$445 Cheap Flights from Japan to Ontario in 2026 | momondo

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One-way

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Recent round-trip flight deals from Japan to Los Angeles

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6:25 pm - 5:47 pmHND Tokyo Haneda-ONT Ontario

16h 22m1 stop San Francisco

6:00 am - 2:50 pmONT Ontario-HND Tokyo Haneda

15h 50m1 stop San Francisco

$837United Airlines

Thu, Jan 21 - Wed, Feb 3

6:25 pm - 8:26 pmHND Tokyo Haneda-ONT Ontario

19h 01m1 stop San Francisco

6:00 am - 2:50 pmONT Ontario-HND Tokyo Haneda

15h 50m1 stop San Francisco

$837United Airlines

Mon, Jan 18 - Mon, Feb 1

6:25 pm - 5:47 pmHND Tokyo Haneda-ONT Ontario

16h 22m1 stop San Francisco

6:00 am - 2:50 pmONT Ontario-HND Tokyo Haneda

15h 50m1 stop San Francisco

$837United Airlines

Thu, Jan 21 - Tue, Feb 2

6:25 pm - 3:27 pmHND Tokyo Haneda-ONT Ontario

14h 02m1 stop San Francisco

6:00 am - 2:50 pmONT Ontario-HND Tokyo Haneda

15h 50m1 stop San Francisco

$837United Airlines

Tue, Jan 19 - Tue, Feb 2

6:25 pm - 3:27 pmHND Tokyo Haneda-ONT Ontario

14h 02m1 stop San Francisco

6:00 am - 2:50 pmONT Ontario-HND Tokyo Haneda

15h 50m1 stop San Francisco

$837United Airlines

Tue, Jan 19 - Wed, Feb 3

6:25 pm - 3:27 pmHND Tokyo Haneda-ONT Ontario

14h 02m1 stop San Francisco

6:00 am - 2:50 pmONT Ontario-HND Tokyo Haneda

15h 50m1 stop San Francisco

$837United Airlines

Tue, Jan 19 - Mon, Feb 1

6:25 pm - 3:27 pmHND Tokyo Haneda-ONT Ontario

14h 02m1 stop San Francisco

6:00 am - 2:50 pmONT Ontario-HND Tokyo Haneda

15h 50m1 stop San Francisco

$837United Airlines

Mon, Jan 18 - Tue, Feb 2

6:25 pm - 3:27 pmHND Tokyo Haneda-ONT Ontario

14h 02m1 stop San Francisco

6:00 am - 2:50 pmONT Ontario-HND Tokyo Haneda

15h 50m1 stop San Francisco

$837United Airlines

Thu, Feb 4 - Sun, Feb 14

6:25 pm - 3:27 pmHND Tokyo Haneda-ONT Ontario

14h 02m1 stop San Francisco

6:00 am - 2:50 pmONT Ontario-HND Tokyo Haneda

15h 50m1 stop San Francisco

$837United Airlines

Wed, Feb 3 - Thu, Feb 18

6:25 pm - 3:27 pmHND Tokyo Haneda-ONT Ontario

14h 02m1 stop San Francisco

6:00 am - 2:50 pmONT Ontario-HND Tokyo Haneda

15h 50m1 stop San Francisco

$837United Airlines

Tue, Feb 2 - Mon, Feb 15

Recent last minute flight deals from Japan to Los Angeles

Enter your travel dates to find the best prices.

