Cheap flights from San Jose, California to Seoul from $439

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 1/6. 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

Enter your travel dates to find the best prices.
Alaska Airlines Logo
6:15 am - 6:35 pmSJC-ICN
19h 20m1 stop
Alaska Airlines Logo
8:35 pm - 7:04 pmICN-SJC
15h 29m1 stop
$616Alaska Airlines
Find Deal
Wed, Feb 11 - Mon, Feb 23
Alaska Airlines Logo
6:15 am - 6:35 pmSJC-ICN
19h 20m1 stop
Alaska Airlines Logo
8:35 pm - 7:04 pmICN-SJC
15h 29m1 stop
$654Alaska Airlines
Find Deal
Sat, Jan 31 - Thu, Feb 12
United Airlines Logo
8:45 am - 5:40 amSJC-ICN
27h 55m2 stops
United Airlines Logo
12:45 pm - 5:52 pmICN-SJC
22h 07m2 stops
$780United Airlines
Find Deal
Thu, Nov 27 - Sat, Dec 6
United Airlines Logo
6:40 pm - 4:15 pmSJC-ICN
28h 35m2 stops
United Airlines Logo
6:00 pm - 10:05 amICN-SJC
33h 05m2 stops
$781United Airlines
Find Deal
Sun, Nov 16 - Sun, Nov 23
Korean Air Logo
6:18 am - 3:55 pmSJC-ICN
16h 37m1 stop
Korean Air Logo
4:10 pm - 1:52 pmICN-SJC
14h 42m1 stop
$834Korean Air
Find Deal
Wed, Dec 3 - Thu, Dec 18
Korean Air Logo
6:18 am - 3:55 pmSJC-ICN
16h 37m1 stop
Korean Air Logo
4:10 pm - 1:52 pmICN-SJC
14h 42m1 stop
$846Korean Air
Find Deal
Sun, Dec 7 - Thu, Dec 18
Delta Logo
5:45 am - 4:20 pmSJC-ICN
17h 35m1 stop
Delta Logo
7:40 pm - 11:52 pmICN-SJC
21h 12m1 stop
$876Delta
Find Deal
Mon, Nov 17 - Tue, Nov 25
Delta Logo
7:05 am - 4:30 pmSJC-ICN
16h 25m1 stop
Delta Logo
8:05 pm - 8:24 amICN-SJC
29h 19m2 stops
$880Delta
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Tue, Nov 25 - Wed, Dec 3
Japan Airlines Logo
10:05 am - 10:05 pmSJC-GMP
20h 00m2 stops
Japan Airlines Logo
12:05 pm - 4:45 pmGMP-SJC
20h 40m2 stops
$1,188Japan Airlines
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Mon, Mar 16 - Tue, Mar 24
Japan Airlines Logo
6:15 am - 10:05 pmSJC-GMP
22h 50m2 stops
Japan Airlines Logo
12:05 pm - 2:42 pmGMP-SJC
19h 37m2 stops
$1,272Japan Airlines
Find Deal
Sun, Jan 25 - Fri, Jan 30

Alaska Airlines flights from San Jose, California to Seoul

Our best Alaska Airlines deals on San Jose, California to Seoul flight tickets
Alaska Airlines
Feb 11
SJC6:15 amSan Jose
19h 20m
1 stop
ICN6:35 pmIncheon Intl
Feb 23
ICN8:35 pmIncheon Intl
15h 29m
1 stop
SJC7:04 pmSan Jose
Alaska Airlines
Nov 6
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
Alaska Airlines
Jan 25
SJC9:05 amSan Jose
16h 30m
1 stop
ICN6:35 pmIncheon Intl
Jan 30
ICN8:35 pmIncheon Intl
16h 29m
1 stop
SJC8:04 pmSan Jose

