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

There are many flights that can get you from Atlanta to Region of Ontario in 32h 23m. Fly via WestJet to get the fastest option. The distance from Atlanta to Region of Ontario is about 740 mi.

In terms of precipitation, rainfall in Region of Ontario ranges from 2.0 - 3.3 inches per month. June is typically the wettest month, when rainfall can reach 3.3 in. February is typically the driest time to visit Region of Ontario when rainfall is around 2.0 in.

If weather is an important factor for your trip to Region of Ontario, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 69.8 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 21.2 F).

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

Most travelers choose Atlanta Hartsfield-Jackson - Toronto Pearson Intl, Atlanta Hartsfield-Jackson - Montreal Pierre Elliott Trudeau Intl or Atlanta Hartsfield-Jackson - Toronto Island when deciding on the best route from Atlanta to Region of Ontario.

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

Looking at all options, your cheapest flight can be booked for $142. While the most popular route (Atlanta Hartsfield-Jackson - Toronto Pearson Intl) can be booked for $194 on average, our data indicates $1,045 when flying from Atlanta to Region of Ontario.

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

Before booking your flight to Region of Ontario from Atlanta, check out the most reliable airlines to get you to your destination on time: LATAM Airlines (91%), WestJet (89%), Jazz( 86%).

What are the most popular airlines that fly from Atlanta to Region of Ontario?

The most popular airlines flying from Atlanta to Region of Ontario are Air Canada, Delta and United Airlines. Something to consider prior to booking your flight.

What airport do you fly from for flights from Atlanta to Ontario?

Most people fly from Atlanta Hartsfield-Jackson (ATL) if they book a flight from Atlanta to Ontario. Atlanta Hartsfield-Jackson is conveniently located just 8.2 mi from Atlanta’s city center.

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.

$96+ Flights from Atlanta to Ontario

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Cheap flight deals from Atlanta to Ontario

Round-trip from	$271 (Kiwi.com)
One-way from	$96 (Kiwi.com)
Popular in	August
Cheapest in	January
Average price	$591
Good round-trip deal	$659 or less
Good one-way deal	$304 or less

From Atlanta Hartsfield-Jackson to Ontario

Search Deals

One-way flight from Atlanta Hartsfield-Jackson to Ontario

Search Deals

Highest demand for flights based on searches. 5% potential increase in price ($32 potential increase over avg. RT price).

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Cheapest flight prices on average. 1% potential price decrease ($7 potential savings vs. average RT price).

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Average for round-trip flights in September 2025

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Price to beat on a round-trip flight from Atlanta Hartsfield-Jackson to Ontario.

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Price to beat on a one-way flight from Atlanta Hartsfield-Jackson to Ontario.

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Find flight deals from Atlanta to Ontario

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 September 17, 2025.

