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

For as low as C$ 863, WestJet can have you in Region of Ontario from Atlanta in 2h 20m. There are 1191 km between Atlanta and Region of Ontario. This flight may include one or multiple stops.

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

The cheapest airlines for a one-way flight from Atlanta to Region of Ontario are Frontier (C$ 109), WestJet (C$ 162), and Air Canada (C$ 187).

In terms of precipitation, rainfall in Region of Ontario ranges from 51.0 - 83.0 mm per month. June is typically the wettest month, when rainfall can reach 83.0 mm. February is typically the driest time to visit Region of Ontario when rainfall is around 51.0 mm.

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 21.0 C. Travellers hoping to avoid the cold should look outside of January, when temperatures are typically at their lowest (around -6.0 C).

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

The most popular flight routes from Atlanta to Region of Ontario are Atlanta Hartsfield-Jackson - Toronto Pearson Intl, Atlanta Hartsfield-Jackson - Montreal Pierre Elliott Trudeau Intl and Atlanta Hartsfield-Jackson - Toronto Island.

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

On average you can expect to pay C$ 470 for a flight from Atlanta to Region of Ontario. The cheapest flight overall is C$ 282 while the most popular route, (Atlanta Hartsfield-Jackson - Toronto Pearson Intl) is currently priced at C$ 318.

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

Consider LATAM Airlines (82%), Delta (74%) or WestJet (74%) when booking your flight. These represent the most reliable airlines when flying from Atlanta to Region of Ontario.

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 United Airlines. Something to consider prior to booking your flight.

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

Located just 13.2 km from the city centre, Atlanta Hartsfield-Jackson (ATL) is the airport most travellers will use when flying to Ontario from Atlanta.

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.

C$ 181+ Cheap Flights from Atlanta to Ontario

Cheap flight deals from Atlanta to Ontario

Enter your travel dates to find the best prices.

Cheapest

Best

Direct

Last-minute

One-way

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 9 September 2026.

Wed 18/1110:11 a.m. -

1 stop9h 09m

Fri 20/119:15 a.m. -

1 stop28h 27m

Deal found 9/9C$ 368

Wed 11/118:15 a.m. -

2 stops15h 25m

Wed 18/1112:20 p.m. -

1 stop7h 29m

Deal found 9/9C$ 370

Sat 17/1010:59 a.m. -

1 stop10h 35m

Fri 6/119:15 a.m. -

1 stop10h 34m

Deal found 6/9C$ 371

Wed 7/109:00 p.m. -

1 stop23h 55m

Wed 4/119:20 a.m. -

1 stop8h 11m

Deal found 4/9C$ 372

Wed 14/109:00 p.m. -

1 stop17h 05m

Tue 3/119:35 a.m. -

1 stop7h 48m

Deal found 6/9C$ 374

Wed 7/109:00 p.m. -

1 stop17h 05m

Thu 15/107:00 a.m. -

1 stop7h 37m

Deal found 9/9C$ 375

Wed 30/99:00 p.m. -

1 stop17h 05m

Tue 6/109:30 a.m. -

1 stop14h 29m

Deal found 9/9C$ 376

Thu 17/98:59 p.m. -

1 stop17h 56m

Sun 18/108:10 a.m. -

1 stop24h 56m

Deal found 6/9C$ 378

Fri 16/101:30 p.m. -

1 stop7h 25m

Wed 4/113:55 p.m. -

1 stop17h 08m

Deal found 6/9C$ 379

Wed 7/109:00 p.m. -

1 stop19h 55m

Sun 11/109:50 a.m. -

1 stop21h 31m

Deal found 7/9C$ 381

Tue 27/107:31 a.m. -

1 stop7h 29m

Wed 4/117:15 a.m. -

1 stop7h 26m

Deal found 5/9C$ 382

Tue 6/109:00 p.m. -

1 stop19h 55m

Tue 13/109:30 a.m. -

1 stop14h 36m

Deal found 6/9C$ 383

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 9 September 2026.

