Cheap Flights from Ontario to Osaka from €367️ (ONT-OSA)

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Flights from Ontario to Osaka Starting at €367

For as little as €367, you can take your next adventure to Osaka without breaking the bank. Choose between one-way and return tickets from Ontario below.

One way
Round-trip

Crossed out prices are calculated based on the average price of the corresponding route on Trip.com.

Los Angeles to Osaka flight time & flight schedules

Flight info.

Departure

Arrival

Weekly Schedule

UA1575

United Airlines

05:10

ONT

2.3h

08:28

DEN

SMTWTFS

UA143

United Airlines

11:40

DEN

11.8h

14:30

NRT

SMTWTFS

BC101

Skymark Airlines

07:20

HND

1.3h

08:35

UKB

SMTWTFS

UA1575

United Airlines

05:10

ONT

2.3h

08:28

DEN

SMTWTFS

UA143

United Airlines

11:40

DEN

11.8h

14:30

NRT

SMTWTFS

NH985

All Nippon Airways

06:20

HND

1.2h

07:30

ITM

SMTWTFS

AS1091

Alaska Airlines

06:00

ONT

2.7h

08:42

SEA

SMTWTFS

OZ271

Asiana Airlines

14:15

SEA

11.7h

17:55

ICN

SMTWTFS

OZ114

Asiana Airlines

14:05

ICN

1.8h

15:50

KIX

SMTWTFS

DL4042

Delta Air Lines

06:00

ONT

2.9h

08:55

SEA

SMTWTFS

DL167

Delta Air Lines

11:50

SEA

10.4h

14:15

HND

SMTWTFS

GK217

Jetstar Japan

07:25

NRT

1.6h

09:00

KIX

SMTWTFS

UA277

United Airlines

06:00

ONT

1.4h

07:27

SFO

SMTWTFS

UA035

United Airlines

11:15

SFO

12.3h

16:35

KIX

SMTWTFS

HA079

Hawaiian Airlines

09:50

ONT

5.9h

12:45

HNL

SMTWTFS

OZ231

Asiana Airlines

11:50

HNL

10.3h

17:10

ICN

S-T-TFS

OZ112

Asiana Airlines

07:55

ICN

1.8h

09:40

KIX

SMTWTFS

HA079

Hawaiian Airlines

09:50

ONT

5.9h

12:45

HNL

SMTWTFS

OZ231

Asiana Airlines

11:50

HNL

10.3h

17:10

ICN

S-T-TFS

OZ116

Asiana Airlines

19:10

ICN

1.8h

20:55

KIX

SMTWTFS

F91358

Frontier Airlines

14:32

ONT

1.2h

15:46

LAS

S-TWTFS

UA1355

United Airlines

05:50

LAS

1.6h

07:29

SFO

SMTWTFS

UA035

United Airlines

11:15

SFO

12.3h

16:35

KIX

SMTWTFS

UA5394

United Airlines

19:40

ONT

1.6h

21:13

SFO

SMTWTFS

UA035

United Airlines

11:15

SFO

12.3h

16:35

KIX

SMTWTFS

F94758

Frontier Airlines

22:17

ONT

1.2h

23:30

LAS

------S

HA017

Hawaiian Airlines

01:50

LAS

6.3h

05:05

HNL

SMTWTFS

HA449

Hawaiian Airlines

14:15

HNL

9.5h

18:45

KIX

SMTWTFS

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Find the best time to fly from Ontario to Osaka

Price trend charts are a great way of tracking how much your flights cost in the lead up to departure and can help you choose when to book your tickets. See how prices to Osaka from Ontario have changed and are set to move below.

Displayed prices are calculated based on the cheapest average weekly prices of the corresponding route on Trip.com.

FAQ

When are flight tickets from Ontario (ONT) to Osaka (OSA) the cheapest?
Airlines adjust prices for flights from Ontario to Osaka based on the date and time of your booking. By analyzing data from all airlines, on Trip.com, you can find the cheapest flight prices on Tuesdays, Wednesdays, and Saturdays.
How much are flights from Ontario (ONT) to Osaka (OSA) cost?
According to Trip.com's data, the lowest price is around €980.
What is the transportation method from the main airport to downtown in Osaka?
- The distance from Kansai International Airport to downtown is about 37km, by taxi about 50 minutes.
- The distance from Kobe Airport to downtown is about 25km, by taxi about 40 minutes.
- The distance from Osaka International Airport to downtown is about 12km, by taxi about 30 minutes.
How many airports in Osaka (OSA)?
There are 3 airport(s) in Osaka (OSA): Osaka International Airport, Kansai International Airport and Kobe Airport.

How to find a cheap flight from Ontario to Osaka

If you don’t know some of the key things to look out for when buying flight tickets, prices can often end up sky high or, worse, sold out! We’ve carefully compiled our six most important steps to help ensure you’re getting the best deals when planning your next journey.

Be flexible with your travel dates to get the cheapest flight from Ontario to Osaka.

Simply tap "Date" on the flight search bar to browse through the calendar and check out airfare from Ontario to Osaka over the next 6 months in 2025. If you're planning to fly within the next three months, it looks like the most affordable option is on Sun, Feb 23, with one-way flights priced at just €367.

Compare cheap flight deals from Ontario to Osaka across hundreds of airlines.

With our extensive search, you can compare prices from over 500 airlines to find the cheapest flight tickets from Ontario to Osaka. The cheapest airline for this route is United Airlines.

Set up a Price Alert

By setting up a Price Alert for your journey from Ontario to Osaka, you can easily keep an eye on ticket prices without having to check every day.

Don't miss out on cheap flight deals and promo codes from Ontario to Osaka.

You can always find the latest offers through Trip.com Deals and Promo Codes for cheap flights. By signing up for a free membership, you'll get access to even more deals for your flights.

Book early or wait until the last minute.

It's usually best to book early. Flight tickets are often cheapest when they're first released, typically about a year before the departure date. So, have a look online as soon as the flights you're interested in become available. If you miss the cheapest time, you might still find some good deals as the departure date gets closer.

Search for flights on the go.

For the best travel flight booking experience, download the Trip.com app. You can search for cheap flights from Ontario to Osaka and snag some exclusive deals just for you.

Flight Information from Ontario to Osaka

Cheapest direct flight price	€367
Off-season travel month	February
Peak season for travel	December
Flight distance	13,989.7km
Popular airline	China Airlines