What airlines fly to Ontario?

United Airlines, American Airlines and Japan Airlines are the top three most popular airlines that fly to Ontario from Japan according to our data. United Airlines is the first choice among our users, with 33% of people opting to fly with this airline when traveling to Ontario. Keep in mind that there are 12 different airlines that fly to Ontario on a routine basis, so you have a few additional options to choose from.

How long does it take to fly to Ontario?

Average flight duration from Japan to Ontario depends on which airport you fly into and out of. Flying from Tokyo to Los Angeles is 9h 52m on average, while flying from Osaka to Los Angeles is 11h 37m on average. Los Angeles is the most popular airport in Ontario.

What is the cheapest airline that flies from Japan to Ontario?

United Airlines, Delta, and Korean Air are the most popular carriers operating 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.

$315 Cheap Flights from Japan to Ontario in 2026

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Find the cheapest flights from Japan to Los Angeles

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Recent round-trip flight deals from Japan to Los Angeles

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5:35 pm - 8:58 pm

NRT

ONT

20h 23m1 stop

5:05 am - 3:40 pm

ONT

NRT

17h 35m1 stop

$558United Airlines

Mon, Jan 26 - Sun, Feb 8

4:25 pm - 12:47 pm

HND

ONT

37h 22m2 stops

1:24 pm - 2:50 pm

ONT

HND

32h 26m2 stops

$558United Airlines

Fri, Feb 6 - Tue, Feb 10

4:25 pm - 8:58 pm

HND

ONT

21h 33m2 stops

6:39 pm - 2:50 pm

ONT

HND

27h 11m1 stop

$559United Airlines

Thu, Jan 22 - Sun, Jan 25

5:55 pm - 5:22 pm

HND

ONT

16h 27m1 stop

6:00 am - 6:30 pm

ONT

HND

19h 30m1 stop

$586American Airlines

Thu, Jan 22 - Wed, Feb 4

5:55 pm - 5:22 pm

HND

ONT

16h 27m1 stop

6:00 am - 6:30 pm

ONT

HND

19h 30m1 stop

$590American Airlines

Thu, Jan 22 - Wed, Feb 4

4:50 pm - 11:50 pm

HND

ONT

23h 00m2 stops

7:30 am - 2:15 pm

ONT

HND

14h 45m1 stop

$606Delta

Wed, Mar 25 - Tue, Apr 14

4:50 pm - 10:34 pm

HND

ONT

21h 44m1 stop

5:45 pm - 2:15 pm

ONT

HND

52h 30m2 stops

$609Delta

Wed, Mar 25 - Sat, Apr 11

9:20 am - 5:13 pm

NRT

ONT

23h 53m2 stops

7:30 am - 9:05 pm

ONT

NRT

21h 35m2 stops

$629Korean Air

Wed, Apr 8 - Sat, Apr 25

12:45 pm - 5:50 pm

KIX

ONT

21h 05m1 stop

12:10 am - 6:05 pm

ONT

KIX

25h 55m1 stop

$788China Airlines

Wed, Mar 18 - Mon, Mar 30

2:00 pm - 6:00 pm

KIX

ONT

20h 00m1 stop

12:10 am - 12:00 pm

ONT

KIX

19h 50m1 stop

$789China Airlines

Sat, May 30 - Sat, Jun 20

Delta flights from Japan to Ontario

Our best Delta deals on Japan to Ontario flight tickets

Delta

Mar 25

HND4:50 pmTokyo Haneda

23h 00m

2 stops

ONT11:50 pmOntario

Apr 14

ONT7:30 amOntario

14h 45m

1 stop

