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

Alaska Airlines, Hawaiian Airlines, and China Airlines are the most popular carriers 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 64% of people opting to fly with this airline when traveling to South Korea. Keep in mind that there are 17 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 July 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.

$475 Cheap Flights from Ontario to South Korea in 2025

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Find the cheapest flights from Ontario to South Korea

Round-trip

One-way

Last minute

Cheap round-trip flights

9:41 pm - 8:30 pmONT-ICN

30h 49m1 stop

6:20 pm - 11:38 amICN-ONT

33h 18m2 stops

$858

Find Deal

dom., ago. 24 - mié., sep. 17

9:41 pm - 8:30 pmONT-ICN

30h 49m1 stop

6:20 pm - 11:38 amICN-ONT

33h 18m2 stops

$861

Find Deal

jue., ago. 28 - mié., sep. 17

9:41 pm - 9:35 pmONT-ICN

31h 54m2 stops

6:20 pm - 11:38 pmICN-ONT

21h 18m1 stop

$883

Find Deal

lun., ago. 25 - vie., sep. 19

10:50 pm - 7:15 pmONT-ICN

27h 25m1 stop

12:30 pm - 4:50 pmICN-ONT

21h 20m1 stop

$902China Airlines

Find Deal

lun., ene. 19 - dom., feb. 1

2:21 pm - 7:00 pmONT-ICN

36h 39m2 stops

9:25 pm - 2:09 pmICN-ONT

32h 44m2 stops

$910Alaska Airlines

Find Deal

sáb., ago. 16 - sáb., ago. 30

3:04 pm - 7:00 pmONT-ICN

59h 56m2 stops

9:25 pm - 9:26 amICN-ONT

52h 01m2 stops

$912Alaska Airlines

Find Deal

mar., ago. 26 - vie., ago. 29

10:50 pm - 11:20 amONT-ICN

19h 30m1 stop

12:30 pm - 4:50 pmICN-ONT

21h 20m1 stop

$920China Airlines

Find Deal

lun., ene. 5 - dom., ene. 18

6:37 am - 7:25 pmONT-PUS

19h 48m2 stops

12:00 pm - 5:17 pmPUS-ONT

22h 17m2 stops

$1,546Korean Air

Find Deal

mié., nov. 5 - mié., nov. 12

6:00 am - 7:35 pmONT-PUS

21h 35m2 stops

4:30 pm - 10:42 pmPUS-ONT

22h 12m2 stops

$1,568Delta

Find Deal

dom., ago. 24 - lun., sep. 8

6:37 am - 7:45 pmONT-TAE

20h 08m2 stops

7:40 am - 5:17 pmTAE-ONT

26h 37m2 stops

$1,758Delta

Find Deal

mié., nov. 5 - mié., nov. 12

China Airlines flights from Ontario to South Korea

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

China Airlines

Jan 19

ONT10:50 pmOntario

27h 25m

1 stop

ICN7:15 pmIncheon Intl

Feb 1

ICN12:30 pmIncheon Intl

21h 20m

1 stop

ONT4:50 pmOntario

$902

Find similar

China Airlines

Jan 5

ONT10:50 pmOntario

19h 30m

1 stop

ICN11:20 amIncheon Intl

Jan 18

ICN12:30 pmIncheon Intl

21h 20m

1 stop

ONT4:50 pmOntario

$920

Find similar

China Airlines

Jan 5

ONT10:50 pmOntario

19h 30m

1 stop

ICN11:20 amIncheon Intl

Jan 16

ICN12:30 pmIncheon Intl

21h 20m

1 stop

ONT4:50 pmOntario

$921

Find similar

Alaska Airlines flights from Ontario to South Korea

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

Alaska Airlines

Aug 16

ONT2:21 pmOntario

36h 39m

2 stops

ICN7:00 pmIncheon Intl

Aug 30

ICN9:25 pmIncheon Intl

32h 44m

2 stops

ONT2:09 pmOntario

$910

Find similar

Alaska Airlines

Aug 26

ONT3:04 pmOntario

59h 56m

2 stops

ICN7:00 pmIncheon Intl

Aug 29

ICN9:25 pmIncheon Intl

52h 01m

2 stops

ONT9:26 amOntario

$912

Find similar

Alaska Airlines

Aug 8

ONT6:58 pmOntario

56h 02m

2 stops

ICN7:00 pmIncheon Intl

Aug 29

ICN9:25 pmIncheon Intl

52h 01m

2 stops

ONT9:26 amOntario

$937

Find similar

Fly from

Fly to

Route

Depart

Return

Price

OntarioIncheon

ONT - ICN

ONTICN

Ontario

dom. 8/24

9:41 pm-8:30 pm

1 stop30h 49m

Incheon Intl

mié. 9/17

6:20 pm-11:38 am

2 stops33h 18m

$858

OntarioIncheon

ONT - ICN

