HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Ontario

$409+ 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 4/3. Fares are subject to change and may not be available on all flights or dates of travel.
FUK — ONT
Apr 2 — Apr 91
Wed 4/2
Wed 4/9
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Japan to Ontario 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 Japan to Ontario

Keep the following information in mind while searching for Japan to Ontario flight deals. Data was last updated March 28, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$793
(Kiwi.com)

One-way from

$409
(Trip.com)

Popular in

August

Cheapest in

February

Average price

$909
Provider with most accurate pricing for Tokyo (TYO)-Los Angeles flight deals.
Search Deals
Provider most trusted by Cheapflights users for Tokyo (TYO)-Los Angeles flights.
Search Deals
From Japan to Ontario
Search Deals
One-way flight from Japan to Ontario
Search Deals
Highest demand for flights based on searches. 8% potential increase in price ($78 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($22 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in March 2025
Search Deals

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 March 28, 2025.

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.
Sat 5/109:30 pmNRT - ONT
1 stop28h 32mMultiple Airlines
Mon 5/128:24 amONT - NRT
1 stop19h 36mMultiple Airlines
Deal found 3/26$699
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.
Wed 4/25:00 pmNRT - ONT
1 stop20h 58mUnited Airlines
Sun 4/66:10 amONT - NRT
1 stop39h 50mUnited Airlines
Deal found 3/26$822
This China 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 China Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/102:30 pmNRT - ONT
1 stop19h 30mChina Airlines
Tue 4/2212:10 amONT - NRT
1 stop24h 45mChina Airlines
Deal found 3/27$907
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.
Fri 3/284:25 pmHND - ONT
1 stop17h 39mUnited Airlines
Tue 4/13:55 pmONT - HND
1 stop30h 00mUnited Airlines
Deal found 3/27$914
This Trip.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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/13:10 pmKIX - ONT
1 stop17h 55mSTARLUX Airlines
Fri 10/1011:10 pmONT - KIX
1 stop21h 05mSTARLUX Airlines
Deal found 3/26$917
This China 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 China Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/82:00 pmKIX - ONT
1 stop20h 40mChina Airlines
Wed 9/1012:45 amONT - KIX
1 stop19h 15mChina Airlines
Deal found 3/27$936
This oojo 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 6/132:10 pmNRT - ONT
1 stop18h 55mSTARLUX Airlines
Wed 6/2511:10 pmONT - NRT
1 stop23h 55mSTARLUX Airlines
Deal found 3/27$939
This Delta 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/34:05 pmHND - ONT
1 stop16h 38mDelta
Thu 4/175:45 amONT - HND
1 stop16h 15mDelta
Deal found 3/27$963
This Gotogate 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 6/2212:20 pmNGO - ONT
1 stop21h 40mChina Airlines
Sat 6/2812:10 amONT - NGO
1 stop28h 55mChina Airlines
Deal found 3/25$1,001
This EVA Air 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 EVA Air is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/201:10 pmKIX - ONT
2 stops37h 29mMultiple Airlines
Tue 10/286:55 pmONT - KIX
2 stops25h 00mMultiple Airlines
Deal found 3/26$1,076
This EVA Air 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 EVA Air is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/2012:40 pmHND - ONT
2 stops27h 19mMultiple Airlines
Sat 9/277:17 pmONT - HND
2 stops32h 48mMultiple Airlines
Deal found 3/27$1,087
This Trip.com 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/36:25 pmNRT - ONT
1 stop18h 30mHawaiian Airlines
Mon 4/79:45 amONT - NRT
1 stop38h 15mHawaiian Airlines
Deal found 3/27$1,097

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 March 28, 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

