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Cheap flights from Atlanta to Ontario from $56

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 1/20. 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
10:33 am - 2:58 pm
ATL
-
YOW
28h 25m1 stop
Multiple Airlines Logo
4:15 pm - 10:24 am
YOW
-
ATL
18h 09m1 stop
$238Multiple Airlines
Mon, Jan 12 - Wed, Jan 14
Multiple Airlines Logo
8:21 pm - 5:00 pm
ATL
-
YUL
20h 39m2 stops
Multiple Airlines Logo
8:00 am - 7:16 pm
YUL
-
ATL
11h 16m1 stop
$240Multiple Airlines
Thu, Jan 22 - Mon, Jan 26
Multiple Airlines Logo
8:58 am - 12:25 am
ATL
-
YOW
15h 27m1 stop
Multiple Airlines Logo
4:20 pm - 8:49 pm
YOW
-
ATL
28h 29m3 stops
$241Multiple Airlines
Fri, Jan 9 - Sun, Jan 11
WestJet Logo
9:05 am - 12:09 am
ATL
-
YYZ
15h 04m1 stop
WestJet Logo
6:30 pm - 6:52 am
YYZ
-
ATL
12h 22m1 stop
$267WestJet
Sun, Jan 25 - Tue, Jan 27
WestJet Logo
9:05 am - 5:58 am
ATL
-
YYZ
20h 53m1 stop
WestJet Logo
6:30 pm - 7:05 am
YYZ
-
ATL
12h 35m2 stops
$269WestJet
Sat, Apr 4 - Sat, Apr 11
WestJet Logo
9:05 am - 5:58 am
ATL
-
YYZ
20h 53m1 stop
WestJet Logo
12:30 pm - 6:52 am
YYZ
-
ATL
18h 22m2 stops
$271WestJet
Sun, Jan 25 - Tue, Jan 27
Air Canada Logo
12:55 pm - 9:39 pm
ATL
-
YSB
8h 44m2 stops
Air Canada Logo
9:45 am - 9:53 pm
YSB
-
ATL
12h 08m2 stops
$749Air Canada
Thu, Jan 15 - Mon, Jan 19
Air Canada Logo
12:55 pm - 9:39 pm
ATL
-
YSB
8h 44m2 stops
Air Canada Logo
9:45 am - 9:53 pm
YSB
-
ATL
12h 08m2 stops
$760Air Canada
Thu, Jan 15 - Mon, Jan 19
Air Canada Logo
12:55 pm - 9:39 pm
ATL
-
YSB
8h 44m2 stops
Air Canada Logo
9:45 am - 9:43 pm
YSB
-
ATL
11h 58m1 stop
$855Air Canada
Thu, Jan 15 - Mon, Jan 19
Air Canada Logo
12:55 pm - 9:39 pm
ATL
-
YSB
8h 44m2 stops
Air Canada Logo
9:45 am - 9:43 pm
YSB
-
ATL
11h 58m1 stop
$866Air Canada
Thu, Jan 15 - Mon, Jan 19

WestJet flights from Atlanta to Region of Ontario

Our best WestJet deals on Atlanta to Region of Ontario flight tickets
WestJet
Jan 21
ATL4:15 pmAtlanta Hartsfield-Jackson
20h 08m
2 stops
YYZ12:23 pmToronto Pearson Intl
Jan 24
YYZ6:30 pmToronto Pearson Intl
12h 22m
1 stop
ATL6:52 amAtlanta Hartsfield-Jackson
$267
Find similar
WestJet
Apr 2
ATL9:05 amAtlanta Hartsfield-Jackson
20h 53m
1 stop
YYZ5:58 amToronto Pearson Intl
Apr 13
YYZ6:30 pmToronto Pearson Intl
12h 35m
1 stop
ATL7:05 amAtlanta Hartsfield-Jackson
$270
Find similar
WestJet
Jan 13
ATL8:45 amAtlanta Hartsfield-Jackson
10h 51m
1 stop
YYZ7:36 pmToronto Pearson Intl
Jan 22
YYZ6:30 pmToronto Pearson Intl
12h 22m
1 stop
ATL6:52 amAtlanta Hartsfield-Jackson
$271
Find similar

