HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Ontario

$82+ 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 3/26. Fares are subject to change and may not be available on all flights or dates of travel.
ATL — YYZ
Dec 29 — Jan 51
Sun 12/29
Sun 1/5
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Atlanta to Ontario with Cheapflights

1. Tell us where you want to go
Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”
2. Select your favorite providers
We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.
3. Compare prices and book
Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

Cheap flight deals from Atlanta to Ontario

Discover tips and strategies to find the most affordable flight options for your journey from Atlanta (ATL) to Ontario (CAON). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated December 24, 2024.

Round-trip from

$244
(Kiwi.com)

One-way from

$82
(Kiwi.com)
From Atlanta Hartsfield-Jackson to Ontario
Search Deals
One-way flight from Atlanta Hartsfield-Jackson to Ontario
Search Deals

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 December 24, 2024.

This Kiwi.com deal was found by Cheapflights users on 12/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/286:40 amATL - YYZ
1 stop18h 02mMultiple Airlines
Thu 1/27:10 amYYZ - ATL
1 stop10h 43mMultiple Airlines
Deal found 12/23$435
This Kiwi.com deal was found by Cheapflights users on 12/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/296:25 amATL - YUL
1 stop8h 30mMultiple Airlines
Sat 1/44:00 pmYUL - ATL
2 stops8h 44mMultiple Airlines
Deal found 12/23$445
This Mytrip deal was found by Cheapflights users on 12/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/3111:49 amATL - YTZ
1 stop6h 11mMultiple Airlines
Sat 1/42:00 pmYTZ - ATL
1 stop10h 38mMultiple Airlines
Deal found 12/24$509
This American Airlines deal was found by Cheapflights users on 12/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/244:58 pmATL - YUL
2 stops19h 22mAmerican Airlines
Tue 1/710:54 amYUL - ATL
2 stops11h 10mAmerican Airlines
Deal found 12/23$776
This American Airlines deal was found by Cheapflights users on 12/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/3111:07 amATL - YYZ
1 stop12h 42mAmerican Airlines
Sun 1/56:15 amYYZ - ATL
1 stop6h 45mAmerican Airlines
Deal found 12/23$800
This Trip.com deal was found by Cheapflights users on 12/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/319:45 pmATL - YYZ
Nonstop2h 08mWestJet
Sun 1/510:45 pmYYZ - ATL
1 stop13h 04mWestJet
Deal found 12/24$829
This Justfly.com deal was found by Cheapflights users on 12/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/319:23 pmATL - YUL
Nonstop2h 35mWestJet
Mon 1/61:30 pmYUL - ATL
1 stop22h 19mWestJet
Deal found 12/23$831
This Delta deal was found by Cheapflights users on 12/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/2512:15 pmATL - YYZ
1 stop7h 46mDelta
Mon 1/66:15 amYYZ - ATL
1 stop9h 16mDelta
Deal found 12/24$907
This United Airlines deal was found by Cheapflights users on 12/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/315:30 amATL - YUL
2 stops11h 35mUnited Airlines
Mon 1/66:30 pmYUL - ATL
Nonstop3h 12mUnited Airlines
Deal found 12/23$947
This United deal was found by Cheapflights users on 12/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/2710:09 amATL - YYZ
1 stop5h 57mUnited Airlines
Mon 1/68:55 pmYYZ - ATL
2 stops13h 24mUnited Airlines
Deal found 12/23$968
This United deal was found by Cheapflights users on 12/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/276:30 amATL - YOW
2 stops15h 07mUnited Airlines
Tue 12/315:30 amYOW - ATL
1 stop5h 31mUnited Airlines
Deal found 12/24$988
This Booking.com deal was found by Cheapflights users on 12/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/2311:05 amATL - YUL
1 stop6h 14mAir Canada
Mon 12/306:00 amYUL - ATL
1 stop15h 50mAir Canada
Deal found 12/22$1,082

Find flights from Atlanta to Ontario within your budget

Customize your flight search to find flights from Atlanta to 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, Cheapflights users made 2,558,603 searches. Data last updated December 24, 2024.

