HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Osaka

$492+ 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 1/16. Fares are subject to change and may not be available on all flights or dates of travel.
ONT — OSA
Dec 25 — Jan 11
Wed 12/25
Wed 1/1
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Ontario to Osaka with Cheapflights

1. Tell us where you want to go
Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”
2. Select your favorite providers
We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.
3. Compare prices and book
Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

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 December 20, 2024.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$718
(United Airlines)

One-way from

$492
(United Airlines)

Popular in

September

Cheapest in

February
Provider with most accurate pricing for Ontario-Osaka (OSA) flight deals.
Search Deals
Provider most trusted by Cheapflights users for Ontario-Osaka (OSA) flights.
Search Deals
From Ontario to Osaka (OSA)
Search Deals
One-way flight from Ontario to Osaka (OSA)
Search Deals
High demand for flights, 10% potential price rise
Search Deals
Best time to find cheap flights, 3% potential price drop
Search Deals

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 December 20, 2024.

This United Airlines deal was found by Cheapflights users on 12/19. 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 12/2410:39 amONT - KIX
1 stop36h 56mUnited Airlines
Mon 12/306:30 pmKIX - ONT
1 stop21h 30mUnited Airlines
Deal found 12/19$1,142
This KAYAK deal was found by Cheapflights users on 12/18. 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.
Thu 12/267:00 amONT - KIX
2 stops21h 00mKorean Air
Mon 2/176:10 pmKIX - ONT
2 stops38h 15mKorean Air
Deal found 12/18$1,329
This China Airlines deal was found by Cheapflights users on 12/19. 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 China Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/3110:45 pmONT - KIX
1 stop21h 35mChina Airlines
Thu 1/92:30 pmKIX - ONT
1 stop19h 20mChina Airlines
Deal found 12/19$1,711
This Hawaiian Airlines deal was found by Cheapflights users on 12/19. 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 Hawaiian Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/2910:05 amONT - KIX
1 stop39h 40mHawaiian Airlines
Thu 1/98:45 pmKIX - ONT
1 stop17h 55mHawaiian Airlines
Deal found 12/19$1,914
This SmartFares deal was found by Cheapflights users on 12/19. 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 SmartFares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/246:00 amONT - KIX
2 stops41h 15mQatar Airways
Wed 1/16:00 pmKIX - ONT
2 stops40h 09mQatar Airways
Deal found 12/19$2,142
This Mytrip deal was found by Cheapflights users on 12/18. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/257:00 amONT - KIX
2 stops20h 55mMultiple Airlines
Thu 1/99:50 amKIX - ONT
2 stops22h 35mMultiple Airlines
Deal found 12/18$2,289
This United deal was found by Cheapflights users on 12/19. 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 is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/226:00 amONT - ITM
2 stops20h 10mMultiple Airlines
Tue 12/311:00 pmITM - ONT
2 stops17h 16mMultiple Airlines
Deal found 12/19$2,847
This United deal was found by Cheapflights users on 12/19. 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 is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/226:10 amONT - ITM
2 stops43h 00mUnited Airlines
Mon 12/301:00 pmITM - ONT
2 stops17h 16mUnited Airlines
Deal found 12/19$2,894
This oojo deal was found by Cheapflights users on 12/19. 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.
Sun 12/2210:45 pmONT - ITM
2 stops28h 15mChina Airlines
Mon 1/610:20 amITM - ONT
2 stops23h 30mChina Airlines
Deal found 12/19$5,429

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 2,558,603 searches. Data last updated December 20, 2024.

