Flight Routes from Ontario to Atlanta

Compare cheap outbound and return flights from Ontario (ONT) to Atlanta (ATL) and find the best offer from numerous airlines and travel agencies.

Trip type
Fastest outbound flight
Fastest inbound flight
Flight distance
3,054 km
Time difference

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.

offers
Active filtersnone
Matching outbound flights6 of 6
fromto
dep.arr.
durationstopovers
  1. September 6 – 12, 2026
  2. September 13 – 19, 2026
  3. September 20 – 26, 2026
    No flights could be found for the active filters.
    1. ONTATL
      nonstop
      1. Delta Air Lines
    2. ONTATL
      nonstop
      1. Delta Air Lines
    3. ONTATL
      nonstop
      1. Delta Air Lines
    4. ONTATL
      nonstop
      1. Delta Air Lines
    5. ONTATL
      nonstop
      1. Delta Air Lines
    6. 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

      Discover more flights around Ontario and Atlanta

      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