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

China Airlines is the most popular carrier operating from Ontario to South Korea

What airlines fly to South Korea?

AIR PREMIA, Asiana Airlines and Korean Air are the top three most popular airlines that fly to South Korea from Ontario according to our data. AIR PREMIA is the first choice among our users, with 68% of people opting to fly with this airline when traveling to South Korea. Keep in mind that there are 16 different airlines that fly to South Korea on a routine basis, so you have a few additional options to choose from.

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

Prices for flights from Ontario Airport to South Korea were last updated today.

How many operators does momondo search for flights from Ontario Airport to South Korea?

As of September 2025, there are 2 operators available to choose from for flights from Ontario Airport to South Korea.

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

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 Ontario Airport to South Korea.

What documentation or ID do you need to fly to South Korea?

The necessary travel and health documents for your South Korea trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

$488 Cheap Flights from Ontario to South Korea in 2025/26

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Find the cheapest flights from Ontario to South Korea

Round-trip

One-way

Last minute

Cheap round-trip flights

10:28 pm - 3:45 pmONT-ICN

49h 17m2 stops

6:20 pm - 12:07 amICN-ONT

21h 47m1 stop

$671

Find Deal

dom., oct. 5 - dom., oct. 12

9:46 pm - 2:35 pmONT-ICN

48h 49m2 stops

6:20 pm - 12:07 amICN-ONT

21h 47m1 stop

$762

Find Deal

lun., sep. 29 - dom., oct. 12

9:46 pm - 2:35 pmONT-ICN

48h 49m2 stops

8:35 pm - 12:03 amICN-ONT

19h 28m1 stop

$782

Find Deal

lun., sep. 29 - jue., oct. 9

10:47 pm - 3:45 pmONT-ICN

48h 58m2 stops

6:20 pm - 12:12 amICN-ONT

21h 52m1 stop

$785

Find Deal

lun., oct. 13 - lun., oct. 20

10:40 pm - 4:10 pmONT-ICN

48h 30m2 stops

6:55 pm - 11:50 pmICN-ONT

21h 55m1 stop

$787

Find Deal

lun., nov. 3 - lun., nov. 10

10:50 pm - 6:50 pmONT-PUS

27h 00m1 stop

11:50 am - 5:50 pmPUS-ONT

22h 00m1 stop

$896China Airlines

Find Deal

jue., feb. 26 - mar., mar. 10

11:50 pm - 7:15 pmONT-ICN

27h 25m1 stop

12:30 pm - 5:50 pmICN-ONT

21h 20m1 stop

$900China Airlines

Find Deal

vie., mar. 13 - sáb., mar. 21

6:00 am - 9:50 pmONT-GMP

23h 50m2 stops

8:00 am - 3:17 pmGMP-ONT

23h 17m2 stops

$1,452Japan Airlines

Find Deal

mar., oct. 21 - vie., oct. 31

6:45 am - 8:00 pmONT-CJU

20h 15m2 stops

10:35 am - 5:09 pmCJU-ONT

23h 34m2 stops

$1,457Korean Air

Find Deal

jue., nov. 13 - vie., nov. 21

6:00 am - 9:50 pmONT-GMP

23h 50m2 stops

12:05 pm - 3:17 pmGMP-ONT

20h 12m2 stops

$1,502Japan Airlines

Find Deal

vie., oct. 24 - lun., nov. 10

China Airlines flights from Ontario to South Korea

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

