Flights from Ontario to Atlanta

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.

Outbound Return Airlines Shop Baggage Price
Best option
Ontario
Atlanta
Outbound
04/29/25
1 Stopover (DEN)
F91262, F93294
14h 11min
Return
05/08/25
1 Stopover (DEN)
F93293, F91261
07h 04min
Frontier Airlines ?
$185
Ontario
Atlanta
Outbound
04/29/25
1 Stopover (DEN)
F91500, F93294
25h 22min
Return
05/08/25
1 Stopover (DEN)
F91449, F91499
29h 42min
Frontier Airlines
$187
Ontario
Atlanta
Outbound
04/29/25
1 Stopover (LAS)
F92232, F91116
16h 12min
Return
05/08/25
1 Stopover (DEN)
F93293, F91261
07h 04min
Frontier Airlines ?
$191
Ontario
Atlanta
Outbound
04/29/25
1 Stopover (DEN)
F91500, F93294
25h 22min
Return
05/08/25
1 Stopover (DEN)
F91449, F91499
29h 42min
Frontier Airlines
$199
Ontario
Atlanta
Outbound
09/19/25
1 Stopover (SEA)
AS1087, AS0464
09h 36min
Return
09/29/25
1 Stopover (PDX)
AS0783, AS1066
08h 47min
Alaska Airlines ?
$317
Ontario
Atlanta
Outbound
09/19/25
1 Stopover (SEA)
HA6289, HA6601
09h 20min
Return
09/29/25
1 Stopover (PDX)
HA4725, HA6371
08h 47min
Hawaiian Airlines ?
$345
Ontario
Atlanta
Outbound
09/19/25
1 Stopover (SEA)
AS1087, AS0464
09h 36min
Return
09/29/25
1 Stopover (SEA)
AS0533, AS1086
11h 23min
Alaska Airlines ?
$354
Ontario
Atlanta
Outbound
04/29/25
1 Stopover (DFW)
AA2635, AA2749
06h 14min
Return
05/08/25
1 Stopover (DEN)
F93293, F91261
07h 04min
American Airlines ?
$362
Ontario
Atlanta
Outbound
09/19/25
1 Stopover (SFO)
UA0393, UA2620
09h 01min
Return
09/29/25
1 Stopover (SFO)
UA0504, UA0448
07h 55min
United Airlines ?
$382
Ontario
Atlanta
Outbound
07/25/25
1 Stopover (IAH)
UA0397, UA0462
08h 56min
Return
08/17/25
1 Stopover (IAH)
UA6059, UA1563
08h 40min
United Airlines ?
$468
Prices based on recent searches, subject to last-minute changes
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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 $184.76
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
Alternative routes to United States
Alternative flights to Atlanta
Flight destinations with a similar price