, it is 12% cheaper than the average day. Saturday is the most expensive day with flight prices 20% higher than average. Based on deals found by KAYAK users in the last 12 months.

What is the cheapest month to fly from Washington, D.C. Dulles Intl Airport to San José?

  • October is the cheapest month to fly from Washington, D.C. Dulles Intl Airport to San José at $273 round-trip.
  • December ($676) and March ($464) are the most expensive months.
  • The price difference between flying in the cheapest and most expensive months is 147% on average.
This is based on KAYAK aggregated and averaged internal data over the past 12 months.

When are prices from Washington, D.C. Dulles Intl Airport to San José the cheapest?

Flights from Washington, D.C. Dulles Intl Airport to San José are cheapest in the last 2 weeks before departure, based on KAYAK prices tracked over the past 12 months. During this period, fares are 3% below average.

Expert advice

Expert advice for your flight from Dulles Intl to San José

 
KAYAK teamed up with top travel experts to share the best tips for your journey.
Our travel experts
Mark Chesnut

Mark Chesnut

Expert on Avianca and SJO

Mark Chesnut is a travel writer and public speaker with more than 30 years of experience. The 2019 winner of the NLGJA Excellence in Travel Writing Award, Mark is the author of the book “Prepare for Departure” and has covered air travel for multiple top consumer and trade media outlets.

Stefanie Waldek

Stefanie Waldek

Expert on United Airlines and IAD

Stefanie Waldek is a freelance space, travel, and design writer based in Saratoga Springs, NY. Her words have appeared in Space.com, Travel + Leisure, Condé Nast Traveler, Architectural Digest, and House Beautiful, among other publications. An expert in aviation and expedition cruising, Stefanie is frequently up in the air or on the sea, likely en route to Antarctica or the Arctic.

Key details for Washington, D.C. Dulles Intl Airport to San José flights

Low season

October

Cheapest flight

$168
Best time to beat the crowds with an average 35% drop in price.
Most popular time to fly and prices are also 13% lower on average.
Flight from Washington, D.C. Dulles Intl Airport to San José

When to book flights from Dulles Intl to San José

Are your dates flexible? Find out the best times to travel from Dulles Intl to San José based on our flight data from the last year. Discover the cheapest month and even day to fly.
Estimated round-trip price

Your Washington, D.C. Dulles Intl Airport to San José flight questions, answered

Find helpful route details based on KAYAK data, including flight times, airports, airlines and booking questions.

  • Which other nearby cities are served by the Juan Santamaría International Airport (SJO)?

    Juan Santamaría International Airport (SJO) primarily serves the capital city of Costa Rica, San José. However, it is also the main international gateway for travelers visiting various other cities and destinations within Costa Rica. They include Alajuela, Heredia, Cartago, and Jaco.

  • What are the most popular connecting routes between Washington Dulles Airport (IAD) and Juan Santamaría International Airport (SJO)?

    Many travelers between Washington Dulles Airport (IAD) and Juan Santamaría International Airport (SJO) connect through major US hubs such as Miami (MIA) or Dallas (DFW). These hubs offer multiple daily flights to SJO, providing convenient options for connecting passengers. Some connect through other Central American cities, such as Panama (PTY) or San Salvador (SAL).

  • What are the most eco-friendly airlines offering flights from Washington Dulles International Airport (IAD) to Juan Santamaría International (SJO)?

    Consider Delta, American Airlines, or Copa Airlines if you want to travel sustainably from Washington Dulles International Airport (IAD) to Juan Santamaría International (SJO). Delta has taken steps to reduce emissions and improve fuel efficiency. They've invested in modernizing their fleet, including more fuel-efficient aircraft. They also have a carbon offset program and initiatives to minimize waste.

  • Do airlines offer family services on trips between Washington Dulles International Airport (IAD) and Juan Santamaría International (SJO)?

    American Airlines, Copa Airlines, and Avianca are parents’ favorites between Washington Dulles International Airport (IAD) and Juan Santamaría International Airport (SJO). They offer in-flight entertainment options that often include a selection of family-friendly movies, TV shows, and games to keep children entertained during the journey.

  • Which airlines offer extra legroom and free seat selection on Washington, D.C. Dulles Intl Airport to San José flights?

    Among airlines operating Washington, D.C. Dulles Intl Airport to San José flights:

    • United Airlines: offers extra legroom; offers free seat selection

    Extra legroom and free seat selection availability depends on fare class and route.

  • What airlines are available from Washington, D.C. Dulles Intl Airport to San José?

