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$437+ Cheap flights from Ontario (ONT) to Osaka (OSA)

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 5/19. Fares are subject to change and may not be available on all flights or dates of travel.
ONT — OSA
Nov 26 — Dec 31
Tue 11/26
Tue 12/3
1 adult, Economy
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Cheap flight deals from Ontario to Osaka

Discover tips and strategies to find the most affordable flight options for your journey from Ontario (ONT) to Osaka (OSA). 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 November 21, 2024.

Most accurate provider

AranGrant
3 stars

Most trusted provider

AranGrant
3 stars

Popular in

September

Cheapest in

February

Round-trip from

$827
(United Airlines)

One-way from

$437
(Travelocity)
Provider with most accurate pricing for Ontario-Osaka (OSA) flight deals.
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Provider most trusted by Cheapflights users for Ontario-Osaka (OSA) flights.
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High demand for flights, 25% potential price rise
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Best time to find cheap flights, 40% potential price drop
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From Ontario to Osaka (OSA)
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One-way flight from Ontario to Osaka (OSA)
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Find flight deals from Ontario to Osaka

Cheapest flights from Ontario to Osaka
Explore the most affordable flight options available from Ontario to Osaka. Find the lowest fares from popular airlines and budget airlines, with prices last updated on November 21, 2024.

This United Airlines deal was found by Cheapflights users on 11/19. 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.
Tue 12/106:00 amONT - KIX
1 stop17h 35mUnited Airlines
Wed 12/186:30 pmKIX - ONT
1 stop16h 13mUnited Airlines
Deal found 11/19$838
This ANA deal was found by Cheapflights users on 11/20. 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 ANA is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/46:00 amONT - KIX
1 stop17h 35mMultiple Airlines
Wed 12/116:30 pmKIX - ONT
1 stop13h 03mMultiple Airlines
Deal found 11/20$1,151
This Hawaiian Airlines deal was found by Cheapflights users on 11/20. 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.
Tue 11/2610:05 amONT - KIX
1 stop39h 40mHawaiian Airlines
Tue 12/108:45 pmKIX - ONT
1 stop18h 25mHawaiian Airlines
Deal found 11/20$1,168
This KAYAK deal was found by Cheapflights users on 11/20. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/205:40 amONT - KIX
2 stops42h 20mKorean Air
Wed 11/279:15 amKIX - ONT
2 stops30h 30mKorean Air
Deal found 11/20$1,297
This oojo deal was found by Cheapflights users on 11/19. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/2010:45 pmONT - KIX
1 stop19h 50mChina Airlines
Thu 12/52:30 pmKIX - ONT
1 stop19h 20mChina Airlines
Deal found 11/19$1,370
This United deal was found by Cheapflights users on 11/20. 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 is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/246:00 amONT - ITM
2 stops20h 10mMultiple Airlines
Tue 11/261:00 pmITM - ONT
2 stops17h 00mMultiple Airlines
Deal found 11/20$1,466
This Gurufare deal was found by Cheapflights users on 11/19. 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 Gurufare is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/228:52 pmONT - KIX
2 stops50h 23mQatar Airways
Sat 12/285:45 pmKIX - ONT
2 stops42h 52mQatar Airways
Deal found 11/19$2,292
This United Airlines deal was found by Cheapflights users on 11/19. 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.
Sat 11/236:00 amONT - ITM
2 stops19h 10mUnited Airlines
Mon 11/251:00 pmITM - ONT
2 stops17h 00mUnited Airlines
Deal found 11/19$4,955
This oojo deal was found by Cheapflights users on 11/21. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/2510:45 pmONT - ITM
2 stops28h 15mChina Airlines
Wed 2/55:35 pmITM - ONT
2 stops40h 15mChina Airlines
Deal found 11/21$5,482

Find flights from Ontario to Osaka within your budget

Customize your flight search to find flights from Ontario to Osaka 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 2,629,791 searches. Data last updated November 21, 2024.