Fri 10/32:15 pmATL - YYZ

1 stop7h 06mMultiple Airlines

Sun 10/54:00 pmYYZ - ATL

2 stops25h 13mMultiple Airlines

Deal found 9/15

$271

Thu 10/168:30 amATL - YYZ

1 stop10h 22mWestJet

Wed 10/2210:30 pmYYZ - ATL

1 stop14h 40mWestJet

Deal found 9/15

$272

Sun 10/196:20 pmATL - YYZ

1 stop11h 53mWestJet

Fri 10/248:00 pmYYZ - ATL

1 stop10h 50mWestJet

Deal found 9/16

$273

Thu 9/2510:00 pmATL - YYZ

1 stop23h 21mMultiple Airlines

Sun 10/56:30 amYYZ - ATL

1 stop25h 42mMultiple Airlines

Deal found 9/16

$274

Wed 10/158:30 amATL - YYZ

2 stops16h 01mWestJet

Sat 10/188:00 pmYYZ - ATL

1 stop10h 50mWestJet

Deal found 9/15

$276

Wed 10/13:36 pmATL - YYZ

1 stop8h 16mMultiple Airlines

Mon 10/61:30 pmYYZ - ATL

1 stop7h 50mMultiple Airlines

Deal found 9/16

$277

Sat 10/1111:54 amATL - YYZ

1 stop10h 26mMultiple Airlines

Tue 10/141:30 pmYYZ - ATL

1 stop25h 23mMultiple Airlines

Deal found 9/16

$278

Tue 9/3011:51 amATL - YYZ

1 stop11h 50mMultiple Airlines

Tue 10/77:15 amYYZ - ATL

1 stop8h 30mMultiple Airlines

Deal found 9/16

$279

Wed 10/111:54 amATL - YYZ

1 stop11h 58mMultiple Airlines

Wed 10/87:15 amYYZ - ATL

1 stop6h 53mMultiple Airlines

Deal found 9/15

$280

Tue 10/146:20 pmATL - YYZ

1 stop11h 53mWestJet

Tue 10/218:00 pmYYZ - ATL

1 stop10h 50mWestJet

Deal found 9/16

$281

Tue 9/2311:51 amATL - YYZ

1 stop11h 50mMultiple Airlines

Wed 10/19:50 amYYZ - ATL

1 stop10h 11mMultiple Airlines

Deal found 9/16

$282

Wed 10/299:14 amATL - YUL

1 stop7h 11mMultiple Airlines

Mon 11/310:35 amYUL - ATL

2 stops10h 08mMultiple Airlines

Deal found 9/15

$282

Best flights from Atlanta to Ontario
Discover carefully curated flight deals from Atlanta to Ontario that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated September 17, 2025.

