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Ontario

$447+ Cheap flights from Japan 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 5/13. Fares are subject to change and may not be available on all flights or dates of travel.
FUK — ONT
May 6 — May 131
Tue 5/6
Tue 5/13
1 adult, Economy
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Cheap flight deals from Japan to Ontario

Keep the following information in mind while searching for Japan to Ontario flight deals. Data was last updated May 1, 2025.

Most accurate provider

AranGrant
3 stars

Most trusted provider

AranGrant
3 stars

Round-trip from

$866
(United Airlines)

One-way from

$447
(Kiwi.com)

Popular in

August

Cheapest in

February

Average price

$821
Provider with most accurate pricing for Tokyo (TYO)-Los Angeles flight deals.
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Provider most trusted by Cheapflights users for Tokyo (TYO)-Los Angeles flights.
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From Japan to Ontario
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One-way flight from Japan to Ontario
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Highest demand for flights based on searches. 11% potential increase in price ($114 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease ($22 potential savings vs. average RT price).
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Average for round-trip flights in May 2025
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Find flight deals from Japan to Ontario

Cheapest flights from Japan to Ontario
Explore the most affordable flight options available from Japan to Ontario. Find the lowest fares from popular airlines and budget airlines, with prices last updated on May 1, 2025.

This United Airlines deal was found by Cheapflights users on 5/1. 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 9/163:50 pmHND - ONT
1 stop17h 47mUnited Airlines
Wed 10/293:15 pmONT - HND
1 stop31h 35mUnited Airlines
Deal found 5/1$866
This oojo deal was found by Cheapflights users on 5/1. 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 6/43:10 pmKIX - ONT
1 stop17h 55mSTARLUX Airlines
Wed 6/2511:10 pmONT - KIX
1 stop21h 05mSTARLUX Airlines
Deal found 5/1$941
This Gotogate deal was found by Cheapflights users on 4/30. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 6/162:10 pmNRT - ONT
1 stop18h 55mSTARLUX Airlines
Mon 6/3011:10 pmONT - NRT
1 stop21h 45mSTARLUX Airlines
Deal found 4/30$985
This China Airlines deal was found by Cheapflights users on 4/29. 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.
Mon 10/131:10 pmKIX - ONT
1 stop20h 50mChina Airlines
Mon 11/1010:45 pmONT - KIX
1 stop19h 50mChina Airlines
Deal found 4/29$1,028
This Delta deal was found by Cheapflights users on 5/1. 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.
Thu 11/64:50 pmHND - ONT
1 stop22h 52mDelta
Tue 11/187:00 amONT - HND
1 stop15h 20mDelta
Deal found 5/1$1,091
This United Airlines deal was found by Cheapflights users on 5/1. 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 9/34:50 pmKIX - ONT
2 stops19h 43mUnited Airlines
Mon 10/276:00 amONT - KIX
1 stop18h 35mUnited Airlines
Deal found 5/1$1,110
This EVA Air deal was found by Cheapflights users on 5/1. 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 EVA Air is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/31:25 pmNRT - ONT
2 stops37h 32mMultiple Airlines
Fri 6/67:20 pmONT - NRT
2 stops25h 05mMultiple Airlines
Deal found 5/1$1,161
This China Airlines deal was found by Cheapflights users on 4/30. 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.
Sat 6/1412:20 pmNGO - ONT
1 stop21h 40mChina Airlines
Fri 6/2012:10 amONT - NGO
1 stop28h 55mChina Airlines
Deal found 4/30$1,173
This Korean Air deal was found by Cheapflights users on 4/30. 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.
Thu 10/162:00 amHND - ONT
2 stops31h 17mKorean Air
Sun 11/27:00 amONT - HND
2 stops22h 50mKorean Air
Deal found 4/30$1,188
This United Airlines deal was found by Cheapflights users on 4/30. 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 7/205:25 pmNRT - ONT
2 stops44h 12mUnited Airlines
Wed 8/135:05 amONT - NRT
1 stop17h 25mUnited Airlines
Deal found 4/30$1,190
This Travelocity deal was found by Cheapflights users on 4/30. 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 Travelocity is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/162:00 amHND - ONT
2 stops31h 17mMultiple Airlines
Sun 11/29:50 amONT - HND
1 stop16h 40mMultiple Airlines
Deal found 4/30$1,190
This oojo deal was found by Cheapflights users on 4/30. 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.
Fri 10/242:30 pmNRT - ONT
1 stop19h 30mChina Airlines
Fri 11/1410:45 pmONT - NRT
1 stop28h 40mChina Airlines
Deal found 4/30$1,193

