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Cheap flights from Seoul to San Jose from $391

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Seoul to San Jose departing on 8/20. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
1 adult, Economy, 0 bags

Find the cheapest flights from Seoul to San Jose

Cheap round-trip flights

Enter your travel dates to find the best prices.
United Airlines Logo
11:45 am - 9:08 pmICN  Incheon Intl-SJC San Jose
25h 23m2 stops San Francisco Denver Intl
United Airlines Logo
1:00 pm - 4:15 pmSJC  San Jose-ICN Incheon Intl
34h 15m2 stops Denver Intl San Francisco
$717United Airlines
Thu, Oct 29 - Mon, Nov 2
United Airlines Logo
12:45 pm - 9:08 pmICN  Incheon Intl-SJC San Jose
25h 23m2 stops San Francisco Denver Intl
United Airlines Logo
4:10 pm - 4:15 pmSJC  San Jose-ICN Incheon Intl
31h 05m2 stops Denver Intl San Francisco
$755United Airlines
Thu, Nov 5 - Mon, Nov 9
United Airlines Logo
12:45 pm - 9:11 pmICN  Incheon Intl-SJC San Jose
25h 26m2 stops San Francisco Denver Intl
United Airlines Logo
2:19 pm - 5:40 amSJC  San Jose-ICN Incheon Intl
22h 21m2 stops Denver Intl San Francisco
$757United Airlines
Fri, Dec 11 - Thu, Dec 31
United Airlines Logo
6:00 pm - 9:11 pmICN  Incheon Intl-SJC San Jose
20h 11m2 stops San Francisco Denver Intl
United Airlines Logo
2:19 pm - 4:15 pmSJC  San Jose-ICN Incheon Intl
32h 56m2 stops Denver Intl San Francisco
$939United Airlines
Fri, Dec 11 - Sat, Jan 2
Alaska Airlines Logo
7:35 pm - 10:57 pmICN  Incheon Intl-SJC San Jose
19h 22m1 stop Seattle/Tacoma Intl
Alaska Airlines Logo
8:02 am - 5:30 pmSJC  San Jose-ICN Incheon Intl
17h 28m1 stop Seattle/Tacoma Intl
$960Alaska Airlines
Fri, Oct 2 - Sun, Oct 11
Alaska Airlines Logo
8:00 pm - 10:40 pmICN  Incheon Intl-SJC San Jose
19h 40m1 stop Seattle/Tacoma Intl
Alaska Airlines Logo
8:00 am - 5:35 pmSJC  San Jose-ICN Incheon Intl
16h 35m1 stop Seattle/Tacoma Intl
$964Alaska Airlines
Fri, Nov 20 - Wed, Dec 2
Alaska Airlines Logo
8:00 pm - 5:03 pmICN  Incheon Intl-SJC San Jose
14h 03m1 stop Seattle/Tacoma Intl
Alaska Airlines Logo
7:15 pm - 5:35 pmSJC  San Jose-ICN Incheon Intl
53h 20m2 stops San Diego Seattle/Tacoma Intl
$981Alaska Airlines
Thu, Nov 5 - Mon, Nov 9
Alaska Airlines Logo
8:00 pm - 5:03 pmICN  Incheon Intl-SJC San Jose
14h 03m1 stop Seattle/Tacoma Intl
Alaska Airlines Logo
7:15 pm - 5:35 pmSJC  San Jose-ICN Incheon Intl
53h 20m2 stops San Diego Seattle/Tacoma Intl
$984Alaska Airlines
Thu, Nov 5 - Mon, Nov 9
Alaska Airlines Logo
7:35 pm - 8:00 pmICN  Incheon Intl-SJC San Jose
16h 25m1 stop Seattle/Tacoma Intl
Alaska Airlines Logo
10:00 am - 5:30 pmSJC  San Jose-ICN Incheon Intl
15h 30m1 stop Seattle/Tacoma Intl
$1,019Alaska Airlines
Wed, Sep 9 - Wed, Sep 16
Alaska Airlines Logo
7:35 pm - 10:57 pmICN  Incheon Intl-SJC San Jose
19h 22m1 stop Seattle/Tacoma Intl
Alaska Airlines Logo
8:02 am - 5:30 pmSJC  San Jose-ICN Incheon Intl
17h 28m1 stop Seattle/Tacoma Intl
$1,030Alaska Airlines
Sun, Sep 27 - Sat, Oct 3