Fly from

Any airport

Fly to

Any airport

Route

Depart

Return

Price

OntarioOsaka

ONT - KIX

ONTKIX

Ontario

Fri 1/10

6:15 am-4:35 pm

1 stop17h 20m

Osaka Kansai Intl

Mon 1/20

6:30 pm-8:29 pm

1 stop18h 59m

$827

OntarioOsaka

ONT - ITM

ONTITM

Ontario

Wed 1/15

6:15 am-6:10 pm

2 stops18h 55m

Osaka Itami

Thu 1/23

1:00 pm-5:57 pm

2 stops21h 57m

$995

OntarioOsaka

ONT - KIX

ONTKIX

Ontario

Sat 3/1

6:00 am-9:50 pm

2 stops22h 50m

Osaka Kansai Intl

Wed 4/9

8:25 am-3:46 pm

2 stops23h 21m

$997

OntarioOsaka

ONT - KIX

ONTKIX

Ontario

Sun 3/2

6:00 am-9:00 pm

2 stops22h 00m

Osaka Kansai Intl

Wed 3/19

11:55 am-3:20 pm

2 stops19h 25m

$1,035

OntarioOsaka

ONT - ITM

ONTITM

Ontario

Tue 1/7

6:15 am-6:10 pm

2 stops18h 55m

Osaka Itami

Tue 1/21

1:00 pm-6:04 pm

2 stops22h 04m

$1,089

OntarioOsaka

ONT - KIX

ONTKIX

Ontario

Tue 5/6

12:10 am-12:00 pm

1 stop19h 50m

Osaka Kansai Intl

Wed 5/14

2:00 pm-6:05 pm

1 stop20h 05m

$1,101

OntarioOsaka

ONT - KIX

ONTKIX

Ontario

Wed 1/15

9:35 am-6:45 pm

1 stop40h 10m

Osaka Kansai Intl

Thu 1/23

8:45 pm-9:40 pm

1 stop17h 55m

$1,112

OntarioOsaka

ONT - KIX

ONTKIX

Ontario

Mon 4/14

7:00 am-11:20 am

2 stops36h 20m

Osaka Kansai Intl

Sat 4/19

9:15 am-10:40 pm

2 stops29h 25m

$1,298

OntarioOsaka

ONT - ITM

ONTITM

Ontario

Mon 4/14

11:59 pm-7:05 pm

2 stops27h 06m

Osaka Itami

Sat 4/19

8:30 am-1:31 pm

2 stops21h 01m

$1,425

OntarioOsaka

ONT - ITM

ONTITM

Ontario

Wed 12/25

10:45 pm-8:00 pm

2 stops28h 15m

Osaka Itami

Wed 2/5

5:35 pm-4:50 pm

2 stops40h 15m

$5,482

Flights are sorted by cheapest round-trip flights first.

Deals found on 11/20

Showing 1-10 of 21 results
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Compare providers for flights from Ontario to Osaka

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Ontario to Osaka in November.
ProviderPrice AccuracyTrust Score*
AranGrantPrice Accuracy3 starsTrust Score*3 stars
ScholarTripPrice Accuracy3 starsTrust Score*3 stars
ExpediaPrice Accuracy1 starTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*3 stars
eDreamsPrice Accuracy3 starsTrust Score*3 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on Ontario-Osaka flights, users find the pricing of AranGrant to be most consistent on Cheapflights vs. AranGrant Users can find the same prices on Ontario-Osaka flight deals on Cheapflights vs. AranGrant >95% of the time. Price accuracy is based on data collected from Ontario-Osaka flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Ontario-Osaka flights, Cheapflights users trust AranGrant the most. AranGrant 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 Ontario-Osaka 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 Ontario to Osaka

Have a flexible travel schedule? Discover the best time to fly to Osaka from Ontario 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 Ontario to Osaka

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

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

Currently, November is the cheapest month in which you can book a flight from Ontario to Osaka (average of $975). Flying from Ontario to Osaka in July is currently the most expensive (average of $1,284). 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.

What is the cheapest time of day to fly from ONT to OSA?

Find hourly flight availability from Ontario to Osaka. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated November 21, 2024.

