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Cheap Flights from Richmond (RIC) to Ontario (ONT)

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      Travellers and cabin class, 1 Adult, Economy

      Compare Richmond 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 Richmond to Ontario International

      Looking for a cheap last-minute deal or the best return flight from Richmond Airport to Ontario International Airport? If you want to travel next month, return fares start from $377. Find the lowest prices on one-way and return tickets right here.
      Ontario.$377 per passenger.Departing Sat, 26 Sep, returning Mon, 28 Sep.Return flight with Southwest Airlines.Outbound indirect flight with Southwest Airlines, departs from Richmond on Sat, 26 Sep, arriving in Ontario International.Inbound indirect flight with Southwest Airlines, departs from Ontario International on Mon, 28 Sep, arriving in Richmond.Price includes taxes and charges.From $377, select.
      Ontario.$379 per passenger.Departing Fri, 30 Oct, returning Mon, 2 Nov.Return flight with Southwest Airlines.Outbound indirect flight with Southwest Airlines, departs from Richmond on Fri, 30 Oct, arriving in Ontario International.Inbound indirect flight with Southwest Airlines, departs from Ontario International on Mon, 2 Nov, arriving in Richmond.Price includes taxes and charges.From $379, select.
      Ontario.$420 per passenger.Departing Wed, 2 Dec, returning Thu, 3 Dec.Return flight with Southwest Airlines.Outbound indirect flight with Southwest Airlines, departs from Richmond on Wed, 2 Dec, arriving in Ontario International.Inbound indirect flight with Southwest Airlines, departs from Ontario International on Thu, 3 Dec, arriving in Richmond.Price includes taxes and charges.From $420, select.
      Ontario.$443 per passenger.Departing Tue, 3 Nov, returning Fri, 6 Nov.Return flight with Southwest Airlines.Outbound indirect flight with Southwest Airlines, departs from Richmond on Tue, 3 Nov, arriving in Ontario International.Inbound indirect flight with Southwest Airlines, departs from Ontario International on Fri, 6 Nov, arriving in Richmond.Price includes taxes and charges.From $443, select.
      Ontario.$464 per passenger.Departing Tue, 27 Oct, returning Fri, 30 Oct.Return flight with Southwest Airlines.Outbound indirect flight with Southwest Airlines, departs from Richmond on Tue, 27 Oct, arriving in Ontario International.Inbound indirect flight with Southwest Airlines, departs from Ontario International on Fri, 30 Oct, arriving in Richmond.Price includes taxes and charges.From $464, select.
      Ontario.$487 per passenger.Departing Tue, 5 Jan, returning Sat, 9 Jan.Return flight with Southwest Airlines.Outbound indirect flight with Southwest Airlines, departs from Richmond on Tue, 5 Jan, arriving in Ontario International.Inbound indirect flight with Southwest Airlines, departs from Ontario International on Sat, 9 Jan, arriving in Richmond.Price includes taxes and charges.From $487, select.
      Ontario.$565 per passenger.Departing Fri, 25 Dec, returning Mon, 4 Jan.Return flight with Southwest Airlines.Outbound indirect flight with Southwest Airlines, departs from Richmond on Fri, 25 Dec, arriving in Ontario International.Inbound indirect flight with Southwest Airlines, departs from Ontario International on Mon, 4 Jan, arriving in Richmond.Price includes taxes and charges.From $565, select.
      Ontario.$575 per passenger.Departing Thu, 27 Aug, returning Thu, 10 Sep.Return flight with Southwest Airlines.Outbound indirect flight with Southwest Airlines, departs from Richmond on Thu, 27 Aug, arriving in Ontario International.Inbound indirect flight with Southwest Airlines, departs from Ontario International on Thu, 10 Sep, arriving in Richmond.Price includes taxes and charges.From $575, select.
      Ontario.$590 per passenger.Departing Wed, 24 Feb, returning Sat, 27 Feb.Return flight with Southwest Airlines.Outbound indirect flight with Southwest Airlines, departs from Richmond on Wed, 24 Feb, arriving in Ontario International.Inbound indirect flight with Southwest Airlines, departs from Ontario International on Sat, 27 Feb, arriving in Richmond.Price includes taxes and charges.From $590, select.
      Ontario.$597 per passenger.Departing Mon, 28 Sep, returning Sat, 3 Oct.Return flight with Southwest Airlines.Outbound indirect flight with Southwest Airlines, departs from Richmond on Mon, 28 Sep, arriving in Ontario International.Inbound indirect flight with Southwest Airlines, departs from Ontario International on Sat, 3 Oct, arriving in Richmond.Price includes taxes and charges.From $597, select.
      Ontario.$664 per passenger.Departing Wed, 3 Mar, returning Fri, 5 Mar.Return flight with Southwest Airlines.Outbound indirect flight with Southwest Airlines, departs from Richmond on Wed, 3 Mar, arriving in Ontario International.Inbound indirect flight with Southwest Airlines, departs from Ontario International on Fri, 5 Mar, arriving in Richmond.Price includes taxes and charges.From $664, select.
      Ontario.$669 per passenger.Departing Fri, 28 Aug, returning Mon, 31 Aug.Return flight with Southwest Airlines.Outbound indirect flight with Southwest Airlines, departs from Richmond on Fri, 28 Aug, arriving in Ontario International.Inbound indirect flight with Southwest Airlines, departs from Ontario International on Mon, 31 Aug, arriving in Richmond.Price includes taxes and charges.From $669, select.
      Ontario.$713 per passenger.Departing Sun, 30 Aug, returning Sat, 17 Oct.Return flight with Southwest Airlines.Outbound indirect flight with Southwest Airlines, departs from Richmond on Sun, 30 Aug, arriving in Ontario International.Inbound indirect flight with Southwest Airlines, departs from Ontario International on Sat, 17 Oct, arriving in Richmond.Price includes taxes and charges.From $713, select.
      Ontario.$740 per passenger.Departing Sat, 27 Mar, returning Fri, 2 Apr.Return flight with Southwest Airlines.Outbound indirect flight with Southwest Airlines, departs from Richmond on Sat, 27 Mar, arriving in Ontario International.Inbound indirect flight with Southwest Airlines, departs from Ontario International on Fri, 2 Apr, arriving in Richmond.Price includes taxes and charges.From $740, select.
      Ontario.$795 per passenger.Departing Sun, 29 Nov, returning Thu, 3 Dec.Return flight with Southwest Airlines.Outbound indirect flight with Southwest Airlines, departs from Richmond on Sun, 29 Nov, arriving in Ontario International.Inbound indirect flight with Southwest Airlines, departs from Ontario International on Thu, 3 Dec, arriving in Richmond.Price includes taxes and charges.From $795, select.

