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 12 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?

China Airlines and STARLUX 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 November 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.

$389 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.

8:03 am - 6:45 pmONT Ontario-KIX Osaka Kansai Intl

17h 42m1 stop Honolulu

8:45 pm - 11:59 pmKIX Osaka Kansai Intl-ONT Ontario

20h 14m1 stop Honolulu

$484Multiple Airlines

Tue, Dec 1 - Thu, Dec 17

7:30 am - 6:45 pmONT Ontario-KIX Osaka Kansai Intl

42h 15m2 stops Portland Honolulu

8:45 pm - 9:25 amKIX Osaka Kansai Intl-ONT Ontario

29h 40m2 stops Honolulu Portland

$492Multiple Airlines

Tue, Feb 23 - Mon, Mar 1

7:10 am - 6:45 pmONT Ontario-KIX Osaka Kansai Intl

42h 35m2 stops Portland Honolulu

8:45 pm - 8:06 pmKIX Osaka Kansai Intl-ONT Ontario

40h 21m2 stops Honolulu Portland

$501Multiple Airlines

Thu, Dec 3 - Wed, Dec 16

8:03 am - 6:45 pmONT Ontario-KIX Osaka Kansai Intl

17h 42m1 stop Honolulu

8:45 pm - 9:25 pmKIX Osaka Kansai Intl-ONT Ontario

17h 40m1 stop Honolulu

$576Multiple Airlines

Mon, Dec 7 - Wed, Dec 16

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

21h 30m1 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

$1,042China Airlines

Thu, Jan 14 - Sat, Jan 23

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

$1,058China Airlines

Fri, Jan 8 - Mon, Jan 18

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

$1,059China Airlines

Wed, Mar 10 - 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

Fri, Feb 19 - Tue, Feb 23

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, Mar 31 - Sat, Apr 10

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

$1,133STARLUX Airlines

Sat, Jan 16 - Tue, Jan 26

Cheap last minute flights

Enter your travel dates to find the best prices.

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

21h 30m1 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

$1,134China Airlines

Sun, Nov 8 - Tue, Nov 17

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

20h 45m2 stops Seattle/Tacoma Intl Incheon Intl

11:55 am - 4:24 pmKIX Osaka Kansai Intl-ONT Ontario

21h 29m2 stops Incheon Intl Salt Lake City

$1,142Delta

Mon, Nov 9 - Tue, Nov 17

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

20h 45m2 stops Seattle/Tacoma Intl Incheon Intl

2:00 pm - 5:16 pmKIX Osaka Kansai Intl-ONT Ontario

20h 16m2 stops Incheon Intl Seattle/Tacoma Intl

$1,142Delta

Mon, Nov 9 - Wed, Nov 18

6:20 am - 12:50 pmONT Ontario-KIX Osaka Kansai Intl

37h 30m2 stops Seattle/Tacoma Intl Incheon Intl

2:00 pm - 11:00 pmKIX Osaka Kansai Intl-ONT Ontario

50h 00m2 stops Incheon Intl Seattle/Tacoma Intl

$1,147Korean Air

Sun, Nov 8 - Mon, Nov 16

10:50 pm - 5:50 pmONT Ontario-KIX Osaka Kansai Intl

26h 00m1 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

$1,163China Airlines

Fri, Nov 6 - Fri, Nov 13

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

$1,167China Airlines

Sat, Nov 7 - Sat, Nov 14

10:50 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

$1,168China Airlines

Thu, Nov 5 - Thu, Nov 12

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

$1,171STARLUX Airlines

Mon, Nov 9 - Mon, Nov 16

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

17h 45m1 stop San Francisco

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

13h 58m1 stop San Francisco

$1,226ANA

Sun, Nov 8 - Tue, Nov 17

4:25 pm - 11:10 amONT Ontario-KIX Osaka Kansai Intl

25h 45m2 stops Phoenix Sky Harbor Intl Taipei City Taiwan Taoyuan Intl

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

18h 55m1 stop Taipei City Taiwan Taoyuan Intl

$1,341STARLUX Airlines

Sun, Nov 8 - Mon, Nov 16

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Delta flights from Ontario to Osaka