American Airlines flights from Atlanta to Region of Ontario

Our best American Airlines deals on Atlanta to Region of Ontario flight tickets
American Airlines
Dec 23
ATL7:33 pmAtlanta Hartsfield-Jackson
21h 18m
2 stops
YOW4:51 pmOttawa
Jan 6
YOW6:45 amOttawa
17h 13m
2 stops
ATL11:58 pmAtlanta Hartsfield-Jackson
$785
Find similar
American Airlines
Dec 23
ATL6:00 amAtlanta Hartsfield-Jackson
18h 41m
2 stops
YOW12:41 amOttawa
Jan 6
YOW6:45 amOttawa
9h 11m
2 stops
ATL3:56 pmAtlanta Hartsfield-Jackson
$859
Find similar
American Airlines
Dec 25
ATL4:29 pmAtlanta Hartsfield-Jackson
24h 22m
3 stops
YOW4:51 pmOttawa
Dec 30
YOW9:10 amOttawa
9h 57m
2 stops
ATL7:07 pmAtlanta Hartsfield-Jackson
$1,001
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 December 18, 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

AtlantaOttawa

ATL - YOW

ATLYOW

Atlanta Hartsfield-Jackson

Mon 1/12

10:33 am-2:58 pm

1 stop28h 25m

Ottawa

Wed 1/14

4:15 pm-10:24 am

1 stop18h 09m

$238

AtlantaMontreal

ATL - YUL

ATLYUL

Atlanta Hartsfield-Jackson

Thu 1/22

8:21 pm-5:00 pm

2 stops20h 39m

Montreal Pierre Elliott Trudeau Intl

Mon 1/26

8:00 am-7:16 pm

1 stop11h 16m

$240

AtlantaOttawa

ATL - YOW

ATLYOW

Atlanta Hartsfield-Jackson

Fri 1/9

8:58 am-12:25 am

1 stop15h 27m

Ottawa

Sun 1/11

4:20 pm-8:49 pm

3 stops28h 29m

$241

AtlantaToronto

ATL - YYZ

ATLYYZ

Atlanta Hartsfield-Jackson

Sun 1/25

9:05 am-12:09 am

1 stop15h 04m

Toronto Pearson Intl

Tue 1/27

6:30 pm-6:52 am

1 stop12h 22m

$267

AtlantaToronto

ATL - YYZ

ATLYYZ

Atlanta Hartsfield-Jackson

Sat 4/4

9:05 am-5:58 am

1 stop20h 53m

Toronto Pearson Intl

Sat 4/11

6:30 pm-7:05 am

2 stops12h 35m

$269

AtlantaToronto

ATL - YYZ

ATLYYZ

Atlanta Hartsfield-Jackson

Sun 1/25

9:05 am-5:58 am

1 stop20h 53m

Toronto Pearson Intl

Tue 1/27

12:30 pm-6:52 am

2 stops18h 22m

$271

AtlantaSudbury

ATL - YSB

ATLYSB

Atlanta Hartsfield-Jackson

Thu 1/15

12:55 pm-9:39 pm

2 stops8h 44m

Sudbury

Mon 1/19

9:45 am-9:53 pm

2 stops12h 08m

$749

AtlantaSudbury

ATL - YSB

ATLYSB

Atlanta Hartsfield-Jackson

Thu 1/15

12:55 pm-9:39 pm

2 stops8h 44m

Sudbury

Mon 1/19

9:45 am-9:53 pm

2 stops12h 08m

$760

AtlantaSudbury

ATL - YSB

ATLYSB

Atlanta Hartsfield-Jackson

Thu 1/15

12:55 pm-9:39 pm

2 stops8h 44m

Sudbury

Mon 1/19

9:45 am-9:43 pm

1 stop11h 58m

$855

AtlantaSudbury

ATL - YSB

ATLYSB

Atlanta Hartsfield-Jackson

Thu 1/15

12:55 pm-9:39 pm

2 stops8h 44m

Sudbury

Mon 1/19

9:45 am-9:43 pm

1 stop11h 58m

$866

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 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 $496.

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 $811. 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 $999. 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 $601. 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 $956.

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 $546 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 $440 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 25% 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

$267

Fastest flight time

2h 10m

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 $267. The best round-trip flight deal from Atlanta to Region of Ontario found on momondo in the last 72 hours is $610.
The fastest flight from Atlanta to Region of Ontario takes 2h 10m
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 Montreal Pierre Elliott Trudeau Intl (YUL), 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
10,534 reviews
Search Air Canada flights
United AirlinesPriceFrom $243Free CancellationRating
7.4
9,093 reviews
Search United Airlines flights
DeltaPriceFrom $260Free CancellationRating
7.9
8,009 reviews
Search Delta flights
WestJetPriceFrom $279Free CancellationRating
7.2
3,204 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.

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