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$149+ 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 4/20. Fares are subject to change and may not be available on all flights or dates of travel.
YYZ — ATL
Apr 23 — Apr 301
Thu 4/23
Thu 4/30
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 March 24, 2026.

This Kiwi.com deal was found by Cheapflights users on 3/20. 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 4/278:00 am
YUL
-
ATL
1 stop24h 17m
Multiple Airlines
Sat 5/29:10 pm
ATL
-
YUL
2 stops20h 05m
Multiple Airlines
Deal found 3/20$275
This Kiwi.com deal was found by Cheapflights users on 3/20. 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 4/268:00 am
YUL
-
ATL
1 stop23h 40m
Multiple Airlines
Sat 5/29:10 pm
ATL
-
YUL
2 stops20h 05m
Multiple Airlines
Deal found 3/20$277
This Kiwi.com deal was found by Cheapflights users on 3/20. 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 4/196:30 am
YYZ
-
ATL
1 stop25h 10m
Multiple Airlines
Sun 4/2610:43 pm
ATL
-
YYZ
1 stop15h 22m
Multiple Airlines
Deal found 3/20$279
This Kiwi.com deal was found by Cheapflights users on 3/21. 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 4/127:20 am
YYZ
-
ATL
1 stop25h 20m
Multiple Airlines
Wed 4/155:15 am
ATL
-
YYZ
1 stop8h 50m
Multiple Airlines
Deal found 3/21$280
This Kiwi.com deal was found by Cheapflights users on 3/19. 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 3/277:10 am
YYZ
-
ATL
1 stop17h 29m
Multiple Airlines
Tue 3/318:57 pm
ATL
-
YYZ
2 stops23h 13m
Multiple Airlines
Deal found 3/19$281
This Kiwi.com deal was found by Cheapflights users on 3/21. 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 4/83:00 pm
YTZ
-
ATL
1 stop10h 07m
Multiple Airlines
Wed 4/1510:40 pm
ATL
-
YTZ
1 stop14h 30m
Multiple Airlines
Deal found 3/21$282
This Kiwi.com deal was found by Cheapflights users on 3/20. 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 4/143:40 pm
YYZ
-
ATL
1 stop16h 57m
Multiple Airlines
Tue 4/2110:45 pm
ATL
-
YYZ
1 stop15h 20m
Multiple Airlines
Deal found 3/20$282
This Kiwi.com deal was found by Cheapflights users on 3/20. 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 4/146:15 pm
YTZ
-
ATL
1 stop6h 52m
Multiple Airlines
Tue 5/56:25 pm
ATL
-
YTZ
1 stop18h 40m
Multiple Airlines
Deal found 3/20$283
This Kiwi.com deal was found by Cheapflights users on 3/23. 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 4/43:25 pm
YYZ
-
ATL
1 stop9h 14m
Multiple Airlines
Tue 4/1410:45 pm
ATL
-
YYZ
1 stop15h 20m
Multiple Airlines
Deal found 3/23$283
This Kiwi.com deal was found by Cheapflights users on 3/22. 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 4/238:00 pm
YYZ
-
ATL
1 stop23h 32m
Multiple Airlines
Wed 4/2910:45 pm
ATL
-
YYZ
1 stop15h 20m
Multiple Airlines
Deal found 3/22$284
This Kiwi.com deal was found by Cheapflights users on 3/23. 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 4/67:10 am
YYZ
-
ATL
1 stop23h 52m
Multiple Airlines
Tue 4/145:45 am
ATL
-
YYZ
2 stops14h 25m
Multiple Airlines
Deal found 3/23$285
This Mytrip deal was found by Cheapflights users on 3/19. 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.
Thu 4/166:30 am
YYZ
-
ATL
1 stop12h 20m
Multiple Airlines
Thu 4/1610:01 pm
ATL
-
YYZ
1 stop16h 04m
Multiple Airlines
Deal found 3/19$286

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 March 24, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$275
(Kiwi.com)

One-way from

$148
(Kiwi.com)

Popular in

February

Cheapest in

October

Average price

$553

Good round-trip deal

$425 or less

Good one-way deal

$278 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. 7% potential increase in price ($44 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 March 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 March 24, 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

