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 10h 58m. 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 $134. While the most popular route (Atlanta Hartsfield-Jackson - Toronto Pearson Intl) can be booked for $190 on average, our data indicates $1,067 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: Air Canada (93%), United Airlines (92%), Jazz( 91%).

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 Delta, Air Canada and WestJet. 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.

$72+ Flights from Atlanta to Ontario

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

Airfare is below average for this route at the moment. Atlanta to Region of Ontario flights typically cost between $300 and $790 in December. The cheapest round-trip price found within the last 3 days was $250 on Multiple Airlines (Dec 11-Dec 17).

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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 October 27, 2025.

Fri 12/129:01 amATL - YOW

1 stop15h 24mMultiple Airlines

Sun 12/144:20 pmYOW - ATL

3 stops28h 32mMultiple Airlines

Deal found 10/24

$222

Fri 12/510:46 pmATL - YYZ

1 stop15h 34mMultiple Airlines

Mon 12/85:15 pmYYZ - ATL

1 stop28h 11mMultiple Airlines

Deal found 10/25

$251

Fri 11/2812:40 pmATL - YYZ

1 stop19h 58mWestJet

Mon 12/16:30 pmYYZ - ATL

1 stop12h 42mWestJet

Deal found 10/25

$253

Wed 11/1211:16 amATL - YYZ

2 stops27h 24mMultiple Airlines

Fri 11/147:00 amYYZ - ATL

2 stops12h 00mMultiple Airlines

Deal found 10/26

$255

Thu 11/208:25 amATL - YYZ

1 stop13h 28mWestJet

Mon 11/246:30 pmYYZ - ATL

1 stop12h 42mWestJet

Deal found 10/25

$256

Fri 11/2112:40 pmATL - YYZ

1 stop10h 58mWestJet

Mon 11/246:30 pmYYZ - ATL

1 stop12h 42mWestJet

Deal found 10/25

$258

Wed 11/191:58 pmATL - YYZ

1 stop24h 42mMultiple Airlines

Mon 11/247:00 amYYZ - ATL

1 stop24h 47mMultiple Airlines

Deal found 10/26

$260

Wed 12/2410:50 pmATL - YOW

1 stop18h 20mMultiple Airlines

Wed 12/317:00 amYOW - ATL

1 stop8h 19mMultiple Airlines

Deal found 10/26

$260

Thu 11/208:25 amATL - YYZ

1 stop13h 28mWestJet

Thu 12/410:50 pmYYZ - ATL

1 stop12h 59mWestJet

Deal found 10/26

$261

Sun 11/2312:40 pmATL - YYZ

1 stop10h 58mWestJet

Tue 11/2510:50 pmYYZ - ATL

1 stop12h 59mWestJet

Deal found 10/24

$262

Fri 11/284:15 pmATL - YYZ

2 stops16h 23mMultiple Airlines

Tue 12/27:15 amYYZ - ATL

1 stop10h 33mMultiple Airlines

Deal found 10/26

$263

Wed 12/105:12 pmATL - YYZ

2 stops21h 28mMultiple Airlines

Wed 12/177:10 amYYZ - ATL

1 stop14h 49mMultiple Airlines

Deal found 10/26

$265

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 October 27, 2025.

