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Ontario

$424+ Cheap flights from South Korea to Ontario (ONT)

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 3/17. Fares are subject to change and may not be available on all flights or dates of travel.
ICN — ONT
Dec 24 — Dec 311
Tue 12/24
Tue 12/31
1 adult, Economy
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Cheap flight deals from South Korea to Ontario

Discover tips and strategies to find the most affordable flight options for your journey from South Korea (KR0) to Ontario (ONT). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated December 19, 2024.

Round-trip from

$687
(United Airlines)

One-way from

$424
(Hanatour)
From South Korea to Ontario
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One-way flight from South Korea to Ontario
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Find flight deals from South Korea to Ontario

Cheapest flights from South Korea to Ontario
Explore the most affordable flight options available from South Korea to Ontario. Find the lowest fares from popular airlines and budget airlines, with prices last updated on December 19, 2024.

This United Airlines deal was found by Cheapflights users on 12/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/2412:45 pmICN - ONT
1 stop22h 08mUnited Airlines
Mon 12/306:50 pmONT - ICN
1 stop17h 50mUnited Airlines
Deal found 12/18$687
This Hawaiian Airlines deal was found by Cheapflights users on 12/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Hawaiian Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/259:25 pmICN - ONT
1 stop17h 45mHawaiian Airlines
Wed 1/110:05 amONT - ICN
1 stop40h 20mHawaiian Airlines
Deal found 12/18$1,008
This Onlinetour deal was found by Cheapflights users on 12/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Onlinetour is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/254:10 pmICN - ONT
1 stop21h 05mKorean Air
Sun 12/297:00 amONT - ICN
1 stop15h 55mKorean Air
Deal found 12/18$1,253
This FlightHub deal was found by Cheapflights users on 12/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/2412:25 pmICN - ONT
1 stop21h 25mChina Airlines
Tue 12/3110:45 pmONT - ICN
1 stop19h 35mChina Airlines
Deal found 12/18$1,258
This EVA Air deal was found by Cheapflights users on 12/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure EVA Air is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/2711:40 amICN - ONT
2 stops29h 19mMultiple Airlines
Sat 1/256:15 amONT - ICN
2 stops35h 15mMultiple Airlines
Deal found 12/18$1,779
This oojo deal was found by Cheapflights users on 12/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/2612:20 amICN - ONT
2 stops59h 13mQatar Airways
Sat 1/256:00 amONT - ICN
2 stops42h 15mQatar Airways
Deal found 12/18$2,184
This American Airlines deal was found by Cheapflights users on 12/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/236:50 pmICN - ONT
2 stops20h 12mAmerican Airlines
Fri 12/2711:59 pmONT - ICN
1 stop23h 31mAmerican Airlines
Deal found 12/18$2,539

Find flights from South Korea to Ontario within your budget

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, Cheapflights users made 2,558,603 searches. Data last updated December 19, 2024.

Fly from

Any airport

Fly to

Any airport

Route

Depart

Return

Price

IncheonOntario

ICN - ONT

ICNONT

Incheon Intl

Wed 1/29

12:45 pm-8:51 pm

2 stops25h 06m

Ontario

Wed 3/26

5:05 am-4:40 am

2 stops31h 35m

$687

IncheonOntario

ICN - ONT

ICNONT

Incheon Intl

Sun 2/23

6:55 pm-7:26 am

2 stops29h 31m

Ontario

Sun 3/16

8:26 am-8:30 pm

1 stop20h 04m

$714

IncheonOntario

ICN - ONT

ICNONT

Incheon Intl

Fri 3/21

12:25 pm-5:50 pm

1 stop21h 25m

Ontario

Wed 4/23

12:10 am-7:35 pm

1 stop27h 25m

$820

IncheonOntario

ICN - ONT

ICNONT

Incheon Intl

Thu 2/6

6:50 pm-9:58 pm

2 stops20h 08m

Ontario

Thu 2/13

11:59 pm-4:45 pm

1 stop23h 46m

$854

BusanOntario

PUS - ONT

PUSONT

Busan Gimhae

Sun 2/2

7:45 pm-4:50 pm

1 stop38h 05m

Ontario

Sun 2/9

10:45 pm-6:45 pm

1 stop27h 00m

$915

IncheonOntario

ICN - ONT

ICNONT

Incheon Intl

Wed 1/22

9:25 pm-9:40 pm

1 stop17h 15m

Ontario

Wed 2/12

9:45 am-7:25 pm

1 stop40h 40m

$918

IncheonOntario

ICN - ONT

ICNONT

Incheon Intl

Tue 2/11

4:10 pm-3:25 pm

1 stop16h 15m

Ontario

Tue 3/11

5:40 am-3:55 pm

1 stop18h 15m

$1,149

BusanOntario

PUS - ONT

PUSONT

Busan Gimhae

Sun 2/2

7:40 am-11:24 pm

2 stops32h 44m

Ontario

Sun 2/9

10:45 pm-6:10 am

1 stop38h 25m

$1,210

BusanOntario

PUS - ONT

PUSONT

Busan Gimhae

Sun 2/2

4:10 pm-3:25 pm

2 stops40h 15m

Ontario

Sun 2/9

4:05 pm-7:25 pm

2 stops34h 20m

$1,248

SeoulOntario

GMP - ONT

GMPONT

Seoul Gimpo Intl

Wed 1/22

7:40 pm-1:51 pm

2 stops35h 11m

Ontario

Mon 2/3

7:00 am-10:20 pm

2 stops46h 20m

$1,400

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/17

Showing 1-10 of 27 results
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Best time to book a flight from South Korea to Ontario

Have a flexible travel schedule? Discover the best time to fly to Ontario from South Korea with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Travel insights for flights from South Korea to Ontario

Get recent, data-driven insights about flights from South Korea to Ontario including ideal travel times, pricing trends, and more.

