Cheap flights from San Jose to Seoul from $405

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 8/25. 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 to Seoul (SJC-SEL)

Cheap round-trip flights

Hawaiian Airlines Logo
3:15 pm - 6:35 pmSJC-ICN
35h 20m1 stop
Hawaiian Airlines Logo
8:35 pm - 7:06 pmICN-SJC
14h 31m1 stop
$670Hawaiian Airlines
Find Deal
Thu, Oct 2 - Thu, Oct 9
Alaska Airlines Logo
7:00 am - 7:25 pmSJC-ICN
19h 25m1 stop
Alaska Airlines Logo
8:35 pm - 8:00 pmICN-SJC
16h 25m1 stop
$676Alaska Airlines
Find Deal
Tue, Nov 4 - Thu, Nov 20
Alaska Airlines Logo
9:00 am - 6:35 pmSJC-ICN
17h 35m1 stop
Alaska Airlines Logo
8:35 pm - 2:21 pmICN-SJC
33h 46m1 stop
$682Alaska Airlines
Find Deal
Sat, Sep 13 - Sun, Sep 21
United Airlines Logo
3:45 pm - 3:00 pmSJC-ICN
31h 15m2 stops
United Airlines Logo
4:50 pm - 9:51 amICN-SJC
33h 01m2 stops
$781United Airlines
Find Deal
Sat, Sep 13 - Tue, Sep 23
United Airlines Logo
3:45 pm - 4:20 amSJC-ICN
44h 35m2 stops
United Airlines Logo
4:50 pm - 9:18 pmICN-SJC
20h 28m2 stops
$793United Airlines
Find Deal
Sat, Aug 30 - Sat, Sep 6
 Logo
12:10 pm - 4:50 pmSJC-ICN
36h 40m2 stops
 Logo
8:15 am - 10:10 amICN-SJC
17h 55m1 stop
Mon, Sep 15 - Sun, Sep 21
 Logo
12:10 pm - 4:30 pmSJC-ICN
36h 20m1 stop
 Logo
10:20 am - 10:10 amICN-SJC
15h 50m1 stop
Mon, Aug 25 - Wed, Sep 3
Korean Air Logo
8:00 am - 4:40 pmSJC-ICN
16h 40m1 stop
Korean Air Logo
4:40 pm - 5:20 pmICN-SJC
16h 40m1 stop
$838Korean Air
Find Deal
Wed, Oct 1 - Wed, Oct 8
American Airlines Logo
2:08 pm - 3:30 pmSJC-ICN
33h 22m1 stop
American Airlines Logo
5:45 pm - 4:54 pmICN-SJC
39h 09m1 stop
$870American Airlines
Find Deal
Wed, Oct 1 - Wed, Oct 8
Korean Air Logo
5:55 am - 3:20 pmSJC-ICN
17h 25m1 stop
Korean Air Logo
4:40 pm - 7:00 pmICN-SJC
18h 20m1 stop
$880Korean Air
Find Deal
Wed, Sep 24 - Tue, Sep 30

Alaska Airlines flights from San Jose to Seoul

Our best Alaska Airlines deals on San Jose to Seoul flight tickets
Alaska Airlines
Nov 4
SJC7:00 amSan Jose
19h 25m
1 stop
ICN7:25 pmIncheon Intl
Nov 20
ICN8:35 pmIncheon Intl
16h 25m
1 stop
SJC8:00 pmSan Jose
Alaska Airlines
Sep 13
SJC9:00 amSan Jose
17h 35m
1 stop
ICN6:35 pmIncheon Intl
Sep 21
ICN8:35 pmIncheon Intl
33h 46m
1 stop
SJC2:21 pmSan Jose
Alaska Airlines
Sep 12
SJC6:30 pmSan Jose
32h 05m
1 stop
ICN6:35 pmIncheon Intl
Sep 20
ICN8:35 pmIncheon Intl
28h 36m
1 stop
SJC9:11 amSan Jose