Fri 2/107:20 a.m. -

1 stop13h 35m

Sun 4/107:30 a.m. -

1 stop16h 29m

Deal found 5/9C$ 390

Wed 7/108:15 a.m. -

1 stop11h 05m

Tue 13/108:15 p.m. -

1 stop10h 30m

Deal found 8/9C$ 466

Tue 22/912:55 p.m. -

1 stop8h 35m

Wed 23/912:30 p.m. -

1 stop8h 59m

Deal found 4/9C$ 750

Sat 3/108:00 a.m. -

1 stop6h 09m

Sat 3/106:01 p.m. -

1 stop15h 55m

Deal found 5/9C$ 841

Fri 23/109:39 p.m. -

Nonstop2h 20m

Mon 26/1011:38 a.m. -

Nonstop2h 25m

Deal found 8/9C$ 863

Mon 19/1010:30 p.m. -

1 stop14h 25m

Fri 23/101:40 p.m. -

1 stop20h 14m

Deal found 6/9C$ 469

Thu 24/98:20 p.m. -

1 stop18h 13m

Mon 5/104:15 p.m. -

1 stop18h 59m

Deal found 9/9C$ 510

Thu 24/98:15 a.m. -

2 stops27h 20m

Mon 5/106:15 p.m. -

2 stops19h 10m

Deal found 9/9C$ 611

Fri 2/1010:24 p.m. -

1 stop14h 31m

Mon 5/101:40 p.m. -

1 stop9h 25m

Deal found 8/9C$ 538

Fri 23/102:25 p.m. -

1 stop14h 55m

Fri 30/107:40 a.m. -

1 stop23h 05m

Deal found 8/9C$ 670

Mon 23/1110:20 a.m. -

1 stop9h 39m

Sat 28/1110:35 a.m. -

1 stop10h 24m

Deal found 9/9C$ 558

Tue 6/109:28 a.m. -

2 stops10h 47m

Sat 10/109:15 a.m. -

1 stop13h 58m

Deal found 7/9C$ 569

Wed 21/102:25 p.m. -

1 stop14h 55m

Wed 28/107:40 a.m. -

1 stop23h 05m

Deal found 6/9C$ 699

Fri 9/109:00 a.m. -

Nonstop2h 38m

Tue 13/106:50 p.m. -

Nonstop3h 02m

Deal found 9/9C$ 864

Thu 1/107:00 a.m. -

1 stop6h 10m

Sun 4/102:50 p.m. -

1 stop6h 31m

Deal found 4/9C$ 881

Wed 7/102:40 p.m. -

2 stops7h 26m

Wed 14/1011:23 a.m. -

1 stop7h 43m

Deal found 6/9C$ 892

Sat 3/108:15 a.m. -

3 stops27h 20m

Sat 10/1012:25 p.m. -

2 stops18h 20m

Deal found 5/9C$ 707

Mon 12/109:39 p.m. -

Nonstop2h 20m

Tue 3/116:00 a.m. -

1 stop9h 45m

Deal found 6/9C$ 880

Wed 7/108:11 a.m. -

1 stop6h 54m

Sun 11/109:15 a.m. -

1 stop13h 58m

Deal found 7/9C$ 602

Fri 23/107:37 p.m. -

1 stop4h 17m

Mon 26/104:46 p.m. -

1 stop6h 29m

Deal found 5/9C$ 893

Wed 14/108:05 a.m. -

Nonstop2h 18m

Wed 4/116:00 a.m. -

1 stop9h 45m

Deal found 6/9C$ 880

Wed 11/119:01 a.m. -

2 stops9h 27m

Sat 14/114:35 p.m. -

1 stop6h 01m

Deal found 6/9C$ 608

Wed 30/1212:10 p.m. -

2 stops11h 45m

Sun 3/19:10 a.m. -

2 stops21h 35m

Deal found 5/9C$ 738

Thu 24/99:29 a.m. -

1 stop6h 41m

Sun 27/96:10 a.m. -

1 stop6h 11m

Deal found 6/9C$ 922

Wed 7/103:01 p.m. -

Nonstop2h 17m

Wed 14/106:15 a.m. -

Nonstop2h 26m

Deal found 9/9C$ 898

Fri 6/118:10 a.m. -

2 stops8h 23m

Mon 9/114:15 p.m. -

1 stop7h 03m

Deal found 6/9C$ 615

Sat 17/108:15 a.m. -