      Find the cheapest month to fly from Richmond to Ontario International

      We’re always keeping an eye on fares, so you can find the best one in seconds. It looks like Richmond to Ontario International flights are currently cheapest in September.
      Aug
      from $669
      Sep
      from $377
      Oct
      from $464
      Nov
      from $443
      Dec
      from $420
      Jan
      from $487
      Feb
      from $590
      Mar
      from $664
      Apr
      Find prices
      May
      Find prices
      Jun
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      Jul
      Find prices

      Richmond to Ontario International: Alternative routes

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

      Ontario International

      4km from central Ontario
      Closest
      from $377
      Search flights

      San Bernardino Norton AFB

      39km from central Ontario
      Search flights

      Santa Ana John Wayne

      48km from central Ontario
      from $420
      Search flights

      Long Beach Municipal

      54km from central Ontario
      from $530
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      Hawthorne

      65km from central Ontario
      Search flights

      Burbank

      67km from central Ontario
      from $377
      Search flights

      Los Angeles International

      71km from central Ontario
      Cheapest
      from $322
      Search flights

      Richmond to Ontario: Flight information

      The things to know before you go.
      Cheapest flight found$377
      Cheapest month to flySeptember

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

      The best price we found for a return flight from Richmond to Ontario International is $377. 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 Richmond to Ontario International. But we found flights with one or more stops from $377.
      As of August 2026, there are no flights flying from Richmond to Ontario International.
      The cheapest month to fly from Richmond to Ontario International is usually September.
      After crunching the numbers on our flight calendar, we found that it's currently cheapest to fly from Richmond Airport to Ontario International Airport on Saturday, 26 September 2026.
      No airlines currently offer direct flights between Richmond 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, Southwest Airlines offers the cheapest flight tickets to Ontario International.

