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Cheap flights from Osaka to Los Angeles from $433

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 4/1. 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
1:10 pm - 6:00 pm
KIX
-
ONT
20h 50m
1 stop
China Airlines Logo
12:10 am - 6:05 pm
ONT
-
KIX
25h 55m
1 stop
$795China Airlines
ter, jun 23 - sáb, jun 27
China Airlines Logo
1:10 pm - 6:00 pm
KIX
-
ONT
20h 50m
1 stop
China Airlines Logo
12:10 am - 12:50 pm
ONT
-
KIX
20h 40m
1 stop
$804China Airlines
qui, abr 23 - qua, mai 6
China Airlines Logo
1:10 pm - 6:00 pm
KIX
-
ONT
20h 50m
1 stop
China Airlines Logo
12:10 am - 12:00 pm
ONT
-
KIX
19h 50m
1 stop
$824China Airlines
ter, abr 28 - dom, mai 3
China Airlines Logo
1:10 pm - 6:00 pm
KIX
-
ONT
20h 50m
1 stop
China Airlines Logo
12:10 am - 12:00 pm
ONT
-
KIX
19h 50m
1 stop
$826China Airlines
ter, abr 28 - dom, mai 3
United Airlines Logo
6:35 pm - 8:50 pm
KIX
-
ONT
19h 15m
2 stops
United Airlines Logo
6:37 pm - 4:40 pm
ONT
-
KIX
29h 03m
1 stop
$899United Airlines
ter, fev 24 - dom, mar 1
STARLUX Airlines Logo
12:20 pm - 4:50 pm
KIX
-
ONT
20h 30m
1 stop
STARLUX Airlines Logo
11:10 pm - 2:00 pm
ONT
-
KIX
22h 50m
1 stop
$903STARLUX Airlines
qua, mar 25 - qua, abr 1
ANA Logo
6:35 pm - 5:41 pm
KIX
-
ONT
16h 06m
1 stop
ANA Logo
1:53 pm - 4:40 pm
ONT
-
KIX
33h 47m
1 stop
$908ANA
ter, fev 24 - sáb, fev 28
United Airlines Logo
6:35 pm - 12:43 pm
KIX
-
ONT
35h 08m
2 stops
United Airlines Logo
5:10 am - 2:50 pm
ONT
-
KIX
41h 40m
2 stops
$953United Airlines
qui, fev 26 - seg, abr 6
Multiple Airlines Logo
2:40 pm - 3:08 pm
ITM
-
ONT
17h 28m
2 stops
Multiple Airlines Logo
4:02 pm - 7:50 pm
ONT
-
ITM
34h 48m
2 stops
$993Multiple Airlines
sex, fev 27 - ter, mar 3
Multiple Airlines Logo
2:40 pm - 11:08 am
ITM
-
ONT
37h 28m
2 stops
Multiple Airlines Logo
4:02 pm - 7:50 pm
ONT
-
ITM
34h 48m
2 stops
$1,001Multiple Airlines
sex, fev 27 - ter, mar 3

United Airlines flights from Osaka to Ontario

Our best United Airlines deals on Osaka to Ontario flight tickets
United Airlines
Feb 24
KIX6:35 pmOsaka Kansai Intl
16h 06m
1 stop
ONT5:41 pmOntario
Mar 1
ONT6:09 amOntario
17h 31m
1 stop
KIX4:40 pmOsaka Kansai Intl
$899
United Airlines
Feb 16
KIX6:35 pmOsaka Kansai Intl
16h 06m
1 stop
ONT5:41 pmOntario
Feb 24
ONT6:10 amOntario
17h 30m
1 stop
KIX4:40 pmOsaka Kansai Intl
$914
United Airlines
Feb 26
KIX6:35 pmOsaka Kansai Intl
21h 22m
1 stop
ONT10:57 pmOntario
Apr 6
ONT5:10 amOntario
41h 40m
2 stops
KIX2:50 pmOsaka Kansai Intl
$953

