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$779+ Cheap flights from San José (SJO) to Seoul (SEL)

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 4/14. Fares are subject to change and may not be available on all flights or dates of travel.
SJO — SEL
Apr 29 — May 61
Wed 4/29
Wed 5/6
1 adult, Economy
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Cheap flight deals from San José to Seoul

Cheapest flights from San José to Seoul
Explore the most affordable flight options available from San José to Seoul. Find the lowest fares from popular airlines and budget airlines, with prices last updated on March 30, 2026.

This Justfly.com deal was found by Cheapflights users on 3/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/15:45 am
SJO
-
ICN
3 stops46h 00m
Multiple Airlines
Wed 9/2312:00 pm
ICN
-
SJO
3 stops35h 30m
Multiple Airlines
Deal found 3/27$1,174
This Booking.com deal was found by Cheapflights users on 3/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/85:45 am
SJO
-
ICN
3 stops38h 15m
Multiple Airlines
Tue 9/227:45 pm
ICN
-
SJO
3 stops66h 30m
Multiple Airlines
Deal found 3/25$1,232
This Booking.com deal was found by Cheapflights users on 3/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/135:45 am
SJO
-
ICN
3 stops38h 15m
Multiple Airlines
Wed 10/287:45 pm
ICN
-
SJO
3 stops42h 30m
Multiple Airlines
Deal found 3/28$1,237
This FlightHub deal was found by Cheapflights users on 3/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/71:03 am
SJO
-
ICN
2 stops50h 42m
Multiple Airlines
Thu 5/77:45 pm
ICN
-
SJO
2 stops43h 00m
Multiple Airlines
Deal found 3/29$1,310
This Booking.com deal was found by Cheapflights users on 3/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/15:45 am
SJO
-
ICN
3 stops46h 00m
Multiple Airlines
Thu 10/87:45 pm
ICN
-
SJO
3 stops66h 30m
Multiple Airlines
Deal found 3/29$1,317
This Trip.com deal was found by Cheapflights users on 3/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/63:10 pm
SJO
-
ICN
2 stops33h 40m
Multiple Airlines
Mon 9/211:00 pm
ICN
-
SJO
2 stops25h 40m
Multiple Airlines
Deal found 3/26$1,411
This Kiwi.com deal was found by Cheapflights users on 3/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 4/2512:55 am
SJO
-
ICN
1 stop23h 55m
Multiple Airlines
Sun 5/37:35 pm
ICN
-
SJO
2 stops43h 10m
Multiple Airlines
Deal found 3/29$1,422
This Booking.com deal was found by Cheapflights users on 3/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/275:45 am
SJO
-
ICN
3 stops62h 15m
Multiple Airlines
Sun 8/307:45 pm
ICN
-
SJO
3 stops66h 30m
Multiple Airlines
Deal found 3/27$1,428
This Justfly.com deal was found by Cheapflights users on 3/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/17:00 am
SJO
-
ICN
2 stops38h 20m
Multiple Airlines
Tue 11/171:20 pm
ICN
-
SJO
2 stops49h 37m
Multiple Airlines
Deal found 3/26$1,447

Find flight deals from San José to Seoul

Discover tips and strategies to find the most affordable flight options for your journey from San José (SJO) to Seoul (SEL). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated March 30, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$1,174
(Justfly.com)

One-way from

$779
(Expedia)

Popular in

June

Cheapest in

February

Average price

$1,554
Provider with most accurate pricing for San José Juan Santamaria Intl-Seoul (SEL) flight deals.
Search Deals
Provider most trusted by Cheapflights users for San José Juan Santamaria Intl-Seoul (SEL) flights.
Search Deals
From San José Juan Santamaria Intl to Seoul (SEL)
Search Deals
One-way flight from San José Juan Santamaria Intl to Seoul (SEL)
Search Deals
Highest demand for flights based on searches. 10% potential increase in price ($198 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 1% potential price decrease ($30 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in March 2026
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from San José to Seoul that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated March 30, 2026.
Use the filters below to find and compare flights from San José to Seoul that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