1 stop15h 30m

Wed 21/107:00 a.m. -

Nonstop2h 51m

Deal found 4/9C$ 797

Thu 11/212:55 p.m. -

2 stops8h 52m

Mon 15/25:30 a.m. -

1 stop6h 16m

Deal found 5/9C$ 1,198

Wed 23/92:00 p.m. -

1 stop9h 12m

Sun 27/96:15 a.m. -

Nonstop2h 27m

Deal found 8/9C$ 900

Mon 5/108:20 p.m. -

2 stops23h 40m

Mon 12/107:15 a.m. -

1 stop16h 51m

Deal found 7/9C$ 616

Find flight deals from Atlanta to Ontario

Round-trip from	C$ 368
One-way from	C$ 181
Popular in	July
Cheapest in	August
Average price	C$ 856
Good round-trip deal	C$ 284 or less
Good one-way deal	C$ 460 or less

18/11-20/11
2 total stops
37h 36m total
Atlanta to Ontario

Search Deals

22/10-31/12
2 total stops
26h 40m total
Atlanta to Ontario

Search Deals

High demand for flights, 6% potential price rise

Search Deals

Cheapest flight prices on average. 1% potential price decrease (C$ 17 potential savings vs. average RT price).

Search Deals

Average for round-trip flights in September 2026

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

Cheapest round-trip

AtlantaOttawa

ATL Atlanta Hartsfield-Jackson - YOW Ottawa

ATLYOW

Atlanta Hartsfield-Jackson

Mon 5/10

9:00 p.m.-8:00 p.m.

2 stops23h 00m

Ottawa

Wed 31/12

12:00 a.m.-12:00 a.m.

Nonstop0h 00m

C$ 185

AtlantaOttawa

ATL Atlanta Hartsfield-Jackson - YOW Ottawa

ATLYOW

Atlanta Hartsfield-Jackson

Sat 24/10

7:31 a.m.-5:15 p.m.

2 stops33h 44m

Ottawa

Wed 31/12

12:00 a.m.-12:00 a.m.

Nonstop0h 00m

C$ 197

AtlantaOttawa

ATL Atlanta Hartsfield-Jackson - YOW Ottawa

ATLYOW

Atlanta Hartsfield-Jackson

Tue 6/10

8:15 a.m.-7:20 p.m.

1 stop11h 05m

Ottawa

Wed 31/12

12:00 a.m.-12:00 a.m.

Nonstop0h 00m

C$ 215

AtlantaOttawa

ATL Atlanta Hartsfield-Jackson - YOW Ottawa

ATLYOW

Atlanta Hartsfield-Jackson

Tue 29/9

6:30 a.m.-8:00 p.m.

2 stops13h 30m

Ottawa

Wed 31/12

12:00 a.m.-12:00 a.m.

Nonstop0h 00m

C$ 222

AtlantaOttawa

ATL Atlanta Hartsfield-Jackson - YOW Ottawa

ATLYOW

Atlanta Hartsfield-Jackson

Sat 10/10

5:49 p.m.-5:35 p.m.

2 stops23h 46m

Ottawa

Wed 31/12

12:00 a.m.-12:00 a.m.

Nonstop0h 00m

C$ 292

AtlantaOttawa

ATL Atlanta Hartsfield-Jackson - YOW Ottawa

ATLYOW

Atlanta Hartsfield-Jackson

Sat 10/10

8:15 a.m.-12:30 p.m.

3 stops28h 15m

Ottawa

Wed 31/12

12:00 a.m.-12:00 a.m.

Nonstop0h 00m

C$ 295

AtlantaOttawa

ATL Atlanta Hartsfield-Jackson - YOW Ottawa

ATLYOW

Atlanta Hartsfield-Jackson

Tue 13/10

7:01 p.m.-4:20 p.m.

1 stop21h 19m

Ottawa

Wed 31/12

12:00 a.m.-12:00 a.m.

