Cheap flights from Dulles Intl (IAD) to San José (SJO) from $144

This is the cheapest one-way flight price, found on 9/20. Prices may vary by date and flight preferences.
IAD — SJO
sep. 26 — oct. 31

How to find the cheapest flight from Dulles Intl (IAD) to San José (SJO)

All the information you need to plan the best IAD to SJO flight in 2023: compare Dulles Intl to San José flight prices with the expected peak season, weather and rainfall in San José.

Popular in

December

Cheapest in

May

Round-trip from

$414

One-way from

$154
High demand for flights, 32% potential price rise
Best time to find cheap flights, 25% potential price drop
From Washington, D.C. Dulles Intl to San José Juan Santamaria Intl
One-way flight from Washington, D.C. Dulles Intl to San José Juan Santamaria Intl

IAD - SJO

Price

$414 - $939

SJO

Temperature

64.4 - 69.8 °F

SJO

Rainfall

0 - 11.8 inches

How far in advance should I book a flight from Washington, D.C. Dulles Intl Airport to San José, San José Province?

To save on the cost of your flight from Washington, D.C. Dulles Intl Airport to San José, San José Province, book at least 54 days before your planned departure. Booking around this time can save you about 26% on the cost of this flight compared to booking a flight leaving this week. We have found prices from $555 if you need a flight within two weeks. For flights within the next 72 hours, you can find tickets from as low as $619.

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

Due to multiple factors, expect to potentially pay more when booking in December. For low rates, May can be a great choice for travel to San José, San José Province. Flights to San José, San José Province from Washington, D.C. Dulles Intl Airport in May are about $455 on average during May, but can be found for as low as $241.

When is the cheapest time to fly from Washington, D.C. Dulles Intl Airport to San José, San José Province (IAD - SJO)?

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Washington, D.C. Dulles Intl Airport to San José, San José Province as you normally would.

Cheap Avianca flights from Dulles Intl to San José

Take a look at some of the lowest-priced Avianca flights heading from Washington, D.C. to San José. Deals update often to give you more flight options matching your criteria
  • If you’re traveling from Washington, D.C. Dulles Intl Airport to San José, San José Province, one of the more common airlines traveling that route is Avianca. Flights on this route from Avianca typically cost $758.31 RT, a price that is 30% more expensive than the average Washington, D.C. Dulles Intl Airport to San José, San José Province flight. The cheapest flight found was $228 RT. The most popular departure airport in Washington, D.C. Dulles Intl Airport when flying to San José, San José Province is Washington, D.C. Dulles Intl Airport. The most popular airport to fly into when visiting San José, San José Province is San José Juan Santamaria Intl Airport. When flying from Washington, D.C. Dulles Intl Airport to San José, San José Province, Avianca flights are 4% more popular than any other airline flying that same route.

Cheap Copa Airlines flights from Dulles Intl to San José

To aid your search, here are some of the cheapest Copa Airlines flights we've found from Washington, D.C. to San José. Deals are refreshing constantly so come back soon for more options.
  • Copa Airlines is one of the most popular airlines used for those traveling from Washington, D.C. Dulles Intl Airport to San José, San José Province. Flights on this route from Copa Airlines typically cost $443.75 RT, a price that is 66% more expensive than the average Washington, D.C. Dulles Intl Airport to San José, San José Province flight. The cheapest flight found was $242 RT. The most popular departure airport in Washington, D.C. Dulles Intl Airport when flying to San José, San José Province is Washington, D.C. Dulles Intl Airport. The most popular airport to fly into when visiting San José, San José Province is San José Juan Santamaria Intl Airport. When flying from Washington, D.C. Dulles Intl Airport to San José, San José Province, Copa Airlines flights are -3% more popular than any other airline flying that same route.

Cheap Dulles Intl to San José flights in September & October 2023

The best prices found for IAD to SJO flights for September, October
These are some of the best deals we've found on flights to San José in 2023 at this time. Check back soon for alternative fares.

Dulles Intl to San José 2023 flight deals

Cheap flights to San José from Dulles Intl found for this year
These are some of the best deals we've found on flights to San José in 2023 at this time. Check back soon for alternative fares.

Non-stop flights to San José from Dulles Intl

Save time with Dulles Intl to San José direct flight deals
For a shorter flight, select one of these non-stop flights from Washington, D.C. to San José. Those looking to potentially save on 1 or 2-stop flights from Washington, D.C. to San José should utilize the search form at the the top of the page.

Dulles Intl to San José flights leaving soon

Late deals on return flights to San José from Dulles Intl, departing today and this week
Users seeking a last-minute flight from Washington, D.C. to San José should consider booking one of these fares. Users should be sure to double check the price, date, and time of their last-minute flight.

