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Cheap flights from Ontario to Osaka from $461

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 7/22. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
1 adult, Economy, 0 bags

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from Ontario to Osaka

Cheap round-trip flights

Enter your travel dates to find the best prices.
Delta Logo
6:00 am - 8:45 pm
ONT
-
KIX
21h 45m
2 stops
Delta Logo
2:00 pm - 4:12 pm
KIX
-
ONT
19h 12m
2 stops
$964Delta
Tue, Dec 1 - Wed, Dec 9
United Airlines Logo
6:00 am - 4:45 pm
ONT
-
KIX
17h 45m
1 stop
United Airlines Logo
6:35 pm - 3:27 pm
KIX
-
ONT
13h 52m
1 stop
$1,001United Airlines
Mon, Nov 2 - Thu, Nov 12
United Airlines Logo
6:00 am - 4:45 pm
ONT
-
KIX
17h 45m
1 stop
United Airlines Logo
8:20 am - 12:20 pm
KIX
-
ONT
21h 00m
2 stops
$1,005United Airlines
Wed, Nov 4 - Thu, Nov 12
ANA Logo
6:00 am - 4:45 pm
ONT
-
KIX
17h 45m
1 stop
ANA Logo
6:35 pm - 5:47 pm
KIX
-
ONT
16h 12m
1 stop
$1,053ANA
Tue, Dec 1 - Tue, Dec 8
ANA Logo
6:53 pm - 4:45 pm
ONT
-
KIX
28h 52m
1 stop
ANA Logo
6:35 pm - 3:27 pm
KIX
-
ONT
13h 52m
1 stop
$1,059ANA
Mon, Nov 30 - Tue, Dec 8
China Airlines Logo
12:10 am - 6:05 pm
ONT
-
KIX
25h 55m
1 stop
China Airlines Logo
1:10 pm - 6:00 pm
KIX
-
ONT
20h 50m
1 stop
$1,087China Airlines
Tue, Sep 15 - Fri, Sep 25
China Airlines Logo
12:45 am - 12:50 pm
ONT
-
KIX
20h 05m
1 stop
China Airlines Logo
7:05 pm - 6:00 pm
KIX
-
ONT
38h 55m
1 stop
$1,092China Airlines
Mon, Sep 7 - Sat, Sep 19
Multiple Airlines Logo
6:02 am - 7:50 pm
ONT
-
ITM
21h 48m
2 stops
Multiple Airlines Logo
2:30 pm - 8:30 pm
ITM
-
ONT
22h 00m
2 stops
$1,118Multiple Airlines
Mon, Jul 27 - Thu, Aug 6
Multiple Airlines Logo
9:20 pm - 7:50 pm
ONT
-
ITM
30h 30m
2 stops
Multiple Airlines Logo
2:30 pm - 11:11 pm
ITM
-
ONT
24h 41m
2 stops
$1,125Multiple Airlines
Sat, Aug 1 - Tue, Aug 4
Japan Airlines Logo
6:02 am - 7:50 pm
ONT
-
ITM
21h 48m
2 stops
Japan Airlines Logo
2:30 pm - 4:57 pm
ITM
-
ONT
18h 27m
2 stops
$1,135Japan Airlines
Wed, Aug 5 - Wed, Aug 12

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China Airlines flights from Ontario to Osaka

Our best China Airlines deals on Ontario to Osaka flight tickets
China Airlines
Sep 15
ONT12:10 amOntario
25h 55m
1 stop
KIX6:05 pmOsaka Kansai Intl
Sep 25
KIX1:10 pmOsaka Kansai Intl
20h 50m
1 stop
ONT6:00 pmOntario
$1,087
China Airlines
Sep 7
ONT12:45 amOntario
25h 20m
1 stop
KIX6:05 pmOsaka Kansai Intl
Sep 15
KIX2:00 pmOsaka Kansai Intl
20h 40m
1 stop
ONT6:40 pmOntario
$1,092
China Airlines
Sep 6
ONT12:45 amOntario
25h 20m
1 stop
KIX6:05 pmOsaka Kansai Intl
Sep 19
KIX7:05 pmOsaka Kansai Intl
38h 55m
1 stop
ONT6:00 pmOntario
$1,094