Nonstop0h 00m

C$ 313

AtlantaOttawa

ATL Atlanta Hartsfield-Jackson - YOW Ottawa

ATLYOW

Atlanta Hartsfield-Jackson

Thu 15/10

9:18 p.m.-12:25 a.m.

3 stops51h 07m

Ottawa

Wed 31/12

12:00 a.m.-12:00 a.m.

Nonstop0h 00m

C$ 324

AtlantaMontreal

ATL Atlanta Hartsfield-Jackson - YUL Montreal Pierre Elliott Trudeau Intl

ATLYUL

Atlanta Hartsfield-Jackson

Sun 4/10

8:15 a.m.-7:05 a.m.

1 stop22h 50m

Montreal Pierre Elliott Trudeau Intl

Wed 31/12

12:00 a.m.-12:00 a.m.

Nonstop0h 00m

C$ 330

AtlantaOttawa

ATL Atlanta Hartsfield-Jackson - YOW Ottawa

ATLYOW

Atlanta Hartsfield-Jackson

Fri 16/10

6:00 a.m.-12:20 a.m.

3 stops18h 20m

Ottawa

Wed 31/12

12:00 a.m.-12:00 a.m.

Nonstop0h 00m

C$ 335

Flights are sorted by cheapest round-trip flights first.

Deals found on 5/9

Showing 1-10 of 60 resultsSorted by cheapest first

...

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.

ATL-YOW

ATL-YUL

ATL-YYZ

ATL-YTZ

ATL-YXU

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

ATL-CAON

ATL-YOW

ATL-YUL

ATL-YYZ

ATL-YTZ

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

Currently, September is the cheapest month in which you can book a flight from Atlanta to Region of Ontario (average of C$ 783). Flying from Atlanta to Region of Ontario in July is currently the most expensive (average of C$ 922). 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 in the afternoon, which can drop the price by up to 37% versus a flight at noon.

Weekly flight availability from Atlanta to Region of Ontario

The most flights from ATL to CAON are scheduled on a Tuesday (22 on average). You will have fewer flight options on Friday, which is when the least amount of flights are scheduled (10 on average).

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 C$ 421 and C$ 1,060 in November.
The cheapest round-trip price found within the last 5 days was C$ 368 on Multiple Airlines (18 Nov-20 Nov).

How far ahead should I book a flight from Atlanta to Region of Ontario?

Booking 43 days in advance of your planned departure date is, on average, the best time to get cheap flights from Atlanta to Region of Ontario. The general trend is that the closer you book to the departure date, the more expensive your flight will be.

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 Wednesday afternoons when fares are most often at their lowest. Thursday at noon flights should be avoided if possible as fares are typically the most expensive at this time.

Reviews of airlines servicing Ontario

Read reviews from past customers who have flown Delta,United Airlines, andWestJet from Atlanta to Ontario. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.

Delta

7.8

Good

8,554 reviews

Check prices

Reviews

1 / 20

4.0

Okay

Joel,May 2026

ATL - JAX

The flight was delivered 50 minutes and taxing took what felt like 20 minutes to takeoff.

Delta

7.8

Good

8,554 reviews

Delta

7.8

Good

8,554 reviews

Check prices

Reviews

1 / 20

4.0

Okay

Joel,May 2026

ATL - JAX

The flight was delivered 50 minutes and taxing took what felt like 20 minutes to takeoff.

United Airlines

7.4

Good

10,190 reviews

Delta

7.8

Good

8,554 reviews

Check prices

Reviews

1 / 20

4.0

Okay

Joel,May 2026

ATL - JAX

The flight was delivered 50 minutes and taxing took what felt like 20 minutes to takeoff.

WestJet

7.2

Good

3,447 reviews

Delta

7.8

Good

8,554 reviews

Check prices

Reviews

1 / 20

4.0

Okay

Joel,May 2026

ATL - JAX

The flight was delivered 50 minutes and taxing took what felt like 20 minutes to takeoff.

Air Canada

7.1

Good

11,603 reviews

Delta

7.8

Good

8,554 reviews

Check prices

Reviews

1 / 20

4.0

Okay

Joel,May 2026

ATL - JAX

The flight was delivered 50 minutes and taxing took what felt like 20 minutes to takeoff.

