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$527+ Cheap flights from Osaka (OSA) to Ontario (ONT)

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 3/26. Fares are subject to change and may not be available on all flights or dates of travel.
OSA — ONT
Jan 28 — Feb 41
Tue 1/28
Tue 2/4
1 adult, Economy
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Cheap flight deals from Osaka to Ontario

Discover tips and strategies to find the most affordable flight options for your journey from Osaka (OSA) to Ontario (ONT). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated January 23, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$920
(China Airlines)

One-way from

$527
(United Airlines)
Provider with most accurate pricing for Osaka (OSA)-Ontario flight deals.
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Provider most trusted by Cheapflights users for Osaka (OSA)-Ontario flights.
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From Osaka (OSA) to Ontario
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One-way flight from Osaka (OSA) to Ontario
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Find flight deals from Osaka to Ontario

Cheapest flights from Osaka to Ontario
Explore the most affordable flight options available from Osaka to Ontario. Find the lowest fares from popular airlines and budget airlines, with prices last updated on January 23, 2025.

This China Airlines deal was found by Cheapflights users on 1/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure China Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 2/1812:45 pmKIX - ONT
1 stop21h 05mChina Airlines
Tue 2/2510:45 pmONT - KIX
1 stop19h 50mChina Airlines
Deal found 1/23$920
This United Airlines deal was found by Cheapflights users on 1/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 2/106:30 pmKIX - ONT
2 stops19h 21mUnited Airlines
Mon 3/106:00 amONT - KIX
1 stop18h 35mUnited Airlines
Deal found 1/23$1,037
This Hawaiian Airlines deal was found by Cheapflights users on 1/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Hawaiian Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/168:45 pmKIX - ONT
1 stop17h 05mHawaiian Airlines
Thu 4/249:45 amONT - KIX
1 stop17h 00mHawaiian Airlines
Deal found 1/22$1,045
This Korean Air deal was found by Cheapflights users on 1/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Korean Air is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 3/1611:55 amKIX - ONT
2 stops20h 47mKorean Air
Sat 3/225:40 amONT - KIX
2 stops37h 05mKorean Air
Deal found 1/23$1,046
This Trip.com deal was found by Cheapflights users on 1/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 3/247:30 amKIX - ONT
2 stops26h 20mMultiple Airlines
Sun 3/3012:10 amONT - KIX
2 stops29h 40mMultiple Airlines
Deal found 1/23$1,117
This United Airlines deal was found by Cheapflights users on 1/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/2912:00 pmITM - ONT
2 stops19h 46mUnited Airlines
Thu 10/96:00 amONT - ITM
2 stops19h 05mUnited Airlines
Deal found 1/22$1,460
This flugladen.de deal was found by Cheapflights users on 1/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure flugladen.de is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 3/1612:30 pmITM - ONT
2 stops24h 25mMultiple Airlines
Fri 3/218:50 amONT - ITM
2 stops30h 40mMultiple Airlines
Deal found 1/23$1,888
This KLM deal was found by Cheapflights users on 1/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/251:00 pmKIX - ONT
2 stops43h 34mKLM
Tue 4/111:42 amONT - KIX
2 stops30h 38mKLM
Deal found 1/23$2,235

Find flights from Osaka to Ontario within your budget

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, Cheapflights users made 2,558,603 searches. Data last updated January 23, 2025.