One-way flights to San José from Dulles Intl

The cheapest one-way flights from Dulles Intl to San José
Users traveling one-way from Washington, D.C. to San José can select one of these great deals. Users in need of a round-trip flight from Washington, D.C. to San José instead should update the search form at the top of page.

Find flights from Dulles Intl to San José within your budget

Use the slider to find flights from Dulles Intl to San José that fit your budget.

Fly from

Any airport

Fly to

Any airport

Budget

$226 - $345

Route

Depart

Return

Price

Washington, D.C. Dulles IntlSan José Juan Santamaria Intl

IAD - SJO

IADSJO

Washington, D.C. Dulles Intl

jue. 10/12

2 stops17h 50m

San José Juan Santamaria Intl

mié. 10/18

2 stops19h 15m

Washington, D.C. Dulles IntlSan José Juan Santamaria Intl

IAD - SJO

IADSJO

Washington, D.C. Dulles Intl

jue. 10/12

3 stops19h 55m

San José Juan Santamaria Intl

dom. 10/15

2 stops19h 15m

Washington, D.C. Dulles IntlSan José Juan Santamaria Intl

IAD - SJO

IADSJO

Washington, D.C. Dulles Intl

jue. 2/1

2 stops18h 10m

San José Juan Santamaria Intl

dom. 3/10

2 stops10h 05m

Washington, D.C. Dulles IntlSan José Juan Santamaria Intl

IAD - SJO

IADSJO

Washington, D.C. Dulles Intl

lun. 10/9

2 stops9h 45m

San José Juan Santamaria Intl

dom. 10/15

2 stops19h 15m

Washington, D.C. Dulles IntlSan José Juan Santamaria Intl

IAD - SJO

IADSJO

Washington, D.C. Dulles Intl

jue. 10/12

3 stops19h 55m

San José Juan Santamaria Intl

dom. 10/15

2 stops19h 15m

Washington, D.C. Dulles IntlSan José Juan Santamaria Intl

IAD - SJO

IADSJO

Washington, D.C. Dulles Intl

jue. 10/12

1 stop7h 55m

San José Juan Santamaria Intl

mar. 10/17

2 stops8h 45m

Washington, D.C. Dulles IntlSan José Juan Santamaria Intl

IAD - SJO

IADSJO

Washington, D.C. Dulles Intl

mié. 10/25

1 stop7h 14m

San José Juan Santamaria Intl

dom. 10/29

1 stop16h 38m

Washington, D.C. Dulles IntlSan José Juan Santamaria Intl

IAD - SJO

IADSJO

Washington, D.C. Dulles Intl

vie. 10/6

3 stops18h 25m

San José Juan Santamaria Intl

lun. 10/9

2 stops18h 50m

Washington, D.C. Dulles IntlSan José Juan Santamaria Intl

IAD - SJO

IADSJO

Washington, D.C. Dulles Intl

jue. 11/16

1 stop8h 11m

San José Juan Santamaria Intl

lun. 11/20

1 stop13h 54m

Flights are sorted by cheapest first

Deals found on 9/19

Reviews of airlines servicing San José

Get a feel of what it's like to fly with Avianca and Copa Airlines from Washington, D.C. to San José by reading reviews from past customers. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
United Airlines
7.4
Good
1,887 reviews

Overall

7.4

Comfort

7.3

Entertainment

7.0

Food

6.7

Boarding

7.7

Crew

8.1

Reviews

1 / 10

Small plane with tight seating but timely schedule and excellent crew that was very accommodating

United Airlines
7.4
Good
1,887 reviews
United Airlines
7.4
Good
1,887 reviews

Overall

7.4

Comfort

7.3

Entertainment

7.0

Food

6.7

Boarding

7.7

Crew

8.1

Reviews

1 / 10

Small plane with tight seating but timely schedule and excellent crew that was very accommodating

Copa Airlines
7.3
Good
347 reviews
United Airlines
7.4
Good
1,887 reviews

Overall

7.4

Comfort

7.3

Entertainment

7.0

Food

6.7

Boarding

7.7

Crew

8.1

Reviews

1 / 10

Small plane with tight seating but timely schedule and excellent crew that was very accommodating

American Airlines
7.2
Good
2,635 reviews
United Airlines
7.4
Good
1,887 reviews

Overall

7.4

Comfort

7.3

Entertainment

7.0

Food

6.7

Boarding

7.7

Crew

8.1

Reviews

1 / 10

Small plane with tight seating but timely schedule and excellent crew that was very accommodating

Aeromexico
7.0
Good
667 reviews
United Airlines
7.4
Good
1,887 reviews

Overall

7.4

Comfort

7.3

Entertainment

7.0

Food

6.7

Boarding

7.7

Crew

8.1

Reviews

1 / 10

Small plane with tight seating but timely schedule and excellent crew that was very accommodating

Avianca
6.9
Okay
958 reviews
United Airlines
7.4
Good
1,887 reviews

Overall

7.4

Comfort

7.3

Entertainment

7.0

Food

6.7

Boarding

7.7

Crew

8.1

Reviews

1 / 10

Small plane with tight seating but timely schedule and excellent crew that was very accommodating

Related info for your journey

Useful info, stats and facts about Dulles Intl to San José flights.

