What is the cheapest airline that flies from California to Seoul?

Alaska Airlines, United Airlines, and AIR PREMIA are the most popular carriers operating from California to Seoul

How many flights depart from California to Seoul on average per week?

As of June 2026, there are 238 flights per week flying from California to Seoul. The most common day of the week flights depart is Mon, with 15% of flights taking off on this day.

How long does it take to fly to Seoul?

If you’re flying from a popular airport in California, such as San Francisco or Los Angeles, and flying into Seoul, then you can expect flight times to average 12h 10m and 13h, respectively.

How many flights depart from California to Seoul on average per day?

34 flights are operational daily from California to Seoul as of June 2026. The most popular departure time for this route is 11:00PM, with 56% of flights per day taking off in the evening.

What airlines fly to Seoul?

AIR PREMIA, Asiana Airlines and United Airlines are the top three most popular airlines that fly to Seoul from California according to our data. AIR PREMIA is the first choice among our users, with 63% of people opting to fly with this airline when traveling to Seoul. Keep in mind that there are 17 different airlines that fly to Seoul on a routine basis, so you have a few additional options to choose from.

When did momondo last update prices for flights from California to Seoul?

Prices for flights from California to Seoul were last updated today.

How many operators does momondo search for flights from California to Seoul?

As of June 2026, there are 18 operators available to choose from for flights from California to Seoul.

How old do you have to be to fly from California to Seoul?

The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from California to Seoul.

What documentation or ID do you need to fly to Seoul?

The required travel and health documents for your Seoul 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 Seoul. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

$357 Cheap Flights from California to Seoul in 2026

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Find the cheapest flights from California to Seoul

Round-trip

One-way

Last minute

Direct

Cheap round-trip flights

Enter your travel dates to find the best prices.

