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Cheap flights from Atlanta to Ontario from $84

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 9/13. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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0 bags

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Find the cheapest flights from Atlanta to Ontario

Cheap round-trip flights

Logo
5:27 am - 2:05 pmATL-YYZ
8h 38m1 stop
Logo
7:10 am - 8:12 pmYYZ-ATL
13h 02m1 stop
$232
Find Deal
Wed, Oct 22 - Sun, Oct 26
Logo
5:27 am - 2:05 pmATL-YYZ
8h 38m1 stop
Logo
6:30 am - 3:14 pmYYZ-ATL
8h 44m1 stop
$237
Find Deal
Thu, Sep 11 - Sun, Sep 14
Logo
5:27 am - 2:05 pmATL-YYZ
8h 38m1 stop
Logo
6:30 am - 8:17 pmYYZ-ATL
13h 47m1 stop
$238
Find Deal
Tue, Sep 16 - Sun, Sep 21
Logo
5:27 am - 2:05 pmATL-YYZ
8h 38m1 stop
Logo
6:30 am - 3:14 pmYYZ-ATL
8h 44m1 stop
$244
Find Deal
Tue, Sep 16 - Sat, Sep 20
Logo
5:27 am - 2:05 pmATL-YYZ
8h 38m1 stop
Logo
6:30 am - 8:12 pmYYZ-ATL
13h 42m1 stop
$246
Find Deal
Thu, Sep 18 - Sun, Sep 21
WestJet Logo
2:00 pm - 9:13 pmATL-YYZ
7h 13m1 stop
WestJet Logo
8:00 pm - 6:50 amYYZ-ATL
10h 50m1 stop
$297WestJet
Find Deal
Thu, Sep 18 - Mon, Sep 22
WestJet Logo
2:00 pm - 11:32 amATL-YOW
21h 32m1 stop
WestJet Logo
12:20 pm - 1:10 pmYOW-ATL
24h 50m1 stop
$348WestJet
Find Deal
Thu, Sep 4 - Wed, Sep 10
Air Canada Logo
6:20 am - 3:16 pmATL-YSB
8h 56m1 stop
Air Canada Logo
9:40 am - 3:02 pmYSB-ATL
5h 22m1 stop
$693Air Canada
Find Deal
Sat, Sep 13 - Sat, Sep 20
Air Canada Logo
6:20 am - 3:16 pmATL-YSB
8h 56m1 stop
Air Canada Logo
9:40 am - 9:39 pmYSB-ATL
11h 59m2 stops
$698Air Canada
Find Deal
Sat, Sep 13 - Sat, Sep 20
United Airlines Logo
6:59 pm - 3:16 pmATL-YSB
20h 17m2 stops
United Airlines Logo
3:55 pm - 10:08 amYSB-ATL
18h 13m2 stops
$755United Airlines
Find Deal
Sat, Sep 13 - Sat, Sep 20

WestJet flights from Atlanta to Region of Ontario

Our best WestJet deals on Atlanta to Region of Ontario flight tickets
WestJet
Sep 18
ATL2:00 pmAtlanta Hartsfield-Jackson
7h 13m
1 stop
YYZ9:13 pmToronto Pearson Intl
Sep 22
YYZ8:00 pmToronto Pearson Intl
10h 50m
1 stop
ATL6:50 amAtlanta Hartsfield-Jackson
$297
Find similar
WestJet
Sep 4
ATL2:00 pmAtlanta Hartsfield-Jackson
21h 32m
1 stop
YOW11:32 amOttawa
Sep 10
YOW12:20 pmOttawa
24h 50m
1 stop
ATL1:10 pmAtlanta Hartsfield-Jackson
$348
Find similar
WestJet
Sep 5
ATL2:00 pmAtlanta Hartsfield-Jackson
21h 32m
1 stop
YOW11:32 amOttawa
Sep 7
YOW7:15 pmOttawa
11h 35m
1 stop
ATL6:50 amAtlanta Hartsfield-Jackson
$349
Find similar

Air Canada flights from Atlanta to Region of Ontario

Our best Air Canada deals on Atlanta to Region of Ontario flight tickets
Air Canada
Sep 13
ATL6:20 amAtlanta Hartsfield-Jackson
8h 56m
1 stop
YSB3:16 pmSudbury
Sep 20
YSB9:40 amSudbury
5h 22m
1 stop
ATL3:02 pmAtlanta Hartsfield-Jackson
$693
Find similar
Air Canada
Sep 13
ATL6:20 amAtlanta Hartsfield-Jackson
8h 56m
1 stop
YSB3:16 pmSudbury
Sep 20
YSB9:40 amSudbury
11h 59m
2 stops
ATL9:39 pmAtlanta Hartsfield-Jackson
$698
Find similar

