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$176+ Cheap flights from Ontario to Atlanta (ATL)

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 9/5. Fares are subject to change and may not be available on all flights or dates of travel.
YYZ — ATL
Sep 8 — Sep 151
Tue 9/8
Tue 9/15
1 adult, Economy
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Cheap flight deals from Ontario to Atlanta

Cheapest flights from Ontario to Atlanta
Explore the most affordable flight options available from Ontario to Atlanta. Find the lowest fares from popular airlines and budget airlines, with prices last updated on August 9, 2026.

This Kiwi.com deal was found by Cheapflights users on 8/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/311:40 pm -
1 stop7h 09m
Fri 9/49:44 pm -
1 stop20h 11m
Deal found 8/3$286
This Kiwi.com deal was found by Cheapflights users on 8/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/191:30 pm -
1 stop8h 02m
Fri 10/237:30 am -
1 stop13h 25m
Deal found 8/5$287
This Kiwi.com deal was found by Cheapflights users on 8/4. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/69:50 am -
1 stop9h 23m
Tue 10/138:30 pm -
1 stop18h 00m
Deal found 8/4$288
This Kiwi.com deal was found by Cheapflights users on 8/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/67:30 am -
1 stop14h 04m
Thu 9/107:20 am -
1 stop13h 35m
Deal found 8/5$289
This Kiwi.com deal was found by Cheapflights users on 8/4. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/99:15 am -
1 stop14h 16m
Wed 9/237:58 pm -
1 stop16h 57m
Deal found 8/4$290
This Kiwi.com deal was found by Cheapflights users on 8/4. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/169:30 am -
1 stop14h 29m
Wed 9/236:30 am -
1 stop10h 10m
Deal found 8/4$290
This Kiwi.com deal was found by Cheapflights users on 8/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/52:15 pm -
1 stop8h 35m
Fri 9/1110:24 pm -
1 stop14h 31m
Deal found 8/5$292
This Kiwi.com deal was found by Cheapflights users on 8/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/1611:15 am -
1 stop10h 17m
Tue 11/173:41 pm -
1 stop8h 29m
Deal found 8/5$292
This Kiwi.com deal was found by Cheapflights users on 8/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/21:40 pm -
1 stop9h 10m
Wed 9/910:24 pm -
1 stop14h 31m
Deal found 8/3$293
This Kiwi.com deal was found by Cheapflights users on 8/4. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/62:15 pm -
1 stop8h 35m
Tue 9/87:58 pm -
1 stop16h 57m
Deal found 8/4$295
This Kiwi.com deal was found by Cheapflights users on 8/4. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/126:30 am -
1 stop12h 15m
Sat 10/2410:05 am -
1 stop11h 14m
Deal found 8/4$295
This Kiwi.com deal was found by Cheapflights users on 8/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/111:40 pm -
1 stop9h 25m
Sun 9/1310:25 pm -
2 stops20h 30m
Deal found 8/5$296

Find flight deals from Ontario to Atlanta

Keep the following information in mind while searching for Ontario to Atlanta flight deals. Data was last updated August 9, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$286
(Kiwi.com)

One-way from

$176
(Kiwi.com)

Popular in

March

Cheapest in

October

Average price

$597

Good round-trip deal

$378 or less

Good one-way deal

$249 or less
Provider with most accurate pricing for Toronto (YTO)-Atlanta Hartsfield-Jackson flight deals.
Search Deals
Provider most trusted by Cheapflights users for Toronto (YTO)-Atlanta Hartsfield-Jackson flights.
Search Deals
From Ontario to Atlanta Hartsfield-Jackson
Search Deals
One-way flight from Ontario to Atlanta Hartsfield-Jackson
Search Deals
Highest demand for flights based on searches. 5% potential increase in price ($29 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 1% potential price decrease ($7 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in August 2026
Search Deals
Price to beat on a round-trip flight from Ontario to Atlanta Hartsfield-Jackson.
Search Deals
Price to beat on a one-way flight from Ontario to Atlanta Hartsfield-Jackson.
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Ontario to Atlanta that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated August 9, 2026.
Use the filters below to find and compare flights from Ontario to Atlanta that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

