What airlines fly to Osaka?

Japan Airlines, ANA and Asiana Airlines are the top three most popular airlines that fly to Osaka from Ontario according to our data. Japan Airlines is the first choice among our users, with 66% of people opting to fly with this airline when traveling to Osaka. Keep in mind that there are 13 different airlines that fly to Osaka 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?

STARLUX Airlines, Delta, and China Airlines are the most popular carriers operating from Ontario to Osaka

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

Prices for flights from Ontario Airport to Osaka are updated daily.

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

As of September 2026, there is 1 operator available to choose from for flights from Ontario Airport to Osaka.

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

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.

What documentation or ID do you need to fly to Osaka?

The necessary travel and health documents for your Osaka 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.

$395 Cheap Flights from Ontario to Osaka in 2026/27

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from Ontario to Osaka

Round-trip

One-way

Last minute

Cheap round-trip flights

Enter your travel dates to find the best prices.

9:45 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

$763STARLUX Airlines

Tue, Mar 2 - Mon, Mar 8

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

$776STARLUX Airlines

Sat, Jan 9 - Mon, Jan 18

9:45 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

$776STARLUX Airlines

Fri, Jan 8 - Mon, Jan 18

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

$777STARLUX Airlines

Tue, Feb 2 - Tue, Feb 23

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

$779STARLUX Airlines

Mon, Jan 11 - Mon, Jan 25

9:45 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

$779STARLUX Airlines

Sat, Jan 16 - Fri, Jan 22

9:45 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

$779STARLUX Airlines

Fri, Jan 22 - Mon, Jan 25

9:45 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

$779STARLUX Airlines

Fri, Feb 5 - Tue, Feb 16

10:50 pm - 1:20 pmONT Ontario-KIX Osaka Kansai Intl

21h 30m1 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

$921China Airlines

Wed, Mar 3 - Tue, Mar 16

10:50 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

$921China Airlines

Fri, Feb 5 - Fri, Feb 19

Cheap last minute flights

Enter your travel dates to find the best prices.

6:08 am - 2:50 pmONT Ontario-KIX Osaka Kansai Intl

16h 42m1 stop San Francisco

4:55 pm - 3:22 pmKIX Osaka Kansai Intl-ONT Ontario

14h 27m1 stop San Francisco

$939United Airlines

Mon, Sep 21 - Wed, Sep 30

6:08 am - 2:50 pmONT Ontario-KIX Osaka Kansai Intl

16h 42m1 stop San Francisco

4:55 pm - 8:58 pmKIX Osaka Kansai Intl-ONT Ontario

20h 03m2 stops San Francisco Denver Intl

$944United Airlines

Mon, Sep 21 - Wed, Sep 30

6:08 am - 2:50 pmONT Ontario-KIX Osaka Kansai Intl

16h 42m1 stop San Francisco

4:55 pm - 3:22 pmKIX Osaka Kansai Intl-ONT Ontario

14h 27m1 stop San Francisco

$963United Airlines

Sat, Sep 19 - Fri, Oct 2

6:08 am - 2:50 pmONT Ontario-KIX Osaka Kansai Intl

16h 42m1 stop San Francisco

4:55 pm - 3:22 pmKIX Osaka Kansai Intl-ONT Ontario

14h 27m1 stop San Francisco

$965United Airlines

Sat, Sep 19 - Fri, Oct 2

6:08 am - 2:50 pmONT Ontario-KIX Osaka Kansai Intl

16h 42m1 stop San Francisco

4:55 pm - 3:22 pmKIX Osaka Kansai Intl-ONT Ontario

14h 27m1 stop San Francisco

$976United Airlines

Mon, Sep 21 - Mon, Oct 5

12:10 am - 12:00 pmONT Ontario-KIX Osaka Kansai Intl

19h 50m1 stop Taipei City Taiwan Taoyuan Intl

2:00 pm - 6:00 pmKIX Osaka Kansai Intl-ONT Ontario

20h 00m1 stop Taipei City Taiwan Taoyuan Intl

$981China Airlines

Fri, Sep 18 - Sat, Sep 26

6:08 am - 2:50 pmONT Ontario-KIX Osaka Kansai Intl

16h 42m1 stop San Francisco

4:55 pm - 8:58 pmKIX Osaka Kansai Intl-ONT Ontario

20h 03m2 stops San Francisco Denver Intl

$981United Airlines

Mon, Sep 21 - Mon, Oct 5

12:10 am - 12:00 pmONT Ontario-KIX Osaka Kansai Intl

19h 50m1 stop Taipei City Taiwan Taoyuan Intl

2:00 pm - 6:00 pmKIX Osaka Kansai Intl-ONT Ontario

20h 00m1 stop Taipei City Taiwan Taoyuan Intl

$1,008China Airlines

Sat, Sep 19 - Sun, Sep 27

12:10 am - 12:50 pmONT Ontario-KIX Osaka Kansai Intl

20h 40m1 stop Taipei City Taiwan Taoyuan Intl

1:10 pm - 6:00 pmKIX Osaka Kansai Intl-ONT Ontario

20h 50m1 stop Taipei City Taiwan Taoyuan Intl

$1,008China Airlines

Sat, Sep 19 - Tue, Sep 22

11:30 pm - 12:15 pmONT Ontario-KIX Osaka Kansai Intl

20h 45m1 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

$1,025STARLUX Airlines

Mon, Sep 21 - Wed, Sep 23

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STARLUX Airlines flights from Ontario to Osaka