China Airlines

Feb 26

ONT10:50 pmOntario

27h 00m

1 stop

PUS6:50 pmBusan Gimhae

Mar 10

PUS11:50 amBusan Gimhae

22h 00m

1 stop

ONT5:50 pmOntario

$896

Find similar

China Airlines

Mar 13

ONT11:50 pmOntario

27h 25m

1 stop

ICN7:15 pmIncheon Intl

Mar 21

ICN12:30 pmIncheon Intl

21h 20m

1 stop

ONT5:50 pmOntario

$900

Find similar

China Airlines

Jan 14

ONT10:50 pmOntario

27h 25m

1 stop

ICN7:15 pmIncheon Intl

Jan 30

ICN12:30 pmIncheon Intl

21h 20m

1 stop

ONT4:50 pmOntario

$918

Find similar

American Airlines flights from Ontario to South Korea

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

American Airlines

Sep 21

ONT11:59 pmOntario

23h 31m

1 stop

ICN3:30 pmIncheon Intl

Oct 6

ICN5:45 pmIncheon Intl

20h 04m

2 stops

ONT9:49 pmOntario

$1,202

Find similar

American Airlines

Sep 28

ONT11:59 pmOntario

23h 31m

1 stop

ICN3:30 pmIncheon Intl

Oct 5

ICN5:25 pmIncheon Intl

17h 29m

1 stop

ONT6:54 pmOntario

$1,208

Find similar

American Airlines

Sep 28

ONT4:45 pmOntario

30h 45m

2 stops

ICN3:30 pmIncheon Intl

Oct 5

ICN5:25 pmIncheon Intl

22h 34m

1 stop

ONT11:59 pmOntario

$1,213

Find similar

Fly from

Fly to

Route

Depart

Return

Price

OntarioIncheon

ONT - ICN

ONTICN

Ontario

dom. 10/5

10:28 pm-3:45 pm

2 stops49h 17m

Incheon Intl

dom. 10/12

6:20 pm-12:07 am

1 stop21h 47m

$671

OntarioIncheon

ONT - ICN

ONTICN

Ontario

lun. 9/29

9:46 pm-2:35 pm

2 stops48h 49m

Incheon Intl

dom. 10/12

6:20 pm-12:07 am

1 stop21h 47m

$762

OntarioIncheon

ONT - ICN

ONTICN

Ontario

lun. 9/29

9:46 pm-2:35 pm

2 stops48h 49m

Incheon Intl

jue. 10/9

8:35 pm-12:03 am

1 stop19h 28m

$782

OntarioIncheon

ONT - ICN

ONTICN

Ontario

lun. 10/13

10:47 pm-3:45 pm

2 stops48h 58m

Incheon Intl

lun. 10/20

6:20 pm-12:12 am

1 stop21h 52m

$785

OntarioIncheon

ONT - ICN

ONTICN

Ontario

lun. 11/3

10:40 pm-4:10 pm

2 stops48h 30m

Incheon Intl

lun. 11/10

6:55 pm-11:50 pm

1 stop21h 55m

$787

OntarioBusan

ONT - PUS

ONTPUS

Ontario

jue. 2/26

10:50 pm-6:50 pm

1 stop27h 00m

Busan Gimhae

mar. 3/10

11:50 am-5:50 pm

1 stop22h 00m

$896

OntarioIncheon

ONT - ICN

ONTICN

Ontario

vie. 3/13

11:50 pm-7:15 pm

1 stop27h 25m

Incheon Intl

sáb. 3/21

12:30 pm-5:50 pm

1 stop21h 20m

$900

OntarioSeoul

ONT - GMP

ONTGMP

Ontario

mar. 10/21

6:00 am-9:50 pm

2 stops23h 50m

Seoul Gimpo Intl

vie. 10/31

8:00 am-3:17 pm

2 stops23h 17m

$1,452

OntarioJeju City

ONT - CJU

ONTCJU

Ontario

jue. 11/13

6:45 am-8:00 pm

2 stops20h 15m

Jeju City

vie. 11/21

10:35 am-5:09 pm

2 stops23h 34m

$1,457

OntarioSeoul

ONT - GMP

ONTGMP

Ontario

vie. 10/24

6:00 am-9:50 pm

2 stops23h 50m

Seoul Gimpo Intl

lun. 11/10

12:05 pm-3:17 pm

2 stops20h 12m

$1,502

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 Ontario to South Korea

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

What is the cheapest day to depart on your flight to South Korea?