San JoséIncheon

SJO - ICN

SJOICN

San José Juan Santamaria Intl

Thu 5/7

8:45 am-4:20 am

1 stop28h 35m

Incheon Intl

Fri 6/5

11:30 am-7:15 am

1 stop34h 45m

$1,672

San JoséIncheon

SJO - ICN

SJOICN

San José Juan Santamaria Intl

Sat 4/18

8:45 am-4:20 am

1 stop28h 35m

Incheon Intl

Tue 5/5

4:50 pm-12:21 pm

2 stops34h 31m

$1,681

San JoséIncheon

SJO - ICN

SJOICN

San José Juan Santamaria Intl

Tue 9/1

7:55 am-4:20 am

2 stops29h 25m

Incheon Intl

Thu 10/1

4:50 pm-7:15 am

1 stop29h 25m

$1,681

San JoséIncheon

SJO - ICN

SJOICN

San José Juan Santamaria Intl

Thu 4/9

8:45 am-4:20 am

1 stop28h 35m

Incheon Intl

Sat 4/25

4:50 pm-10:11 am

2 stops32h 21m

$1,681

San JoséIncheon

SJO - ICN

SJOICN

San José Juan Santamaria Intl

Fri 5/29

1:25 pm-4:20 am

2 stops47h 55m

Incheon Intl

Thu 6/18

11:30 am-7:15 am

1 stop34h 45m

$1,880
Quickest round-trip

San JoséIncheon

SJO - ICN

SJOICN

San José Juan Santamaria Intl

Tue 6/30

12:30 am-3:00 pm

2 stops23h 30m

Incheon Intl

Fri 7/31

4:50 pm-10:11 am

2 stops32h 21m

$1,954

San JoséIncheon

SJO - ICN

SJOICN

San José Juan Santamaria Intl

Fri 5/1

8:45 am-4:20 am

1 stop28h 35m

Incheon Intl

Sat 5/23

4:50 pm-7:15 am

1 stop29h 25m

$1,966
Cheapest one-way

San JoséIncheon

SJO - ICN

SJOICN

San José Juan Santamaria Intl

Tue 4/14

1:03 am-11:00 am

2 stops42h 57m

$779

San JoséIncheon

SJO - ICN

SJOICN

San José Juan Santamaria Intl

Wed 4/15

2:08 pm-6:05 pm

2 stops60h 57m

$1,548
Quickest one-way

San JoséIncheon

SJO - ICN

SJOICN

San José Juan Santamaria Intl

Wed 4/15

9:25 am-5:40 pm

3 stops41h 15m

$2,324

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/28

Sorted by cheapest first
  • Most accurate provider: When it comes to deals on San José-Seoul flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on San José-Seoul flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from San José-Seoul flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on San José-Seoul flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for San José-Seoul flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

Best time to book a flight from San José to Seoul

Have a flexible travel schedule? Discover the best time to fly to Seoul from San José with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from San José to Seoul

How far ahead should I book a flight from San José to Seoul?

Use this chart to determine the optimal time to book a round-trip flight from San José to Seoul. Price data was last updated on March 13, 2026.

The best time to book flights from San José to Seoul is 33 days before your desired departure date. The cost of your flight will likely increase significantly if you book two weeks in advance of your flight.

What is the cheapest month to book a flight from San José to Seoul?

Currently, December is the cheapest month in which you can book a flight from San José to Seoul (average of $1,288). Flying from San José to Seoul in May is currently the most expensive (average of $1,564). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

How much does it cost to fly round-trip from San José to Seoul?

Reviews of airlines servicing Seoul

Get insights into the airlines that provide service to Seoul. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Seoul. Reviews last updated March 30, 2026.
Read through reviews of airlines operating flights from San José to Seoul, such as United Airlines and Aeromexico. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
United Airlines
7.4
Good
9,517 reviews

Entertainment

7.1

Food

6.6

Overall

7.4

Boarding

7.7

Crew

8.1

Comfort

7.3

Reviews

1 / 20
10.0
Excellent

Dane,Jan 2026

TYS - IAD

It was a short flight, so no time for amenities. Just glad everything was quick and easy from boarding to arriving at my destination with my family
United Airlines
7.4
Good
9,517 reviews
United Airlines
7.4
Good
9,517 reviews

Entertainment

7.1

Food

6.6

Overall

7.4

Boarding

7.7

Crew

8.1

Comfort

7.3

Reviews

1 / 20
10.0
Excellent

Dane,Jan 2026

TYS - IAD

It was a short flight, so no time for amenities. Just glad everything was quick and easy from boarding to arriving at my destination with my family
Aeromexico
7.4
Good
1,558 reviews
United Airlines
7.4
Good
9,517 reviews

Entertainment

7.1

Food

6.6

Overall

7.4

Boarding

7.7

Crew

8.1

Comfort

7.3

Reviews

1 / 20
10.0
Excellent

Dane,Jan 2026

TYS - IAD

It was a short flight, so no time for amenities. Just glad everything was quick and easy from boarding to arriving at my destination with my family

Related info for your journey

Find useful and relevant information for your journey from San José to Seoul. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly from for flights from San José to Seoul?

    San José Juan Santamaria Intl (SJO) is the airport you will fly out of if you book a flight from San José to Seoul. You should not have trouble finding flights to Seoul from Juan Santamaria Intl; the airport handles an average of 0 outbound flights to Seoul per day. You should also have plenty of airline options to choose from since 2 airlines have flights from the San José airport to Seoul. It is only a 8.8 mi journey to Juan Santamaria Intl (SJO) from San José’s city center.

  • How long is the flight from San José to Seoul?

    Departing from San José to Seoul will take you 29h 25m. The distance from San José to Seoul is about 8599 mi.

  • What are the cheapest airlines flying from San José to Seoul round-trip?

    Flying on United Airlines is currently your cheapest option to Seoul, with prices starting at $1,502. Another option worth looking into is Aeromexico, starting at $1,526 round trip. United Airlines is currently priced 12% below the average price you’ll pay for this route.

  • Can I find deals for flights from San José to Seoul that include hotel bookings?

    Yes. In addition to deals on San José to Seoul flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from San José to Seoul?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from San José to Seoul.

  • Can I find deals for business class flights from San José to Seoul?

    Yes. Cheapflights offers flight deals from San José to Seoul by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from San José to Seoul?

    Currently, December is the cheapest month in which you can book a flight from San José to Seoul (average of $1,288). Flying from San José to Seoul in May is currently the most expensive (average of $1,564). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for San José to Seoul

See prices for flight routes from nearby airports that may be better suited for you.
San José to Incheon Intl flights

Top 2 airlines flying from San José to Seoul

Discover the top 2 airlines that operate flights from San José to Seoul. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated March 30, 2026.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$1,502Average$1,552FlexibilityNo cancel feeOn-time69%
AeromexicoCheapest$1,526Average$1,782FlexibilityNo cancel feeOn-timeN/A

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