What is the cheapest airline that flies from Atlanta Hartsfield-Jackson to Ontario?

WestJet is the most popular carrier operating from Atlanta Hartsfield-Jackson to Ontario

How many flights depart from Atlanta to Region of Ontario on average per week?

As of November 2025, there are 189 flights per week flying from Atlanta to Region of Ontario. The most common day of the week flights depart is Mon, with 19% of flights taking off on this day.

How many flights depart from Atlanta to Region of Ontario on average per day?

As of November 2025, there are 27 flights per day flying from Atlanta to Region of Ontario. The most common time of day flights depart is 2:00p.m., with 39% of flights taking off in the evening.

Which airlines fly to Region of Ontario?

Air Canada, Delta and WestJet are the top three most popular airlines that fly to Region of Ontario from Atlanta according to our data. Air Canada is the first choice among our users, with 45% of people opting to fly with this airline when travelling to Region of Ontario. Keep in mind that there are 3 different airlines that fly to Region of Ontario on a routine basis, so you have a few additional options to choose from.

When did momondo last update prices for flights from Atlanta Hartsfield-Jackson Airport to Ontario?

Prices for flights from Atlanta Hartsfield-Jackson Airport to Ontario are refreshed on a daily basis.

How many operators does momondo search for flights from Atlanta Hartsfield-Jackson Airport to Ontario?

The number of operators available for flights from Atlanta Hartsfield-Jackson Airport to Ontario is 3 as of November 2025.

How old do you have to be to fly from Atlanta Hartsfield-Jackson Airport to Ontario?

Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Atlanta Hartsfield-Jackson Airport to Ontario.

What documentation or ID do you need to fly to Ontario?

The travel and health documents you'll need for your trip to Ontario may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Ontario. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

C$ 101 Cheap Flights from Atlanta to Ontario in 2025/26

1 adult

Discover deals from 900+ travel sites with momondo.

Save money when you book flights with momondo

Big names, great deals

Search 100s of travel sites to compare prices.

Filter for what you want

Free Wi-Fi? Early arrival? Instantly customize your results

Trusted and free

We’re completely free to use - no hidden charges or fees.

Price Alerts

Not ready to book? to track prices.

Search flight deals

Find the cheapest flights from Atlanta to Ontario

Round-trip

One-way

Last minute

Direct

Cheap round-trip flights

Enter your travel dates to find the best prices.