Sat 11/14:15 pmATL - YYZ

2 stops32h 23mWestJet

Sat 11/810:50 pmYYZ - ATL

1 stop12h 59mWestJet

Deal found 9/16

$271

Tue 10/148:05 pmATL - YTZ

1 stop12h 25mMultiple Airlines

Tue 10/217:30 pmYTZ - ATL

1 stop13h 44mMultiple Airlines

Deal found 9/16

$295

Tue 10/1410:46 pmATL - YTZ

1 stop9h 44mMultiple Airlines

Fri 10/177:30 pmYTZ - ATL

1 stop13h 04mMultiple Airlines

Deal found 9/14

$297

Thu 10/302:48 pmATL - YTZ

1 stop5h 12mMultiple Airlines

Mon 11/37:40 pmYTZ - ATL

1 stop13h 28mMultiple Airlines

Deal found 9/15

$299

Tue 10/2110:46 pmATL - YTZ

1 stop9h 44mMultiple Airlines

Fri 10/247:30 pmYTZ - ATL

1 stop13h 04mMultiple Airlines

Deal found 9/15

$300

Sun 10/126:20 pmATL - YUL

1 stop12h 47mWestJet

Fri 10/176:40 pmYUL - ATL

Nonstop2h 59mWestJet

Deal found 9/16

$397

Wed 10/158:11 amATL - YTZ

1 stop8h 34mMultiple Airlines

Tue 10/217:45 amYTZ - ATL

1 stop6h 18mMultiple Airlines

Deal found 9/15

$302

Fri 10/310:38 amATL - YOW

2 stops13h 44mMultiple Airlines

Sun 10/53:50 pmYOW - ATL

1 stop16h 22mMultiple Airlines

Deal found 9/16

$302

Thu 10/167:52 amATL - YTZ

1 stop5h 48mMultiple Airlines

Wed 10/2212:50 pmYTZ - ATL

1 stop7h 51mMultiple Airlines

Deal found 9/15

$304

Wed 9/249:59 amATL - YYZ

1 stop6h 37mMultiple Airlines

Thu 10/26:30 amYYZ - ATL

1 stop8h 44mMultiple Airlines

Deal found 9/16

$307

Tue 10/147:40 amATL - YTZ

1 stop6h 00mMultiple Airlines

Wed 10/1512:00 pmYTZ - ATL

2 stops20h 13mMultiple Airlines

Deal found 9/16

$308

Fri 10/102:00 pmATL - YYZ

1 stop19h 57mMultiple Airlines

Mon 10/137:15 amYYZ - ATL

1 stop24h 21mMultiple Airlines

Deal found 9/16

$311

Sat 10/186:20 pmATL - YOW

2 stops18h 40mMultiple Airlines

Wed 10/223:50 pmYOW - ATL

1 stop16h 23mMultiple Airlines

Deal found 9/15

$312

Thu 10/237:52 amATL - YTZ

1 stop8h 53mMultiple Airlines

Mon 10/277:40 pmYTZ - ATL

1 stop13h 28mMultiple Airlines

Deal found 9/14

$314

Mon 10/207:32 amATL - YTZ

1 stop4h 45mMultiple Airlines

Tue 10/217:45 amYTZ - ATL

1 stop6h 18mMultiple Airlines

Deal found 9/15

$315

Sat 10/187:50 pmATL - YOW

1 stop21h 07mMultiple Airlines

Sat 10/254:25 pmYOW - ATL

1 stop7h 53mMultiple Airlines

Deal found 9/16

$315

Tue 10/147:40 amATL - YTZ

1 stop6h 00mMultiple Airlines

Wed 10/2212:50 pmYTZ - ATL

1 stop7h 51mMultiple Airlines

Deal found 9/15

$316

Wed 10/157:40 amATL - YUL

1 stop10h 15mMultiple Airlines

Wed 10/2210:45 amYUL - ATL

2 stops9h 56mMultiple Airlines

Deal found 9/16

$316

Mon 10/208:30 amATL - YOW

1 stop28h 30mMultiple Airlines

Wed 10/223:50 pmYOW - ATL

1 stop8h 32mMultiple Airlines

Deal found 9/16

$317

Mon 9/2910:29 pmATL - YYZ

1 stop25h 12mMultiple Airlines

Sun 10/56:30 amYYZ - ATL

1 stop25h 42mMultiple Airlines

Deal found 9/17

$318

Thu 10/167:52 amATL - YTZ

1 stop5h 48mMultiple Airlines

Sun 10/198:40 pmYTZ - ATL

1 stop10h 56mMultiple Airlines

Deal found 9/17

$319

Tue 10/147:48 amATL - YYZ

2 stops16h 55mMultiple Airlines

Wed 10/156:30 amYYZ - ATL

2 stops25h 06mMultiple Airlines

Deal found 9/16

$323

Tue 11/410:13 amATL - YOW

1 stop7h 12mMultiple Airlines

Wed 11/512:10 pmYOW - ATL

2 stops11h 27mMultiple Airlines

Deal found 9/17

$325

Wed 11/56:45 amATL - YUL

1 stop9h 40mMultiple Airlines

Wed 11/125:10 pmYUL - ATL

1 stop6h 27mMultiple Airlines

Deal found 9/15

$329

Tue 9/235:27 amATL - YYZ

1 stop11h 35mMultiple Airlines

Fri 10/39:50 amYYZ - ATL

1 stop10h 22mMultiple Airlines

Deal found 9/16

$333

Wed 9/249:59 amATL - YYZ

1 stop6h 37mMultiple Airlines

Fri 10/39:50 amYYZ - ATL

1 stop10h 22mMultiple Airlines

Deal found 9/16

$334

Thu 10/239:17 pmATL - YUL

3 stops27h 10mMultiple Airlines

Mon 10/2711:25 amYUL - ATL

3 stops12h 57mMultiple Airlines

Deal found 9/16

$341

Fri 10/245:15 pmATL - YUL

1 stop20h 55mMultiple Airlines

Sun 10/264:35 pmYUL - ATL

1 stop17h 15mMultiple Airlines

Deal found 9/16

$342

Mon 10/610:13 amATL - YOW

1 stop7h 07mMultiple Airlines

Sat 10/1111:50 amYOW - ATL

2 stops12h 49mMultiple Airlines

Deal found 9/15

$342

Wed 11/268:45 amATL - YYZ

2 stops15h 10mMultiple Airlines

Sun 11/308:00 pmYYZ - ATL

2 stops34h 52mMultiple Airlines

Deal found 9/14

$350

Last-minute flights from Atlanta to Ontario
Discover last-minute flight deals from Atlanta to Ontario. Data last updated September 17, 2025 and is based on user searches.

