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Cheap flights from Atlanta to Ontario from $96

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Atlanta to Ontario departing on 4/1. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
0 bags

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Find the cheapest flights from Atlanta to Ontario

Cheap round-trip flights

Enter your travel dates to find the best prices.
Multiple Airlines Logo
4:17 pm - 11:20 pm
ATL
-
YYZ
7h 03m
1 stop
Multiple Airlines Logo
3:40 pm - 11:03 pm
YYZ
-
ATL
7h 23m
1 stop
$243Multiple Airlines
Mon, Mar 2 - Tue, Mar 3
Multiple Airlines Logo
5:25 am - 7:55 pm
ATL
-
YYZ
14h 30m
1 stop
Multiple Airlines Logo
7:10 am - 7:04 am
YYZ
-
ATL
23h 54m
1 stop
$245Multiple Airlines
Thu, Mar 26 - Fri, Mar 27
Multiple Airlines Logo
3:12 pm - 11:20 pm
ATL
-
YYZ
8h 08m
1 stop
Multiple Airlines Logo
8:20 pm - 6:54 am
YYZ
-
ATL
10h 34m
1 stop
$246Multiple Airlines
Thu, Mar 5 - Sun, Mar 8
Air Canada Logo
1:00 pm - 7:24 pm
ATL
-
YSB
6h 24m
1 stop
Air Canada Logo
3:55 pm - 9:43 pm
YSB
-
ATL
5h 48m
1 stop
$667Air Canada
Sat, Feb 21 - Sun, Feb 22
Air Canada Logo
1:00 pm - 7:24 pm
ATL
-
YSB
6h 24m
1 stop
Air Canada Logo
3:55 pm - 9:43 pm
YSB
-
ATL
5h 48m
1 stop
$668Air Canada
Sat, Feb 21 - Sun, Feb 22
United Airlines Logo
7:00 am - 1:45 pm
ATL
-
YSB
6h 45m
1 stop
United Airlines Logo
2:25 pm - 9:15 pm
YSB
-
ATL
6h 50m
1 stop
$674United Airlines
Wed, Jul 1 - Sat, Jul 18
Air Canada Logo
1:00 pm - 7:24 pm
ATL
-
YSB
6h 24m
1 stop
Air Canada Logo
9:45 am - 9:53 pm
YSB
-
ATL
12h 08m
2 stops
$676Air Canada
Sat, Feb 21 - Sun, Feb 22
United Airlines Logo
8:00 am - 7:17 pm
ATL
-
YSB
11h 17m
2 stops
United Airlines Logo
9:45 am - 2:20 pm
YSB
-
ATL
4h 35m
1 stop
$684United Airlines
Wed, Jul 1 - Sat, Jul 18
United Airlines Logo
7:17 pm - 7:24 pm
ATL
-
YSB
24h 07m
3 stops
United Airlines Logo
3:55 pm - 9:56 pm
YSB
-
ATL
6h 01m
1 stop
$689United Airlines
Wed, Mar 18 - Wed, Mar 25
Air Canada Logo
1:00 pm - 7:24 pm
ATL
-
YSB
6h 24m
1 stop
Air Canada Logo
3:55 pm - 9:43 pm
YSB
-
ATL
5h 48m
1 stop
$755Air Canada
Sat, Feb 21 - Sun, Feb 22

Delta flights from Atlanta to Region of Ontario

Our best Delta deals on Atlanta to Region of Ontario flight tickets
Delta
Feb 17
ATL10:30 amAtlanta Hartsfield-Jackson
8h 05m
1 stop
YUL6:35 pmMontreal Pierre Elliott Trudeau Intl
Feb 26
YUL7:00 amMontreal Pierre Elliott Trudeau Intl
3h 28m
ATL10:28 amAtlanta Hartsfield-Jackson
$670
Delta
Feb 17
ATL10:30 amAtlanta Hartsfield-Jackson
8h 05m
1 stop
YUL6:35 pmMontreal Pierre Elliott Trudeau Intl
Feb 26
YUL9:29 amMontreal Pierre Elliott Trudeau Intl
8h 10m
1 stop
ATL5:39 pmAtlanta Hartsfield-Jackson
$685
Delta
Feb 5
ATL3:15 pmAtlanta Hartsfield-Jackson
9h 24m
2 stops
YOW12:39 amOttawa
Feb 7
YOW5:40 amOttawa
9h 02m
1 stop
ATL2:42 pmAtlanta Hartsfield-Jackson
$987