Cheapflights Fare Finder

Customize your flight search to find flights from Japan 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 May 1, 2025.
Use the filters below to find and compare flights from Japan to Ontario that are best for you.

Fly from

Japan

Fly to

Ontario

Route

Depart

Return

Price

TokyoOntario

HND - ONT

HNDONT

Tokyo Haneda

Tue 9/16

3:50 pm-5:37 pm

1 stop17h 47m

Ontario

Wed 10/29

3:15 pm-2:50 pm

1 stop31h 35m

$866

OsakaOntario

KIX - ONT

KIXONT

Osaka Kansai Intl

Wed 6/4

3:10 pm-5:05 pm

1 stop17h 55m

Ontario

Wed 6/25

11:10 pm-12:15 pm

1 stop21h 05m

$941

TokyoOntario

NRT - ONT

NRTONT

Tokyo Narita

Mon 6/16

2:10 pm-5:05 pm

1 stop18h 55m

Ontario

Mon 6/30

11:10 pm-12:55 pm

1 stop21h 45m

$985

OsakaOntario

KIX - ONT

KIXONT

Osaka Kansai Intl

Mon 10/13

1:10 pm-6:00 pm

1 stop20h 50m

Ontario

Mon 11/10

10:45 pm-11:35 am

1 stop19h 50m

$1,028

OsakaOntario

KIX - ONT

KIXONT

Osaka Kansai Intl

Wed 9/3

4:50 pm-8:33 pm

2 stops19h 43m

Ontario

Mon 10/27

6:00 am-4:35 pm

1 stop18h 35m

$1,110

TokyoOntario

HND - ONT

HNDONT

Tokyo Haneda

Fri 10/17

4:05 pm-9:06 am

2 stops33h 01m

Ontario

Sun 11/2

2:00 pm-3:20 pm

1 stop32h 20m

$1,129

TokyoOntario

NRT - ONT

NRTONT

Tokyo Narita

Tue 6/3

1:25 pm-10:57 am

2 stops37h 32m

Ontario

Fri 6/6

7:20 pm-12:25 pm

2 stops25h 05m

$1,161

NagoyaOntario

NGO - ONT

NGOONT

Nagoya Chubu Centrair Intl

Sat 6/14

12:20 pm-6:00 pm

1 stop21h 40m

Ontario

Fri 6/20

12:10 am-9:05 pm

1 stop28h 55m

$1,173

TokyoOntario

HND - ONT

HNDONT

Tokyo Haneda

Thu 10/16

2:00 am-5:17 pm

2 stops31h 17m

Ontario

Sun 11/2

7:00 am-10:50 pm

2 stops22h 50m

$1,188

TokyoOntario

HND - ONT

HNDONT

Tokyo Haneda

Thu 10/16

2:00 am-5:17 pm

2 stops31h 17m

Ontario

Sun 11/2

9:50 am-7:30 pm

1 stop16h 40m

$1,190

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/30

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

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

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

Currently, August is the cheapest month in which you can book a flight from Japan to Ontario (average of $246). Flying from Japan to Ontario in March is currently the most expensive (average of $328). 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 JP to ONT?

Find hourly flight availability from Japan to Ontario. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated May 1, 2025.

