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Kansai Intl

$404+ Cheap flights from Ontario (ONT) to Kansai Intl (KIX)

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 7/14. Fares are subject to change and may not be available on all flights or dates of travel.
ONT — KIX
Jun 7 — Jun 141
Sat 6/7
Sat 6/14
1 adult, Economy
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Cheap flight deals from Ontario to Kansai Intl

Discover tips and strategies to find the most affordable flight options for your journey from Ontario (ONT) to Kansai Intl (KIX). 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 June 2, 2025.

Most accurate provider

AranGrant
3 stars

Most trusted provider

AranGrant
3 stars

Round-trip from

$825
(American Airlines)

One-way from

$404
(Delta)

Popular in

July

Cheapest in

August

Average price

$1,510
Provider with most accurate pricing for Los Angeles-Osaka (OSA) flight deals.
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Provider most trusted by Cheapflights users for Los Angeles-Osaka (OSA) flights.
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From Ontario to Osaka Kansai Intl
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One-way flight from Ontario to Osaka Kansai Intl
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Highest demand for flights based on searches. 9% potential increase in price ($138 potential increase over avg. RT price).
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Cheapest flight prices on average. 4% potential price decrease ($57 potential savings vs. average RT price).
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Average for round-trip flights in June 2025
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Find flight deals from Ontario to Kansai Intl

Cheapest flights from Ontario to Kansai Intl
Explore the most affordable flight options available from Ontario to Kansai Intl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on June 2, 2025.

This American Airlines deal was found by Cheapflights users on 6/1. 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.
Wed 10/158:04 pmONT - KIX
2 stops30h 41mAmerican Airlines
Sat 10/255:55 pmKIX - ONT
2 stops19h 45mAmerican Airlines
Deal found 6/1$825
This United Airlines deal was found by Cheapflights users on 6/1. 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.
Wed 9/36:00 amONT - KIX
1 stop16h 50mUnited Airlines
Thu 9/184:50 pmKIX - ONT
1 stop16h 47mUnited Airlines
Deal found 6/1$935
This oojo deal was found by Cheapflights users on 6/1. 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.
Sun 8/3112:45 amONT - KIX
1 stop20h 05mChina Airlines
Wed 9/172:00 pmKIX - ONT
1 stop20h 00mChina Airlines
Deal found 6/1$959
This oojo deal was found by Cheapflights users on 6/1. 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.
Sat 8/3011:45 pmONT - KIX
1 stop20h 30mSTARLUX Airlines
Fri 9/53:10 pmKIX - ONT
1 stop17h 55mSTARLUX Airlines
Deal found 6/1$986
This Alaska Airlines deal was found by Cheapflights users on 6/1. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/2310:09 amONT - KIX
1 stop16h 36mAlaska Airlines
Wed 10/88:45 pmKIX - ONT
1 stop15h 52mAlaska Airlines
Deal found 6/1$1,051
This Delta deal was found by Cheapflights users on 6/2. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/23:05 pmONT - KIX
2 stops52h 15mDelta
Wed 7/99:05 amKIX - ONT
2 stops29h 42mDelta
Deal found 6/2$1,101
This Hawaiian Airlines deal was found by Cheapflights users on 6/1. 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.
Mon 9/18:35 amONT - KIX
1 stop18h 10mHawaiian Airlines
Tue 9/308:45 pmKIX - ONT
1 stop16h 25mHawaiian Airlines
Deal found 6/1$1,105
This Gurufare deal was found by Cheapflights users on 6/1. 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 Gurufare is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/96:25 amONT - KIX
2 stops22h 35mMultiple Airlines
Sat 7/191:25 pmKIX - ONT
1 stop20h 15mMultiple Airlines
Deal found 6/1$1,170
This oojo deal was found by Cheapflights users on 6/1. 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.
Sun 10/197:25 pmONT - KIX
2 stops29h 50mEVA Air
Tue 11/186:00 pmKIX - ONT
2 stops33h 44mEVA Air
Deal found 6/1$1,206

Cheapflights Fare Finder

Customize your flight search to find flights from Ontario to Kansai Intl 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 June 2, 2025.
Use the filters below to find and compare flights from Ontario to Osaka Kansai Intl Airport that are best for you.

