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$138+ 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 12/4. Fares are subject to change and may not be available on all flights or dates of travel.
YYZ — ATL
Dec 6 — Dec 131
Sat 12/6
Sat 12/13
1 adult, Economy
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Find 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 November 6, 2025.

This Kiwi.com deal was found by Cheapflights users on 11/4. 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 11/227:00 amYYZ - ATL
1 stop17h 15mMultiple Airlines
Tue 12/212:50 pmATL - YYZ
1 stop29h 03mMultiple Airlines
Deal found 11/4$239
This Mytrip deal was found by Cheapflights users on 11/6. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/67:10 amYYZ - ATL
2 stops15h 54mMultiple Airlines
Sat 12/139:01 amATL - YYZ
1 stop14h 19mMultiple Airlines
Deal found 11/6$240
This Kiwi.com deal was found by Cheapflights users on 11/6. 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.
Thu 12/47:00 amYYZ - ATL
1 stop14h 24mMultiple Airlines
Thu 12/114:20 pmATL - YYZ
1 stop7h 51mMultiple Airlines
Deal found 11/6$241
This Kiwi.com deal was found by Cheapflights users on 11/4. 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 12/137:10 amYYZ - ATL
1 stop6h 33mMultiple Airlines
Sun 12/1412:40 pmATL - YYZ
1 stop10h 58mMultiple Airlines
Deal found 11/4$243
This Kiwi.com deal was found by Cheapflights users on 11/6. 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 12/78:00 pmYYZ - ATL
1 stop11h 32mMultiple Airlines
Thu 12/114:20 pmATL - YYZ
1 stop7h 51mMultiple Airlines
Deal found 11/6$245
This Kiwi.com deal was found by Cheapflights users on 11/6. 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 12/24:15 pmYOW - ATL
1 stop19h 30mMultiple Airlines
Wed 12/104:40 pmATL - YOW
1 stop24h 33mMultiple Airlines
Deal found 11/6$246
This Kiwi.com deal was found by Cheapflights users on 11/6. 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.
Thu 12/48:30 pmYYZ - ATL
1 stop11h 13mMultiple Airlines
Mon 12/83:45 pmATL - YYZ
1 stop8h 26mMultiple Airlines
Deal found 11/6$246
This Kiwi.com deal was found by Cheapflights users on 11/6. 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 12/24:15 pmYOW - ATL
1 stop19h 30mMultiple Airlines
Tue 12/94:48 pmATL - YOW
1 stop24h 25mMultiple Airlines
Deal found 11/6$247
This FlightHub deal was found by Cheapflights users on 11/5. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/56:30 pmYYZ - ATL
1 stop12h 42mWestJet
Fri 12/128:45 amATL - YYZ
2 stops14h 53mWestJet
Deal found 11/5$247
This Kiwi.com deal was found by Cheapflights users on 11/5. 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 11/216:30 pmYYZ - ATL
1 stop12h 42mWestJet
Fri 11/284:15 pmATL - YYZ
2 stops13h 43mWestJet
Deal found 11/5$248
This Trip.com deal was found by Cheapflights users on 11/4. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/45:20 pmYYZ - ATL
2 stops13h 32mWestJet
Sun 12/712:40 pmATL - YYZ
1 stop10h 58mWestJet
Deal found 11/4$249
This Kiwi.com deal was found by Cheapflights users on 11/6. 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 12/34:15 pmYOW - ATL
1 stop15h 28mMultiple Airlines
Wed 12/104:40 pmATL - YOW
1 stop24h 33mMultiple Airlines
Deal found 11/6$250

Cheap flight deals from Ontario to Atlanta

Keep the following information in mind while searching for Ontario to Atlanta flight deals. Data was last updated November 6, 2025.

Most accurate provider

Mytrip
3 stars

Most trusted provider

Mytrip
3 stars

Round-trip from

$239
(Kiwi.com)

One-way from

$138
(Mytrip)

Popular in

December

Cheapest in

May

Average price

$513

Good round-trip deal

$423 or less

Good one-way deal

$282 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 ($30 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 1% potential price decrease ($8 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in November 2025
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 November 6, 2025.
Use the filters below to find and compare flights from Ontario to Atlanta that are best for you.