China Airlines flights from Osaka to Ontario

Our best China Airlines deals on Osaka to Ontario flight tickets
China Airlines
Jun 23
KIX1:10 pmOsaka Kansai Intl
20h 50m
1 stop
ONT6:00 pmOntario
Jun 27
ONT12:10 amOntario
25h 55m
1 stop
KIX6:05 pmOsaka Kansai Intl
$795
China Airlines
Apr 23
KIX1:10 pmOsaka Kansai Intl
20h 50m
1 stop
ONT6:00 pmOntario
May 6
ONT12:10 amOntario
20h 40m
1 stop
KIX12:50 pmOsaka Kansai Intl
$804
China Airlines
Apr 28
KIX1:10 pmOsaka Kansai Intl
20h 50m
1 stop
ONT6:00 pmOntario
May 3
ONT12:10 amOntario
19h 50m
1 stop
KIX12:00 pmOsaka Kansai Intl
$824

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 fevereiro 12, 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

OsakaOntario

KIX - ONT

KIXONT

Osaka Kansai Intl

ter 6/23

1:10 pm-6:00 pm

1 stop20h 50m

Ontario

sáb 6/27

12:10 am-6:05 pm

1 stop25h 55m

$795

OsakaOntario

KIX - ONT

KIXONT

Osaka Kansai Intl

qui 4/23

1:10 pm-6:00 pm

1 stop20h 50m

Ontario

qua 5/6

12:10 am-12:50 pm

1 stop20h 40m

$804

OsakaOntario

KIX - ONT

KIXONT

Osaka Kansai Intl

ter 4/28

1:10 pm-6:00 pm

1 stop20h 50m

Ontario

dom 5/3

12:10 am-12:00 pm

1 stop19h 50m

$824

OsakaOntario

KIX - ONT

KIXONT

Osaka Kansai Intl

ter 4/28

1:10 pm-6:00 pm

1 stop20h 50m

Ontario

dom 5/3

12:10 am-12:00 pm

1 stop19h 50m

$826

OsakaOntario

KIX - ONT

KIXONT

Osaka Kansai Intl

ter 2/24

6:35 pm-8:50 pm

2 stops19h 15m

Ontario

dom 3/1

6:37 pm-4:40 pm

1 stop29h 03m

$899

OsakaOntario

KIX - ONT

KIXONT

Osaka Kansai Intl

qua 3/25

12:20 pm-4:50 pm

1 stop20h 30m

Ontario

qua 4/1

11:10 pm-2:00 pm

1 stop22h 50m

$903

OsakaOntario

KIX - ONT

KIXONT

Osaka Kansai Intl

ter 2/24

6:35 pm-5:41 pm

1 stop16h 06m

Ontario

sáb 2/28

1:53 pm-4:40 pm

1 stop33h 47m

$908

OsakaOntario

KIX - ONT

KIXONT

Osaka Kansai Intl

qui 2/26

6:35 pm-12:43 pm

2 stops35h 08m

Ontario

seg 4/6

5:10 am-2:50 pm

2 stops41h 40m

$953

OsakaOntario

ITM - ONT

ITMONT

Osaka Itami

sex 2/27

2:40 pm-3:08 pm

2 stops17h 28m

Ontario

ter 3/3

4:02 pm-7:50 pm

2 stops34h 48m

$993

OsakaOntario

ITM - ONT

ITMONT

Osaka Itami

sex 2/27

2:40 pm-11:08 am

2 stops37h 28m

Ontario

ter 3/3

4:02 pm-7:50 pm

2 stops34h 48m

$1,001

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

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

Korean Air and United Airlines are the most popular carriers operating from Osaka to Ontario

What airlines fly to Ontario?

Asiana Airlines, Japan Airlines and EVA Air are the top three most popular airlines that fly to Ontario from Osaka according to our data. Asiana Airlines is the first choice among our users, with 45% of people opting to fly with this airline when traveling to Ontario. Keep in mind that there are 3 different airlines that fly to Ontario on a routine basis, so you have a few additional options to choose from.

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

20h 15m

Direct flights

None
The fastest flight from Osaka to Ontario takes 20h 15m
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 20h 15m.

  • 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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