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$292+ 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 8/22. Fares are subject to change and may not be available on all flights or dates of travel.
ONT — FUK
ago. 23 — ago. 301
dom. 8/23
dom. 8/30
1 adult, Economy
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Cheap 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 julio 24, 2026.

This Kiwi.com deal was found by Cheapflights users on 7/20. 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.
mié. 8/193:13 pm
ONT
-
NRT
1 stop36h 47m
Multiple Airlines
mié. 8/267:10 pm
NRT
-
ONT
1 stop19h 00m
Multiple Airlines
Deal found 7/20$779
This Kiwi.com deal was found by Cheapflights users on 7/23. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sáb. 8/228:48 am
ONT
-
NRT
1 stop19h 12m
Multiple Airlines
jue. 9/37:50 pm
NRT
-
ONT
2 stops55h 12m
Multiple Airlines
Deal found 7/23$811
This Kiwi.com deal was found by Cheapflights users on 7/23. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sáb. 8/228:48 am
ONT
-
NRT
1 stop19h 12m
Multiple Airlines
mar. 9/17:35 pm
NRT
-
ONT
2 stops34h 52m
Multiple Airlines
Deal found 7/23$812
This Kiwi.com deal was found by Cheapflights users on 7/23. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 8/248:48 am
ONT
-
NRT
1 stop19h 12m
Multiple Airlines
jue. 9/37:50 pm
NRT
-
ONT
2 stops55h 12m
Multiple Airlines
Deal found 7/23$816
This Kiwi.com deal was found by Cheapflights users on 7/23. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 8/248:48 am
ONT
-
NRT
1 stop19h 12m
Multiple Airlines
mar. 9/17:35 pm
NRT
-
ONT
2 stops34h 52m
Multiple Airlines
Deal found 7/23$817
This Kiwi.com deal was found by Cheapflights users on 7/23. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sáb. 8/228:48 am
ONT
-
NRT
1 stop19h 12m
Multiple Airlines
mié. 9/27:35 pm
NRT
-
ONT
2 stops30h 54m
Multiple Airlines
Deal found 7/23$818
This Kiwi.com deal was found by Cheapflights users on 7/22. 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.
sáb. 8/228:48 am
ONT
-
NRT
1 stop19h 12m
Multiple Airlines
vie. 8/282:05 pm
NRT
-
ONT
2 stops36h 57m
Multiple Airlines
Deal found 7/22$821
This Kiwi.com deal was found by Cheapflights users on 7/23. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 8/248:48 am
ONT
-
NRT
1 stop19h 12m
Multiple Airlines
mié. 9/27:35 pm
NRT
-
ONT
2 stops30h 54m
Multiple Airlines
Deal found 7/23$823
This Kiwi.com deal was found by Cheapflights users on 7/23. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sáb. 8/228:48 am
ONT
-
NRT
1 stop19h 12m
Multiple Airlines
vie. 9/42:05 pm
NRT
-
ONT
2 stops36h 57m
Multiple Airlines
Deal found 7/23$825
This Kiwi.com deal was found by Cheapflights users on 7/23. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sáb. 8/228:48 am
ONT
-
NRT
1 stop19h 12m
Multiple Airlines
lun. 8/317:35 pm
NRT
-
ONT
2 stops30h 29m
Multiple Airlines
Deal found 7/23$834
This Kiwi.com deal was found by Cheapflights users on 7/23. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 8/278:48 am
ONT
-
NRT
2 stops42h 22m
Multiple Airlines
mié. 9/211:30 am
NRT
-
ONT
1 stop23h 31m
Multiple Airlines
Deal found 7/23$837
This Kiwi.com deal was found by Cheapflights users on 7/23. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 9/1011:38 am
ONT
-
KIX
2 stops41h 12m
Multiple Airlines
mar. 9/2211:35 pm
KIX
-
ONT
1 stop33h 30m
Multiple Airlines
Deal found 7/23$964

Find flight deals from Ontario to Japan

Keep the following information in mind while searching for Ontario to Japan flight deals. Data was last updated julio 24, 2026.

Most accurate provider

Ovago
3 stars

Most trusted provider

Ovago
3 stars

Round-trip from

$779
(Kiwi.com)

One-way from

$292
(Trip.com)

Popular in

June

Cheapest in

January

Average price

$970
Provider with most accurate pricing for Los Angeles Los Angeles-Tokyo (TYO) flight deals.
Search Deals
Provider most trusted by Cheapflights users for Los Angeles 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. 14% potential increase in price ($142 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($24 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in July 2026
Search Deals

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 julio 24, 2026.
Use the filters below to find and compare flights from Ontario to Japan that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

