What airlines fly to Osaka Kansai Intl Airport?

Japan Airlines, Asiana Airlines and ANA are the top three most popular airlines that fly to Osaka Kansai Intl Airport from Ontario according to our data. Japan Airlines is the first choice among our users, with 69% of people opting to fly with this airline when traveling to Osaka Kansai Intl Airport. Keep in mind that there are 13 different airlines that fly to Osaka Kansai Intl Airport on a routine basis, so you have a few additional options to choose from.

What is the cheapest airline that flies from Ontario to Osaka Kansai Intl?

STARLUX Airlines, Delta, and United Airlines are the most popular carriers operating from Ontario to Osaka Kansai Intl

When did momondo last update prices for flights from Ontario Airport to Osaka Kansai Intl Airport?

Prices for flights from Ontario Airport to Osaka Kansai Intl Airport were last updated today.

How many operators does momondo search for flights from Ontario Airport to Osaka Kansai Intl Airport?

As of October 2026, there are 2 operators available to choose from for flights from Ontario Airport to Osaka Kansai Intl Airport.

How old do you have to be to fly from Ontario Airport to Osaka Kansai Intl Airport?

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 Osaka Kansai Intl Airport.

What documentation or ID do you need to fly to Osaka Kansai Intl Airport?

The travel and health documents required for your trip to Osaka Kansai Intl Airport can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Osaka Kansai Intl Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

$503 Cheap Flights from Ontario to Osaka Kansai Intl Airport in 2026/27

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from Ontario to Osaka

Round-trip

One-way

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Cheap round-trip flights

Enter your travel dates to find the best prices.

