Cheap Flights from Tokyo Haneda to Ontario International

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Compare Tokyo Haneda to Ontario International flight deals

Find the cheapest month or even day of the year to fly to Ontario International

Book the best Ontario International fare with no extra fees

Flight deals Cheapest month Find the best route Route info FAQs Tips and advice

Flight deals from Tokyo Haneda to Ontario International

Looking for a cheap last-minute deal or the best return flight from Tokyo Haneda Airport to Ontario International Airport? If you want to travel next month, return fares start from $1,741. Find the lowest prices on one-way and return tickets right here.

Ontario.$1,426 per passenger.Departing Wed, 17 Feb, returning Wed, 24 Feb.Return flight with United.Outbound indirect flight with United, departs from Tokyo Haneda on Wed, 17 Feb, arriving in Ontario International.Inbound indirect flight with United, departs from Ontario International on Wed, 24 Feb, arriving in Tokyo Haneda.Price includes taxes and charges.From $1,426, select.

Ontario.$1,466 per passenger.Departing Tue, 23 Mar, returning Tue, 30 Mar.Return flight with United.Outbound indirect flight with United, departs from Tokyo Haneda on Tue, 23 Mar, arriving in Ontario International.Inbound indirect flight with United, departs from Ontario International on Tue, 30 Mar, arriving in Tokyo Haneda.Price includes taxes and charges.From $1,466, select.

Ontario.$1,571 per passenger.Departing Sat, 19 Dec, returning Tue, 29 Dec.Return flight with United.Outbound indirect flight with United, departs from Tokyo Haneda on Sat, 19 Dec, arriving in Ontario International.Inbound indirect flight with United, departs from Ontario International on Tue, 29 Dec, arriving in Tokyo Haneda.Price includes taxes and charges.From $1,571, select.

Ontario.$1,574 per passenger.Departing Tue, 30 Mar, returning Sat, 10 Apr.Return flight with United.Outbound indirect flight with United, departs from Tokyo Haneda on Tue, 30 Mar, arriving in Ontario International.Inbound indirect flight with United, departs from Ontario International on Sat, 10 Apr, arriving in Tokyo Haneda.Price includes taxes and charges.From $1,574, select.

Ontario.$1,741 per passenger.Departing Thu, 15 Oct, returning Mon, 19 Oct.Return flight with United.Outbound indirect flight with United, departs from Tokyo Haneda on Thu, 15 Oct, arriving in Ontario International.Inbound indirect flight with United, departs from Ontario International on Mon, 19 Oct, arriving in Tokyo Haneda.Price includes taxes and charges.From $1,741, select.

Ontario.$1,791 per passenger.Departing Sat, 16 Jan, returning Sat, 23 Jan.Return flight with United.Outbound indirect flight with United, departs from Tokyo Haneda on Sat, 16 Jan, arriving in Ontario International.Inbound indirect flight with United, departs from Ontario International on Sat, 23 Jan, arriving in Tokyo Haneda.Price includes taxes and charges.From $1,791, select.

Ontario.$1,870 per passenger.Departing Sun, 13 Sep, returning Sun, 20 Sep.Return flight with United.Outbound indirect flight with United, departs from Tokyo Haneda on Sun, 13 Sep, arriving in Ontario International.Inbound indirect flight with United, departs from Ontario International on Sun, 20 Sep, arriving in Tokyo Haneda.Price includes taxes and charges.From $1,870, select.

Ontario.$1,935 per passenger.Departing Mon, 2 Nov, returning Sat, 7 Nov.Return flight with United.Outbound indirect flight with United, departs from Tokyo Haneda on Mon, 2 Nov, arriving in Ontario International.Inbound indirect flight with United, departs from Ontario International on Sat, 7 Nov, arriving in Tokyo Haneda.Price includes taxes and charges.From $1,935, select.

Ontario.$2,072 per passenger.Departing Sat, 26 Dec, returning Mon, 11 Jan.Return flight with United.Outbound indirect flight with United, departs from Tokyo Haneda on Sat, 26 Dec, arriving in Ontario International.Inbound indirect flight with United, departs from Ontario International on Mon, 11 Jan, arriving in Tokyo Haneda.Price includes taxes and charges.From $2,072, select.

Ontario.$2,118 per passenger.Departing Thu, 1 Jul, returning Fri, 9 Jul.Return flight with Delta.Outbound indirect flight with Delta, departs from Tokyo Haneda on Thu, 1 Jul, arriving in Ontario International.Inbound indirect flight with Delta, departs from Ontario International on Fri, 9 Jul, arriving in Tokyo Haneda.Price includes taxes and charges.From $2,118, select.

