HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Japan

$325+ 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 3/3. Fares are subject to change and may not be available on all flights or dates of travel.
ONT — FUK
feb. 25 — mar. 41
mar. 2/25
mar. 3/4
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Ontario to Japan 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 Ontario to Japan

Keep the following information in mind while searching for Ontario to Japan flight deals. Data was last updated febrero 20, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$696
(Delta)

One-way from

$325
(Trip.com)

Popular in

June

Cheapest in

February

Average price

$702
Provider with most accurate pricing for Los Angeles-Tokyo (TYO) flight deals.
Search Deals
Provider most trusted by Cheapflights users for Los Angeles-Tokyo (TYO) flights.
Search Deals
From Ontario to Japan
Search Deals
One-way flight from Ontario to Japan
Search Deals
Highest demand for flights based on searches. 12% potential increase in price ($126 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($18 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in February 2025
Search Deals

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 febrero 20, 2025.

This Delta deal was found by Cheapflights users on 2/20. 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.
mar. 4/225:45 amONT - HND
1 stop16h 15mDelta
jue. 5/154:05 pmHND - ONT
1 stop13h 08mDelta
Deal found 2/20$696
This American Airlines deal was found by Cheapflights users on 2/20. 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.
mié. 9/311:59 pmONT - HND
1 stop23h 56mAmerican Airlines
dom. 9/145:00 pmHND - ONT
2 stops20h 40mAmerican Airlines
Deal found 2/20$699
This American Airlines deal was found by Cheapflights users on 2/20. 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.
vie. 4/256:15 amONT - NRT
2 stops18h 30mAmerican Airlines
lun. 5/55:20 pmNRT - ONT
2 stops17h 03mAmerican Airlines
Deal found 2/20$701
This Kiwi.com deal was found by Cheapflights users on 2/20. 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.
lun. 2/248:26 amONT - NRT
1 stop18h 29mMultiple Airlines
mié. 2/269:25 pmNRT - ONT
1 stop29h 09mMultiple Airlines
Deal found 2/20$708
This Trip.com deal was found by Cheapflights users on 2/20. 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.
lun. 3/36:00 amONT - NRT
1 stop16h 40mJapan Airlines
jue. 3/136:10 pmNRT - ONT
1 stop16h 09mJapan Airlines
Deal found 2/20$729
This United Airlines deal was found by Cheapflights users on 2/20. 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.
jue. 9/45:45 amONT - HND
2 stops45h 15mUnited Airlines
dom. 9/144:00 pmHND - ONT
2 stops42h 00mUnited Airlines
Deal found 2/20$751
This United Airlines deal was found by Cheapflights users on 2/19. 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. 2/266:00 amONT - KIX
1 stop17h 35mUnited Airlines
sáb. 3/86:30 pmKIX - ONT
1 stop16h 34mUnited Airlines
Deal found 2/19$753
This United Airlines deal was found by Cheapflights users on 2/19. 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.
dom. 3/25:05 amONT - NRT
1 stop17h 40mUnited Airlines
dom. 3/94:50 pmNRT - ONT
1 stop21h 55mUnited Airlines
Deal found 2/19$753
This Kissandfly.com deal was found by Cheapflights users on 2/19. 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 Kissandfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 3/36:00 amONT - OKA
2 stops23h 25mLufthansa
mar. 3/187:30 amOKA - ONT
2 stops26h 34mLufthansa
Deal found 2/19$767
This Hawaiian Airlines deal was found by Cheapflights users on 2/20. 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.
mié. 10/226:00 amONT - NRT
1 stop18h 00mHawaiian Airlines
mié. 11/126:25 pmNRT - ONT
1 stop33h 14mHawaiian Airlines
Deal found 2/20$816
This Hawaiian Airlines deal was found by Cheapflights users on 2/19. 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.
mié. 8/279:50 amONT - HND
1 stop17h 35mHawaiian Airlines
mar. 9/98:15 pmHND - ONT
1 stop17h 40mHawaiian Airlines
Deal found 2/19$817
This Alaska Airlines deal was found by Cheapflights users on 2/20. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 9/109:50 amONT - HND
1 stop15h 20mAlaska Airlines
mar. 9/238:15 pmHND - ONT
1 stop17h 40mAlaska Airlines
Deal found 2/20$823

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 febrero 20, 2025.