7:00 am - 8:45 pmONT Ontario-KIX Osaka Kansai Intl

20h 45m2 stops Seattle/Tacoma Intl Incheon Intl

2:00 pm - 4:12 pmKIX Osaka Kansai Intl-ONT Ontario

19h 12m2 stops Incheon Intl Salt Lake City

$903Delta

Tue, Jan 12 - Fri, Jan 22

7:00 am - 8:45 pmONT Ontario-KIX Osaka Kansai Intl

20h 45m2 stops Seattle/Tacoma Intl Incheon Intl

11:55 am - 10:43 pmKIX Osaka Kansai Intl-ONT Ontario

27h 48m2 stops Incheon Intl Seattle/Tacoma Intl

$903Delta

Wed, Jan 13 - Wed, Jan 20

7:00 am - 8:45 pmONT Ontario-KIX Osaka Kansai Intl

20h 45m2 stops Seattle/Tacoma Intl Incheon Intl

2:00 pm - 4:12 pmKIX Osaka Kansai Intl-ONT Ontario

19h 12m2 stops Incheon Intl Salt Lake City

$903Delta

Wed, Jan 13 - Fri, Jan 22

7:00 am - 8:45 pmONT Ontario-KIX Osaka Kansai Intl

20h 45m2 stops Seattle/Tacoma Intl Incheon Intl

11:55 am - 10:43 pmKIX Osaka Kansai Intl-ONT Ontario

27h 48m2 stops Incheon Intl Seattle/Tacoma Intl

$903Delta

Tue, Jan 12 - Wed, Jan 20

11:50 pm - 11:35 amONT Ontario-KIX Osaka Kansai Intl

19h 45m1 stop Taipei City Taiwan Taoyuan Intl

2:30 pm - 6:05 pmKIX Osaka Kansai Intl-ONT Ontario

19h 35m1 stop Taipei City Taiwan Taoyuan Intl

$1,119China Airlines

Sun, Mar 21 - Sat, Mar 27

10:50 pm - 11:35 amONT Ontario-KIX Osaka Kansai Intl

19h 45m1 stop Taipei City Taiwan Taoyuan Intl

2:30 pm - 6:05 pmKIX Osaka Kansai Intl-ONT Ontario

19h 35m1 stop Taipei City Taiwan Taoyuan Intl

$1,119China Airlines

Wed, Mar 3 - Wed, Mar 17

11:50 pm - 11:35 amONT Ontario-KIX Osaka Kansai Intl

19h 45m1 stop Taipei City Taiwan Taoyuan Intl

2:30 pm - 6:05 pmKIX Osaka Kansai Intl-ONT Ontario

19h 35m1 stop Taipei City Taiwan Taoyuan Intl

$1,119China Airlines

Fri, Mar 19 - Sat, Mar 27

9:45 pm - 11:10 amONT Ontario-KIX Osaka Kansai Intl

20h 25m1 stop Taipei City Taiwan Taoyuan Intl

2:00 pm - 3:55 pmKIX Osaka Kansai Intl-ONT Ontario

18h 55m1 stop Taipei City Taiwan Taoyuan Intl

$1,125STARLUX Airlines

Tue, Jan 5 - Tue, Jan 19

11:10 pm - 12:15 pmONT Ontario-KIX Osaka Kansai Intl

21h 05m1 stop Taipei City Taiwan Taoyuan Intl

3:10 pm - 5:05 pmKIX Osaka Kansai Intl-ONT Ontario

17h 55m1 stop Taipei City Taiwan Taoyuan Intl

$1,125STARLUX Airlines

Mon, Apr 12 - Mon, Apr 19

11:10 pm - 12:15 pmONT Ontario-KIX Osaka Kansai Intl

21h 05m1 stop Taipei City Taiwan Taoyuan Intl

3:10 pm - 5:05 pmKIX Osaka Kansai Intl-ONT Ontario

17h 55m1 stop Taipei City Taiwan Taoyuan Intl

$1,125STARLUX Airlines

Wed, Apr 14 - Sat, Apr 24

Cheap last minute flights

Enter your travel dates to find the best prices.

