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.

$325 CHEAP FLIGHTS from California to Seoul

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Flight Deals

Cheap Flights from California to Seoul

Discover the best prices for you by selecting your travel dates on KAYAK.

Round-trip

One-way

Last minute

Direct

Recent round-trip flight deals from California to Seoul

Sun, Sep 13 - Tue, Oct 13

11:55 pm - 12:30 pmLAX Los Angeles-ICN Incheon Intl

20h 35m1 stop Xiamen Gaoqi Intl

1:30 pm - 8:00 pmICN Incheon Intl-LAX Los Angeles

22h 30m1 stop Xiamen Gaoqi Intl

$652XiamenAir

Sun, Sep 13 - Tue, Oct 13

11:55 pm - 12:30 pmLAX Los Angeles-ICN Incheon Intl

20h 35m1 stop Xiamen Gaoqi Intl

1:30 pm - 8:00 pmICN Incheon Intl-LAX Los Angeles

22h 30m1 stop Xiamen Gaoqi Intl

$659XiamenAir

Tue, Dec 1 - Fri, Dec 11

11:30 am - 2:40 pmLAX Los Angeles-ICN Incheon Intl

34h 10m2 stops Shanghai Pu Dong Beijing Capital

8:55 am - 9:05 amICN Incheon Intl-LAX Los Angeles

17h 10m1 stop Shanghai Pu Dong

$660China Eastern

Thu, Sep 17 - Sun, Oct 4

11:20 pm - 4:25 amSFO San Francisco-ICN Incheon Intl

13h 05mnonstop

9:00 pm - 3:30 pmICN Incheon Intl-SFO San Francisco

10h 30mnonstop

$668Asiana Airlines

Sun, Sep 20 - Sun, Oct 4

11:20 pm - 4:25 amSFO San Francisco-ICN Incheon Intl

13h 05mnonstop

9:00 pm - 3:30 pmICN Incheon Intl-SFO San Francisco

10h 30mnonstop

$668Asiana Airlines

Sun, Oct 4 - Sat, Oct 17

5:00 pm - 9:40 pmSFO San Francisco-ICN Incheon Intl

12h 40mnonstop

6:00 pm - 1:00 pmICN Incheon Intl-SFO San Francisco

11h 00mnonstop

$678AIR PREMIA

Sun, Nov 22 - Fri, Nov 27

3:20 pm - 9:20 pmSFO San Francisco-ICN Incheon Intl

13h 00mnonstop

7:45 pm - 1:20 pmICN Incheon Intl-SFO San Francisco

10h 35mnonstop

$678AIR PREMIA

Tue, Oct 13 - Mon, Nov 23

11:45 pm - 4:20 amSFO San Francisco-ICN Incheon Intl

12h 35mnonstop

12:45 pm - 6:30 amICN Incheon Intl-SFO San Francisco

10h 45mnonstop

$683United Airlines

Mon, Oct 19 - Mon, Nov 23

11:45 pm - 4:20 amSFO San Francisco-ICN Incheon Intl

12h 35mnonstop

6:00 pm - 11:45 amICN Incheon Intl-SFO San Francisco

10h 45mnonstop

$686United Airlines

Sun, Nov 29 - Fri, Dec 11

11:30 am - 11:00 amLAX Los Angeles-GMP Seoul Gimpo Intl

30h 30m1 stop Shanghai Pu Dong

8:50 pm - 9:05 amGMP Seoul Gimpo Intl-LAX Los Angeles

29h 15m1 stop Shanghai Hongqiao Intl

$697China Eastern

Recent last minute flight deals from California to Seoul

Fri, Aug 21 - Mon, Aug 31

10:50 am - 3:50 pmLAX Los Angeles-ICN Incheon Intl

13h 00mnonstop

10:05 pm - 5:20 pmICN Incheon Intl-LAX Los Angeles

11h 15mnonstop

$685AIR PREMIA

Mon, Aug 24 - Wed, Aug 26

11:55 pm - 4:20 amSFO San Francisco-ICN Incheon Intl

12h 25mnonstop

4:50 pm - 12:00 pmICN Incheon Intl-SFO San Francisco

11h 10mnonstop

$692Asiana Airlines

Tue, Aug 25 - Mon, Aug 31

10:50 am - 3:50 pmLAX Los Angeles-ICN Incheon Intl

13h 00mnonstop

10:05 pm - 5:20 pmICN Incheon Intl-LAX Los Angeles

11h 15mnonstop

$694AIR PREMIA

Mon, Aug 24 - Sat, Sep 12

5:00 pm - 9:40 pmSFO San Francisco-ICN Incheon Intl

12h 40mnonstop