5:00 pm - 9:40 pm

SFO

ICN

12h 40mnonstop

7:15 pm - 2:15 pm

ICN

SFO

11h 00mnonstop

$777AIR PREMIA

Wed, Aug 12 - Mon, Aug 24

10:40 am - 3:00 pm

SFO

ICN

12h 20mnonstop

5:15 pm - 9:15 pm

ICN

SFO

44h 00m

1 stop

$778United Airlines

Wed, Sep 2 - Sun, Sep 13

11:55 pm - 4:20 am

SFO

ICN

12h 25mnonstop

4:50 pm - 12:00 pm

ICN

SFO

11h 10mnonstop

$781Asiana Airlines

Tue, Jul 28 - Fri, Aug 28

7:21 am - 4:40 pm

SJC

ICN

17h 19m

1 stop

4:40 pm - 4:57 pm

ICN

SJC

16h 17m

1 stop

$854Korean Air

Thu, Oct 1 - Sat, Oct 17

12:30 pm - 3:20 pm

LAX

ICN

34h 50m

1 stop

8:55 am - 10:05 am

ICN

LAX

17h 10m

1 stop

$869China Eastern

Fri, Aug 28 - Sun, Sep 13

11:30 am - 11:00 am

LAX

ICN

30h 30m

2 stops

4:10 pm - 9:05 am

ICN

LAX

33h 55m

1 stop

$870China Eastern

Thu, Nov 5 - Mon, Nov 9

4:55 pm - 6:45 pm

LAX

ICN

33h 50m

2 stops

5:45 pm - 1:37 pm

ICN

LAX

35h 52m

1 stop

$875Multiple Airlines

Thu, Aug 13 - Mon, Aug 31

7:15 am - 4:50 pm

SJC

ICN

17h 35m

1 stop

6:35 pm - 11:54 pm

ICN

SJC

21h 19m

1 stop

$892Korean Air

Thu, Oct 22 - Sat, Oct 31

9:28 am - 4:30 am

LAS

ICN

27h 02m

1 stop

1:00 pm - 4:39 pm

ICN

LAS

19h 39m

1 stop

$906Multiple Airlines

Wed, Sep 9 - Tue, Oct 13

7:25 am - 4:15 pm

BUR

ICN

15h 50m

1 stop

6:00 pm - 3:56 pm

ICN

BUR

14h 56m

1 stop

$1,188Asiana Airlines

Mon, Nov 2 - Wed, Nov 11

China Eastern flights from California to Seoul

Our best China Eastern deals on California to Seoul flight tickets

China Eastern

Nov 26

SFO12:00 pmSan Francisco

30h 00m

2 stops

ICN11:00 amIncheon Intl

Dec 11

ICN4:10 pmIncheon Intl

33h 50m

1 stop

SFO9:00 amSan Francisco

$777

China Eastern

Nov 26

SFO12:00 pmSan Francisco

30h 00m

2 stops

ICN11:00 amIncheon Intl

Dec 10

ICN1:15 pmIncheon Intl

60h 45m

2 stops

SFO9:00 amSan Francisco

$785

China Eastern

Nov 9

SFO12:00 pmSan Francisco

31h 15m

2 stops

ICN12:15 pmIncheon Intl

Nov 20

ICN4:10 pmIncheon Intl

33h 50m

1 stop

SFO9:00 amSan Francisco

$815

Korean Air flights from California to Seoul

Our best Korean Air deals on California to Seoul flight tickets

Korean Air

Sep 30

SFO12:50 pmSan Francisco

12h 30m

ICN5:20 pmIncheon Intl

Oct 7

ICN7:00 pmIncheon Intl

30h 51m

1 stop

SFO9:51 amSan Francisco

$853

Korean Air

Oct 1

SJC7:21 amSan Jose

17h 19m

1 stop

ICN4:40 pmIncheon Intl

Oct 17

ICN4:40 pmIncheon Intl

16h 17m

1 stop

SJC4:57 pmSan Jose

$854

Korean Air

Oct 22

SJC7:15 amSan Jose

17h 35m

1 stop

ICN4:50 pmIncheon Intl

Oct 31

ICN6:35 pmIncheon Intl

21h 19m

1 stop

SJC11:54 pmSan Jose

$892

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

San FranciscoIncheon

SFO - ICN

SFOICN

San Francisco

Wed 8/12

5:00 pm-9:40 pm

Nonstop12h 40m

Incheon Intl

Mon 8/24

7:15 pm-2:15 pm

Nonstop11h 00m

$777

San FranciscoIncheon

SFO - ICN

SFOICN

San Francisco

Wed 9/2

10:40 am-3:00 pm

Nonstop12h 20m

Incheon Intl

Sun 9/13

5:15 pm-9:15 pm

1 stop44h 00m

$778

Quickest round-trip

San FranciscoIncheon

SFO - ICN

SFOICN

San Francisco

Tue 7/28

11:55 pm-4:20 am

Nonstop12h 25m

Incheon Intl

Fri 8/28

4:50 pm-12:00 pm

Nonstop11h 10m

$781

San JoseIncheon

SJC - ICN

SJCICN

San Jose

Thu 10/1

7:21 am-4:40 pm

1 stop17h 19m

Incheon Intl

Sat 10/17

4:40 pm-4:57 pm

1 stop16h 17m

$854

Los AngelesIncheon

LAX - ICN

LAXICN

Los Angeles

Fri 8/28

12:30 pm-3:20 pm

1 stop34h 50m

Incheon Intl

Sun 9/13

8:55 am-10:05 am

1 stop17h 10m

$869

Los AngelesIncheon

LAX - ICN

LAXICN

Los Angeles

Thu 11/5

11:30 am-11:00 am

2 stops30h 30m

Incheon Intl

Mon 11/9

4:10 pm-9:05 am

1 stop33h 55m

$870

Los AngelesIncheon

LAX - ICN

LAXICN

Los Angeles

Thu 8/13

4:55 pm-6:45 pm

2 stops33h 50m

Incheon Intl

Mon 8/31

5:45 pm-1:37 pm

1 stop35h 52m

$875

San JoseIncheon

SJC - ICN

SJCICN

San Jose

Thu 10/22

7:15 am-4:50 pm

1 stop17h 35m

Incheon Intl

Sat 10/31

6:35 pm-11:54 pm

1 stop21h 19m

$892

Las VegasIncheon

LAS - ICN

LASICN

Las Vegas Harry Reid Intl

Wed 9/9

9:28 am-4:30 am

1 stop27h 02m

Incheon Intl

