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 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 63% of people opting to fly with this airline when traveling to Osaka. Keep in mind that there are 11 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 connection time from Ontario to Osaka?

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

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.

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

United Airlines is the most popular carrier operating from Ontario to Osaka

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

Taipei City (TPE) was the most common stop: 87% of momondo users choosing 1-stop flights on this route connected there.

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 January 2026, 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.

$323 Cheap Flights from Ontario to Osaka in 2026

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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.

6:00 am - 8:40 am

ONT

ITM

33h 40m2 stops

1:40 pm - 6:45 pm

ITM

ONT

22h 05m2 stops

$696American Airlines

lun., feb. 2 - mar., feb. 10

6:00 am - 8:45 pm

ONT

KIX

21h 45m2 stops

9:00 am - 10:44 pm

KIX

ONT

30h 44m2 stops

$704Delta

lun., feb. 2 - mar., feb. 10

6:00 am - 4:40 pm

ONT

KIX

17h 40m1 stop

6:35 pm - 5:41 pm

KIX

ONT

16h 06m1 stop

$740United Airlines

dom., feb. 1 - vie., feb. 13

6:00 am - 4:40 pm

ONT

KIX

17h 40m1 stop

6:35 pm - 12:43 pm

KIX

ONT

35h 08m2 stops

$744United Airlines

dom., feb. 1 - vie., feb. 13

6:00 am - 4:40 pm

ONT

KIX

17h 40m1 stop

6:35 pm - 5:41 pm

KIX

ONT

16h 06m1 stop

$756Lufthansa

dom., feb. 8 - mar., feb. 24

5:05 am - 4:40 pm

ONT

KIX

42h 35m2 stops

6:35 pm - 12:43 pm

KIX

ONT

35h 08m2 stops

$758United Airlines

lun., feb. 9 - mié., feb. 18

8:41 am - 6:45 pm

ONT

KIX

17h 04m1 stop

8:45 pm - 10:15 pm

KIX

ONT

18h 30m1 stop

$763Multiple Airlines

mié., feb. 18 - mié., mar. 4

6:00 am - 4:40 pm

ONT

KIX

17h 40m1 stop

11:05 am - 5:43 pm

KIX

ONT

47h 38m3 stops

$767United Airlines

mar., ene. 20 - mar., ene. 27

6:14 am - 7:55 pm

ONT

ITM

20h 41m2 stops

2:40 pm - 11:32 pm

ITM

ONT

25h 52m2 stops

$924Multiple Airlines

vie., feb. 20 - vie., feb. 27

6:00 am - 7:50 pm

ONT

ITM

21h 50m2 stops

4:55 pm - 3:09 pm

ITM

ONT

38h 14m2 stops

$990Japan Airlines

mar., may. 12 - mar., may. 26

ANA flights from Ontario to Osaka

Our best ANA deals on Ontario to Osaka flight tickets

ANA

Feb 22

ONT6:09 amOntario

17h 31m

1 stop

KIX4:40 pmOsaka Kansai Intl

Feb 26

KIX6:35 pmOsaka Kansai Intl

16h 06m

1 stop

ONT5:41 pmOntario

$876

ANA

Apr 12

ONT6:00 amOntario

16h 50m

1 stop

KIX2:50 pmOsaka Kansai Intl

Apr 22

KIX4:55 pmOsaka Kansai Intl

21h 50m

1 stop

ONT10:45 pmOntario

$902

ANA

Mar 11

ONT6:00 amOntario

18h 40m

1 stop

KIX4:40 pmOsaka Kansai Intl

Mar 18

KIX6:35 pmOsaka Kansai Intl

20h 22m

1 stop

ONT10:57 pmOntario

$920

United Airlines flights from Ontario to Osaka

Our best United Airlines deals on Ontario to Osaka flight tickets