5:45 pm - 12:07 pmICN Incheon Intl-SFO San Francisco

34h 22m2 stops Vancouver Intl Edmonton

$758Multiple Airlines

Mon, Aug 24 - Sat, Sep 12

5:00 pm - 9:40 pmSFO San Francisco-ICN Incheon Intl

12h 40mnonstop

7:35 pm - 8:05 pmICN Incheon Intl-SFO San Francisco

16h 30m1 stop Seattle/Tacoma Intl

$761Multiple Airlines

Tue, Aug 25 - Mon, Aug 31

11:20 pm - 4:05 amSFO San Francisco-ICN Incheon Intl

12h 45mnonstop

9:00 pm - 4:00 pmICN Incheon Intl-SFO San Francisco

11h 00mnonstop

$777Asiana Airlines

Sun, Aug 23 - Mon, Aug 31

1:20 am - 7:05 pmSFO San Francisco-ICN Incheon Intl

25h 45m1 stop Hong Kong Intl

1:55 am - 11:15 pmICN Incheon Intl-SFO San Francisco

37h 20m1 stop Hong Kong Intl

$810Cathay Pacific

Mon, Aug 24 - Sun, Sep 6

1:20 am - 12:40 pmSFO San Francisco-ICN Incheon Intl

19h 20m1 stop Hong Kong Intl

3:10 pm - 11:15 pmICN Incheon Intl-SFO San Francisco

24h 05m1 stop Hong Kong Intl

$820Cathay Pacific

Sun, Aug 23 - Fri, Oct 30

2:20 pm - 4:35 pmLAX Los Angeles-ICN Incheon Intl

34h 15m1 stop Beijing Capital

11:10 am - 8:00 pmICN Incheon Intl-LAX Los Angeles

24h 50m1 stop Beijing Capital

$838Air China

Sun, Aug 23 - Fri, Nov 20

2:20 pm - 4:35 pmLAX Los Angeles-ICN Incheon Intl

34h 15m1 stop Beijing Capital

1:10 pm - 7:00 pmICN Incheon Intl-LAX Los Angeles

22h 50m1 stop Beijing Capital

$838Air China

Useful Info

Low season	January
High season	March
Cheapest flight	$325

Best time to beat the crowds with an average 9% drop in price.

Most popular time to fly and prices are also 7% lower on average.

Flight from San Francisco to Seoul Incheon Airport

Verified travelerFlew with Asiana Airlines-Mar 2026

Walk straight to arrivals upon getting to Incheon, and take their airport bus route if convenient.

DexterFlew with Asiana Airlines-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.

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

Complete your trip

Direct Flights

Flights to other cities

Origins

Other airports

Return flight deals

Cabin class types available on flights to California

First Class flights to Seoulfrom $14,139

Business Class flights to Seoulfrom $4,394

Premium Economy Class flights to Seoulfrom $1,443

Economy Class flights to Seoulfrom $648

$325 Find Cheap Flights from California to Seoul - Compare and Save

Cheap Flights from California to Seoul

Recent round-trip flight deals from California to Seoul

Recent one-way flight deals from California to Seoul

Recent last minute flight deals from California to Seoul

Recent direct flight deals from California to Seoul

Good to know

Low season

High season

Cheapest flight

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

FAQs for booking flights from California to Seoul

Everything you need to know for your flight to Seoul

Cabin class types available on flights to California

Complete your trip to Seoul with a hotel stay or car rental

Find direct flights for Seoul

Flights to other popular destinations

Flights from domestic origins to Seoul

Choose which airport to fly into in Seoul

Find deals for your return flight