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Ontario

$346+ 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 5/24. Fares are subject to change and may not be available on all flights or dates of travel.
FUK — ONT
Apr 30 — May 71
Wed 4/30
Wed 5/7
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 April 25, 2025.

Most accurate provider

AranGrant
3 stars

Most trusted provider

AranGrant
3 stars

Round-trip from

$827
(United Airlines)

One-way from

$346
(Trip.com)

Popular in

August

Cheapest in

February

Average price

$895
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 ($113 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 April 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 April 25, 2025.

This United Airlines deal was found by Cheapflights users on 4/24. 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.
Thu 8/283:50 pmHND - ONT
1 stop17h 47mUnited Airlines
Thu 9/46:00 amONT - HND
1 stop15h 55mUnited Airlines
Deal found 4/24$827
This United Airlines deal was found by Cheapflights users on 4/24. 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 7/155:25 pmNRT - ONT
2 stops44h 12mUnited Airlines
Tue 9/305:10 amONT - NRT
1 stop17h 45mUnited Airlines
Deal found 4/24$849
This Kiwi.com deal was found by Cheapflights users on 4/24. 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.
Fri 5/239:30 pmNRT - ONT
1 stop18h 06mMultiple Airlines
Fri 5/306:00 amONT - NRT
2 stops38h 35mMultiple Airlines
Deal found 4/24$949
This HIS deal was found by Cheapflights users on 4/24. 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 HIS is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 6/231:25 pmKIX - ONT
1 stop19h 40mSTARLUX Airlines
Mon 7/711:45 pmONT - KIX
1 stop20h 30mSTARLUX Airlines
Deal found 4/24$951
This Gotogate deal was found by Cheapflights users on 4/25. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/98:00 pmNRT - ONT
1 stop38h 00mChina Airlines
Mon 5/1212:10 amONT - NRT
1 stop21h 05mChina Airlines
Deal found 4/25$994
This Gotogate deal was found by Cheapflights users on 4/25. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/108:40 pmNRT - ONT
1 stop36h 25mSTARLUX Airlines
Fri 6/1311:10 pmONT - NRT
1 stop28h 15mSTARLUX Airlines
Deal found 4/25$999
This oojo deal was found by Cheapflights users on 4/25. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/262:00 pmKIX - ONT
1 stop20h 00mChina Airlines
Fri 10/1012:10 amONT - KIX
1 stop20h 40mChina Airlines
Deal found 4/25$1,047
This Delta deal was found by Cheapflights users on 4/24. 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 stop17h 27mDelta
Mon 11/177:00 amONT - HND
1 stop15h 20mDelta
Deal found 4/24$1,093
This Korean Air deal was found by Cheapflights users on 4/24. 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 11/69:15 amNRT - ONT
2 stops21h 03mKorean Air
Tue 11/187:00 amONT - NRT
2 stops19h 30mKorean Air
Deal found 4/24$1,113
This Mytrip deal was found by Cheapflights users on 4/23. 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 5/71:00 amHND - ONT
2 stops33h 00mMultiple Airlines
Sun 5/1112:10 amONT - HND
2 stops30h 45mMultiple Airlines
Deal found 4/23$1,155
This Korean Air deal was found by Cheapflights users on 4/25. 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 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 4/25$1,186
This Hawaiian Airlines deal was found by Cheapflights users on 4/24. 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.
Mon 5/56:25 pmNRT - ONT
1 stop19h 25mHawaiian Airlines
Fri 5/99:45 amONT - NRT
1 stop38h 15mHawaiian Airlines
Deal found 4/24$1,250

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 April 25, 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

Thu 8/28

3:50 pm-5:37 pm

1 stop17h 47m

Ontario

Thu 9/4

6:00 am-1:55 pm

1 stop15h 55m

$827

TokyoOntario

NRT - ONT

NRTONT

Tokyo Narita

Tue 7/15

5:25 pm-9:37 pm

2 stops44h 12m

Ontario

Tue 9/30

5:10 am-2:55 pm

1 stop17h 45m

$849

TokyoOntario

NRT - ONT

NRTONT

Tokyo Narita

Fri 5/23

9:30 pm-11:36 pm

1 stop18h 06m

Ontario

Fri 5/30

6:00 am-12:35 pm

2 stops38h 35m

$949

OsakaOntario

KIX - ONT

KIXONT

Osaka Kansai Intl

Mon 6/23

1:25 pm-5:05 pm

1 stop19h 40m

Ontario

Mon 7/7

11:45 pm-12:15 pm

1 stop20h 30m

$951

TokyoOntario

NRT - ONT

NRTONT

Tokyo Narita

Fri 5/9

8:00 pm-6:00 pm

1 stop38h 00m

Ontario

Mon 5/12

12:10 am-1:15 pm

1 stop21h 05m

$994

TokyoOntario

NRT - ONT

NRTONT

Tokyo Narita

Tue 6/10

8:40 pm-5:05 pm

1 stop36h 25m

Ontario

Fri 6/13

11:10 pm-7:25 pm

1 stop28h 15m

$999

OsakaOntario

KIX - ONT

KIXONT

Osaka Kansai Intl

Fri 9/26

2:00 pm-6:00 pm

1 stop20h 00m

Ontario

Fri 10/10

12:10 am-12:50 pm

1 stop20h 40m

$1,047

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

HND - ONT

HNDONT

Tokyo Haneda

Wed 5/7

1:00 am-6:00 pm

2 stops33h 00m

Ontario

Sun 5/11

12:10 am-10:55 pm

2 stops30h 45m

$1,155

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

$1,186

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/24

Showing 1-10 of 57 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 April 25, 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 April 25, 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
157 reviews

Boarding

9.0

Food

8.9

Overall

9.1

Entertainment

9.0

Comfort

9.0

Crew

9.3

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
157 reviews
STARLUX Airlines
9.1
Wonderful
157 reviews

Boarding

9.0

Food

8.9

Overall

9.1

Entertainment

9.0

Comfort

9.0

Crew

9.3

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
1,180 reviews
STARLUX Airlines
9.1
Wonderful
157 reviews

Boarding

9.0

Food

8.9

Overall

9.1

Entertainment

9.0

Comfort

9.0

Crew

9.3

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
1,063 reviews
STARLUX Airlines
9.1
Wonderful
157 reviews

Boarding

9.0

Food

8.9

Overall

9.1

Entertainment

9.0

Comfort

9.0

Crew

9.3

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
729 reviews
STARLUX Airlines
9.1
Wonderful
157 reviews

Boarding

9.0

Food

8.9

Overall

9.1

Entertainment

9.0

Comfort

9.0

Crew

9.3

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
7,920 reviews
STARLUX Airlines
9.1
Wonderful
157 reviews

Boarding

9.0

Food

8.9

Overall

9.1

Entertainment

9.0

Comfort

9.0

Crew

9.3

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 $484. Users have also found prices from $568 and $608 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 Haneda - Ontario, Tokyo Narita - 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

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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 April 25, 2025.
AirlineCheapestAverageFlexibilityOn-time
China AirlinesCheapest$963Average$991FlexibilityNo cancel feeOn-time70%

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