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Cheap Flights from Tokyo (TYOA) to Ontario (ONT)

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Flight deals from Tokyo to Ontario International

Looking for a cheap last-minute deal or the best return flight from Tokyo to Ontario International? Find the lowest prices on one-way and return tickets right here.
Ontario.$1,239 per passenger.Departing Tue, 3 Feb, returning Wed, 11 Feb.Return flight with Delta.Outbound indirect flight with Delta, departs from Tokyo Haneda on Tue, 3 Feb, arriving in Ontario International.Inbound indirect flight with Delta, departs from Ontario International on Wed, 11 Feb, arriving in Tokyo Haneda.Price includes taxes and charges.From $1,239, select.
Ontario.$1,240 per passenger.Departing Thu, 4 Sep, returning Mon, 8 Sep.Return flight with Delta.Outbound indirect flight with Delta, departs from Tokyo Haneda on Thu, 4 Sep, arriving in Ontario International.Inbound indirect flight with Delta, departs from Ontario International on Mon, 8 Sep, arriving in Tokyo Haneda.Price includes taxes and charges.From $1,240, select.
Ontario.$1,240 per passenger.Departing Wed, 25 Feb, returning Tue, 3 Mar.Return flight with Delta.Outbound indirect flight with Delta, departs from Tokyo Haneda on Wed, 25 Feb, arriving in Ontario International.Inbound indirect flight with Delta, departs from Ontario International on Tue, 3 Mar, arriving in Tokyo Haneda.Price includes taxes and charges.From $1,240, select.
Ontario.$1,243 per passenger.Departing Tue, 27 Jan, returning Sun, 1 Feb.Return flight with Delta.Outbound indirect flight with Delta, departs from Tokyo Haneda on Tue, 27 Jan, arriving in Ontario International.Inbound indirect flight with Delta, departs from Ontario International on Sun, 1 Feb, arriving in Tokyo Haneda.Price includes taxes and charges.From $1,243, select.
Ontario.$1,333 per passenger.Departing Thu, 3 Jul, returning Thu, 10 Jul.Return flight with Delta.Outbound indirect flight with Delta, departs from Tokyo Haneda on Thu, 3 Jul, arriving in Ontario International.Inbound indirect flight with Delta, departs from Ontario International on Thu, 10 Jul, arriving in Tokyo Haneda.Price includes taxes and charges.From $1,333, select.
Ontario.$1,351 per passenger.Departing Tue, 13 Jan, returning Tue, 27 Jan.Return flight with Hawaiian Airlines.Outbound indirect flight with Hawaiian Airlines, departs from Tokyo Narita on Tue, 13 Jan, arriving in Ontario International.Inbound indirect flight with Hawaiian Airlines, departs from Ontario International on Tue, 27 Jan, arriving in Tokyo Narita.Price includes taxes and charges.From $1,351, select.
Ontario.$1,357 per passenger.Departing Tue, 30 Sep, returning Mon, 2 Feb.Return flight with Hawaiian Airlines.Outbound indirect flight with Hawaiian Airlines, departs from Tokyo Narita on Tue, 30 Sep, arriving in Ontario International.Inbound indirect flight with Hawaiian Airlines, departs from Ontario International on Mon, 2 Feb, arriving in Tokyo Narita.Price includes taxes and charges.From $1,357, select.
Ontario.$1,358 per passenger.Departing Tue, 30 Sep, returning Wed, 8 Oct.Return flight with Hawaiian Airlines.Outbound indirect flight with Hawaiian Airlines, departs from Tokyo Narita on Tue, 30 Sep, arriving in Ontario International.Inbound indirect flight with Hawaiian Airlines, departs from Ontario International on Wed, 8 Oct, arriving in Tokyo Narita.Price includes taxes and charges.From $1,358, select.

Find the cheapest month to fly from Tokyo to Ontario International

We’re always keeping an eye on fares, so you can find the best one in seconds. It looks like Tokyo to Ontario International flights are currently cheapest in February.
Jun
from $1,780
Jul
from $1,333
Aug
from $1,430
Sep
from $1,240
Oct
from $1,368
Nov
from $1,441
Dec
from $1,417
Jan
from $1,351
Feb
from $1,239
Mar
from $1,441
Apr
from $1,443
May
from $1,443

Tokyo to Ontario International: Alternative routes

Compare routes from Tokyo 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$1,239
Cheapest month to flyFebruary

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

The best price we found for a return flight from Tokyo to Ontario International is $1,239. 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.
Currently, there are no airlines that fly direct from Tokyo to Ontario International. But we found flights with one stop from $1,239.
As of June 2025, there are no flights flying from Tokyo to Ontario International.
The cheapest month to fly from Tokyo to Ontario International is usually February.
After crunching the numbers on our flight calendar, we found that it is currently cheapest to fly from Tokyo to Ontario International Airport on Tuesday, 3 February 2026.
No airlines currently offer direct flights between Tokyo and Ontario International Airport. Most routes have one or more stops.
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.
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.
The cheapest airline that flies to Ontario International is Delta .

Travelling from Tokyo to Ontario International Airport (ONT): What you need to know

  • There are a couple of airports to choose from in Tokyo. Check out your options leaving from Haneda Airport (HND) or Narita International Airport (NRT) when booking your flight from Tokyo to Ontario International Airport (ONT).