10:45 pm - 11:10 amONT Ontario-KIX Osaka Kansai Intl

20h 25m1 stop Taipei City Taiwan Taoyuan Intl

2:00 pm - 3:55 pmKIX Osaka Kansai Intl-ONT Ontario

18h 55m1 stop Taipei City Taiwan Taoyuan Intl

$1,137STARLUX Airlines

Wed, Oct 28 - Wed, Nov 4

10:45 pm - 12:50 pmONT Ontario-KIX Osaka Kansai Intl

22h 05m1 stop Taipei City Taiwan Taoyuan Intl

12:20 pm - 3:55 pmKIX Osaka Kansai Intl-ONT Ontario

20h 35m1 stop Taipei City Taiwan Taoyuan Intl

$1,137STARLUX Airlines

Wed, Oct 28 - Wed, Nov 4

11:50 pm - 11:35 amONT Ontario-KIX Osaka Kansai Intl

19h 45m1 stop Taipei City Taiwan Taoyuan Intl

2:30 pm - 5:05 pmKIX Osaka Kansai Intl-ONT Ontario

19h 35m1 stop Taipei City Taiwan Taoyuan Intl

$1,162China Airlines

Thu, Oct 29 - Tue, Nov 3

10:45 pm - 11:10 amONT Ontario-KIX Osaka Kansai Intl

20h 25m1 stop Taipei City Taiwan Taoyuan Intl

2:00 pm - 3:55 pmKIX Osaka Kansai Intl-ONT Ontario

18h 55m1 stop Taipei City Taiwan Taoyuan Intl

$1,164STARLUX Airlines

Wed, Oct 28 - Wed, Nov 4

11:50 pm - 11:35 amONT Ontario-KIX Osaka Kansai Intl

19h 45m1 stop Taipei City Taiwan Taoyuan Intl

2:30 pm - 5:05 pmKIX Osaka Kansai Intl-ONT Ontario

19h 35m1 stop Taipei City Taiwan Taoyuan Intl

$1,176China Airlines

Sat, Oct 31 - Sat, Nov 7

11:50 pm - 11:35 amONT Ontario-KIX Osaka Kansai Intl

19h 45m1 stop Taipei City Taiwan Taoyuan Intl

12:45 pm - 5:05 pmKIX Osaka Kansai Intl-ONT Ontario

21h 20m1 stop Taipei City Taiwan Taoyuan Intl

$1,192China Airlines

Fri, Oct 30 - Fri, Nov 6

6:00 am - 4:45 pmONT Ontario-KIX Osaka Kansai Intl

18h 45m1 stop San Francisco

6:35 pm - 3:33 pmKIX Osaka Kansai Intl-ONT Ontario

13h 58m1 stop San Francisco

$1,226United Airlines

Mon, Oct 26 - Mon, Nov 2

6:00 am - 4:45 pmONT Ontario-KIX Osaka Kansai Intl

18h 45m1 stop San Francisco

6:35 pm - 3:33 pmKIX Osaka Kansai Intl-ONT Ontario

13h 58m1 stop San Francisco

$1,229ANA

Tue, Oct 27 - Tue, Nov 3

9:25 am - 4:45 pmONT Ontario-KIX Osaka Kansai Intl

15h 20m1 stop San Francisco

6:35 pm - 3:33 pmKIX Osaka Kansai Intl-ONT Ontario

13h 58m1 stop San Francisco

$1,229ANA

Tue, Oct 27 - Thu, Nov 5

10:45 pm - 11:10 amONT Ontario-KIX Osaka Kansai Intl

20h 25m1 stop Taipei City Taiwan Taoyuan Intl

12:20 pm - 3:55 pmKIX Osaka Kansai Intl-ONT Ontario

20h 35m1 stop Taipei City Taiwan Taoyuan Intl

$1,280STARLUX Airlines

Wed, Oct 28 - Sat, Nov 21

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Delta flights from Ontario to Osaka Kansai Intl Airport

Our best Delta deals on Ontario to Osaka Kansai Intl Airport flight tickets

Delta

Jan 12

ONT7:00 amOntario

20h 45m

2 stops

KIX8:45 pmOsaka Kansai Intl

Jan 20

KIX11:55 amOsaka Kansai Intl

27h 48m

2 stops

ONT10:43 pmOntario

$903

Delta

Dec 7

ONT6:00 amOntario

23h 40m

2 stops

KIX10:40 pmOsaka Kansai Intl

Dec 16

KIX11:55 amOsaka Kansai Intl

28h 04m

2 stops

ONT10:59 pmOntario

$907

Delta

Dec 6

ONT6:00 amOntario

23h 40m

2 stops

KIX10:40 pmOsaka Kansai Intl

Dec 13

KIX2:00 pmOsaka Kansai Intl

19h 22m

2 stops

ONT4:22 pmOntario

$957

United Airlines flights from Ontario to Osaka Kansai Intl Airport

Our best United Airlines deals on Ontario to Osaka Kansai Intl Airport flight tickets

United Airlines

Nov 23

ONT6:00 amOntario

17h 45m

1 stop

KIX4:45 pmOsaka Kansai Intl

Dec 9

KIX6:35 pmOsaka Kansai Intl

14h 00m

1 stop

ONT3:35 pmOntario

$906

United Airlines

Nov 23

ONT6:00 amOntario

17h 45m

1 stop

KIX4:45 pmOsaka Kansai Intl

Dec 9

KIX6:35 pmOsaka Kansai Intl

14h 00m

1 stop

ONT3:35 pmOntario

$908

United Airlines

Mar 1

ONT6:00 amOntario

17h 45m

1 stop

KIX4:45 pmOsaka Kansai Intl

Mar 4

KIX6:35 pmOsaka Kansai Intl

13h 52m

1 stop

ONT3:27 pmOntario

$917

momondo Fare Finder

Use the filters below to find and compare flights from Ontario to Osaka Kansai Intl Airport that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

