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Cheap flights from San Jose, California to Seoul from $423

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 11/28. 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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0 bags

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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.
Alaska Airlines Logo
3:05 pm - 6:35 pmSJC-ICN
35h 30m1 stop
Alaska Airlines Logo
8:35 pm - 7:04 pmICN-SJC
14h 29m1 stop
$616Alaska Airlines
Find Deal
Tue, Mar 10 - Sat, Mar 14
Alaska Airlines Logo
6:15 am - 6:35 pmSJC-ICN
19h 20m1 stop
Alaska Airlines Logo
8:35 pm - 8:00 pmICN-SJC
16h 25m1 stop
$654Alaska Airlines
Find Deal
Sun, Feb 1 - Fri, Feb 6
United Airlines Logo
4:00 pm - 5:40 amSJC-ICN
20h 40m2 stops
United Airlines Logo
12:45 pm - 9:27 pmICN-SJC
25h 42m2 stops
$781United Airlines
Find Deal
Fri, Dec 5 - Fri, Dec 12
United Airlines Logo
8:45 am - 5:40 amSJC-ICN
27h 55m2 stops
United Airlines Logo
6:00 pm - 1:32 pmICN-SJC
36h 32m2 stops
$793United Airlines
Find Deal
Wed, Dec 3 - Mon, Dec 8
Korean Air Logo
6:18 am - 3:55 pmSJC-ICN
16h 37m1 stop
Korean Air Logo
4:10 pm - 3:54 pmICN-SJC
16h 44m1 stop
$841Korean Air
Find Deal
Wed, Dec 3 - Wed, Dec 10
Korean Air Logo
6:18 am - 3:55 pmSJC-ICN
16h 37m1 stop
Korean Air Logo
4:10 pm - 3:54 pmICN-SJC
16h 44m1 stop
$846Korean Air
Find Deal
Thu, Dec 4 - Wed, Dec 10
Delta Logo
7:15 am - 3:55 pmSJC-ICN
15h 40m1 stop
Delta Logo
4:10 pm - 3:54 pmICN-SJC
16h 44m1 stop
$876Delta
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Sun, Dec 7 - Thu, Dec 18
Multiple Airlines Logo
7:05 am - 3:55 pmSJC-ICN
15h 50m1 stop
Multiple Airlines Logo
8:05 pm - 6:56 pmICN-SJC
15h 51m1 stop
$879Multiple Airlines
Find Deal
Sat, Nov 29 - Sat, Dec 13
Delta Logo
7:00 am - 5:35 pmSJC-ICN
17h 35m1 stop
Delta Logo
4:10 pm - 11:53 pmICN-SJC
24h 43m2 stops
$881Delta
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Sun, Dec 7 - Thu, Dec 18
Multiple Airlines Logo
6:18 am - 3:55 pmSJC-ICN
16h 37m1 stop
Multiple Airlines Logo
8:35 am - 2:32 pmICN-SJC
22h 57m2 stops
$945Multiple Airlines
Find Deal
Fri, Dec 5 - Fri, Dec 12

Korean Air flights from San Jose, California to Incheon Intl Airport

Our best Korean Air deals on San Jose, California to Incheon Intl Airport flight tickets
Korean Air
Dec 3
SJC6:18 amSan Jose
16h 37m
1 stop
ICN3:55 pmIncheon Intl
Dec 10
ICN4:10 pmIncheon Intl
16h 44m
1 stop
SJC3:54 pmSan Jose
$841
Find similar
Korean Air
Dec 4
SJC6:18 amSan Jose
16h 37m
1 stop
ICN3:55 pmIncheon Intl
Dec 10
ICN4:10 pmIncheon Intl
16h 44m
1 stop
SJC3:54 pmSan Jose
$846
Find similar
Korean Air
Nov 3
SJC5:40 pmSan Jose
18h 30m
1 stop
ICN5:10 amIncheon Intl
Nov 10
ICN7:40 pmIncheon Intl
16h 42m
1 stop
SJC7:22 pmSan Jose
$862
Find similar

Alaska Airlines flights from San Jose, California to Incheon Intl Airport

Our best Alaska Airlines deals on San Jose, California to Incheon Intl Airport flight tickets
Alaska Airlines
Mar 10
SJC3:05 pmSan Jose
35h 30m
1 stop
ICN6:35 pmIncheon Intl
Mar 14
ICN8:35 pmIncheon Intl
14h 29m
1 stop
SJC7:04 pmSan Jose
$616
Find similar
Alaska Airlines
Oct 26
SJC8:10 amSan Jose
18h 25m
1 stop
ICN6:35 pmIncheon Intl
Nov 2
ICN8:35 pmIncheon Intl
19h 24m
1 stop
SJC10:59 pmSan Jose
$654
Find similar
Alaska Airlines
Oct 24
SJC8:00 amSan Jose
18h 35m
1 stop
ICN6:35 pmIncheon Intl
Nov 24
ICN8:35 pmIncheon Intl
20h 23m
1 stop
SJC11:58 pmSan Jose
$656
Find similar

momondo Fare Finder

 
Customize your flight search to find flights from San Jose, California to Incheon Intl Airport 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 23, 2025.
Use the filters below to find and compare flights from San Jose, California to Incheon Intl Airport that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