12:43 p.m. - 12:25 a.m.ATL-YOW

11h 42m1 stop

4:20 p.m. - 11:04 p.m.YOW-ATL

30h 44m3 stops

C$ 325Multiple Airlines

Find Deal

Fri, 5 Dec - Sun, 7 Dec

9:58 p.m. - 11:43 a.m.ATL-YYZ

13h 45m1 stop

8:30 p.m. - 7:48 a.m.YYZ-ATL

11h 18m1 stop

C$ 366Multiple Airlines

Find Deal

Fri, 16 Jan - Mon, 19 Jan

8:25 a.m. - 11:39 p.m.ATL-YYZ

15h 14m2 stops

6:30 p.m. - 7:12 a.m.YYZ-ATL

12h 42m1 stop

C$ 367WestJet

Find Deal

Thu, 4 Dec - Mon, 8 Dec

9:05 a.m. - 11:39 p.m.ATL-YYZ

14h 34m1 stop

10:45 p.m. - 11:49 a.m.YYZ-ATL

13h 04m1 stop

C$ 368WestJet

Find Deal

Thu, 4 Dec - Thu, 11 Dec

8:25 p.m. - 2:40 p.m.ATL-YYZ

18h 15m1 stop

7:35 a.m. - 9:12 p.m.YYZ-ATL

13h 37m1 stop

C$ 373Multiple Airlines

Find Deal

Thu, 20 Nov - Fri, 5 Dec

12:40 p.m. - 11:38 p.m.ATL-YYZ

10h 58m1 stop

10:50 p.m. - 11:49 a.m.YYZ-ATL

12h 59m1 stop

C$ 374WestJet

Find Deal

Sun, 23 Nov - Thu, 27 Nov

9:05 a.m. - 11:39 p.m.ATL-YYZ

14h 34m1 stop

6:30 p.m. - 7:12 a.m.YYZ-ATL

12h 42m1 stop

C$ 377WestJet

Find Deal

Thu, 4 Dec - Sat, 6 Dec

6:35 p.m. - 10:26 a.m.ATL-YOW

15h 51m1 stop

2:15 p.m. - 7:16 p.m.YOW-ATL

5h 01m1 stop

C$ 468United Airlines

Find Deal

Tue, 10 Mar - Wed, 11 Mar

12:55 p.m. - 5:36 p.m.ATL-YOW

4h 41m1 stop

2:50 p.m. - 9:53 p.m.YOW-ATL

7h 03m1 stop

C$ 488Air Canada

Find Deal

Sun, 12 Apr - Wed, 15 Apr

2:39 p.m. - 9:56 p.m.ATL-YOW

7h 17m2 stops

9:54 a.m. - 2:45 p.m.YOW-ATL

4h 51m1 stop

C$ 516United Airlines

Find Deal

Tue, 10 Mar - Wed, 11 Mar

WestJet flights from Atlanta to Region of Ontario

Our best WestJet deals on Atlanta to Region of Ontario flight tickets

WestJet

4 Dec

ATL8:25 a.m.Atlanta Hartsfield-Jackson

15h 14m

2 stops

YYZ11:39 p.m.Toronto Pearson Intl

8 Dec

YYZ6:30 p.m.Toronto Pearson Intl

12h 42m

1 stop

ATL7:12 a.m.Atlanta Hartsfield-Jackson

C$ 367

Find similar

WestJet

4 Dec

ATL9:05 a.m.Atlanta Hartsfield-Jackson

14h 34m

1 stop

YYZ11:39 p.m.Toronto Pearson Intl

11 Dec

YYZ10:45 p.m.Toronto Pearson Intl

13h 04m

1 stop

ATL11:49 a.m.Atlanta Hartsfield-Jackson

C$ 368

Find similar

WestJet

23 Nov

ATL12:40 p.m.Atlanta Hartsfield-Jackson

10h 58m

1 stop

YYZ11:38 p.m.Toronto Pearson Intl

27 Nov

YYZ10:50 p.m.Toronto Pearson Intl

12h 59m

1 stop

ATL11:49 a.m.Atlanta Hartsfield-Jackson

C$ 374

Find similar

United Airlines flights from Atlanta to Region of Ontario

Our best United Airlines deals on Atlanta to Region of Ontario flight tickets

United Airlines

10 Mar

ATL6:35 p.m.Atlanta Hartsfield-Jackson

15h 51m

1 stop

YOW10:26 a.m.Ottawa

11 Mar

YOW2:15 p.m.Ottawa

5h 01m

1 stop

ATL7:16 p.m.Atlanta Hartsfield-Jackson

C$ 468

Find similar

United Airlines

10 Mar

ATL2:39 p.m.Atlanta Hartsfield-Jackson

7h 17m

2 stops

YOW9:56 p.m.Ottawa

11 Mar

YOW9:54 a.m.Ottawa

4h 51m

1 stop

ATL2:45 p.m.Atlanta Hartsfield-Jackson

C$ 516

Find similar

United Airlines

12 Apr

ATL6:30 a.m.Atlanta Hartsfield-Jackson

7h 15m

1 stop

YOW1:45 p.m.Ottawa

15 Apr

YOW2:05 p.m.Ottawa

9h 46m

2 stops

ATL11:51 p.m.Atlanta Hartsfield-Jackson

C$ 630

Find similar

Fly from

Fly to

Route

Depart

Return

Price

AtlantaOttawa

ATL - YOW

ATLYOW

Atlanta Hartsfield-Jackson

Fri 5/12

12:43 p.m.-12:25 a.m.