OntarioOsaka

ONT Ontario - KIX Osaka Kansai Intl

ONTKIX

Ontario

Tue 1/12

7:00 am-8:45 pm

2 stops20h 45m

Osaka Kansai Intl

Fri 1/22

2:00 pm-4:12 pm

2 stops19h 12m

$903

OntarioOsaka

ONT Ontario - KIX Osaka Kansai Intl

ONTKIX

Ontario

Wed 1/13

7:00 am-8:45 pm

2 stops20h 45m

Osaka Kansai Intl

Wed 1/20

11:55 am-10:43 pm

2 stops27h 48m

$903

OntarioOsaka

ONT Ontario - KIX Osaka Kansai Intl

ONTKIX

Ontario

Wed 1/13

7:00 am-8:45 pm

2 stops20h 45m

Osaka Kansai Intl

Fri 1/22

2:00 pm-4:12 pm

2 stops19h 12m

$903

OntarioOsaka

ONT Ontario - KIX Osaka Kansai Intl

ONTKIX

Ontario

Tue 1/12

7:00 am-8:45 pm

2 stops20h 45m

Osaka Kansai Intl

Wed 1/20

11:55 am-10:43 pm

2 stops27h 48m

$903

OntarioOsaka

ONT Ontario - KIX Osaka Kansai Intl

ONTKIX

Ontario

Sun 3/21

11:50 pm-11:35 am

1 stop19h 45m

Osaka Kansai Intl

Sat 3/27

2:30 pm-6:05 pm

1 stop19h 35m

$1,119

OntarioOsaka

ONT Ontario - KIX Osaka Kansai Intl

ONTKIX

Ontario

Wed 3/3

10:50 pm-11:35 am

1 stop19h 45m

Osaka Kansai Intl

Wed 3/17

2:30 pm-6:05 pm

1 stop19h 35m

$1,119

OntarioOsaka

ONT Ontario - KIX Osaka Kansai Intl

ONTKIX

Ontario

Fri 3/19

11:50 pm-11:35 am

1 stop19h 45m

Osaka Kansai Intl

Sat 3/27

2:30 pm-6:05 pm

1 stop19h 35m

$1,119

OntarioOsaka

ONT Ontario - KIX Osaka Kansai Intl

ONTKIX

Ontario

Tue 1/5

9:45 pm-11:10 am

1 stop20h 25m

Osaka Kansai Intl

Tue 1/19

2:00 pm-3:55 pm

1 stop18h 55m

$1,125

Quickest round-trip

OntarioOsaka

ONT Ontario - KIX Osaka Kansai Intl

ONTKIX

Ontario

Mon 4/12

11:10 pm-12:15 pm

1 stop21h 05m

Osaka Kansai Intl

Mon 4/19

3:10 pm-5:05 pm

1 stop17h 55m

$1,125

OntarioOsaka

ONT Ontario - KIX Osaka Kansai Intl

ONTKIX

Ontario

Wed 4/14

11:10 pm-12:15 pm

1 stop21h 05m

Osaka Kansai Intl

Sat 4/24

3:10 pm-5:05 pm

1 stop17h 55m

$1,125

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 Osaka Kansai Intl Airport

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 Osaka Kansai Intl Airport?

The cheapest day to depart from Ontario to Osaka Kansai Intl Airport is on a Tuesday. Travelers who choose to depart for Osaka Kansai Intl Airport on a Tuesday will often find tickets for as low as $1,026. Flights from Ontario to Osaka Kansai Intl Airport on a Saturday will generally be more expensive and average around $1,237. Keep in mind that these prices on both days could fluctuate depending on the season and the demand.

What is the cheapest time of day to depart on your flight to Osaka Kansai Intl Airport?

Our data shows that the cheapest Ontario to Osaka Kansai Intl Airport flights are usually those with departure times at noon. Our users have found flights to Osaka Kansai Intl Airport at noon for as low as $1,055. If you have a flexible travel schedule, then try to avoid flying in the afternoon when prices are $1,215 on average. Flights to Osaka Kansai Intl Airport from Ontario in the afternoon are generally more expensive because this time of day is more convenient for travelers’ schedules.

When to book flights from Ontario to Osaka Kansai Intl Airport

Are you open to changing your travel dates? Check out the ideal times to fly from Ontario to Osaka Kansai Intl Airport according to our flight data. Find out which month and days have the cheapest flights.

Estimated round-trip price

Cheap Ontario to Osaka Kansai Intl Airport (ONT to KIX) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Ontario to Osaka Kansai Intl Airport

Best Price Found	$503
Fastest flight time	16h 20m
Direct flights	None

The best one-way flight to Osaka Kansai Intl Airport from Ontario in the past 72 hours is $503. The best round-trip flight deal from Ontario to Osaka Kansai Intl Airport found on momondo in the last 72 hours is $903.

The fastest flight from Ontario to Osaka Kansai Intl Airport takes 16h 20m

There are no direct flights from Ontario to Osaka Kansai Intl Airport. There are no popular flight routes from Ontario to Osaka Kansai Intl Airport.