San JoseIncheon

SJC - ICN

SJCICN

San Jose

Tue 3/10

3:05 pm-6:35 pm

1 stop35h 30m

Incheon Intl

Sat 3/14

8:35 pm-7:04 pm

1 stop14h 29m

$616

San JoseIncheon

SJC - ICN

SJCICN

San Jose

Sun 2/1

6:15 am-6:35 pm

1 stop19h 20m

Incheon Intl

Fri 2/6

8:35 pm-8:00 pm

1 stop16h 25m

$654

San JoseIncheon

SJC - ICN

SJCICN

San Jose

Fri 12/5

4:00 pm-5:40 am

2 stops20h 40m

Incheon Intl

Fri 12/12

12:45 pm-9:27 pm

2 stops25h 42m

$781

San JoseIncheon

SJC - ICN

SJCICN

San Jose

Wed 12/3

8:45 am-5:40 am

2 stops27h 55m

Incheon Intl

Mon 12/8

6:00 pm-1:32 pm

2 stops36h 32m

$793

San JoseIncheon

SJC - ICN

SJCICN

San Jose

Wed 12/3

6:18 am-3:55 pm

1 stop16h 37m

Incheon Intl

Wed 12/10

4:10 pm-3:54 pm

1 stop16h 44m

$841

San JoseIncheon

SJC - ICN

SJCICN

San Jose

Thu 12/4

6:18 am-3:55 pm

1 stop16h 37m

Incheon Intl

Wed 12/10

4:10 pm-3:54 pm

1 stop16h 44m

$846

San JoseIncheon

SJC - ICN

SJCICN

San Jose

Sun 12/7

7:15 am-3:55 pm

1 stop15h 40m

Incheon Intl

Thu 12/18

4:10 pm-3:54 pm

1 stop16h 44m

$876

San JoseIncheon

SJC - ICN

SJCICN

San Jose

Sat 11/29

7:05 am-3:55 pm

1 stop15h 50m

Incheon Intl

Sat 12/13

8:05 pm-6:56 pm

1 stop15h 51m

$879

San JoseIncheon

SJC - ICN

SJCICN

San Jose

Sun 12/7

7:00 am-5:35 pm

1 stop17h 35m

Incheon Intl

Thu 12/18

4:10 pm-11:53 pm

2 stops24h 43m

$881

San JoseIncheon

SJC - ICN

SJCICN

San Jose

Fri 12/5

6:18 am-3:55 pm

1 stop16h 37m

Incheon Intl

Fri 12/12

8:35 am-2:32 pm

2 stops22h 57m

$945

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 Incheon Intl Airport

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 Incheon Intl Airport?

What is the cheapest month to fly to Incheon Intl Airport?

The cheapest month to fly to Incheon Intl Airport from San Jose, California is in April. Flight prices, which tend to average around $641, are often lower during this time because this is during the off-season. If you are unable to visit Incheon Intl Airport during the month of April, then departing from San Jose, California during the month February is also very affordable. Most momondo users find prices during this month for around $800.

What is the cheapest day to depart on your flight to Incheon Intl Airport?

The cheapest day to depart from San Jose, California to Incheon Intl Airport is on a Thursday when prices can be found for as low as $1,053. If your travel schedule is flexible, try to avoid departing on a Friday because tickets tend to average around $1,788. These prices are subject to change though, so be sure to set up a Price Alert for flights to Incheon Intl Airport.

What is the cheapest time of day to depart on your flight to Incheon Intl Airport?

At noon is the cheapest time of day to fly from San Jose, California to Incheon Intl Airport when you can find flight prices for as low as $1,059. Flying to Incheon Intl Airport at noon is an ideal time because this is during off-peak travel hours. If you have a flexible travel schedule, then try to avoid flying in the evening when prices are $1,473 on average. Flights to Incheon Intl Airport from San Jose, California in the evening are generally more expensive because this time of day is more convenient for travelers’ schedules.

When to book flights from San Jose, California to Incheon Intl Airport

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

Cheap San Jose, California to Incheon Intl Airport (SJC to ICN) flight deals and tips

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

Direct flights

None
There are no direct flights from San Jose, California to Incheon Intl Airport. There are no popular flight routes from San Jose, California to Incheon Intl Airport.
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  • How far is San Jose to Incheon Intl by plane?

    Incheon Intl is 5675.2 mi away from San Jose. Typically, this will take 15h 30m by plane in normal conditions.

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

    Prices for flights from San Jose Airport to Incheon Intl Airport are updated daily.

  • How many operators does momondo search for flights from San Jose Airport to Incheon Intl Airport?

  • How old do you have to be to fly from San Jose Airport to Incheon Intl 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 San Jose Airport to Incheon Intl Airport.

  • What documentation or ID do you need to fly to Incheon Intl Airport?

    The required travel and health documents for your Incheon Intl Airport 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 Incheon Intl Airport. 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, California to Incheon Intl Airport?

Best airlines flying from San Jose, California to Incheon Intl Airport

Compare and see reviews for airlines that fly from San Jose, California to Incheon Intl Airport with momondo
Airline
Rating
Free Cancellation
Price
United AirlinesPriceFrom $661Free CancellationRating
7.4
8,991 reviews
Search United Airlines flights
Korean AirPriceFrom $833Free CancellationRating
8.4
1,153 reviews
Search Korean Air flights

Traveling to a place near Seoul?

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

momondo collates all your flight options in one place and lets you filter them to find the perfect flight from San Jose to Seoul. momondo saves you time and could save you money on your trip.

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

Yes. momondo enables you to select and highlight flights to Seoul from San Jose with this policy.

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

Once all potential San Jose to Seoul flight options are in front of you, momondo lets you sort and filter flights based on preferences such as airline, price and flight times amongst many other options.

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

Of course. momondo tracks the price of San Jose to Seoul flights. All you need is a valid email address and we will do the rest; it is that quick and easy.

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