1 stop11h 42m

Ottawa

Sun 7/12

4:20 p.m.-11:04 p.m.

3 stops30h 44m

C$ 325

AtlantaToronto

ATL - YYZ

ATLYYZ

Atlanta Hartsfield-Jackson

Fri 16/1

9:58 p.m.-11:43 a.m.

1 stop13h 45m

Toronto Pearson Intl

Mon 19/1

8:30 p.m.-7:48 a.m.

1 stop11h 18m

C$ 366

AtlantaToronto

ATL - YYZ

ATLYYZ

Atlanta Hartsfield-Jackson

Thu 4/12

8:25 a.m.-11:39 p.m.

2 stops15h 14m

Toronto Pearson Intl

Mon 8/12

6:30 p.m.-7:12 a.m.

1 stop12h 42m

C$ 367

AtlantaToronto

ATL - YYZ

ATLYYZ

Atlanta Hartsfield-Jackson

Thu 4/12

9:05 a.m.-11:39 p.m.

1 stop14h 34m

Toronto Pearson Intl

Thu 11/12

10:45 p.m.-11:49 a.m.

1 stop13h 04m

C$ 368

AtlantaToronto

ATL - YYZ

ATLYYZ

Atlanta Hartsfield-Jackson

Thu 20/11

8:25 p.m.-2:40 p.m.

1 stop18h 15m

Toronto Pearson Intl

Fri 5/12

7:35 a.m.-9:12 p.m.

1 stop13h 37m

C$ 373

AtlantaToronto

ATL - YYZ

ATLYYZ

Atlanta Hartsfield-Jackson

Sun 23/11

12:40 p.m.-11:38 p.m.

1 stop10h 58m

Toronto Pearson Intl

Thu 27/11

10:50 p.m.-11:49 a.m.

1 stop12h 59m

C$ 374

AtlantaToronto

ATL - YYZ

ATLYYZ

Atlanta Hartsfield-Jackson

Thu 4/12

9:05 a.m.-11:39 p.m.

1 stop14h 34m

Toronto Pearson Intl

Sat 6/12

6:30 p.m.-7:12 a.m.

1 stop12h 42m

C$ 377

AtlantaOttawa

ATL - YOW

ATLYOW

Atlanta Hartsfield-Jackson

Tue 10/3

6:35 p.m.-10:26 a.m.

1 stop15h 51m

Ottawa

Wed 11/3

2:15 p.m.-7:16 p.m.

1 stop5h 01m

C$ 468

AtlantaOttawa

ATL - YOW

ATLYOW

Atlanta Hartsfield-Jackson

Sun 12/4

12:55 p.m.-5:36 p.m.

1 stop4h 41m

Ottawa

Wed 15/4

2:50 p.m.-9:53 p.m.

1 stop7h 03m

C$ 488

AtlantaOttawa

ATL - YOW

ATLYOW

Atlanta Hartsfield-Jackson

Tue 10/3

2:39 p.m.-9:56 p.m.

2 stops7h 17m

Ottawa

Wed 11/3

9:54 a.m.-2:45 p.m.

1 stop4h 51m

C$ 516

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first

How to get the cheapest flight ticket from Atlanta to Region of Ontario

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

Prices

Airlines

Other information

What is the cheapest month to fly to Region of Ontario?

In general, January is the cheapest month to fly from Atlanta to Region of Ontario. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around C$ 709. If you are unable to visit Region of Ontario during the month of January, then departing from Atlanta during the month September is also very affordable. Most momondo users find prices during this month for around C$ 731.

What is the cheapest day to depart on your flight to Region of Ontario?

The cheapest day to depart from Atlanta to Region of Ontario is on a Tuesday. Travellers who choose to depart for Region of Ontario on a Tuesday will often find tickets for as low as C$ 375. The most expensive day to fly to Region of Ontario is Wednesday, with ticket prices averaging around C$ 951.