United Airlines flights from Atlanta to Region of Ontario

Our best United Airlines deals on Atlanta to Region of Ontario flight tickets
United Airlines
May 10
ATL5:30 amAtlanta Hartsfield-Jackson
4h 33m
1 stop
YOW10:03 amOttawa
May 22
YOW10:00 amOttawa
14h 16m
1 stop
ATL12:16 amAtlanta Hartsfield-Jackson
$382
United Airlines
Feb 17
ATL7:30 pmAtlanta Hartsfield-Jackson
12h 02m
2 stops
YUL7:32 amMontreal Pierre Elliott Trudeau Intl
Feb 26
YUL3:30 pmMontreal Pierre Elliott Trudeau Intl
18h 46m
2 stops
ATL10:16 amAtlanta Hartsfield-Jackson
$602
United Airlines
Feb 17
ATL7:30 pmAtlanta Hartsfield-Jackson
12h 02m
2 stops
YUL7:32 amMontreal Pierre Elliott Trudeau Intl
Feb 26
YUL5:40 pmMontreal Pierre Elliott Trudeau Intl
16h 36m
2 stops
ATL10:16 amAtlanta Hartsfield-Jackson
$612

momondo Fare Finder

 
Customize your flight search to find flights from Atlanta to Region of 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, momondo users made 832,500 searches. Data last updated February 3, 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

AtlantaToronto

ATL - YYZ

ATLYYZ

Atlanta Hartsfield-Jackson

Mon 3/2

4:17 pm-11:20 pm

1 stop7h 03m

Toronto Pearson Intl

Tue 3/3

3:40 pm-11:03 pm

1 stop7h 23m

$243

AtlantaToronto

ATL - YYZ

ATLYYZ

Atlanta Hartsfield-Jackson

Thu 3/26

5:25 am-7:55 pm

1 stop14h 30m

Toronto Pearson Intl

Fri 3/27

7:10 am-7:04 am

1 stop23h 54m

$245

AtlantaToronto

ATL - YYZ

ATLYYZ

Atlanta Hartsfield-Jackson

Thu 3/5

3:12 pm-11:20 pm

1 stop8h 08m

Toronto Pearson Intl

Sun 3/8

8:20 pm-6:54 am

1 stop10h 34m

$246

AtlantaSudbury

ATL - YSB

ATLYSB

Atlanta Hartsfield-Jackson

Sat 2/21

1:00 pm-7:24 pm

1 stop6h 24m

Sudbury

Sun 2/22

3:55 pm-9:43 pm

1 stop5h 48m

$667

AtlantaSudbury

ATL - YSB

ATLYSB

Atlanta Hartsfield-Jackson

Sat 2/21

1:00 pm-7:24 pm

1 stop6h 24m

Sudbury

Sun 2/22

3:55 pm-9:43 pm

1 stop5h 48m

$668

AtlantaSudbury

ATL - YSB

ATLYSB

Atlanta Hartsfield-Jackson

Wed 7/1

7:00 am-1:45 pm

1 stop6h 45m

Sudbury

Sat 7/18

2:25 pm-9:15 pm

1 stop6h 50m

$674

AtlantaSudbury

ATL - YSB

ATLYSB

Atlanta Hartsfield-Jackson

Sat 2/21

1:00 pm-7:24 pm

1 stop6h 24m

Sudbury

Sun 2/22

9:45 am-9:53 pm

2 stops12h 08m

$676

AtlantaSudbury

ATL - YSB

ATLYSB

Atlanta Hartsfield-Jackson

Wed 7/1

8:00 am-7:17 pm

2 stops11h 17m

Sudbury

Sat 7/18

9:45 am-2:20 pm

1 stop4h 35m

$684

AtlantaSudbury

ATL - YSB

ATLYSB

Atlanta Hartsfield-Jackson

Wed 3/18

7:17 pm-7:24 pm

3 stops24h 07m

Sudbury

Wed 3/25

3:55 pm-9:56 pm

1 stop6h 01m

$689

AtlantaSudbury

ATL - YSB

ATLYSB

Atlanta Hartsfield-Jackson

Sat 2/21

1:00 pm-7:24 pm

1 stop6h 24m

Sudbury

Sun 2/22

3:55 pm-9:43 pm

1 stop5h 48m

$755

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
1
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See travel insights to Ontario from

How to get the cheapest flight ticket from Atlanta to Region of Ontario

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the cheapest month to fly to Region of Ontario?

