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Cheap Flights from Hong Kong Intl to Ontario International

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      Travelers and cabin class, 1 Adult, Economy

      Compare Hong Kong Intl 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 from Hong Kong Intl to Ontario International

      Looking for a cheap last-minute deal or the best round-trip flight from Hong Kong Intl to Ontario International? Find the lowest prices on one-way and round-trip tickets right here.
      Ontario.AED 2,914 per passenger.Departing Wed, Sep 17, returning Mon, Sep 22.Round-trip flight with STARLUX Airlines.Outbound indirect flight with STARLUX Airlines, departing from Hong Kong Intl on Wed, Sep 17, arriving in Ontario International.Inbound indirect flight with STARLUX Airlines, departing from Ontario International on Mon, Sep 22, arriving in Hong Kong Intl.Price includes taxes and charges.From AED 2,914, select.
      Ontario.AED 2,931 per passenger.Departing Sun, Jun 1, returning Sun, Jul 13.Round-trip flight with China Airlines.Outbound indirect flight with China Airlines, departing from Hong Kong Intl on Sun, Jun 1, arriving in Ontario International.Inbound indirect flight with China Airlines, departing from Ontario International on Sun, Jul 13, arriving in Hong Kong Intl.Price includes taxes and charges.From AED 2,931, select.
      Ontario.AED 2,931 per passenger.Departing Fri, May 2, returning Fri, May 16.Round-trip flight with China Airlines.Outbound indirect flight with China Airlines, departing from Hong Kong Intl on Fri, May 2, arriving in Ontario International.Inbound indirect flight with China Airlines, departing from Ontario International on Fri, May 16, arriving in Hong Kong Intl.Price includes taxes and charges.From AED 2,931, select.
      Ontario.AED 2,931 per passenger.Departing Sun, Oct 12, returning Sun, Oct 19.Round-trip flight with China Airlines.Outbound indirect flight with China Airlines, departing from Hong Kong Intl on Sun, Oct 12, arriving in Ontario International.Inbound indirect flight with China Airlines, departing from Ontario International on Sun, Oct 19, arriving in Hong Kong Intl.Price includes taxes and charges.From AED 2,931, select.
      Ontario.AED 2,935 per passenger.Departing Sat, Sep 27, returning Sat, Oct 11.Round-trip flight with China Airlines.Outbound indirect flight with China Airlines, departing from Hong Kong Intl on Sat, Sep 27, arriving in Ontario International.Inbound indirect flight with China Airlines, departing from Ontario International on Sat, Oct 11, arriving in Hong Kong Intl.Price includes taxes and charges.From AED 2,935, select.
      Ontario.AED 2,935 per passenger.Departing Wed, Jun 11, returning Sun, Jun 29.Round-trip flight with China Airlines.Outbound indirect flight with China Airlines, departing from Hong Kong Intl on Wed, Jun 11, arriving in Ontario International.Inbound indirect flight with China Airlines, departing from Ontario International on Sun, Jun 29, arriving in Hong Kong Intl.Price includes taxes and charges.From AED 2,935, select.
      Ontario.AED 2,940 per passenger.Departing Sun, Jun 1, returning Sat, Sep 6.Round-trip flight with China Airlines.Outbound indirect flight with China Airlines, departing from Hong Kong Intl on Sun, Jun 1, arriving in Ontario International.Inbound indirect flight with China Airlines, departing from Ontario International on Sat, Sep 6, arriving in Hong Kong Intl.Price includes taxes and charges.From AED 2,940, select.
      Ontario.AED 3,057 per passenger.Departing Sat, Jun 28, returning Sat, Aug 9.Round-trip flight with China Airlines.Outbound indirect flight with China Airlines, departing from Hong Kong Intl on Sat, Jun 28, arriving in Ontario International.Inbound indirect flight with China Airlines, departing from Ontario International on Sat, Aug 9, arriving in Hong Kong Intl.Price includes taxes and charges.From AED 3,057, select.

      Find the cheapest month to fly from Hong Kong Intl to Ontario International

      We’re always keeping an eye on fares, so you can find the best one in seconds. It looks like Hong Kong Intl to Ontario International flights are currently cheapest in September.
      Apr
      from AED 3,229
      May
      from AED 2,931
      Jun
      from AED 2,935
      Jul
      from AED 3,922
      Aug
      from AED 3,904
      Sep
      from AED 2,914
      Oct
      from AED 2,931
      Nov
      from AED 3,380
      Dec
      from AED 3,200
      Jan
      from AED 4,907
      Feb
      from AED 5,290
      Mar
      from AED 5,036

      Hong Kong Intl to Ontario International: Alternative routes

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

      Hong Kong to Ontario: Flight information

      The things to know before you go.
      Cheapest flight foundAED 2,914
      Cheapest month to flySeptember