What is the cheapest month to book a flight from South Korea to Ontario?

Currently, September is the cheapest month in which you can book a flight from South Korea to Ontario (average of $236). Flying from South Korea to Ontario in December is currently the most expensive (average of $298). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

What is the cheapest time of day to fly from KR to ONT?

Find hourly flight availability from South Korea to Ontario. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated December 19, 2024.

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from South Korea to Ontario as you normally would.

Rainfall in Ontario by month

Plan your trip to Ontario by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Ontario ranges from 0.1 - 3.4 inches per month. February is typically the wettest month, when rainfall can reach 3.4 in. June is typically the driest time to visit Ontario when rainfall is around 0.1 in.

Temperature in Ontario by month

Plan your trip to Ontario by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Ontario, use this chart to help with planning. For those seeking warmer temperatures, August is the ideal time of year to visit, when temperatures reach an average of 78.8 F. Travelers looking to avoid the cold should look outside of December, when temperatures are typically at their lowest (around 53.6 F).

Reviews of airlines servicing Ontario

Get insights into the airlines that provide service to Ontario. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Ontario. Reviews last updated December 19, 2024.
See what other customers who have flown with China Airlines, American Airlines and Hawaiian Airlines from South Korea to Ontario have to say. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
Korean Air
8.4
Very good
1,021 reviews

Entertainment

8.2

Boarding

8.5

Food

8.1

Crew

8.7

Comfort

8.3

Overall

8.4

Reviews

1 / 10

Flight was short, so we did not get food, but that is expected. Only have entertainment a fair rating because no wifi is provided onboard. Good flight overall.

Korean Air
8.4
Very good
1,021 reviews
Korean Air
8.4
Very good
1,021 reviews

Entertainment

8.2

Boarding

8.5

Food

8.1

Crew

8.7

Comfort

8.3

Overall

8.4

Reviews

1 / 10

Flight was short, so we did not get food, but that is expected. Only have entertainment a fair rating because no wifi is provided onboard. Good flight overall.

Japan Airlines
8.3
Very good
1,442 reviews
Korean Air
8.4
Very good
1,021 reviews

Entertainment

8.2

Boarding

8.5

Food

8.1

Crew

8.7

Comfort

8.3

Overall

8.4

Reviews

1 / 10

Flight was short, so we did not get food, but that is expected. Only have entertainment a fair rating because no wifi is provided onboard. Good flight overall.

China Airlines
8.3
Very good
754 reviews
Korean Air
8.4
Very good
1,021 reviews

Entertainment

8.2

Boarding

8.5

Food

8.1

Crew

8.7

Comfort

8.3

Overall

8.4

Reviews

1 / 10

Flight was short, so we did not get food, but that is expected. Only have entertainment a fair rating because no wifi is provided onboard. Good flight overall.

Delta
8.0
Very good
8,600 reviews
Korean Air
8.4
Very good
1,021 reviews

Entertainment

8.2

Boarding

8.5

Food

8.1

Crew

8.7

Comfort

8.3

Overall

8.4

Reviews

1 / 10

Flight was short, so we did not get food, but that is expected. Only have entertainment a fair rating because no wifi is provided onboard. Good flight overall.

Hawaiian Airlines
7.9
Good
2,295 reviews
Korean Air
8.4
Very good
1,021 reviews

Entertainment

8.2

Boarding

8.5

Food

8.1

Crew

8.7

Comfort

8.3

Overall

8.4

Reviews

1 / 10

Flight was short, so we did not get food, but that is expected. Only have entertainment a fair rating because no wifi is provided onboard. Good flight overall.

Related info for your journey

Find useful and relevant information for your journey from South Korea to Ontario. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly into for flights to Ontario from South Korea?

    Most people fly into Ontario (ONT) if they book a flight to Ontario from South Korea. Ontario is conveniently located just 3.1 mi from Ontario’s city center.

  • What are the cheapest airlines to fly from South Korea to Ontario one-way?

    The cheapest airlines for a one-way flight from South Korea to Ontario are Hawaiian Airlines ($424), United Airlines ($427), and Japan Airlines ($625).

  • What are the most popular routes from South Korea to Ontario?

    Most travelers choose Incheon Intl - Ontario, Busan Gimhae - Ontario or Seoul Gimpo Intl - Ontario when deciding on the best route from South Korea to Ontario.

  • Can I find deals for flights from South Korea to Ontario that include hotel bookings?

    Yes. In addition to deals on South Korea to Ontario flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from South Korea to Ontario?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from South Korea to Ontario.

  • Can I find deals for business class flights from South Korea to Ontario?

    Yes. Cheapflights offers flight deals from South Korea to Ontario by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from South Korea to Ontario?

    Currently, September is the cheapest month in which you can book a flight from South Korea to Ontario (average of $236). Flying from South Korea to Ontario in December is currently the most expensive (average of $298). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

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Top 2 airlines flying from South Korea to Ontario

Discover the top 2 airlines that operate flights from South Korea to Ontario. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated December 19, 2024.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$674Average$785FlexibilityNo cancel feeOn-time69%
China AirlinesCheapest$978Average$1,146FlexibilityNo cancel feeOn-time70%
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