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 July 31, 2025.
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

Wed 10/22

5:27 am-2:05 pm

1 stop8h 38m

Toronto Pearson Intl

Sun 10/26

7:10 am-8:12 pm

1 stop13h 02m

$232

AtlantaToronto

ATL - YYZ

ATLYYZ

Atlanta Hartsfield-Jackson

Thu 9/11

5:27 am-2:05 pm

1 stop8h 38m

Toronto Pearson Intl

Sun 9/14

6:30 am-3:14 pm

1 stop8h 44m

$237

AtlantaToronto

ATL - YYZ

ATLYYZ

Atlanta Hartsfield-Jackson

Tue 9/16

5:27 am-2:05 pm

1 stop8h 38m

Toronto Pearson Intl

Sun 9/21

6:30 am-8:17 pm

1 stop13h 47m

$238

AtlantaToronto

ATL - YYZ

ATLYYZ

Atlanta Hartsfield-Jackson

Tue 9/16

5:27 am-2:05 pm

1 stop8h 38m

Toronto Pearson Intl

Sat 9/20

6:30 am-3:14 pm

1 stop8h 44m

$244

AtlantaToronto

ATL - YYZ

ATLYYZ

Atlanta Hartsfield-Jackson

Thu 9/18

5:27 am-2:05 pm

1 stop8h 38m

Toronto Pearson Intl

Sun 9/21

6:30 am-8:12 pm

1 stop13h 42m

$246

AtlantaToronto

ATL - YYZ

ATLYYZ

Atlanta Hartsfield-Jackson

Thu 9/18

2:00 pm-9:13 pm

1 stop7h 13m

Toronto Pearson Intl

Mon 9/22

8:00 pm-6:50 am

1 stop10h 50m

$297

AtlantaOttawa

ATL - YOW

ATLYOW

Atlanta Hartsfield-Jackson

Thu 9/4

2:00 pm-11:32 am

1 stop21h 32m

Ottawa

Wed 9/10

12:20 pm-1:10 pm

1 stop24h 50m

$348

AtlantaSudbury

ATL - YSB

ATLYSB

Atlanta Hartsfield-Jackson

Sat 9/13

6:20 am-3:16 pm

1 stop8h 56m

Sudbury

Sat 9/20

9:40 am-3:02 pm

1 stop5h 22m

$693

AtlantaSudbury

ATL - YSB

ATLYSB

Atlanta Hartsfield-Jackson

Sat 9/13

6:20 am-3:16 pm

1 stop8h 56m

Sudbury

Sat 9/20

9:40 am-9:39 pm

2 stops11h 59m

$698

AtlantaSudbury

ATL - YSB

ATLYSB

Atlanta Hartsfield-Jackson

Sat 9/13

6:59 pm-3:16 pm

2 stops20h 17m

Sudbury

Sat 9/20

3:55 pm-10:08 am

2 stops18h 13m

$755

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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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 March is, on average, the cheapest month to fly to Region of Ontario from Atlanta, with most prices found around $545. If you aren’t able to travel during the month of March, then book flights to Region of Ontario from Atlanta during April instead. Flights to Region of Ontario in April, while not as cheap as those in March, still average around $572.

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 $834. 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 $965. 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 at noon. momondo users have found flights departing from Atlanta to Region of Ontario at noon for as low as $679. 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 $931.

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 $558 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 $449 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 15% 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

$84

Fastest flight time

4h 53m

Direct flights

Every day

Airports in Region of Ontario

4 airports
The best one-way flight to Region of Ontario from Atlanta in the past 72 hours is $84. The best round-trip flight deal from Atlanta to Region of Ontario found on momondo in the last 72 hours is $232.
The fastest flight from Atlanta to Region of Ontario takes 4h 53m
Direct flights go from Atlanta to Region of Ontario every day.
There are 4 airports near Region of Ontario: Ottawa (YOW), Montreal Pierre Elliott Trudeau Intl (YUL), Toronto Pearson Intl (YYZ), Toronto Island (YTZ)
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
WestJetPriceFrom $225Free CancellationRating
7.2
2,978 reviews
Search WestJet flights
Air CanadaPriceFrom $240Free CancellationRating
7.1
9,851 reviews
Search Air Canada flights
United AirlinesPriceFrom $247Free CancellationRating
7.4
8,900 reviews
Search United Airlines flights
DeltaPriceFrom $260Free CancellationRating
8.0
7,981 reviews
Search Delta 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.

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