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$347+ 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 4/24. Fares are subject to change and may not be available on all flights or dates of travel.
ONT — FUK
abr. 1 — abr. 81
mar. 4/1
mar. 4/8
1 adult, Economy
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Cheap flight deals from Ontario to Japan

Keep the following information in mind while searching for Ontario to Japan flight deals. Data was last updated marzo 27, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$757
(American Airlines)

One-way from

$347
(Trip.com)

Popular in

June

Cheapest in

February

Average price

$959
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From Ontario to Japan
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One-way flight from Ontario to Japan
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Highest demand for flights based on searches. 13% potential increase in price ($142 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease ($20 potential savings vs. average RT price).
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Average for round-trip flights in March 2025
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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 marzo 27, 2025.

This American Airlines deal was found by Cheapflights users on 3/26. 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.
jue. 9/116:38 amONT - HND
1 stop17h 17mAmerican Airlines
mié. 9/174:30 pmHND - ONT
1 stop21h 26mAmerican Airlines
Deal found 3/26$757
This American Airlines deal was found by Cheapflights users on 3/25. 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.
lun. 10/206:47 amONT - KIX
2 stops19h 58mAmerican Airlines
lun. 10/275:50 pmKIX - ONT
2 stops19h 50mAmerican Airlines
Deal found 3/25$763
This American Airlines deal was found by Cheapflights users on 3/26. 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.
jue. 9/116:48 amONT - NRT
2 stops17h 57mAmerican Airlines
mié. 9/175:20 pmNRT - ONT
2 stops16h 31mAmerican Airlines
Deal found 3/26$763
This United Airlines deal was found by Cheapflights users on 3/26. 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.
lun. 9/156:36 pmONT - HND
1 stop17h 54mUnited Airlines
lun. 9/229:55 pmHND - ONT
2 stops30h 18mUnited Airlines
Deal found 3/26$784
This Kiwi.com deal was found by Cheapflights users on 3/26. 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.
dom. 5/118:24 amONT - NRT
1 stop19h 36mMultiple Airlines
mar. 5/277:10 pmNRT - ONT
2 stops31h 47mMultiple Airlines
Deal found 3/26$794
This United Airlines deal was found by Cheapflights users on 3/27. 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.
lun. 9/85:45 amONT - NRT
1 stop17h 10mUnited Airlines
lun. 9/225:00 pmNRT - ONT
1 stop21h 53mUnited Airlines
Deal found 3/27$800
This United Airlines deal was found by Cheapflights users on 3/25. 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.
lun. 9/16:00 amONT - KIX
1 stop16h 50mUnited Airlines
mié. 9/104:50 pmKIX - ONT
1 stop16h 52mUnited Airlines
Deal found 3/25$808
This United Airlines deal was found by Cheapflights users on 3/25. 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.
mié. 9/246:00 amONT - FUK
2 stops19h 35mUnited Airlines
vie. 10/311:45 amFUK - ONT
2 stops27h 08mUnited Airlines
Deal found 3/25$814
This United Airlines deal was found by Cheapflights users on 3/26. 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.
mar. 10/286:00 amONT - CTS
2 stops20h 35mUnited Airlines
mié. 11/121:30 pmCTS - ONT
2 stops26h 05mUnited Airlines
Deal found 3/26$817
This United deal was found by Cheapflights users on 3/25. 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.
lun. 9/16:00 amONT - ITM
2 stops19h 05mMultiple Airlines
mié. 9/1012:00 pmITM - ONT
2 stops21h 42mMultiple Airlines
Deal found 3/25$817
This Hawaiian Airlines deal was found by Cheapflights users on 3/25. 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.
lun. 9/88:35 amONT - HND
1 stop18h 55mHawaiian Airlines
jue. 9/259:20 pmHND - ONT
1 stop15h 50mHawaiian Airlines
Deal found 3/25$818
This United deal was found by Cheapflights users on 3/25. 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.
mar. 10/286:00 amONT - CTS
2 stops20h 35mMultiple Airlines
mié. 11/121:40 pmCTS - ONT
2 stops16h 30mMultiple Airlines
Deal found 3/25$819

Cheapflights Fare Finder

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 marzo 27, 2025.
Use the filters below to find and compare flights from Ontario to Japan that are best for you.

