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$322+ Cheap flights from Ontario (ONT) to Japan

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 2/20. Fares are subject to change and may not be available on all flights or dates of travel.
ONT — FUK
Jan 21 — Jan 281
Tue 1/21
Tue 1/28
1 adult, Economy
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Cheap flight deals from Ontario to Japan

Discover tips and strategies to find the most affordable flight options for your journey from Ontario (ONT) to Japan (JP0). 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 16, 2025.

Round-trip from

$658
(Kiwi.com)

One-way from

$322
(Trip.com)
From Ontario to Japan
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One-way flight from Ontario to Japan
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Find flight deals from Ontario to Japan

Cheapest flights from Ontario to Japan
Explore the most affordable flight options available from Ontario to Japan. Find the lowest fares from popular airlines and budget airlines, with prices last updated on January 16, 2025.

This Kiwi.com deal was found by Cheapflights users on 1/15. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 2/238:26 amONT - NRT
1 stop18h 29mMultiple Airlines
Sat 3/19:25 pmNRT - ONT
1 stop29h 09mMultiple Airlines
Deal found 1/15$660
This American Airlines deal was found by Cheapflights users on 1/16. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 1/2611:59 pmONT - NRT
2 stops22h 41mAmerican Airlines
Tue 2/115:10 pmNRT - ONT
2 stops15h 19mAmerican Airlines
Deal found 1/16$662
This Delta deal was found by Cheapflights users on 1/16. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 2/186:00 amONT - HND
1 stop16h 20mDelta
Thu 2/274:50 pmHND - ONT
1 stop15h 35mDelta
Deal found 1/16$667
This American Airlines deal was found by Cheapflights users on 1/15. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 2/186:59 amONT - HND
1 stop18h 26mAmerican Airlines
Fri 2/288:25 pmHND - ONT
2 stops18h 39mAmerican Airlines
Deal found 1/15$673
This Trip.com deal was found by Cheapflights users on 1/15. 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.
Wed 1/226:00 amONT - NRT
1 stop16h 40mJapan Airlines
Wed 1/296:10 pmNRT - ONT
1 stop19h 03mJapan Airlines
Deal found 1/15$684
This United deal was found by Cheapflights users on 1/16. 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.
Sat 11/13:15 pmONT - HND
2 stops35h 30mMultiple Airlines
Thu 11/133:30 pmHND - ONT
2 stops16h 11mMultiple Airlines
Deal found 1/16$715
This United Airlines deal was found by Cheapflights users on 1/16. 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.
Wed 1/296:15 amONT - HND
1 stop15h 35mUnited Airlines
Wed 2/1910:55 pmHND - ONT
1 stop14h 45mUnited Airlines
Deal found 1/16$718
This United Airlines deal was found by Cheapflights users on 1/15. 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 2/45:10 amONT - NRT
1 stop17h 35mUnited Airlines
Fri 2/144:50 pmNRT - ONT
1 stop14h 39mUnited Airlines
Deal found 1/15$719
This United Airlines deal was found by Cheapflights users on 1/15. 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.
Sun 2/236:00 amONT - OKA
2 stops20h 50mUnited Airlines
Fri 3/77:30 amOKA - ONT
2 stops32h 15mUnited Airlines
Deal found 1/15$727
This United Airlines deal was found by Cheapflights users on 1/15. 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 2/246:00 amONT - KIX
1 stop17h 35mUnited Airlines
Mon 3/106:30 pmKIX - ONT
1 stop17h 40mUnited Airlines
Deal found 1/15$766
This Hawaiian Airlines deal was found by Cheapflights users on 1/16. 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 9/149:50 amONT - HND
1 stop15h 20mHawaiian Airlines
Tue 9/309:20 pmHND - ONT
1 stop16h 35mHawaiian Airlines
Deal found 1/16$816
This Hawaiian Airlines deal was found by Cheapflights users on 1/14. 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 9/306:00 amONT - NRT
1 stop18h 00mHawaiian Airlines
Tue 10/146:25 pmNRT - ONT
1 stop20h 12mHawaiian Airlines
Deal found 1/14$818

Find flights from Ontario to Japan within your budget

Customize your flight search to find flights from Ontario to Japan 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 16, 2025.