Fly from

Any airport

Fly to

Any airport

Route

Depart

Return

Price

OsakaOntario

KIX - ONT

KIXONT

Osaka Kansai Intl

Tue 2/18

12:45 pm-4:50 pm

1 stop21h 05m

Ontario

Tue 2/25

10:45 pm-11:35 am

1 stop19h 50m

$920

OsakaOntario

KIX - ONT

KIXONT

Osaka Kansai Intl

Mon 2/10

6:30 pm-8:51 pm

2 stops19h 21m

Ontario

Mon 3/10

6:00 am-4:35 pm

1 stop18h 35m

$1,037

OsakaOntario

KIX - ONT

KIXONT

Osaka Kansai Intl

Wed 4/16

8:45 pm-9:50 pm

1 stop17h 05m

Ontario

Thu 4/24

9:45 am-6:45 pm

1 stop17h 00m

$1,045

OsakaOntario

KIX - ONT

KIXONT

Osaka Kansai Intl

Sun 3/16

11:55 am-4:42 pm

2 stops20h 47m

Ontario

Sat 3/22

5:40 am-10:45 am

2 stops37h 05m

$1,046

OsakaOntario

KIX - ONT

KIXONT

Osaka Kansai Intl

Mon 3/24

7:30 am-5:50 pm

2 stops26h 20m

Ontario

Sun 3/30

12:10 am-9:50 pm

2 stops29h 40m

$1,117

OsakaOntario

ITM - ONT

ITMONT

Osaka Itami

Wed 3/26

1:00 pm-6:04 pm

2 stops21h 04m

Ontario

Sat 3/29

6:45 pm-5:05 pm

2 stops30h 20m

$1,563

OsakaOntario

ITM - ONT

ITMONT

Osaka Itami

Sun 3/16

12:30 pm-8:55 pm

2 stops24h 25m

Ontario

Fri 3/21

8:50 am-7:30 am

2 stops30h 40m

$1,888

OsakaOntario

KIX - ONT

KIXONT

Osaka Kansai Intl

Tue 3/25

1:00 pm-4:34 pm

2 stops43h 34m

Ontario

Tue 4/1

11:42 am-10:20 am

2 stops30h 38m

$2,235

OsakaOntario

KIX - ONT

KIXONT

Osaka Kansai Intl

Wed 3/26

6:30 pm-8:57 pm

2 stops42h 27m

$527

OsakaOntario

KIX - ONT

KIXONT

Osaka Kansai Intl

Sun 3/23

2:30 pm-5:50 pm

1 stop19h 20m

$568

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/22

Showing 1-10 of 21 results
1
2
3
  • Most accurate provider: When it comes to deals on Osaka-Ontario flights, users find the pricing of eDreams to be most consistent on Cheapflights vs. eDreams Users can find the same prices on Osaka-Ontario flight deals on Cheapflights vs. eDreams >95% of the time. Price accuracy is based on data collected from Osaka-Ontario flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Osaka-Ontario flights, Cheapflights users trust eDreams the most. eDreams has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Osaka-Ontario flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

Best time to book a flight from Osaka to Ontario

Have a flexible travel schedule? Discover the best time to fly to Ontario from Osaka with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Travel insights for flights from Osaka to Ontario

Get recent, data-driven insights about flights from Osaka to Ontario including ideal travel times, pricing trends, and more.

What is the cheapest month to book a flight from Osaka to Ontario?

Currently, August is the cheapest month in which you can book a flight from Osaka to Ontario (average of $246). Flying from Osaka to Ontario in March is currently the most expensive (average of $310). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

Rainfall in Ontario by month

Plan your trip to Ontario by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Ontario ranges from 0.1 - 3.4 inches per month. February is typically the wettest month, when rainfall can reach 3.4 in. June is typically the driest time to visit Ontario when rainfall is around 0.1 in.

Temperature in Ontario by month

Plan your trip to Ontario by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Ontario, use this chart to help with planning. For those seeking warmer temperatures, August is the ideal time of year to visit, when temperatures reach an average of 78.8 F. Travelers looking to avoid the cold should look outside of December, when temperatures are typically at their lowest (around 53.6 F).

Reviews of airlines servicing Ontario

Get insights into the airlines that provide service to Ontario. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Ontario. Reviews last updated January 23, 2025.
Korean Air
8.5
Very good
1,037 reviews

Food

8.1

Boarding

8.5

Crew

8.8

Entertainment

8.2

Comfort

8.3

Overall

8.5

Reviews

1 / 10

Flight was short, so we did not get food, but that is expected. Only have entertainment a fair rating because no wifi is provided onboard. Good flight overall.

Korean Air
8.5
Very good
1,037 reviews
Korean Air
8.5
Very good
1,037 reviews

Food

8.1

Boarding

8.5

Crew

8.8

Entertainment

8.2

Comfort

8.3

Overall

8.5

Reviews

1 / 10

Flight was short, so we did not get food, but that is expected. Only have entertainment a fair rating because no wifi is provided onboard. Good flight overall.

Japan Airlines
8.3
Very good
1,446 reviews
Korean Air
8.5
Very good
1,037 reviews

Food

8.1

Boarding

8.5

Crew

8.8

Entertainment

8.2

Comfort

8.3

Overall

8.5

Reviews

1 / 10

Flight was short, so we did not get food, but that is expected. Only have entertainment a fair rating because no wifi is provided onboard. Good flight overall.

China Airlines
8.2
Very good
732 reviews
Korean Air
8.5
Very good
1,037 reviews

Food

8.1

Boarding

8.5

Crew

8.8

Entertainment

8.2

Comfort

8.3

Overall

8.5

Reviews

1 / 10

Flight was short, so we did not get food, but that is expected. Only have entertainment a fair rating because no wifi is provided onboard. Good flight overall.

Delta
8.0
Very good
8,508 reviews
Korean Air
8.5
Very good
1,037 reviews

Food

8.1

Boarding

8.5

Crew

8.8

Entertainment

8.2

Comfort

8.3

Overall

8.5

Reviews

1 / 10

Flight was short, so we did not get food, but that is expected. Only have entertainment a fair rating because no wifi is provided onboard. Good flight overall.

Hawaiian Airlines
7.9
Good
2,332 reviews
Korean Air
8.5
Very good
1,037 reviews

Food

8.1

Boarding

8.5

Crew

8.8

Entertainment

8.2

Comfort

8.3

Overall

8.5

Reviews

1 / 10

Flight was short, so we did not get food, but that is expected. Only have entertainment a fair rating because no wifi is provided onboard. Good flight overall.

Related info for your journey

Find useful and relevant information for your journey from Osaka to Ontario. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly into for flights to Ontario from Osaka?

    Most people fly into Ontario (ONT) if they book a flight to Ontario from Osaka. On average, Ontario has 0 inbound flights from Osaka per day from 0 airlines. Ontario is conveniently located just 3.1 mi from Ontario’s city center.

  • What are the cheapest airlines to fly from Osaka to Ontario one-way?

    To fly one-way, consider booking your trip with United Airlines, which is currently one of the cheapest options available, starting at $527. China Airlines flights start at $568 while deals on Delta start at $577 one-way.

  • Can I find deals for flights from Osaka to Ontario that include hotel bookings?

    Yes. In addition to deals on Osaka to Ontario flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Osaka to Ontario?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Osaka to Ontario.

  • Can I find deals for business class flights from Osaka to Ontario?

    Yes. Cheapflights offers flight deals from Osaka to Ontario by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Osaka to Ontario?

    Currently, August is the cheapest month in which you can book a flight from Osaka to Ontario (average of $246). Flying from Osaka to Ontario in March is currently the most expensive (average of $310). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

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