On average, the least expensive day to fly to South Korea from Ontario is on a Wednesday. momondo users have found tickets for Wednesday departures for as low as $1,189. However, this price may fluctuate depending on the airline, the season, and holidays. When flying out on a Sunday, the most expensive travel day of the week, you can expect to see flight prices from Ontario to South Korea for around $1,310.

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

Flying to South Korea from Ontario in the evening is the least expensive time of day to depart. momondo users have found prices as low as $1,130 when looking at flights departing in the evening. If you have a flexible travel schedule, then try to avoid flying in the morning when prices are $1,480 on average. Flights to South Korea from Ontario in the morning are generally more expensive because this time of day is more convenient for travelers’ schedules.

Can stopping save me money on Ontario to South Korea flights?

You could potentially save up to 15% on your flight if you consider stops on a Ontario to South Korea flight.

Cheap Ontario to South Korea flight deals and tips

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

Direct flights	None

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

Search flight deals

When did momondo last update prices for flights from Ontario Airport to South Korea?
Prices for flights from Ontario Airport to South Korea were last updated today.
How many operators does momondo search for flights from Ontario Airport to South Korea?
As of September 2025, there are 2 operators available to choose from for flights from Ontario Airport to South Korea.
How old do you have to be to fly from Ontario Airport to South Korea?
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 Ontario Airport to South Korea.
What documentation or ID do you need to fly to South Korea?
The necessary travel and health documents for your South Korea trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

Best airlines flying from Ontario to South Korea

Compare and see reviews for airlines that fly from Ontario to South Korea with momondo

Airline	Rating	Free Cancellation	Price
China Airlines	PriceFrom $930	Free Cancellation	Rating 8.3 767 reviews		Search China Airlines flights
Korean Air	PriceFrom $1,111	Free Cancellation	Rating 8.4 1,139 reviews		Search Korean Air flights

Why use momondo?

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

momondo compares prices from hundreds of airlines and agents so you can find and book the best deal on flights from Ontario to South Korea. Millions of users trust and use momondo every year so you are in good hands.

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

momondo does allow users to show only those flights to South Korea from Ontario which offer a flexible booking policy as well as other useful filters and features.

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

momondo provides multiple filters to help you find the best flight to South Korea from Ontario. Filter by price, airline, airports, cabin, aircraft, payment method, number of stops and more.

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

Yes momondo offers price alerts on flights to South Korea from Ontario. 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 South Korea 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.

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Find better results for your trip to South Korea

Popular cities in South Korea

Flights to Seoulfrom $385

Flights to Busanfrom $726

Flights to Jeju Cityfrom $650

Flights to Daegufrom $972

Flights to Gwangjufrom $1,693

Flights to Muan

Flights to Jinjufrom $1,501

Flights to Yeosu

Cheap flights from Ontario to South Korea from $488

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Ontario to South Korea departing on 12/8. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.

Big names and deals

Big names and deals

Filter for what you want

Filter for what you want

Trusted and free

Trusted and free

Price Alerts

Price Alerts

Find the cheapest flights from Ontario to South Korea

Cheap round-trip flights

Cheap one-way flights

Cheap last minute flights

China Airlines flights from Ontario to South Korea

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

American Airlines flights from Ontario to South Korea

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

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Use the filters below to find and compare flights from Ontario to South Korea that are best for you.

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

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 day to depart on your flight to South Korea?

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

Can stopping save me money on Ontario to South Korea flights?

You could potentially save up to 15% on your flight if you consider stops on a Ontario to South Korea flight.

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

China Airlines is the most popular carrier operating from Ontario to South Korea

What airlines fly to South Korea?

Cheap Ontario to South Korea flight deals and tips

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

Direct flights

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

How many operators does momondo search for flights from Ontario Airport to South Korea?

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

What documentation or ID do you need to fly to South Korea?

Best airlines flying from Ontario to South Korea

Compare and see reviews for airlines that fly from Ontario to South Korea with momondo

Why use momondo?

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

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

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

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

An easier way to manage your South Korea 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

Popular cities in South Korea

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