Tue 10/13

1:00 pm-4:39 pm

1 stop19h 39m

$906

BurbankIncheon

BUR - ICN

BURICN

Burbank Bob Hope

Mon 11/2

7:25 am-4:15 pm

1 stop15h 50m

Incheon Intl

Wed 11/11

6:00 pm-3:56 pm

1 stop14h 56m

$1,188

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first

How to get the cheapest flight ticket from California to Seoul

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

Prices

Airlines

Other information

What is the cheapest month to fly to Seoul?

The month of October is another great option to travel to Seoul, with average flight prices from California averaging around $810.

What is the cheapest day to depart on your flight to Seoul?

According to our data, Sunday is the cheapest day to fly to Seoul from California. The lowest ticket price found for a Sunday departure recently was $733. Keep in mind that prices can always vary depending on your route and whether or not you are flying domestic or international. The most expensive day to fly to Seoul is Friday, with ticket prices averaging around $913.

What is the cheapest time of day to depart on your flight to Seoul?

Flying to Seoul from California in the evening is the least expensive time of day to depart. momondo users have found prices as low as $768 when looking at flights departing in the evening. At noon is when there is more demand to fly to Seoul, so prices are often more expensive at around $1,014 per ticket.

What is the cheapest California to Seoul flight route?

Fly from Los Angeles to Incheon Intl for the best California - Seoul flight prices

How far in advance should I book a flight from California to Seoul?

You are more likely to see cheaper flights to Seoul from California when booking weeks ahead of your departure date. In general, you can expect to find flights to Seoul for around $1,015 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Seoul from California for as low as $913 on momondo.

What cabin class options are available on California to Seoul flights?

There are 4 cabin classes available to choose from on California to Seoul flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

Can stopping save me money on California to Seoul flights?

No. A direct flight is the cheapest option for a flight between California to Seoul.

Cheap California to Seoul flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from California to Seoul

Best Price Found	$542
Fastest flight time	12h 10m
Direct flights	Every day
Airports in Seoul	2 airports

The best one-way flight to Seoul from California in the past 72 hours is $542. The best round-trip flight deal from California to Seoul found on momondo in the last 72 hours is $803.

The fastest flight from California to Seoul takes 12h 10m

Direct flights go from California to Seoul every day.

There are 2 airports in Seoul. From California there are direct flights to Incheon Intl (ICN).

Search flight deals

Frequently asked questions about flying from California to Seoul

When did momondo last update prices for flights from California to Seoul?
Prices for flights from California to Seoul were last updated today.
How many operators does momondo search for flights from California to Seoul?
As of June 2026, there are 18 operators available to choose from for flights from California to Seoul.
How old do you have to be to fly from California to Seoul?
The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from California to Seoul.
What documentation or ID do you need to fly to Seoul?
The required travel and health documents for your Seoul 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 Seoul. We recommend that you seek guidance from your airline or a reliable third party such as IATA.
What is the most popular plane model from California to Seoul?
Based on momondo bookings for this flight route, the most popular plane model on flight routes from California to Seoul is Boeing 787-9 Dreamliner (31.12% of total bookings). The next most popular plane models are Boeing 747-8 (14.06%), Airbus A350-900 (13.05%), and Boeing 787-10 Dreamliner (12.32%).