OntarioNagoya

ONT - NGO

ONTNGO

Ontario

dom. 9/6

12:45 am-9:05 pm

1 stop28h 20m

Nagoya Chubu Centrair Intl

mié. 9/16

9:55 am-6:00 pm

1 stop24h 05m

$1,007

OntarioFukuoka

ONT - FUK

ONTFUK

Ontario

dom. 11/1

10:50 pm-7:35 pm

1 stop27h 45m

Fukuoka

jue. 11/19

8:35 pm-5:05 pm

1 stop37h 30m

$1,060

OntarioFukuoka

ONT - FUK

ONTFUK

Ontario

sáb. 11/7

10:50 pm-10:00 am

1 stop18h 10m

Fukuoka

jue. 11/19

8:35 pm-5:05 pm

1 stop37h 30m

$1,060

OntarioFukuoka

ONT - FUK

ONTFUK

Ontario

mié. 11/4

10:50 pm-10:00 am

1 stop18h 10m

Fukuoka

jue. 11/19

8:35 pm-5:05 pm

1 stop37h 30m

$1,060

OntarioFukuoka

ONT - FUK

ONTFUK

Ontario

mié. 11/4

10:50 pm-10:00 am

1 stop18h 10m

Fukuoka

vie. 11/20

6:30 pm-5:05 pm

1 stop15h 35m

$1,060

OntarioFukuoka

ONT - FUK

ONTFUK

Ontario

mar. 11/3

10:50 pm-7:35 pm

1 stop27h 45m

Fukuoka

jue. 11/19

8:35 pm-5:05 pm

1 stop37h 30m

$1,060

OntarioOkinawa

ONT - OKA

ONTOKA

Ontario

mar. 8/18

12:45 am-7:45 pm

1 stop27h 00m

Okinawa Naha

mar. 8/25

11:55 am-6:40 pm

1 stop22h 45m

$1,126

OntarioSapporo

ONT - CTS

ONTCTS

Ontario

sáb. 8/29

1:56 pm-5:05 pm

2 stops35h 09m

Sapporo Chitose

mié. 9/2

12:25 pm-9:59 pm

2 stops49h 34m

$1,136

OntarioOkinawa

ONT - OKA

ONTOKA

Ontario

dom. 9/6

6:20 am-11:50 am

2 stops37h 30m

Okinawa Naha

vie. 9/18

12:50 pm-5:19 pm

2 stops20h 29m

$1,156

OntarioTokyo

ONT - HND

ONTHND

Ontario

mié. 8/19

6:20 am-2:20 pm

1 stop16h 00m

Tokyo Haneda

mié. 8/26

4:20 pm-10:45 pm

1 stop22h 25m

$1,158

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/24

Showing 1-10 of 60 resultsSorted by cheapest first
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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.

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, August is the cheapest month in which you can book a flight from Ontario to Japan (average of $778). Flying from Ontario to Japan in July is currently the most expensive (average of $1,378). 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.

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 julio 24, 2026.
See what other customers who have flown with China Airlines,ANA, andAlaska Airlines from Ontario to Japan have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
China Airlines
8.3
Very good
838 reviews

Boarding

8.3

Overall

8.3

Entertainment

8.0

Crew

8.5

Comfort

8.0

Food

7.8

Reviews

1 / 20
10.0
Excellent

A,Feb 2026

SEA - TPE

China Airlines has improved significantly over the years. This is the first time we fly on their business class after 20+ years. Both hardware and services impressed us. Will definitely fly with again in the future.
China Airlines
8.3
Very good
838 reviews
China Airlines
8.3
Very good
838 reviews

Boarding

8.3

Overall

8.3

Entertainment

8.0

Crew

8.5

Comfort

8.0

Food

7.8

Reviews

1 / 20
10.0
Excellent

A,Feb 2026

SEA - TPE

China Airlines has improved significantly over the years. This is the first time we fly on their business class after 20+ years. Both hardware and services impressed us. Will definitely fly with again in the future.
ANA
8.3
Very good
1,276 reviews
China Airlines
8.3
Very good
838 reviews

Boarding

8.3

Overall

8.3

Entertainment

8.0

Crew

8.5

Comfort

8.0

Food

7.8

Reviews

1 / 20
10.0
Excellent

A,Feb 2026

SEA - TPE

China Airlines has improved significantly over the years. This is the first time we fly on their business class after 20+ years. Both hardware and services impressed us. Will definitely fly with again in the future.
Alaska Airlines
7.9
Good
12,707 reviews
China Airlines
8.3
Very good
838 reviews

Boarding

8.3

Overall

8.3

Entertainment

8.0

Crew

8.5

Comfort

8.0

Food

7.8

Reviews

1 / 20
10.0
Excellent

A,Feb 2026

SEA - TPE

China Airlines has improved significantly over the years. This is the first time we fly on their business class after 20+ years. Both hardware and services impressed us. Will definitely fly with again in the future.
Delta
7.8
Good
8,482 reviews
China Airlines
8.3
Very good
838 reviews

Boarding

8.3

Overall

8.3

Entertainment

8.0

Crew

8.5

Comfort

8.0

Food

7.8

Reviews

1 / 20
10.0
Excellent

A,Feb 2026

SEA - TPE

China Airlines has improved significantly over the years. This is the first time we fly on their business class after 20+ years. Both hardware and services impressed us. Will definitely fly with again in the future.
United Airlines
7.4
Good
10,032 reviews
China Airlines
8.3
Very good
838 reviews

Boarding

8.3

Overall

8.3

Entertainment

8.0

Crew

8.5

Comfort

8.0

Food

7.8

Reviews

1 / 20
10.0
Excellent

A,Feb 2026

SEA - TPE

China Airlines has improved significantly over the years. This is the first time we fly on their business class after 20+ years. Both hardware and services impressed us. Will definitely fly with again in the future.

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.

  • How long is the flight from Ontario to Japan?

    Airlines like China Airlines, United Airlines, and Delta fly from Ontario to Japan in about 16h. The time it takes to get you to your destination can typically vary by up to 12h 20m. Airlines will cover a distance of 5505 mi. This flight may include one or multiple stops.

  • 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, August is the cheapest month in which you can book a flight from Ontario to Japan (average of $778). Flying from Ontario to Japan in July is currently the most expensive (average of $1,378). 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 4 airlines flying from Ontario to Japan

Discover the top 4 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 julio 24, 2026.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$783Average$990FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$829Average$1,293FlexibilityNo cancel feeOn-time69%
China AirlinesCheapest$998Average$1,251FlexibilityNo cancel feeOn-time70%
DeltaCheapest$1,038Average$1,410FlexibilityNo cancel feeOn-timeN/A

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