Ontario.$2,179 per passenger.Departing Mon, 25 Jan, returning Wed, 3 Feb.Return flight with China Airlines and Alaska Airlines.Outbound indirect flight with China Airlines, departs from Tokyo Haneda on Mon, 25 Jan, arriving in Ontario International.Inbound indirect flight with Alaska Airlines, departs from Ontario International on Wed, 3 Feb, arriving in Tokyo Haneda.Price includes taxes and charges.From $2,179, select.

Ontario.$2,277 per passenger.Departing Thu, 6 May, returning Sun, 16 May.Return flight with China Airlines.Outbound indirect flight with China Airlines, departs from Tokyo Haneda on Thu, 6 May, arriving in Ontario International.Inbound indirect flight with China Airlines, departs from Ontario International on Sun, 16 May, arriving in Tokyo Haneda.Price includes taxes and charges.From $2,277, select.

Ontario.$2,279 per passenger.Departing Thu, 15 Apr, returning Thu, 22 Apr.Return flight with China Airlines.Outbound indirect flight with China Airlines, departs from Tokyo Haneda on Thu, 15 Apr, arriving in Ontario International.Inbound indirect flight with China Airlines, departs from Ontario International on Thu, 22 Apr, arriving in Tokyo Haneda.Price includes taxes and charges.From $2,279, select.

Ontario.$2,280 per passenger.Departing Tue, 29 Sep, returning Sat, 3 Oct.Return flight with China Airlines.Outbound indirect flight with China Airlines, departs from Tokyo Haneda on Tue, 29 Sep, arriving in Ontario International.Inbound indirect flight with China Airlines, departs from Ontario International on Sat, 3 Oct, arriving in Tokyo Haneda.Price includes taxes and charges.From $2,280, select.

Ontario.$2,281 per passenger.Departing Sun, 15 Nov, returning Mon, 14 Dec.Return flight with China Airlines.Outbound indirect flight with China Airlines, departs from Tokyo Haneda on Sun, 15 Nov, arriving in Ontario International.Inbound indirect flight with China Airlines, departs from Ontario International on Mon, 14 Dec, arriving in Tokyo Haneda.Price includes taxes and charges.From $2,281, select.

Ontario.$2,298 per passenger.Departing Fri, 11 Sep, returning Mon, 14 Dec.Return flight with China Airlines.Outbound indirect flight with China Airlines, departs from Tokyo Haneda on Fri, 11 Sep, arriving in Ontario International.Inbound indirect flight with China Airlines, departs from Ontario International on Mon, 14 Dec, arriving in Tokyo Haneda.Price includes taxes and charges.From $2,298, select.

Find the cheapest month to fly from Tokyo Haneda to Ontario International

We’re always keeping an eye on fares, so you can find the best one in seconds. It looks like Tokyo Haneda to Ontario International flights are currently cheapest in February.

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Tokyo Haneda to Ontario International: Alternative routes

Compare routes from Tokyo Haneda to Ontario below. You may find an airport to fly into that's cheaper, faster, or easier than Ontario International.

Tokyo to Ontario: Flight information

The things to know before you go.

Cheapest flight found	$1,421
Cheapest month to fly	February

Finding cheap flights from Tokyo Haneda to Ontario International: Frequently asked questions

How much are return flights from Tokyo Haneda to Ontario International?

The best price we found for a return flight from Tokyo Haneda to Ontario International is $1,421. This is an estimate based on information collected from different airlines and travel providers over the last 4 days and is subject to change and availability.

Which airlines fly direct from Tokyo Haneda to Ontario International?

Currently, there are no airlines that fly direct from Tokyo Haneda to Ontario International. But we found flights with one or more stops from $1,421.

How many flights are there a week from Tokyo Haneda to Ontario International?

As of September 2026, there are no flights flying from Tokyo Haneda to Ontario International.

When is the cheapest time to fly from Tokyo Haneda to Ontario International?

The cheapest month to fly from Tokyo Haneda to Ontario International is usually February.

Which upcoming date is cheapest to fly from Tokyo Haneda Airport to Ontario International Airport on?

After crunching the numbers on our flight calendar, we found that it's currently cheapest to fly from Tokyo Haneda Airport to Ontario International Airport on Wednesday, 17 February 2027.

Can I get a direct flight from Tokyo Haneda Airport to Ontario International Airport?

No airlines currently offer direct flights between Tokyo Haneda Airport and Ontario International Airport. Most routes have one or more stops.

How can I find the best flight deal to Ontario International?