Tue 9/2311:51 amATL - YYZ

1 stop11h 50mMultiple Airlines

Wed 10/19:50 amYYZ - ATL

1 stop10h 11mMultiple Airlines

Deal found 9/16

$282

Thu 9/2510:00 pmATL - YYZ

1 stop23h 21mMultiple Airlines

Sun 10/56:30 amYYZ - ATL

1 stop25h 42mMultiple Airlines

Deal found 9/16

$274

Tue 9/3011:51 amATL - YYZ

1 stop11h 50mMultiple Airlines

Tue 10/77:15 amYYZ - ATL

1 stop8h 30mMultiple Airlines

Deal found 9/16

$279

Wed 10/13:36 pmATL - YYZ

1 stop8h 16mMultiple Airlines

Mon 10/61:30 pmYYZ - ATL

1 stop7h 50mMultiple Airlines

Deal found 9/16

$277

Wed 10/111:54 amATL - YYZ

1 stop11h 58mMultiple Airlines

Wed 10/87:15 amYYZ - ATL

1 stop6h 53mMultiple Airlines

Deal found 9/15

$280

Fri 10/32:15 pmATL - YYZ

1 stop7h 06mMultiple Airlines

Sun 10/54:00 pmYYZ - ATL

2 stops25h 13mMultiple Airlines

Deal found 9/15

$271

Sat 10/1111:54 amATL - YYZ

1 stop10h 26mMultiple Airlines

Tue 10/141:30 pmYYZ - ATL

1 stop25h 23mMultiple Airlines

Deal found 9/16

$278

Tue 10/146:20 pmATL - YYZ

1 stop11h 53mWestJet

Wed 10/228:00 pmYYZ - ATL

1 stop10h 50mWestJet

Deal found 9/16

$281

Wed 10/158:30 amATL - YYZ

2 stops16h 01mWestJet

Sat 10/188:00 pmYYZ - ATL

1 stop10h 50mWestJet

Deal found 9/15

$276

Thu 10/168:30 amATL - YYZ

1 stop10h 22mWestJet

Wed 10/2210:30 pmYYZ - ATL

1 stop14h 40mWestJet

Deal found 9/15

$272

Sun 10/196:20 pmATL - YYZ

1 stop11h 53mWestJet

Fri 10/248:00 pmYYZ - ATL

1 stop10h 50mWestJet

Deal found 9/16

$273

Sun 10/196:20 pmATL - YYZ

1 stop11h 53mWestJet

Tue 10/286:30 pmYYZ - ATL

1 stop12h 22mWestJet

Deal found 9/16

$275

One-way flights from Atlanta to Ontario
Search for one-way flight options from Atlanta to Ontario. Find affordable one-way fares based on user searches. Data last updated September 17, 2025.

