$556 Cheap Flights from Seoul (ICN) to San José (SJO)

View $556 flight on Wed, Oct 15, 2025Opens in a new window

Popular airlines from Incheon Intl. Airport (ICN) to Juan Santamaria Intl. Airport (SJO)

Cheap Flights from Seoul to San José (ICN-SJO)

Prices were available within the past 7 days and start at $556 for one-way flights and $881 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Air Canada
Wed, Oct 29 - Mon, Nov 17
ICN
Seoul
SJO
San José
$881 Roundtrip, found 4 days ago
$881
Roundtrip
found 4 days ago
Select Air Canada flight, departing Wed, Oct 29 from Seoul to San José, returning Mon, Nov 17, priced at $881 found 4 days ago
Air Canada
Mon, Oct 20 - Wed, Oct 29
ICN
Seoul
SJO
San José
$891 Roundtrip, found 6 days ago
$891
Roundtrip
found 6 days ago
Select Air Canada flight, departing Mon, Oct 20 from Seoul to San José, returning Wed, Oct 29, priced at $891 found 6 days ago
Air Canada
Thu, Oct 16 - Thu, Nov 6
ICN
Seoul
SJO
San José
$907 Roundtrip, found 4 days ago
$907
Roundtrip
found 4 days ago
Select Air Canada flight, departing Thu, Oct 16 from Seoul to San José, returning Thu, Nov 6, priced at $907 found 4 days ago
Air Canada
Wed, Oct 8 - Sat, Oct 25
ICN
Seoul
SJO
San José
$914 Roundtrip, found 4 days ago
$914
Roundtrip
found 4 days ago
Select Air Canada flight, departing Wed, Oct 8 from Seoul to San José, returning Sat, Oct 25, priced at $914 found 4 days ago
Air Canada
Wed, Oct 22 - Sat, Nov 8
ICN
Seoul
SJO
San José
$920 Roundtrip, found 4 days ago
$920
Roundtrip
found 4 days ago
Select Air Canada flight, departing Wed, Oct 22 from Seoul to San José, returning Sat, Nov 8, priced at $920 found 4 days ago
American Airlines
Tue, Mar 17 - Fri, Mar 20
ICN
Seoul
SJO
San José
$922 Roundtrip, found 6 days ago
$922
Roundtrip
found 6 days ago
Select American Airlines flight, departing Tue, Mar 17 from Seoul to San José, returning Fri, Mar 20, priced at $922 found 6 days ago
Air Canada
Mon, Nov 17 - Mon, Nov 24
ICN
Seoul
SJO
San José
$923 Roundtrip, found 4 days ago
$923
Roundtrip
found 4 days ago
Select Air Canada flight, departing Mon, Nov 17 from Seoul to San José, returning Mon, Nov 24, priced at $923 found 4 days ago
Aeromexico
Fri, Dec 12 - Sat, Dec 27
ICN
Seoul
SJO
San José
$944 Roundtrip, found 4 days ago
$944
Roundtrip
found 4 days ago
Select Aeromexico flight, departing Fri, Dec 12 from Seoul to San José, returning Sat, Dec 27, priced at $944 found 4 days ago
Asiana Airlines
Thu, Nov 20 - Sun, Nov 23
ICN
Seoul
SJO
San José
$965 Roundtrip, found 4 days ago
$965
Roundtrip
found 4 days ago
Select Asiana Airlines flight, departing Thu, Nov 20 from Seoul to San José, returning Sun, Nov 23, priced at $965 found 4 days ago
United
Sun, Nov 16 - Mon, Nov 24
ICN
Seoul
SJO
San José
$1,771 Roundtrip, found 4 days ago
$1,771
Roundtrip
found 4 days ago
Select United flight, departing Sun, Nov 16 from Seoul to San José, returning Mon, Nov 24, priced at $1,771 found 4 days ago

Alternative airports near San José

Prices were available within the past 7 days. Prices and availability are subject to change.

Select flight to Juan Santamaria Intl. SJO. Cheapest option available. Average driving time to city center is 20 minutes. Flights from $1,045
SJO
Juan Santamaria Intl.
Cheapest
Average driving time to city center20 min
Flights from $1,045
Flights from Seoul (ICN) to San José (SJO)
Origin airport
Incheon Intl.
Destination airport
Juan Santamaría Intl.
Airlines serving
Aeromexico, Air Canada, Alaska Airlines
Roundtrip price
$881
Distance
8604 mi

Seoul to San José Flights

The cheapest times to fly from Seoul to San José

On average, Thursday can be the cheapest time to fly, according to data from the Airlines Reporting Corporation (ARC), one of the world's biggest databases for global airline sales. The data reveals that you could save up to 16% by flying on a Thursday—the cheapest day to travel on average—instead of a Sunday—the most expensive. Some of the most affordable flights from Seoul to San José are during the month of October. You can find some of the cheapest flights from Seoul to San José with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from Seoul to San José

Sunday is one of the best days to book for cheap flights from Seoul to San José: Tickets reserved on a Sunday cost between 6% and 13% less than those reserved on a Friday, according to ARC data. The data also suggests booking early can also lead to cheaper airfares. You could save 24% by buying your tickets for domestic flights at least a month in advance and 10% by booking international flights 2 months in advance.

