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Cheap flights from San Jose, California to Seoul from $436

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from San Jose, California to Seoul departing on 4/23. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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Find the cheapest flights from San Jose, California to Seoul

Cheap round-trip flights

Enter your travel dates to find the best prices.
Multiple Airlines Logo
6:15 am - 6:35 pm
SJC
-
ICN
20h 20m
1 stop
Multiple Airlines Logo
7:35 pm - 10:35 pm
ICN
-
SJC
19h 00m
1 stop
$662Multiple Airlines
Sun, Apr 5 - Wed, Apr 22
Alaska Airlines Logo
6:15 am - 5:30 pm
SJC
-
ICN
19h 15m
1 stop
Alaska Airlines Logo
7:35 pm - 9:30 am
ICN
-
SJC
29h 55m
1 stop
$672Alaska Airlines
Mon, May 4 - Mon, May 11
Alaska Airlines Logo
10:03 am - 5:30 pm
SJC
-
ICN
15h 27m
1 stop
Alaska Airlines Logo
8:00 pm - 7:54 pm
ICN
-
SJC
15h 54m
1 stop
$676Alaska Airlines
Sun, Sep 13 - Mon, Oct 26
Alaska Airlines Logo
8:00 am - 5:30 pm
SJC
-
ICN
17h 30m
1 stop
Alaska Airlines Logo
7:35 pm - 1:50 pm
ICN
-
SJC
34h 15m
1 stop
$682Alaska Airlines
Mon, May 4 - Mon, May 11
Multiple Airlines Logo
8:00 am - 6:35 pm
SJC
-
ICN
18h 35m
1 stop
Multiple Airlines Logo
8:35 pm - 8:00 pm
ICN
-
SJC
15h 25m
1 stop
$742Multiple Airlines
Wed, Apr 8 - Thu, Apr 16
United Airlines Logo
6:37 pm - 3:00 pm
SJC
-
ICN
28h 23m
2 stops
United Airlines Logo
11:45 am - 1:26 pm
ICN
-
SJC
41h 41m
2 stops
$793United Airlines
Sun, Sep 13 - Mon, Oct 26
Korean Air Logo
6:00 am - 3:20 pm
SJC
-
ICN
17h 20m
1 stop
Korean Air Logo
7:20 pm - 6:20 pm
ICN
-
SJC
15h 00m
1 stop
$797Korean Air
Mon, May 4 - Mon, May 11
Korean Air Logo
7:15 am - 4:50 pm
SJC
-
ICN
17h 35m
1 stop
Korean Air Logo
2:30 pm - 4:15 pm
ICN
-
SJC
17h 45m
1 stop
$811Korean Air
Thu, Jul 23 - Sat, Sep 5
Japan Airlines Logo
6:15 am - 10:40 am
SJC
-
GMP
36h 25m
2 stops
Japan Airlines Logo
8:00 am - 5:06 pm
GMP
-
SJC
25h 06m
2 stops
$1,217Japan Airlines
Sun, May 10 - Wed, May 20
Japan Airlines Logo
6:15 am - 10:40 am
SJC
-
GMP
36h 25m
2 stops
Japan Airlines Logo
8:00 am - 5:06 pm
GMP
-
SJC
25h 06m
2 stops
$1,862Japan Airlines
Sun, May 10 - Thu, May 21

Alaska Airlines flights from San Jose, California to Seoul

Our best Alaska Airlines deals on San Jose, California to Seoul flight tickets
Alaska Airlines
May 4
SJC6:15 amSan Jose
19h 15m
1 stop
ICN5:30 pmIncheon Intl
May 11
ICN7:35 pmIncheon Intl
29h 55m
1 stop
SJC9:30 amSan Jose
$672
Alaska Airlines
Sep 13
SJC10:03 amSan Jose
15h 27m
1 stop
ICN5:30 pmIncheon Intl
Oct 26
ICN8:00 pmIncheon Intl
15h 54m
1 stop
SJC7:54 pmSan Jose
$676
Alaska Airlines
May 4
SJC8:00 amSan Jose
17h 30m
1 stop
ICN5:30 pmIncheon Intl
May 11
ICN7:35 pmIncheon Intl
34h 15m
1 stop
SJC1:50 pmSan Jose
$682

United Airlines flights from San Jose, California to Seoul

Our best United Airlines deals on San Jose, California to Seoul flight tickets
United Airlines
Apr 18
SJC8:45 amSan Jose
27h 35m
2 stops
ICN4:20 amIncheon Intl
May 6
ICN4:50 pmIncheon Intl
20h 42m
2 stops
SJC9:32 pmSan Jose
$781
United Airlines
Sep 13
SJC6:37 pmSan Jose
28h 23m
2 stops
ICN3:00 pmIncheon Intl
Oct 26
ICN11:45 amIncheon Intl
41h 41m
2 stops
SJC1:26 pmSan Jose
$793
United Airlines
May 6
SJC2:33 pmSan Jose
21h 47m
2 stops
ICN4:20 amIncheon Intl
May 13
ICN11:30 amIncheon Intl
26h 02m
2 stops
SJC9:32 pmSan Jose
$879

momondo Fare Finder

 
Customize your flight search to find flights from San Jose, California 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, momondo users made 832,500 searches. Data last updated March 22, 2026.
Use the filters below to find and compare flights from San Jose, California to Seoul that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

