How long does it take to fly to Ontario?

Average flight duration from South Korea to Ontario depends on which airport you fly into and out of. Flying from Incheon to Los Angeles is 11h on average, while flying from Seoul to Los Angeles is 14h on average. Los Angeles is the most popular airport in Ontario.

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.

$545 Cheap Flights from South Korea to Ontario in 2026

Find the cheapest flights from South Korea to Los Angeles

Round-trip

One-way

Last minute

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

Enter your travel dates to find the best prices.

4:50 pm - 10:37 pm

ICN

ONT

21h 47m

1 stop

5:00 am - 4:20 am

ONT

ICN

31h 20m

2 stops

$870United Airlines

Thu, Jul 9 - Thu, Jul 16

11:45 am - 12:20 pm

ICN

ONT

16h 35m

1 stop

6:00 am - 4:15 pm

ONT

ICN

17h 15m

1 stop

$872United Airlines

Mon, Oct 26 - Fri, Nov 6

11:30 am - 8:01 pm

ICN

ONT

24h 31m

1 stop

5:00 am - 4:20 am

ONT

ICN

31h 20m

2 stops

$876United Airlines

Mon, Sep 21 - Mon, Oct 19

12:45 pm - 12:20 pm

ICN

ONT

16h 35m

1 stop

6:00 am - 4:15 pm

ONT

ICN

17h 15m

1 stop

$883United Airlines

Fri, Nov 20 - Sat, Nov 28

4:50 pm - 10:37 pm

ICN

ONT

21h 47m

1 stop

6:39 pm - 4:20 am

ONT

ICN

17h 41m

1 stop

$944Asiana Airlines

Tue, Jun 30 - Wed, Jul 8

11:30 am - 10:03 am

ICN

ONT

14h 33m

1 stop

6:00 am - 4:15 pm

ONT

ICN

17h 15m

1 stop

$953Asiana Airlines

Wed, Oct 21 - Mon, Dec 7

11:50 am - 4:50 pm

PUS

ONT

22h 00m

1 stop

10:50 pm - 6:50 pm

ONT

PUS

27h 00m

1 stop

$1,192China Airlines

Thu, Nov 5 - Thu, Nov 12

10:30 am - 6:00 pm

PUS

ONT

23h 30m

1 stop

11:50 pm - 6:50 pm

ONT

PUS

27h 00m

1 stop

$1,223China Airlines

Wed, Oct 21 - Sun, Oct 25

8:10 am - 6:40 pm

GMP

ONT

26h 30m

2 stops

12:45 am - 6:15 pm

ONT

GMP

25h 30m

2 stops

$1,814Multiple Airlines

Fri, Jul 24 - Thu, Jul 30

8:00 am - 8:09 pm

GMP

ONT

28h 09m

2 stops

11:59 pm - 9:15 pm

ONT

GMP

29h 16m

2 stops

$2,315Multiple Airlines

Mon, Sep 21 - Mon, Oct 19

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China Airlines flights from South Korea to Ontario