Fri 12/129:01 amATL - YOW

1 stop15h 24mMultiple Airlines

Sun 12/144:20 pmYOW - ATL

3 stops28h 32mMultiple Airlines

Deal found 10/24

$222

Fri 11/2112:40 pmATL - YYZ

1 stop10h 58mWestJet

Mon 11/246:30 pmYYZ - ATL

1 stop12h 42mWestJet

Deal found 10/25

$258

Tue 3/106:35 pmATL - YOW

1 stop15h 51mUnited Airlines

Wed 3/112:15 pmYOW - ATL

1 stop5h 01mUnited Airlines

Deal found 10/24

$334

Thu 11/208:25 amATL - YYZ

1 stop13h 28mWestJet

Thu 12/410:50 pmYYZ - ATL

1 stop12h 59mWestJet

Deal found 10/26

$261

Wed 11/2612:40 pmATL - YYZ

1 stop11h 15mMultiple Airlines

Sat 11/295:45 pmYYZ - ATL

1 stop18h 04mMultiple Airlines

Deal found 10/26

$268

Wed 11/2612:40 pmATL - YYZ

1 stop19h 58mWestJet

Fri 11/286:30 pmYYZ - ATL

1 stop12h 42mWestJet

Deal found 10/26

$267

Thu 11/272:59 pmATL - YYZ

1 stop9h 12mMultiple Airlines

Sat 11/2910:50 pmYYZ - ATL

1 stop12h 59mMultiple Airlines

Deal found 10/26

$272

Wed 4/151:10 pmATL - YSB

1 stop6h 11mAir Canada

Sun 4/193:55 pmYSB - ATL

1 stop5h 46mAir Canada

Deal found 10/24

$701

Sat 11/158:34 pmATL - YTZ

1 stop17h 08mMultiple Airlines

Sun 11/167:40 pmYTZ - ATL

1 stop25h 43mMultiple Airlines

Deal found 10/25

$290

Sat 12/138:25 amATL - YYZ

1 stop13h 28mWestJet

Mon 12/156:30 pmYYZ - ATL

1 stop12h 42mWestJet

Deal found 10/26

$299

Tue 12/99:57 pmATL - YYZ

1 stop13h 46mMultiple Airlines

Tue 12/167:10 amYYZ - ATL

3 stops14h 49mMultiple Airlines

Deal found 10/25

$300

Fri 11/284:15 pmATL - YYZ

2 stops13h 43mWestJet

Wed 12/31:30 pmYYZ - ATL

2 stops17h 42mWestJet

Deal found 10/26

$307

Mon 11/241:44 pmATL - YYZ

1 stop5h 51mMultiple Airlines

Mon 12/15:15 pmYYZ - ATL

1 stop20h 24mMultiple Airlines

Deal found 10/25

$300

Mon 12/85:30 amATL - YUL

1 stop10h 53mMultiple Airlines

Mon 12/156:45 amYUL - ATL

2 stops14h 49mMultiple Airlines

Deal found 10/26

$304

Fri 12/55:30 amATL - YUL

2 stops12h 55mMultiple Airlines

Mon 12/88:00 amYUL - ATL

1 stop12h 52mMultiple Airlines

Deal found 10/25

$304

Thu 11/203:37 pmATL - YTZ

1 stop5h 38mMultiple Airlines

Sun 11/232:30 pmYTZ - ATL

1 stop18h 52mMultiple Airlines

Deal found 10/26

$305

Fri 12/510:42 pmATL - YTZ

1 stop11h 53mMultiple Airlines

Mon 12/86:15 pmYTZ - ATL

1 stop6h 51mMultiple Airlines

Deal found 10/25

$310

Mon 12/89:01 amATL - YUL

1 stop7h 22mMultiple Airlines

Sat 12/138:00 amYUL - ATL

1 stop12h 52mMultiple Airlines

Deal found 10/26

$312

Mon 12/225:40 amATL - YOW

1 stop11h 33mMultiple Airlines

Wed 12/317:00 amYOW - ATL

1 stop8h 19mMultiple Airlines

Deal found 10/26

$312

Fri 1/164:17 pmATL - YOW

1 stop8h 08mMultiple Airlines

Mon 1/194:15 pmYOW - ATL

1 stop15h 33mMultiple Airlines

Deal found 10/25

$312

Thu 11/139:20 amATL - YTZ

2 stops9h 37mMultiple Airlines

Sun 11/167:40 pmYTZ - ATL

1 stop13h 00mMultiple Airlines

Deal found 10/26

$321

Tue 12/912:41 pmATL - YTZ

1 stop7h 19mMultiple Airlines

Tue 12/167:40 pmYTZ - ATL

1 stop5h 26mMultiple Airlines

