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$387+ 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 7/14. Fares are subject to change and may not be available on all flights or dates of travel.
ONT — FUK
Jun 10 — Jun 171
Wed 6/10
Wed 6/17
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 May 11, 2026.

This Kiwi.com deal was found by Cheapflights users on 5/7. 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.
Tue 8/255:43 pm
ONT
-
NRT
1 stop28h 42m
Multiple Airlines
Tue 9/89:30 pm
NRT
-
ONT
2 stops34h 40m
Multiple Airlines
Deal found 5/7$833
This Kiwi.com deal was found by Cheapflights users on 5/9. 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.
Tue 8/2510:50 am
ONT
-
NRT
2 stops35h 35m
Multiple Airlines
Mon 8/319:30 pm
NRT
-
ONT
1 stop31h 12m
Multiple Airlines
Deal found 5/9$852
This Kiwi.com deal was found by Cheapflights users on 5/7. 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.
Thu 8/2710:50 am
ONT
-
NRT
2 stops35h 35m
Multiple Airlines
Thu 9/109:30 pm
NRT
-
ONT
1 stop14h 47m
Multiple Airlines
Deal found 5/7$863
This Kiwi.com deal was found by Cheapflights users on 5/9. 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.
Tue 8/185:43 pm
ONT
-
NRT
1 stop28h 42m
Multiple Airlines
Mon 8/2410:30 am
NRT
-
ONT
2 stops25h 18m
Multiple Airlines
Deal found 5/9$875
This Kiwi.com deal was found by Cheapflights users on 5/7. 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.
Thu 9/103:47 pm
ONT
-
NRT
1 stop31h 38m
Multiple Airlines
Fri 9/1811:30 am
NRT
-
ONT
2 stops42h 27m
Multiple Airlines
Deal found 5/7$974
This Kiwi.com deal was found by Cheapflights users on 5/11. 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 9/1811:38 am
ONT
-
NRT
1 stop16h 22m
Multiple Airlines
Fri 9/2511:30 am
NRT
-
ONT
2 stops42h 27m
Multiple Airlines
Deal found 5/11$997
This Kiwi.com deal was found by Cheapflights users on 5/9. 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.
Thu 9/1711:38 am
ONT
-
NRT
1 stop16h 22m
Multiple Airlines
Tue 9/229:30 pm
NRT
-
ONT
2 stops34h 40m
Multiple Airlines
Deal found 5/9$1,003
This Delta deal was found by Cheapflights users on 5/8. 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.
Sat 8/2212:55 pm
ONT
-
KIX
2 stops39h 50m
Delta
Sat 9/512:35 pm
KIX
-
ONT
2 stops26h 09m
Delta
Deal found 5/8$1,048
This SmartFares deal was found by Cheapflights users on 5/7. 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 SmartFares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/1012:45 am
ONT
-
KIX
1 stop19h 15m
China Airlines
Sun 9/201:10 pm
KIX
-
ONT
1 stop20h 50m
China Airlines
Deal found 5/7$1,083
This SmartFares deal was found by Cheapflights users on 5/11. 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 SmartFares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/2212:10 am
ONT
-
KIX
1 stop25h 55m
China Airlines
Wed 9/307:05 pm
KIX
-
ONT
1 stop38h 55m
China Airlines
Deal found 5/11$1,084
This Gotogate deal was found by Cheapflights users on 5/9. 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.
Thu 9/312:45 am
ONT
-
KIX
1 stop19h 15m
China Airlines
Sat 9/121:10 pm
KIX
-
ONT
1 stop21h 30m
China Airlines
Deal found 5/9$1,099
This Gotogate deal was found by Cheapflights users on 5/8. 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.
Thu 8/2712:45 am
ONT
-
FUK
1 stop17h 10m
China Airlines
Thu 9/311:00 am
FUK
-
ONT
1 stop23h 40m
China Airlines
Deal found 5/8$1,099

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 May 11, 2026.

Most accurate provider

Ovago
3 stars

Most trusted provider

Ovago
3 stars

Round-trip from

$833
(Kiwi.com)

One-way from

$387
(Kiwi.com)

Popular in

June

Cheapest in

January

Average price

$862
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. 11% potential increase in price ($107 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($19 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in May 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 May 11, 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

