
Most accurate provider | CheapOair 3 stars |
|---|---|
Most trusted provider | CheapOair 3 stars |
Round-trip from | $141 (Kiwi.com) |
One-way from | $59 (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
Wed 4/15
6:55 am-6:55 pm
1 stop9h 00m
Atlanta Hartsfield-Jackson
Tue 4/21
6:50 am-10:15 am
1 stop6h 25m
OntarioAtlanta
ONT - ATL
ONTATL
Ontario
Thu 4/16
6:00 am-6:10 pm
1 stop9h 10m
Atlanta Hartsfield-Jackson
Wed 4/29
6:11 pm-11:48 pm
1 stop8h 37m
OntarioAtlanta
ONT - ATL
ONTATL
Ontario
Wed 4/15
6:55 am-6:55 pm
1 stop9h 00m
Atlanta Hartsfield-Jackson
Mon 4/20
6:10 am-11:20 am
1 stop8h 10m
OntarioAtlanta
ONT - ATL
ONTATL
Ontario
Fri 6/26
10:59 pm-6:13 am
Nonstop4h 14m
Atlanta Hartsfield-Jackson
Wed 7/1
8:30 pm-10:09 pm
Nonstop4h 39m
OntarioAtlanta
ONT - ATL
ONTATL
Ontario
Wed 2/25
10:20 pm-5:28 am
Nonstop4h 08m
Atlanta Hartsfield-Jackson
Mon 3/2
7:18 pm-9:05 pm
Nonstop4h 47m
OntarioAtlanta
ONT - ATL
ONTATL
Ontario
Sun 5/17
10:59 pm-6:13 am
Nonstop4h 14m
Atlanta Hartsfield-Jackson
Sun 5/24
8:30 pm-10:09 pm
Nonstop4h 39m
OntarioAtlanta
ONT - ATL
ONTATL
Ontario
Thu 4/16
10:15 pm-5:22 am
Nonstop4h 07m
Atlanta Hartsfield-Jackson
Mon 4/27
9:46 am-11:29 am
Nonstop4h 43m
OntarioAtlanta
ONT - ATL
ONTATL
Ontario
Fri 7/3
7:00 am-2:18 pm
Nonstop4h 18m
Atlanta Hartsfield-Jackson
Sun 7/12
4:35 pm-6:01 pm
Nonstop4h 26m
OntarioAtlanta
ONT - ATL
ONTATL
Ontario
Mon 2/23
10:20 pm-5:28 am
Nonstop4h 08m
Atlanta Hartsfield-Jackson
Wed 3/4
10:10 am-12:02 pm
Nonstop4h 52m
OntarioAtlanta
ONT - ATL
ONTATL
Ontario
Wed 4/1
10:25 pm-5:28 am
Nonstop4h 03m
Atlanta Hartsfield-Jackson
Sat 4/11
9:50 am-11:40 am
Nonstop4h 50m
| 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.
Crew
Entertainment
Overall
Food
Comfort
Boarding
Reviews
William Drew,Nov 2025
SJC - HNL
Crew
Entertainment
Overall
Food
Comfort
Boarding
Reviews
William Drew,Nov 2025
SJC - HNL
Crew
Entertainment
Overall
Food
Comfort
Boarding
Reviews
William Drew,Nov 2025
SJC - HNL
Crew
Entertainment
Overall
Food
Comfort
Boarding
Reviews
William Drew,Nov 2025
SJC - HNL
Crew
Entertainment
Overall
Food
Comfort
Boarding
Reviews
William Drew,Nov 2025
SJC - HNL
Crew
Entertainment
Overall
Food
Comfort
Boarding
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$412 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$286 | Average$542 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$319 | Average$523 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$326 | Average$416 | FlexibilityNo cancel fee | On-time63% |