Which airport is the most popular layover for flights between Ontario and Osaka?

Taipei City (TPE) was the most common stop: 86% of momondo users choosing 1-stop flights on this route connected there.

Which layover airport offers the lowest fares from Ontario to Osaka?

Flights via Honolulu (HNL) offer the lowest average round-trip price of $1,337.

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

Alaska Airlines and United Airlines are the most popular carriers operating from Ontario to Osaka

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 62% of people opting to fly with this airline when traveling to Osaka. Keep in mind that there are 12 different airlines that fly to Osaka on a routine basis, so you have a few additional options to choose from.

Which layover airport has the shortest travel time from Ontario to Osaka?

Flights connecting via San Francisco (SFO) have the shortest average one-way travel time: 16h 18m.

Which layover airport has the shortest connection time from Ontario to Osaka?

San Francisco (SFO) has the shortest average layover time for this route: 2h 36m.

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 November 2025, there are 2 operators 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.

$391 Cheap Flights from Ontario to Osaka in 2025/26

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7:50 am - 6:45 pmONT-KIX

17h 55m1 stop

8:45 pm - 8:31 pmKIX-ONT

16h 46m1 stop

$733Alaska Airlines

Find Deal

Tue, Nov 25 - Mon, Dec 1

7:00 am - 8:40 amONT-ITM

32h 40m2 stops

1:40 pm - 6:18 pmITM-ONT

21h 38m2 stops

$759American Airlines

Find Deal

Wed, Dec 3 - Thu, Dec 11

6:00 am - 4:40 pmONT-KIX

17h 40m1 stop

8:20 am - 12:38 pmKIX-ONT

21h 18m2 stops

$779United Airlines

Find Deal

Thu, Feb 12 - Thu, Feb 19

6:00 am - 4:40 pmONT-KIX

17h 40m1 stop

6:35 pm - 10:49 pmKIX-ONT

21h 14m1 stop

$803United Airlines

Find Deal

Wed, Dec 3 - Tue, Dec 16

6:00 am - 4:40 pmONT-KIX

17h 40m1 stop

6:35 pm - 8:42 pmKIX-ONT

19h 07m2 stops

$808United Airlines

Find Deal

Wed, Dec 3 - Tue, Dec 16

6:32 pm - 4:40 pmONT-KIX

29h 08m1 stop

11:20 am - 5:43 pmKIX-ONT

47h 23m3 stops

$810United Airlines

Find Deal

Sat, Jan 10 - Sat, Jan 17

6:00 am - 4:40 pmONT-KIX

17h 40m1 stop

6:35 pm - 5:43 pmKIX-ONT

16h 08m1 stop

$815United Airlines

Find Deal

Thu, Jan 15 - Sun, Jan 25

1:24 pm - 4:40 pmONT-KIX

34h 16m2 stops

11:20 am - 5:43 pmKIX-ONT

47h 23m3 stops

$817United Airlines

Find Deal

Sat, Jan 10 - Sat, Jan 17

8:41 am - 6:45 pmONT-KIX

17h 04m1 stop

8:45 pm - 10:15 pmKIX-ONT

18h 30m1 stop

$825Alaska Airlines

Find Deal

Mon, Feb 16 - Mon, Feb 23

6:00 am - 8:05 pmONT-ITM

21h 05m2 stops

2:40 pm - 6:33 pmITM-ONT

20h 53m2 stops

$1,000Japan Airlines

Find Deal

Sun, Dec 7 - Tue, Dec 16

Alaska Airlines flights from Ontario to Osaka

Our best Alaska Airlines deals on Ontario to Osaka flight tickets

Alaska Airlines

Feb 25

ONT8:41 amOntario

17h 04m

1 stop

KIX6:45 pmOsaka Kansai Intl

Mar 11

KIX8:45 pmOsaka Kansai Intl

16h 10m

1 stop

ONT8:55 pmOntario

$691

Find similar

Alaska Airlines

Feb 16

ONT8:41 amOntario

17h 04m

1 stop

KIX6:45 pmOsaka Kansai Intl

Feb 23

KIX8:45 pmOsaka Kansai Intl

18h 30m

1 stop

ONT10:15 pmOntario

$825

Find similar

Alaska Airlines

Nov 28

ONT7:50 amOntario

17h 55m

1 stop

KIX6:45 pmOsaka Kansai Intl

Dec 8

KIX8:45 pmOsaka Kansai Intl

16h 38m

1 stop

ONT8:23 pmOntario

$827

Find similar

American Airlines flights from Ontario to Osaka

Our best American Airlines deals on Ontario to Osaka flight tickets

American Airlines

Dec 3

ONT7:00 amOntario

32h 40m

2 stops

ITM8:40 amOsaka Itami

Dec 11

ITM1:40 pmOsaka Itami

21h 38m

2 stops

ONT6:18 pmOntario

$759

Find similar

American Airlines

Dec 1

ONT7:30 pmOntario

30h 20m

2 stops

KIX6:50 pmOsaka Kansai Intl

Dec 9

KIX5:50 pmOsaka Kansai Intl

17h 29m

2 stops

ONT6:19 pmOntario

$830

Find similar

American Airlines

Feb 10

ONT4:45 pmOntario

33h 05m

2 stops

KIX6:50 pmOsaka Kansai Intl

Feb 16

KIX5:50 pmOsaka Kansai Intl

23h 08m

2 stops

ONT11:58 pmOntario

$842

Find similar

Fly from

Fly to

Route

Depart

Return

Price

OntarioOsaka

ONT - KIX

ONTKIX

Ontario

Tue 11/25

7:50 am-6:45 pm

1 stop17h 55m

Osaka Kansai Intl

Mon 12/1

8:45 pm-8:31 pm

1 stop16h 46m

$733

OntarioOsaka

ONT - ITM

ONTITM

Ontario

Wed 12/3

7:00 am-8:40 am

2 stops32h 40m

Osaka Itami

Thu 12/11

1:40 pm-6:18 pm

2 stops21h 38m

$759

OntarioOsaka

ONT - KIX

ONTKIX

Ontario

Thu 2/12

6:00 am-4:40 pm

1 stop17h 40m

Osaka Kansai Intl

Thu 2/19

8:20 am-12:38 pm

2 stops21h 18m

$779

OntarioOsaka

ONT - KIX

ONTKIX

Ontario

Wed 12/3

6:00 am-4:40 pm

1 stop17h 40m

Osaka Kansai Intl

Tue 12/16

6:35 pm-10:49 pm

1 stop21h 14m

$803

OntarioOsaka

ONT - KIX

ONTKIX

Ontario

Wed 12/3

6:00 am-4:40 pm

1 stop17h 40m

Osaka Kansai Intl

Tue 12/16

6:35 pm-8:42 pm

2 stops19h 07m

$808

OntarioOsaka

ONT - KIX

ONTKIX

Ontario

Sat 1/10

6:32 pm-4:40 pm

1 stop29h 08m

Osaka Kansai Intl

Sat 1/17

11:20 am-5:43 pm

3 stops47h 23m

$810

OntarioOsaka

ONT - KIX

ONTKIX

Ontario

Thu 1/15

6:00 am-4:40 pm

1 stop17h 40m

Osaka Kansai Intl

Sun 1/25

6:35 pm-5:43 pm

1 stop16h 08m

$815