TorontoAtlanta

YTZ Toronto Island - ATL Atlanta Hartsfield-Jackson

YTZATL

Toronto Island

Thu 9/24

1:40 pm-11:05 pm

1 stop9h 25m

Atlanta Hartsfield-Jackson

Sun 9/27

10:25 pm-6:55 pm

2 stops20h 30m

$298

TorontoAtlanta

YTZ Toronto Island - ATL Atlanta Hartsfield-Jackson

YTZATL

Toronto Island

Mon 8/24

1:40 pm-10:50 pm

1 stop9h 10m

Atlanta Hartsfield-Jackson

Mon 8/31

5:01 am-12:55 pm

2 stops7h 54m

$327

TorontoAtlanta

YTZ Toronto Island - ATL Atlanta Hartsfield-Jackson

YTZATL

Toronto Island

Fri 10/2

1:40 pm-11:05 pm

1 stop9h 25m

Atlanta Hartsfield-Jackson

Mon 10/5

5:30 am-5:20 pm

2 stops11h 50m

$332

TorontoAtlanta

YTZ Toronto Island - ATL Atlanta Hartsfield-Jackson

YTZATL

Toronto Island

Thu 9/10

8:30 am-2:10 pm

1 stop5h 40m

Atlanta Hartsfield-Jackson

Sun 9/13

7:30 am-5:20 pm

1 stop9h 50m

$360

TorontoAtlanta

YTZ Toronto Island - ATL Atlanta Hartsfield-Jackson

YTZATL

Toronto Island

Wed 9/2

1:40 pm-10:50 pm

1 stop9h 10m

Atlanta Hartsfield-Jackson

Wed 9/9

9:20 am-6:55 pm

2 stops9h 35m

$374

TorontoAtlanta

YTZ Toronto Island - ATL Atlanta Hartsfield-Jackson

YTZATL

Toronto Island

Sun 9/6

2:15 pm-11:44 pm

1 stop9h 29m

Atlanta Hartsfield-Jackson

Tue 9/8

5:01 am-4:00 pm

2 stops10h 59m

$383

TorontoAtlanta

YTZ Toronto Island - ATL Atlanta Hartsfield-Jackson

YTZATL

Toronto Island

Wed 9/16

8:30 am-2:10 pm

1 stop5h 40m

Atlanta Hartsfield-Jackson

Wed 9/23

8:11 am-8:15 pm

2 stops12h 04m

$420

OttawaAtlanta

YOW Ottawa - ATL Atlanta Hartsfield-Jackson

YOWATL

Ottawa

Sat 9/5

7:00 am-5:12 pm

1 stop10h 12m

Atlanta Hartsfield-Jackson

Sun 9/6

9:05 am-5:04 pm

1 stop7h 59m

$429

OttawaAtlanta

YOW Ottawa - ATL Atlanta Hartsfield-Jackson

YOWATL

Ottawa

Thu 8/27

9:05 am-12:27 am

1 stop15h 22m

Atlanta Hartsfield-Jackson

Wed 9/2

9:25 am-12:20 pm

1 stop26h 55m

$431

OttawaAtlanta

YOW Ottawa - ATL Atlanta Hartsfield-Jackson

YOWATL

Ottawa

Thu 9/17

12:25 pm-6:45 am

2 stops18h 20m

Atlanta Hartsfield-Jackson

Tue 9/22

8:15 am-5:35 am

2 stops21h 20m

$452

Flights are sorted by cheapest round-trip flights first.

Deals found on 8/5

Showing 1-10 of 60 resultsSorted by cheapest first
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Best time to book a flight from Ontario to Atlanta

Have a flexible travel schedule? Discover the best time to fly to Atlanta from Ontario with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Ontario to Atlanta

What is the cheapest month to book a flight from Region of Ontario to Atlanta?

Currently, October is the cheapest month in which you can book a flight from Region of Ontario to Atlanta (average of $502). Flying from Region of Ontario to Atlanta in December is currently the most expensive (average of $582). 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.

What is the cheapest time of day to fly from ON to ATL?

Find hourly flight availability from Ontario to Atlanta. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated August 9, 2026.

A simple way to save on the total cost of your ticket is to fly from Region of Ontario to Atlanta at noon. If you’re flexible enough to do this you can expect to save up to 13% on your trip compared to booking a flight in the evening.