Fri 10/179:09 amATL - YYZ

1 stop12h 12mMultiple Airlines

Deal found 9/16

$96

Mon 12/158:25 amATL - YYZ

1 stop13h 28mWestJet

Deal found 9/16

$100

Tue 12/169:05 amATL - YYZ

1 stop14h 34mWestJet

Deal found 9/16

$108

Wed 10/299:17 pmATL - YYZ

1 stop17h 23mMultiple Airlines

Deal found 9/16

$109

Sat 10/116:20 pmATL - YYZ

1 stop11h 53mWestJet

Deal found 9/16

$111

Thu 12/117:00 pmATL - YUL

1 stop21h 28mMultiple Airlines

Deal found 9/15

$111

Wed 10/298:45 amATL - YYZ

2 stops14h 53mWestJet

Deal found 9/16

$112

Fri 10/242:00 pmATL - YYZ

1 stop24h 12mWestJet

Deal found 9/16

$113

Sat 12/139:05 amATL - YYZ

1 stop14h 34mWestJet

Deal found 9/16

$114

Fri 10/310:38 amATL - YUL

2 stops13h 49mMultiple Airlines

Deal found 9/16

$115

Wed 10/19:20 pmATL - YYZ

1 stop16h 45mMultiple Airlines

Deal found 9/16

$118

Thu 9/257:36 pmATL - YYZ

1 stop25h 45mMultiple Airlines

Deal found 9/16

$119

Fly from

Fly to

Route

Depart

Return

Price

AtlantaToronto

ATL - YYZ

ATLYYZ

Atlanta Hartsfield-Jackson

Sat 11/1

4:15 pm-12:38 am

2 stops32h 23m

Toronto Pearson Intl

Sat 11/8

10:50 pm-11:49 am

1 stop12h 59m

$271

AtlantaToronto

ATL - YTZ

ATLYTZ

Atlanta Hartsfield-Jackson

Tue 10/14

8:05 pm-8:30 am

1 stop12h 25m

Toronto Island

Tue 10/21

7:30 pm-9:14 am

1 stop13h 44m

$295

AtlantaToronto

ATL - YTZ

ATLYTZ

Atlanta Hartsfield-Jackson

Tue 10/14

10:46 pm-8:30 am

1 stop9h 44m

Toronto Island

Fri 10/17

7:30 pm-8:34 am

1 stop13h 04m

$297

AtlantaToronto

ATL - YTZ

ATLYTZ

Atlanta Hartsfield-Jackson

Thu 10/30

2:48 pm-8:00 pm

1 stop5h 12m

Toronto Island

Mon 11/3

7:40 pm-9:08 am

1 stop13h 28m

$299

AtlantaToronto

ATL - YTZ

ATLYTZ

Atlanta Hartsfield-Jackson

Tue 10/21

10:46 pm-8:30 am

1 stop9h 44m

Toronto Island

Fri 10/24

7:30 pm-8:34 am

1 stop13h 04m

$300

AtlantaToronto

ATL - YTZ

ATLYTZ

Atlanta Hartsfield-Jackson

Wed 10/15

8:11 am-4:45 pm

1 stop8h 34m

Toronto Island

Tue 10/21

7:45 am-2:03 pm

1 stop6h 18m

$302

AtlantaOttawa

ATL - YOW

ATLYOW

Atlanta Hartsfield-Jackson

Fri 10/3

10:38 am-12:22 am

2 stops13h 44m

Ottawa

Sun 10/5

3:50 pm-8:12 am

1 stop16h 22m

$302

AtlantaToronto

ATL - YTZ

ATLYTZ

Atlanta Hartsfield-Jackson

Thu 10/16

7:52 am-1:40 pm

1 stop5h 48m

Toronto Island

Wed 10/22

12:50 pm-8:41 pm

1 stop7h 51m

$304

AtlantaToronto

ATL - YYZ

ATLYYZ

Atlanta Hartsfield-Jackson

Wed 9/24

9:59 am-4:36 pm

1 stop6h 37m

Toronto Pearson Intl

Thu 10/2

6:30 am-3:14 pm

1 stop8h 44m

$307

AtlantaToronto

ATL - YTZ

ATLYTZ

Atlanta Hartsfield-Jackson

Tue 10/14

7:40 am-1:40 pm

1 stop6h 00m

Toronto Island

Wed 10/15

12:00 pm-8:13 am

2 stops20h 13m

$308

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/16

Showing 1-10 of 58 results

...

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, January is the cheapest month in which you can book a flight from Atlanta to Region of Ontario (average of $243). Flying from Atlanta to Region of Ontario in August is currently the most expensive (average of $348). 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?

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Atlanta to Region of Ontario as you normally would.

Weekly flight availability from Atlanta to Region of Ontario

The most flights from ATL to CAON are scheduled on a Monday (29 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (19 on average).

Reviews of airlines servicing Ontario

See what other customers who have flown with Delta, United Airlines, and WestJet from Atlanta to Ontario have to say. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.

Delta

8.0

Very good

7,961 reviews

Reviews

1 / 20

2.0

Mediocre

Santiago,Apr 2024

ATL - JNB

Bad experience with the staff boarding the gate. I couldn’t board with my carry on, personal item and a funny bag. I had to put my passport inside my pockets and put the funny bag inside the personal item. Then after passing the staff pull out everything again.