Fly from

Any airport

Fly to

Any airport

Route

Depart

Return

Price

OntarioTokyo

ONT - NRT

ONTNRT

Ontario

Mon 1/27

6:45 am-7:55 pm

1 stop20h 10m

Tokyo Narita

Fri 2/7

9:25 pm-11:31 pm

1 stop19h 06m

$658

OntarioTokyo

ONT - NRT

ONTNRT

Ontario

Sun 1/26

11:59 pm-3:40 pm

2 stops22h 41m

Tokyo Narita

Tue 2/11

5:10 pm-3:29 pm

2 stops15h 19m

$662

OntarioTokyo

ONT - HND

ONTHND

Ontario

Tue 2/18

6:00 am-3:20 pm

1 stop16h 20m

Tokyo Haneda

Thu 2/27

4:50 pm-3:25 pm

1 stop15h 35m

$667

OntarioTokyo

ONT - HND

ONTHND

Ontario

Tue 2/18

6:59 am-6:25 pm

1 stop18h 26m

Tokyo Haneda

Fri 2/28

8:25 pm-10:04 pm

2 stops18h 39m

$673

OntarioTokyo

ONT - HND

ONTHND

Ontario

Wed 1/29

6:15 am-2:50 pm

1 stop15h 35m

Tokyo Haneda

Wed 2/19

10:55 pm-8:40 pm

1 stop14h 45m

$718

OntarioTokyo

ONT - NRT

ONTNRT

Ontario

Tue 2/4

6:15 am-3:00 pm

1 stop15h 45m

Tokyo Narita

Wed 2/19

4:50 pm-2:29 pm

1 stop14h 39m

$719

OntarioOkinawa

ONT - OKA

ONTOKA

Ontario

Sun 2/23

6:00 am-7:50 pm

2 stops20h 50m

Okinawa Naha

Fri 3/7

7:30 am-10:45 pm

2 stops32h 15m

$727

OntarioOsaka

ONT - KIX

ONTKIX

Ontario

Mon 2/24

6:00 am-4:35 pm

1 stop17h 35m

Osaka Kansai Intl

Mon 3/10

6:30 pm-8:10 pm

1 stop17h 40m

$766

OntarioOsaka

ONT - ITM

ONTITM

Ontario

Sun 1/26

11:59 pm-7:25 pm

2 stops26h 26m

Osaka Itami

Wed 1/29

3:25 pm-10:45 pm

2 stops24h 20m

$825

OntarioOsaka

ONT - ITM

ONTITM

Ontario

Thu 3/6

6:00 am-6:10 pm

2 stops19h 10m

Osaka Itami

Thu 3/13

1:00 pm-10:45 pm

2 stops25h 45m

$834

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/16

Showing 1-10 of 60 results
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Best time to book a flight from Ontario to Japan

Have a flexible travel schedule? Discover the best time to fly to Japan 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 Japan

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

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

Currently, November is the cheapest month in which you can book a flight from Ontario to Japan (average of $924). Flying from Ontario to Japan in December is currently the most expensive (average of $1,687). 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 JP?

Find hourly flight availability from Ontario to Japan. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated January 16, 2025.

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Ontario to Japan as you normally would.

Rainfall in Japan by month

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

In terms of precipitation, rainfall in Japan ranges from 2.0 - 8.3 inches per month. September is typically the wettest month, when rainfall can reach 8.3 in. January is typically the driest time to visit Japan when rainfall is around 2.0 in.

Temperature in Japan by month

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

If weather is an important factor for your trip to Japan, 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 80.6 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 Japan

Get insights into the airlines that provide service to Japan. 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 Japan. Reviews last updated January 16, 2025.
Read through reviews of airlines operating flights from Ontario to Japan, such as China Airlines, Hawaiian Airlines and Japan Airlines. 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
1,034 reviews

Food

8.1

Entertainment

8.2

Crew

8.7

Boarding

8.5

Overall

8.5

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
8.5
Very good
1,034 reviews
Korean Air
8.5
Very good
1,034 reviews

Food

8.1

Entertainment

8.2

Crew

8.7

Boarding

8.5

Overall

8.5

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.

Japan Airlines
8.3
Very good
1,448 reviews
Korean Air
8.5
Very good
1,034 reviews

Food

8.1

Entertainment

8.2

Crew

8.7

Boarding

8.5

Overall

8.5

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
8.2
Very good
737 reviews
Korean Air
8.5
Very good
1,034 reviews

Food

8.1

Entertainment

8.2

Crew

8.7

Boarding

8.5

Overall

8.5

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
8,511 reviews
Korean Air
8.5
Very good
1,034 reviews

Food

8.1

Entertainment

8.2

Crew

8.7

Boarding

8.5

Overall

8.5

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
9,681 reviews
Korean Air
8.5
Very good
1,034 reviews

Food

8.1

Entertainment

8.2

Crew

8.7

Boarding

8.5

Overall

8.5

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 Japan. 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 Japan?

    Ontario (ONT) is the airport you will fly out of if you book a flight from Ontario to Japan. It is only a 3.1 mi journey to Ontario (ONT) from Ontario’s city center.

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

    To fly one-way, consider booking your trip with Delta, which is currently one of the cheapest options available, starting at $363. American Airlines flights start at $389 while deals on United Airlines start at $389 one-way.

  • What are the most popular routes from Ontario to Japan?

    The most popular flight routes from Ontario to Japan are Ontario - Tokyo Narita, Ontario - Tokyo Haneda and Ontario - Osaka Kansai Intl.

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

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

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

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

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

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

    Currently, November is the cheapest month in which you can book a flight from Ontario to Japan (average of $924). Flying from Ontario to Japan in December is currently the most expensive (average of $1,687). 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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Top 7 airlines flying from Ontario to Japan

Discover the top 7 airlines that operate flights from Ontario to Japan. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated January 16, 2025.
AirlineCheapestAverageFlexibilityOn-time
ZIPAIRCheapest$624Average$770FlexibilityNo cancel feeOn-timeN/A
ANACheapest$677Average$979FlexibilityNo cancel feeOn-time80%
Japan AirlinesCheapest$683Average$1,059FlexibilityNo cancel feeOn-time79%
American AirlinesCheapest$786Average$1,107FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$796Average$1,179FlexibilityNo cancel feeOn-time69%
DeltaCheapest$895Average$1,148FlexibilityNo cancel feeOn-timeN/A
China AirlinesCheapest$997Average$1,278FlexibilityNo cancel feeOn-time70%
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