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

China Airlines, STARLUX Airlines, and Delta 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 78% of people opting to fly with this airline when traveling to South Korea. Keep in mind that there are 15 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 August 2026, there is 1 operator 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.

$374 Cheap Flights from Ontario to South Korea in 2026

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from Ontario to South Korea

Round-trip

One-way

Last minute

Cheap round-trip flights

Enter your travel dates to find the best prices.

12:01 pm - 9:40 pmONT Ontario-ICN Incheon Intl

17h 39m1 stop San Francisco

7:45 pm - 7:28 pmICN Incheon Intl-ONT Ontario

16h 43m1 stop San Francisco

$701Multiple Airlines

Mon, Oct 19 - Mon, Nov 16

12:01 pm - 9:40 pmONT Ontario-ICN Incheon Intl

17h 39m1 stop San Francisco

7:45 pm - 9:40 amICN Incheon Intl-ONT Ontario

30h 55m2 stops San Francisco Las Vegas Harry Reid Intl

$779Multiple Airlines

Mon, Oct 19 - Mon, Nov 16

12:01 pm - 9:40 pmONT Ontario-ICN Incheon Intl

17h 39m1 stop San Francisco

6:00 pm - 2:34 pmICN Incheon Intl-ONT Ontario

36h 34m2 stops San Francisco Las Vegas Harry Reid Intl

$798Multiple Airlines

Mon, Oct 19 - Sat, Oct 24

12:07 pm - 9:40 pmONT Ontario-ICN Incheon Intl

17h 33m1 stop San Francisco

7:15 pm - 7:36 pmICN Incheon Intl-ONT Ontario

16h 21m1 stop San Francisco

$834Multiple Airlines

Fri, Sep 11 - Fri, Sep 25

12:07 pm - 9:40 pmONT Ontario-ICN Incheon Intl

17h 33m1 stop San Francisco

7:15 pm - 7:36 pmICN Incheon Intl-ONT Ontario

16h 21m1 stop San Francisco

$861Multiple Airlines

Mon, Sep 21 - Mon, Sep 28

12:07 pm - 9:40 pmONT Ontario-ICN Incheon Intl

17h 33m1 stop San Francisco

7:15 pm - 7:36 pmICN Incheon Intl-ONT Ontario

16h 21m1 stop San Francisco

$879Multiple Airlines

Mon, Sep 14 - Fri, Sep 18

12:07 pm - 9:40 pmONT Ontario-ICN Incheon Intl

17h 33m1 stop San Francisco

7:15 pm - 4:59 pmICN Incheon Intl-ONT Ontario

37h 44m2 stops San Francisco Las Vegas Harry Reid Intl

$894Multiple Airlines

Mon, Sep 21 - Mon, Sep 28

12:07 pm - 9:40 pmONT Ontario-ICN Incheon Intl

17h 33m1 stop San Francisco

7:15 pm - 9:09 amICN Incheon Intl-ONT Ontario

29h 54m2 stops San Francisco Las Vegas Harry Reid Intl

$905Multiple Airlines

Fri, Sep 11 - Fri, Sep 25

12:10 am - 11:15 amONT Ontario-ICN Incheon Intl

19h 05m1 stop Taipei City Taiwan Taoyuan Intl

8:15 pm - 6:05 pmICN Incheon Intl-ONT Ontario

37h 50m1 stop Taipei City Taiwan Taoyuan Intl

$938China Airlines

Sun, Oct 11 - Thu, Oct 29

12:10 am - 7:35 pmONT Ontario-ICN Incheon Intl

27h 25m1 stop Taipei City Taiwan Taoyuan Intl

12:30 pm - 6:05 pmICN Incheon Intl-ONT Ontario

21h 35m1 stop Taipei City Taiwan Taoyuan Intl

$938China Airlines

Mon, Oct 12 - Wed, Oct 28

Cheap last minute flights

Enter your travel dates to find the best prices.