Weekly flight availability from Region of Ontario to Atlanta

Explore weekly flight availability from Ontario to Atlanta. Discover flights operating on different days of the week, giving you the flexibility to choose a travel day that best fits your plans. Compare info to find the most convenient option for your journey. Data last updated August 9, 2026.

The most flights from CAON to ATL are scheduled on a Tuesday (29 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (23 on average).

How much does it cost to fly round-trip from Region of Ontario to Atlanta?

Airfare is below average for this route at the moment.
Region of Ontario to Atlanta flights typically cost between $507 and $696 in October.
The cheapest round-trip price found within the last 5 days was $287 on Multiple Airlines (Oct 19-Oct 23).

How far ahead should I book a flight from Region of Ontario to Atlanta?

The price you pay for your flight from Region of Ontario to Atlanta may vary depending on when you book. For the best chance of a lower fare, look to book 74 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.

What is the cheapest day to fly from Region of Ontario to Atlanta?

Use this chart to determine the cheapest time to fly round-trip from Ontario to Atlanta. Price data was last updated on August 1, 2026.

Travelers seeking maximum savings on their Region of Ontario to Atlanta flight should consider departing on Saturday at noon when fares are most often at their lowest. Sunday at noon flights should be avoided if possible as fares are typically the most expensive at this time.

Related info for your journey

Find useful and relevant information for your journey from Ontario to Atlanta. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly into for flights to Atlanta from Ontario?

    If you book a flight to Atlanta from Ontario, you will be flying to Hartsfield-Jackson, which is the city’s only airport. Atlanta Hartsfield-Jackson (ATL) is located 8.2 mi from the center of Atlanta.

  • How long is the flight from Region of Ontario to Atlanta?

    For as low as $462, WestJet can have you in Atlanta from Region of Ontario in 3h 01m. The distance from Region of Ontario to Atlanta is about 992 mi. Both multi-stop and nonstop flights can be found to your destination and back.

  • What are the cheapest airlines to fly from Region of Ontario to Atlanta one-way?

    The cheapest airline one-way is United Airlines, with whom users have recently found tickets for as low as $176. However, be on the lookout for offers from Air Canada and American Airlines, as they are both options that can get you from Region of Ontario to Atlanta for a low price.

  • What are the most popular routes from Region of Ontario to Atlanta?

    The most popular flight routes from Region of Ontario to Atlanta are Toronto Pearson Intl - Atlanta Hartsfield-Jackson, Montreal Pierre Elliott Trudeau Intl - Atlanta Hartsfield-Jackson and Toronto Island - Atlanta Hartsfield-Jackson.

  • What are the most reliable airlines from Region of Ontario to Atlanta?

    Before booking your flight to Atlanta from Region of Ontario, check out the most reliable airlines to get you to your destination on time: KLM (93%), LATAM Airlines (91%), Aeromexico( 90%).

  • What are the cheapest flights from Region of Ontario to Atlanta?

    The cheapest flight price from Region of Ontario to Atlanta is $185. On average you can expect to pay $1,044. The most popular route, (Toronto Pearson Intl - Atlanta Hartsfield-Jackson), can usually be booked for $247.

  • Can I find deals for flights from Ontario to Atlanta that include hotel bookings?

    Yes. In addition to deals on Ontario to Atlanta flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Ontario to Atlanta?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Ontario to Atlanta.

  • Can I find deals for business class flights from Ontario to Atlanta?

    Yes. Cheapflights offers flight deals from Ontario to Atlanta by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Region of Ontario to Atlanta?

    Currently, October is the cheapest month in which you can book a flight from Region of Ontario to Atlanta (average of $502). Flying from Region of Ontario to Atlanta in December is currently the most expensive (average of $582). 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.

See more FAQs

Traveling to a place near Atlanta?

Book flights to Atlanta if you plan to visit one of these locations
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Top 4 airlines flying from Ontario to Atlanta

Discover the top 4 airlines that operate flights from Ontario to Atlanta. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated August 9, 2026.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$291Average$627FlexibilityNo cancel feeOn-time69%
Air CanadaCheapest$305Average$578FlexibilityNo cancel feeOn-time67%
WestJetCheapest$321Average$650FlexibilityNo cancel feeOn-time60%
DeltaCheapest$432Average$552FlexibilityNo cancel feeOn-timeN/A

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