Fly from

Ontario

Fly to

Kansai Intl

Route

Depart

Return

Price

OntarioOsaka

ONT - KIX

ONTKIX

Ontario

Wed 10/15

8:04 pm-6:45 pm

2 stops30h 41m

Osaka Kansai Intl

Sat 10/25

5:55 pm-9:40 pm

2 stops19h 45m

$825

OntarioOsaka

ONT - KIX

ONTKIX

Ontario

Wed 9/3

6:00 am-2:50 pm

1 stop16h 50m

Osaka Kansai Intl

Thu 9/18

4:50 pm-5:37 pm

1 stop16h 47m

$935

OntarioOsaka

ONT - KIX

ONTKIX

Ontario

Sun 8/31

12:45 am-12:50 pm

1 stop20h 05m

Osaka Kansai Intl

Wed 9/17

2:00 pm-6:00 pm

1 stop20h 00m

$959

OntarioOsaka

ONT - KIX

ONTKIX

Ontario

Sat 8/30

11:45 pm-12:15 pm

1 stop20h 30m

Osaka Kansai Intl

Fri 9/5

3:10 pm-5:05 pm

1 stop17h 55m

$986

OntarioOsaka

ONT - KIX

ONTKIX

Ontario

Tue 9/23

10:09 am-6:45 pm

1 stop16h 36m

Osaka Kansai Intl

Wed 10/8

8:45 pm-8:37 pm

1 stop15h 52m

$1,051

OntarioOsaka

ONT - KIX

ONTKIX

Ontario

Wed 7/2

3:05 pm-11:20 am

2 stops52h 15m

Osaka Kansai Intl

Wed 7/9

9:05 am-10:47 pm

2 stops29h 42m

$1,101

OntarioOsaka

ONT - KIX

ONTKIX

Ontario

Mon 9/1

8:35 am-6:45 pm

1 stop18h 10m

Osaka Kansai Intl

Tue 9/30

8:45 pm-9:10 pm

1 stop16h 25m

$1,105

OntarioOsaka

ONT - KIX

ONTKIX

Ontario

Wed 7/9

6:25 am-9:00 pm

2 stops22h 35m

Osaka Kansai Intl

Sat 7/19

1:25 pm-5:40 pm

1 stop20h 15m

$1,170

OntarioOsaka

ONT - KIX

ONTKIX

Ontario

Sun 10/19

7:25 pm-5:15 pm

2 stops29h 50m

Osaka Kansai Intl

Tue 11/18

6:00 pm-10:44 am

2 stops33h 44m

$1,206

OntarioOsaka

ONT - KIX

ONTKIX

Ontario

Tue 8/26

11:45 pm-11:40 am

2 stops43h 55m

Osaka Kansai Intl

Sun 9/14

7:10 pm-9:29 pm

2 stops42h 19m

$1,615

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/1

Showing 1-10 of 21 results
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Best time to book a flight from Ontario to Kansai Intl

Have a flexible travel schedule? Discover the best time to fly to Kansai Intl from Ontario 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.

Cheapflights Insights

Everything you need to know about your flight from Ontario to Osaka Kansai Intl Airport

What is the cheapest month to book a flight from Ontario to Osaka Kansai Intl Airport?

Currently, February is the cheapest month in which you can book a flight from Ontario to Osaka Kansai Intl Airport (average of $889). Flying from Ontario to Osaka Kansai Intl Airport in December is currently the most expensive (average of $1,334). 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 ONT to KIX?

Find hourly flight availability from Ontario to Kansai Intl. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated June 2, 2025.

Unlike at noon, when flights are generally more expensive, you can save up to 6% on flights from Ontario to Osaka Kansai Intl Airport by exploring options for tickets in the morning.

Rainfall in Kansai Intl by month

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

In terms of precipitation, rainfall in Osaka Kansai Intl Airport ranges from 1.6 - 7.9 inches per month. June is typically the wettest month, when rainfall can reach 7.9 in. January is typically the driest time to visit Osaka Kansai Intl Airport when rainfall is around 1.6 in.

Temperature in Kansai Intl by month

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

If weather is an important factor for your trip to Osaka Kansai Intl Airport, 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 84.2 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 42.8 F).

Reviews of airlines servicing Kansai Intl

Get insights into the airlines that provide service to Kansai Intl. 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 Kansai Intl. Reviews last updated June 2, 2025.
Peruse reviews from past customers who have flown with STARLUX Airlines, EVA Air and Korean Air from Ontario to Osaka to help guide your decision. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
STARLUX Airlines
9.1
Wonderful
175 reviews

Food

8.8

Overall

9.1

Entertainment

8.9

Comfort

9.0

Crew

9.3

Boarding

9.0

Reviews

1 / 6
10.0
Excellent

Anonymous,Apr 2025

KIX - TPE

Very pleasant experience overall, while the main course of the meal could have been better and the movies could have been more recent and with more variety. They offer blindfolds and earplugs, which are a plus.
STARLUX Airlines
9.1
Wonderful
175 reviews
STARLUX Airlines
9.1
Wonderful
175 reviews

