$620 Cheap Flights from San José (SJO) to Seoul (ICN)

View $620 flight on Sun, Nov 9, 2025Opens in a new window

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

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

Prices were available within the past 7 days and start at $620 for one-way flights and $1,271 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Alaska Airlines
Tue, Nov 11 - Thu, Nov 27
SJO
San José
ICN
Seoul
$1,271 Roundtrip, found 4 days ago
$1,271
Roundtrip
found 4 days ago
Select Alaska Airlines flight, departing Tue, Nov 11 from San José to Seoul, returning Thu, Nov 27, priced at $1,271 found 4 days ago
Alaska Airlines
Sun, Nov 23 - Sun, Nov 30
SJO
San José
ICN
Seoul
$1,328 Roundtrip, found 11 hours ago
$1,328
Roundtrip
found 11 hours ago
Select Alaska Airlines flight, departing Sun, Nov 23 from San José to Seoul, returning Sun, Nov 30, priced at $1,328 found 11 hours ago
Swiss International Air Lines
Mon, May 25 - Mon, Jun 8
SJO
San José
ICN
Seoul
$1,380 Roundtrip, found 16 hours ago
$1,380
Roundtrip
found 16 hours ago
Select Swiss International Air Lines flight, departing Mon, May 25 from San José to Seoul, returning Mon, Jun 8, priced at $1,380 found 16 hours ago
avianca
Thu, Nov 6 - Wed, Nov 12
SJO
San José
ICN
Seoul
$1,423 Roundtrip, found 2 days ago
$1,423
Roundtrip
found 2 days ago
Select avianca flight, departing Thu, Nov 6 from San José to Seoul, returning Wed, Nov 12, priced at $1,423 found 2 days ago
avianca
Thu, Nov 6 - Wed, Nov 12
SJO
San José
ICN
Seoul
$1,433 Roundtrip, found 2 days ago
$1,433
Roundtrip
found 2 days ago
Select avianca flight, departing Thu, Nov 6 from San José to Seoul, returning Wed, Nov 12, priced at $1,433 found 2 days ago
avianca
Thu, Nov 6 - Wed, Nov 12
SJO
San José
ICN
Seoul
$1,440 Roundtrip, found 2 days ago
$1,440
Roundtrip
found 2 days ago
Select avianca flight, departing Thu, Nov 6 from San José to Seoul, returning Wed, Nov 12, priced at $1,440 found 2 days ago
avianca
Thu, Nov 6 - Wed, Nov 12
SJO
San José
ICN
Seoul
$1,444 Roundtrip, found 2 days ago
$1,444
Roundtrip
found 2 days ago
Select avianca flight, departing Thu, Nov 6 from San José to Seoul, returning Wed, Nov 12, priced at $1,444 found 2 days ago
avianca
Thu, Nov 6 - Wed, Nov 12
SJO
San José
ICN
Seoul
$1,454 Roundtrip, found 2 days ago
$1,454
Roundtrip
found 2 days ago
Select avianca flight, departing Thu, Nov 6 from San José to Seoul, returning Wed, Nov 12, priced at $1,454 found 2 days ago
United
Tue, Feb 24 - Sun, Mar 8
SJO
San José
ICN
Seoul
$1,507 Roundtrip, found 14 hours ago
$1,507
Roundtrip
found 14 hours ago
Select United flight, departing Tue, Feb 24 from San José to Seoul, returning Sun, Mar 8, priced at $1,507 found 14 hours ago
Lufthansa
Wed, May 20 - Wed, Jun 10
SJO
San José
ICN
Seoul
$1,528 Roundtrip, found 1 day ago
$1,528
Roundtrip
found 1 day ago
Select Lufthansa flight, departing Wed, May 20 from San José to Seoul, returning Wed, Jun 10, priced at $1,528 found 1 day ago

Find the cheapest month to fly from San José (SJO) to Seoul (ICN)

November is typically the cheapest month to fly

From $1,338 - $2,005 per traveler.

