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Cheap flights from South Korea to Los Angeles from $374

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 11/16. 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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0 bags

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Find the cheapest flights from South Korea to Los Angeles

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

United Airlines Logo
11:30 am - 12:13 pmICN-ONT
16h 43m1 stop
United Airlines Logo
6:50 pm - 4:20 amONT-ICN
17h 30m1 stop
$509United Airlines
Find Deal
jue., sep. 4 - mié., sep. 17
United Airlines Logo
11:30 am - 12:13 pmICN-ONT
16h 43m1 stop
United Airlines Logo
6:50 pm - 4:20 amONT-ICN
17h 30m1 stop
$510United Airlines
Find Deal
jue., sep. 4 - mié., sep. 17
United Airlines Logo
4:50 pm - 5:37 pmICN-ONT
16h 47m1 stop
United Airlines Logo
6:36 pm - 4:20 amONT-ICN
17h 44m1 stop
$523United Airlines
Find Deal
mar., sep. 9 - lun., oct. 20
Hawaiian Airlines Logo
8:35 pm - 8:53 pmICN-ONT
17h 18m1 stop
Hawaiian Airlines Logo
6:00 am - 6:35 pmONT-ICN
19h 35m1 stop
$585Hawaiian Airlines
Find Deal
vie., nov. 14 - dom., nov. 16
Alaska Airlines Logo
8:35 pm - 12:03 amICN-ONT
19h 28m1 stop
Alaska Airlines Logo
6:00 am - 6:35 pmONT-ICN
20h 35m1 stop
$595Alaska Airlines
Find Deal
dom., oct. 12 - jue., abr. 9
Delta Logo
7:40 pm - 11:42 pmICN-ONT
20h 02m1 stop
Delta Logo
1:15 pm - 3:20 pmONT-ICN
34h 05m1 stop
$596Delta
Find Deal
mar., sep. 23 - mar., sep. 30
Delta Logo
7:20 pm - 11:39 pmICN-ONT
20h 19m2 stops
Delta Logo
5:05 pm - 4:30 pmONT-ICN
31h 25m2 stops
$601Delta
Find Deal
lun., oct. 13 - mié., abr. 8
Alaska Airlines Logo
8:35 pm - 11:05 amICN-ONT
31h 30m1 stop
Alaska Airlines Logo
6:00 am - 6:35 pmONT-ICN
19h 35m1 stop
$603Alaska Airlines
Find Deal
sáb., nov. 15 - sáb., nov. 22
Hawaiian Airlines Logo
8:35 pm - 10:44 amICN-ONT
30h 09m1 stop
Hawaiian Airlines Logo
3:06 pm - 6:35 pmONT-ICN
35h 29m1 stop
$651Hawaiian Airlines
Find Deal
sáb., sep. 13 - vie., sep. 19
American Airlines Logo
5:25 pm - 11:56 amICN-ONT
34h 31m2 stops
American Airlines Logo
2:54 pm - 3:30 pmONT-ICN
32h 36m1 stop
$652American Airlines
Find Deal
jue., sep. 18 - vie., sep. 19

Hawaiian Airlines flights from South Korea to Ontario

Our best Hawaiian Airlines deals on South Korea to Ontario flight tickets
Hawaiian Airlines
Nov 14
ICN8:35 pmIncheon Intl
17h 18m
1 stop
ONT8:53 pmOntario
Nov 16
ONT6:00 amOntario
19h 35m
1 stop
ICN6:35 pmIncheon Intl
$585
Find similar
Hawaiian Airlines
Sep 13
ICN8:35 pmIncheon Intl
30h 09m
1 stop
ONT10:44 amOntario
Sep 19
ONT3:06 pmOntario
35h 29m
1 stop
ICN6:35 pmIncheon Intl
$651
Find similar
Hawaiian Airlines
Oct 5
ICN8:35 pmIncheon Intl
19h 28m
1 stop
ONT12:03 amOntario
Oct 12
ONT6:00 amOntario
20h 35m
1 stop
ICN6:35 pmIncheon Intl
$757
Find similar