ONTICN

Ontario

jue. 8/28

9:41 pm-8:30 pm

1 stop30h 49m

Incheon Intl

mié. 9/17

6:20 pm-11:38 am

2 stops33h 18m

$861

OntarioIncheon

ONT - ICN

ONTICN

Ontario

lun. 8/25

9:41 pm-9:35 pm

2 stops31h 54m

Incheon Intl

vie. 9/19

6:20 pm-11:38 pm

1 stop21h 18m

$883

OntarioIncheon

ONT - ICN

ONTICN

Ontario

lun. 1/19

10:50 pm-7:15 pm

1 stop27h 25m

Incheon Intl

dom. 2/1

12:30 pm-4:50 pm

1 stop21h 20m

$902

OntarioIncheon

ONT - ICN

ONTICN

Ontario

sáb. 8/16

2:21 pm-7:00 pm

2 stops36h 39m

Incheon Intl

sáb. 8/30

9:25 pm-2:09 pm

2 stops32h 44m

$910

OntarioIncheon

ONT - ICN

ONTICN

Ontario

mar. 8/26

3:04 pm-7:00 pm

2 stops59h 56m

Incheon Intl

vie. 8/29

9:25 pm-9:26 am

2 stops52h 01m

$912

OntarioIncheon

ONT - ICN

ONTICN

Ontario

lun. 1/5

10:50 pm-11:20 am

1 stop19h 30m

Incheon Intl

dom. 1/18

12:30 pm-4:50 pm

1 stop21h 20m

$920

OntarioBusan

ONT - PUS

ONTPUS

Ontario

mié. 11/5

6:37 am-7:25 pm

2 stops19h 48m

Busan Gimhae

mié. 11/12

12:00 pm-5:17 pm

2 stops22h 17m

$1,546

OntarioBusan

ONT - PUS

ONTPUS

Ontario

dom. 8/24

6:00 am-7:35 pm

2 stops21h 35m

Busan Gimhae

lun. 9/8

4:30 pm-10:42 pm

2 stops22h 12m

$1,568

OntarioDaegu

ONT - TAE

ONTTAE

Ontario

mié. 11/5

6:37 am-7:45 pm

2 stops20h 08m

Daegu

mié. 11/12

7:40 am-5:17 pm

2 stops26h 37m

$1,758

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 13% 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

Best Price Found	$475
Fastest flight time	17h 12m
Direct flights	None
Airports in South Korea	4 airports

The best one-way flight to South Korea from Ontario in the past 72 hours is $475. The best round-trip flight deal from Ontario to South Korea found on momondo in the last 72 hours is $858.

The fastest flight from Ontario to South Korea takes 17h 12m

There are no direct flights from Ontario to South Korea. Popular non-direct routes for this connection are Ontario Airport - Busan Gimhae Airport and Ontario Airport - Incheon Intl Airport.

There are 4 airports near South Korea: Incheon Intl (ICN), Seoul Gimpo Intl (GMP), Busan Gimhae (PUS), Jeju City (CJU)

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 July 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 $961	Free Cancellation	Rating 8.3 754 reviews		Search China Airlines flights
Korean Air	PriceFrom $1,111	Free Cancellation	Rating 8.4 1,121 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 $611

Flights to Jeju Cityfrom $744

Flights to Busanfrom $699

Flights to Gwangjufrom $1,479

Flights to Muan

Cheap flights from Ontario to South Korea from $475

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 8/27. 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

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Filter for what you want

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Find the cheapest flights from Ontario to South Korea

Cheap round-trip flights

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China Airlines flights from Ontario to South Korea

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

Alaska Airlines flights from Ontario to South Korea

Our best Alaska 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 13% 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?

Alaska Airlines, Hawaiian Airlines, and China Airlines are the most popular carriers 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

Best Price Found

Fastest flight time

Direct flights

Airports in South Korea

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