January is by far the best month, wherein you can get cheapest flights for Ontario to Atlanta. Meanwhile, is perceived as the expensive month due to the varying factors. That’s why it’s highly advised to make advanced online flight booking to save huge amounts of money.
Disclaimer - All the above-mentioned fares were found within last 48 hrs. The displayed fares are based on historical data and are subject to change. The fares cannot be guaranteed at the time of booking.

Ontario
16:03
Ontario
Ontario International Airport
Sun , 01 Feb 2026

Atlanta
06:22
Atlanta
Hartsfield Jackson Atlanta International Airport
Mon, 02 Feb 2026

Ontario
16:03
Ontario
Ontario International Airport
Thu , 22 Jan 2026

Atlanta
06:22
Atlanta
Hartsfield Jackson Atlanta International Airport
Fri, 23 Jan 2026

Ontario
05:50
Ontario
Ontario International Airport
Sat , 24 Jan 2026

Atlanta
14:15
Atlanta
Hartsfield Jackson Atlanta International Airport
Sat, 24 Jan 2026

Ontario
05:50
Ontario
Ontario International Airport
Sat , 31 Jan 2026

Atlanta
14:15
Atlanta
Hartsfield Jackson Atlanta International Airport
Sat, 31 Jan 2026

Ontario
16:03
Ontario
Ontario International Airport
Thu , 22 Jan 2026

Atlanta
06:22
Atlanta
Hartsfield Jackson Atlanta International Airport
Fri, 23 Jan 2026

Ontario
16:03
Ontario
Ontario International Airport
Fri , 30 Jan 2026

Atlanta
06:22
Atlanta
Hartsfield Jackson Atlanta International Airport
Sat, 31 Jan 2026

Ontario
06:00
Ontario
Ontario International Airport
Mon , 19 Jan 2026

Atlanta
14:54
Atlanta
Hartsfield Jackson Atlanta International Airport
Mon, 19 Jan 2026

Ontario
16:03
Ontario
Ontario International Airport
Thu , 29 Jan 2026

Atlanta
06:22
Atlanta
Hartsfield Jackson Atlanta International Airport
Fri, 30 Jan 2026

Ontario
13:24
Ontario
Ontario International Airport
Wed , 21 Jan 2026

Atlanta
22:35
Atlanta
Hartsfield Jackson Atlanta International Airport
Wed, 21 Jan 2026

Ontario
16:03
Ontario
Ontario International Airport
Thu , 29 Jan 2026

Atlanta
06:22
Atlanta
Hartsfield Jackson Atlanta International Airport
Fri, 30 Jan 2026

Ontario
13:24
Ontario
Ontario International Airport
Tue , 20 Jan 2026

Atlanta
22:35
Atlanta
Hartsfield Jackson Atlanta International Airport
Tue, 20 Jan 2026










Flying from Ontario to Atlanta has never been easier. Whether you’re planning a short business trip, a weekend getaway, or reconnecting with family and friends, Easemytrip brings you the best deals, seamless booking, and flexible options for this popular flight route. Our platform is built to help travellers like you compare flight prices, explore direct and connecting options, and find the perfect departure time — all within a few clicks.
The air route between Ontario to Atlanta is one of the most frequently travelled, offering reliable services from top airlines and excellent connectivity between Ontario International Airport (ONT) and Hartsfield Jackson Atlanta International Airport (ATL). You can expect a flight distance of approximately 3050 km, and most direct services cover it in around 11:49.
Let’s take a closer look at everything you need to know before booking your flight from Ontario to Atlanta.
| Flight Details | Information |
|---|---|
| Route Distance | 3050 km |
| Average Flight Time | 11:49 hrs |
| Departure Airport | Ontario International Airport (ONT) |
| Arrival Airport | Hartsfield Jackson Atlanta International Airport (ATL) |
| Cabin Classes Available | Economy Class, Premium Economy, Business Class, First Class |
| Direct Flights | NO |
| Common Airlines | Hawaiian Airlines, Southwest, Alaska Airlines, United Airlines |
The route is serviced regularly by both full-service and budget airlines, catering to all types of travellers — from those looking for no-frills budget options to those preferring business and first-class comfort. If you're flying for business, early morning weekday flights are a great choice, while leisure travellers often opt for weekend and evening departures.