$353 Find Cheap Flights from California to Seoul - Compare and Save

This is the cheapest one-way flight price found by a KAYAK user in the last 72 hours by searching for a flight to Seoul departing on 10/7. Fares are subject to change and may not be available on all flights or dates of travel. Click the price to replicate the search for this deal.
1 adult
1 adult, Economy, 0 bags

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Flight Deals

Cheap Flights from California to Seoul

 
Here are some of the best deals found on KAYAK recently from the most popular airlines for round-trip flights from California to Seoul that are departing in the next months. While these flights were available on KAYAK in the last 72 hours, prices and availability are subject to change and deals may expire.
Discover the best prices for you by selecting your travel dates on KAYAK.

Recent round-trip flight deals from California to Seoul

Sat, Sep 5 - Sun, Sep 20
AIR PREMIA Logo
3:30 pm - 8:10 pm
SFO
-
ICN
12h 40mnonstop
AIR PREMIA Logo
7:15 pm - 2:15 pm
ICN
-
SFO
11h 00mnonstop
$713AIR PREMIA
Mon, Aug 24 - Sun, Sep 6
AIR PREMIA Logo
5:00 pm - 9:40 pm
SFO
-
ICN
12h 40mnonstop
AIR PREMIA Logo
7:15 pm - 2:15 pm
ICN
-
SFO
11h 00mnonstop
$715AIR PREMIA
Fri, Nov 6 - Sat, Nov 21
United Airlines Logo
10:30 am - 4:15 pm
SFO
-
ICN
12h 45mnonstop
United Airlines Logo
12:45 pm - 6:30 am
ICN
-
SFO
10h 45mnonstop
$718United Airlines
Wed, Oct 7 - Sat, Oct 17
Asiana Airlines Logo
10:25 am - 3:00 pm
SFO
-
ICN
12h 35mnonstop
Asiana Airlines Logo
4:50 pm - 11:40 am
ICN
-
SFO
10h 50mnonstop
$720Asiana Airlines
Mon, Oct 12 - Sat, Oct 24
United Airlines Logo
11:45 pm - 4:20 am
SFO
-
ICN
12h 35mnonstop
United Airlines Logo
4:50 pm - 11:40 am
ICN
-
SFO
10h 50mnonstop
$721United Airlines
Sat, Sep 12 - Sat, Sep 19
Asiana Airlines Logo
9:15 pm - 3:20 pm
SFO
-
ICN
26h 05m
1 stop
Asiana Airlines Logo
4:50 pm - 11:40 am
ICN
-
SFO
10h 50mnonstop
$725Asiana Airlines
Sun, Nov 15 - Fri, Nov 20
Air China Logo
1:20 pm - 11:40 am
LAX
-
ICN
29h 20m
1 stop
Air China Logo
11:10 am - 7:00 pm
ICN
-
LAX
24h 50m
1 stop
$735Air China
Mon, Sep 7 - Fri, Nov 13
Air China Logo
11:25 pm - 4:35 pm
LAX
-
ICN
25h 10m
1 stop
Air China Logo
11:10 am - 7:00 pm
ICN
-
LAX
24h 50m
1 stop
$745Air China
Thu, Oct 1 - Sun, Oct 18
China Eastern Logo
12:00 pm - 11:00 am
SFO
-
GMP
31h 00m
1 stop
China Eastern Logo
8:50 pm - 9:05 am
GMP
-
SFO
28h 15m
1 stop
$770China Eastern
Thu, Sep 24 - Fri, Oct 16
China Eastern Logo
12:00 pm - 11:00 am
SFO
-
GMP
31h 00m
1 stop
China Eastern Logo
8:50 pm - 9:05 am
GMP
-
SFO
28h 15m
1 stop
$776China Eastern
Useful Info

Good to know

Low seasonJanuary
Cheapest flight$353
Best time to beat the crowds with an average 3% drop in price.
Most popular time to fly and prices are also 11% lower on average.
Flight from San Francisco to Seoul Incheon Airport

Flights from California to Seoul: the best tips from KAYAK users

Insights shared by verified travelers who flew the route from California to Seoul 
Learn how KAYAK collects reviews and tips from users.
Verified travelerFlew with Asiana Airlines
SFO
-
ICN
Mar 2026
Walk straight to arrivals upon getting to Incheon, and take their airport bus route if convenient.
DexterFlew with Asiana Airlines
SFO
-
ICN
Feb 2026
If traveling with toddlers or picky eaters, make sure you feed or buy food your kids will eat. Leaving San Francisco my kids didn’t eat any of the food coming from the SFO airport.

FAQs for booking flights from California to Seoul

  • How does KAYAK find such low prices on flights from California to Seoul?

    KAYAK is a travel search engine. That means we look across the web to find the best prices we can find for our users. With over 2 billion flight queries processed yearly, we are able to display a variety of prices and options on flights from California to Seoul.

  • How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from California to Seoul?

    KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to Seoul from California is likely to change within 7 days, so travelers know whether to wait or book now.

  • What is the Hacker Fare option on flights from California to Seoul?

    Hacker Fares allow you to combine one-way tickets in order to save you money over a traditional round-trip ticket. You could then fly to Seoul with an airline and back to California with another airline.

  • What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from California to Seoul?

    Sometimes travel dates aren't set in stone. If your preferred travel dates have some wiggle room, flexible dates will show you all the options when flying to Seoul from California up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

Everything you need to know for your flight to Seoul

Cabin class types available on flights to California

Cabin classes available on flights to Seoul. Prices are the lowest found on KAYAK over the last 7 days. Price and availability is not guaranteed.
First Class flights to Seoulfrom $1,680
Business Class flights to Seoulfrom $4,483
Premium Economy Class flights to Seoulfrom $1,468
Economy Class flights to Seoulfrom $694