OntarioOsaka

ONT - KIX

ONTKIX

Ontario

Sat 1/10

1:24 pm-4:40 pm

2 stops34h 16m

Osaka Kansai Intl

Sat 1/17

11:20 am-5:43 pm

3 stops47h 23m

$817

OntarioOsaka

ONT - KIX

ONTKIX

Ontario

Mon 2/16

8:41 am-6:45 pm

1 stop17h 04m

Osaka Kansai Intl

Mon 2/23

8:45 pm-10:15 pm

1 stop18h 30m

$825

OntarioOsaka

ONT - ITM

ONTITM

Ontario

Sun 12/7

6:00 am-8:05 pm

2 stops21h 05m

Osaka Itami

Tue 12/16

2:40 pm-6:33 pm

2 stops20h 53m

$1,000

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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

Layovers

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 $719. 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 $889.

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 in the afternoon. Our users have found flights to Osaka in the afternoon for as low as $797. Flights to Osaka are more costly in the evening, with an average ticket price of $1,091. Departure times in the evening fall within the peak daily travel times, which is why tickets can be more expensive.

Can stopping save me money on Ontario to Osaka flights?

You could potentially save up to 6% on your flight if you consider stops on a Ontario to Osaka flight.

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

Direct flights	None

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

Search flight deals

How far is Ontario to Osaka by plane?
The straight-line distance from Ontario to Osaka is 5733.7 mi. 15h 29m 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 November 2025, there are 2 operators 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
United Airlines	PriceFrom $826	Free Cancellation	Rating 7.4 9,028 reviews		Search United Airlines flights
China Airlines	PriceFrom $998	Free Cancellation	Rating 8.3 782 reviews		Search China Airlines flights

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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.

An easier way to manage your Osaka trip

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Find better results for your trip to Japan

Fly into one of these airports located in Osaka

Osaka Itami Airport

Osaka Kansai Intl Airport

Popular cities in Japan

Flights to Tokyofrom $360

Flights to Okinawafrom $583

Flights to Fukuokafrom $577

Flights to Nagoyafrom $568

Flights to Hiroshimafrom $675

Flights to Ishigakifrom $744

Flights to Kagoshimafrom $731

Flights to Hakodatefrom $741

Flights to Nagasakifrom $612

Flights to Miyakojimafrom $2,105

Flights to Toyamafrom $660

Flights to Sendaifrom $631

Cheap flights from Ontario to Osaka from $391

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 2/27. 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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Big names and deals

Filter for what you want

Filter for what you want

Trusted and free

Trusted and free

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Find the cheapest flights from Ontario to Osaka

Cheap round-trip flights

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Alaska Airlines flights from Ontario to Osaka

Our best Alaska Airlines deals on Ontario to Osaka flight tickets

American Airlines flights from Ontario to Osaka

Our best American Airlines deals on Ontario to Osaka flight tickets

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

See travel insights to Osaka from

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

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?

Can stopping save me money on Ontario to Osaka flights?

You could potentially save up to 6% on your flight if you consider stops on a Ontario to Osaka flight.

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

Alaska Airlines and United Airlines are the most popular carriers operating from Ontario to Osaka

What airlines fly to Osaka?

Which airport is the most popular layover for flights between Ontario and Osaka?

Taipei City (TPE) was the most common stop: 86% of momondo users choosing 1-stop flights on this route connected there.

Which layover airport offers the lowest fares from Ontario to Osaka?

Flights via Honolulu (HNL) offer the lowest average round-trip price of $1,337.

Which layover airport has the shortest travel time from Ontario to Osaka?

Flights connecting via San Francisco (SFO) have the shortest average one-way travel time: 16h 18m.

Which layover airport has the shortest connection time from Ontario to Osaka?

San Francisco (SFO) has the shortest average layover time for this route: 2h 36m.

When to book flights from Ontario to Osaka

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

Direct flights

How far is Ontario to Osaka by plane?

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

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

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

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

What is the most popular airline 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?

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

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

How can momondo help me find flights 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?

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