OntarioOkinawa

ONT - OKA

ONTOKA

Ontario

Sun 10/11

12:10 am-7:45 pm

1 stop27h 35m

Okinawa Naha

Fri 10/23

11:50 am-6:00 pm

1 stop22h 10m

$1,105

OntarioFukuoka

ONT - FUK

ONTFUK

Ontario

Tue 10/13

12:10 am-9:55 am

1 stop17h 45m

Fukuoka

Mon 11/2

8:35 pm-4:50 pm

1 stop37h 15m

$1,111

OntarioFukuoka

ONT - FUK

ONTFUK

Ontario

Mon 9/14

12:45 am-8:00 pm

1 stop27h 15m

Fukuoka

Wed 9/30

11:00 am-6:00 pm

1 stop23h 00m

$1,114

OntarioOkinawa

ONT - OKA

ONTOKA

Ontario

Fri 8/21

12:45 am-7:45 pm

1 stop27h 00m

Okinawa Naha

Sun 8/30

11:55 am-6:40 pm

1 stop22h 45m

$1,137

OntarioSapporo

ONT - CTS

ONTCTS

Ontario

Thu 10/1

12:10 am-1:35 pm

1 stop21h 25m

Sapporo Chitose

Fri 10/16

3:05 pm-6:00 pm

1 stop18h 55m

$1,140

OntarioOkinawa

ONT - OKA

ONTOKA

Ontario

Fri 10/2

12:10 am-7:45 pm

1 stop27h 35m

Okinawa Naha

Sat 10/24

11:50 am-6:00 pm

1 stop22h 10m

$1,144

OntarioOkinawa

ONT - OKA

ONTOKA

Ontario

Thu 8/20

12:45 am-10:45 am

1 stop18h 00m

Okinawa Naha

Sun 8/30

11:55 am-6:40 pm

1 stop22h 45m

$1,147

OntarioOsaka

ONT - KIX

ONTKIX

Ontario

Fri 9/18

7:00 am-10:40 pm

2 stops23h 40m

Osaka Kansai Intl

Thu 10/15

2:15 am-5:17 pm

2 stops31h 02m

$1,278

OntarioNagoya

ONT - NGO

ONTNGO

Ontario

Wed 9/9

12:45 am-9:05 pm

1 stop28h 20m

Nagoya Chubu Centrair Intl

Wed 9/23

12:20 pm-8:55 pm

2 stops24h 35m

$1,300

OntarioTokyo

ONT - NRT

ONTNRT

Ontario

Tue 8/18

12:04 pm-12:55 pm

2 stops32h 51m

Tokyo Narita

Tue 8/25

10:25 pm-7:03 pm

2 stops36h 38m

$1,322

Flights are sorted by cheapest round-trip flights first.

Deals found on 5/8

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, November is the cheapest month in which you can book a flight from Ontario to Japan (average of $258). Flying from Ontario to Japan in May is currently the most expensive (average of $853). 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 May 11, 2026.
See what other customers who have flown with Japan Airlines,China Airlines, 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.
Japan Airlines
8.3
Very good
1,817 reviews

Overall

8.3

Boarding

8.4

Entertainment

7.8

Comfort

8.2

Crew

8.7

Food

7.7

Reviews

1 / 20
10.0
Excellent

Anonymous,Nov 2025

BKK - NRT

Everything was was a great experience, the staff was very friendly and always had a smile on the face.
Japan Airlines
8.3
Very good
1,817 reviews
Japan Airlines
8.3
Very good
1,817 reviews

Overall

8.3

Boarding

8.4

Entertainment

7.8

Comfort

8.2

Crew

8.7

Food

7.7

Reviews

1 / 20
10.0
Excellent

Anonymous,Nov 2025

BKK - NRT

Everything was was a great experience, the staff was very friendly and always had a smile on the face.
China Airlines
8.3
Very good
826 reviews
Japan Airlines
8.3
Very good
1,817 reviews

Overall

8.3

Boarding

8.4

Entertainment

7.8

Comfort

8.2

Crew

8.7

Food

7.7

Reviews

1 / 20
10.0
Excellent

Anonymous,Nov 2025

BKK - NRT

Everything was was a great experience, the staff was very friendly and always had a smile on the face.
Alaska Airlines
7.9
Good
12,355 reviews
Japan Airlines
8.3
Very good
1,817 reviews

Overall

8.3

Boarding

8.4

Entertainment

7.8

Comfort

8.2

Crew

8.7

Food

7.7

Reviews

1 / 20
10.0
Excellent

Anonymous,Nov 2025

BKK - NRT

Everything was was a great experience, the staff was very friendly and always had a smile on the face.
United Airlines
7.4
Good
9,700 reviews
Japan Airlines
8.3
Very good
1,817 reviews

Overall

8.3

Boarding

8.4

Entertainment

7.8

Comfort

8.2

Crew

8.7

Food

7.7

Reviews

1 / 20
10.0
Excellent

Anonymous,Nov 2025

BKK - NRT

Everything was was a great experience, the staff was very friendly and always had a smile on the face.
American Airlines
7.1
Good
11,664 reviews
Japan Airlines
8.3
Very good
1,817 reviews

Overall

8.3

Boarding

8.4

Entertainment

7.8

Comfort

8.2

Crew

8.7

Food

7.7

Reviews

1 / 20
10.0
Excellent

Anonymous,Nov 2025

BKK - NRT

Everything was was a great experience, the staff was very friendly and always had a smile on the face.

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, Delta, and Qatar Airways fly from Ontario to Japan in about 23h 40m. The time it takes to get you to your destination can typically vary by up to 9h 11m. Airlines will cover a distance of 5759 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, November is the cheapest month in which you can book a flight from Ontario to Japan (average of $258). Flying from Ontario to Japan in May is currently the most expensive (average of $853). 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 May 11, 2026.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$743Average$1,228FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$783Average$1,044FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$820Average$1,090FlexibilityNo cancel feeOn-time69%
China AirlinesCheapest$998Average$1,399FlexibilityNo cancel feeOn-time70%

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