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Cheap flights from Atlanta to Ontario from C$ 219

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 4/7. Fares are subject to change and may not be available on all flights or dates of travel.
ATL — YYZ
12 Jul — 19 Jul1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Atlanta to Ontario

Enter your travel dates to find the best prices.

Cheapest flights from Atlanta to Ontario
Explore the most affordable flight options available from Atlanta to Ontario. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 12 June 2026.

Tue 11/85:30 a.m.
ATL
-
YTZ
1 stop11h 50m
Multiple Airlines
Wed 12/81:40 p.m.
YTZ
-
ATL
1 stop10h 09m
Multiple Airlines
Deal found 10/6C$ 446
Wed 14/107:00 a.m.
ATL
-
YTZ
1 stop7h 25m
Multiple Airlines
Mon 19/108:40 p.m.
YTZ
-
ATL
1 stop15h 45m
Multiple Airlines
Deal found 11/6C$ 447
Wed 1/78:23 a.m.
ATL
-
YTZ
1 stop9h 07m
Multiple Airlines
Sat 4/78:50 a.m.
YTZ
-
ATL
1 stop6h 14m
Multiple Airlines
Deal found 8/6C$ 458
Tue 7/78:16 a.m.
ATL
-
YTZ
1 stop11h 03m
Multiple Airlines
Tue 14/71:45 p.m.
YTZ
-
ATL
1 stop8h 59m
Multiple Airlines
Deal found 7/6C$ 462
Mon 13/76:35 a.m.
ATL
-
YYZ
1 stop14h 20m
Multiple Airlines
Tue 14/76:30 a.m.
YYZ
-
ATL
1 stop16h 50m
Multiple Airlines
Deal found 11/6C$ 464
Thu 6/89:03 p.m.
ATL
-
YTZ
1 stop20h 17m
Multiple Airlines
Tue 11/88:50 a.m.
YTZ
-
ATL
1 stop6h 03m
Multiple Airlines
Deal found 7/6C$ 468
Sat 4/75:01 a.m.
ATL
-
YTZ
1 stop7h 58m
Multiple Airlines
Wed 8/78:50 a.m.
YTZ
-
ATL
1 stop6h 23m
Multiple Airlines
Deal found 10/6C$ 469
Tue 18/85:05 a.m.
ATL
-
YYZ
1 stop6h 55m
Multiple Airlines
Tue 8/96:30 a.m.
YYZ
-
ATL
1 stop13h 40m
Multiple Airlines
Deal found 8/6C$ 472
Mon 6/76:35 a.m.
ATL
-
YYZ
1 stop10h 20m
Multiple Airlines
Thu 9/76:30 a.m.
YYZ
-
ATL
1 stop7h 34m
Multiple Airlines
Deal found 10/6C$ 474
Wed 19/88:17 a.m.
ATL
-
YTZ
1 stop9h 03m
Multiple Airlines
Tue 1/910:05 a.m.
YTZ
-
ATL
1 stop7h 12m
Multiple Airlines
Deal found 12/6C$ 474
Mon 6/76:35 a.m.
ATL
-
YYZ
1 stop10h 20m
Multiple Airlines
Tue 14/76:30 a.m.
YYZ
-
ATL
1 stop7h 34m
Multiple Airlines
Deal found 9/6C$ 478
Wed 1/75:40 a.m.
ATL
-
YTZ
1 stop11h 45m
Multiple Airlines
Tue 7/71:45 p.m.
YTZ
-
ATL
1 stop19h 37m
Multiple Airlines
Deal found 10/6C$ 478

Find flight deals from Atlanta to Ontario

Keep the following information in mind while searching for Atlanta to Ontario flight deals. Data was last updated 12 June 2026.

