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Cheap flights from Osaka to Los Angeles from $577

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 9/3. 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

Find the cheapest flights from Osaka to Los Angeles

Cheap round-trip flights

Enter your travel dates to find the best prices.
Delta Logo
2:15 am - 11:34 pm
KIX
-
ONT
37h 19m
2 stops
Delta Logo
1:06 pm - 8:45 pm
ONT
-
KIX
39h 39m
2 stops
$1,147Delta
Tue, Aug 25 - Sun, Aug 30
STARLUX Airlines Logo
2:00 pm - 3:55 pm
KIX
-
ONT
18h 55m
1 stop
STARLUX Airlines Logo
9:45 pm - 11:10 am
ONT
-
KIX
20h 25m
1 stop
$1,188STARLUX Airlines
Fri, Dec 11 - Fri, Dec 11
China Airlines Logo
7:05 pm - 6:00 pm
KIX
-
ONT
38h 55m
1 stop
China Airlines Logo
12:10 am - 12:00 pm
ONT
-
KIX
19h 50m
1 stop
$1,191China Airlines
Wed, Sep 16 - Sun, Sep 20
China Airlines Logo
7:05 pm - 6:40 pm
KIX
-
ONT
39h 35m
1 stop
China Airlines Logo
12:45 am - 6:05 pm
ONT
-
KIX
25h 20m
1 stop
$1,192China Airlines
Fri, Aug 21 - Sat, Aug 29
China Airlines Logo
2:00 pm - 6:40 pm
KIX
-
ONT
20h 40m
1 stop
China Airlines Logo
12:45 am - 6:05 pm
ONT
-
KIX
25h 20m
1 stop
$1,193China Airlines
Thu, Aug 27 - Wed, Sep 2
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
$1,195China Airlines
Thu, Sep 17 - Wed, Sep 23
Multiple Airlines Logo
9:20 am - 7:03 pm
ITM
-
ONT
25h 43m
2 stops
Multiple Airlines Logo
6:02 am - 7:50 pm
ONT
-
ITM
21h 48m
2 stops
$1,373Multiple Airlines
Thu, Sep 17 - Wed, Sep 23
Multiple Airlines Logo
8:05 pm - 7:03 pm
ITM
-
ONT
38h 58m
2 stops
Multiple Airlines Logo
6:02 am - 9:35 am
ONT
-
ITM
35h 33m
2 stops
$1,490Multiple Airlines
Sat, Sep 19 - Wed, Sep 23
United Airlines Logo
12:50 pm - 3:22 pm
ITM
-
ONT
18h 32m
2 stops
United Airlines Logo
6:00 am - 6:10 pm
ONT
-
ITM
20h 10m
2 stops
$1,953United Airlines
Wed, Sep 30 - Wed, Oct 28
United Airlines Logo
12:50 pm - 2:01 pm
ITM
-
ONT
17h 11m
2 stops
United Airlines Logo
6:08 am - 5:05 pm
ONT
-
ITM
18h 57m
2 stops
$1,954United Airlines
Tue, Sep 15 - Sun, Sep 20

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United Airlines flights from Osaka to Ontario

Our best United Airlines deals on Osaka to Ontario flight tickets
United Airlines
Sep 16
KIX4:55 pmOsaka Kansai Intl
17h 21m
1 stop
ONT6:16 pmOntario
Sep 21
ONT6:00 amOntario
64h 50m
2 stops
KIX2:50 pmOsaka Kansai Intl
$1,427
United Airlines
Sep 8
KIX4:55 pmOsaka Kansai Intl
19h 58m
2 stops
ONT8:53 pmOntario
Sep 17
ONT6:00 amOntario
16h 50m
1 stop
KIX2:50 pmOsaka Kansai Intl
$1,428
United Airlines
Aug 30
KIX4:55 pmOsaka Kansai Intl
19h 58m
2 stops
ONT8:53 pmOntario
Sep 29
ONT4:07 pmOntario
30h 43m
1 stop
KIX2:50 pmOsaka Kansai Intl
$1,478