Fly from

Ontario

Fly to

Atlanta

Route

Depart

Return

Price

OttawaAtlanta

YOW - ATL

YOWATL

Ottawa

Thu 12/4

4:15 pm-7:43 am

1 stop15h 28m

Atlanta Hartsfield-Jackson

Wed 12/10

4:40 pm-5:13 pm

1 stop24h 33m

$246

OttawaAtlanta

YOW - ATL

YOWATL

Ottawa

Tue 12/2

4:15 pm-11:45 am

1 stop19h 30m

Atlanta Hartsfield-Jackson

Tue 12/9

4:48 pm-5:13 pm

1 stop24h 25m

$247

OttawaAtlanta

YOW - ATL

YOWATL

Ottawa

Wed 12/3

4:15 pm-7:43 am

1 stop15h 28m

Atlanta Hartsfield-Jackson

Wed 12/10

4:40 pm-5:13 pm

1 stop24h 33m

$250

OttawaAtlanta

YOW - ATL

YOWATL

Ottawa

Wed 12/3

4:15 pm-7:43 am

1 stop15h 28m

Atlanta Hartsfield-Jackson

Tue 12/9

4:48 pm-5:13 pm

1 stop24h 25m

$251

TorontoAtlanta

YYZ - ATL

YYZATL

Toronto Pearson Intl

Mon 11/24

6:30 pm-7:12 am

1 stop12h 42m

Atlanta Hartsfield-Jackson

Fri 11/28

12:40 pm-8:38 am

1 stop19h 58m

$254

TorontoAtlanta

YYZ - ATL

YYZATL

Toronto Pearson Intl

Sat 1/17

9:35 am-9:42 pm

1 stop12h 07m

Atlanta Hartsfield-Jackson

Sat 2/7

2:13 pm-9:19 pm

1 stop7h 06m

$257

OttawaAtlanta

YOW - ATL

YOWATL

Ottawa

Tue 12/2

6:45 am-5:48 pm

2 stops11h 03m

Atlanta Hartsfield-Jackson

Thu 12/11

8:39 am-5:13 pm

1 stop8h 34m

$265

TorontoAtlanta

YYZ - ATL

YYZATL

Toronto Pearson Intl

Thu 11/27

10:50 pm-11:49 am

1 stop12h 59m

Atlanta Hartsfield-Jackson

Sun 11/30

12:40 pm-8:38 am

1 stop19h 58m

$268

OttawaAtlanta

YOW - ATL

YOWATL

Ottawa

Mon 12/1

4:15 pm-11:13 am

1 stop18h 58m

Atlanta Hartsfield-Jackson

Mon 12/8

4:07 pm-12:25 am

1 stop8h 18m

$270

TorontoAtlanta

YYZ - ATL

YYZATL

Toronto Pearson Intl

Tue 12/2

6:30 pm-6:52 am

1 stop12h 22m

Atlanta Hartsfield-Jackson

Wed 12/10

12:40 pm-8:38 am

1 stop19h 58m

$272

Flights are sorted by cheapest round-trip flights first.

Deals found on 11/5

Showing 1-10 of 60 results
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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 $223). Flying from Region of Ontario to Atlanta in May is currently the most expensive (average of $333). 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 November 6, 2025.

A simple way to save on the total cost of your ticket is to fly from Region of Ontario to Atlanta in the evening. If you’re flexible enough to do this you can expect to save up to 30% on your trip compared to booking a flight at noon.

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 December 16, 2024.

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

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 November 6, 2025.

The most flights from CAON to ATL are scheduled on a Thursday (25 on average). You will have fewer flight options on Monday, which is when the least amount of flights are scheduled (4 on average).

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 $254, WestJet can have you in Atlanta from Region of Ontario in 12h 42m. The distance from Region of Ontario to Atlanta is about 740 mi.

  • 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: Aeromexico (97%), Korean Air (93%), Delta( 93%).

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

    The cheapest flight price from Region of Ontario to Atlanta is $204. On average you can expect to pay $558. The most popular route, (Toronto Pearson Intl - Atlanta Hartsfield-Jackson), can usually be booked for $199.

  • 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 $223). Flying from Region of Ontario to Atlanta in May is currently the most expensive (average of $333). 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
College Park
Duluth
McDonough
Roswell
Norcross
Lawrenceville
Stone Mountain
Kennesaw
Peachtree Corners
Conyers
Buford
Marietta
Commerce
Lithonia
Covington
Smyrna
Douglasville
Acworth
Auburn
Sandy Springs

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Alternative routes for Ontario to Atlanta

See prices for flight routes from nearby airports that may be better suited for you.
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Pierre Elliott Trudeau Intl to Brunswick flights

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 November 6, 2025.
AirlineCheapestAverageFlexibilityOn-time
WestJetCheapest$275Average$718FlexibilityNo cancel feeOn-time60%
United AirlinesCheapest$355Average$603FlexibilityNo cancel feeOn-time69%
DeltaCheapest$366Average$542FlexibilityNo cancel feeOn-timeN/A
Air CanadaCheapest$380Average$549FlexibilityNo cancel feeOn-time67%

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