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$409+ Cheap flights from San Jose (SJC) to South Korea

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 5/19. Fares are subject to change and may not be available on all flights or dates of travel.
SJC — ICN
Mar 29 — Apr 51
Sat 3/29
Sat 4/5
1 adult, Economy
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Cheap flight deals from San Jose to South Korea

Keep the following information in mind while searching for San Jose to South Korea flight deals. Data was last updated March 24, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$780
(United Airlines)

One-way from

$409
(Kiwi.com)

Popular in

December

Cheapest in

February

Average price

$1,084
Provider with most accurate pricing for San Jose-Seoul (SEL) flight deals.
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Provider most trusted by Cheapflights users for San Jose-Seoul (SEL) flights.
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From San Jose to South Korea
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One-way flight from San Jose to South Korea
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Highest demand for flights based on searches. 11% potential increase in price ($168 potential increase over avg. RT price).
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Cheapest flight prices on average. 3% potential price decrease ($45 potential savings vs. average RT price).
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Average for round-trip flights in March 2025
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Find flight deals from San Jose to South Korea

Cheapest flights from San Jose to South Korea
Explore the most affordable flight options available from San Jose to South Korea. Find the lowest fares from popular airlines and budget airlines, with prices last updated on March 24, 2025.

This United Airlines deal was found by Cheapflights users on 3/24. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 3/316:27 pmSJC - ICN
2 stops28h 33mUnited Airlines
Wed 4/164:50 pmICN - SJC
2 stops20h 35mUnited Airlines
Deal found 3/24$764
This Mytrip deal was found by Cheapflights users on 3/23. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/611:05 amSJC - ICN
1 stop21h 20mMultiple Airlines
Tue 5/138:35 amICN - SJC
1 stop16h 30mMultiple Airlines
Deal found 3/23$787
This oojo deal was found by Cheapflights users on 3/24. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/308:24 amSJC - ICN
1 stop16h 16mKorean Air
Tue 5/64:40 pmICN - SJC
1 stop16h 18mKorean Air
Deal found 3/24$842
This oojo deal was found by Cheapflights users on 3/23. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/18:20 amSJC - GMP
2 stops21h 30mJapan Airlines
Thu 9/117:20 pmGMP - SJC
2 stops35h 09mJapan Airlines
Deal found 3/23$852
This Delta deal was found by Cheapflights users on 3/22. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/246:29 amSJC - ICN
1 stop18h 01mDelta
Tue 5/67:20 pmICN - SJC
1 stop14h 25mDelta
Deal found 3/22$875
This American Airlines deal was found by Cheapflights users on 3/23. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/252:46 pmSJC - ICN
1 stop33h 09mAmerican Airlines
Mon 4/145:25 pmICN - SJC
2 stops21h 22mAmerican Airlines
Deal found 3/23$887
This Fareboom deal was found by Cheapflights users on 3/24. 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 Fareboom is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 6/1811:12 amSJC - ICN
2 stops32h 03mChina Airlines
Sat 6/288:35 pmICN - SJC
2 stops32h 24mChina Airlines
Deal found 3/24$1,114
This Mytrip deal was found by Cheapflights users on 3/24. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/811:40 amSJC - GMP
2 stops29h 50mMultiple Airlines
Thu 5/157:00 amGMP - SJC
2 stops18h 40mMultiple Airlines
Deal found 3/24$1,148
This Justfly.com deal was found by Cheapflights users on 3/22. 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.
Wed 4/166:27 pmSJC - ICN
2 stops29h 38mAir Canada
Wed 4/235:45 pmICN - SJC
2 stops19h 40mAir Canada
Deal found 3/22$1,383
This oojo deal was found by Cheapflights users on 3/24. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/16:15 amSJC - ICN
2 stops42h 50mQatar Airways
Fri 9/126:50 pmICN - SJC
2 stops40h 10mQatar Airways
Deal found 3/24$1,534
This KAYAK deal was found by Cheapflights users on 3/24. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 6/1812:02 pmSJC - ICN
2 stops31h 18mFinnair
Sun 6/299:50 pmICN - SJC
2 stops39h 01mFinnair
Deal found 3/24$1,579
This WestJet deal was found by Cheapflights users on 3/24. 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 WestJet is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/222:20 pmSJC - ICN
2 stops36h 25mWestJet
Sun 6/18:45 pmICN - SJC
2 stops36h 43mWestJet
Deal found 3/24$1,588

Cheapflights Fare Finder

Customize your flight search to find flights from San Jose to South Korea 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 24, 2025.
Use the filters below to find and compare flights from San Jose to South Korea that are best for you.