Alaska Airlines flights from South Korea to Ontario

Our best Alaska Airlines deals on South Korea to Ontario flight tickets
Alaska Airlines
Oct 12
ICN8:35 pmIncheon Intl
19h 28m
1 stop
ONT12:03 amOntario
Apr 9
ONT6:00 amOntario
20h 35m
1 stop
ICN6:35 pmIncheon Intl
$595
Find similar
Alaska Airlines
Nov 15
ICN8:35 pmIncheon Intl
31h 30m
1 stop
ONT11:05 amOntario
Nov 22
ONT6:00 amOntario
19h 35m
1 stop
ICN6:35 pmIncheon Intl
$603
Find similar
Alaska Airlines
Sep 21
ICN8:35 pmIncheon Intl
30h 09m
1 stop
ONT10:44 amOntario
Sep 28
ONT10:09 amOntario
16h 51m
1 stop
ICN7:00 pmIncheon Intl
$608
Find similar

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 agosto 18, 2025.
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

IncheonOntario

ICN - ONT

ICNONT

Incheon Intl

jue. 9/4

11:30 am-12:13 pm

1 stop16h 43m

Ontario

mié. 9/17

6:50 pm-4:20 am

1 stop17h 30m

$509

IncheonOntario

ICN - ONT

ICNONT

Incheon Intl

jue. 9/4

11:30 am-12:13 pm

1 stop16h 43m

Ontario

mié. 9/17

6:50 pm-4:20 am

1 stop17h 30m

$510

IncheonOntario

ICN - ONT

ICNONT

Incheon Intl

mar. 9/9

4:50 pm-5:37 pm

1 stop16h 47m

Ontario

lun. 10/20

6:36 pm-4:20 am

1 stop17h 44m

$523

IncheonOntario

ICN - ONT

ICNONT

Incheon Intl

vie. 11/14

8:35 pm-8:53 pm

1 stop17h 18m

Ontario

dom. 11/16

6:00 am-6:35 pm

1 stop19h 35m

$585

IncheonOntario

ICN - ONT

ICNONT

Incheon Intl

dom. 10/12

8:35 pm-12:03 am

1 stop19h 28m

Ontario

jue. 4/9

6:00 am-6:35 pm

1 stop20h 35m

$595

IncheonOntario

ICN - ONT

ICNONT

Incheon Intl

mar. 9/23

7:40 pm-11:42 pm

1 stop20h 02m

Ontario

mar. 9/30

1:15 pm-3:20 pm

1 stop34h 05m

$596

IncheonOntario

ICN - ONT

ICNONT

Incheon Intl

lun. 10/13

7:20 pm-11:39 pm

2 stops20h 19m

Ontario

mié. 4/8

5:05 pm-4:30 pm

2 stops31h 25m

$601

IncheonOntario

ICN - ONT

ICNONT

Incheon Intl

sáb. 11/15

8:35 pm-11:05 am

1 stop31h 30m

Ontario

sáb. 11/22

6:00 am-6:35 pm

1 stop19h 35m

$603

IncheonOntario

ICN - ONT

ICNONT

Incheon Intl

sáb. 9/13

8:35 pm-10:44 am

1 stop30h 09m

Ontario

vie. 9/19

3:06 pm-6:35 pm

1 stop35h 29m

$651

IncheonOntario

ICN - ONT

ICNONT

Incheon Intl

jue. 9/18

5:25 pm-11:56 am

2 stops34h 31m

Ontario

vie. 9/19

2:54 pm-3:30 pm

1 stop32h 36m

$652

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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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, China Airlines, and Hawaiian Airlines are the most popular carriers operating from South Korea to Ontario

What airlines fly to Ontario?

AIR PREMIA, Asiana Airlines and Korean Air 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 43% of people opting to fly with this airline when traveling to Ontario. Keep in mind that there are 7 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

Best Price Found

$374

Fastest flight time

15h 27m

Direct flights

None

Airports in Ontario

1 airport
The best one-way flight to Ontario from South Korea in the past 72 hours is $374. The best round-trip flight deal from South Korea to Ontario found on momondo in the last 72 hours is $509.
The fastest flight from South Korea to Ontario takes 15h 27m
There are no direct flights from South Korea to Ontario. Popular non-direct routes for this connection are Busan Gimhae Airport - Ontario Airport and Incheon Intl Airport - Ontario Airport.
There is 1 airport near Ontario: Ontario (ONT)
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 many operators does momondo search for flights from South Korea to Ontario Airport?

  • 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.

Best airlines flying from South Korea to Ontario

Compare and see reviews for airlines that fly from South Korea to Ontario with momondo
Airline
Rating
Free Cancellation
Price
United AirlinesPriceFrom $550Free CancellationRating
7.4
8,925 reviews
Search United Airlines flights

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.

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