Our best Delta deals on Ontario to Osaka flight tickets

Delta

Dec 2

ONT6:00 amOntario

21h 45m

2 stops

KIX8:45 pmOsaka Kansai Intl

Dec 11

KIX2:00 pmOsaka Kansai Intl

20h 15m

2 stops

ONT5:15 pmOntario

$894

Delta

Jan 17

ONT7:00 amOntario

20h 45m

2 stops

KIX8:45 pmOsaka Kansai Intl

Jan 27

KIX11:55 amOsaka Kansai Intl

27h 39m

2 stops

ONT10:34 pmOntario

$904

Delta

Jan 23

ONT3:35 pmOntario

36h 10m

2 stops

KIX8:45 pmOsaka Kansai Intl

Feb 2

KIX6:10 pmOsaka Kansai Intl

45h 24m

2 stops

ONT10:34 pmOntario

$910

ANA flights from Ontario to Osaka

Our best ANA deals on Ontario to Osaka flight tickets

ANA

Nov 8

ONT6:00 amOntario

17h 45m

1 stop

KIX4:45 pmOsaka Kansai Intl

Nov 17

KIX6:35 pmOsaka Kansai Intl

13h 58m

1 stop

ONT3:33 pmOntario

$1,226

ANA

Nov 13

ONT6:00 amOntario

17h 45m

1 stop

KIX4:45 pmOsaka Kansai Intl

Dec 2

KIX6:35 pmOsaka Kansai Intl

19h 03m

1 stop

ONT8:38 pmOntario

$1,399

ANA

Nov 9

ONT6:00 amOntario

17h 45m

1 stop

KIX4:45 pmOsaka Kansai Intl

Nov 16

KIX6:35 pmOsaka Kansai Intl

13h 58m

1 stop

ONT3:33 pmOntario

$1,413

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

OntarioOsaka

ONT Ontario - KIX Osaka Kansai Intl

ONTKIX

Ontario

Tue 12/1

8:03 am-6:45 pm

1 stop17h 42m

Osaka Kansai Intl

Thu 12/17

8:45 pm-11:59 pm

1 stop20h 14m

$484

OntarioOsaka

ONT Ontario - KIX Osaka Kansai Intl

ONTKIX

Ontario

Tue 2/23

7:30 am-6:45 pm

2 stops42h 15m

Osaka Kansai Intl

Mon 3/1

8:45 pm-9:25 am

2 stops29h 40m

$492

OntarioOsaka

ONT Ontario - KIX Osaka Kansai Intl

ONTKIX

Ontario

Thu 12/3

7:10 am-6:45 pm

2 stops42h 35m

Osaka Kansai Intl

Wed 12/16

8:45 pm-8:06 pm

2 stops40h 21m

$501

Quickest round-trip

OntarioOsaka

ONT Ontario - KIX Osaka Kansai Intl

ONTKIX

Ontario

Mon 12/7

8:03 am-6:45 pm

1 stop17h 42m

Osaka Kansai Intl

Wed 12/16

8:45 pm-9:25 pm

1 stop17h 40m

$576

OntarioOsaka

ONT Ontario - KIX Osaka Kansai Intl

ONTKIX

Ontario

Thu 1/14

10:50 pm-1:20 pm

1 stop21h 30m

Osaka Kansai Intl

Sat 1/23

2:30 pm-5:05 pm

1 stop19h 35m

$1,042

OntarioOsaka

ONT Ontario - KIX Osaka Kansai Intl

ONTKIX

Ontario

Fri 1/8

10:50 pm-11:35 am

1 stop19h 45m

Osaka Kansai Intl

Mon 1/18

12:45 pm-5:05 pm

1 stop21h 20m

$1,058

OntarioOsaka

ONT Ontario - KIX Osaka Kansai Intl

ONTKIX

Ontario

Wed 3/10

10:50 pm-1:20 pm

1 stop21h 30m

Osaka Kansai Intl

Sat 3/27

2:30 pm-6:05 pm

1 stop19h 35m

$1,059

OntarioOsaka

ONT Ontario - KIX Osaka Kansai Intl

ONTKIX

Ontario

Fri 2/19

9:45 pm-11:10 am

1 stop20h 25m

Osaka Kansai Intl

Tue 2/23

2:00 pm-3:55 pm

1 stop18h 55m

$1,125

OntarioOsaka

ONT Ontario - KIX Osaka Kansai Intl

ONTKIX

Ontario

Wed 3/31

11:10 pm-12:15 pm

1 stop21h 05m

Osaka Kansai Intl

Sat 4/10

3:10 pm-5:05 pm

1 stop17h 55m

$1,125

OntarioOsaka

ONT Ontario - KIX Osaka Kansai Intl

ONTKIX

Ontario

Sat 1/16

9:45 pm-12:50 pm

1 stop22h 05m

Osaka Kansai Intl

Tue 1/26

12:20 pm-3:55 pm

1 stop20h 35m

$1,133

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 month to fly to Osaka?

In general, September is the cheapest month to fly from Ontario to Osaka. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $0. If you are unable to visit Osaka during the month of September, then departing from Ontario during the month August is also very affordable. Most momondo users find prices during this month for around $0.

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 $1,029. 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 $1,233.

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 $1,058. Flights to Osaka are more costly in the afternoon, with an average ticket price of $1,215. 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	$389
Fastest flight time	14h 50m
Direct flights	None

The best one-way flight to Osaka from Ontario in the past 72 hours is $389. The best round-trip flight deal from Ontario to Osaka found on momondo in the last 72 hours is $484.

The fastest flight from Ontario to Osaka takes 14h 50m

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. 14h 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 November 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
China Airlines	PriceFrom $913	Free Cancellation	Rating 8.3 854 reviews		Search China Airlines flights
STARLUX Airlines	PriceFrom $1,056	Free Cancellation	Rating 8.8 410 reviews		Search STARLUX 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.

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Complete your trip

Feeling lucky

Fly into one of these airports located in Osaka

Osaka Itami Airport

Osaka Kansai Intl Airport

Cheap flights from Ontario to Osaka from $389

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 1/31. 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

Our best Delta deals on Ontario to Osaka flight tickets

ANA flights from Ontario to Osaka

Our best ANA 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 month to fly 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

Fastest flight time

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.

Popular cities in Japan

Popular flights according to clicks in the last 7 days on momondo

Fly to other destinations from Ontario

According to popular flight searches on momondo this year

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According to popular flight searches on momondo this year