Delta flights from Ontario to Osaka

Our best Delta deals on Ontario to Osaka flight tickets
Delta
Dec 1
ONT6:00 amOntario
21h 45m
2 stops
KIX8:45 pmOsaka Kansai Intl
Dec 9
KIX2:00 pmOsaka Kansai Intl
19h 12m
2 stops
ONT4:12 pmOntario
$964
Delta
Aug 25
ONT6:20 amOntario
24h 20m
2 stops
KIX10:40 pmOsaka Kansai Intl
Nov 14
KIX9:00 amOsaka Kansai Intl
24h 12m
2 stops
ONT4:12 pmOntario
$1,064
Delta
Nov 29
ONT6:00 amOntario
21h 45m
2 stops
KIX8:45 pmOsaka Kansai Intl
Dec 9
KIX2:00 pmOsaka Kansai Intl
19h 12m
2 stops
ONT4:12 pmOntario
$1,127

momondo Fare Finder

 
Customize your flight search to find flights from Ontario to Osaka that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, momondo users made 832,500 searches. Data last updated June 16, 2026.
Use the filters below to find and compare flights from Ontario to Osaka that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

OntarioOsaka

ONT - KIX

ONTKIX

Ontario

Tue 12/1

6:00 am-8:45 pm

2 stops21h 45m

Osaka Kansai Intl

Wed 12/9

2:00 pm-4:12 pm

2 stops19h 12m

$964
Quickest round-trip

OntarioOsaka

ONT - KIX

ONTKIX

Ontario

Mon 11/2

6:00 am-4:45 pm

1 stop17h 45m

Osaka Kansai Intl

Thu 11/12

6:35 pm-3:27 pm

1 stop13h 52m

$1,001

OntarioOsaka

ONT - KIX

ONTKIX

Ontario

Wed 11/4

6:00 am-4:45 pm

1 stop17h 45m

Osaka Kansai Intl

Thu 11/12

8:20 am-12:20 pm

2 stops21h 00m

$1,005

OntarioOsaka

ONT - KIX

ONTKIX

Ontario

Tue 12/1

6:00 am-4:45 pm

1 stop17h 45m

Osaka Kansai Intl

Tue 12/8

6:35 pm-5:47 pm

1 stop16h 12m

$1,053

OntarioOsaka

ONT - KIX

ONTKIX

Ontario

Mon 11/30

6:53 pm-4:45 pm

1 stop28h 52m

Osaka Kansai Intl

Tue 12/8

6:35 pm-3:27 pm

1 stop13h 52m

$1,059

OntarioOsaka

ONT - KIX

ONTKIX

Ontario

Tue 9/15

12:10 am-6:05 pm

1 stop25h 55m

Osaka Kansai Intl

Fri 9/25

1:10 pm-6:00 pm

1 stop20h 50m

$1,087

OntarioOsaka

ONT - KIX

ONTKIX

Ontario

Mon 9/7

12:45 am-12:50 pm

1 stop20h 05m

Osaka Kansai Intl

Sat 9/19

7:05 pm-6:00 pm

1 stop38h 55m

$1,092

OntarioOsaka

ONT - ITM

ONTITM

Ontario

Mon 7/27

6:02 am-7:50 pm

2 stops21h 48m

Osaka Itami

Thu 8/6

2:30 pm-8:30 pm

2 stops22h 00m

$1,118

OntarioOsaka

ONT - ITM

ONTITM

Ontario

Sat 8/1

9:20 pm-7:50 pm

2 stops30h 30m

Osaka Itami

Tue 8/4

2:30 pm-11:11 pm

2 stops24h 41m

$1,125

OntarioOsaka

ONT - ITM

ONTITM

Ontario

Wed 8/5

6:02 am-7:50 pm

2 stops21h 48m

Osaka Itami

Wed 8/12

2:30 pm-4:57 pm

2 stops18h 27m

$1,135

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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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?

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 $756. 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 $1,068.

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 $855. Flights to Osaka are more costly at noon, with an average ticket price of $876. 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 58% 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

14h 47m

Direct flights

None
The fastest flight from Ontario to Osaka takes 14h 47m
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 47m 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?

  • 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.

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 AirlinesPriceFrom $998Free CancellationRating
8.3
829 reviews
Search China Airlines flights

Traveling to a place near Osaka?

Book flights to Osaka if you plan to visit one of these locations
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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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
Osaka Itami Airport
Osaka Kansai Intl Airport