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Cheap flights from San Jose to Seoul from $368

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 to Seoul departing on 9/28. 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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Cheap round-trip flights

Alaska Airlines Logo
8:10 am - 6:35 pmSJC-ICN
18h 25m1 stop
Alaska Airlines Logo
8:35 pm - 9:21 amICN-SJC
29h 46m1 stop
$621Alaska Airlines
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Thu, Oct 30 - Thu, Nov 27
Alaska Airlines Logo
6:59 pm - 6:35 pmSJC-ICN
31h 36m1 stop
Alaska Airlines Logo
8:35 pm - 9:16 amICN-SJC
28h 41m1 stop
$627Alaska Airlines
Find Deal
Fri, Oct 24 - Fri, Oct 31
Alaska Airlines Logo
8:10 am - 6:35 pmSJC-ICN
17h 25m1 stop
Alaska Airlines Logo
8:35 pm - 8:00 pmICN-SJC
16h 25m1 stop
$656Alaska Airlines
Find Deal
Sun, Nov 2 - Thu, Nov 13
Hawaiian Airlines Logo
8:00 am - 6:35 pmSJC-ICN
18h 35m1 stop
Hawaiian Airlines Logo
8:35 pm - 8:00 pmICN-SJC
15h 25m1 stop
$672Hawaiian Airlines
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Thu, Oct 23 - Thu, Oct 30
United Airlines Logo
4:00 pm - 4:15 pmSJC-ICN
31h 15m2 stops
United Airlines Logo
12:45 pm - 1:33 pmICN-SJC
41h 48m2 stops
$767United Airlines
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Sun, Dec 7 - Thu, Dec 18
United Airlines Logo
4:05 pm - 3:15 pmSJC-ICN
31h 10m2 stops
United Airlines Logo
6:00 pm - 10:05 amICN-SJC
33h 05m2 stops
$781United Airlines
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Tue, Oct 28 - Sun, Nov 2
Logo
10:53 am - 3:45 pmSJC-ICN
36h 52m1 stop
Logo
9:20 pm - 5:34 pmICN-SJC
36h 14m2 stops
$790
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Thu, Oct 23 - Thu, Oct 30
Logo
12:53 pm - 3:45 pmSJC-ICN
34h 52m1 stop
Logo
9:00 pm - 10:59 pmICN-SJC
17h 59m1 stop
$837
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Thu, Oct 16 - Thu, Oct 30
Korean Air Logo
7:00 am - 5:35 pmSJC-ICN
17h 35m1 stop
Korean Air Logo
2:30 pm - 1:19 pmICN-SJC
15h 49m1 stop
$866Korean Air
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Fri, Nov 7 - Thu, Nov 20
Korean Air Logo
8:00 am - 4:40 pmSJC-ICN
16h 40m1 stop
Korean Air Logo
8:25 pm - 7:13 pmICN-SJC
14h 48m1 stop
$867Korean Air
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Tue, Sep 23 - Fri, Sep 26

Alaska Airlines flights from San Jose to Seoul

Our best Alaska Airlines deals on San Jose to Seoul flight tickets
Alaska Airlines
Oct 30
SJC8:10 amSan Jose
18h 25m
1 stop
ICN6:35 pmIncheon Intl
Nov 27
ICN8:35 pmIncheon Intl
29h 46m
1 stop
SJC9:21 amSan Jose
$621
Find similar
Alaska Airlines
Oct 24
SJC6:59 pmSan Jose
31h 36m
1 stop
ICN6:35 pmIncheon Intl
Oct 31
ICN8:35 pmIncheon Intl
28h 41m
1 stop
SJC9:16 amSan Jose
$627
Find similar
Alaska Airlines
Nov 2
SJC8:10 amSan Jose
17h 25m
1 stop
ICN6:35 pmIncheon Intl
Nov 13
ICN8:35 pmIncheon Intl
16h 25m
1 stop
SJC8:00 pmSan Jose
$656
Find similar