Delta

8.0

Very good

7,961 reviews

Delta

8.0

Very good

7,961 reviews

Reviews

1 / 20

2.0

Mediocre

Santiago,Apr 2024

ATL - JNB

United Airlines

7.4

Good

8,926 reviews

Delta

8.0

Very good

7,961 reviews

Reviews

1 / 20

2.0

Mediocre

Santiago,Apr 2024

ATL - JNB

WestJet

7.2

Good

3,095 reviews

Delta

8.0

Very good

7,961 reviews

Reviews

1 / 20

2.0

Mediocre

Santiago,Apr 2024

ATL - JNB

Air Canada

7.1

Good

10,000 reviews

Delta

8.0

Very good

7,961 reviews

Reviews

1 / 20

2.0

Mediocre

Santiago,Apr 2024

ATL - JNB

Related info for your journey

What airport do you fly from for flights from Atlanta to Ontario?
Most people fly from Atlanta Hartsfield-Jackson (ATL) if they book a flight from Atlanta to Ontario. Atlanta Hartsfield-Jackson is conveniently located just 8.2 mi from Atlanta’s city center.
How long is the flight from Atlanta to Region of Ontario?
There are many flights that can get you from Atlanta to Region of Ontario in 32h 23m. Fly via WestJet to get the fastest option. The distance from Atlanta to Region of Ontario is about 740 mi.
What are the most popular routes from Atlanta to Region of Ontario?
Most travelers choose Atlanta Hartsfield-Jackson - Toronto Pearson Intl, Atlanta Hartsfield-Jackson - Montreal Pierre Elliott Trudeau Intl or Atlanta Hartsfield-Jackson - Toronto Island when deciding on the best route from Atlanta to Region of Ontario.
What are the most reliable airlines from Atlanta to Region of Ontario?
Before booking your flight to Region of Ontario from Atlanta, check out the most reliable airlines to get you to your destination on time: LATAM Airlines (91%), WestJet (89%), Jazz( 86%).
What are the cheapest flights from Atlanta to Region of Ontario?
Looking at all options, your cheapest flight can be booked for $142. While the most popular route (Atlanta Hartsfield-Jackson - Toronto Pearson Intl) can be booked for $194 on average, our data indicates $1,045 when flying from Atlanta to Region of Ontario.
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, January is the cheapest month in which you can book a flight from Atlanta to Region of Ontario (average of $243). Flying from Atlanta to Region of Ontario in August is currently the most expensive (average of $348). 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

Browse thousands of different options on Cheapflights for your next trip

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Complete your trip

Region of Ontario car rentals

Toronto Pearson Intl Airport car rentals

Ottawa Airport car rentals

Toronto Island Airport car rentals

Hamilton Airport car rentals

London Airport car rentals

Thunder Bay Airport car rentals

Toronto Region of Waterloo Intl Airport car rentals

Sault Ste Marie Airport car rentals

Timmins Airport car rentals

Kingston Airport car rentals

North Bay Airport car rentals

Top 4 airlines flying from Atlanta to Ontario

Airline	Cheapest	Average	Flexibility	On-time
Air Canada	Cheapest$240	Average$667	FlexibilityNo cancel fee	On-time67%
United Airlines	Cheapest$247	Average$702	FlexibilityNo cancel fee	On-time69%
Delta	Cheapest$258	Average$610	FlexibilityNo cancel fee	On-timeN/A
WestJet	Cheapest$265	Average$553	FlexibilityNo cancel fee	On-time60%

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$96+ Cheap flights from Atlanta (ATL) to Ontario

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 10/17. Fares are subject to change and may not be available on all flights or dates of travel.

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Cheap flight deals from Atlanta to Ontario

Keep the following information in mind while searching for Atlanta to Ontario flight deals. Data was last updated September 17, 2025.

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Find flight deals from Atlanta to Ontario

Cheapest flights from Atlanta to OntarioExplore 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 September 17, 2025.

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 September 17, 2025.

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Use the filters below to find and compare flights from Atlanta to Ontario that are best for you.

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.

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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?

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 September 17, 2025.

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 September 17, 2025.

Reviews of airlines servicing Ontario

See what other customers who have flown with Delta, United Airlines, and WestJet from Atlanta to Ontario have to say. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.

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?

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

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

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

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

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

How can I find direct flights from Atlanta to Ontario?

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

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

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Alternative routes for Atlanta to Ontario

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Top 4 airlines flying from Atlanta to Ontario

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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 September 17, 2025.