Round-trip from

C$ 446

One-way from

C$ 219

Popular in

August

Cheapest in

October

Average price

C$ 866

Good round-trip deal

C$ 294 or less

Good one-way deal

C$ 379 or less
11/8-12/8
  • 11/8-12/8
  • 2 total stops
  • 21h 59m total
  • Atlanta to Ontario
Search Deals
4/7
  • 4/7
  • 1 total stop
  • 13h 14m total
  • Atlanta to Ontario
Search Deals
Highest demand for flights based on searches. 2% potential increase in price (C$ 32 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 1% potential price decrease (C$ 16 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in June 2026
Search Deals
Price to beat on a round-trip flight from Atlanta Hartsfield-Jackson to Ontario.
Search Deals
Price to beat on a one-way flight from Atlanta Hartsfield-Jackson to Ontario.
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Atlanta to Ontario 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 629,999 searches. Data last updated 12 June 2026.
Use the filters below to find and compare flights from Atlanta to Ontario that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

AtlantaToronto

ATL - YTZ

ATLYTZ

Atlanta Hartsfield-Jackson

Wed 1/7

5:40 a.m.-5:25 p.m.

1 stop11h 45m

Toronto Island

Tue 7/7

1:45 p.m.-9:22 a.m.

1 stop19h 37m

C$ 478

AtlantaToronto

ATL - YTZ

ATLYTZ

Atlanta Hartsfield-Jackson

Wed 15/7

5:05 a.m.-12:59 p.m.

1 stop7h 54m

Toronto Island

Thu 16/7

8:50 a.m.-2:46 p.m.

1 stop5h 56m

C$ 531

AtlantaToronto

ATL - YTZ

ATLYTZ

Atlanta Hartsfield-Jackson

Sun 5/7

8:59 p.m.-1:05 p.m.

1 stop16h 06m

Toronto Island

Mon 13/7

6:05 p.m.-2:46 p.m.

1 stop20h 41m

C$ 556

AtlantaToronto

ATL - YTZ

ATLYTZ

Atlanta Hartsfield-Jackson

Wed 24/6

8:23 a.m.-5:30 p.m.

1 stop9h 07m

Toronto Island

Thu 25/6

6:00 p.m.-9:06 a.m.

1 stop15h 06m

C$ 683

AtlantaToronto

ATL - YTZ

ATLYTZ

Atlanta Hartsfield-Jackson

Fri 10/7

10:40 p.m.-9:35 a.m.

1 stop10h 55m

Toronto Island

Sun 12/7

8:50 a.m.-2:46 p.m.

1 stop5h 56m

C$ 700

AtlantaToronto

ATL - YYZ

ATLYYZ

Atlanta Hartsfield-Jackson

Fri 28/8

10:40 p.m.-11:18 p.m.

1 stop24h 38m

Toronto Pearson Intl

Tue 8/9

6:15 a.m.-6:49 p.m.

1 stop12h 34m

C$ 772

AtlantaOttawa

ATL - YOW

ATLYOW

Atlanta Hartsfield-Jackson

Mon 14/9

12:55 p.m.-7:45 p.m.

1 stop6h 50m

Ottawa

Thu 17/9

9:05 a.m.-4:19 p.m.

1 stop7h 14m

C$ 781

AtlantaOttawa

ATL - YOW

ATLYOW

Atlanta Hartsfield-Jackson

Sun 19/7

8:07 a.m.-5:07 p.m.

1 stop9h 00m

Ottawa

Sun 19/7

7:30 p.m.-12:30 a.m.

1 stop5h 00m

C$ 784

AtlantaToronto

ATL - YYZ

ATLYYZ

Atlanta Hartsfield-Jackson

Thu 8/10

2:30 p.m.-11:13 p.m.

1 stop8h 43m

Toronto Pearson Intl

Tue 13/10

2:10 p.m.-11:10 p.m.

1 stop9h 00m

C$ 798

AtlantaToronto

ATL - YYZ

ATLYYZ

Atlanta Hartsfield-Jackson

Wed 23/9

3:30 p.m.-11:39 p.m.

1 stop8h 09m

Toronto Pearson Intl

Sun 27/9

11:38 a.m.-1:54 p.m.