Fly from

Any airport

Fly to

Any airport

Route

Depart

Return

Price

OntarioOsaka

ONT - KIX

ONTKIX

Ontario

Sun 1/26

6:15 am-4:35 pm

1 stop17h 20m

Osaka Kansai Intl

Wed 2/12

6:30 pm-6:04 pm

1 stop16h 34m

$718

OntarioOsaka

ONT - KIX

ONTKIX

Ontario

Sat 4/26

7:05 am-2:50 pm

1 stop15h 45m

Osaka Kansai Intl

Sun 5/4

4:50 pm-2:25 pm

1 stop13h 35m

$842

OntarioOsaka

ONT - KIX

ONTKIX

Ontario

Sun 2/9

6:00 am-9:00 pm

2 stops22h 00m

Osaka Kansai Intl

Mon 2/17

9:15 am-10:32 pm

2 stops30h 17m

$936

OntarioOsaka

ONT - KIX

ONTKIX

Ontario

Fri 2/21

6:00 am-9:00 pm

2 stops22h 00m

Osaka Kansai Intl

Fri 2/28

11:55 am-3:25 pm

2 stops20h 30m

$942

OntarioOsaka

ONT - KIX

ONTKIX

Ontario

Mon 4/7

9:20 am-6:45 pm

1 stop17h 25m

Osaka Kansai Intl

Mon 4/21

8:45 pm-8:15 pm

1 stop15h 30m

$967

OntarioOsaka

ONT - ITM

ONTITM

Ontario

Sun 4/27

7:05 am-6:10 pm

2 stops19h 05m

Osaka Itami

Wed 5/14

12:00 pm-12:15 pm

2 stops16h 15m

$990

OntarioOsaka

ONT - KIX

ONTKIX

Ontario

Thu 3/13

11:45 pm-5:50 pm

1 stop26h 05m

Osaka Kansai Intl

Mon 3/24

12:45 pm-5:50 pm

1 stop21h 05m

$1,061

OntarioOsaka

ONT - ITM

ONTITM

Ontario

Mon 1/20

6:15 am-6:10 pm

2 stops18h 55m

Osaka Itami

Tue 1/28

1:00 pm-6:04 pm

2 stops22h 04m

$1,067

OntarioOsaka

ONT - ITM

ONTITM

Ontario

Wed 1/8

10:45 pm-8:00 pm

2 stops28h 15m

Osaka Itami

Sun 1/19

7:20 am-4:50 pm

2 stops26h 30m

$5,429

OntarioOsaka

ONT - KIX

ONTKIX

Ontario

Thu 1/16

6:15 am-4:35 pm

1 stop17h 20m

$492

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/18

Showing 1-10 of 20 results
1
2

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 December.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*3 stars
AranGrantPrice Accuracy3 starsTrust Score*2 stars
eDreamsPrice Accuracy3 starsTrust Score*3 stars
ScholarTripPrice 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 FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Ontario-Osaka flight deals on Cheapflights vs. FlightHub >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 FlightHub the most. FlightHub 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 $950). Flying from Ontario to Osaka in December is currently the most expensive (average of $1,366). 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 December 20, 2024.

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

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 December 20, 2024.
See what other customers who have flown with Korean Air, China Airlines and United 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
8.4
Very good
1,023 reviews

Overall

8.4

Crew

8.7

Boarding

8.5

Entertainment

8.2

Food

8.1

Comfort

8.3

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
8.4
Very good
1,023 reviews
Korean Air
8.4
Very good
1,023 reviews

Overall

8.4

Crew

8.7

Boarding

8.5

Entertainment

8.2

Food

8.1

Comfort

8.3

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
8.3
Very good
754 reviews
Korean Air
8.4
Very good
1,023 reviews

Overall

8.4

Crew

8.7

Boarding

8.5

Entertainment

8.2

Food

8.1

Comfort

8.3

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.

Alaska Airlines
8.0
Very good
9,547 reviews
Korean Air
8.4
Very good
1,023 reviews

Overall

8.4

Crew

8.7

Boarding

8.5

Entertainment

8.2

Food

8.1

Comfort

8.3

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
8,601 reviews
Korean Air
8.4
Very good
1,023 reviews

Overall

8.4

Crew

8.7

Boarding

8.5

Entertainment

8.2

Food

8.1

Comfort

8.3

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
2,296 reviews
Korean Air
8.4
Very good
1,023 reviews

Overall

8.4

Crew

8.7

Boarding

8.5

Entertainment

8.2

Food

8.1

Comfort

8.3

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 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 $718 on this airline. Additional options worth looking into are Delta and Korean Air, starting at $936 and $942 round-trip. United Airlines is currently priced 35% 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 $492. However, be on the lookout for offers from Hawaiian Airlines and China Airlines, 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 $950). Flying from Ontario to Osaka in December is currently the most expensive (average of $1,366). 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

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.
100% Free
Cheapflights is completely free to use, so you can start saving the moment you arrive.
Book with Flexibility
Our users can plan ahead with confidence and find flights with no change fees
Travel Smart
Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.