
Most accurate provider | CheapOair 3 stars |
|---|---|
Most trusted provider | CheapOair 3 stars |
Round-trip from | $133 (Kiwi.com) |
One-way from | $61 (Trip.com) |
Popular in | December |
Cheapest in | April |
Average price | $406 |
Good round-trip deal | $386 or less |
Good one-way deal | $233 or less |
Fly from
Fly to
Route
Depart
Return
Price
OntarioAtlanta
ONT - ATL
ONTATL
Ontario
Sat 3/7
6:39 pm-8:20 am
1 stop10h 41m
Atlanta Hartsfield-Jackson
Tue 3/10
6:00 am-3:05 pm
1 stop12h 05m
OntarioAtlanta
ONT - ATL
ONTATL
Ontario
Mon 2/2
6:20 am-6:54 pm
1 stop9h 34m
Atlanta Hartsfield-Jackson
Fri 2/27
3:00 pm-8:48 pm
1 stop8h 48m
OntarioAtlanta
ONT - ATL
ONTATL
Ontario
Wed 1/28
3:07 pm-7:03 am
1 stop12h 56m
Atlanta Hartsfield-Jackson
Fri 1/30
8:04 pm-12:20 am
1 stop7h 16m
OntarioAtlanta
ONT - ATL
ONTATL
Ontario
Thu 2/19
3:24 pm-6:52 am
1 stop12h 28m
Atlanta Hartsfield-Jackson
Sun 2/22
6:34 am-2:29 pm
1 stop10h 55m
OntarioAtlanta
ONT - ATL
ONTATL
Ontario
Mon 4/6
6:00 am-6:13 am
1 stop21h 13m
Atlanta Hartsfield-Jackson
Sun 4/12
7:59 pm-4:58 pm
1 stop23h 59m
OntarioAtlanta
ONT - ATL
ONTATL
Ontario
Thu 3/26
8:07 am-7:03 am
1 stop19h 56m
Atlanta Hartsfield-Jackson
Mon 3/30
10:30 am-3:37 pm
1 stop8h 07m
OntarioAtlanta
ONT - ATL
ONTATL
Ontario
Sat 2/14
2:06 pm-5:04 am
1 stop11h 58m
Atlanta Hartsfield-Jackson
Mon 2/16
8:30 pm-1:11 pm
1 stop19h 41m
OntarioAtlanta
ONT - ATL
ONTATL
Ontario
Thu 2/12
6:05 am-7:18 pm
1 stop10h 13m
Atlanta Hartsfield-Jackson
Mon 2/16
8:30 pm-1:11 pm
1 stop19h 41m
OntarioAtlanta
ONT - ATL
ONTATL
Ontario
Wed 4/1
6:00 am-7:47 pm
1 stop10h 47m
Atlanta Hartsfield-Jackson
Sun 4/5
6:00 am-3:46 pm
1 stop12h 46m
OntarioAtlanta
ONT - ATL
ONTATL
Ontario
Tue 4/7
6:15 am-7:47 pm
2 stops10h 32m
Atlanta Hartsfield-Jackson
Sun 4/12
7:59 pm-4:58 pm
1 stop23h 59m
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy2 stars | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*1 star | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy- | Trust Score*1 star | |
| Price Accuracy3 stars | Trust Score*2 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy1 star | Trust Score*3 stars |
Booking 56 days in advance of your planned departure date is, on average, the best time to get cheap flights from Ontario to Atlanta. The general trend is that the closer you book to the departure date, the more expensive your flight will be.
Currently, February is the cheapest month in which you can book a flight from Ontario to Atlanta (average of $78). Flying from Ontario to Atlanta in July is currently the most expensive (average of $144). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.
When flying from Ontario to Atlanta, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.
Denver (DEN) – chosen by Cheapflights users on 83% of 1-stop itineraries from Ontario to Atlanta on Cheapflights.
Las Vegas (LAS) is the most affordable 1-stop option, with an average round-trip price of $187.
Flights via Las Vegas (LAS) have the shortest average one-way travel time for 1-stop routes: 7h 37m.
Flights via Las Vegas (LAS) offer the fastest connection on this route, with an average layover time of 2h 41m.
Food
Comfort
Boarding
Crew
Overall
Entertainment
Reviews
William Drew,Nov 2025
SJC - HNL
Food
Comfort
Boarding
Crew
Overall
Entertainment
Reviews
William Drew,Nov 2025
SJC - HNL
Food
Comfort
Boarding
Crew
Overall
Entertainment
Reviews
William Drew,Nov 2025
SJC - HNL
Food
Comfort
Boarding
Crew
Overall
Entertainment
Reviews
William Drew,Nov 2025
SJC - HNL
Food
Comfort
Boarding
Crew
Overall
Entertainment
Reviews
William Drew,Nov 2025
SJC - HNL
Food
Comfort
Boarding
Crew
Overall
Entertainment
Reviews
William Drew,Nov 2025
SJC - HNL
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$67 | Average$165 | FlexibilityNo cancel fee | On-time65% | |
| Cheapest$147 | Average$244 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$190 | Average$413 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$286 | Average$542 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$318 | Average$525 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$328 | Average$416 | FlexibilityNo cancel fee | On-time63% |