Our best STARLUX Airlines deals on Ontario to Osaka flight tickets

STARLUX Airlines

Mar 2

ONT9:45 pmOntario

22h 05m

1 stop

KIX12:50 pmOsaka Kansai Intl

Mar 8

KIX12:20 pmOsaka Kansai Intl

20h 35m

1 stop

ONT3:55 pmOntario

$763

STARLUX Airlines

Jan 8

ONT9:45 pmOntario

22h 05m

1 stop

KIX12:50 pmOsaka Kansai Intl

Jan 18

KIX12:20 pmOsaka Kansai Intl

20h 35m

1 stop

ONT3:55 pmOntario

$776

STARLUX Airlines

Feb 2

ONT9:45 pmOntario

20h 25m

1 stop

KIX11:10 amOsaka Kansai Intl

Feb 23

KIX2:00 pmOsaka Kansai Intl

18h 55m

1 stop

ONT3:55 pmOntario

$777

China Airlines flights from Ontario to Osaka

Our best China Airlines deals on Ontario to Osaka flight tickets

China Airlines

Feb 5

ONT10:50 pmOntario

19h 45m

1 stop

KIX11:35 amOsaka Kansai Intl

Feb 19

KIX12:45 pmOsaka Kansai Intl

21h 20m

1 stop

ONT5:05 pmOntario

$921

China Airlines

Mar 7

ONT10:50 pmOntario

21h 30m

1 stop

KIX1:20 pmOsaka Kansai Intl

Mar 12

KIX12:45 pmOsaka Kansai Intl

21h 20m

1 stop

ONT5:05 pmOntario

$930

China Airlines

Feb 8

ONT10:50 pmOntario

26h 00m

1 stop

KIX5:50 pmOsaka Kansai Intl

Feb 18

KIX12:45 pmOsaka Kansai Intl

21h 20m

1 stop

ONT5:05 pmOntario

$941

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

OntarioOsaka

ONT Ontario - KIX Osaka Kansai Intl

ONTKIX

Ontario

Tue 3/2

9:45 pm-12:50 pm

1 stop22h 05m

Osaka Kansai Intl

Mon 3/8

12:20 pm-3:55 pm

1 stop20h 35m

$763

Quickest round-trip

OntarioOsaka

ONT Ontario - KIX Osaka Kansai Intl

ONTKIX

Ontario

Sat 1/9

9:45 pm-11:10 am

1 stop20h 25m

Osaka Kansai Intl

Mon 1/18

2:00 pm-3:55 pm

1 stop18h 55m

$776

OntarioOsaka

ONT Ontario - KIX Osaka Kansai Intl

ONTKIX

Ontario

Fri 1/8

9:45 pm-12:50 pm

1 stop22h 05m

Osaka Kansai Intl

Mon 1/18

12:20 pm-3:55 pm

1 stop20h 35m

$776

OntarioOsaka

ONT Ontario - KIX Osaka Kansai Intl

ONTKIX

Ontario

Tue 2/2

9:45 pm-11:10 am

1 stop20h 25m

Osaka Kansai Intl

Tue 2/23

2:00 pm-3:55 pm

1 stop18h 55m

$777

OntarioOsaka

ONT Ontario - KIX Osaka Kansai Intl

ONTKIX

Ontario

Mon 1/11

9:45 pm-11:10 am

1 stop20h 25m

Osaka Kansai Intl

Mon 1/25

2:00 pm-3:55 pm

1 stop18h 55m

$779

OntarioOsaka

ONT Ontario - KIX Osaka Kansai Intl

ONTKIX

Ontario

Sat 1/16

9:45 pm-12:50 pm

1 stop22h 05m

Osaka Kansai Intl

Fri 1/22

12:20 pm-3:55 pm

1 stop20h 35m

$779

OntarioOsaka

ONT Ontario - KIX Osaka Kansai Intl

ONTKIX

Ontario

Fri 1/22

9:45 pm-12:50 pm

1 stop22h 05m

Osaka Kansai Intl

Mon 1/25

12:20 pm-3:55 pm

1 stop20h 35m

$779

OntarioOsaka

ONT Ontario - KIX Osaka Kansai Intl

ONTKIX

Ontario

Fri 2/5

9:45 pm-11:10 am

1 stop20h 25m

Osaka Kansai Intl

Tue 2/16

12:20 pm-3:55 pm

1 stop20h 35m

$779

OntarioOsaka

ONT Ontario - KIX Osaka Kansai Intl

ONTKIX

Ontario

Wed 3/3

10:50 pm-1:20 pm

1 stop21h 30m

Osaka Kansai Intl

Tue 3/16

2:30 pm-6:05 pm

1 stop19h 35m

$921

OntarioOsaka

ONT Ontario - KIX Osaka Kansai Intl

ONTKIX

Ontario

Fri 2/5

10:50 pm-11:35 am

1 stop19h 45m

Osaka Kansai Intl

Fri 2/19

12:45 pm-5:05 pm

1 stop21h 20m

$921

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

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?

According to our data, Tuesday is the cheapest day to fly to Osaka from Ontario. The lowest ticket price found for a Tuesday departure recently was $811. Keep in mind that prices can always vary depending on your route and whether or not you are flying domestic or international. When flying out on a Saturday, the most expensive travel day of the week, you can expect to see flight prices from Ontario to Osaka for around $1,204.

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

Our data shows that the cheapest Ontario to Osaka flights are usually those with departure times at noon. Our users have found flights to Osaka at noon for as low as $981. Flights to Osaka are more costly in the afternoon, with an average ticket price of $1,193. Departure times in the afternoon fall within the peak daily travel times, which is why tickets can be more expensive.

When to book flights from Ontario to Osaka

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

Estimated round-trip price

Cheap Ontario to Osaka (ONT to OSA) flight deals and tips

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

Best Price Found	$395
Fastest flight time	16h 42m
Direct flights	None