Nonstop2h 16m

C$ 798

Flights are sorted by cheapest round-trip flights first.

Deals found on 11/6

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

Have a flexible travel schedule? Discover the best time to fly to Ontario from Atlanta 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 Atlanta to Ontario

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

Currently, August is the cheapest month in which you can book a flight from Atlanta to Region of Ontario (average of C$ 77). Flying from Atlanta to Region of Ontario in March is currently the most expensive (average of C$ 345). 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 ATL to ON?

Find hourly flight availability from Atlanta to Ontario. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 12 June 2026.

When flying from Atlanta to Region of Ontario, the time of day you fly usually plays a role in the price. Save by searching for a flight in the afternoon, which can drop the price by up to 45% versus a flight at noon.

Weekly flight availability from Atlanta to Region of Ontario

Explore weekly flight availability from Atlanta to Ontario. 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 12 June 2026.

The most flights from ATL to CAON are scheduled on a Wednesday (26 on average). You will have fewer flight options on Monday, which is when the least amount of flights are scheduled (19 on average).

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

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

Booking 80 days in advance of your planned departure date is, on average, the best time to get cheap flights from Atlanta to Region of Ontario. The general trend is that the closer you book to the departure date, the more expensive your flight will be.

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

Use this chart to determine the cheapest time to fly round-trip from Atlanta to Ontario. Price data was last updated on 8 June 2026.

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

Reviews of airlines servicing Ontario

Get insights into the airlines that provide service to Ontario. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Ontario. Reviews last updated 12 June 2026.
Read reviews from past customers who have flown Delta,WestJet, andAir Canada from Atlanta to Ontario. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Delta
7.9
Good
8,398 reviews
Check prices

Boarding

8.1

Crew

8.5

Entertainment

7.8

Food

7.2

Comfort

7.8

Overall

7.9

Reviews

1 / 20
4.0
Okay

Joel,May 2026

ATL - JAX

The flight was delivered 50 minutes and taxing took what felt like 20 minutes to takeoff.
Delta
7.9
Good
8,398 reviews
Delta
7.9
Good
8,398 reviews
Check prices

Boarding

8.1

Crew

8.5

Entertainment

7.8

Food

7.2

Comfort

7.8

Overall

7.9

Reviews

1 / 20
4.0
Okay

Joel,May 2026

ATL - JAX

The flight was delivered 50 minutes and taxing took what felt like 20 minutes to takeoff.
WestJet
7.2
Good
3,357 reviews
Delta
7.9
Good
8,398 reviews
Check prices

Boarding

8.1

Crew

8.5

Entertainment

7.8

Food

7.2

Comfort

7.8

Overall

7.9

Reviews

1 / 20
4.0
Okay

Joel,May 2026

ATL - JAX

The flight was delivered 50 minutes and taxing took what felt like 20 minutes to takeoff.
Air Canada
7.1
Good
11,165 reviews
Delta
7.9
Good
8,398 reviews
Check prices

Boarding

8.1

Crew

8.5

Entertainment

7.8

Food

7.2

Comfort

7.8

Overall

7.9

Reviews

1 / 20
4.0
Okay

Joel,May 2026

ATL - JAX

The flight was delivered 50 minutes and taxing took what felt like 20 minutes to takeoff.

Related info for your journey

Find useful and relevant information for your journey from Atlanta to Ontario. 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 from for flights from Atlanta to Ontario?

    Located just 13.2 km from the city centre, Atlanta Hartsfield-Jackson (ATL) is the airport most travellers will use when flying to Ontario from Atlanta.

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

    For as low as C$ 781, Delta can have you in Region of Ontario from Atlanta in 6h 50m. There are 1497 km between Atlanta and Region of Ontario. This flight may include one or multiple stops.

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

    The cheapest airlines for a one-way flight from Atlanta to Region of Ontario are Frontier (C$ 110), WestJet (C$ 164), and United Airlines (C$ 227).