Deal found 10/25

$327

Fri 11/2810:05 pmATL - YTZ

1 stop12h 30mMultiple Airlines

Sat 12/62:05 pmYTZ - ATL

2 stops9h 37mMultiple Airlines

Deal found 10/26

$327

Thu 11/139:26 amATL - YTZ

1 stop9h 31mMultiple Airlines

Thu 11/207:40 pmYTZ - ATL

1 stop13h 20mMultiple Airlines

Deal found 10/26

$331

Wed 12/1012:41 pmATL - YTZ

1 stop7h 19mMultiple Airlines

Sun 1/43:45 pmYTZ - ATL

1 stop16h 36mMultiple Airlines

Deal found 10/26

$332

Wed 12/1012:41 pmATL - YTZ

1 stop7h 19mMultiple Airlines

Wed 12/172:05 pmYTZ - ATL

2 stops11h 01mMultiple Airlines

Deal found 10/26

$332

Mon 12/223:08 pmATL - YOW

1 stop8h 50mMultiple Airlines

Thu 1/14:55 pmYOW - ATL

1 stop16h 23mMultiple Airlines

Deal found 10/26

$335

Thu 12/115:45 amATL - YTZ

1 stop4h 50mMultiple Airlines

Tue 1/136:15 pmYTZ - ATL

1 stop5h 22mMultiple Airlines

Deal found 10/26

$336

Thu 2/196:45 amATL - YUL

2 stops9h 45mMultiple Airlines

Tue 2/248:00 amYUL - ATL

1 stop27h 28mMultiple Airlines

Deal found 10/26

$340

Sat 11/2210:06 pmATL - YUL

1 stop18h 19mMultiple Airlines

Sun 11/304:35 pmYUL - ATL

1 stop29h 25mMultiple Airlines

Deal found 10/26

$345

Last-minute flights from Atlanta to Ontario
Discover last-minute flight deals from Atlanta to Ontario. Data last updated October 27, 2025 and is based on user searches.

Sat 11/88:23 amATL - YOW

1 stop8h 50mMultiple Airlines

Tue 11/114:15 pmYOW - ATL

1 stop16h 43mMultiple Airlines

Deal found 10/26

$269

Wed 11/1211:16 amATL - YYZ

2 stops27h 24mMultiple Airlines

Fri 11/147:00 amYYZ - ATL

2 stops12h 00mMultiple Airlines

Deal found 10/26

$255

Wed 11/191:58 pmATL - YYZ

1 stop24h 42mMultiple Airlines

Mon 11/247:00 amYYZ - ATL

1 stop24h 47mMultiple Airlines

Deal found 10/26

$260

Thu 11/208:25 amATL - YYZ

1 stop13h 28mWestJet

Mon 11/246:30 pmYYZ - ATL

1 stop12h 42mWestJet

Deal found 10/25

$256

Thu 11/208:25 amATL - YYZ

1 stop13h 28mWestJet

Thu 12/410:50 pmYYZ - ATL

1 stop12h 59mWestJet

Deal found 10/26

$261

Thu 11/208:25 amATL - YYZ

1 stop13h 28mWestJet

Thu 11/2710:50 pmYYZ - ATL

1 stop12h 59mWestJet

Deal found 10/26

$266

Fri 11/2112:40 pmATL - YYZ

1 stop10h 58mWestJet

Mon 11/246:30 pmYYZ - ATL

1 stop12h 42mWestJet

Deal found 10/25

$258

Sun 11/2312:40 pmATL - YYZ

1 stop10h 58mWestJet

Tue 11/2510:50 pmYYZ - ATL

1 stop12h 59mWestJet

Deal found 10/24

$262

Wed 11/2612:40 pmATL - YYZ

1 stop19h 58mWestJet

Fri 11/286:30 pmYYZ - ATL

1 stop12h 42mWestJet

Deal found 10/26

$267

Wed 11/2612:40 pmATL - YYZ

1 stop11h 15mMultiple Airlines

Sat 11/295:45 pmYYZ - ATL

1 stop18h 04mMultiple Airlines

Deal found 10/26

$268

Fri 11/2812:40 pmATL - YYZ

1 stop19h 58mWestJet

Mon 12/16:30 pmYYZ - ATL

1 stop12h 42mWestJet

Deal found 10/25

$253

Fri 11/284:15 pmATL - YYZ

2 stops16h 23mMultiple Airlines

Tue 12/27:15 amYYZ - ATL

1 stop10h 33mMultiple Airlines

Deal found 10/26

$263

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 October 27, 2025.