We show every price from over 1,200 airlines and travel agents, comparing them all so you don’t have to. If you know you want to fly to Ontario International but you’re not ready to book, set up a Price Alert. We’ll track prices for you, and let you know when they rise or fall.

When is the best time to book flights to Ontario?

We crunched all the numbers in our flight calendar and it looks like the cheapest time to book a flight to Ontario is around 40 days in advance, so don’t leave your flight to the last minute.

Which is the cheapest airline to fly from Tokyo Haneda Airport to Ontario International with?

Currently, United offers the cheapest flight tickets to Ontario International.

Travelling from Tokyo Haneda Airport (HND) to Ontario International Airport (ONT): what you need to know

Ontario's timezone is UTC-8, making Ontario 17 hours behind Tokyo.
Arriving two hours before an international flight and one hour ahead of a domestic departure are tried-and-true travel tips. Get to the airport on time to board your HND to ONT flight.
Flying during a peak time like April? Public holidays and other popular seasons can mean longer lines and delays at security. Be extra cautious and arrive up to four hours ahead of international flights and two hours before domestic departures.
We make it a piece of cake to book a flight with a stopover. To see your options for tickets from Tokyo Haneda Airport to Ontario International Airport, deselect 'Direct flights only.' Then, pick a flight that has a stop long enough to visit your chosen city. Some great stopovers between HND and ONT include:
- Seattle / Tacoma International Airport
- San Francisco International Airport
- Honolulu International Airport

How to find the cheapest flights from Tokyo Haneda Airport (HND) to Ontario International Airport (ONT)

$1,190 is the lowest price for a one-way Tokyo Haneda Airport to Ontario International Airport flight. Return flights start from $1,426. These prices can change based on demand.
It's usually best to book early if you want to get cheap tickets from HND to ONT. That's because airlines adjust prices based on demand, which tends to increase closer to the date of departure.
The 'Whole month' search tool shows you the cheapest flights from Tokyo Haneda Airport to Ontario International Airport across the entire month. It's a good way to snap up a bargain if your travel dates are flexible.
Picking up cheap flights from HND to ONT couldn't be easier with Price Alerts. Simply create one of these automatic alerts and we'll let you know when fares go down.
Select your preferred arrival and departure times, airlines and number of stops with the filters. Or sort your results by 'Cheapest' to get the best deals on flights from Tokyo Haneda Airport to Ontario International Airport.

Handy information about Tokyo Haneda Airport (HND)

You'll find HND at 3丁目 Hanedakuko, Ota.
78% of flights taking off from Tokyo Haneda Airport reach their destination on time.
To get to Tokyo Haneda Airport from central Tokyo, it takes about 25 minutes if you're planning to drive. This depends on traffic, however. It's approximately 19 kilometres from the airport to the city centre.
Catching public transport? You can expect a journey time of around 30 minutes.
Get your journey off to a relaxed start by staying near HND. Whether you're catching an early flight from Tokyo Haneda Airport to Ontario International Airport or want to avoid feeling rushed, these hotels are perfect:

Arriving at Ontario International Airport (ONT)

The last thing you need is a long journey to your hotel if you're landing late on a Tokyo Haneda Airport to Ontario International Airport flight. Check in to one of these accommodation options near ONT instead:
Follow your own route with a Ontario International Airport rental car. Book your wheels from Dollar, Fox - Rent A Car or Thrifty and experience more of Ontario and beyond.
To lock in the lowest price, reserve your ride from Ontario International Airport around three weeks before travelling.

When to fly to Ontario International Airport (ONT)

It's time to choose your dates for your flight from Tokyo Haneda Airport to Ontario International Airport. July is the busiest month to head to Ontario. If you'd like a more low-key vibe, go in March.
The warmest month in Ontario is August, with temperatures ranging between 16ºC and 36ºC. Book your flights from Tokyo Haneda Airport to Ontario International Airport in this month if you enjoy this type of weather.
Look for cheap tickets from HND to ONT in February if you like travelling in cooler conditions. Temperatures are at their lowest around then, ranging between 4ºC and 24ºC on average.

Explore more of the United States

Ontario is always a good idea, but there are so many other corners of the United States just waiting to be discovered. Around 56 kilometres west of Ontario, a visit to Los Angeles will keep your itinerary packed. Start with attractions like Hollywood Sign, Universal Studios Hollywood and Hollywood Bowl.
San Diego is another must-experience destination in the United States and is around 153 kilometres south of Ontario. No trip is complete without visiting San Diego Zoo, San Diego Balboa Park and USS Midway Museum.