Related info for your journey

What airport do you fly from for flights from Atlanta to Ontario?
Located just 13.2 km from the city centre, Atlanta Hartsfield-Jackson (ATL) is the airport most travellers will use when flying to Ontario from Atlanta.
How long is the flight from Atlanta to Region of Ontario?
For as low as C$ 863, WestJet can have you in Region of Ontario from Atlanta in 2h 20m. There are 1191 km between Atlanta and Region of Ontario. This flight may include one or multiple stops.
What are the cheapest airlines to fly from Atlanta to Region of Ontario one-way?
The cheapest airlines for a one-way flight from Atlanta to Region of Ontario are Frontier (C$ 109), WestJet (C$ 162), and Air Canada (C$ 187).
What are the most popular routes from Atlanta to Region of Ontario?
The most popular flight routes from Atlanta to Region of Ontario are Atlanta Hartsfield-Jackson - Toronto Pearson Intl, Atlanta Hartsfield-Jackson - Montreal Pierre Elliott Trudeau Intl and Atlanta Hartsfield-Jackson - Toronto Island.
What are the most reliable airlines from Atlanta to Region of Ontario?
Consider LATAM Airlines (82%), Delta (74%) or WestJet (74%) when booking your flight. These represent the most reliable airlines when flying from Atlanta to Region of Ontario.
What are the cheapest flights from Atlanta to Region of Ontario?
On average you can expect to pay C$ 470 for a flight from Atlanta to Region of Ontario. The cheapest flight overall is C$ 282 while the most popular route, (Atlanta Hartsfield-Jackson - Toronto Pearson Intl) is currently priced at C$ 318.
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, September is the cheapest month in which you can book a flight from Atlanta to Region of Ontario (average of C$ 783). Flying from Atlanta to Region of Ontario in July is currently the most expensive (average of C$ 922). 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

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Atlanta to Québec City flights

Jacksonville to Pearson Intl flights

Jacksonville to Pierre Elliott Trudeau Intl flights

Atlanta to Ottawa flights

Jacksonville to Calgary flights

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Jacksonville to Toronto Island flights

Jacksonville to Québec City flights

Atlanta to Halifax flights

Atlanta to Winnipeg flights

Asheville to Pierre Elliott Trudeau Intl flights

Savannah to Pierre Elliott Trudeau Intl flights

Asheville to Calgary flights

Chattanooga to Pierre Elliott Trudeau Intl flights

Tallahassee to Pearson Intl flights

Savannah to Pearson Intl flights

Chattanooga to Pearson Intl flights

Asheville to Vancouver Intl flights

Augusta to Pearson Intl flights

Jacksonville to Halifax flights

Savannah to Vancouver Intl flights

Savannah to Calgary flights

Chattanooga to Vancouver Intl flights

Chattanooga to Québec City flights

Brunswick to Pierre Elliott Trudeau Intl flights

Atlanta to Edmonton flights

Atlanta to St. John's flights

Atlanta to Charlottetown flights

Savannah to Halifax flights

Jacksonville to St. John's flights

Tallahassee to Pierre Elliott Trudeau Intl flights

Chattanooga to Calgary flights

Chattanooga to Edmonton flights

Tallahassee to Ottawa flights

Tallahassee to Calgary flights

Top 4 airlines flying from Atlanta to Ontario

Airline	Cheapest	Average	Flexibility	On-time
WestJet	CheapestC$ 289	AverageC$ 973	FlexibilityNo cancel fee	On-time60%	Search WestJet flights
Delta	CheapestC$ 331	AverageC$ 417	FlexibilityNo cancel fee	On-timeN/A	Search Delta flights
Air Canada	CheapestC$ 518	AverageC$ 865	FlexibilityNo cancel fee	On-time67%	Search Air Canada flights
United Airlines	CheapestC$ 1,108	AverageC$ 1,319	FlexibilityNo cancel fee	On-time69%	Search United Airlines flights

Fly with Cheapflights

How does Cheapflights help users find flights from Atlanta to Ontario?