Search flight deals

Frequently asked questions about flying from Ontario to Osaka Kansai Intl Airport

How far is Ontario to Osaka Kansai Intl by plane?
Ontario and Osaka Kansai Intl are 5755.8 mi apart from one another. A reasonable flight in good conditions will take 16h 20m.
When did momondo last update prices for flights from Ontario Airport to Osaka Kansai Intl Airport?
Prices for flights from Ontario Airport to Osaka Kansai Intl Airport were last updated today.
How many operators does momondo search for flights from Ontario Airport to Osaka Kansai Intl Airport?
As of October 2026, there are 2 operators available to choose from for flights from Ontario Airport to Osaka Kansai Intl Airport.
How old do you have to be to fly from Ontario Airport to Osaka Kansai Intl Airport?
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 Osaka Kansai Intl Airport.
What documentation or ID do you need to fly to Osaka Kansai Intl Airport?
The travel and health documents required for your trip to Osaka Kansai Intl Airport can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Osaka Kansai Intl Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.
What is the most popular airline from Ontario to Osaka Kansai Intl Airport?
momondo data reveals that the most frequently booked airline on the route from Ontario to Osaka Kansai Intl Airport is China Airlines, representing 53% of all bookings. The subsequent popular airline is STARLUX Airlines at 47%.

Best airlines flying from Ontario to Osaka Kansai Intl Airport

Compare and see reviews for airlines that fly from Ontario to Osaka Kansai Intl Airport with momondo

Airline	Rating	Free Cancellation	Price
China Airlines	PriceFrom $913	Free Cancellation	Rating 8.3 853 reviews		Search China Airlines flights
STARLUX Airlines	PriceFrom $1,056	Free Cancellation	Rating 8.7 403 reviews		Search STARLUX Airlines flights

Nara

Izumisano

Himeji

Nishinomiya

Why use momondo?

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

We help find the flight that best suits your needs, momondo compares prices from hundreds of airlines and travel agents and helps you filter them to find the best flight from Ontario to Osaka for you.

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

Yes. All flights to Osaka from Ontario on momondo can be compared and filtered by various policies on offer, including flexible booking.

How can momondo help me find flights from Ontario to Osaka?

Once you have performed a search for Ontario to Osaka flights, momondo helps you find the right one by offering useful filters to narrow down your flight selection. Flights can be filtered by multiple factors such as airline, airport and price; but also by other criteria like aircraft type and payment method.

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

If you are simply researching potential flights to Osaka, momondo offers a useful price alert feature which will track prices for flights to Osaka from Ontario and alert you when they change.

An easier way to manage your Osaka Kansai Intl Airport trip

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Cheap flights from Ontario to Osaka from $503

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 Osaka departing on 2/17. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.

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Delta flights from Ontario to Osaka Kansai Intl Airport

Our best Delta deals on Ontario to Osaka Kansai Intl Airport flight tickets

United Airlines flights from Ontario to Osaka Kansai Intl Airport

Our best United Airlines deals on Ontario to Osaka Kansai Intl Airport flight tickets

momondo Fare Finder

Use the filters below to find and compare flights from Ontario to Osaka Kansai Intl Airport that are best for you.

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How to get the cheapest flight ticket from Ontario to Osaka Kansai Intl Airport

What is the cheapest day to depart on your flight to Osaka Kansai Intl Airport?

What is the cheapest time of day to depart on your flight to Osaka Kansai Intl Airport?

What is the cheapest airline that flies from Ontario to Osaka Kansai Intl?

What airlines fly to Osaka Kansai Intl Airport?

When to book flights from Ontario to Osaka Kansai Intl Airport

Cheap Ontario to Osaka Kansai Intl Airport (ONT to KIX) flight deals and tips

Best Price Found

Fastest flight time

Direct flights

Frequently asked questions about flying from Ontario to Osaka Kansai Intl Airport

Best airlines flying from Ontario to Osaka Kansai Intl Airport

Compare and see reviews for airlines that fly from Ontario to Osaka Kansai Intl Airport with momondo

Traveling to a place near Osaka?

Why use momondo?

An easier way to manage your Osaka Kansai Intl Airport 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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Daily price changes in your inbox - only with Price Alerts.

Find better results for your trip to Osaka

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According to popular flight searches on momondo this year

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Fly your favorite airline to Osaka

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

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