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Cheap flights from Osaka to Los Angeles 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 Osaka to Los Angeles departing on 5/7. 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
0 bags

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Find the cheapest flights from Osaka to Los Angeles

Cheap round-trip flights

Enter your travel dates to find the best prices.
China Airlines Logo
7:05 pm - 6:40 pm
KIX
-
ONT
39h 35m
1 stop
China Airlines Logo
12:45 am - 12:00 pm
ONT
-
KIX
19h 15m
1 stop
$745China Airlines
Tue, Aug 18 - Fri, Aug 21
China Airlines Logo
7:05 pm - 6:40 pm
KIX
-
ONT
39h 35m
1 stop
China Airlines Logo
12:10 am - 12:50 pm
ONT
-
KIX
20h 40m
1 stop
$754China Airlines
Fri, Aug 28 - Thu, Sep 17
China Airlines Logo
7:05 pm - 6:40 pm
KIX
-
ONT
39h 35m
1 stop
China Airlines Logo
12:45 am - 12:00 pm
ONT
-
KIX
19h 15m
1 stop
$756China Airlines
Sat, Sep 5 - Thu, Sep 10
China Airlines Logo
2:00 pm - 6:00 pm
KIX
-
ONT
20h 00m
1 stop
China Airlines Logo
12:10 am - 6:05 pm
ONT
-
KIX
25h 55m
1 stop
$819China Airlines
Sat, Sep 19 - Fri, Sep 25
China Airlines Logo
7:05 pm - 6:40 pm
KIX
-
ONT
39h 35m
1 stop
China Airlines Logo
11:50 pm - 11:35 am
ONT
-
KIX
19h 45m
1 stop
$821China Airlines
Tue, Aug 25 - Fri, Oct 30
STARLUX Airlines Logo
1:25 pm - 5:05 pm
KIX
-
ONT
19h 40m
1 stop
STARLUX Airlines Logo
11:45 pm - 12:15 pm
ONT
-
KIX
20h 30m
1 stop
$874STARLUX Airlines
Wed, Jun 24 - Fri, Jul 3
Multiple Airlines Logo
2:30 pm - 6:13 pm
ITM
-
ONT
19h 43m
2 stops
Multiple Airlines Logo
6:00 am - 7:40 am
ONT
-
ITM
33h 40m
2 stops
$1,133Multiple Airlines
Tue, Aug 25 - Fri, Oct 30
Multiple Airlines Logo
2:35 pm - 10:39 pm
ITM
-
ONT
24h 04m
2 stops
Multiple Airlines Logo
6:00 am - 7:50 pm
ONT
-
ITM
21h 50m
2 stops
$1,174Multiple Airlines
Tue, Sep 8 - Sat, Sep 12
United Airlines Logo
12:50 pm - 6:11 pm
ITM
-
ONT
21h 21m
2 stops
United Airlines Logo
1:44 pm - 5:05 pm
ONT
-
ITM
35h 21m
2 stops
$1,663United Airlines
Sat, Aug 29 - Sat, Sep 12
United Airlines Logo
12:50 pm - 10:37 pm
ITM
-
ONT
25h 47m
2 stops
United Airlines Logo
7:13 pm - 5:05 pm
ONT
-
ITM
29h 52m
2 stops
$1,902United Airlines
Wed, Jul 1 - Mon, Aug 31

Delta flights from Osaka to Ontario

Our best Delta deals on Osaka to Ontario flight tickets
Delta
Sep 12
KIX9:05 amOsaka Kansai Intl
29h 39m
2 stops
ONT10:44 pmOntario
Sep 25
ONT6:00 amOntario
22h 45m
2 stops
KIX8:45 pmOsaka Kansai Intl
$1,153
Delta
May 10
KIX2:15 amOsaka Kansai Intl
50h 04m
2 stops
ONT12:19 pmOntario
May 19
ONT6:45 amOntario
23h 55m
2 stops
KIX10:40 pmOsaka Kansai Intl
$1,187
Delta
Jun 19
KIX12:35 pmOsaka Kansai Intl
20h 44m
2 stops
ONT5:19 pmOntario
Jun 28
ONT6:00 amOntario
22h 45m
2 stops
KIX8:45 pmOsaka Kansai Intl
$1,295

China Airlines flights from Osaka to Ontario

Our best China Airlines deals on Osaka to Ontario flight tickets
China Airlines
Aug 18
KIX7:05 pmOsaka Kansai Intl
39h 35m
1 stop
ONT6:40 pmOntario
Aug 21
ONT12:45 amOntario
19h 15m
1 stop
KIX12:00 pmOsaka Kansai Intl
$745
China Airlines
Aug 28
KIX7:05 pmOsaka Kansai Intl
39h 35m
1 stop
ONT6:40 pmOntario
Sep 17
ONT12:10 amOntario
20h 40m
1 stop
KIX12:50 pmOsaka Kansai Intl
$754
China Airlines
Sep 5
KIX7:05 pmOsaka Kansai Intl
39h 35m
1 stop
ONT6:40 pmOntario
Sep 10
ONT12:45 amOntario
19h 15m
1 stop
KIX12:00 pmOsaka Kansai Intl
$756

momondo Fare Finder

 
Customize your flight search to find flights from Osaka to Ontario 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 March 28, 2026.
Use the filters below to find and compare flights from Osaka to Ontario that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