Delta flights from San Jose, California to Seoul

Our best Delta deals on San Jose, California to Seoul flight tickets
Delta
Nov 17
SJC5:45 amSan Jose
17h 35m
1 stop
ICN4:20 pmIncheon Intl
Nov 25
ICN7:40 pmIncheon Intl
21h 12m
1 stop
SJC11:52 pmSan Jose
Delta
Nov 25
SJC7:05 amSan Jose
16h 25m
1 stop
ICN4:30 pmIncheon Intl
Dec 3
ICN8:05 pmIncheon Intl
29h 19m
2 stops
SJC8:24 amSan Jose
Delta
Nov 14
SJC1:35 pmSan Jose
33h 55m
2 stops
ICN4:30 pmIncheon Intl
Nov 23
ICN7:40 pmIncheon Intl
15h 44m
1 stop
SJC6:24 pmSan Jose

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 October 30, 2025.
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

San JoseIncheon

SJC - ICN

SJCICN

San Jose

Wed 2/11

6:15 am-6:35 pm

1 stop19h 20m

Incheon Intl

Mon 2/23

8:35 pm-7:04 pm

1 stop15h 29m

$616

San JoseIncheon

SJC - ICN

SJCICN

San Jose

Sat 1/31

6:15 am-6:35 pm

1 stop19h 20m

Incheon Intl

Thu 2/12

8:35 pm-7:04 pm

1 stop15h 29m

$654

San JoseIncheon

SJC - ICN

SJCICN

San Jose

Thu 11/27

8:45 am-5:40 am

2 stops27h 55m

Incheon Intl

Sat 12/6

12:45 pm-5:52 pm

2 stops22h 07m

$780

San JoseIncheon

SJC - ICN

SJCICN

San Jose

Sun 11/16

6:40 pm-4:15 pm

2 stops28h 35m

Incheon Intl

Sun 11/23

6:00 pm-10:05 am

2 stops33h 05m

$781

San JoseIncheon

SJC - ICN

SJCICN

San Jose

Wed 12/3

6:18 am-3:55 pm

1 stop16h 37m

Incheon Intl

Thu 12/18

4:10 pm-1:52 pm

1 stop14h 42m

$834

San JoseIncheon

SJC - ICN

SJCICN

San Jose

Sun 12/7

6:18 am-3:55 pm

1 stop16h 37m

Incheon Intl

Thu 12/18

4:10 pm-1:52 pm

1 stop14h 42m

$846

San JoseIncheon

SJC - ICN

SJCICN

San Jose

Mon 11/17

5:45 am-4:20 pm

1 stop17h 35m

Incheon Intl

Tue 11/25

7:40 pm-11:52 pm

1 stop21h 12m

$876

San JoseIncheon

SJC - ICN

SJCICN

San Jose

Tue 11/25

7:05 am-4:30 pm

1 stop16h 25m

Incheon Intl

Wed 12/3

8:05 pm-8:24 am

2 stops29h 19m

$880

San JoseSeoul

SJC - GMP

SJCGMP

San Jose

Mon 3/16

10:05 am-10:05 pm

2 stops20h 00m

Seoul Gimpo Intl

Tue 3/24

12:05 pm-4:45 pm

2 stops20h 40m

$1,188

San JoseSeoul

SJC - GMP

SJCGMP

San Jose

Sun 1/25

6:15 am-10:05 pm

2 stops22h 50m

Seoul Gimpo Intl

Fri 1/30

12:05 pm-2:42 pm

2 stops19h 37m

$1,272

Flights are sorted by cheapest round-trip flights 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 October is another great option to travel to Seoul, with average flight prices from San Jose, California averaging around $832.

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, California. 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, California 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, 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

Direct flights

None
There are no direct flights from San Jose, California to Seoul. There are no popular flight routes from San Jose, California to Seoul.
  • 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 30m 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.

Best airlines flying from San Jose, California to Seoul

Compare and see reviews for airlines that fly from San Jose, California to Seoul with momondo
Airline
Rating
Free Cancellation
Price
United AirlinesPriceFrom $661Free CancellationRating
7.4
8,998 reviews
Search United Airlines flights
Korean AirPriceFrom $800Free CancellationRating
8.4
1,155 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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1 adult
Sat 11/29
Sat 12/6

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