HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
South Korea

$339+ Cheap flights from California to South Korea

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 8/4. Fares are subject to change and may not be available on all flights or dates of travel.
LAX — ICN
Aug 20 — Aug 271
Thu 8/20
Thu 8/27
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from California to South Korea with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

Cheap flight deals from California to South Korea

Cheapest flights from California to South Korea
Explore the most affordable flight options available from California to South Korea. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 21, 2026.

This United Airlines deal was found by Cheapflights users on 7/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/610:40 am
SFO
-
ICN
Nonstop12h 20m
United Airlines
Sun 9/2711:30 am
ICN
-
SFO
Nonstop10h 40m
United Airlines
Deal found 7/21$692
This United Airlines deal was found by Cheapflights users on 7/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/93:00 pm
SFO
-
ICN
1 stop32h 25m
United Airlines
Tue 11/176:30 pm
ICN
-
SFO
1 stop37h 53m
United Airlines
Deal found 7/21$693
This United Airlines deal was found by Cheapflights users on 7/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/2211:55 pm
SFO
-
ICN
Nonstop12h 25m
United Airlines
Fri 7/244:50 pm
ICN
-
SFO
Nonstop11h 10m
United Airlines
Deal found 7/21$694
This Kiwi.com deal was found by Cheapflights users on 7/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/266:00 am
SFO
-
ICN
1 stop20h 45m
Multiple Airlines
Wed 9/97:15 pm
ICN
-
SFO
Nonstop11h 00m
Multiple Airlines
Deal found 7/18$695
This Kiwi.com deal was found by Cheapflights users on 7/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/266:00 am
SFO
-
ICN
1 stop20h 45m
Multiple Airlines
Fri 8/287:15 pm
ICN
-
SFO
Nonstop11h 00m
Multiple Airlines
Deal found 7/19$696
This United Airlines deal was found by Cheapflights users on 7/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/2510:25 am
SFO
-
ICN
Nonstop12h 35m
United Airlines
Fri 10/235:15 pm
ICN
-
SFO
1 stop31h 59m
United Airlines
Deal found 7/20$697
This Kiwi.com deal was found by Cheapflights users on 7/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/136:00 am
SFO
-
ICN
1 stop20h 45m
Multiple Airlines
Mon 8/317:15 pm
ICN
-
SFO
Nonstop11h 00m
Multiple Airlines
Deal found 7/17$698
This KAYAK deal was found by Cheapflights users on 7/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/75:00 pm
SFO
-
ICN
Nonstop12h 40m
AIR PREMIA
Sat 8/296:00 pm
ICN
-
SFO
Nonstop11h 00m
AIR PREMIA
Deal found 7/19$699
This Kiwi.com deal was found by Cheapflights users on 7/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/166:00 am
SFO
-
ICN
1 stop20h 45m
Multiple Airlines
Fri 8/287:15 pm
ICN
-
SFO
Nonstop11h 00m
Multiple Airlines
Deal found 7/19$700
This United Airlines deal was found by Cheapflights users on 7/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/911:59 pm
SFO
-
ICN
1 stop23h 21m
United Airlines
Mon 9/215:15 pm
ICN
-
SFO
1 stop31h 59m
United Airlines
Deal found 7/20$701
This AIR PREMIA deal was found by Cheapflights users on 7/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure AIR PREMIA is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/263:30 pm
SFO
-
ICN
Nonstop12h 40m
AIR PREMIA
Sat 3/67:45 pm
ICN
-
SFO
Nonstop10h 35m
AIR PREMIA
Deal found 7/19$702
This United Airlines deal was found by Cheapflights users on 7/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/1911:45 pm
SFO
-
ICN
Nonstop12h 35m
United Airlines
Tue 11/246:30 pm
ICN
-
SFO
1 stop39h 03m
United Airlines
Deal found 7/17$703

Find flight deals from California to South Korea

Keep the following information in mind while searching for California to South Korea flight deals. Data was last updated July 21, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$692
(United Airlines)

One-way from

$339
(United Airlines)