Fly from

Any airport

Fly to

Any airport

Route

Depart

Return

Price

AtlantaMontreal

ATL - YUL

ATLYUL

Atlanta Hartsfield-Jackson

Wed 2/5

6:15 am-2:55 pm

1 stop8h 40m

Montreal Pierre Elliott Trudeau Intl

Tue 2/11

6:45 am-9:08 pm

2 stops14h 23m

$237

AtlantaToronto

ATL - YYZ

ATLYYZ

Atlanta Hartsfield-Jackson

Thu 1/23

6:12 pm-11:53 pm

1 stop5h 41m

Toronto Pearson Intl

Sat 1/25

7:10 am-6:14 pm

2 stops11h 04m

$286

AtlantaToronto

ATL - YTZ

ATLYTZ

Atlanta Hartsfield-Jackson

Sun 2/16

6:00 am-4:48 pm

2 stops10h 48m

Toronto Island

Fri 2/28

4:35 pm-12:42 am

1 stop8h 07m

$288

AtlantaToronto

ATL - YYZ

ATLYYZ

Atlanta Hartsfield-Jackson

Fri 1/17

12:45 pm-11:34 pm

1 stop10h 49m

Toronto Pearson Intl

Sun 1/19

7:00 pm-7:06 am

1 stop12h 06m

$289

AtlantaOttawa

ATL - YOW

ATLYOW

Atlanta Hartsfield-Jackson

Thu 2/20

7:00 am-3:55 pm

1 stop8h 55m

Ottawa

Tue 2/25

8:10 pm-7:06 am

1 stop10h 56m

$311

AtlantaToronto

ATL - YYZ

ATLYYZ

Atlanta Hartsfield-Jackson

Thu 1/9

7:30 am-4:11 pm

1 stop8h 41m

Toronto Pearson Intl

Mon 1/13

6:15 am-3:31 pm

1 stop9h 16m

$401

AtlantaMontreal

ATL - YUL

ATLYUL

Atlanta Hartsfield-Jackson

Sun 2/2

7:30 am-4:22 pm

1 stop8h 52m

Montreal Pierre Elliott Trudeau Intl

Tue 2/11

6:00 am-5:36 pm

1 stop11h 36m

$411

AtlantaMontreal

ATL - YUL

ATLYUL

Atlanta Hartsfield-Jackson

Mon 3/10

8:30 am-12:30 pm

3 stops28h 00m

Montreal Pierre Elliott Trudeau Intl

Fri 3/14

1:30 pm-7:06 am

3 stops17h 36m

$418

AtlantaMontreal

ATL - YUL

ATLYUL

Atlanta Hartsfield-Jackson

Thu 1/16

5:33 am-11:25 pm

2 stops17h 52m

Montreal Pierre Elliott Trudeau Intl

Sun 1/19

6:00 am-7:45 pm

2 stops13h 45m

$444

AtlantaOttawa

ATL - YOW

ATLYOW

Atlanta Hartsfield-Jackson

Fri 3/14

9:05 am-7:19 pm

1 stop10h 14m

Ottawa

Tue 3/18

8:10 pm-7:06 am

1 stop10h 56m

$462

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/23

Showing 1-10 of 34 results
1
2
3
4

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.

Travel insights for flights from Atlanta to Ontario

Get recent, data-driven insights about flights from Atlanta to Ontario including ideal travel times, pricing trends, and more.

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 July is currently the most expensive (average of $359). 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?

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 December 24, 2024.

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

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 December 24, 2024.

The most flights from ATL to CAON are scheduled on a Monday (19 on average). You will have fewer flight options on Tuesday, which is when the least amount of flights are scheduled (11 on average).

Rainfall in Ontario by month

Plan your trip to Ontario by taking into account the average rainfall totals by month.

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.

Temperature in Ontario by month

Plan your trip to Ontario by taking into account the average temperature totals by month.

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).

Reviews of airlines servicing Ontario

Get insights into the airlines that provide service to Ontario. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Ontario. Reviews last updated December 24, 2024.
Read through reviews of airlines operating flights from Atlanta to Ontario, such as United Airlines, Air Canada and Delta. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Alaska Airlines
8.0
Very good
9,555 reviews

Boarding

8.2

Entertainment

7.1

Food

7.2

Overall

8.0

Comfort

7.9

Crew

8.5

Reviews

1 / 10

Things were good, crew was good. It was just the flight itself was very rough. Lots of turbulence, probably one of the shakiest flights I've been on. Kids throwing up, kids crying everywhere because of it.

Alaska Airlines
8.0
Very good
9,555 reviews
Alaska Airlines
8.0
Very good
9,555 reviews

Boarding

8.2

Entertainment

7.1

Food

7.2

Overall

8.0

Comfort

7.9

Crew

8.5

Reviews

1 / 10

Things were good, crew was good. It was just the flight itself was very rough. Lots of turbulence, probably one of the shakiest flights I've been on. Kids throwing up, kids crying everywhere because of it.

Delta
8.0
Very good
8,580 reviews
Alaska Airlines
8.0
Very good
9,555 reviews

Boarding

8.2

Entertainment

7.1

Food

7.2

Overall

8.0

Comfort

7.9

Crew

8.5

Reviews

1 / 10

Things were good, crew was good. It was just the flight itself was very rough. Lots of turbulence, probably one of the shakiest flights I've been on. Kids throwing up, kids crying everywhere because of it.