OttawaAtlanta

YOW - ATL

YOWATL

Ottawa

Wed 6/10

10:44 am-5:38 pm

1 stop6h 54m

Atlanta Hartsfield-Jackson

Tue 6/30

5:30 am-10:03 am

1 stop4h 33m

$304

OttawaAtlanta

YOW - ATL

YOWATL

Ottawa

Wed 6/3

6:00 am-7:16 pm

1 stop13h 16m

Atlanta Hartsfield-Jackson

Sun 6/7

5:30 am-10:03 am

1 stop4h 33m

$308

OttawaAtlanta

YOW - ATL

YOWATL

Ottawa

Mon 6/29

6:25 am-5:38 pm

1 stop11h 13m

Atlanta Hartsfield-Jackson

Mon 7/6

9:26 am-4:38 pm

1 stop7h 12m

$329

OttawaAtlanta

YOW - ATL

YOWATL

Ottawa

Sat 5/30

7:30 pm-12:30 am

1 stop5h 00m

Atlanta Hartsfield-Jackson

Sat 6/6

5:30 am-10:03 am

1 stop4h 33m

$333

OttawaAtlanta

YOW - ATL

YOWATL

Ottawa

Thu 4/16

7:30 pm-11:59 pm

1 stop4h 29m

Atlanta Hartsfield-Jackson

Sun 4/19

5:45 am-10:03 am

1 stop4h 18m

$348

OttawaAtlanta

YOW - ATL

YOWATL

Ottawa

Sat 4/18

2:40 pm-7:34 pm

1 stop4h 54m

Atlanta Hartsfield-Jackson

Sat 4/25

2:37 pm-10:05 pm

2 stops7h 28m

$348

TorontoAtlanta

YTZ - ATL

YTZATL

Toronto Island

Wed 5/27

1:50 pm-9:54 pm

1 stop8h 04m

Atlanta Hartsfield-Jackson

Sun 5/31

10:08 am-6:00 pm

1 stop7h 52m

$358

OttawaAtlanta

YOW - ATL

YOWATL

Ottawa

Mon 5/4

6:00 am-10:30 am

1 stop4h 30m

Atlanta Hartsfield-Jackson

Wed 5/6

2:37 pm-10:05 pm

2 stops7h 28m

$358

OttawaAtlanta

YOW - ATL

YOWATL

Ottawa

Sat 5/30

6:55 am-1:45 pm

1 stop6h 50m

Atlanta Hartsfield-Jackson

Sat 6/6

7:30 am-5:35 pm

2 stops10h 05m

$365

TorontoAtlanta

YTZ - ATL

YTZATL

Toronto Island

Mon 5/4

11:55 am-9:04 pm

2 stops9h 09m

Atlanta Hartsfield-Jackson

Wed 5/6

8:17 am-5:35 pm

1 stop9h 18m

$365

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/20

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, June is the cheapest month in which you can book a flight from Region of Ontario to Atlanta (average of $229). Flying from Region of Ontario to Atlanta in September is currently the most expensive (average of $321). 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 March 24, 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 17% on your trip compared to booking a flight in the afternoon.

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 March 23, 2026.

Travelers seeking maximum savings on their Region of Ontario to Atlanta flight should consider departing on Wednesday evenings when fares are most often at their lowest. Sunday 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 March 24, 2026.

The most flights from CAON to ATL are scheduled on a Monday (21 on average). You will have fewer flight options on Thursday, which is when the least amount of flights are scheduled (16 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 $304, United Airlines can have you in Atlanta from Region of Ontario in 6h 54m. The distance from Region of Ontario to Atlanta is about 930 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 $186. However, be on the lookout for offers from WestJet and Air Canada, 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: Aeromexico (83%), Delta (78%), WestJet( 78%).

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

    The cheapest flight price from Region of Ontario to Atlanta is $176. On average you can expect to pay $873. The most popular route, (Toronto Pearson Intl - Atlanta Hartsfield-Jackson), can usually be booked for $244.

  • 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, June is the cheapest month in which you can book a flight from Region of Ontario to Atlanta (average of $229). Flying from Region of Ontario to Atlanta in September is currently the most expensive (average of $321). 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
Sandy Springs
Norcross
McDonough
Roswell
Marietta
Lawrenceville
Lithia Springs
Peachtree Corners
Gainesville
Auburn
Conyers
Lithonia
Covington
Kennesaw
Commerce
Dunwoody
Suwanee
Acworth

Browse thousands of different options on Cheapflights for your next trip

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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 March 24, 2026.
AirlineCheapestAverageFlexibilityOn-time
WestJetCheapest$275Average$632FlexibilityNo cancel feeOn-time60%
United AirlinesCheapest$287Average$582FlexibilityNo cancel feeOn-time69%
Air CanadaCheapest$293Average$597FlexibilityNo cancel feeOn-time67%
DeltaCheapest$388Average$543FlexibilityNo cancel feeOn-timeN/A

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