Flight Routes from Ontario to Atlanta

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Our cheapest offers for flights from Ontario to Atlanta

Here you can compare cheap flights from Ontario (ONT) to Atlanta (ATL) for one-way or return trips. The following offers were searched for and found on idealo during the last few days. Or start your own flight search to Atlanta. Prices and availability may change at any time.

Flight schedule from Ontario (ONT) to Atlanta (ATL)

Select a travel date in the flight schedule for the route from Ontario (ONT) to Atlanta (ATL) and compare affordable flight deals.

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Matching outbound flights5 of 5
fromto
dep.arr.
durationstopovers
  1. August 9 – 15, 2026
  2. August 16 – 22, 2026
  3. August 23 – 29, 2026
    1. ONTATL
      1 stopover
      1. American Airlines
    2. ONTATL
      nonstop
      1. Delta Air Lines
    3. ONTATL
      nonstop
      1. Delta Air Lines
    4. ONTATL
      1 stopover
      1. Alaska Airlines
    5. ONTATL
      nonstop
      1. Delta Air Lines

      Tips and tricks to help you find cheap flights from Ontario to Atlanta

      Favorite airline: Frontier Airlines
      The favorite airline for flights from Ontario to Atlanta is Frontier Airlines.
      Frontier Airlines
      77 %
      United Airlines
      14 %
      Delta
      5 %
      Cheapest weekday: Monday
      On this route flights are cheapest on Monday when a ticket costs $140.00 on average.
      Direct flights are more expensive
      On this route, direct flights are $289.00 more expensive than flights with a stopover.
      non stop flight
      1 stop
      04h 07min
      13h 05min
      $474
      $185
      Favourite connection: via Denver
      The most popular route is via Denver and is booked by 58 % of all travelers.
      Route
      bookings
      1 stopover Denver International Airport, CO
      13h 05min, from $185
      58 %
      1 stopover Las Vegas - McCarran International Airport, NV
      07h 45min, from $240
      25 %
      1 stopover Houston - George Bush Intercontinental Airport, TX
      08h 32min, from $405
      10 %

      Important flight information

      Flight information: Ontario - Atlanta

      Roundtrip from $297.97
      Return flight duration min. 11:15
      Distance 3054 km
      Departure airport Airport Ontario-CA (ONT)
      Arrival airport Airport Hartsfield-Jackson Atlanta International Airport, GA (ATL)
      Destination country Flights to United States
      Departure airport - Destination country Ontario-CA - United States
      Alternative routes to United States
      Alternative flights to Atlanta
      Flight destinations with a similar price
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