China Airlines flights from Osaka to Ontario

Our best China Airlines deals on Osaka to Ontario flight tickets
China Airlines
Jul 2
KIX2:00 pmOsaka Kansai Intl
20h 40m
1 stop
ONT6:40 pmOntario
Jul 14
ONT12:45 amOntario
20h 05m
1 stop
KIX12:50 pmOsaka Kansai Intl
$1,151
China Airlines
Jul 2
KIX2:00 pmOsaka Kansai Intl
20h 40m
1 stop
ONT6:40 pmOntario
Jul 14
ONT12:45 amOntario
20h 05m
1 stop
KIX12:50 pmOsaka Kansai Intl
$1,153
China Airlines
Sep 16
KIX7:05 pmOsaka Kansai Intl
38h 55m
1 stop
ONT6:00 pmOntario
Sep 20
ONT12:10 amOntario
19h 50m
1 stop
KIX12:00 pmOsaka Kansai Intl
$1,191

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 June 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 8/25

2:15 am-11:34 pm

2 stops37h 19m

Ontario

Sun 8/30

1:06 pm-8:45 pm

2 stops39h 39m

$1,147

OsakaOntario

KIX - ONT

KIXONT

Osaka Kansai Intl

Fri 12/11

2:00 pm-3:55 pm

1 stop18h 55m

Ontario

Fri 12/11

9:45 pm-11:10 am

1 stop20h 25m

$1,188

OsakaOntario

KIX - ONT

KIXONT

Osaka Kansai Intl

Wed 9/16

7:05 pm-6:00 pm

1 stop38h 55m

Ontario

Sun 9/20

12:10 am-12:00 pm

1 stop19h 50m

$1,191

OsakaOntario

KIX - ONT

KIXONT

Osaka Kansai Intl

Fri 8/21

7:05 pm-6:40 pm

1 stop39h 35m

Ontario

Sat 8/29

12:45 am-6:05 pm

1 stop25h 20m

$1,192

OsakaOntario

KIX - ONT

KIXONT

Osaka Kansai Intl

Thu 8/27

2:00 pm-6:40 pm

1 stop20h 40m

Ontario

Wed 9/2

12:45 am-6:05 pm

1 stop25h 20m

$1,193

OsakaOntario

KIX - ONT

KIXONT

Osaka Kansai Intl

Thu 9/17

2:00 pm-6:00 pm

1 stop20h 00m

Ontario

Wed 9/23

12:10 am-6:05 pm

1 stop25h 55m

$1,195

OsakaOntario

ITM - ONT

ITMONT

Osaka Itami

Thu 9/17

9:20 am-7:03 pm

2 stops25h 43m

Ontario

Wed 9/23

6:02 am-7:50 pm

2 stops21h 48m

$1,373

OsakaOntario

ITM - ONT

ITMONT

Osaka Itami

Sat 9/19

8:05 pm-7:03 pm

2 stops38h 58m

Ontario

Wed 9/23

6:02 am-9:35 am

2 stops35h 33m

$1,490

OsakaOntario

ITM - ONT

ITMONT

Osaka Itami

Wed 9/30

12:50 pm-3:22 pm

2 stops18h 32m

Ontario

Wed 10/28

6:00 am-6:10 pm

2 stops20h 10m

$1,953
Quickest round-trip

OsakaOntario

ITM - ONT

ITMONT

Osaka Itami

Tue 9/15

12:50 pm-2:01 pm

2 stops17h 11m

Ontario

Sun 9/20

6:08 am-5:05 pm

2 stops18h 57m

$1,954

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 35% 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 55m

Direct flights

None
The fastest flight from Osaka to Ontario takes 18h 55m
There are no direct flights from Osaka to Ontario. There are no popular flight routes from Osaka to Ontario.
Search flight deals

Frequently asked questions about flying from Osaka to Ontario

  • 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 55m.

  • 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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