Fly from

Ontario

Fly to

Japan

Route

Depart

Return

Price

OntarioTokyo

ONT - HND

ONTHND

Ontario

jue. 9/11

6:38 am-3:55 pm

1 stop17h 17m

Tokyo Haneda

mié. 9/17

4:30 pm-9:56 pm

1 stop21h 26m

$757

OntarioTokyo

ONT - NRT

ONTNRT

Ontario

jue. 9/11

6:48 am-4:45 pm

2 stops17h 57m

Tokyo Narita

mié. 9/17

5:20 pm-5:51 pm

2 stops16h 31m

$763

OntarioTokyo

ONT - HND

ONTHND

Ontario

jue. 9/11

6:36 pm-7:00 pm

2 stops32h 24m

Tokyo Haneda

mié. 9/17

9:55 pm-5:42 pm

2 stops35h 47m

$784

OntarioTokyo

ONT - NRT

ONTNRT

Ontario

dom. 5/11

8:24 am-8:00 pm

1 stop19h 36m

Tokyo Narita

mar. 5/27

7:10 pm-10:57 am

2 stops31h 47m

$794

OntarioTokyo

ONT - NRT

ONTNRT

Ontario

lun. 9/8

6:00 am-3:25 pm

1 stop17h 25m

Tokyo Narita

lun. 9/22

5:10 pm-10:53 pm

1 stop21h 43m

$800

OntarioTokyo

ONT - HND

ONTHND

Ontario

lun. 9/1

8:35 am-7:30 pm

1 stop18h 55m

Tokyo Haneda

mié. 11/19

8:05 pm-9:55 pm

1 stop18h 50m

$818

OntarioTokyo

ONT - HND

ONTHND

Ontario

mar. 8/26

7:00 am-2:15 pm

1 stop15h 15m

Tokyo Haneda

jue. 9/11

4:05 pm-1:23 pm

1 stop13h 18m

$819

OntarioTokyo

ONT - NRT

ONTNRT

Ontario

mié. 9/3

6:00 am-4:00 pm

1 stop18h 00m

Tokyo Narita

mié. 9/17

6:25 pm-6:23 pm

1 stop15h 58m

$819

OntarioSapporo

ONT - CTS

ONTCTS

Ontario

lun. 4/28

6:00 am-7:10 pm

2 stops21h 10m

Sapporo Chitose

mié. 5/7

7:55 am-1:52 pm

2 stops21h 57m

$824

OntarioTokyo

ONT - NRT

ONTNRT

Ontario

dom. 9/14

6:00 am-4:00 pm

1 stop18h 00m

Tokyo Narita

mié. 9/24

6:25 pm-11:59 pm

1 stop21h 34m

$825

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/26

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.

Cheapflights Insights

Everything you need to know about your flight from Ontario to Japan

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

Currently, February is the cheapest month in which you can book a flight from Ontario to Japan (average of $866). Flying from Ontario to Japan in December is currently the most expensive (average of $1,675). 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 marzo 27, 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 marzo 27, 2025.
Read through reviews of airlines operating flights from Ontario to Japan, such as STARLUX Airlines, Korean Air 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.
STARLUX Airlines
9.1
Wonderful
146 reviews

Entertainment

9.0

Food

8.9

Crew

9.3

Comfort

9.0

Overall

9.1

Boarding

9.0

Reviews

1 / 5
10.0
Excellent

Andrew,Jan 2025

LAX - TPE

Crew were attentive from start to finish. Each meal was amazing. IFE screen was huge and had quite a bit of western movies, however the tv shows were lacking.
STARLUX Airlines
9.1
Wonderful
146 reviews
STARLUX Airlines
9.1
Wonderful
146 reviews

Entertainment

9.0

Food

8.9

Crew

9.3

Comfort

9.0

Overall

9.1

Boarding

9.0

Reviews

1 / 5
10.0
Excellent

Andrew,Jan 2025

LAX - TPE

Crew were attentive from start to finish. Each meal was amazing. IFE screen was huge and had quite a bit of western movies, however the tv shows were lacking.
Korean Air
8.4
Very good
1,050 reviews
STARLUX Airlines
9.1
Wonderful
146 reviews

Entertainment

9.0

Food

8.9

Crew

9.3

Comfort

9.0

Overall

9.1

Boarding

9.0

Reviews

1 / 5
10.0
Excellent

Andrew,Jan 2025

LAX - TPE

Crew were attentive from start to finish. Each meal was amazing. IFE screen was huge and had quite a bit of western movies, however the tv shows were lacking.
Japan Airlines
8.3
Very good
1,440 reviews
STARLUX Airlines
9.1
Wonderful
146 reviews

Entertainment

9.0

Food

8.9

Crew

9.3

Comfort

9.0

Overall

9.1

Boarding

9.0

Reviews

1 / 5
10.0
Excellent

Andrew,Jan 2025

LAX - TPE

Crew were attentive from start to finish. Each meal was amazing. IFE screen was huge and had quite a bit of western movies, however the tv shows were lacking.
China Airlines
8.2
Very good
722 reviews
STARLUX Airlines
9.1
Wonderful
146 reviews

Entertainment

9.0

Food

8.9

Crew

9.3

Comfort

9.0

Overall

9.1

Boarding

9.0

Reviews

1 / 5
10.0
Excellent

Andrew,Jan 2025

LAX - TPE

Crew were attentive from start to finish. Each meal was amazing. IFE screen was huge and had quite a bit of western movies, however the tv shows were lacking.
Delta
8.0
Very good
7,895 reviews
STARLUX Airlines
9.1
Wonderful
146 reviews

Entertainment

9.0

Food

8.9

Crew

9.3

Comfort

9.0

Overall

9.1

Boarding

9.0

Reviews

1 / 5
10.0
Excellent

Andrew,Jan 2025

LAX - TPE

Crew were attentive from start to finish. Each meal was amazing. IFE screen was huge and had quite a bit of western movies, however the tv shows were lacking.

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 Hawaiian Airlines, which is currently one of the cheapest options available, starting at $409. Delta flights start at $436 while deals on Korean Air start at $440 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, February is the cheapest month in which you can book a flight from Ontario to Japan (average of $866). Flying from Ontario to Japan in December is currently the most expensive (average of $1,675). 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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Top 8 airlines flying from Ontario to Japan

Discover the top 8 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 marzo 27, 2025.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$486Average$1,123FlexibilityNo cancel feeOn-time69%
ZIPAIRCheapest$624Average$770FlexibilityNo cancel feeOn-timeN/A
Japan AirlinesCheapest$683Average$1,068FlexibilityNo cancel feeOn-time79%
ANACheapest$686Average$1,097FlexibilityNo cancel feeOn-time80%
American AirlinesCheapest$712Average$1,074FlexibilityNo cancel feeOn-time71%
DeltaCheapest$895Average$1,251FlexibilityNo cancel feeOn-timeN/A
Hawaiian AirlinesCheapest$966Average$1,430FlexibilityNo cancel feeOn-time85%
China AirlinesCheapest$967Average$1,200FlexibilityNo cancel feeOn-time70%
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