Fly from

Ontario

Fly to

Japan

Route

Depart

Return

Price

OntarioTokyo

ONT - HND

ONTHND

Ontario

mar. 4/22

5:45 am-2:00 pm

1 stop16h 15m

Tokyo Haneda

jue. 5/15

4:05 pm-1:13 pm

1 stop13h 08m

$696

OntarioTokyo

ONT - NRT

ONTNRT

Ontario

vie. 4/25

6:15 am-4:45 pm

2 stops18h 30m

Tokyo Narita

lun. 5/5

5:20 pm-6:23 pm

2 stops17h 03m

$701

OntarioTokyo

ONT - NRT

ONTNRT

Ontario

lun. 3/3

6:00 am-3:40 pm

1 stop16h 40m

Tokyo Narita

jue. 3/13

6:10 pm-6:19 pm

1 stop16h 09m

$729

OntarioTokyo

ONT - HND

ONTHND

Ontario

mié. 3/5

7:40 pm-4:40 am

1 stop16h 00m

Tokyo Haneda

vie. 3/14

4:25 pm-10:45 pm

1 stop22h 20m

$752

OntarioOsaka

ONT - KIX

ONTKIX

Ontario

mié. 2/26

6:00 am-4:35 pm

1 stop17h 35m

Osaka Kansai Intl

sáb. 3/8

6:30 pm-6:04 pm

1 stop16h 34m

$753

OntarioTokyo

ONT - NRT

ONTNRT

Ontario

dom. 3/2

5:05 am-3:45 pm

1 stop17h 40m

Tokyo Narita

dom. 3/9

4:50 pm-9:45 pm

1 stop21h 55m

$753

OntarioOkinawa

ONT - OKA

ONTOKA

Ontario

lun. 3/3

6:00 am-10:25 pm

2 stops23h 25m

Okinawa Naha

mar. 3/18

7:30 am-6:04 pm

2 stops26h 34m

$767

OntarioTokyo

ONT - HND

ONTHND

Ontario

dom. 4/27

7:05 am-1:55 pm

1 stop14h 50m

Tokyo Haneda

dom. 5/11

1:55 pm-2:25 pm

2 stops16h 30m

$868

OntarioOsaka

ONT - ITM

ONTITM

Ontario

mié. 4/30

7:05 am-5:05 pm

2 stops18h 00m

Osaka Itami

jue. 9/11

12:00 pm-6:00 pm

2 stops22h 00m

$870

OntarioOkinawa

ONT - OKA

ONTOKA

Ontario

dom. 4/20

7:05 am-6:10 pm

2 stops19h 05m

Okinawa Naha

dom. 5/11

11:05 am-2:25 pm

2 stops19h 20m

$871

Flights are sorted by cheapest round-trip flights first.

Deals found on 2/20

Showing 1-10 of 60 results
1
2
3
...
6

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, 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 $1,687). 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 febrero 20, 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 febrero 20, 2025.
Read through reviews of airlines operating flights from Ontario to Japan, such as STARLUX Airlines, ANA and Korean Air. 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
140 reviews

Food

9.0

Overall

9.1

Comfort

9.0

Crew

9.3

Entertainment

9.1

Boarding

9.1

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
140 reviews
STARLUX Airlines
9.1
Wonderful
140 reviews

Food

9.0

Overall

9.1

Comfort

9.0

Crew

9.3

Entertainment

9.1

Boarding

9.1

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.

ANA
8.4
Very good
842 reviews
STARLUX Airlines
9.1
Wonderful
140 reviews

Food

9.0

Overall

9.1

Comfort

9.0

Crew

9.3

Entertainment

9.1

Boarding

9.1

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
1,037 reviews
STARLUX Airlines
9.1
Wonderful
140 reviews

Food

9.0

Overall

9.1

Comfort

9.0

Crew

9.3

Entertainment

9.1

Boarding

9.1

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
140 reviews

Food

9.0

Overall

9.1

Comfort

9.0

Crew

9.3

Entertainment

9.1

Boarding

9.1

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
727 reviews
STARLUX Airlines
9.1
Wonderful
140 reviews

Food

9.0

Overall

9.1

Comfort

9.0

Crew

9.3

Entertainment

9.1

Boarding

9.1

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 Japan Airlines, which is currently one of the cheapest options available, starting at $376. Delta flights start at $382 while deals on United Airlines start at $397 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 $1,687). 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.

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 Ontario to Japan

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

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 febrero 20, 2025.
AirlineCheapestAverageFlexibilityOn-time
ZIPAIRCheapest$624Average$770FlexibilityNo cancel feeOn-timeN/A
ANACheapest$677Average$1,049FlexibilityNo cancel feeOn-time80%
Japan AirlinesCheapest$683Average$1,068FlexibilityNo cancel feeOn-time79%
United AirlinesCheapest$770Average$1,171FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$779Average$1,083FlexibilityNo cancel feeOn-time71%
DeltaCheapest$895Average$1,251FlexibilityNo cancel feeOn-timeN/A
Hawaiian AirlinesCheapest$966Average$1,430FlexibilityNo cancel feeOn-time85%
China AirlinesCheapest$997Average$1,225FlexibilityNo 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.