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$368+ Cheap flights from San Jose (SJC) 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 9/28. Fares are subject to change and may not be available on all flights or dates of travel.
SJC — SEL
Oct 11 — Oct 181
Sat 10/11
Sat 10/18
1 adult, Economy
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Cheap flight deals from San Jose to Seoul

Discover tips and strategies to find the most affordable flight options for your journey from San Jose (SJC) 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 September 11, 2025.

Round-trip from

$670
(Richmond)

One-way from

$368
(Kiwi.com)

Popular in

December

Cheapest in

October

Average price

$851
From San Jose to Seoul (SEL)
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One-way flight from San Jose to Seoul (SEL)
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Highest demand for flights based on searches. 6% potential increase in price ($77 potential increase over avg. RT price).
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Cheapest flight prices on average. 5% potential price decrease ($57 potential savings vs. average RT price).
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Average for round-trip flights in September 2025
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Find flight deals from San Jose to Seoul

Cheapest flights from San Jose to Seoul
Explore the most affordable flight options available from San Jose to Seoul. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 11, 2025.

This Alaska Airlines deal was found by Cheapflights users on 9/9. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/308:10 amSJC - ICN
1 stop18h 25mAlaska Airlines
Thu 11/278:35 pmICN - SJC
1 stop29h 46mAlaska Airlines
Deal found 9/9$621
This Alaska Airlines deal was found by Cheapflights users on 9/9. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/246:59 pmSJC - ICN
1 stop31h 36mAlaska Airlines
Fri 10/318:35 pmICN - SJC
1 stop28h 41mAlaska Airlines
Deal found 9/9$627
This SmartFares deal was found by Cheapflights users on 9/9. 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 SmartFares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/28:10 amSJC - ICN
1 stop17h 25mAlaska Airlines
Thu 11/138:35 pmICN - SJC
1 stop16h 25mAlaska Airlines
Deal found 9/9$656
This Richmond deal was found by Cheapflights users on 9/11. 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 Richmond is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/268:10 amSJC - ICN
1 stop18h 25mHawaiian Airlines
Sun 11/28:35 pmICN - SJC
1 stop31h 22mHawaiian Airlines
Deal found 9/11$670
This Richmond deal was found by Cheapflights users on 9/10. 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 Richmond is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/238:00 amSJC - ICN
1 stop18h 35mHawaiian Airlines
Thu 10/308:35 pmICN - SJC
1 stop15h 25mHawaiian Airlines
Deal found 9/10$672
This Alaska Airlines deal was found by Cheapflights users on 9/8. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/266:15 amSJC - ICN
1 stop19h 20mAlaska Airlines
Sat 12/68:35 pmICN - SJC
1 stop16h 25mAlaska Airlines
Deal found 9/8$676
This Alaska Airlines deal was found by Cheapflights users on 9/8. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/257:01 pmSJC - ICN
1 stop30h 34mAlaska Airlines
Mon 12/88:35 pmICN - SJC
1 stop16h 25mAlaska Airlines
Deal found 9/8$682
This Alaska Airlines deal was found by Cheapflights users on 9/10. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/284:48 pmSJC - ICN
1 stop33h 47mAlaska Airlines
Sun 11/28:35 pmICN - SJC
1 stop36h 19mAlaska Airlines
Deal found 9/10$687
This Kiwi.com deal was found by Cheapflights users on 9/11. 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.
Sun 10/2610:48 amSJC - ICN
1 stop37h 22mMultiple Airlines
Sun 11/28:35 pmICN - SJC
2 stops32h 26mMultiple Airlines
Deal found 9/11$744
This United Airlines deal was found by Cheapflights users on 9/11. 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.
Sun 12/74:00 pmSJC - ICN
2 stops31h 15mUnited Airlines
Thu 12/1812:45 pmICN - SJC
2 stops41h 48mUnited Airlines
Deal found 9/11$767
This United Airlines deal was found by Cheapflights users on 9/11. 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.
Sat 9/138:45 amSJC - ICN
2 stops27h 35mUnited Airlines
Tue 10/711:30 amICN - SJC
2 stops25h 36mUnited Airlines
Deal found 9/11$781
This oojo deal was found by Cheapflights users on 9/10. 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 9/159:00 amSJC - GMP
2 stops20h 50mJapan Airlines
Wed 10/1512:05 pmGMP - SJC
2 stops18h 45mJapan Airlines
Deal found 9/10$893

Cheapflights Fare Finder

 
Customize your flight search to find flights from San Jose 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 September 11, 2025.
Use the filters below to find and compare flights from San Jose to Seoul that are best for you.