Cheapflights helps you search for flights from Atlanta to Ontario via 900+ travel sites so you don’t have to. After performing a flight search, users can also filter their flight selection by filtering for price, number of stops, airlines, and so on.

Why should you use Cheapflights to find cheap flight tickets from Atlanta to Ontario?

It’s simple! Cheapflights, which is free to use for everyone, saves millions of users time and money every year by helping them find the cheapest and most suitable flights from Atlanta to Ontario.

Can Cheapflights find flights from Atlanta to Ontario with no change fees?

Users can book flights with no change fees policies with our dedicated filters. Book flights from Atlanta to Ontario flexibly with Cheapflights today.

Can Cheapflights notify me if prices for flights from Atlanta to Ontario become cheaper?

Yes, Cheapflights offers price alerts on Atlanta to Ontario flights so you can book your travel at the perfect time. Price Alerts can be enabled by clicking the bell icon next to the flight deals above and providing your email address where you want to receive the alerts.

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Cheap flights from Atlanta to Ontario from C$ 181

This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 22/10. Fares are subject to change and may not be available on all flights or dates of travel.

Cheap 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 9 September 2026.

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 9 September 2026.

Best flights from Atlanta to OntarioDiscover 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 9 September 2026.

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 9 September 2026.

Direct flights from Atlanta to OntarioExplore direct flight options from Atlanta to Ontario based on user searches, and compare prices and availability for your desired travel dates. Data last updated 9 September 2026.

Explore direct flight options from Atlanta to Ontario based on user searches, and compare prices and availability for your desired travel dates. Data last updated 9 September 2026.

Last-minute flights from Atlanta to OntarioDiscover last-minute flight deals from Atlanta to Ontario. Data last updated 9 September 2026 and is based on user searches.

Discover last-minute flight deals from Atlanta to Ontario. Data last updated 9 September 2026 and is based on user searches.

One-way flights from Atlanta to OntarioSearch for one-way flight options from Atlanta to Ontario. Find affordable one-way fares based on user searches. Data last updated 9 September 2026.

Search for one-way flight options from Atlanta to Ontario. Find affordable one-way fares based on user searches. Data last updated 9 September 2026.

Find flight deals from Atlanta to Ontario

Round-trip from

One-way from

Popular in

Cheapest in

Average price

Good round-trip deal

Good one-way deal

Cheapflights Fare Finder

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.

Cheapflights Insights

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 9 September 2026.

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 in the afternoon, which can drop the price by up to 37% versus a flight at noon.

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 9 September 2026.

The most flights from ATL to CAON are scheduled on a Tuesday (22 on average). You will have fewer flight options on Friday, which is when the least amount of flights are scheduled (10 on average).

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 C$ 421 and C$ 1,060 in November.The cheapest round-trip price found within the last 5 days was C$ 368 on Multiple Airlines (18 Nov-20 Nov).

How far ahead should I book a flight from Atlanta to Region of Ontario?

Booking 43 days in advance of your planned departure date is, on average, the best time to get cheap flights from Atlanta to Region of Ontario. The general trend is that the closer you book to the departure date, the more expensive your flight will be.

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 5 September 2026.

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

Reviews of airlines servicing Ontario

Read reviews from past customers who have flown Delta,United Airlines, andWestJet from Atlanta to Ontario. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.

Related info for your journey

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

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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?

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

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Alternative routes for Atlanta to Ontario

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Complete your trip

Complete your trip to Ontario by adding a car rental and/or hotel reservation to your travel itinerary.

Direct flights to Canada

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Atlanta and Ontario flights

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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 9 September 2026.

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 9 September 2026.

Direct flights from Atlanta to Ontario
Explore direct flight options from Atlanta to Ontario based on user searches, and compare prices and availability for your desired travel dates. Data last updated 9 September 2026.

Last-minute flights from Atlanta to Ontario
Discover last-minute flight deals from Atlanta to Ontario. Data last updated 9 September 2026 and is based on user searches.

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 9 September 2026.

Atlanta to Region of Ontario flights typically cost between C$ 421 and C$ 1,060 in November.
The cheapest round-trip price found within the last 5 days was C$ 368 on Multiple Airlines (18 Nov-20 Nov).