Wed 1/218:46 pmATL - YYZ

1 stop17h 34mMultiple Airlines

Deal found 10/25

$72

Thu 1/223:55 pmATL - YYZ

1 stop7h 25mMultiple Airlines

Deal found 10/26

$84

Wed 12/109:57 pmATL - YYZ

1 stop16h 43mMultiple Airlines

Deal found 10/25

$89

Fri 1/2310:46 pmATL - YYZ

1 stop15h 34mMultiple Airlines

Deal found 10/26

$95

Wed 11/127:05 pmATL - YYZ

1 stop19h 35mMultiple Airlines

Deal found 10/26

$97

Wed 12/245:15 amATL - YYZ

1 stop18h 05mMultiple Airlines

Deal found 10/26

$101

Wed 11/1912:40 pmATL - YYZ

1 stop11h 15mMultiple Airlines

Deal found 10/25

$108

Thu 12/48:25 amATL - YYZ

2 stops15h 14mWestJet

Deal found 10/25

$109

Sat 11/110:43 pmATL - YYZ

1 stop16h 37mMultiple Airlines

Deal found 10/25

$110

Mon 12/2910:50 pmATL - YTZ

2 stops23h 13mMultiple Airlines

Deal found 10/26

$111

Wed 11/2612:40 pmATL - YYZ

1 stop11h 15mMultiple Airlines

Deal found 10/26

$112

Sun 1/258:37 amATL - YUL

2 stops11h 37mMultiple Airlines

Deal found 10/26

$112

Cheap flight deals from Atlanta to Ontario

Most accurate provider	Mytrip 3 stars
Most trusted provider	Mytrip 3 stars
Round-trip from	$222 (Mytrip)
One-way from	$72 (Kiwi.com)
Popular in	August
Cheapest in	January
Average price	$561
Good round-trip deal	$468 or less
Good one-way deal	$321 or less

Provider with most accurate pricing for Atlanta Hartsfield-Jackson-Toronto (YTO) flight deals.

Search Deals

Provider most trusted by Cheapflights users for Atlanta Hartsfield-Jackson-Toronto (YTO) flights.

Search Deals

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. 2% potential increase in price ($14 potential increase over avg. RT price).