Fly from

San Jose

Fly to

South Korea

Route

Depart

Return

Price

San JoseIncheon

SJC - ICN

SJCICN

San Jose

Thu 4/24

8:30 am-4:20 am

2 stops27h 50m

Incheon Intl

Mon 5/5

4:50 pm-10:02 am

2 stops33h 12m

$780

San JoseIncheon

SJC - ICN

SJCICN

San Jose

Tue 5/6

11:05 am-12:25 am

1 stop21h 20m

Incheon Intl

Tue 5/13

8:35 am-9:05 am

1 stop16h 30m

$787

San JoseIncheon

SJC - ICN

SJCICN

San Jose

Wed 4/30

8:24 am-4:40 pm

1 stop16h 16m

Incheon Intl

Tue 5/6

4:40 pm-4:58 pm

1 stop16h 18m

$842

San JoseIncheon

SJC - ICN

SJCICN

San Jose

Thu 4/24

6:29 am-4:30 pm

1 stop18h 01m

Incheon Intl

Wed 5/7

7:20 pm-5:28 pm

1 stop14h 08m

$875

San JoseIncheon

SJC - ICN

SJCICN

San Jose

Wed 6/18

11:12 am-11:15 am

2 stops32h 03m

Incheon Intl

Sat 6/28

8:35 pm-12:59 pm

2 stops32h 24m

$1,114

San JoseSeoul

SJC - GMP

SJCGMP

San Jose

Thu 5/8

11:40 am-9:30 am

2 stops29h 50m

Seoul Gimpo Intl

Thu 5/15

7:00 am-9:40 am

2 stops18h 40m

$1,148

San JoseIncheon

SJC - ICN

SJCICN

San Jose

Wed 4/16

6:27 pm-4:05 pm

2 stops29h 38m

Incheon Intl

Wed 4/23

5:45 pm-9:25 pm

2 stops19h 40m

$1,383

San JoseIncheon

SJC - ICN

SJCICN

San Jose

Mon 9/1

6:15 am-5:05 pm

2 stops42h 50m

Incheon Intl

Fri 9/12

6:50 pm-7:00 pm

2 stops40h 10m

$1,534

San JoseSeoul

SJC - GMP

SJCGMP

San Jose

Sun 4/27

8:24 am-9:50 pm

2 stops21h 26m

Seoul Gimpo Intl

Thu 5/8

12:05 pm-2:46 pm

2 stops18h 41m

$1,552

San JoseIncheon

SJC - ICN

SJCICN

San Jose

Wed 6/18

12:02 pm-11:20 am

2 stops31h 18m

Incheon Intl

Sun 6/29

9:50 pm-8:51 pm

2 stops39h 01m

$1,579

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/24

Showing 1-10 of 33 results
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Best time to book a flight from San Jose to South Korea

Have a flexible travel schedule? Discover the best time to fly to South Korea from San Jose 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 Jose to South Korea

What is the cheapest month to book a flight from San Jose to South Korea?

Currently, February is the cheapest month in which you can book a flight from San Jose to South Korea (average of $1,002). Flying from San Jose to South Korea in June is currently the most expensive (average of $1,664). 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.

What is the cheapest time of day to fly from SJC to KR?

Find hourly flight availability from San Jose to South Korea. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated March 24, 2025.

When flying from San Jose to South Korea, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

Rainfall in South Korea by month

Plan your trip to South Korea by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in South Korea ranges from 0.8 - 10.2 inches per month. July is typically the wettest month, when rainfall can reach 10.2 in. January is typically the driest time to visit South Korea when rainfall is around 0.8 in.

Temperature in South Korea by month

Plan your trip to South Korea by taking into account the average temperature totals by month.

If weather is an important factor for your trip to South Korea, use this chart to help with planning. For those seeking warmer temperatures, August is the ideal time of year to visit, when temperatures reach an average of 77.0 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 28.4 F).

Reviews of airlines servicing South Korea

Get insights into the airlines that provide service to South Korea. 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 South Korea. Reviews last updated March 24, 2025.
To help decide which airline to fly from San Jose to South Korea, see what other customers have to say about Korean Air, Japan Airlines and China Airlines. In addition to providing an overall rating, users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Korean Air
8.4
Very good
1,047 reviews

Entertainment

8.2

Boarding

8.5

Food

8.1

Overall

8.4

Comfort

8.3

Crew

8.7

Reviews

1 / 20
10.0
Excellent

Chris,Mar 2025

SEA - ICN

Was told the flight was overbooked so they selected only a few people to weight their bags and we were forced to check our luggage. We Once we got seated on the flight there were many seats vacant and our overhead bin was completely open. Both our luggage and our carryon were small. We had booked our tickets months in advance and we watched people carry two small suitcases on without one word to them. Am I upset?? Yes it was disappointing.
Korean Air
8.4
Very good
1,047 reviews
Korean Air
8.4
Very good
1,047 reviews