12:45 am - 7:05 pmONT Ontario-ICN Incheon Intl

26h 20m1 stop Taipei City Taiwan Taoyuan Intl

12:45 pm - 6:40 pmICN Incheon Intl-ONT Ontario

21h 55m1 stop Taipei City Taiwan Taoyuan Intl

$963China Airlines

Thu, Aug 27 - Sun, Sep 13

12:45 am - 7:05 pmONT Ontario-ICN Incheon Intl

26h 20m1 stop Taipei City Taiwan Taoyuan Intl

12:45 pm - 6:40 pmICN Incheon Intl-ONT Ontario

21h 55m1 stop Taipei City Taiwan Taoyuan Intl

$963China Airlines

Wed, Aug 26 - Sun, Sep 13

12:45 am - 7:05 pmONT Ontario-ICN Incheon Intl

26h 20m1 stop Taipei City Taiwan Taoyuan Intl

12:45 pm - 6:40 pmICN Incheon Intl-ONT Ontario

21h 55m1 stop Taipei City Taiwan Taoyuan Intl

$963China Airlines

Tue, Aug 25 - Sat, Sep 12

12:45 am - 7:05 pmONT Ontario-ICN Incheon Intl

26h 20m1 stop Taipei City Taiwan Taoyuan Intl

12:35 pm - 6:00 pmICN Incheon Intl-ONT Ontario

21h 25m1 stop Taipei City Taiwan Taoyuan Intl

$963China Airlines

Wed, Aug 26 - Thu, Sep 17

12:45 am - 7:05 pmONT Ontario-ICN Incheon Intl

26h 20m1 stop Taipei City Taiwan Taoyuan Intl

12:45 pm - 6:40 pmICN Incheon Intl-ONT Ontario

21h 55m1 stop Taipei City Taiwan Taoyuan Intl

$963China Airlines

Sat, Aug 29 - Mon, Sep 7

12:45 am - 7:05 pmONT Ontario-ICN Incheon Intl

26h 20m1 stop Taipei City Taiwan Taoyuan Intl

12:45 pm - 6:40 pmICN Incheon Intl-ONT Ontario

21h 55m1 stop Taipei City Taiwan Taoyuan Intl

$963China Airlines

Wed, Aug 26 - Thu, Sep 3

12:45 am - 7:05 pmONT Ontario-ICN Incheon Intl

26h 20m1 stop Taipei City Taiwan Taoyuan Intl

12:45 pm - 6:40 pmICN Incheon Intl-ONT Ontario

21h 55m1 stop Taipei City Taiwan Taoyuan Intl

$963China Airlines

Wed, Aug 26 - Fri, Sep 4

12:45 am - 7:05 pmONT Ontario-ICN Incheon Intl

26h 20m1 stop Taipei City Taiwan Taoyuan Intl

12:45 pm - 6:40 pmICN Incheon Intl-ONT Ontario

21h 55m1 stop Taipei City Taiwan Taoyuan Intl

$963China Airlines

Wed, Aug 26 - Mon, Sep 14

12:45 am - 2:40 pmONT Ontario-ICN Incheon Intl

21h 55m1 stop Taipei City Taiwan Taoyuan Intl

7:45 am - 6:40 pmICN Incheon Intl-ONT Ontario

26h 55m1 stop Taipei City Taiwan Taoyuan Intl

$1,034Multiple Airlines

Wed, Aug 26 - Wed, Sep 9

12:45 am - 1:40 amONT Ontario-ICN Incheon Intl

32h 55m2 stops Taipei City Taiwan Taoyuan Intl Hong Kong Intl

7:45 am - 6:40 pmICN Incheon Intl-ONT Ontario

26h 55m1 stop Taipei City Taiwan Taoyuan Intl

$1,068Multiple Airlines

Tue, Aug 25 - Wed, Sep 2

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China Airlines flights from Ontario to South Korea