When flying from Japan to Ontario, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

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 May 1, 2025.
Read reviews from past customers who have flown STARLUX Airlines, EVA Air and Korean Air from Japan to Ontario. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
STARLUX Airlines
9.1
Wonderful
162 reviews

Crew

9.3

Overall

9.1

Food

8.9

Boarding

9.0

Entertainment

9.0

Comfort

9.0

Reviews

1 / 6
10.0
Excellent

Anonymous,Apr 2025

KIX - TPE

Very pleasant experience overall, while the main course of the meal could have been better and the movies could have been more recent and with more variety. They offer blindfolds and earplugs, which are a plus.
STARLUX Airlines
9.1
Wonderful
162 reviews
STARLUX Airlines
9.1
Wonderful
162 reviews

Crew

9.3

Overall

9.1

Food

8.9

Boarding

9.0

Entertainment

9.0

Comfort

9.0

Reviews

1 / 6
10.0
Excellent

Anonymous,Apr 2025

KIX - TPE

Very pleasant experience overall, while the main course of the meal could have been better and the movies could have been more recent and with more variety. They offer blindfolds and earplugs, which are a plus.
EVA Air
8.4
Very good
1,186 reviews
STARLUX Airlines
9.1
Wonderful
162 reviews

Crew

9.3

Overall

9.1

Food

8.9

Boarding

9.0

Entertainment

9.0

Comfort

9.0

Reviews

1 / 6
10.0
Excellent

Anonymous,Apr 2025

KIX - TPE

Very pleasant experience overall, while the main course of the meal could have been better and the movies could have been more recent and with more variety. They offer blindfolds and earplugs, which are a plus.
Korean Air
8.4
Very good
1,069 reviews
STARLUX Airlines
9.1
Wonderful
162 reviews

Crew

9.3

Overall

9.1

Food

8.9

Boarding

9.0

Entertainment

9.0

Comfort

9.0

Reviews

1 / 6
10.0
Excellent

Anonymous,Apr 2025

KIX - TPE

Very pleasant experience overall, while the main course of the meal could have been better and the movies could have been more recent and with more variety. They offer blindfolds and earplugs, which are a plus.
China Airlines
8.3
Very good
732 reviews
STARLUX Airlines
9.1
Wonderful
162 reviews

Crew

9.3

Overall

9.1

Food

8.9

Boarding

9.0

Entertainment

9.0

Comfort

9.0

Reviews

1 / 6
10.0
Excellent

Anonymous,Apr 2025

KIX - TPE

Very pleasant experience overall, while the main course of the meal could have been better and the movies could have been more recent and with more variety. They offer blindfolds and earplugs, which are a plus.
Delta
8.0
Very good
7,934 reviews
STARLUX Airlines
9.1
Wonderful
162 reviews

Crew

9.3

Overall

9.1

Food

8.9

Boarding

9.0

Entertainment

9.0

Comfort

9.0

Reviews

1 / 6
10.0
Excellent

Anonymous,Apr 2025

KIX - TPE

Very pleasant experience overall, while the main course of the meal could have been better and the movies could have been more recent and with more variety. They offer blindfolds and earplugs, which are a plus.

Related info for your journey

Find useful and relevant information for your journey from Japan 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 Japan?

    Most people fly into Ontario (ONT) if they book a flight to Ontario from Japan. Ontario is conveniently located just 3.1 mi from Ontario’s city center.

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

    For one-way options, check prices for United Airlines. According to our data, you can fly for as low as $487. Users have also found prices from $566 and $607 on WestJet and China Airlines, respectively.

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

    When deciding which route to take from Japan to Ontario consider Tokyo Narita - Ontario, Tokyo Haneda - Ontario or Osaka Kansai Intl - Ontario as they are the most popular.

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

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

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

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

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

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

    Currently, August is the cheapest month in which you can book a flight from Japan to Ontario (average of $246). Flying from Japan to Ontario in March is currently the most expensive (average of $328). 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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Alternative routes for Japan to Ontario

See prices for flight routes from nearby airports that may be better suited for you.
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Top airline flying from Japan to Ontario

Discover the top airline that operate flights from Japan to Ontario. 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 May 1, 2025.
AirlineCheapestAverageFlexibilityOn-time
China AirlinesCheapest$963Average$991FlexibilityNo cancel feeOn-time70%

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