Flight Routes from Ontario to Atlanta

Trip type

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
06/25/26
1 Stopover (IAH)
F93132, F92400
07h 10min
Return
06/30/26
1 Stopover (LAS)
F94891, F91357
07h 48min
Frontier Airlines
$516
Ontario
Atlanta
Please note: transfer for connecting flight
Outbound
06/25/26
1 Stopover (IAH)
F93132, F92400
07h 10min
Return
06/30/26
1 Stopover (LAS)
F94891, F91357
07h 48min
Frontier Airlines
$592
Ontario
Atlanta
Outbound
06/25/26
1 Stopover (DEN)
UA2446, UA2424
07h 10min
Return
06/30/26
1 Stopover (DEN)
UA0235, UA2028
07h 20min
United Airlines
$549
Ontario
Atlanta
Outbound
06/25/26
1 Stopover (IAH)
F93132, F94076
27h 15min
Return
06/30/26
1 Stopover (DFW)
F93021, F94689
07h 15min
Frontier Airlines ?
$555
Ontario
Atlanta
Outbound
06/25/26
1 Stopover (DEN)
UA2446, UA2424
07h 10min
Return
06/30/26
1 Stopover (ORD)
UA0516, UA0658
10h 21min
United Airlines ?
$556
Ontario
Atlanta
Outbound
06/25/26
1 Stopover (IAH)
F93132, F92400
07h 10min
Return
06/30/26
1 Stopover (DFW)
F93021, F94689
07h 15min
Frontier Airlines ?
$711
Ontario
Atlanta
Outbound
06/25/26
1 Stopover (PHX)
AA2244, AA2391
06h 44min
Return
06/30/26
1 Stopover (PHX)
AA3012, AA1238
06h 43min
American Airlines ?
$773
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 $515.97
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
Alternative routes to United States
Alternative flights to Atlanta
Flight destinations with a similar price