United Airlines
7.4
Good
9,009 reviews
Alaska Airlines
8.0
Very good
9,555 reviews

Boarding

8.2

Entertainment

7.1

Food

7.2

Overall

8.0

Comfort

7.9

Crew

8.5

Reviews

1 / 10

Things were good, crew was good. It was just the flight itself was very rough. Lots of turbulence, probably one of the shakiest flights I've been on. Kids throwing up, kids crying everywhere because of it.

WestJet
7.3
Good
2,816 reviews
Alaska Airlines
8.0
Very good
9,555 reviews

Boarding

8.2

Entertainment

7.1

Food

7.2

Overall

8.0

Comfort

7.9

Crew

8.5

Reviews

1 / 10

Things were good, crew was good. It was just the flight itself was very rough. Lots of turbulence, probably one of the shakiest flights I've been on. Kids throwing up, kids crying everywhere because of it.

American Airlines
7.2
Good
10,000 reviews
Alaska Airlines
8.0
Very good
9,555 reviews

Boarding

8.2

Entertainment

7.1

Food

7.2

Overall

8.0

Comfort

7.9

Crew

8.5

Reviews

1 / 10

Things were good, crew was good. It was just the flight itself was very rough. Lots of turbulence, probably one of the shakiest flights I've been on. Kids throwing up, kids crying everywhere because of it.

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?

    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.

  • What are the cheapest airlines to fly from Atlanta to Region of Ontario one-way?

    One-way options have recently been found by users for as low as $104 on WestJet. Other airlines that offer cheap prices include Delta from $174 and United Airlines from $232 one-way.

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

    Most travelers choose Atlanta Hartsfield-Jackson - Montreal Pierre Elliott Trudeau Intl, Atlanta Hartsfield-Jackson - Toronto Pearson 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: Jazz (88%), ITA Airways (83%), United Airlines( 81%).

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

    Looking at all options, your cheapest flight can be booked for $190. While the most popular route (Atlanta Hartsfield-Jackson - Montreal Pierre Elliott Trudeau Intl) can be booked for $261 on average our data indicates $1,920 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 July is currently the most expensive (average of $359). 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

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Atlanta to Ontario

See prices for flight routes from nearby airports that may be better suited for you.
Atlanta to Vancouver Intl flights
Atlanta to Pierre Elliott Trudeau Intl flights
Atlanta to Calgary flights
Atlanta to Pearson Intl flights
Atlanta to Abbotsford flights
Jacksonville to Vancouver Intl flights
Atlanta to Toronto Island flights
Atlanta to Edmonton flights
Atlanta to Winnipeg flights
Atlanta to Québec City flights
Asheville to Pearson Intl flights
Jacksonville to Pearson Intl flights
Atlanta to Yellowknife flights
Chattanooga to Pearson Intl flights
Asheville to Vancouver Intl flights
Jacksonville to Pierre Elliott Trudeau Intl flights
Jacksonville to Calgary flights
Atlanta to Halifax flights
Tallahassee to Vancouver Intl flights
Jacksonville to Québec City flights
Atlanta to Ottawa flights
Atlanta to Victoria flights
Savannah to Vancouver Intl flights
Asheville to Québec City flights
Atlanta to St. John's flights
Jacksonville to Halifax flights
Savannah to Pearson Intl flights
Atlanta to Kelowna flights
Augusta to Pearson Intl flights
Tallahassee to Pearson Intl flights
Jacksonville to Toronto Island flights
Atlanta to Kamloops flights
Atlanta to Saskatoon flights
Savannah to Pierre Elliott Trudeau Intl flights
Jacksonville to Victoria flights
Asheville to Halifax flights
Jacksonville to Ottawa flights
Brunswick to Pierre Elliott Trudeau Intl flights
Augusta to Pierre Elliott Trudeau Intl flights
Augusta to St. John's flights
Atlanta to Fredericton flights
Chattanooga to Edmonton flights
Jacksonville to Winnipeg flights
Jacksonville to St. John's flights
Tallahassee to Pierre Elliott Trudeau Intl flights
Valdosta to Pearson Intl flights
Chattanooga to Québec City flights
Chattanooga to Pierre Elliott Trudeau Intl flights
Atlanta to Charlottetown flights
Asheville to Calgary flights

Top 4 airlines flying from Atlanta to Ontario

Discover the top 4 airlines that operate flights from Atlanta to Ontario. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated December 24, 2024.
AirlineCheapestAverageFlexibilityOn-time
WestJetCheapest$225Average$544FlexibilityNo cancel feeOn-time60%
Air CanadaCheapest$235Average$645FlexibilityNo cancel feeOn-time67%
United AirlinesCheapest$253Average$718FlexibilityNo cancel feeOn-time69%
DeltaCheapest$259Average$628FlexibilityNo cancel feeOn-timeN/A
100% Free
Cheapflights is completely free to use, so you can start saving the moment you arrive.
Book with Flexibility
Our users can plan ahead with confidence and find flights with no change fees
Travel Smart
Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.