Our best China Airlines deals on South Korea to Ontario flight tickets

China Airlines

Nov 25

ICN12:30 pmIncheon Intl

21h 20m

1 stop

ONT4:50 pmOntario

Feb 17

ONT10:50 pmOntario

27h 25m

1 stop

ICN7:15 pmIncheon Intl

$1,146

China Airlines

Jun 19

ICN1:20 pmIncheon Intl

20h 40m

1 stop

ONT6:00 pmOntario

Jun 25

ONT12:10 amOntario

26h 55m

1 stop

ICN7:05 pmIncheon Intl

$1,184

China Airlines

Nov 5

PUS11:50 amBusan Gimhae

22h 00m

1 stop

ONT4:50 pmOntario

Nov 12

ONT10:50 pmOntario

27h 00m

1 stop

PUS6:50 pmBusan Gimhae

$1,192

Delta flights from South Korea to Ontario

Our best Delta deals on South Korea to Ontario flight tickets

Delta

Oct 19

ICN7:00 pmIncheon Intl

14h 17m

1 stop

ONT5:17 pmOntario

Nov 25

ONT7:00 amOntario

17h 55m

1 stop

ICN5:55 pmIncheon Intl

$1,203

Delta

Oct 1

ICN7:00 pmIncheon Intl

14h 20m

1 stop

ONT5:20 pmOntario

Oct 9

ONT6:00 amOntario

17h 20m

1 stop

ICN3:20 pmIncheon Intl

$1,231

Delta

Oct 26

ICN6:45 pmIncheon Intl

33h 45m

2 stops

ONT12:30 pmOntario

Nov 6

ONT6:00 amOntario

18h 55m

2 stops

ICN5:55 pmIncheon Intl

$1,232

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

IncheonOntario

ICN - ONT

ICNONT

Incheon Intl

Thu 7/9

4:50 pm-10:37 pm

1 stop21h 47m

Ontario

Thu 7/16

5:00 am-4:20 am

2 stops31h 20m

$870

IncheonOntario

ICN - ONT

ICNONT

Incheon Intl

Mon 10/26

11:45 am-12:20 pm

1 stop16h 35m

Ontario

Fri 11/6

6:00 am-4:15 pm

1 stop17h 15m

$872

IncheonOntario

ICN - ONT

ICNONT

Incheon Intl

Mon 9/21

11:30 am-8:01 pm

1 stop24h 31m

Ontario

Mon 10/19

5:00 am-4:20 am

2 stops31h 20m

$876

IncheonOntario

ICN - ONT

ICNONT

Incheon Intl

Fri 11/20

12:45 pm-12:20 pm

1 stop16h 35m

Ontario

Sat 11/28

6:00 am-4:15 pm

1 stop17h 15m

$883

IncheonOntario

ICN - ONT

ICNONT

Incheon Intl

Tue 6/30

4:50 pm-10:37 pm

1 stop21h 47m

Ontario

Wed 7/8

6:39 pm-4:20 am

1 stop17h 41m

$944

Quickest round-trip

IncheonOntario

ICN - ONT

ICNONT

Incheon Intl

Wed 10/21

11:30 am-10:03 am

1 stop14h 33m

Ontario

Mon 12/7

6:00 am-4:15 pm

1 stop17h 15m

$953

BusanOntario

PUS - ONT

PUSONT

Busan Gimhae

Thu 11/5

11:50 am-4:50 pm

1 stop22h 00m

Ontario

Thu 11/12

10:50 pm-6:50 pm

1 stop27h 00m

$1,192

BusanOntario

PUS - ONT

PUSONT

Busan Gimhae

Wed 10/21

10:30 am-6:00 pm

1 stop23h 30m

Ontario

Sun 10/25

11:50 pm-6:50 pm

1 stop27h 00m

$1,223

SeoulOntario

GMP - ONT

GMPONT

Seoul Gimpo Intl

Fri 7/24

8:10 am-6:40 pm

2 stops26h 30m

Ontario

Thu 7/30

12:45 am-6:15 pm

2 stops25h 30m

$1,814

SeoulOntario

GMP - ONT

GMPONT

Seoul Gimpo Intl

Mon 9/21

8:00 am-8:09 pm

2 stops28h 09m

Ontario

Mon 10/19

11:59 pm-9:15 pm

2 stops29h 16m

$2,315

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 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

Airlines

Other information

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

United Airlines, China Airlines, and Alaska 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 59% 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

Fastest flight time	14h 21m
Direct flights	None

The fastest flight from South Korea to Ontario takes 14h 21m

There are no direct flights from South Korea to Ontario. There are no popular flight routes from South Korea to Ontario.

Search flight deals

Frequently asked questions about flying from South Korea to Ontario

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

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Cheap flights from South Korea to Los Angeles from $545

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 10/20. 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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China Airlines flights from South Korea to Ontario

Our best China Airlines deals on South Korea to Ontario flight tickets

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Our best Delta deals on South Korea to Ontario flight tickets

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

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What airlines fly to Ontario?

How long does it take to fly to Ontario?

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

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Frequently asked questions about flying from South Korea to Ontario

Why use momondo?

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.

Get notified when prices go down

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

Find better results for your trip to the United States

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

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