$426 Find Cheap Flights from California to Seoul

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 7/17. 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

Mon, Aug 10 - Fri, Aug 21
AIR PREMIA Logo
3:30 pm - 8:10 pm
SFO
-
ICN
12h 40mnonstop
AIR PREMIA Logo
6:00 pm - 1:00 pm
ICN
-
SFO
11h 00mnonstop
$724AIR PREMIA
Fri, Aug 21 - Fri, Aug 28
AIR PREMIA Logo
3:30 pm - 8:10 pm
SFO
-
ICN
12h 40mnonstop
AIR PREMIA Logo
6:00 pm - 1:00 pm
ICN
-
SFO
11h 00mnonstop
$725AIR PREMIA
Tue, Sep 15 - Mon, Oct 19
China Eastern Logo
12:30 pm - 3:10 pm
LAX
-
ICN
34h 40m
1 stop
China Eastern Logo
6:25 pm - 10:05 am
ICN
-
LAX
31h 40m
1 stop
$776China Eastern
Fri, Aug 28 - Thu, Oct 15
China Eastern Logo
12:30 pm - 3:20 pm
LAX
-
ICN
34h 50m
1 stop
China Eastern Logo
8:55 am - 10:05 am
ICN
-
LAX
17h 10m
1 stop
$777China Eastern
Thu, Oct 1 - Sat, Oct 17
Korean Air Logo
5:45 am - 3:20 pm
SJC
-
ICN
17h 35m
1 stop
Korean Air Logo
7:00 pm - 4:57 pm
ICN
-
SJC
13h 57m
1 stop
$854Korean Air
Fri, Nov 6 - Sun, Nov 15
Multiple Airlines Logo
11:30 am - 11:00 am
LAX
-
GMP
30h 30m
1 stop
Multiple Airlines Logo
8:50 pm - 9:05 am
GMP
-
LAX
29h 15m
1 stop
$890Multiple Airlines
Wed, Aug 19 - Sat, Sep 5
Multiple Airlines Logo
8:39 am - 8:10 pm
LAS
-
ICN
19h 31m
1 stop
Multiple Airlines Logo
6:00 pm - 12:31 am
ICN
-
LAS
22h 31m
1 stop
$935Multiple Airlines
Fri, Nov 6 - Sat, Nov 14
Alaska Airlines Logo
7:00 am - 5:35 pm
OAK
-
ICN
17h 35m
1 stop
Alaska Airlines Logo
8:00 pm - 7:00 pm
ICN
-
OAK
16h 00m
1 stop
$976Alaska Airlines
Sun, Nov 1 - Sat, Nov 14
Alaska Airlines Logo
8:00 am - 5:35 pm
SJC
-
ICN
16h 35m
1 stop
Alaska Airlines Logo
8:00 pm - 6:49 pm
ICN
-
SJC
15h 49m
1 stop
$976Alaska Airlines
Mon, Nov 9 - Fri, Nov 13
Korean Air Logo
7:15 am - 5:55 pm
SJC
-
ICN
17h 40m
1 stop
Korean Air Logo
4:10 pm - 2:09 pm
ICN
-
SJC
14h 59m
1 stop
$980Korean Air
Useful Info

Good to know

Low seasonJanuary
Cheapest flight$426
Best time to beat the crowds with an average 6% drop in price.
Most popular time to fly and prices are also 5% 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 $803
Premium Economy Class flights to Seoulfrom $1,244
Economy Class flights to Seoulfrom $680