Popular in

June

Cheapest in

August

Average price

$1,061

Good round-trip deal

$727 or less

Good one-way deal

$371 or less
Provider with most accurate pricing for Los Angeles-Seoul (SEL) flight deals.
Search Deals
Provider most trusted by Cheapflights users for Los Angeles-Seoul (SEL) flights.
Search Deals
From California to South Korea
Search Deals
One-way flight from California to South Korea
Search Deals
Highest demand for flights based on searches. 14% potential increase in price ($174 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease ($30 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in July 2026
Search Deals
Price to beat on a round-trip flight from California to South Korea.
Search Deals
Price to beat on a one-way flight from California to South Korea.
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from California to South Korea 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, Cheapflights users made 2,558,603 searches. Data last updated July 21, 2026.
Use the filters below to find and compare flights from California to South Korea that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

San FranciscoIncheon

SFO - ICN

SFOICN

San Francisco

Wed 9/16

11:59 pm-3:20 pm

1 stop23h 21m

Incheon Intl

Tue 9/22

5:15 pm-9:14 am

1 stop31h 59m

$701

San FranciscoIncheon

SFO - ICN

SFOICN

San Francisco

Sat 11/14

11:59 pm-4:25 pm

1 stop23h 26m

Incheon Intl

Fri 12/4

6:30 pm-11:51 pm

1 stop22h 21m

$701

Los AngelesIncheon

LAX - ICN

LAXICN

Los Angeles

Fri 8/28

11:30 pm-4:30 am

Nonstop13h 00m

Incheon Intl

Tue 9/8

1:00 pm-8:20 am

Nonstop11h 20m

$738

Los AngelesIncheon

LAX - ICN

LAXICN

Los Angeles

Wed 8/26

10:50 am-3:50 pm

Nonstop13h 00m

Incheon Intl

Wed 9/16

10:05 pm-5:20 pm

Nonstop11h 15m

$738

San FranciscoIncheon

SFO - ICN

SFOICN

San Francisco

Mon 1/11

11:55 pm-4:25 pm

1 stop23h 30m

Incheon Intl

Wed 1/27

6:30 pm-11:51 pm

1 stop22h 21m

$806

San FranciscoIncheon

SFO - ICN

SFOICN

San Francisco

Mon 8/24

12:25 pm-10:15 pm

1 stop17h 50m

Incheon Intl

Tue 9/1

11:30 am-6:30 am

Nonstop11h 00m

$819

San FranciscoIncheon

SFO - ICN

SFOICN

San Francisco

Mon 8/24

12:25 pm-10:15 pm

1 stop17h 50m

Incheon Intl

Sat 11/14

12:45 pm-6:30 am

Nonstop10h 45m

$819

Los AngelesIncheon

LAX - ICN

LAXICN

Los Angeles

Wed 9/30

12:30 pm-3:35 pm

2 stops35h 05m

Incheon Intl

Tue 11/10

7:25 am-9:05 am

2 stops42h 40m

$885

Los AngelesIncheon

LAX - ICN

LAXICN

Los Angeles

Wed 9/23

12:30 pm-2:50 pm

2 stops34h 20m

Incheon Intl

Sun 11/8

2:30 pm-9:05 am

1 stop35h 35m

$893
Quickest round-trip

San FranciscoIncheon

SFO - ICN

SFOICN

San Francisco

Fri 8/14

1:10 pm-5:20 pm

Nonstop12h 10m

Incheon Intl

Tue 9/1

4:00 pm-10:40 am

Nonstop10h 40m

$924

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/20

Showing 1-10 of 60 resultsSorted by cheapest first
1
2
3
...
6

Best time to book a flight from California to South Korea

Have a flexible travel schedule? Discover the best time to fly to South Korea from California with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from California to South Korea

What is the cheapest month to book a flight from California to South Korea?

Currently, August is the cheapest month in which you can book a flight from California to South Korea (average of $824). Flying from California to South Korea in June is currently the most expensive (average of $1,374). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

What is the cheapest time of day to fly from CA to KR?

Find hourly flight availability from California to South Korea. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated July 21, 2026.

When flying from California to South Korea, the time of day you fly usually plays a role in the price. Save by searching for a flight in the afternoon, which can drop the price by up to 32% versus a flight at noon.

Weekly flight availability from California to South Korea

Explore weekly flight availability from California to South Korea. Discover flights operating on different days of the week, giving you the flexibility to choose a travel day that best fits your plans. Compare info to find the most convenient option for your journey. Data last updated July 21, 2026.

The most flights from USCA to KR0 are scheduled on a Tuesday (19 on average). You will have fewer flight options on Wednesday, which is when the least amount of flights are scheduled (15 on average).

How far ahead should I book a flight from California to South Korea?