4:30 pm - 8:53 pmNRT Tokyo Narita-ONT Ontario

20h 23m1 stop Denver Intl

1:18 pm - 2:45 pmONT Ontario-NRT Tokyo Narita

33h 27m1 stop Denver Intl

$997United Airlines

Thu, Sep 10 - Sat, Sep 12

3:50 pm - 6:11 pmHND Tokyo Haneda-ONT Ontario

18h 21m1 stop San Francisco

1:56 pm - 1:55 pmONT Ontario-HND Tokyo Haneda

31h 59m1 stop San Francisco

$997United Airlines

Thu, Sep 10 - Sat, Sep 12

4:30 pm - 12:50 pmNRT Tokyo Narita-ONT Ontario

36h 20m1 stop Denver Intl

6:08 am - 3:00 pmONT Ontario-NRT Tokyo Narita

16h 52m1 stop San Francisco

$998United Airlines

Thu, Sep 10 - Thu, Sep 17

3:50 pm - 8:01 pmHND Tokyo Haneda-ONT Ontario

20h 11m1 stop San Francisco

6:08 am - 1:55 pmONT Ontario-HND Tokyo Haneda

15h 47m1 stop San Francisco

$998United Airlines

Thu, Sep 10 - Thu, Sep 17

4:30 pm - 9:59 pmNRT Tokyo Narita-ONT Ontario

21h 29m2 stops Denver Intl Houston George Bush Intcntl

1:18 pm - 3:00 pmONT Ontario-NRT Tokyo Narita

33h 42m2 stops Denver Intl San Francisco

$1,001United Airlines

Thu, Sep 10 - Mon, Sep 14

5:05 pm - 6:11 pmNRT Tokyo Narita-ONT Ontario

17h 06m1 stop San Francisco

9:01 am - 3:00 pmONT Ontario-NRT Tokyo Narita

13h 59m1 stop San Francisco

$1,001United Airlines

Thu, Sep 10 - Mon, Sep 14

5:05 pm - 9:59 pmNRT Tokyo Narita-ONT Ontario

20h 54m2 stops San Francisco Houston George Bush Intcntl

5:00 am - 2:45 pmONT Ontario-NRT Tokyo Narita

17h 45m1 stop Denver Intl

$1,001United Airlines

Thu, Sep 10 - Mon, Sep 14

3:50 pm - 8:01 pmHND Tokyo Haneda-ONT Ontario

20h 11m1 stop San Francisco

1:18 pm - 1:55 pmONT Ontario-HND Tokyo Haneda

32h 37m2 stops Denver Intl San Francisco

$1,001United Airlines

Thu, Sep 10 - Mon, Sep 14

3:50 pm - 8:53 pmHND Tokyo Haneda-ONT Ontario

21h 03m2 stops San Francisco Denver Intl

1:18 pm - 1:55 pmONT Ontario-HND Tokyo Haneda

32h 37m2 stops Denver Intl San Francisco

$1,001United Airlines

Thu, Sep 10 - Mon, Sep 14

3:50 pm - 8:01 pmHND Tokyo Haneda-ONT Ontario

20h 11m1 stop San Francisco

1:56 pm - 1:55 pmONT Ontario-HND Tokyo Haneda

31h 59m1 stop San Francisco

$1,001United Airlines

Thu, Sep 10 - Mon, Sep 14

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United Airlines flights from Japan to Ontario