NRT - ONT

NRTONT

Tokyo Narita

Sat 5/10

9:30 pm-10:02 am

1 stop28h 32m

Ontario

Mon 5/12

8:24 am-8:00 pm

1 stop19h 36m

$699

TokyoOntario

NRT - ONT

NRTONT

Tokyo Narita

Thu 4/10

4:30 pm-3:31 pm

1 stop15h 01m

Ontario

Thu 4/17

1:35 pm-2:45 pm

1 stop33h 10m

$888

TokyoOntario

NRT - ONT

NRTONT

Tokyo Narita

Thu 4/10

2:30 pm-6:00 pm

1 stop19h 30m

Ontario

Tue 4/22

12:10 am-4:55 pm

1 stop24h 45m

$907

OsakaOntario

KIX - ONT

KIXONT

Osaka Kansai Intl

Mon 9/8

2:00 pm-6:40 pm

1 stop20h 40m

Ontario

Wed 9/10

12:45 am-12:00 pm

1 stop19h 15m

$936

TokyoOntario

NRT - ONT

NRTONT

Tokyo Narita

Fri 6/13

2:10 pm-5:05 pm

1 stop18h 55m

Ontario

Wed 6/25

11:10 pm-3:05 pm

1 stop23h 55m

$939

OsakaOntario

KIX - ONT

KIXONT

Osaka Kansai Intl

Fri 8/22

1:25 pm-5:40 pm

1 stop20h 15m

Ontario

Sat 9/27

11:10 pm-2:00 pm

1 stop22h 50m

$947

NagoyaOntario

NGO - ONT

NGOONT

Nagoya Chubu Centrair Intl

Sun 6/22

12:20 pm-6:00 pm

1 stop21h 40m

Ontario

Sat 6/28

12:10 am-9:05 pm

1 stop28h 55m

$1,001

TokyoOntario

HND - ONT

HNDONT

Tokyo Haneda

Sat 9/20

12:40 pm-11:59 pm

2 stops27h 19m

Ontario

Sat 9/27

7:17 pm-8:05 pm

2 stops32h 48m

$1,087

TokyoOntario

NRT - ONT

NRTONT

Tokyo Narita

Thu 4/10

6:25 pm-9:50 pm

1 stop19h 25m

Ontario

Wed 4/23

9:45 am-4:00 pm

1 stop38h 15m

$1,137

OsakaOntario

KIX - ONT

KIXONT

Osaka Kansai Intl

Fri 6/6

11:10 am-10:57 am

2 stops39h 47m

Ontario

Sat 6/7

4:45 pm-10:10 am

2 stops25h 25m

$1,153

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/27

Showing 1-10 of 57 results
1
2
3
...
6

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 $326). 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 March 28, 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 March 28, 2025.
Read reviews from past customers who have flown STARLUX Airlines, Korean Air and China Airlines 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
146 reviews

Crew

9.3

Food

8.9

Entertainment

9.0

Overall

9.1

Comfort

9.0

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

Crew

9.3

Food

8.9

Entertainment

9.0

Overall

9.1

Comfort

9.0

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

Crew

9.3

Food

8.9

Entertainment

9.0

Overall

9.1

Comfort

9.0

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

Crew

9.3

Food

8.9

Entertainment

9.0

Overall

9.1

Comfort

9.0

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
7,896 reviews
STARLUX Airlines
9.1
Wonderful
146 reviews

Crew

9.3

Food

8.9

Entertainment

9.0

Overall

9.1

Comfort

9.0

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.
Alaska Airlines
8.0
Very good
9,798 reviews
STARLUX Airlines
9.1
Wonderful
146 reviews

Crew

9.3

Food

8.9

Entertainment

9.0

Overall

9.1

Comfort

9.0

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 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 Alaska Airlines. According to our data, you can fly for as low as $455. Users have also found prices from $457 and $512 on Hawaiian Airlines and United 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 $326). 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.

Alternative routes for Japan to Ontario

See prices for flight routes from nearby airports that may be better suited for you.
Mumbai to San Francisco flights
Haneda to Los Angeles flights
New Delhi to San Francisco flights
Incheon Intl to Los Angeles flights
Narita to Los Angeles flights
Manila to Los Angeles flights
Taiwan Taoyuan Intl to Los Angeles flights
Manila to San Francisco flights
Hongqiao Intl to Los Angeles flights
Suvarnabhumi to Los Angeles flights
Haneda to San Francisco flights
Pu Dong to Los Angeles flights
Bangalore to San Francisco flights
Taiwan Taoyuan Intl to San Francisco flights
Incheon Intl to San Francisco flights
Hyderabad to San Francisco flights
Ho Chi Minh City to Los Angeles flights
Hong Kong to San Francisco flights
Narita to San Francisco flights
Yerevan to Los Angeles flights
Hongqiao Intl to San Francisco flights
Mumbai to Los Angeles flights
Gimpo Intl to Los Angeles flights
Pu Dong to San Francisco flights
Hong Kong to Los Angeles flights
Capital to San Francisco flights
Narita to Ontario flights
New Delhi to Los Angeles flights
Haneda to Ontario flights
Singapore to Los Angeles flights
Gimpo Intl to San Francisco flights
Manila to Ontario flights
Mumbai to Oakland flights
Mumbai to San Jose flights
Sung Shan to Los Angeles flights
New Delhi to San Jose flights
Suvarnabhumi to San Francisco flights
Incheon Intl to Ontario flights
Ahmedabad to San Francisco flights
Incheon Intl to Las Vegas flights
Singapore to San Francisco flights
Chennai to San Francisco flights
Suvarnabhumi to Ontario flights
Hyderabad to San Jose flights
Ho Chi Minh City to San Francisco flights
Ahmedabad to Los Angeles flights
Kansai Intl to Los Angeles flights
Incheon Intl to San Jose flights
Ho Chi Minh City to Ontario flights

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 March 28, 2025.
AirlineCheapestAverageFlexibilityOn-time
China AirlinesCheapest$963Average$991FlexibilityNo cancel feeOn-time70%
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.