San JoseIncheon

SJC - ICN

SJCICN

San Jose

Sun 4/5

6:15 am-6:35 pm

1 stop20h 20m

Incheon Intl

Wed 4/22

7:35 pm-10:35 pm

1 stop19h 00m

$662

San JoseIncheon

SJC - ICN

SJCICN

San Jose

Mon 5/4

6:15 am-5:30 pm

1 stop19h 15m

Incheon Intl

Mon 5/11

7:35 pm-9:30 am

1 stop29h 55m

$672
Quickest round-trip

San JoseIncheon

SJC - ICN

SJCICN

San Jose

Sun 9/13

10:03 am-5:30 pm

1 stop15h 27m

Incheon Intl

Mon 10/26

8:00 pm-7:54 pm

1 stop15h 54m

$676

San JoseIncheon

SJC - ICN

SJCICN

San Jose

Mon 5/4

8:00 am-5:30 pm

1 stop17h 30m

Incheon Intl

Mon 5/11

7:35 pm-1:50 pm

1 stop34h 15m

$682

San JoseIncheon

SJC - ICN

SJCICN

San Jose

Wed 4/8

8:00 am-6:35 pm

1 stop18h 35m

Incheon Intl

Thu 4/16

8:35 pm-8:00 pm

1 stop15h 25m

$742

San JoseIncheon

SJC - ICN

SJCICN

San Jose

Sun 9/13

6:37 pm-3:00 pm

2 stops28h 23m

Incheon Intl

Mon 10/26

11:45 am-1:26 pm

2 stops41h 41m

$793

San JoseIncheon

SJC - ICN

SJCICN

San Jose

Mon 5/4

6:00 am-3:20 pm

1 stop17h 20m

Incheon Intl

Mon 5/11

7:20 pm-6:20 pm

1 stop15h 00m

$797

San JoseIncheon

SJC - ICN

SJCICN

San Jose

Thu 7/23

7:15 am-4:50 pm

1 stop17h 35m

Incheon Intl

Sat 9/5

2:30 pm-4:15 pm

1 stop17h 45m

$811

San JoseSeoul

SJC - GMP

SJCGMP

San Jose

Sun 5/10

6:15 am-10:40 am

2 stops36h 25m

Seoul Gimpo Intl

Wed 5/20

8:00 am-5:06 pm

2 stops25h 06m

$1,217

San JoseSeoul

SJC - GMP

SJCGMP

San Jose

Sun 5/10

6:15 am-10:40 am

2 stops36h 25m

Seoul Gimpo Intl

Thu 5/21

8:00 am-5:06 pm

2 stops25h 06m

$1,862

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to Seoul from

How to get the cheapest flight ticket from San Jose, California to Seoul

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

What is the typical price of a round-trip flight between San Jose, California and Seoul?

What is the cheapest month to fly to Seoul?

The month of February is another great option to travel to Seoul, with average flight prices from San Jose, California averaging around $831.

When to book flights from San Jose, California to Seoul

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

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

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

Fastest flight time

15h 37m

Direct flights

None
The fastest flight from San Jose, California to Seoul takes 15h 37m
There are no direct flights from San Jose, California to Seoul. There are no popular flight routes from San Jose, California to Seoul.
Search flight deals

  • How far is San Jose to Seoul by plane?

    San Jose and Seoul are 5648.5 mi apart from one another. Typically, this will take 15h 37m by plane in normal conditions.

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

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

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

    The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from San Jose Airport to Seoul.

  • What documentation or ID do you need to fly to Seoul?

    The required travel and health documents for your Seoul trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Seoul. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

Why use momondo?

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

We help find the flight that best suits your needs, momondo compares prices from hundreds of airlines and travel agents and helps you filter them to find the best flight from San Jose to Seoul for you.

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

Yes. momondo allows you to filter the results for San Jose to Seoul flights to just show those with flexible booking policies.

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

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 Seoul from San Jose.

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

Price alerts on flights to Seoul from San Jose are quick and easy to set up on momondo. Simply perform a search and select the price alert feature. It is as simple as that.

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Find better results for your trip to South Korea

Fly into one of these airports located in Seoul

Airports listed have a maximum distance of 30.3 mi from Seoul
Seoul Gimpo Intl Airport
Incheon Intl Airport