 

How to find cheap round-trip tickets from Seoul to San José

Being flexible with your dates and using Expedia's Price Drop Protection and Price Tracking features are some of the best ways of finding a cheap ticket from Seoul to San José in 2025. You can also book with separate airlines for your outbound and return journeys, from $556 one-way. Expedia also offers Price Drop Protection, so if the cost of your airfare goes down after booking, you'll receive a credit for the difference*. This is available for a small fee, and is free to One Key Gold and Platinum tier members.

 

Expedia's Price Tracking feature means you can stay on top of airfares without manually checking every day. It sends you automated price alerts for cheap Seoul to San José flights and uses historical data to indicate when the best time to book is. Download Expedia's free app to activate this handy tool in a few easy taps.

 

You could also save big by booking one of Expedia's vacation packages. Bundling together your Seoul to San José airfare with your accommodations and car rental is often cheaper than booking everything separately. There’s also One Key, Expedia's generous rewards program. Join for free and you could earn One Key cash on most bookings to save on future adventures.

 

*Terms apply.

 

Disclaimer: ARC The statistics are based on average round-trip ticket prices between January and August 2023. The percentages you see are averages.

 

Frequently asked questions

How much does a flight from Incheon Intl. Airport (ICN) to Juan Santamaria Intl. Airport (SJO) cost?
Get a cheap one-way flight from $556 or cheap return flight from $881 from Incheon Intl. Airport (ICN) to Juan Santamaria Intl. Airport (SJO) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to see our cheapest flight deals on this route.
What is the cheapest month to fly from Incheon Intl. Airport (ICN) to Juan Santamaria Intl. Airport (SJO)?
The cheapest month to fly from ICN to SJO is October, when demand is low. Off-peak months are generally when you'll find cheap fares for travel between these airports.
What is the cheapest airline that flies from Incheon Intl. Airport (ICN) to Juan Santamaria Intl. Airport (SJO)?
Expedia's filter tool lets you easily compare airlines, flight times and fares all in one place. Customize the search to your preferences, then sort by "Price (lowest to highest)" to find out which carrier offers the cheapest ICN to SJO flight.
How many flights per day from Incheon Intl. Airport (ICN) to Juan Santamaria Intl. Airport (SJO)?
Direct flights from Incheon Intl. Airport (ICN) to Juan Santamaria Intl. Airport (SJO) aren't available daily, so you'll have to take a flight with a layover. Explore your options with Expedia's filter tool. Enter your travel dates and choose either "1 Stop" or "2+ Stops."
What day of the week has the most flights from ICN to SJO?
Friday is generally the busiest day for flights, while Tuesday tends to be the quietest.* Remember that flight schedules can change depending on a range of factors, including the carrier and season.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What is the best time to fly from Incheon Intl. Airport (ICN) to Juan Santamaria Intl. Airport (SJO)?
To land at Juan Santamaria Intl. Airport (SJO) without delays, opt for a flight that leaves Incheon Intl. Airport (ICN) before 3 PM. The chance of cancellations is 22% higher, on average, for departures after this time.**Most reliable time of the day and month to travel recommendation is based on January through August 2024 flight status data sourced from OAG's global flight data platform.
Is it cheaper to buy a plane ticket from Incheon Intl. Airport (ICN) to Juan Santamaria Intl. Airport (SJO) last-minute?
Waiting until just before your trip to book a flight from ICN to SJO generally means paying more. While you may come across some last-minute discounts, there's no guarantee. Keep your travel plans flexible for a better chance of landing a bargain.
Is it cheaper to book an ICN to SJO flight and hotel package?
Securing an ICN to SJO flight and hotel package is typically cheaper than booking separately. With Expedia, you can enjoy the ease of organizing your trip in one place. Choose from our extensive range of hotels and then add activities, flights and car rentals to your booking. Bundle it all together, and you could save hundreds of dollars.
Can I cancel or change the date of my flight from Incheon Intl. Airport (ICN) to Juan Santamaria Intl. Airport (SJO)?
In most instances, you're able to cancel or reschedule your ICN to SJO flight. However, additional fees may apply, especially if your booking was made over 24 hours ago. Check your itinerary for the airline's guidelines and fees on flight changes, or if you need more information, go to our Customer Service portal.

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*Available to One Key members.