Latest deals
Insights
FAQs
Price Alerts

Cheap flights from South Korea to Los Angeles from $406

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from South Korea to Los Angeles departing on 5/5. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
1 adult, Economy, 0 bags

Save money when you book flights with momondo

Big names and deals

Big names and deals

Search 100s of travel sites to compare prices.

Filter for what you want

Filter for what you want

Free Wi-Fi? Stopover? Instantly customize your results.

Trusted and free

Trusted and free

We’re completely free to use - no hidden charges or fees.

Price Alerts

Price Alerts

Not ready to book? to track prices.
Search flight deals

Find the cheapest flights from South Korea to Los Angeles

Recent round-trip flight deals from South Korea to Los Angeles

Enter your travel dates to find the best prices.
United Airlines Logo
11:30 am - 12:12 pm
ICN
-
ONT
16h 42m
1 stop
United Airlines Logo
6:00 am - 3:00 pm
ONT
-
ICN
17h 00m
1 stop
$494United Airlines
Thu, Jun 4 - Tue, Jul 14
United Airlines Logo
11:30 am - 5:52 pm
ICN
-
ONT
22h 22m
1 stop
United Airlines Logo
5:00 am - 4:20 am
ONT
-
ICN
31h 20m
2 stops
$495United Airlines
Wed, May 13 - Fri, Aug 7
United Airlines Logo
4:50 pm - 12:38 pm
ICN
-
ONT
35h 48m
2 stops
United Airlines Logo
7:13 pm - 4:20 am
ONT
-
ICN
17h 07m
1 stop
$496United Airlines
Fri, Aug 14 - Mon, Aug 24
United Airlines Logo
11:30 am - 9:41 am
ICN
-
ONT
14h 11m
1 stop
United Airlines Logo
5:00 am - 4:20 am
ONT
-
ICN
31h 20m
2 stops
$497United Airlines
Wed, May 13 - Fri, Aug 7
Alaska Airlines Logo
7:35 pm - 10:32 pm
ICN
-
ONT
18h 57m
1 stop
Alaska Airlines Logo
6:00 am - 5:30 pm
ONT
-
ICN
19h 30m
1 stop
$587Alaska Airlines
Sat, May 2 - Mon, May 4
Alaska Airlines Logo
7:35 pm - 10:32 pm
ICN
-
ONT
18h 57m
1 stop
Alaska Airlines Logo
6:00 am - 5:30 pm
ONT
-
ICN
19h 30m
1 stop
$591Alaska Airlines
Sat, May 2 - Mon, May 4
China Airlines Logo
10:30 am - 6:40 pm
PUS
-
ONT
24h 10m
1 stop
China Airlines Logo
12:10 am - 7:00 pm
ONT
-
PUS
26h 50m
1 stop
$735China Airlines
Wed, Sep 9 - Tue, Sep 15
China Airlines Logo
12:15 pm - 6:40 pm
PUS
-
ONT
22h 25m
1 stop
China Airlines Logo
12:45 am - 11:15 am
ONT
-
PUS
18h 30m
1 stop
$799China Airlines
Thu, Sep 10 - Sat, Sep 12
Multiple Airlines Logo
1:50 pm - 11:14 am
GMP
-
ONT
37h 24m
2 stops
Multiple Airlines Logo
9:13 pm - 7:15 pm
ONT
-
GMP
30h 02m
2 stops
$1,391Multiple Airlines
Sat, Jul 11 - Mon, Jul 27
Multiple Airlines Logo
1:50 pm - 11:14 am
GMP
-
ONT
37h 24m
2 stops
Multiple Airlines Logo
9:13 pm - 12:50 pm
ONT
-
GMP
23h 37m
2 stops
$1,398Multiple Airlines
Sat, Jul 11 - Thu, Jul 30

United Airlines flights from South Korea to Ontario

Our best United Airlines deals on South Korea to Ontario flight tickets
United Airlines
Jun 4
ICN11:30 amIncheon Intl
16h 42m
1 stop
ONT12:12 pmOntario
Jul 14
ONT6:00 amOntario
17h 00m
1 stop
ICN3:00 pmIncheon Intl
$494
United Airlines
May 13
ICN11:30 amIncheon Intl
22h 22m
1 stop
ONT5:52 pmOntario
Aug 7
ONT5:00 amOntario
31h 20m
2 stops
ICN4:20 amIncheon Intl
$495
United Airlines
Aug 14
ICN4:50 pmIncheon Intl
35h 48m
2 stops
ONT12:38 pmOntario
Aug 24
ONT7:13 pmOntario
17h 07m
1 stop
ICN4:20 amIncheon Intl
$496

China Airlines flights from South Korea to Ontario

Our best China Airlines deals on South Korea to Ontario flight tickets
China Airlines
Sep 9
PUS10:30 amBusan Gimhae
24h 10m
1 stop
ONT6:40 pmOntario
Sep 15
ONT12:10 amOntario
26h 50m
1 stop
PUS7:00 pmBusan Gimhae
$735
China Airlines
Sep 15
ICN12:35 pmIncheon Intl
22h 05m
1 stop
ONT6:40 pmOntario
Sep 19
ONT12:10 amOntario
19h 05m
1 stop
ICN11:15 amIncheon Intl
$738
China Airlines
Sep 10
PUS12:15 pmBusan Gimhae
22h 25m
1 stop
ONT6:40 pmOntario
Sep 12
ONT12:45 amOntario
18h 30m
1 stop
PUS11:15 amBusan Gimhae
$799

momondo Fare Finder

 
Customize your flight search to find flights from South Korea to Ontario 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, momondo users made 832,500 searches. Data last updated March 31, 2026.
Use the filters below to find and compare flights from South Korea to Ontario that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip
Quickest round-trip