United Airlines flights from San Jose to Seoul

Our best United Airlines deals on San Jose to Seoul flight tickets
United Airlines
Dec 7
SJC4:00 pmSan Jose
31h 15m
2 stops
ICN4:15 pmIncheon Intl
Dec 18
ICN12:45 pmIncheon Intl
41h 48m
2 stops
SJC1:33 pmSan Jose
$767
Find similar
United Airlines
Sep 22
SJC6:20 pmSan Jose
28h 40m
2 stops
ICN3:00 pmIncheon Intl
Sep 25
ICN11:30 amIncheon Intl
25h 36m
2 stops
SJC9:06 pmSan Jose
$781
Find similar
United Airlines
Oct 31
SJC4:05 pmSan Jose
44h 35m
2 stops
ICN4:40 amIncheon Intl
Nov 24
ICN6:00 pmIncheon Intl
33h 05m
2 stops
SJC10:05 amSan Jose
$793
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momondo 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, momondo users made 832,500 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

Fly to

Route

Depart

Return

Price

San JoseIncheon

SJC - ICN

SJCICN

San Jose

Thu 10/30

8:10 am-6:35 pm

1 stop18h 25m

Incheon Intl

Thu 11/27

8:35 pm-9:21 am

1 stop29h 46m

$621

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

Sun 11/2

8:10 am-6:35 pm

1 stop17h 25m

Incheon Intl

Thu 11/13

8:35 pm-8:00 pm

1 stop16h 25m

$656

San JoseIncheon

SJC - ICN

SJCICN

San Jose

Thu 10/23

8:00 am-6:35 pm

1 stop18h 35m

Incheon Intl

Thu 10/30

8:35 pm-8:00 pm

1 stop15h 25m

$672

San JoseIncheon

SJC - ICN

SJCICN

San Jose

Sun 12/7

4:00 pm-4:15 pm

2 stops31h 15m

Incheon Intl

Thu 12/18

12:45 pm-1:33 pm

2 stops41h 48m

$767

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

San JoseIncheon

SJC - ICN

SJCICN

San Jose

Thu 10/23

10:53 am-3:45 pm

1 stop36h 52m

Incheon Intl

Thu 10/30

9:20 pm-5:34 pm

2 stops36h 14m

$790

San JoseIncheon

SJC - ICN

SJCICN

San Jose

Thu 10/16

12:53 pm-3:45 pm

1 stop34h 52m

Incheon Intl

Thu 10/30

9:00 pm-10:59 pm

1 stop17h 59m

$837

San JoseIncheon

SJC - ICN

SJCICN

San Jose

Fri 11/7

7:00 am-5:35 pm

1 stop17h 35m

Incheon Intl

Thu 11/20

2:30 pm-1:19 pm

1 stop15h 49m

$866

San JoseIncheon

SJC - ICN

SJCICN

San Jose

Tue 9/23

8:00 am-4:40 pm

1 stop16h 40m

Incheon Intl

Fri 9/26

8:25 pm-7:13 pm

1 stop14h 48m

$867

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 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 and Seoul?

What is the cheapest month to fly to Seoul?

The month of September is another great option to travel to Seoul, with average flight prices from San Jose averaging around $851.

What is the cheapest day to depart on your flight to Seoul?

According to our data, Thursday is the cheapest day to fly to Seoul from San Jose. The lowest ticket price found for a Thursday departure recently was $1,124. Keep in mind that prices can always vary depending on your route and whether or not you are flying domestic or international. The most expensive day to fly to Seoul is Sunday, with ticket prices averaging around $1,492.

What is the cheapest time of day to depart on your flight to Seoul?

Flying to Seoul from San Jose in the afternoon is the least expensive time of day to depart. momondo users have found prices as low as $1,170 when looking at flights departing in the afternoon. In the evening is when there is more demand to fly to Seoul, so prices are often more expensive at around $1,595 per ticket.

When to book flights from San Jose to Seoul

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

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

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

Direct flights

None
There are no direct flights from San Jose to Seoul. There are no popular flight routes from San Jose to Seoul.
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  • 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 16h 40m 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 many operators does momondo search for flights from San Jose Airport to Seoul?

  • 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.

  • What is the most popular airline from San Jose to Seoul?

Best airlines flying from San Jose to Seoul

Compare and see reviews for airlines that fly from San Jose to Seoul with momondo
Airline
Rating
Free Cancellation
Price
Korean AirPriceFrom $800Free CancellationRating
8.4
1,139 reviews
Search Korean Air flights

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