Search Deals

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

Search Deals

Average for round-trip flights in October 2025

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

Fly from

Fly to

Route

Depart

Return

Price

AtlantaOttawa

ATL - YOW

ATLYOW

Atlanta Hartsfield-Jackson

Fri 12/12

9:01 am-12:25 am

1 stop15h 24m

Ottawa

Sun 12/14

4:20 pm-8:52 pm

3 stops28h 32m

$222

AtlantaToronto

ATL - YYZ

ATLYYZ

Atlanta Hartsfield-Jackson

Fri 11/21

12:40 pm-11:38 pm

1 stop10h 58m

Toronto Pearson Intl

Mon 11/24

6:30 pm-7:12 am

1 stop12h 42m

$258

AtlantaToronto

ATL - YYZ

ATLYYZ

Atlanta Hartsfield-Jackson

Thu 11/20

8:25 am-9:53 pm

1 stop13h 28m

Toronto Pearson Intl

Thu 12/4

10:50 pm-11:49 am

1 stop12h 59m

$261

AtlantaToronto

ATL - YYZ

ATLYYZ

Atlanta Hartsfield-Jackson

Wed 11/26

12:40 pm-8:38 am

1 stop19h 58m

Toronto Pearson Intl

Fri 11/28

6:30 pm-7:12 am

1 stop12h 42m

$267

AtlantaToronto

ATL - YYZ

ATLYYZ

Atlanta Hartsfield-Jackson

Wed 11/26

12:40 pm-11:55 pm

1 stop11h 15m

Toronto Pearson Intl

Sat 11/29

5:45 pm-11:49 am

1 stop18h 04m

$268

AtlantaToronto

ATL - YYZ

ATLYYZ

Atlanta Hartsfield-Jackson

Thu 11/27

2:59 pm-12:11 am

1 stop9h 12m

Toronto Pearson Intl

Sat 11/29

10:50 pm-11:49 am

1 stop12h 59m

$272

AtlantaToronto

ATL - YTZ

ATLYTZ

Atlanta Hartsfield-Jackson

Sat 11/15

8:34 pm-1:42 pm

1 stop17h 08m

Toronto Island

Sun 11/16

7:40 pm-9:23 pm

1 stop25h 43m

$290

AtlantaToronto

ATL - YYZ

ATLYYZ

Atlanta Hartsfield-Jackson

Sat 12/13

8:25 am-9:53 pm

1 stop13h 28m

Toronto Pearson Intl

Mon 12/15

6:30 pm-7:12 am

1 stop12h 42m

$299

AtlantaToronto

ATL - YYZ

ATLYYZ

Atlanta Hartsfield-Jackson

Tue 12/9

9:57 pm-11:43 am

1 stop13h 46m

Toronto Pearson Intl

Tue 12/16

7:10 am-9:59 pm

3 stops14h 49m

$300

AtlantaToronto

ATL - YYZ

ATLYYZ

Atlanta Hartsfield-Jackson

Mon 11/24

1:44 pm-7:35 pm

1 stop5h 51m

Toronto Pearson Intl

Mon 12/1

5:15 pm-1:39 pm

1 stop20h 24m

$300

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/25

Showing 1-10 of 60 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, June is the cheapest month in which you can book a flight from Atlanta to Region of Ontario (average of $99). Flying from Atlanta to Region of Ontario in October is currently the most expensive (average of $296). 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?

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 at noon, which can drop the price by up to 16% versus a flight in the morning.

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

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

Weekly flight availability from Atlanta to Region of Ontario

The most flights from ATL to CAON are scheduled on a Sunday (24 on average). You will have fewer flight options on Tuesday, which is when the least amount of flights are scheduled (11 on average).

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

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

7.9

Good

7,996 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

7.9

Good

7,996 reviews

Delta

7.9

Good

7,996 reviews

Reviews

1 / 20

2.0

Mediocre

Santiago,Apr 2024

ATL - JNB

United Airlines

7.4

Good

8,999 reviews

Delta

7.9

Good

7,996 reviews

Reviews

1 / 20

2.0

Mediocre

Santiago,Apr 2024

ATL - JNB

WestJet

7.2

Good

3,147 reviews

Delta

7.9

Good

7,996 reviews

Reviews

1 / 20

2.0

Mediocre

Santiago,Apr 2024

ATL - JNB

Air Canada

7.1

Good

10,367 reviews

Delta

7.9

Good

7,996 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 10h 58m. 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: Air Canada (93%), United Airlines (92%), Jazz( 91%).
What are the cheapest flights from Atlanta to Region of Ontario?
Looking at all options, your cheapest flight can be booked for $134. While the most popular route (Atlanta Hartsfield-Jackson - Toronto Pearson Intl) can be booked for $190 on average, our data indicates $1,067 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, June is the cheapest month in which you can book a flight from Atlanta to Region of Ontario (average of $99). Flying from Atlanta to Region of Ontario in October is currently the most expensive (average of $296). 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

Alternative routes for Atlanta to Ontario

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Complete your trip

Region of Ontario car rentals

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North Bay Airport car rentals

Top 4 airlines flying from Atlanta to Ontario

Airline	Cheapest	Average	Flexibility	On-time
Air Canada	Cheapest$242	Average$667	FlexibilityNo cancel fee	On-time67%
United Airlines	Cheapest$247	Average$699	FlexibilityNo cancel fee	On-time69%
Delta	Cheapest$260	Average$602	FlexibilityNo cancel fee	On-timeN/A
WestJet	Cheapest$265	Average$544	FlexibilityNo cancel fee	On-time60%

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$72+ 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 1/21. Fares are subject to change and may not be available on all flights or dates of travel.

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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 October 27, 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 October 27, 2025.

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 October 27, 2025.

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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.

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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 October 27, 2025.

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 December 16, 2024.

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 October 27, 2025.

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

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?

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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 October 27, 2025.