  • Ontario International Airport is located in Ontario. The city is in the UTC-7 timezone and is 16 hours behind Tokyo.

  • Your flight from Tokyo to ONT won't wait if you're running late, so be at the airport on time. Arrive up to one hour in advance for domestic flights and two hours ahead when you're travelling internationally.

  • High season means busier airports, so show up even earlier. Give yourself at least two hours before a domestic flight and four hours for international journeys to stay on schedule.

Airports in Tokyo

Haneda Airport (HND)

  • We make it a breeze to book cheap flights from Tokyo to ONT that include a stopover. To explore your options leaving from Haneda Airport (HND), uncheck 'Direct flights only.' Then, simply choose a flight with a stop long enough to tour the city of your choice. Major stopovers between HND and ONT include:

    • Seattle-Tacoma International Airport (SEA)

    • San Francisco International Airport (SFO)

    • Daniel K. Inouye International Airport (HNL)

  • The distance from central Tokyo to HND is around 16 kilometres. Depending on traffic, it'll take about 15 minutes to get there if you're driving, ride-sharing or catching a cab.

  • Planning to catch an early flight from Tokyo to Ontario International Airport? Avoid rushing to the terminal (and catch some extra z's) by picking one of these stays close to Haneda Airport:

  • 73.52% of flights leaving from Haneda Airport land at their destination on schedule.

  • You'll find HND at 3丁目 Hanedakuko, Ota.

Narita International Airport (NRT)

  • Cross another spot off your travel list or just take a moment to stretch your legs with a stopover. If you'd like to break up your flight from Tokyo to Ontario International Airport, check out these options when leaving from Narita International Airport:

    • Denver International Airport (DEN)

    • Seattle-Tacoma International Airport (SEA)

    • Daniel K. Inouye International Airport (HNL)

  • Depending on traffic conditions, you can drive to NRT from the centre of Tokyo in around 1 hour. The airport is approximately 64 kilometres away.

  • Catching the earliest flight? You might like to check in to one of these accommodation options near Narita International Airport the day before your Tokyo to ONT flight:

  • Narita International Airport has an on-time performance of 70.53%. This figure highlights how frequently flights that take off from this airport make it to their destination on schedule.

  • NRT is located at 成田空港第2PTB(バス), Narita.

About Ontario International Airport (ONT)

Getting from Ontario International Airport (ONT) to central Ontario

  • Ontario International Airport is around 5 kilometres from central Ontario. How long it takes to get there by car hire or cab depends on the time of day. Do a little research beforehand.

  • It'll take around 1 hour 30 minutes if you're travelling by public transport.

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

  • The lowest price we've found for a one-way ticket from Tokyo to Ontario International Airport is $531. For a return flight on this route, the best price is $1,239. Depending on when and how early you book, these fares could change.

  • Don't wait until the last minute. You're more likely to find cheap flights from Tokyo to ONT if you book ahead. Airlines often have some great early bird discounts.

  • Cheap Tokyo to Ontario International Airport tickets are easier to find when your dates are flexible. Try using the 'Whole month' tool to compare fares across every month and then pick the cheapest day.

  • Snapping up a cheap flight ticket from Tokyo to ONT couldn't be easier with Price Alerts. Simply set up one of these automatic alerts and we'll notify you when there's a price drop.

  • Save money on your flight from Tokyo to Ontario International Airport by using the search filters. Choose your ideal departure time, duration and airlines, then sort the results by 'Cheapest' for the best deals.

The best time to fly from Tokyo to Ontario International Airport (ONT)

  • May is the quietest month for flights from Tokyo to Ontario International Airport (ONT), while August is the busiest. Figure out the ideal time to go to Ontario based on whether you prefer a bustling atmosphere or a more laid-back vibe.

  • Before locking in your Tokyo to ONT flight ticket, consider what kind of weather you prefer. August is the warmest month in Ontario, with temperatures ranging from 15ºC (59ºF) to 35ºC (95ºF).

  • Look for cheap tickets from Tokyo to Ontario International Airport in January if you'd rather travel when it's cooler. Temperatures are at their lowest then, ranging between 4ºC (39ºF) and 23ºC (73ºF).

More about Ontario

  • When it comes to searching for somewhere to rest your head, you'll find the top stays in Ontario right here. Explore these hotels once you've locked in your flight from Tokyo to Ontario International Airport:

  • There are so many things to see and do in this city, it can be hard to work out where to start. Conservation Park, Citizens Business Bank Arena and Scandia are major attractions which should be on any well-planned Ontario itinerary.

Explore more of the United States

  • You've done Ontario, now it's time to discover other parts of the United States. Journey about 153 kilometres south to San Diego to tick off its popular sights. From San Diego Zoo to San Diego Balboa Park and USS Midway Museum, you'll have a full itinerary ahead.

  • Around 193 kilometres north-west of Ontario, Bakersfield is another favourite stop in the United States. Experience major highlights starting with Kern County Museum, Dr. Martin Luther King, Jr. Park and BAPS Shri Swaminarayan Mandir.

Plan the rest of your trip from Tokyo to Ontario

Prices shown on this page are estimated lowest prices only. Found in the last 45 days.