Cheap Flights from Ontario International to Tokyo

Compare Ontario International to Tokyo flight deals

Find the cheapest month or even day of the year to fly to Tokyo

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Flight deals from Ontario International to Tokyo

Looking for a cheap last-minute deal or the best round-trip flight from Ontario International to Tokyo? Find the lowest prices on one-way and round-trip tickets right here.

Tokyo.$635 per passenger.Departing Mon, Jan 5, returning Wed, Jan 21.Round-trip flight with Alaska Airlines.Outbound indirect flight with Alaska Airlines, departing from Ontario International on Mon, Jan 5, arriving in Tokyo Narita.Inbound indirect flight with Alaska Airlines, departing from Tokyo Narita on Wed, Jan 21, arriving in Ontario International.Price includes taxes and charges.From $635, select.

Tokyo.$645 per passenger.Departing Wed, Jan 21, returning Tue, Feb 3.Round-trip flight with Alaska Airlines.Outbound indirect flight with Alaska Airlines, departing from Ontario International on Wed, Jan 21, arriving in Tokyo Haneda.Inbound indirect flight with Alaska Airlines, departing from Tokyo Haneda on Tue, Feb 3, arriving in Ontario International.Price includes taxes and charges.From $645, select.

Tokyo.$647 per passenger.Departing Mon, Feb 16, returning Sun, Mar 1.Round-trip flight with Alaska Airlines.Outbound indirect flight with Alaska Airlines, departing from Ontario International on Mon, Feb 16, arriving in Tokyo Narita.Inbound indirect flight with Alaska Airlines, departing from Tokyo Narita on Sun, Mar 1, arriving in Ontario International.Price includes taxes and charges.From $647, select.

Tokyo.$660 per passenger.Departing Sun, Feb 1, returning Tue, Feb 10.Round-trip flight with Alaska Airlines.Outbound indirect flight with Alaska Airlines, departing from Ontario International on Sun, Feb 1, arriving in Tokyo Narita.Inbound indirect flight with Alaska Airlines, departing from Tokyo Narita on Tue, Feb 10, arriving in Ontario International.Price includes taxes and charges.From $660, select.

Tokyo.$708 per passenger.Departing Tue, Dec 2, returning Thu, Dec 18.Round-trip flight with Frontier Airlines and Zipair.Outbound indirect flight with Frontier Airlines, departing from Ontario International on Tue, Dec 2, arriving in Tokyo Narita.Inbound indirect flight with Zipair, departing from Tokyo Narita on Thu, Dec 18, arriving in Ontario International.Price includes taxes and charges.From $708, select.

Tokyo.$728 per passenger.Departing Wed, Dec 31, returning Wed, Jan 21.Round-trip flight with Alaska Airlines.Outbound indirect flight with Alaska Airlines, departing from Ontario International on Wed, Dec 31, arriving in Tokyo Narita.Inbound indirect flight with Alaska Airlines, departing from Tokyo Narita on Wed, Jan 21, arriving in Ontario International.Price includes taxes and charges.From $728, select.

Tokyo.$745 per passenger.Departing Wed, Mar 4, returning Wed, Mar 11.Round-trip flight with Alaska Airlines.Outbound indirect flight with Alaska Airlines, departing from Ontario International on Wed, Mar 4, arriving in Tokyo Haneda.Inbound indirect flight with Alaska Airlines, departing from Tokyo Haneda on Wed, Mar 11, arriving in Ontario International.Price includes taxes and charges.From $745, select.

Tokyo.$745 per passenger.Departing Tue, Sep 1, returning Thu, Sep 17.Round-trip flight with Alaska Airlines.Outbound indirect flight with Alaska Airlines, departing from Ontario International on Tue, Sep 1, arriving in Tokyo Haneda.Inbound indirect flight with Alaska Airlines, departing from Tokyo Haneda on Thu, Sep 17, arriving in Ontario International.Price includes taxes and charges.From $745, select.

Find the cheapest month to fly from Ontario International to Tokyo

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

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Alternative Ontario International to Tokyo routes

Looking for the cheapest, fastest or easiest route from Ontario International to Tokyo? You could fly into the following airports instead.

Ontario to Tokyo: Flight information

The things to know before you go.

Cheapest flight found	$635
Cheapest month to fly	January

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

How many airports are there in Tokyo?

There are 3 airports in Tokyo: Tokyo Haneda, Tokyo Narita and Omitama.

How much are round-trip flights from Ontario International to Tokyo?

The best price we found for a round-trip flight from Ontario International to Tokyo is $635. 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 Ontario International to Tokyo?

Currently, there are no airlines that fly direct from Ontario International to Tokyo. But we found flights with one or more stops from $635.

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

There are no flights flying from Ontario International to Tokyo, as of October 2025.

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

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

What's the cheapest airport to fly to in Tokyo?

If you're flying from Ontario International Airport, the cheapest airport near Tokyo is Tokyo Narita – which is 63.7 km away from the center of Tokyo. We've found flights to this airport from $635.

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

After crunching the numbers on our flight calendar, we found that it's currently cheapest to fly from Ontario International Airport to Tokyo on Monday, January 5, 2026.

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

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

How can I get the best flight deal from Ontario International Airport to Tokyo?

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 Tokyo 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 Tokyo?

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

What’s the weather like in Tokyo?

In October, the average temperature is usually around 25°C. August is typically the warmest month in Tokyo, when it usually averages around 28°C. You can expect the least rain in February. The coldest month is February, with temperatures averaging 15°C. The rainiest month is May.