Food

8.8

Overall

9.1

Entertainment

8.9

Comfort

9.0

Crew

9.3

Boarding

9.0

Reviews

1 / 6
10.0
Excellent

Anonymous,Apr 2025

KIX - TPE

Very pleasant experience overall, while the main course of the meal could have been better and the movies could have been more recent and with more variety. They offer blindfolds and earplugs, which are a plus.
EVA Air
8.4
Very good
1,198 reviews
STARLUX Airlines
9.1
Wonderful
175 reviews

Food

8.8

Overall

9.1

Entertainment

8.9

Comfort

9.0

Crew

9.3

Boarding

9.0

Reviews

1 / 6
10.0
Excellent

Anonymous,Apr 2025

KIX - TPE

Very pleasant experience overall, while the main course of the meal could have been better and the movies could have been more recent and with more variety. They offer blindfolds and earplugs, which are a plus.
Korean Air
8.4
Very good
1,083 reviews
STARLUX Airlines
9.1
Wonderful
175 reviews

Food

8.8

Overall

9.1

Entertainment

8.9

Comfort

9.0

Crew

9.3

Boarding

9.0

Reviews

1 / 6
10.0
Excellent

Anonymous,Apr 2025

KIX - TPE

Very pleasant experience overall, while the main course of the meal could have been better and the movies could have been more recent and with more variety. They offer blindfolds and earplugs, which are a plus.
Japan Airlines
8.3
Very good
1,482 reviews
STARLUX Airlines
9.1
Wonderful
175 reviews

Food

8.8

Overall

9.1

Entertainment

8.9

Comfort

9.0

Crew

9.3

Boarding

9.0

Reviews

1 / 6
10.0
Excellent

Anonymous,Apr 2025

KIX - TPE

Very pleasant experience overall, while the main course of the meal could have been better and the movies could have been more recent and with more variety. They offer blindfolds and earplugs, which are a plus.
China Airlines
8.3
Very good
735 reviews
STARLUX Airlines
9.1
Wonderful
175 reviews

Food

8.8

Overall

9.1

Entertainment

8.9

Comfort

9.0

Crew

9.3

Boarding

9.0

Reviews

1 / 6
10.0
Excellent

Anonymous,Apr 2025

KIX - TPE

Very pleasant experience overall, while the main course of the meal could have been better and the movies could have been more recent and with more variety. They offer blindfolds and earplugs, which are a plus.

Related info for your journey

Find useful and relevant information for your journey from Ontario to Kansai Intl. 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 from for flights from Ontario to Osaka Kansai Intl?

    Ontario (ONT), located 3.1 mi from the city center, is the airport you fly out of when you book flights from Ontario to Osaka Kansai Intl. 2 airlines have flights from Ontario to Osaka Kansai Intl on a regular basis. Booking flights from Ontario to Osaka Kansai Intl should not be difficult; the airport handles an average of 0 outbound flights to Osaka Kansai Intl per day.

  • What are the cheapest airlines flying from Ontario to Osaka Kansai Intl Airport round-trip?

    American Airlines, at $825, was found to be the cheapest airline from Ontario to Osaka Kansai Intl Airport.Alternate airlines to your destination round-trip include United Airlines and China Airlines. These flights start at 34% lower than the current average price 3 months from now.

  • What are the cheapest airlines to fly from Ontario to Osaka Kansai Intl Airport one-way?

    The cheapest airline one-way is Delta, with whom users have recently found tickets for as low as $404. However, be on the lookout for offers from Korean Air and United Airlines, as they are both options that can get you from Ontario to Osaka Kansai Intl Airport for a low price.

  • Can I find deals for flights from Ontario to Kansai Intl that include hotel bookings?

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

  • How can I find direct flights from Ontario to Kansai Intl?

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

  • Can I find deals for business class flights from Ontario to Kansai Intl?

    Yes. Cheapflights offers flight deals from Ontario to Kansai Intl 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 Ontario to Osaka Kansai Intl Airport?

    Currently, February is the cheapest month in which you can book a flight from Ontario to Osaka Kansai Intl Airport (average of $889). Flying from Ontario to Osaka Kansai Intl Airport in December is currently the most expensive (average of $1,334). 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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Book flights to Ontario if you plan to visit one of these locations
Izumisano
Nara
Nishinomiya
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Alternative routes for Ontario to Kansai Intl

See prices for flight routes from nearby airports that may be better suited for you.
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Top 2 airlines flying from Ontario to Kansai Intl

Discover the top 2 airlines that operate flights from Ontario to Kansai Intl. 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 June 2, 2025.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$826Average$1,087FlexibilityNo cancel feeOn-time69%
China AirlinesCheapest$1,044Average$1,176FlexibilityNo cancel feeOn-time70%

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