Fly from

San Jose

Fly to

Seoul

Route

Depart

Return

Price

San JoseIncheon

SJC - ICN

SJCICN

San Jose

Fri 10/24

6:59 pm-6:35 pm

1 stop31h 36m

Incheon Intl

Fri 10/31

8:35 pm-9:16 am

1 stop28h 41m

$627

San JoseIncheon

SJC - ICN

SJCICN

San Jose

Fri 11/28

6:15 am-6:35 pm

1 stop19h 20m

Incheon Intl

Sat 12/6

8:35 pm-8:00 pm

1 stop16h 25m

$676

San JoseIncheon

SJC - ICN

SJCICN

San Jose

Wed 10/29

8:10 am-6:35 pm

1 stop18h 25m

Incheon Intl

Mon 11/24

8:35 pm-6:05 pm

1 stop14h 30m

$676

San JoseIncheon

SJC - ICN

SJCICN

San Jose

Thu 10/23

10:29 am-6:35 pm

1 stop16h 06m

Incheon Intl

Fri 10/31

8:35 pm-8:00 pm

1 stop15h 25m

$676

San JoseIncheon

SJC - ICN

SJCICN

San Jose

Wed 10/29

8:10 am-6:35 pm

1 stop18h 25m

Incheon Intl

Thu 11/27

8:35 pm-9:21 am

1 stop29h 46m

$682

San JoseIncheon

SJC - ICN

SJCICN

San Jose

Sun 11/2

8:10 am-6:35 pm

1 stop17h 25m

Incheon Intl

Thu 11/27

8:35 pm-9:21 am

1 stop29h 46m

$682

San JoseIncheon

SJC - ICN

SJCICN

San Jose

Sat 11/15

6:18 pm-6:35 pm

1 stop31h 17m

Incheon Intl

Mon 11/24

8:35 pm-6:05 pm

1 stop14h 30m

$682

San JoseIncheon

SJC - ICN

SJCICN

San Jose

Sat 11/1

6:18 pm-6:35 pm

1 stop32h 17m

Incheon Intl

Mon 11/24

8:35 pm-6:05 pm

1 stop14h 30m

$682

San JoseIncheon

SJC - ICN

SJCICN

San Jose

Tue 10/28

4:48 pm-6:35 pm

1 stop33h 47m

Incheon Intl

Sun 11/2

8:35 pm-3:54 pm

1 stop36h 19m

$687

San JoseIncheon

SJC - ICN

SJCICN

San Jose

Tue 10/28

4:05 pm-3:15 pm

2 stops31h 10m

Incheon Intl

Sun 11/2

6:00 pm-10:05 am

2 stops33h 05m

$781

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/8

Showing 1-10 of 39 results
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Best time to book a flight from San Jose to Seoul

Have a flexible travel schedule? Discover the best time to fly to Seoul 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 Seoul

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

Currently, February is the cheapest month in which you can book a flight from San Jose to Seoul (average of $990). Flying from San Jose to Seoul in December is currently the most expensive (average of $1,633). 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 SEL?

Find hourly flight availability from San Jose to Seoul. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated September 11, 2025.

When flying from San Jose to Seoul, the time of day you fly usually plays a role in the price. Save by searching for a flight in the afternoon, which can drop the price by up to 27% versus a flight in the evening.

How much does it cost to fly round-trip from San Jose 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 September 11, 2025.
Read through reviews of airlines operating flights from San Jose to Seoul, such as Korean Air. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Korean Air
8.4
Very good
1,139 reviews

Crew

8.7

Overall

8.4

Entertainment

8.2

Comfort

8.3

Food

8.1

Boarding

8.5

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
1,139 reviews
Korean Air
8.4
Very good
1,139 reviews

Crew

8.7

Overall

8.4

Entertainment

8.2

Comfort

8.3

Food

8.1

Boarding

8.5

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 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 Jose to Seoul?

    San Jose (SJC) is the airport you will fly out of if you book a flight from San Jose to Seoul. You should not have trouble finding flights to Seoul from San Jose; 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 1 airline has flights from the San Jose airport to Seoul. It is only a 2.9 mi journey to San Jose (SJC) from San Jose’s city center.

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

    For as low as $893, Alaska Airlines can have you in Seoul from San Jose in 20h 50m. There are 5653 mi between San Jose and Seoul. Both multi-stop and nonstop flights can be found to your destination and back.

  • What is the cheapest airline to fly from San Jose to Seoul round-trip?

    According to our current data, Korean Air ($800), offers the cheapest pricing from San Jose to Seoul. Korean Air is currently priced 26% below the average price you’ll pay for this route.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from San Jose 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 Jose to Seoul?

    Currently, February is the cheapest month in which you can book a flight from San Jose to Seoul (average of $990). Flying from San Jose to Seoul in December is currently the most expensive (average of $1,633). 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

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Top airline flying from San Jose to Seoul

Discover the top airline that operate flights from San Jose 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 September 11, 2025.
AirlineCheapestAverageFlexibilityOn-time
Korean AirCheapest$800Average$896FlexibilityNo cancel feeOn-time81%

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