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

Currently, Alaska Airlines offers the cheapest flight tickets to Tokyo.

Traveling from Ontario International Airport (ONT) to Tokyo: what you need to know

Tokyo is 16 hours ahead of Ontario, where Ontario International Airport is located. Tokyo runs on the UTC+9 timezone.
For stress-free travel, turn up at the airport two hours ahead of international flights and one hour before domestic departures. That way, you can comfortably catch your ONT to Tokyo flight.
Planning to travel during a peak period like public or school holidays? Expect longer lines at security and check-in. Give yourself extra leeway and arrive up to four hours before international flights and two hours before domestic departures.
We make it simple to book flight tickets from ONT to Tokyo with a stopover. To see all your options, uncheck 'Direct flights only.' Next, pick a flight that has a stop long enough to see the sights of your chosen city. The most sought-after stopovers include:
- Denver International Airport (DEN)
- Seattle-Tacoma International Airport (SEA)
- San Francisco International Airport (SFO)
ONT is about 5 kilometers from central Ontario. If you're driving, ride-sharing or catching a cab from the center, it'll take you 10 minutes or so to get there, depending on the traffic. If you're planning to take public transport, expect the journey time to be around 1 hour 30 minutes.
Planning to catch an early flight from Ontario International Airport to Tokyo? Avoid rushing to the terminal (and sneak in some extra snooze time) by choosing one of these hotels near ONT:
83.6% of flights departing from Ontario International Airport reach their destination on schedule. With its strong on-time stats, disruptions are unlikely when setting off from ONT.
You'll find ONT at 2900 E. Airport Drive.

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

$345 is currently the best price for a one-way Ontario International Airport to Tokyo flight. A return flight ticket starts at $635. These prices can change based on availability.
Don't leave everything to the last moment. You're more likely to pick up cheap flights from ONT to Tokyo if you book ahead. Airlines often offer some great early bird discounts.
Finding cheap tickets from Ontario International Airport to Tokyo is easier if you can be flexible with your dates. Try using the 'Whole month' search function to access the lowest prices across the month and bag a fantastic deal.
Spend less time searching for cheap flights from ONT to Tokyo by creating a Price Alert. You'll get an email or push notification on the app when a new discounted fare appears.
Choose your preferred arrival and departure times, number of stops and airlines with our filters. Then, sort the results for your flight from Ontario International Airport to Tokyo by 'Cheapest,' 'Best' or 'Fastest.'

Airports in Tokyo

Haneda Airport (HND)

Haneda Airport (HND) to the center of Tokyo takes around 15 minutes to reach by car. The center is roughly 16 kilometers away.
If you're coming in on a late flight from Ontario International Airport to Tokyo, nothing beats the convenience of staying near the terminal. Collect your bags from the carousel and then be showered and resting soon after at one of these accommodation options near HND:
Pick up a Haneda Airport rental car and explore Tokyo and beyond with your own set of wheels. Europcar, Nissan Rent a Car and Times are top providers to choose from here.
Booking your ride from Haneda Airport about three weeks before your flight from ONT to Tokyo can help you get the lowest rate.
The address for HND is 3丁目 Hanedakuko, Ota.

Narita International Airport (NRT)

Once your flight from Ontario International Airport to Tokyo has hit the tarmac, you can reach the city center in about 1 hour by car. Central Tokyo is roughly 64 kilometers from Narita International Airport (NRT).
There are some comfortable places to rest your head close to NRT. Kick back and get cozy after your ONT to Tokyo flight at any of these well-located options:
Forget about public transport schedules or waiting in a long cab line. Grab a Narita International Airport rental car and go in any direction that inspires you. Check out the rates and availability from Airport Car Rental, JDM Rent a car and Miki Car Rental.
Snap up the best price by reserving your ride from NRT four weeks in advance. You can also expect to have a wider range of vehicles.
Narita International Airport can be found at 成田空港第2PTB(バス), Narita.

Best time to go to Tokyo

Before you book your flights from Ontario International Airport to Tokyo, consider which time of year is best for you. Peak season in Tokyo offers a lively atmosphere and plenty of things to do, while the off-season means you'll get cheaper deals on hotels and fewer crowds.
The warmest month in Tokyo is August, with temperatures ranging between 26ºC (79ºF) and 29ºC (84ºF). Book your Ontario International Airport to Tokyo flight ticket then if that's the weather you find most pleasant.
For cooler conditions, search for a cheap ticket from ONT to Tokyo in February when temperatures average between 15ºC (59ºF) and 20ºC (68ºF).

More about Tokyo

Start your Tokyo trip right by choosing the ideal place to stay. Once you've booked your flight from Ontario International Airport to Tokyo, browse our range of accommodation options including:
Every great vacation has to include a little sightseeing. Senso-ji Temple Yogodo, Tokyo Tower and Mag's Park Rooftop Shibuya Crossing are must-do's during your Tokyo adventure.

Explore more of Japan

Tokyo is easy to fall in love with, but there are so many other corners of Japan just waiting to be discovered. About 402 kilometers west of Tokyo, a visit to Osaka will keep your itinerary busy. Start with leading attractions like Osaka Castle, Dotonbori and Universal Studios Japan.
Around 257 kilometers west of Tokyo, Nagoya is another favorite stop in Japan. Start your sightseeing at Nagoya Castle, Atsuta Shrine and Osu Kannon Temple.