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

China Airlines

Oct 12

ONT12:10 amOntario

27h 25m

1 stop

ICN7:35 pmIncheon Intl

Oct 28

ICN12:30 pmIncheon Intl

21h 35m

1 stop

ONT6:05 pmOntario

$938

China Airlines

Sep 7

ONT12:45 amOntario

18h 45m

1 stop

ICN11:30 amIncheon Intl

Sep 12

ICN12:45 pmIncheon Intl

21h 55m

1 stop

ONT6:40 pmOntario

$947

China Airlines

Oct 11

ONT12:10 amOntario

19h 05m

1 stop

ICN11:15 amIncheon Intl

Oct 21

ICN12:35 pmIncheon Intl

21h 25m

1 stop

ONT6:00 pmOntario

$963

Delta flights from Ontario to South Korea

Our best Delta deals on Ontario to South Korea flight tickets

Delta

Nov 12

ONT6:00 amOntario

17h 20m

1 stop

ICN4:20 pmIncheon Intl

Nov 26

ICN6:45 pmIncheon Intl

15h 34m

1 stop

ONT5:19 pmOntario

$1,007

Delta

Sep 13

ONT5:15 pmOntario

31h 35m

2 stops

ICN4:50 pmIncheon Intl

Sep 24

ICN7:20 pmIncheon Intl

20h 27m

1 stop

ONT11:47 pmOntario

$1,012

Delta

Sep 13

ONT5:15 pmOntario

30h 05m

1 stop

ICN3:20 pmIncheon Intl

Sep 22

ICN7:00 pmIncheon Intl

19h 40m

1 stop

ONT10:40 pmOntario

$1,013

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

OntarioIncheon

ONT Ontario - ICN Incheon Intl

ONTICN

Ontario

Mon 10/19

12:01 pm-9:40 pm

1 stop17h 39m

Incheon Intl

Mon 11/16

7:45 pm-7:28 pm

1 stop16h 43m

$701

OntarioIncheon

ONT Ontario - ICN Incheon Intl

ONTICN

Ontario

Mon 10/19

12:01 pm-9:40 pm

1 stop17h 39m

Incheon Intl

Mon 11/16

7:45 pm-9:40 am

2 stops30h 55m

$779

OntarioIncheon

ONT Ontario - ICN Incheon Intl

ONTICN

Ontario

Mon 10/19

12:01 pm-9:40 pm

1 stop17h 39m

Incheon Intl

Sat 10/24

6:00 pm-2:34 pm

2 stops36h 34m

$798

Quickest round-trip

OntarioIncheon

ONT Ontario - ICN Incheon Intl

ONTICN

Ontario

Fri 9/11

12:07 pm-9:40 pm

1 stop17h 33m

Incheon Intl

Fri 9/25

7:15 pm-7:36 pm

1 stop16h 21m

$834

OntarioIncheon

ONT Ontario - ICN Incheon Intl

ONTICN

Ontario

Mon 9/21

12:07 pm-9:40 pm

1 stop17h 33m

Incheon Intl

Mon 9/28

7:15 pm-7:36 pm

1 stop16h 21m

$861

OntarioIncheon

ONT Ontario - ICN Incheon Intl

ONTICN

Ontario

Mon 9/14

12:07 pm-9:40 pm

1 stop17h 33m

Incheon Intl

Fri 9/18

7:15 pm-7:36 pm

1 stop16h 21m

$879

OntarioIncheon

ONT Ontario - ICN Incheon Intl

ONTICN

Ontario

Mon 9/21

12:07 pm-9:40 pm

1 stop17h 33m

Incheon Intl

Mon 9/28

7:15 pm-4:59 pm

2 stops37h 44m

$894

OntarioIncheon

ONT Ontario - ICN Incheon Intl

ONTICN

Ontario

Fri 9/11

12:07 pm-9:40 pm

1 stop17h 33m

Incheon Intl

Fri 9/25

7:15 pm-9:09 am

2 stops29h 54m

$905

OntarioIncheon

ONT Ontario - ICN Incheon Intl

ONTICN

Ontario

Sun 10/11

12:10 am-11:15 am

1 stop19h 05m

Incheon Intl

Thu 10/29

8:15 pm-6:05 pm

1 stop37h 50m

$938

OntarioIncheon

ONT Ontario - ICN Incheon Intl

ONTICN

Ontario

Mon 10/12

12:10 am-7:35 pm

1 stop27h 25m

Incheon Intl

Wed 10/28

12:30 pm-6:05 pm

1 stop21h 35m

$938

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 month to fly to South Korea?

If you aren’t able to travel to South Korea during the month of January, then flying in September is also cheap. Prices for this month can be found on momondo for an average of $860.

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	$374
Fastest flight time	15h 55m
Direct flights	None

The best one-way flight to South Korea from Ontario in the past 72 hours is $374. The best round-trip flight deal from Ontario to South Korea found on momondo in the last 72 hours is $701.

The fastest flight from Ontario to South Korea takes 15h 55m

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

Search flight deals

Frequently asked questions about flying from Ontario to South Korea

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 August 2026, there is 1 operator 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 $854	Free Cancellation	Rating 8.3 843 reviews		Search China Airlines 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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Feeling lucky

Popular cities in South Korea

Flights to Seoulfrom $599

Flights to Jeju Cityfrom $806

Flights to Busanfrom $837

Flights to Daegufrom $894

Flights to Gwangjufrom $962

Flights to Yeosu

Flights to Jinjufrom $1,461

Flights to Ulsanfrom $1,567

Flights to Muan

Cheap flights from Ontario to South Korea 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 Ontario to South Korea departing on 9/14. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.

Find the cheapest flights from Ontario to South Korea

Cheap round-trip flights

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Cheap last minute flights

Big names and deals

Big names and deals

Filter for what you want

Filter for what you want

Trusted and free

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China Airlines flights from Ontario to South Korea

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

Delta flights from Ontario to South Korea

Our best Delta 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.

See travel insights to South Korea from

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

What is the cheapest month to fly to South Korea?

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

What airlines fly to South Korea?

Cheap Ontario to South Korea flight deals and tips

Best Price Found

Fastest flight time

Direct flights

Frequently asked questions about flying from Ontario 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?

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

Ontario flight routes

According to popular flight searches on momondo this year

South Korea flight routes

According to popular flight searches on momondo this year

Fly your favorite airline to South Korea

Airlines are sorted and displayed according to clicks in the past 7 days on momondo

Cabin classes currently available on flights to South Korea

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

Complete your trip to South Korea

Explore popular destinations other users love

According to popular flight searches on momondo this year