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United Airlines flights from Seoul to San Jose, California

Our best United Airlines deals on Seoul to San Jose, California flight tickets
United Airlines
Oct 29
ICN11:45 amIncheon Intl
25h 23m
2 stops
SJC9:08 pmSan Jose
Nov 2
SJC1:00 pmSan Jose
34h 15m
2 stops
ICN4:15 pmIncheon Intl
$717
United Airlines
Nov 5
ICN12:45 pmIncheon Intl
25h 23m
2 stops
SJC9:08 pmSan Jose
Nov 9
SJC4:10 pmSan Jose
31h 05m
2 stops
ICN4:15 pmIncheon Intl
$755
United Airlines
Dec 11
ICN12:45 pmIncheon Intl
25h 26m
2 stops
SJC9:11 pmSan Jose
Dec 31
SJC2:19 pmSan Jose
22h 21m
2 stops
ICN5:40 amIncheon Intl
$757

Korean Air flights from Seoul to San Jose, California

Our best Korean Air deals on Seoul to San Jose, California flight tickets
Korean Air
Nov 5
ICN4:10 pmIncheon Intl
17h 52m
1 stop
SJC5:02 pmSan Jose
Nov 9
SJC7:00 amSan Jose
17h 35m
1 stop
ICN5:35 pmIncheon Intl
$1,565
Korean Air
Nov 5
ICN4:10 pmIncheon Intl
17h 52m
1 stop
SJC5:02 pmSan Jose
Nov 9
SJC7:00 amSan Jose
17h 35m
1 stop
ICN5:35 pmIncheon Intl
$1,569
Korean Air
Oct 29
ICN7:40 pmIncheon Intl
16h 11m
1 stop
SJC7:51 pmSan Jose
Nov 2
SJC7:00 amSan Jose
17h 35m
1 stop
ICN5:35 pmIncheon Intl
$1,577

momondo Fare Finder

 
Customize your flight search to find flights from Seoul to San Jose, California 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, momondo users made 832,500 searches. Data last updated August 12, 2026.
Use the filters below to find and compare flights from Seoul to San Jose, California that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