IncheonOntario

ICN - ONT

ICNONT

Incheon Intl

Thu 6/4

11:30 am-12:12 pm

1 stop16h 42m

Ontario

Tue 7/14

6:00 am-3:00 pm

1 stop17h 00m

$494

IncheonOntario

ICN - ONT

ICNONT

Incheon Intl

Wed 5/13

11:30 am-5:52 pm

1 stop22h 22m

Ontario

Fri 8/7

5:00 am-4:20 am

2 stops31h 20m

$495

IncheonOntario

ICN - ONT

ICNONT

Incheon Intl

Fri 8/14

4:50 pm-12:38 pm

2 stops35h 48m

Ontario

Mon 8/24

7:13 pm-4:20 am

1 stop17h 07m

$496

IncheonOntario

ICN - ONT

ICNONT

Incheon Intl

Wed 5/13

11:30 am-9:41 am

1 stop14h 11m

Ontario

Fri 8/7

5:00 am-4:20 am

2 stops31h 20m

$497

IncheonOntario

ICN - ONT

ICNONT

Incheon Intl

Sat 5/2

7:35 pm-10:32 pm

1 stop18h 57m

Ontario

Mon 5/4

6:00 am-5:30 pm

1 stop19h 30m

$587

IncheonOntario

ICN - ONT

ICNONT

Incheon Intl

Sat 5/2

7:35 pm-10:32 pm

1 stop18h 57m

Ontario

Mon 5/4

6:00 am-5:30 pm

1 stop19h 30m

$591

BusanOntario

PUS - ONT

PUSONT

Busan Gimhae

Wed 9/9

10:30 am-6:40 pm

1 stop24h 10m

Ontario

Tue 9/15

12:10 am-7:00 pm

1 stop26h 50m

$735

BusanOntario

PUS - ONT

PUSONT

Busan Gimhae

Thu 9/10

12:15 pm-6:40 pm

1 stop22h 25m

Ontario

Sat 9/12

12:45 am-11:15 am

1 stop18h 30m

$799

SeoulOntario

GMP - ONT

GMPONT

Seoul Gimpo Intl

Sat 7/11

1:50 pm-11:14 am

2 stops37h 24m

Ontario

Mon 7/27

9:13 pm-7:15 pm

2 stops30h 02m

$1,391

SeoulOntario

GMP - ONT

GMPONT

Seoul Gimpo Intl

Sat 7/11

1:50 pm-11:14 am

2 stops37h 24m

Ontario

Thu 7/30

9:13 pm-12:50 pm

2 stops23h 37m

$1,398

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
1
2

See travel insights to Los Angeles from

How to get the cheapest flight ticket from South Korea to Ontario

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

What is the cheapest airline that flies from South Korea to Ontario?

United Airlines, Asiana Airlines, and China Airlines are the most popular carriers operating from South Korea to Ontario

What airlines fly to Ontario?

AIR PREMIA, Asiana Airlines and United Airlines are the top three most popular airlines that fly to Ontario from South Korea according to our data. AIR PREMIA is the first choice among our users, with 53% of people opting to fly with this airline when traveling to Ontario. Keep in mind that there are 8 different airlines that fly to Ontario on a routine basis, so you have a few additional options to choose from.

Cheap South Korea to Ontario flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from South Korea to Ontario

Fastest flight time

14h 11m

Direct flights

None
The fastest flight from South Korea to Ontario takes 14h 11m
There are no direct flights from South Korea to Ontario. There are no popular flight routes from South Korea to Ontario.
Search flight deals

  • When did momondo last update prices for flights from South Korea to Ontario Airport?

    Prices for flights from South Korea to Ontario Airport refresh daily.

  • How old do you have to be to fly from South Korea to Ontario Airport?

    Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from South Korea to Ontario Airport.

  • What documentation or ID do you need to fly to Ontario Airport?

    The travel and health documents required for your trip to Ontario Airport can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Ontario Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

Why use momondo?

Why should I use momondo to find a flight deal from South Korea to Ontario?

It is quick and easy to find South Korea to Ontario flights on momondo. We search and return numerous flight options from various airlines and agents. You can then use our filters to narrow your search until you have found the most convenient flight to Ontario that suits you.

Can I find flights from South Korea to Ontario with flexible booking policies on momondo?

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

How can momondo help me find flights from South Korea to Ontario?

Once you have performed a search in the form on the page, momondo provides useful filters and insights. We can show you the cheapest days and times to fly as well as help filter your options to help you make an informed choice when booking flights to Ontario from South Korea.

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

If you are not ready to book a flight from South Korea to Ontario now, use our insights above to find helpful tips or alternatively set up a price alert, where momondo will track prices on flights to Ontario and let you know when they change.

An easier way to manage your Ontario 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.
Start using Trips
Find my bookings

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.
1 adult
Thu 4/30
Thu 5/7
By creating a price alert you accept our terms of use and privacy policy.

Find better results for your trip to the United States