Booking 51 days in advance of your planned departure date is, on average, the best time to get cheap flights from California to South Korea. The general trend is that the closer you book to the departure date, the more expensive your flight will be.

What is the cheapest day to fly from California to South Korea?

Use this chart to determine the cheapest time to fly round-trip from California to South Korea. Price data was last updated on July 18, 2026.

Travelers seeking maximum savings on their California to South Korea flight should consider departing on Saturday afternoons when fares are most often at their lowest. Sunday at noon flights should be avoided if possible as fares are typically the most expensive at this time.

Related info for your journey

Find useful and relevant information for your journey from California to South Korea. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • How long is the flight from California to South Korea?

    Departing from California to South Korea will take you 13h. The distance from California to South Korea is about 5978 mi. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

  • What are the cheapest airlines to fly from California to South Korea one-way?

    $49 is the cheapest one-way deal found within the past few days, from Allegiant Air. You may also be able to find cheap deals on Frontier and American Airlines, with prices starting from $74 and $81, respectively.

  • Can I find deals for flights from California to South Korea that include hotel bookings?

    Yes. In addition to deals on California to South Korea flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from California to South Korea?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from California to South Korea.

  • Can I find deals for business class flights from California to South Korea?

    Yes. Cheapflights offers flight deals from California to South Korea by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from California to South Korea?

    Currently, August is the cheapest month in which you can book a flight from California to South Korea (average of $824). Flying from California to South Korea in June is currently the most expensive (average of $1,374). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for California to South Korea

See prices for flight routes from nearby airports that may be better suited for you.
Los Angeles to Haneda flights
Los Angeles to Narita flights
Newark to Haneda flights
John F Kennedy Intl to Haneda flights
Newark to Narita flights
San Francisco to Haneda flights
Seattle to Narita flights
Los Angeles to Manila flights
Seattle to Haneda flights
John F Kennedy Intl to Suvarnabhumi flights
Los Angeles to Suvarnabhumi flights
San Francisco to Manila flights
John F Kennedy Intl to Narita flights
San Francisco to Narita flights
Dallas/Fort Worth to Narita flights
LaGuardia to Haneda flights
Newark to New Delhi flights
O'Hare Intl to Narita flights
O'Hare Intl to Haneda flights
Newark to Suvarnabhumi flights
John F Kennedy Intl to Incheon Intl flights
Dallas/Fort Worth to Haneda flights
John F Kennedy Intl to New Delhi flights
Dulles Intl to Haneda flights
Honolulu to Haneda flights
San Francisco to Suvarnabhumi flights
Los Angeles to Ho Chi Minh City flights
Ontario to Narita flights
John F Kennedy Intl to Mumbai flights
John F Kennedy Intl to Hong Kong flights
Seattle to Suvarnabhumi flights
Dallas/Fort Worth to Suvarnabhumi flights
George Bush Intcntl to Haneda flights
San Francisco to New Delhi flights
San Francisco to Taiwan Taoyuan Intl flights
Los Angeles to Taiwan Taoyuan Intl flights
O'Hare Intl to Suvarnabhumi flights
San Francisco to Hong Kong flights
Honolulu to Narita flights
Boston to Narita flights
Atlanta to Haneda flights
Seattle to Taiwan Taoyuan Intl flights
Newark to Mumbai flights
San Francisco to Ho Chi Minh City flights

Top 10 airlines flying from California to South Korea

Discover the top 10 airlines that operate flights from California to South Korea. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated July 21, 2026.
AirlineCheapestAverageFlexibilityOn-time
Philippine AirlinesCheapest$144Average$661FlexibilityNo cancel feeOn-time60%
XiamenAirCheapest$346Average$703FlexibilityNo cancel feeOn-time49%
AIR PREMIACheapest$383Average$885FlexibilityNo cancel feeOn-timeN/A
China SouthernCheapest$578Average$622FlexibilityNo cancel feeOn-time69%
Air ChinaCheapest$592Average$664FlexibilityNo cancel feeOn-time67%
Air CanadaCheapest$628Average$1,184FlexibilityNo cancel feeOn-time67%
Japan AirlinesCheapest$630Average$989FlexibilityNo cancel feeOn-time79%
Cathay PacificCheapest$640Average$852FlexibilityNo cancel feeOn-time72%
Alaska AirlinesCheapest$642Average$782FlexibilityNo cancel feeOn-time75%
China EasternCheapest$649Average$757FlexibilityNo cancel feeOn-time62%

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.
Site
©2026 Cheapflights