      Flying from Richmond Airport (RIC) to Ontario International Airport (ONT): what you need to know

      • Ontario is three hours behind Richmond and is in the UTC-8 timezone.

      • Arriving two hours before an international flight and one hour ahead of a domestic departure are golden rules for stress-free travel. Be at the airport on time to catch your RIC to ONT flight.

      • Travelling during a peak month such as July? Public holidays and other high seasons can result in longer queues at airport checkpoints. Be extra cautious and arrive up to four hours before international flights and two hours before domestic departures.

      • If you want to include a stop along the way, just deselect 'Direct flights only' when searching for your ticket from Richmond Airport to Ontario International Airport. Here are the most popular stopovers between RIC and ONT:

        • Atlanta Hartsfield-Jackson Airport

        • Denver International Airport

        • Houston George Bush Intercntl. Airport

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

      • $183 is the best price for a one-way Richmond Airport to Ontario International Airport flight. A return flight starts at $377. These fares may change based on availability.

      • It's a good idea to book in advance if you want to get cheap tickets from RIC to ONT. That's because flight prices are based on demand, which tends to rise closer to departure.

      • Getting cheap flights from Richmond Airport to Ontario International Airport is easier if you can be flexible with your travel plans. Use the 'Whole month' tool to see the lowest fares throughout the month and snap up a great deal.

      • There's no need to check back in every day to see if fares have dropped when you create a Price Alert. We'll notify you the moment there's a better deal on cheap flights from RIC to ONT.

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

      Handy information about Richmond Airport (RIC)

      • RIC's address is 1 Richard E. Byrd Terminal Drive.

      • 74% of flights departing from Richmond Airport reach their destination on schedule.

      • Richmond Airport is around 14 kilometres from central Richmond. If you're ride-sharing, catching a taxi or driving from the centre, it'll take 20 minutes or so to arrive, depending on the traffic.

      • Planning to catch public transport? Expect a trip time of around 50 minutes.

      • Get your holiday off to a hassle-free start by staying near RIC. Whether you're catching an early flight from Richmond Airport to Ontario International Airport or just don't like being rushed, these stays are ideal:

      Arriving at Ontario International Airport (ONT)

      Getting from Ontario International Airport (ONT) to central Ontario

      • The address for ONT is 2900 E. Airport Drive.

      • From Ontario International Airport, Ontario is approximately 10 kilometres away. It takes around 15 minutes to drive to the centre.

      • When travelling by public transport, expect a journey time of roughly 45 minutes.

      When to fly to Ontario International Airport (ONT)

      • July is the most popular month for flights from Richmond Airport to Ontario International Airport. For smaller crowds, visit Ontario in March.

      • The warmest month in Ontario is August, with the temperature ranging between 16ºC (61ºF) and 36ºC (97ºF). Book your flights from Richmond Airport to Ontario International Airport in this month if this is the kind of weather you like.

      • For cooler conditions, look for a cheap ticket from RIC to ONT in February. Temperatures average between 4ºC (39ºF) and 24ºC (75ºF) then.

      Explore more of the United States

      • You've visited Ontario, now it's time to discover other parts of the United States. Travel around 56 kilometres west to Los Angeles to check off its top attractions. From Hollywood Sign to Universal Studios Hollywood and Hollywood Bowl, you'll have a full itinerary ahead.

      • San Diego is another favourite destination in the United States and is around 153 kilometres south of Ontario. No trip is complete without experiencing San Diego Zoo, San Diego Balboa Park and USS Midway Museum.

      Plan smart, explore more

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      Plan the rest of your trip from Richmond to Ontario

      Prices shown on this page are estimated lowest prices only. Found in the last 12 days.