United Airlines flights from San Jose to Seoul

Our best United Airlines deals on San Jose to Seoul flight tickets
United Airlines
Sep 13
SJC3:45 pmSan Jose
31h 15m
2 stops
ICN3:00 pmIncheon Intl
Sep 23
ICN4:50 pmIncheon Intl
33h 01m
2 stops
SJC9:51 amSan Jose
United Airlines
Aug 30
SJC3:45 pmSan Jose
44h 35m
2 stops
ICN4:20 amIncheon Intl
Sep 6
ICN4:50 pmIncheon Intl
20h 28m
2 stops
SJC9:18 pmSan Jose
United Airlines
Sep 24
SJC8:45 amSan Jose
27h 35m
2 stops
ICN4:20 amIncheon Intl
Oct 3
ICN4:50 pmIncheon Intl
33h 02m
2 stops
SJC9:52 amSan Jose

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 August 18, 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 10/2

3:15 pm-6:35 pm

1 stop35h 20m

Incheon Intl

Thu 10/9

8:35 pm-7:06 pm

1 stop14h 31m

$670

San JoseIncheon

SJC - ICN

SJCICN

San Jose

Tue 11/4

7:00 am-7:25 pm

1 stop19h 25m

Incheon Intl

Thu 11/20

8:35 pm-8:00 pm

1 stop16h 25m

$676

San JoseIncheon

SJC - ICN

SJCICN

San Jose

Sat 9/13

9:00 am-6:35 pm

1 stop17h 35m

Incheon Intl

Sun 9/21

8:35 pm-2:21 pm

1 stop33h 46m

$682

San JoseIncheon

SJC - ICN

SJCICN

San Jose

Sat 9/13

3:45 pm-3:00 pm

2 stops31h 15m

Incheon Intl

Tue 9/23

4:50 pm-9:51 am

2 stops33h 01m

$781

San JoseIncheon

SJC - ICN

SJCICN

San Jose

Sat 8/30

3:45 pm-4:20 am

2 stops44h 35m

Incheon Intl

Sat 9/6

4:50 pm-9:18 pm

2 stops20h 28m

$793

San JoseIncheon

SJC - ICN

SJCICN

San Jose

Mon 9/15

12:10 pm-4:50 pm

2 stops36h 40m

Incheon Intl

Sun 9/21

8:15 am-10:10 am

1 stop17h 55m

$801

San JoseIncheon

SJC - ICN

SJCICN

San Jose

Mon 8/25

12:10 pm-4:30 pm

1 stop36h 20m

Incheon Intl

Wed 9/3

10:20 am-10:10 am

1 stop15h 50m

$804

San JoseIncheon

SJC - ICN

SJCICN

San Jose

Wed 10/1

8:00 am-4:40 pm

1 stop16h 40m

Incheon Intl

Wed 10/8

4:40 pm-5:20 pm

1 stop16h 40m

$838

San JoseIncheon

SJC - ICN

SJCICN

San Jose

Wed 10/1

2:08 pm-3:30 pm

1 stop33h 22m

Incheon Intl

Wed 10/8

5:45 pm-4:54 pm

1 stop39h 09m

$870

San JoseIncheon

SJC - ICN

SJCICN

San Jose

Wed 9/24

5:55 am-3:20 pm

1 stop17h 25m

Incheon Intl

Tue 9/30

4:40 pm-7:00 pm

1 stop18h 20m

$880

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 cheapest month to fly to Seoul?

The month of January is another great option to travel to Seoul, with average flight prices from San Jose averaging around $876.

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

Best Price Found

$405

Fastest flight time

15h 30m

Direct flights

None

Airports in Seoul

2 airports
The best one-way flight to Seoul from San Jose in the past 72 hours is $405. The best round-trip flight deal from San Jose to Seoul found on momondo in the last 72 hours is $670.
The fastest flight from San Jose to Seoul takes 15h 30m
There are no direct flights from San Jose to Seoul. Popular non-direct routes for this connection are San Jose Airport - Incheon Intl Airport and San Jose Airport - Seoul Gimpo Intl Airport.
There are 2 airports near Seoul: Incheon Intl (ICN), Seoul Gimpo Intl (GMP)
  • 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.

  • 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
1,131 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 8/23
Sat 8/30

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