What airport do you fly into for flights to San José from Washington, D.C. Dulles Intl?

Most people fly into San José Juan Santamaria Intl (SJO) if they book a flight to San José from Washington, D.C. Dulles Intl. On average, Juan Santamaria Intl has 1 inbound flight from Washington, D.C. Dulles Intl per day from 6 airlines. San José Juan Santamaria Intl is conveniently located just 8.8 mi from San José’s city center.

Can I find flights from Washington, D.C. Dulles Intl Airport to San José, San José Province for under $300 on Cheapflights?

Yes, there are multiple flights from Washington, D.C. Dulles Intl Airport to San José, San José Province for under $300. The cheapest flight booked recently is on Avianca for just $226, but on average you can expect to pay $235.

Are there nonstop flights from Washington, D.C. Dulles Intl Airport to San José, San José Province for under $400 on Cheapflights?

Cheapflights has at least 20 direct flights from Washington, D.C. Dulles Intl Airport to San José, San José Province under $400. A good price for a nonstop flight from Washington, D.C. Dulles Intl Airport to San José, San José Province is less than $412.

Are there last-minute flights available from Washington, D.C. Dulles Intl Airport to San José, San José Province for under $300?

There are currently 20+ open flights from Washington, D.C. Dulles Intl Airport to San José, San José Province within the next 7 days for less than $300.

What is the cheapest airline to fly from Washington, D.C. Dulles Intl Airport to San José, San José Province round-trip?

Flying on Avianca is currently your cheapest option to San José, San José Province, with prices starting at $226. You may be able to fly from Washington, D.C. Dulles Intl Airport to San José, San José Province for 49% less than the average price by searching for this airline.

What are the most popular airlines that fly from Washington, D.C. Dulles Intl Airport to San José, San José Province?

What are the cheapest flights from Washington, D.C. Dulles Intl Airport to San José, San José Province?

Looking at all options, your cheapest flight can be booked for $97. While the most popular route (Washington, D.C. Dulles Intl - San José Juan Santamaria Intl) can be booked for $232 on average our data indicates $349 when flying from Washington, D.C. Dulles Intl Airport to San José, San José Province.

What does IAD to SJO mean?

This is defined as Washington, D.C. Dulles Intl Airport (IAD) and San José Juan Santamaria Intl Airport (SJO). Codes like San José Juan Santamaria Intl Airport are often used to just call airports uniquely.

Top 6 airlines flying from Dulles Intl to San José

The chart below displays the airlines Cheapflights users traveling from Dulles Intl to San José choose most often. Cheapest and average prices are based on aggregated data from the past 12 months.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$228Average$758FlexibilityNo cancel feeOn-time69%
Search United Airlines flights
AviancaCheapest$242Average$444FlexibilityNo cancel feeOn-time71%
Search Avianca flights
Volaris Costa RicaCheapest$255Average$326FlexibilityNo cancel feeOn-timeN/A
Search Volaris Costa Rica flights
Copa AirlinesCheapest$269Average$432FlexibilityNo cancel feeOn-time70%
Search Copa Airlines flights
VolarisCheapest$296Average$479FlexibilityNo cancel feeOn-time79%
Search Volaris flights
American AirlinesCheapest$314Average$625FlexibilityNo cancel feeOn-time71%
Search American Airlines flights

Hourly flight availability from Dulles Intl to San José

See what time of day planes typically take off from Dulles Intl to San José
100%of flight departuresEarly morningMidnight to 6 am
0%of flight departuresMorning6 am to noon
0%of flight departuresAfternoonNoon to 6 pm
0%of flight departuresEvening6 pm to midnight
Midnight
6 AM
Noon
6 PM

Weekly flight availability from Dulles Intl to San José

See how many times per day planes take to the skies headed from Dulles Intl to San José
Sunday2daily flights
Monday1daily flight
Tuesday1daily flight
Wednesday1daily flight
Thursday1daily flight
Friday1daily flight
Saturday2daily flights
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