      Finding cheap flights from Hong Kong Intl to Ontario International: Frequently asked questions

      The best price we found for a round-trip flight from Hong Kong Intl to Ontario International is AED 2,914. 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 Hong Kong Intl to Ontario International. But we found flights with one or more stops from AED 2,914.
      There are no flights flying from Hong Kong Intl to Ontario International, as of April 2025.
      The cheapest month to fly from Hong Kong Intl to Ontario International is usually April 2025.
      After crunching the numbers on our flight calendar, we found that it's currently cheapest to fly from Hong Kong Intl Airport to Ontario International Airport on Wednesday, September 17, 2025.
      No airlines currently offer direct flights between Hong Kong Intl Airport 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.
      Currently, STARLUX Airlines offers the cheapest flight tickets to Ontario International.

      Flying from Hong Kong International Airport (HKG) to Ontario International Airport (ONT): what you need to know

      • Ontario is 15 hours behind Hong Kong and follows the UTC-7 timezone.

      • For a smooth journey, arrive at the airport two hours ahead of international flights and one hour before domestic departures. This way, you'll have plenty of time to board your HKG to ONT flight.

      • Flying during a peak month like April? Public holidays and other high seasons can result in longer lines at security. Be extra cautious and arrive up to four hours ahead of an international flight and two hours before domestic departures.

      • Opt for a stopover if you prefer to break up your flight. Simply uncheck 'Direct flights only' to see the options for tickets from Hong Kong International Airport to Ontario International Airport. San Francisco International Airport is a popular stopover on the HKG to ONT route.

      How to find the cheapest flights from Hong Kong International Airport (HKG) to Ontario International Airport (ONT)

      • AED 1,794 is the best price for a one-way Hong Kong International Airport to Ontario International Airport flight. A return flight starts at AED 2,914. These prices may change depending on demand.

      • To find cheap tickets from HKG to ONT, book as early as you can. Airlines generally offer lower fares when flights are first released.

      • Finding cheap flights from Hong Kong International Airport to Ontario International Airport is more likely if you're flexible with your travel dates. Use the 'Whole month' search function to see the lowest fares throughout the month and land a great deal.

      • You won't have to check every day to find out if fares have gone down when you create a Price Alert. We'll notify you the moment the price changes on cheap flights from HKG to ONT.

      • Find the right flight for you by using the filters. To see the 'Best,' 'Fastest' or 'Cheapest' flights from Hong Kong International Airport to Ontario International Airport, use the 'Sort by' function. You can also filter results by departure and arrival times, airline, and journey duration.

      Handy information about Hong Kong International Airport (HKG)

      • You'll find HKG at 1 Cheong Hong Rd.

      • Of the departures from Hong Kong International Airport, 73.04% land on schedule at their destination.

      • Central Hong Kong to Hong Kong International Airport is approximately 32 kilometers. Depending on traffic, it'll take you about 30 minutes to get there if you're catching a cab, ride-sharing or driving.

      • Catching public transport? You can expect a journey time of around 45 minutes.

      • Get your break off to a relaxed start by staying near HKG. Whether you're catching an early flight from Hong Kong International Airport to Ontario International Airport or want to avoid feeling rushed, these hotels are perfect:

      Arriving at Ontario International Airport (ONT)

      Getting from Ontario International Airport (ONT) to central Ontario

      • ONT is located at 2900 E. Airport Drive.

      • From Ontario International Airport, Ontario is approximately 6 kilometers away. It takes around 10 minutes to drive to the center.

      • If you're traveling by public transport, expect a journey of about 1 hour 30 minutes.

      When to fly to Ontario International Airport (ONT)

      • It's time to choose your dates for your flight from Hong Kong International Airport to Ontario International Airport. August is the most popular month to head to Ontario. If you want a more relaxed vibe, go in May.

      • Book your flight from Hong Kong International Airport to Ontario International Airport for August if you want to visit Ontario during its warmest month. Expect temperatures of between 15ºC (59ºF) and 35ºC (95ºF).

      • Look for cheap tickets from HKG to ONT in January if you'd rather travel during cooler conditions. Temperatures are at their lowest then, ranging between 4ºC (39ºF) and 23ºC (73ºF) on average.

      Explore more of United States

      • Los Angeles is just one of the many cities in United States waiting to be discovered once you've taken in the sights of Ontario. Around 56 kilometers away to the west, its top attractions include Griffith Observatory, The Broad and La Brea Tar Pits & Museum.

      • San Diego is another standout destination in United States and is around 153 kilometers south of Ontario. No journey is complete without dropping by San Diego Zoo, USS Midway Museum and SeaWorld San Diego.

      Plan the rest of your trip from Hong Kong to Ontario

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