The best one-way flight to Osaka from Ontario in the past 72 hours is $395. The best round-trip flight deal from Ontario to Osaka found on momondo in the last 72 hours is $763.

The fastest flight from Ontario to Osaka takes 16h 42m

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

Search flight deals

Frequently asked questions about flying from Ontario to Osaka

How far is Ontario to Osaka by plane?
The straight-line distance from Ontario to Osaka is 5733.7 mi. 16h 42m is a normal flight duration for this route.
When did momondo last update prices for flights from Ontario Airport to Osaka?
Prices for flights from Ontario Airport to Osaka are updated daily.
How many operators does momondo search for flights from Ontario Airport to Osaka?
As of September 2026, there is 1 operator available to choose from for flights from Ontario Airport to Osaka.
How old do you have to be to fly from Ontario Airport to Osaka?
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.
What documentation or ID do you need to fly to Osaka?
The necessary travel and health documents for your Osaka 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.
What is the most popular airline from Ontario to Osaka?
Based on momondo bookings for this flight route, the most popular airline on flight routes from Ontario to Osaka is China Airlines (100% of total bookings).

Best airlines flying from Ontario to Osaka

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

Airline	Rating	Free Cancellation	Price
China Airlines	PriceFrom $1,139	Free Cancellation	Rating 8.3 847 reviews		Search China Airlines flights

Nara

Nishinomiya

Why use momondo?

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

momondo collates all your flight options in one place and lets you filter them to find the perfect flight from Ontario to Osaka. momondo saves you time and could save you money on your trip.

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

Yes. momondo allows you to filter the results for Ontario to Osaka flights to just show those with flexible booking policies.

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

momondo offers useful filters to help you find the right flight. Choose specific flight times, airports or even what payment method you prefer. We have numerous options to help you book your ideal flight from Ontario to Osaka.

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

Price alerts on flights to Osaka from Ontario are quick and easy to set up on momondo. Simply perform a search and select the price alert feature. It is as simple as that.

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Fly into one of these airports located in Osaka

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Cheap flights from Ontario to Osaka from $395

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 1/6. 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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STARLUX Airlines flights from Ontario to Osaka

Our best STARLUX Airlines deals on Ontario to Osaka flight tickets

China Airlines flights from Ontario to Osaka

Our best China Airlines deals on Ontario to Osaka flight tickets

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How to get the cheapest flight ticket from Ontario to Osaka

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

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

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

What airlines fly to Osaka?

When to book flights from Ontario to Osaka

Cheap Ontario to Osaka (ONT to OSA) flight deals and tips

Best Price Found

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Direct flights

Frequently asked questions about flying from Ontario to Osaka

Best airlines flying from Ontario to Osaka

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

Traveling to a place near Osaka?

Why use momondo?

An easier way to manage your Osaka 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 Japan

Fly into one of these airports located in Osaka

Airports listed have a maximum distance of 22.5 mi from Osaka

Fly your favorite airline to Osaka

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

Cabin classes currently available on flights to Osaka

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

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According to popular flight searches on momondo this year

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