    Only United Airlines operates flights between Washington, D.C. Dulles Intl Airport and San José.

  • Which airports can I use when flying from Washington, D.C. Dulles Intl Airport to San José?

    Flights from Washington, D.C. Dulles Intl Airport to San José usually depart from Washington, D.C. Dulles Intl (IAD) and arrive at San José Juan Santamaria Intl (SJO).

  • Which airlines include bags at no extra cost on Washington, D.C. Dulles Intl Airport to San José flights?

    Here are some options for this route, based on selected ticket types and cabin classes:

    • United Airlines: a cabin bag and a checked bag in Economy Class
    • Avianca: a cabin bag in Economy Class class
    • Copa Airlines: a cabin bag in Economy Class class

    Bag allowance can vary by ticket type, cabin class, route and airline, so travelers should check the fare details before booking.

  • What cabin classes can I book on flights from Washington, D.C. Dulles Intl Airport to San José?

    Three cabin classes are available on flights from Washington, D.C. Dulles Intl Airport to San José:

    • Economy Class
    • Business Class
    • First Class

  • How much can I save by taking a layover when flying from Washington, D.C. Dulles Intl Airport to San José?

    On this route, layover flights are cheaper than nonstop options on average. Layover fares average $423 round-trip via San Salvador El Salvador Intl (SAL), compared to $517 for nonstop.

  • What is the standard checked-bag allowance on flights from Washington, D.C. Dulles Intl Airport to San José?

    There is no standard. Checked-bag policies vary by airline on this route. Most carriers charge $35–$100 for the first checked bag in economy. Premium fares and elite-status bookings typically include a free checked bag.

  • Which aircraft model is used most often on flights from Washington, D.C. Dulles Intl Airport to San José?

    The Boeing 737 MAX 8 family is used most often on this route, operated mainly by United Airlines and Southwest. Other aircraft seen on the route include Airbus A320neo variants.

  • Which airports do connecting flights from Washington, D.C. Dulles Intl Airport to San José pass through?

    One-stop flights from Washington, D.C. Dulles Intl Airport to San José most commonly connect through:

    • Panama City Tocumen Intl (PTY) - 43% of one-stop connections
    • San Salvador El Salvador Intl (SAL) - 42% of one-stop connections
    • Guatemala City La Aurora (GUA) - 8% of one-stop connections
    • Houston George Bush Intcntl (IAH) - 3% of one-stop connections

    Panama City Tocumen Intl (PTY) handles the largest share of one-stop connections on this route.

  • Can I save money by using flexible dates for flights from Washington, D.C. Dulles Intl Airport to San José?

    Yes. Being flexible with your travel dates can save you up to 27% on the Washington, D.C. Dulles Intl Airport to San José route. Tuesday is the cheapest departure day at $372 round-trip on average, while Saturday is the most expensive at $506, a difference of $134. KAYAK's flexible dates feature shows options up to 3 days before and after your selected dates, making it easier to compare nearby fares.

  • What popular places can I visit in San José?

    Some of the most popular sights in San José are Parque Metropolitano La Sabana, Barrio Amón and Estadio Nacional de Costa Rica. These are among the most viewed places in San José on KAYAK.

  • What are the earliest and latest flights from Washington, D.C. Dulles Intl Airport to San José?

    These are the earliest and latest flight times available from Washington, D.C. Dulles Intl Airport to San José:

    • Earliest: departs at 8:59 am and lands at 2:00 pm
    • Latest: departs at 8:59 am and lands at 2:00 pm.

    The flight takes about 5h 01m.

  • How expensive are last-minute Washington, D.C. Dulles Intl Airport to San José flights?

    Last-minute fares on this route - booked within 2 weeks of departure - run 4% below the route average of $421. Booking late can sometimes save money on this route, but inventory is limited.

  • How long is a flight from Washington, D.C. Dulles Intl Airport to San José?

    A nonstop flight from Washington, D.C. Dulles Intl Airport to San José takes 5h 01m, covering 2,042 miles.

  • Do I need a passport to fly from Washington, D.C. Dulles Intl Airport to San José?

    Yes, a valid passport is required for this international route. Many destinations require at least six months of validity beyond your travel dates. Check your passport expiry well before booking.

  • Have flight prices from Washington, D.C. Dulles Intl Airport to San José changed much recently?

    Yes. Based on fares seen in the past 5 days, round-trip prices on this route showed a wide range, from about $366 to $3,448. That means the highest observed fare was about 9x higher than the lowest one.

  • How are flight prices from Washington, D.C. Dulles Intl Airport to San José looking right now?