Entertainment

8.2

Boarding

8.5

Food

8.1

Overall

8.4

Comfort

8.3

Crew

8.7

Reviews

1 / 20
10.0
Excellent

Chris,Mar 2025

SEA - ICN

Was told the flight was overbooked so they selected only a few people to weight their bags and we were forced to check our luggage. We Once we got seated on the flight there were many seats vacant and our overhead bin was completely open. Both our luggage and our carryon were small. We had booked our tickets months in advance and we watched people carry two small suitcases on without one word to them. Am I upset?? Yes it was disappointing.
Japan Airlines
8.3
Very good
1,440 reviews
Korean Air
8.4
Very good
1,047 reviews

Entertainment

8.2

Boarding

8.5

Food

8.1

Overall

8.4

Comfort

8.3

Crew

8.7

Reviews

1 / 20
10.0
Excellent

Chris,Mar 2025

SEA - ICN

Was told the flight was overbooked so they selected only a few people to weight their bags and we were forced to check our luggage. We Once we got seated on the flight there were many seats vacant and our overhead bin was completely open. Both our luggage and our carryon were small. We had booked our tickets months in advance and we watched people carry two small suitcases on without one word to them. Am I upset?? Yes it was disappointing.
China Airlines
8.2
Very good
723 reviews
Korean Air
8.4
Very good
1,047 reviews

Entertainment

8.2

Boarding

8.5

Food

8.1

Overall

8.4

Comfort

8.3

Crew

8.7

Reviews

1 / 20
10.0
Excellent

Chris,Mar 2025

SEA - ICN

Was told the flight was overbooked so they selected only a few people to weight their bags and we were forced to check our luggage. We Once we got seated on the flight there were many seats vacant and our overhead bin was completely open. Both our luggage and our carryon were small. We had booked our tickets months in advance and we watched people carry two small suitcases on without one word to them. Am I upset?? Yes it was disappointing.
Delta
8.0
Very good
7,888 reviews
Korean Air
8.4
Very good
1,047 reviews

Entertainment

8.2

Boarding

8.5

Food

8.1

Overall

8.4

Comfort

8.3

Crew

8.7

Reviews

1 / 20
10.0
Excellent

Chris,Mar 2025

SEA - ICN

Was told the flight was overbooked so they selected only a few people to weight their bags and we were forced to check our luggage. We Once we got seated on the flight there were many seats vacant and our overhead bin was completely open. Both our luggage and our carryon were small. We had booked our tickets months in advance and we watched people carry two small suitcases on without one word to them. Am I upset?? Yes it was disappointing.
Alaska Airlines
8.0
Very good
9,782 reviews
Korean Air
8.4
Very good
1,047 reviews

Entertainment

8.2

Boarding

8.5

Food

8.1

Overall

8.4

Comfort

8.3

Crew

8.7

Reviews

1 / 20
10.0
Excellent

Chris,Mar 2025

SEA - ICN

Was told the flight was overbooked so they selected only a few people to weight their bags and we were forced to check our luggage. We Once we got seated on the flight there were many seats vacant and our overhead bin was completely open. Both our luggage and our carryon were small. We had booked our tickets months in advance and we watched people carry two small suitcases on without one word to them. Am I upset?? Yes it was disappointing.

Related info for your journey

Find useful and relevant information for your journey from San Jose to South Korea. 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 Jose to South Korea?

    Located just 2.9 mi from the city center, San Jose (SJC) is the airport most travelers will use when flying to South Korea from San Jose.

  • What are the cheapest airlines to fly from San Jose to South Korea one-way?

    One-way options have recently been found by users for as low as $602 on ZIPAIR. Other airlines that offer cheap prices include WestJet from $719 and China Airlines from $749 one-way.

  • What are the most popular routes from San Jose to South Korea?

    While some choose either San Jose - Seoul Gimpo Intl or San Jose - Busan Gimhae, San Jose - Incheon Intl is the most popular route from San Jose to South Korea.

  • Can I find deals for flights from San Jose to South Korea that include hotel bookings?

    Yes. In addition to deals on San Jose to South Korea flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from San Jose to South Korea?

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

  • Can I find deals for business class flights from San Jose to South Korea?

    Yes. Cheapflights offers flight deals from San Jose to South Korea 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 Jose to South Korea?

    Currently, February is the cheapest month in which you can book a flight from San Jose to South Korea (average of $1,002). Flying from San Jose to South Korea in June is currently the most expensive (average of $1,664). 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.

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Top 2 airlines flying from San Jose to South Korea

Discover the top 2 airlines that operate flights from San Jose to South Korea. 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 24, 2025.
AirlineCheapestAverageFlexibilityOn-time
Korean AirCheapest$800Average$897FlexibilityNo cancel feeOn-time81%
DeltaCheapest$1,287Average$1,352FlexibilityNo cancel feeOn-timeN/A
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