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

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

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

    Consider Sun Country Air (100%), United Airlines (89%) or Jazz (82%) when booking your flight. These represent the most reliable airlines when flying from Atlanta to Region of Ontario.

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

    On average you can expect to pay C$ 433 for a flight from Atlanta to Region of Ontario. The cheapest flight overall is C$ 170 while the most popular route, (Atlanta Hartsfield-Jackson - Toronto Pearson Intl) is currently priced at C$ 474.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Atlanta to Ontario 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 Atlanta to Region of Ontario?

    Currently, August is the cheapest month in which you can book a flight from Atlanta to Region of Ontario (average of C$ 77). Flying from Atlanta to Region of Ontario in March is currently the most expensive (average of C$ 345). 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

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Alternative routes for Atlanta to Ontario

See prices for flight routes from nearby airports that may be better suited for you.
Atlanta to Pearson Intl flights
Atlanta to Vancouver Intl flights
Atlanta to Calgary flights
Atlanta to Pierre Elliott Trudeau Intl flights
Atlanta to Toronto Island flights
Jacksonville to Pearson Intl flights
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Jacksonville to Vancouver Intl flights
Jacksonville to Toronto Island flights
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Savannah to Pearson Intl flights
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Asheville to Pierre Elliott Trudeau Intl flights
Atlanta to Winnipeg flights
Savannah to Pierre Elliott Trudeau Intl flights
Asheville to Calgary flights
Tallahassee to Pierre Elliott Trudeau Intl flights
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Tallahassee to Pearson Intl flights
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Atlanta to Victoria flights
Jacksonville to Québec City flights
Chattanooga to Pearson Intl flights
Chattanooga to Calgary flights
Chattanooga to Halifax flights
Tallahassee to Calgary flights
Atlanta to Saskatoon flights
Chattanooga to Pierre Elliott Trudeau Intl flights
Savannah to Calgary flights
Chattanooga to Vancouver Intl flights
Atlanta to Kelowna flights
Asheville to Victoria flights
Chattanooga to Edmonton flights
Augusta to Pearson Intl flights
Jacksonville to St. John's flights
Jacksonville to Halifax flights
Savannah to Victoria flights

Top 3 airlines flying from Atlanta to Ontario

Discover the top 3 airlines that operate flights from Atlanta to Ontario. 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 629,999 searches. Data last updated 12 June 2026.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapestC$ 336AverageC$ 392FlexibilityNo cancel feeOn-timeN/A
Search Delta flights
Air CanadaCheapestC$ 358AverageC$ 859FlexibilityNo cancel feeOn-time67%
Search Air Canada flights
WestJetCheapestC$ 446AverageC$ 1,028FlexibilityNo cancel feeOn-time60%
Search WestJet flights

Fly with Cheapflights

Find the best flight deals on Cheapflights, where travelers can enjoy low prices and a wide availability of flights to their desired destinations.

How does Cheapflights help users find flights from Atlanta to Ontario?

Cheapflights helps you search for flights from Atlanta to Ontario via 900+ travel sites so you don’t have to. After performing a flight search, users can also filter their flight selection by filtering for price, number of stops, airlines, and so on.

Why should you use Cheapflights to find cheap flight tickets from Atlanta to Ontario?

It’s simple! Cheapflights, which is free to use for everyone, saves millions of users time and money every year by helping them find the cheapest and most suitable flights from Atlanta to Ontario.

Can Cheapflights find flights from Atlanta to Ontario with no change fees?

Users can book flights with no change fees policies with our dedicated filters. Book flights from Atlanta to Ontario flexibly with Cheapflights today.

Can Cheapflights notify me if prices for flights from Atlanta to Ontario become cheaper?

Yes, Cheapflights offers price alerts on Atlanta to Ontario flights so you can book your travel at the perfect time. Price Alerts can be enabled by clicking the bell icon next to the flight deals above and providing your email address where you want to receive the alerts.

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