Alternative airports near Seoul

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

Select flight to Incheon Intl. ICN. Cheapest option available. Average driving time to city center is 47 minutes. Flights from $1,512
ICN
Incheon Intl.
Cheapest
Average driving time to city center47 min
Flights from $1,512

Frequently asked questions

How much does a flight from Juan Santamaria Intl. Airport (SJO) to Incheon Intl. Airport (ICN) cost?
Grab a cheap one-way flight from $620 or cheap return flight from $1,271 from Juan Santamaria Intl. Airport (SJO) to Incheon Intl. Airport (ICN) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to find our cheapest flight deals on this route.
What is the cheapest month to fly from Juan Santamaria Intl. Airport (SJO) to Incheon Intl. Airport (ICN)?
November is the cheapest month to fly from SJO to ICN. Traveling during an off-peak travel window is often the key to scoring lower fares.
What is the cheapest airline that flies from Juan Santamaria Intl. Airport (SJO) to Incheon Intl. Airport (ICN)?
To find the cheapest airline that'll fly you from SJO to ICN, use Expedia's filter tool. Tailor your search based on your travel needs, such as preferred carriers and ideal departure window. You can then sort your results by "Price (lowest to highest)" to discover the cheapest flight right away.
How many flights per day from Juan Santamaria Intl. Airport (SJO) to Incheon Intl. Airport (ICN)?
There aren't any daily direct flights available from Juan Santamaria Intl. Airport (SJO) to Incheon Intl. Airport (ICN). But you can choose flights with layovers. Filter your search results on Expedia to include one or more stops, and you'll be soaring above the clouds in no time.
What day of the week has the most flights from SJO to ICN?
Friday is generally the busiest day for flights, while Tuesday is often the quietest.* Remember that flight schedules can change based on a number of factors, such as the time of year and carrier.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What is the best time to fly from Juan Santamaria Intl. Airport (SJO) to Incheon Intl. Airport (ICN)?
Opt for a flight from Juan Santamaria Intl. Airport (SJO) to Incheon Intl. Airport (ICN) that takes off before 3 PM to reduce the risk of delays and cancellations. Departures later than this are on average 22% more likely to be canceled.**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 Juan Santamaria Intl. Airport (SJO) to Incheon Intl. Airport (ICN) last-minute?
Last-minute fares from SJO to ICN are usually more expensive. For the best rates, start searching for flights as early as possible. That said, if you're flexible with your travel dates, you may land a cheap ticket right before you leave.
Is it cheaper to book a SJO to ICN flight and hotel package?
Booking a SJO to ICN flight and hotel package is usually cheaper than booking separately. With Expedia, you can enjoy the ease of organizing your trip in one place. Select from our impressive range of hotels and then add car rentals, flights and activities to your booking. Bundle everything together, and you could save hundreds of dollars.
Can I cancel or change the date of my flight from Juan Santamaria Intl. Airport (SJO) to Incheon Intl. Airport (ICN)?
In most cases, you can reschedule or cancel your SJO to ICN flight. However, there may be additional charges, especially if your booking was made more than 24 hours ago. Check your itinerary for the airline's fees and policies on flight changes, or if you want further details, head to our Customer Service portal.

Travel information

Origin airport
Juan Santamaría Intl.
Destination airport
Incheon Intl.
Airlines serving
Aeromexico, Air Canada, Air France, Alaska Airlines, American Airlines, Delta, KLM, Lufthansa, Qatar Airways, Turkish Airlines, United
Roundtrip price
$1,271
Distance
8604 mi

Book with confidence

San José to Seoul Flights

The cheapest times to fly from San José to Seoul

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 San José to Seoul are during the month of November. You can find some of the cheapest flights from San José to Seoul with Expedia's search tool and vast selection of airlines.

 

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

Sunday is one of the best days to book for cheap flights from San José to Seoul: 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 San José to Seoul

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 San José to Seoul in 2025. You can also book with separate airlines for your outbound and return journeys, from $620 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 San José to Seoul 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 San José to Seoul 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.

 

San José to Seoul Flights

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*Available to One Key members.