OsakaOntario

KIX - ONT

KIXONT

Osaka Kansai Intl

Tue 8/18

7:05 pm-6:40 pm

1 stop39h 35m

Ontario

Fri 8/21

12:45 am-12:00 pm

1 stop19h 15m

$745

OsakaOntario

KIX - ONT

KIXONT

Osaka Kansai Intl

Fri 8/28

7:05 pm-6:40 pm

1 stop39h 35m

Ontario

Thu 9/17

12:10 am-12:50 pm

1 stop20h 40m

$754

OsakaOntario

KIX - ONT

KIXONT

Osaka Kansai Intl

Sat 9/5

7:05 pm-6:40 pm

1 stop39h 35m

Ontario

Thu 9/10

12:45 am-12:00 pm

1 stop19h 15m

$756

OsakaOntario

KIX - ONT

KIXONT

Osaka Kansai Intl

Sat 9/19

2:00 pm-6:00 pm

1 stop20h 00m

Ontario

Fri 9/25

12:10 am-6:05 pm

1 stop25h 55m

$819

OsakaOntario

KIX - ONT

KIXONT

Osaka Kansai Intl

Tue 8/25

7:05 pm-6:40 pm

1 stop39h 35m

Ontario

Fri 10/30

11:50 pm-11:35 am

1 stop19h 45m

$821
Quickest round-trip

OsakaOntario

KIX - ONT

KIXONT

Osaka Kansai Intl

Wed 6/24

1:25 pm-5:05 pm

1 stop19h 40m

Ontario

Fri 7/3

11:45 pm-12:15 pm

1 stop20h 30m

$874

OsakaOntario

ITM - ONT

ITMONT

Osaka Itami

Tue 8/25

2:30 pm-6:13 pm

2 stops19h 43m

Ontario

Fri 10/30

6:00 am-7:40 am

2 stops33h 40m

$1,133

OsakaOntario

ITM - ONT

ITMONT

Osaka Itami

Tue 9/8

2:35 pm-10:39 pm

2 stops24h 04m

Ontario

Sat 9/12

6:00 am-7:50 pm

2 stops21h 50m

$1,174

OsakaOntario

ITM - ONT

ITMONT

Osaka Itami

Sat 8/29

12:50 pm-6:11 pm

2 stops21h 21m

Ontario

Sat 9/12

1:44 pm-5:05 pm

2 stops35h 21m

$1,663

OsakaOntario

ITM - ONT

ITMONT

Osaka Itami

Wed 7/1

12:50 pm-10:37 pm

2 stops25h 47m

Ontario

Mon 8/31

7:13 pm-5:05 pm

2 stops29h 52m

$1,902

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 Los Angeles from

How to get the cheapest flight ticket from Osaka to Ontario

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

Can stopping save me money on Osaka to Ontario flights?

You could potentially save up to 12% on your flight if you consider stops on a Osaka to Ontario flight.

When to book flights from Osaka to Ontario

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

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

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

Fastest flight time

18h 14m

Direct flights

None
The fastest flight from Osaka to Ontario takes 18h 14m
There are no direct flights from Osaka to Ontario. There are no popular flight routes from Osaka to Ontario.
Search flight deals

  • How far is Osaka to Ontario by plane?

    There are 5733.7 mi between Osaka and Ontario. In terms of flight time, this usually takes a little over 18h 14m.

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

    Prices for flights from Osaka to Ontario Airport refresh daily.

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

    The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Osaka to Ontario Airport.

  • What documentation or ID do you need to fly to Ontario Airport?

    The necessary travel and health documents for your Ontario Airport 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.

Why use momondo?

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

It is quick and easy to find Osaka to Ontario flights on momondo. We search and return numerous flight options from various airlines and agents. You can then use our filters to narrow your search until you have found the most convenient flight to Ontario that suits you.

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

momondo does allow users to show only those flights to Ontario from Osaka which offer a flexible booking policy as well as other useful filters and features.

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

Once you have performed a search in the form on the page, momondo provides useful filters and insights. We can show you the cheapest days and times to fly as well as help filter your options to help you make an informed choice when booking flights to Ontario from Osaka.

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

Yes momondo offers price alerts on flights to Ontario from Osaka. After performing a search on this page you should be able to see the price alert set up feature. Simply provide a valid email address and momondo will instantly alert you when prices change.

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