    One-way fares from Washington, D.C. Dulles Intl Airport to San José are currently higher than usual. Average one-way flight prices are about $227, which is 21% above the typical average for this route.

  • How much time can I save by choosing a different layover airport from Washington, D.C. Dulles Intl Airport to San José?

    Flying via Guatemala City La Aurora (GUA) gives the shortest average 1-stop total travel time at 7h 13m, compared with 7h 46m via San Salvador El Salvador Intl (SAL) and 7h 57m via Charlotte Douglas (CLT).

  • What is the time difference between Washington, D.C. Dulles Intl Airport and San José?

    San José is 2 hours behind Washington, D.C. Dulles Intl Airport (Central Time vs Eastern Time). Plan for the time shift when scheduling connections or first-day activities.

  • What car rental options are available at San José Juan Santamaria Intl Airport (SJO)?

    San José Juan Santamaria Intl Airport (SJO) hosts 5 major car rental companies, with daily rates starting from around $1 for economy cars. Top options include:
    • Budget
    • Avis
    • Priceless
    • Routes Car & Truck Rentals
    • Payless

  • How much should I expect to pay for a Washington, D.C. Dulles Intl Airport to San José flight?

    Round-trip flights from Washington, D.C. Dulles Intl Airport to San José range from $337 to $566, with an average of $421 over the past 12 months. Anything below $337 counts as a good deal.

Your guide to booking Washington, D.C. Dulles Intl Airport to San José flights

Get tips on when to book, when to fly and what to know before your trip.
  • If your dates can be flexible, aim for a Tuesday departure instead of Saturday. On this route, Tuesday flights average $372 - about $134 less than Saturday (26% savings) based on the last 12 months.
  • If you're flexible on your travel dates, booking last minute (within 2 weeks of departure) tends to be around 3% cheaper than the typical fare over the last 12 months, based on KAYAK data.
  • If you can choose when to travel, plan your Washington, D.C. Dulles Intl Airport to San José trip for October. Fares historically average $273 round-trip in that month - typically $403 less than the most expensive month, which is December (based on the last 12 months).
  • If you have the time, taking a 1-stop flight through San Salvador El Salvador Intl Airport (SAL) can be cheaper than flying direct. The cheapest layover option averages $423 round-trip on this route - about $94 less than direct flights (based on the last 12 months).
  • United Airlines is the primary carrier that operates the most flights from Washington Dulles International Airport (IAD). United Airlines has a major hub at IAD, and it offers a wide range of domestic and international flights from this airport, including to Juan Santamaría International Airport (SJO). Choosing this carrier lets you enjoy accelerated services and excellent amenities at IAD.
  • Several airlines that operate flights between Washington Dulles International Airport (IAD) and Juan Santamaría International Airport (SJO) in San Jose, Costa Rica, offer seat upgrades. These airlines might include major carriers like United Airlines and American Airlines, which allow passengers to move from the economy to business or first class cabins.
  • Major airlines operating between Washington Dulles International Airport (IAD) and Juan Santamaría International Airport (SJO), such as United Airlines and American Airlines, have put policies and services in place to assist passengers with disabilities. These services include wheelchair assistance, priority boarding, and special seating.
  • Although Ronald Reagan Airport (DCA) and Baltimore Airport (BWI) serve Washington, D.C., Washington Dulles International Airport (IAD) is a major gateway for international travel. It offers a wider range of international flights and connections to various destinations around the world compared to BWI and DCA. Still, the facility is known for its spacious terminals and modern facilities, providing a comfortable travel experience for passengers.
  • Passengers traveling in business and first class between Washington Dulles International Airport (IAD) and Juan Santamaría International Airport (SJO) experience more spacious and comfortable seating arrangements, with more legroom and wider seats that often recline fully into lie-flat beds. In addition, passengers will enjoy gourmet dining options tailored to their preferences. Meals may be served on demand, and some airlines offer the opportunity to pre-select your meal before the flight.

Prefer to fly direct from Washington Dulles Airport to San José?

 
Find which airlines fly direct from Washington, D.C. Dulles Intl Airport to San José Juan Santamaria Intl Airport, which days they fly and book direct flights.

Direct departures

Washington, D.C. Dulles Intl to San José Juan Santamaria Intl

Saturday

United Airlines

United Airlines

See more direct flights

Direct returns

San José Juan Santamaria Intl to Washington, D.C. Dulles Intl

Saturday

United Airlines

United Airlines

See more direct flights

More options for your flight from Dulles Intl to San José

Complete your trip to San José with a hotel stay or car rental