A simple way to save on the total cost of your ticket is to fly from Ontario to Osaka at noon. If you’re flexible enough to do this you can expect to save up to 26% on your trip compared to booking a flight in the morning.

Rainfall in Osaka by month

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

In terms of precipitation, rainfall in Osaka ranges from 1.6 - 7.9 inches per month. June is typically the wettest month, when rainfall can reach 7.9 in. January is typically the driest time to visit Osaka when rainfall is around 1.6 in.

Temperature in Osaka by month

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

If weather is an important factor for your trip to Osaka, 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 84.2 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 42.8 F).

Reviews of airlines servicing Osaka

Get insights into the airlines that provide service to Osaka. 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 Osaka. Reviews last updated November 21, 2024.
See what other customers who have flown with United Airlines, Hawaiian Airlines and China Airlines from Ontario to Osaka have to say. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
Korean Air
8.5
Very good
1,025 reviews

Entertainment

8.2

Comfort

8.3

Crew

8.7

Overall

8.5

Boarding

8.5

Food

8.1

Reviews

1 / 10

Ticket counter agent need to be more patient. Food was not good. It was not good like in the past.. Cabin was too hot.

Korean Air
8.5
Very good
1,025 reviews
Korean Air
8.5
Very good
1,025 reviews

Entertainment

8.2

Comfort

8.3

Crew

8.7

Overall

8.5

Boarding

8.5

Food

8.1

Reviews

1 / 10

Ticket counter agent need to be more patient. Food was not good. It was not good like in the past.. Cabin was too hot.

China Airlines
8.3
Very good
778 reviews
Korean Air
8.5
Very good
1,025 reviews

Entertainment

8.2

Comfort

8.3

Crew

8.7

Overall

8.5

Boarding

8.5

Food

8.1

Reviews

1 / 10

Ticket counter agent need to be more patient. Food was not good. It was not good like in the past.. Cabin was too hot.

Delta
8.0
Very good
8,758 reviews
Korean Air
8.5
Very good
1,025 reviews

Entertainment

8.2

Comfort

8.3

Crew

8.7

Overall

8.5

Boarding

8.5

Food

8.1

Reviews

1 / 10

Ticket counter agent need to be more patient. Food was not good. It was not good like in the past.. Cabin was too hot.

Hawaiian Airlines
7.9
Good
2,287 reviews
Korean Air
8.5
Very good
1,025 reviews

Entertainment

8.2

Comfort

8.3

Crew

8.7

Overall

8.5

Boarding

8.5

Food

8.1

Reviews

1 / 10

Ticket counter agent need to be more patient. Food was not good. It was not good like in the past.. Cabin was too hot.

Qatar Airways
7.5
Good
3,832 reviews
Korean Air
8.5
Very good
1,025 reviews

Entertainment

8.2

Comfort

8.3

Crew

8.7

Overall

8.5

Boarding

8.5

Food

8.1

Reviews

1 / 10

Ticket counter agent need to be more patient. Food was not good. It was not good like in the past.. Cabin was too hot.

Related info for your journey

Find useful and relevant information for your journey from Ontario to Osaka. 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 from for flights from Ontario to Osaka?

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

  • What are the cheapest airlines flying from Ontario to Osaka round-trip?

    Our cheapest airline available from Ontario to Osaka is United Airlines. Our recent data shows that you can find tickets from as low as $827 on this airline. Additional options worth looking into are Korean Air and Hawaiian Airlines, starting at $1,035 and $1,112 round-trip. United Airlines is currently priced 26% below the average price you’ll pay for this route.

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

    The cheapest airline one-way is United Airlines, with whom users have recently found tickets for as low as $510. However, be on the lookout for offers from Hawaiian Airlines and Korean Air, as they are both options that can get you from Ontario to Osaka for a low price.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Ontario to Osaka 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 Ontario to Osaka?

    Currently, November is the cheapest month in which you can book a flight from Ontario to Osaka (average of $975). Flying from Ontario to Osaka in July is currently the most expensive (average of $1,284). 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.

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