The month of November is, on average, the cheapest month to fly to Region of Ontario from Atlanta, with most prices found around $493. If you aren’t able to travel during the month of November, then book flights to Region of Ontario from Atlanta during March instead. Flights to Region of Ontario in March, while not as cheap as those in November, still average around $519.

What is the cheapest day to depart on your flight to Region of Ontario?

According to our data, Thursday is the cheapest day to fly to Region of Ontario from Atlanta. The lowest ticket price found for a Thursday departure recently was $822. Keep in mind that prices can always vary depending on your route and whether or not you are flying domestic or international. Flights from Atlanta to Region of Ontario on a Monday will generally be more expensive and average around $975. Keep in mind that these prices on both days could fluctuate depending on the season and the demand.

What is the cheapest time of day to depart on your flight to Region of Ontario?

According to our data, the cheapest time of day to fly to Region of Ontario is in the evening. momondo users have found flights departing from Atlanta to Region of Ontario in the evening for as low as $614. Keep in mind that these prices may fluctuate based on what airline you choose and the time of year you plan to travel. Flights in the morning are often more expensive with an average ticket price of $946.

What is the cheapest Atlanta Hartsfield-Jackson to Ontario flight route?

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

How far in advance should I book a flight to Region of Ontario?

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 $565 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 $429 on momondo.

What cabin class options are available on Atlanta Hartsfield-Jackson to Ontario flights?

There are 4 cabin classes available to choose from on Atlanta Hartsfield-Jackson to Ontario flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

Can stopping save me money on Atlanta to Region of Ontario flights?

You could potentially save up to 7% on your flight if you consider stops on a Atlanta to Region of Ontario flight.

Cheap Atlanta to Region of Ontario flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Atlanta to Region of Ontario

Best Price Found

$236

Fastest flight time

2h 09m

Direct flights

Every day

Airports in Region of Ontario

123 airports
The best one-way flight to Region of Ontario from Atlanta in the past 72 hours is $236. The best round-trip flight deal from Atlanta to Region of Ontario found on momondo in the last 72 hours is $587.
The fastest flight from Atlanta to Region of Ontario takes 2h 09m
Direct flights go from Atlanta to Region of Ontario every day.
There are 123 airports in Region of Ontario. From Atlanta there are direct flights to Toronto Pearson Intl (YYZ).
Search flight deals

  • When did momondo last update prices for flights from Atlanta Hartsfield-Jackson Airport to Ontario?

    Prices for flights from Atlanta Hartsfield-Jackson Airport to Ontario refresh daily.

  • How many operators does momondo search for flights from Atlanta Hartsfield-Jackson Airport to Ontario?

  • How old do you have to be to fly from Atlanta Hartsfield-Jackson Airport to Ontario?

    The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Atlanta Hartsfield-Jackson Airport to Ontario.

  • What documentation or ID do you need to fly to Ontario?

    The travel and health documents you'll need for your trip to Ontario may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Ontario. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

  • What is the most popular plane model from Atlanta to Region of Ontario?

Best airlines flying from Atlanta to Region of Ontario

Compare and see reviews for airlines that fly from Atlanta to Region of Ontario with momondo
Airline
Rating
Free Cancellation
Price
Air CanadaPriceFrom $240Free CancellationRating
7.1
10,684 reviews
Search Air Canada flights
DeltaPriceFrom $242Free CancellationRating
7.9
8,138 reviews
Search Delta flights
United AirlinesPriceFrom $242Free CancellationRating
7.4
9,236 reviews
Search United Airlines flights
WestJetPriceFrom $263Free CancellationRating
7.2
3,255 reviews
Search WestJet flights

Why use momondo?

Why should I use momondo to find a flight deal from Atlanta to Ontario?

To find the flight that best suits your needs, momondo gathers a range of flights from a large pool of different airlines and agents; you can then use our insights and filters to find and book the right flight to Ontario from Atlanta.

Can I find flights from Atlanta to Ontario with flexible booking policies on momondo?

momondo does allow users to show only those flights to Ontario from Atlanta which offer a flexible booking policy as well as other useful filters and features.

How can momondo help me find flights from Atlanta to Ontario?

momondo offers useful filters to help you find the right flight. Choose specific flight times, airports or even what payment method you prefer. We have numerous options to help you book your ideal flight from Atlanta to Ontario.

I’m not ready to book a flight from Atlanta to Ontario right now. Can momondo alert me if prices change?

Yes. momondo can track prices for Atlanta to Ontario flights and alert you when they change. Perform a search to set up the price alert. All that is required is a valid email address.

An easier way to manage your Region of Ontario trip

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Find better results for your trip to Ontario

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