HND2:15 pmTokyo Haneda

$606

Delta

Mar 25

HND4:50 pmTokyo Haneda

21h 44m

1 stop

ONT10:34 pmOntario

Apr 11

ONT5:45 pmOntario

52h 30m

2 stops

HND2:15 pmTokyo Haneda

$609

Delta

Mar 25

HND4:50 pmTokyo Haneda

23h 00m

2 stops

ONT11:50 pmOntario

Apr 16

ONT11:53 amOntario

34h 22m

1 stop

HND2:15 pmTokyo Haneda

$611

Korean Air flights from Japan to Ontario

Our best Korean Air deals on Japan to Ontario flight tickets

Korean Air

Apr 8

NRT9:20 amTokyo Narita

23h 53m

2 stops

ONT5:13 pmOntario

Apr 23

ONT7:30 amOntario

21h 35m

2 stops

NRT9:05 pmTokyo Narita

$629

Korean Air

Apr 8

NRT9:20 amTokyo Narita

23h 53m

2 stops

ONT5:13 pmOntario

Apr 23

ONT7:30 amOntario

21h 35m

2 stops

NRT9:05 pmTokyo Narita

$630

Korean Air

Mar 23

NRT6:35 pmTokyo Narita

43h 59m

2 stops

ONT10:34 pmOntario

Apr 14

ONT7:30 amOntario

21h 35m

2 stops

NRT9:05 pmTokyo Narita

$795

Fly from

Fly to

Route

Depart

Return

Price

TokyoOntario

NRT - ONT

NRTONT

Tokyo Narita

Mon 1/26

5:35 pm-8:58 pm

1 stop20h 23m

Ontario

Sun 2/8

5:05 am-3:40 pm

1 stop17h 35m

$558

TokyoOntario

HND - ONT

HNDONT

Tokyo Haneda

Fri 2/6

4:25 pm-12:47 pm

2 stops37h 22m

Ontario

Tue 2/10

1:24 pm-2:50 pm

2 stops32h 26m

$558

TokyoOntario

HND - ONT

HNDONT

Tokyo Haneda

Thu 1/22

4:25 pm-8:58 pm

2 stops21h 33m

Ontario

Sun 1/25

6:39 pm-2:50 pm

1 stop27h 11m

$559

TokyoOntario

HND - ONT

HNDONT

Tokyo Haneda

Thu 1/22

5:55 pm-5:22 pm

1 stop16h 27m

Ontario

Wed 2/4

6:00 am-6:30 pm

1 stop19h 30m

$586

TokyoOntario

HND - ONT

HNDONT

Tokyo Haneda

Thu 1/22

5:55 pm-5:22 pm

1 stop16h 27m

Ontario

Wed 2/4

6:00 am-6:30 pm

1 stop19h 30m

$590

TokyoOntario

HND - ONT

HNDONT

Tokyo Haneda

Wed 3/25

4:50 pm-11:50 pm

2 stops23h 00m

Ontario

Tue 4/14

7:30 am-2:15 pm

1 stop14h 45m

$606

TokyoOntario

HND - ONT

HNDONT

Tokyo Haneda

Wed 3/25

4:50 pm-10:34 pm

1 stop21h 44m

Ontario

Sat 4/11

5:45 pm-2:15 pm

2 stops52h 30m

$609

TokyoOntario

NRT - ONT

NRTONT

Tokyo Narita

Wed 4/8

9:20 am-5:13 pm

2 stops23h 53m

Ontario

Sat 4/25

7:30 am-9:05 pm

2 stops21h 35m

$629

OsakaOntario

KIX - ONT

KIXONT

Osaka Kansai Intl

Wed 3/18

12:45 pm-5:50 pm

1 stop21h 05m

Ontario

Mon 3/30

12:10 am-6:05 pm

1 stop25h 55m

$788

OsakaOntario

KIX - ONT

KIXONT

Osaka Kansai Intl

Sat 5/30

2:00 pm-6:00 pm

1 stop20h 00m

Ontario

Sat 6/20

12:10 am-12:00 pm

1 stop19h 50m

$789

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first

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 10% 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

Fastest flight time	15h 50m
Direct flights	None

The fastest flight from Japan to Ontario takes 15h 50m

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

Search flight deals

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.