Our best United Airlines deals on Japan to Ontario flight tickets

United Airlines

Feb 1

NRT4:50 pmTokyo Narita

15h 37m

1 stop

ONT3:27 pmOntario

Feb 14

ONT6:00 amOntario

16h 00m

1 stop

NRT3:00 pmTokyo Narita

$837

United Airlines

Jan 13

NRT4:50 pmTokyo Narita

20h 36m

1 stop

ONT8:26 pmOntario

Feb 17

ONT1:00 pmOntario

33h 35m

1 stop

NRT3:35 pmTokyo Narita

$838

United Airlines

Feb 1

HND6:25 pmTokyo Haneda

16h 22m

1 stop

ONT5:47 pmOntario

Feb 8

ONT1:00 pmOntario

32h 50m

2 stops

HND2:50 pmTokyo Haneda

$841

STARLUX Airlines flights from Japan to Ontario

Our best STARLUX Airlines deals on Japan to Ontario flight tickets

STARLUX Airlines

Oct 2

KIX3:10 pmOsaka Kansai Intl

17h 55m

1 stop

ONT5:05 pmOntario

Oct 9

ONT11:30 pmOntario

20h 45m

1 stop

KIX12:15 pmOsaka Kansai Intl

$1,211

STARLUX Airlines

Sep 5

NRT2:10 pmTokyo Narita

18h 55m

1 stop

ONT5:05 pmOntario

Sep 12

ONT11:30 pmOntario

23h 35m

1 stop

NRT3:05 pmTokyo Narita

$1,236

STARLUX Airlines

Jan 26

NGO3:05 pmNagoya Chubu Centrair Intl

17h 50m

1 stop

ONT3:55 pmOntario

Jan 30

ONT9:45 pmOntario

27h 45m

1 stop

NGO6:30 pmNagoya Chubu Centrair Intl

$1,247

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

TokyoOntario

HND Tokyo Haneda - ONT Ontario

HNDONT

Tokyo Haneda

Thu 1/21

6:25 pm-5:47 pm

1 stop16h 22m

Ontario

Wed 2/3

6:00 am-2:50 pm

1 stop15h 50m

$837

TokyoOntario

HND Tokyo Haneda - ONT Ontario

HNDONT

Tokyo Haneda

Mon 1/18

6:25 pm-8:26 pm

1 stop19h 01m

Ontario

Mon 2/1

6:00 am-2:50 pm

1 stop15h 50m

$837

TokyoOntario

HND Tokyo Haneda - ONT Ontario

HNDONT

Tokyo Haneda

Thu 1/21

6:25 pm-5:47 pm

1 stop16h 22m

Ontario

Tue 2/2

6:00 am-2:50 pm

1 stop15h 50m

$837

Quickest round-trip

TokyoOntario

HND Tokyo Haneda - ONT Ontario

HNDONT

Tokyo Haneda

Tue 1/19

6:25 pm-3:27 pm

1 stop14h 02m

Ontario

Tue 2/2

6:00 am-2:50 pm

1 stop15h 50m

$837

TokyoOntario

HND Tokyo Haneda - ONT Ontario

HNDONT

Tokyo Haneda

Tue 1/19

6:25 pm-3:27 pm

1 stop14h 02m

Ontario

Wed 2/3

6:00 am-2:50 pm

1 stop15h 50m

$837

TokyoOntario

HND Tokyo Haneda - ONT Ontario

HNDONT

Tokyo Haneda

Tue 1/19

6:25 pm-3:27 pm

1 stop14h 02m

Ontario

Mon 2/1

6:00 am-2:50 pm

1 stop15h 50m

$837

TokyoOntario

HND Tokyo Haneda - ONT Ontario

HNDONT

Tokyo Haneda

Mon 1/18

6:25 pm-3:27 pm

1 stop14h 02m

Ontario

Tue 2/2

6:00 am-2:50 pm

1 stop15h 50m

$837

TokyoOntario

HND Tokyo Haneda - ONT Ontario

HNDONT

Tokyo Haneda

Thu 2/4

6:25 pm-3:27 pm

1 stop14h 02m

Ontario

Sun 2/14

6:00 am-2:50 pm

1 stop15h 50m

$837

TokyoOntario

HND Tokyo Haneda - ONT Ontario

HNDONT

Tokyo Haneda

Wed 2/3

6:25 pm-3:27 pm

1 stop14h 02m

Ontario

Thu 2/18

6:00 am-2:50 pm

1 stop15h 50m

$837

TokyoOntario

HND Tokyo Haneda - ONT Ontario

HNDONT

Tokyo Haneda

Tue 2/2

6:25 pm-3:27 pm

1 stop14h 02m

Ontario

Mon 2/15

6:00 am-2:50 pm

1 stop15h 50m

$837

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first

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How to get the cheapest flight ticket from Japan to Ontario

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

Prices

Airlines

Other information

Can stopping save me money on Japan to Ontario flights?

You could potentially save up to 39% on your flight if you consider stops on a Japan to Ontario flight.

Cheap Japan to Ontario flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Japan to Ontario

Best Price Found	$445
Fastest flight time	13h 12m
Direct flights	None

The best one-way flight to Ontario from Japan in the past 72 hours is $445. The best round-trip flight deal from Japan to Ontario found on momondo in the last 72 hours is $837.

The fastest flight from Japan to Ontario takes 13h 12m

There are no direct flights from Japan to Ontario. There are no popular flight routes from Japan to Ontario.

Search flight deals

Frequently asked questions about flying from Japan to Ontario

When did momondo last update prices for flights from Japan to Ontario Airport?
Prices for flights from Japan to Ontario Airport were last updated today.
How old do you have to be to fly from Japan to Ontario Airport?
The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Japan to Ontario Airport.
What documentation or ID do you need to fly to Ontario Airport?
The required travel and health documents for your Ontario Airport trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Ontario Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

Why use momondo?

Why should I use momondo to find a flight deal from Japan to Ontario?

Finding the right flight to Ontario from Japan is quick and easy when you have a range of options in front of you, from reputable agents and recognisable airlines. Options that can then be filtered down to find the best fit. That is what momondo does. We make finding flights to Ontario quick and easy, saving you time and money.

Can I find flights from Japan to Ontario with flexible booking policies on momondo?

Flights from Japan to Ontario with flexible booking policies can be found by using the search form above and then selecting our dedicated flexible booking filter, which will highlight only the flights where this policy is applied.

How can momondo help me find flights from Japan to Ontario?

momondo helps you find the best flight between Japan and Ontario by providing filters to narrow your choice of flights to those matching your criteria. You can select flights based on numerous factors such as price, departure and landing times, airport and airline.

I’m not ready to book a flight from Japan to Ontario right now. Can momondo alert me if prices change?

If you are not ready to book a flight from Japan to Ontario now, use our insights above to find helpful tips or alternatively set up a price alert, where momondo will track prices on flights to Ontario and let you know when they change.

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