United Airlines

Feb 1

ONT6:00 amOntario

17h 40m

1 stop

KIX4:40 pmOsaka Kansai Intl

Feb 13

KIX6:35 pmOsaka Kansai Intl

18h 32m

1 stop

ONT8:07 pmOntario

$740

United Airlines

Feb 1

ONT6:00 amOntario

17h 40m

1 stop

KIX4:40 pmOsaka Kansai Intl

Feb 13

KIX6:35 pmOsaka Kansai Intl

35h 08m

2 stops

ONT12:43 pmOntario

$744

United Airlines

Feb 9

ONT5:05 amOntario

42h 35m

2 stops

KIX4:40 pmOsaka Kansai Intl

Feb 18

KIX6:35 pmOsaka Kansai Intl

35h 08m

2 stops

ONT12:43 pmOntario

$758

Fly from

Fly to

Route

Depart

Return

Price

OntarioOsaka

ONT - ITM

ONTITM

Ontario

lun. 2/2

6:00 am-8:40 am

2 stops33h 40m

Osaka Itami

mar. 2/10

1:40 pm-6:45 pm

2 stops22h 05m

$696

OntarioOsaka

ONT - KIX

ONTKIX

Ontario

lun. 2/2

6:00 am-8:45 pm

2 stops21h 45m

Osaka Kansai Intl

mar. 2/10

9:00 am-10:44 pm

2 stops30h 44m

$704

OntarioOsaka

ONT - KIX

ONTKIX

Ontario

dom. 2/1

6:00 am-4:40 pm

1 stop17h 40m

Osaka Kansai Intl

vie. 2/13

6:35 pm-5:41 pm

1 stop16h 06m

$740

OntarioOsaka

ONT - KIX

ONTKIX

Ontario

dom. 2/1

6:00 am-4:40 pm

1 stop17h 40m

Osaka Kansai Intl

vie. 2/13

6:35 pm-12:43 pm

2 stops35h 08m

$744

OntarioOsaka

ONT - KIX

ONTKIX

Ontario

dom. 2/8

6:00 am-4:40 pm

1 stop17h 40m

Osaka Kansai Intl

mar. 2/24

6:35 pm-5:41 pm

1 stop16h 06m

$756

OntarioOsaka

ONT - KIX

ONTKIX

Ontario

lun. 2/9

5:05 am-4:40 pm

2 stops42h 35m

Osaka Kansai Intl

mié. 2/18

6:35 pm-12:43 pm

2 stops35h 08m

$758

OntarioOsaka

ONT - KIX

ONTKIX

Ontario

mié. 2/18

8:41 am-6:45 pm

1 stop17h 04m

Osaka Kansai Intl

mié. 3/4

8:45 pm-10:15 pm

1 stop18h 30m

$763

OntarioOsaka

ONT - KIX

ONTKIX

Ontario

mar. 1/20

6:00 am-4:40 pm

1 stop17h 40m

Osaka Kansai Intl

mar. 1/27

11:05 am-5:43 pm

3 stops47h 38m

$767

OntarioOsaka

ONT - ITM

ONTITM

Ontario

vie. 2/20

6:14 am-7:55 pm

2 stops20h 41m

Osaka Itami

vie. 2/27

2:40 pm-11:32 pm

2 stops25h 52m

$924

OntarioOsaka

ONT - ITM

ONTITM

Ontario

mar. 5/12

6:00 am-7:50 pm

2 stops21h 50m

Osaka Itami

mar. 5/26

4:55 pm-3:09 pm

2 stops38h 14m

$990

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

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 $740. 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 $947.

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 $799. Flights to Osaka are more costly at noon, with an average ticket price of $833. Departure times at noon 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 8% 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

Fastest flight time	16h 50m
Direct flights	None

The fastest flight from Ontario to Osaka takes 16h 50m

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. 16h 50m 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 January 2026, 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 9,141 reviews		Search United Airlines flights
China Airlines	PriceFrom $998	Free Cancellation	Rating 8.3 798 reviews		Search China Airlines flights

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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.