IncheonSan Jose

ICN Incheon Intl - SJC San Jose

ICNSJC

Incheon Intl

Thu 10/29

11:45 am-9:08 pm

2 stops25h 23m

San Jose

Mon 11/2

1:00 pm-4:15 pm

2 stops34h 15m

$717

IncheonSan Jose

ICN Incheon Intl - SJC San Jose

ICNSJC

Incheon Intl

Thu 11/5

12:45 pm-9:08 pm

2 stops25h 23m

San Jose

Mon 11/9

4:10 pm-4:15 pm

2 stops31h 05m

$755

IncheonSan Jose

ICN Incheon Intl - SJC San Jose

ICNSJC

Incheon Intl

Fri 12/11

12:45 pm-9:11 pm

2 stops25h 26m

San Jose

Thu 12/31

2:19 pm-5:40 am

2 stops22h 21m

$757

IncheonSan Jose

ICN Incheon Intl - SJC San Jose

ICNSJC

Incheon Intl

Fri 12/11

6:00 pm-9:11 pm

2 stops20h 11m

San Jose

Sat 1/2

2:19 pm-4:15 pm

2 stops32h 56m

$939

IncheonSan Jose

ICN Incheon Intl - SJC San Jose

ICNSJC

Incheon Intl

Fri 10/2

7:35 pm-10:57 pm

1 stop19h 22m

San Jose

Sun 10/11

8:02 am-5:30 pm

1 stop17h 28m

$960

IncheonSan Jose

ICN Incheon Intl - SJC San Jose

ICNSJC

Incheon Intl

Fri 11/20

8:00 pm-10:40 pm

1 stop19h 40m

San Jose

Wed 12/2

8:00 am-5:35 pm

1 stop16h 35m

$964

IncheonSan Jose

ICN Incheon Intl - SJC San Jose

ICNSJC

Incheon Intl

Thu 11/5

8:00 pm-5:03 pm

1 stop14h 03m

San Jose

Mon 11/9

7:15 pm-5:35 pm

2 stops53h 20m

$981

IncheonSan Jose

ICN Incheon Intl - SJC San Jose

ICNSJC

Incheon Intl

Thu 11/5

8:00 pm-5:03 pm

1 stop14h 03m

San Jose

Mon 11/9

7:15 pm-5:35 pm

2 stops53h 20m

$984
Quickest round-trip

IncheonSan Jose

ICN Incheon Intl - SJC San Jose

ICNSJC

Incheon Intl

Wed 9/9

7:35 pm-8:00 pm

1 stop16h 25m

San Jose

Wed 9/16

10:00 am-5:30 pm

1 stop15h 30m

$1,019

IncheonSan Jose

ICN Incheon Intl - SJC San Jose

ICNSJC

Incheon Intl

Sun 9/27

7:35 pm-10:57 pm

1 stop19h 22m

San Jose

Sat 10/3

8:02 am-5:30 pm

1 stop17h 28m

$1,030

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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How to get the cheapest flight ticket from Seoul to San Jose, California

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

Can stopping save me money on Seoul to San Jose, California flights?

You could potentially save up to 53% on your flight if you consider stops on a Seoul to San Jose, California flight.

When to book flights from Seoul to San Jose, California

Are you open to changing your travel dates? Check out the ideal times to fly from Seoul to San Jose, California according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap Seoul to San Jose, California (SEL to SJC) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Seoul to San Jose, California

Fastest flight time

20h 58m

Direct flights

None
The fastest flight from Seoul to San Jose, California takes 20h 58m
There are no direct flights from Seoul to San Jose, California. There are no popular flight routes from Seoul to San Jose, California.
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Frequently asked questions about flying from Seoul to San Jose, California

  • How far is Seoul to San Jose by plane?

    There are 5648.5 mi between Seoul and San Jose. Typically, this will take 20h 58m by plane in normal conditions.

  • When did momondo last update prices for flights from Seoul to San Jose Airport?

    Prices for flights from Seoul to San Jose Airport refresh daily.

  • How old do you have to be to fly from Seoul to San Jose Airport?

    Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Seoul to San Jose Airport.

  • What documentation or ID do you need to fly to San Jose Airport?

    The travel and health documents required for your trip to San Jose Airport can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at San Jose Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

Why use momondo?

Why should I use momondo to find a flight deal from Seoul to San Jose?

momondo compares prices from hundreds of airlines and agents so you can find and book the best deal on flights from Seoul to San Jose. Millions of users trust and use momondo every year so you are in good hands.

Can I find flights from Seoul to San Jose with flexible booking policies on momondo?

All flight searches from Seoul to San Jose on momondo can be filtered to show those which offer flexible booking policies.

How can momondo help me find flights from Seoul to San Jose?

Once you have performed a search in the form on the page, momondo provides useful filters and insights. We can show you the cheapest days and times to fly as well as help filter your options to help you make an informed choice when booking flights to San Jose from Seoul.

I’m not ready to book a flight from Seoul to San Jose right now. Can momondo alert me if prices change?

Yes momondo offers price alerts on flights to San Jose from Seoul. After performing a search on this page you should be able to see the price alert set up feature. Simply provide a valid email address and momondo will instantly alert you when prices change.

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