Best airlines flying from California to Seoul

Compare and see reviews for airlines that fly from California to Seoul with momondo

Airline	Rating	Free Cancellation	Price
Philippine Airlines	PriceFrom $144	Free Cancellation	Rating 7.3 999 reviews	Search Philippine Airlines flights
XiamenAir	PriceFrom $346	Free Cancellation	Rating 6.6 46 reviews	Search XiamenAir flights
AIR PREMIA	PriceFrom $379	Free Cancellation	Rating 8.1 96 reviews	Search AIR PREMIA flights
China Southern	PriceFrom $578	Free Cancellation	Rating 7.5 153 reviews	Search China Southern flights
Air China	PriceFrom $592	Free Cancellation	Rating 7.3 154 reviews	Search Air China flights
Japan Airlines	PriceFrom $630	Free Cancellation	Rating 8.3 1,836 reviews	Search Japan Airlines flights
Cathay Pacific	PriceFrom $640	Free Cancellation	Rating 7.6 1,365 reviews	Search Cathay Pacific flights
Alaska Airlines	PriceFrom $642	Free Cancellation	Rating 7.9 12,482 reviews	Search Alaska Airlines flights
Air Canada	PriceFrom $646	Free Cancellation	Rating 7.1 11,147 reviews	Search Air Canada flights
Singapore Airlines	PriceFrom $651	Free Cancellation	Rating 8.2 1,536 reviews	Search Singapore Airlines flights

Why use momondo?

Why should I use momondo to find a flight deal from California to Seoul?

Finding the right flight to Seoul from California is quick and easy when you have a range of options in front of you, from reputable agents and recognisable airlines. Options that can then be filtered down to find the best fit. That is what momondo does. We make finding flights to Seoul quick and easy, saving you time and money.

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

Yes. All flights to Seoul from California on momondo can be compared and filtered by various policies on offer, including flexible booking.

How can momondo help me find flights from California to Seoul?

Once you have performed a search for California to Seoul flights, momondo helps you find the right one by offering useful filters to narrow down your flight selection. Flights can be filtered by multiple factors such as airline, airport and price; but also by other criteria like aircraft type and payment method.

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

Yes momondo offers price alerts on flights to Seoul from California. After performing a search on this page you should be able to see the price alert set up feature. Simply provide a valid email address and momondo will instantly alert you when prices change.

An easier way to manage your Seoul trip

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Fly into one of these airports located in Seoul

Seoul Gimpo Intl Airport

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Cheap flights from California to Seoul from $357

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from California to Seoul departing on 8/20. 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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Cheap round-trip flights

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China Eastern flights from California to Seoul

Our best China Eastern deals on California to Seoul flight tickets

Korean Air flights from California to Seoul

Our best Korean Air deals on California to Seoul flight tickets

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Use the filters below to find and compare flights from California to Seoul that are best for you.

See travel insights to Seoul from

How to get the cheapest flight ticket from California to Seoul

What is the cheapest month to fly to Seoul?

What is the cheapest day to depart on your flight to Seoul?

What is the cheapest time of day to depart on your flight to Seoul?

What is the cheapest California to Seoul flight route?

How far in advance should I book a flight from California to Seoul?

What cabin class options are available on California to Seoul flights?

Can stopping save me money on California to Seoul flights?

What is the cheapest airline that flies from California to Seoul?

What airlines fly to Seoul?

How many flights depart from California to Seoul on average per day?

How many flights depart from California to Seoul on average per week?

How long does it take to fly to Seoul?

Cheap California to Seoul flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from California to Seoul

Best Price Found

Fastest flight time

Direct flights

Airports in Seoul

Frequently asked questions about flying from California to Seoul

Best airlines flying from California to Seoul

Compare and see reviews for airlines that fly from California to Seoul with momondo

Why use momondo?

An easier way to manage your Seoul trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.

Find better results for your trip to South Korea

Fly into one of these airports located in Seoul

Airports listed have a maximum distance of 30.3 mi from Seoul

Fly your favorite airline to Seoul

Airlines are sorted and displayed according to clicks in the past 7 days on momondo

Cabin classes currently available on flights to Seoul

List of cabin classes available on flights landing in Seoul. Availability may vary depending on flight origin and airline.

Popular cities in South Korea

Popular flights according to clicks in the last 7 days on momondo

Fly to other destinations from California

According to popular flight searches on momondo this year

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