Cheap flights from Atlanta to Ontario from C$ 187

In general, August is the cheapest month to fly from Atlanta to Region of Ontario. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around C$ 815. If you are unable to visit Region of Ontario during the month of August, then departing from Atlanta during the month April is also very affordable. Most momondo users find prices during this month for around C$ 817.

The cheapest day to depart from Atlanta to Region of Ontario is on a Friday. Travellers who choose to depart for Region of Ontario on a Friday will often find tickets for as low as C$ 368. The most expensive day to fly to Region of Ontario is Thursday, with ticket prices averaging around C$ 944.

Our most recent data shows that the best time of day to fly to Region of Ontario is in the afternoon. Flights from Atlanta to Region of Ontario during this time can be as low as C$ 396. If you have a flexible travel schedule, then try to avoid flying at noon when prices are C$ 631 on average. Flights to Region of Ontario from Atlanta at noon are generally more expensive because this time of day is more convenient for travellers’ schedules.

Fly from Atlanta Hartsfield-Jackson to Toronto Pearson Intl for the best Atlanta Hartsfield-Jackson - Ontario flight prices

You are more likely to see cheaper flights to Region of Ontario from Atlanta when booking weeks ahead of your departure date. In general, you can expect to find flights to Region of Ontario for around C$ 904 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Region of Ontario from Atlanta for as low as C$ 694 on momondo.

There are 3 cabin classes available to choose from on Atlanta to Region of Ontario flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

TAP AIR PORTUGAL and LATAM Airlines are the most popular carriers operating from Atlanta Hartsfield-Jackson to Ontario

Delta, United Airlines and Air Canada are the top three most popular airlines that fly to Region of Ontario from Atlanta according to our data. Delta is the first choice among our users, with 41% of people opting to fly with this airline when travelling to Region of Ontario. Keep in mind that there are 4 different airlines that fly to Region of Ontario on a routine basis, so you have a few additional options to choose from.

As of November 2026, there are 19 flights per day flying from Atlanta to Region of Ontario. The most common time of day flights depart is 3:00p.m., with 43% of flights taking off at noon.

As of November 2026, there are 136 flights per week flying from Atlanta to Region of Ontario. The most common day of the week flights depart is Tue, with 18% of flights taking off on this day.