What is the cheapest time of day to depart on your flight to Region of Ontario?

Our most recent data shows that the best time of day to fly to Region of Ontario is at noon. Flights from Atlanta to Region of Ontario during this time can be as low as C$ 315. If you have a flexible travel schedule, then try to avoid flying in the afternoon when prices are C$ 844 on average. Flights to Region of Ontario from Atlanta in the afternoon are generally more expensive because this time of day is more convenient for travellers’ schedules.

What is the cheapest Atlanta Hartsfield-Jackson to Ontario flight route?

Fly from Atlanta Hartsfield-Jackson to Toronto Pearson Intl for the best Atlanta Hartsfield-Jackson - Ontario flight prices

How far in advance should I book a flight to Region of Ontario?

You are more likely to see cheaper flights to Region of Ontario from Atlanta when booking weeks ahead of your departure date. In general, you can expect to find flights to Region of Ontario for around C$ 777 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Region of Ontario from Atlanta for as low as C$ 611 on momondo.

What cabin class options are available on Atlanta Hartsfield-Jackson to Ontario flights?

There are 4 cabin classes available to choose from on Atlanta Hartsfield-Jackson to Ontario flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

Can stopping save me money on Atlanta to Region of Ontario flights?

You could potentially save up to 51% on your flight if you consider stops on a Atlanta to Region of Ontario flight.

Cheap Atlanta to Region of Ontario flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Atlanta to Region of Ontario

Best price found	C$ 445
Fastest flight time	2h 10m
Direct flights	Every day
Airports in Region of Ontario	2 airports

The best one-way flight to Region of Ontario from Atlanta in the past 72 hours is C$ 445. The best round-trip flight deal from Atlanta to Region of Ontario found on momondo in the last 72 hours is C$ 344.

The fastest flight from Atlanta to Region of Ontario takes 2h 10m

Direct flights go from Atlanta to Region of Ontario every day.

There are 2 airports near Region of Ontario: Montreal Pierre Elliott Trudeau Intl (YUL), Toronto Pearson Intl (YYZ)

Search flight deals

When did momondo last update prices for flights from Atlanta Hartsfield-Jackson Airport to Ontario?
Prices for flights from Atlanta Hartsfield-Jackson Airport to Ontario are refreshed on a daily basis.
How many operators does momondo search for flights from Atlanta Hartsfield-Jackson Airport to Ontario?
The number of operators available for flights from Atlanta Hartsfield-Jackson Airport to Ontario is 3 as of November 2025.
How old do you have to be to fly from Atlanta Hartsfield-Jackson Airport to Ontario?
Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Atlanta Hartsfield-Jackson Airport to Ontario.
What documentation or ID do you need to fly to Ontario?
The travel and health documents you'll need for your trip to Ontario may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Ontario. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.
What is the most popular plane model from Atlanta to Region of Ontario?
Based on momondo bookings for flights between Atlanta and Region of Ontario, the leading plane model is Embraer 175, making up 21.75% of the total bookings. Other popular models include Airbus A320-100/200 with 18.01%, Canadair (Bombardier) Regional Jet 900 with 14.28%, and Airbus A350-900 with 11.58%.

Best airlines flying from Atlanta to Region of Ontario

Compare and see reviews for airlines that fly from Atlanta to Region of Ontario with momondo

Airline	Rating	Free Cancellation	Price
Delta	PriceFrom C$ 279	Free Cancellation	Rating 7.9 8,001 reviews	Search Delta flights
Air Canada	PriceFrom C$ 317	Free Cancellation	Rating 7.1 10,394 reviews	Search Air Canada flights
WestJet	PriceFrom C$ 686	Free Cancellation	Rating 7.2 3,153 reviews	Search WestJet flights

Why use momondo?

Why should I use momondo to find a flight deal from Atlanta to Ontario?

To find the flight that best suits your needs, momondo gathers a range of flights from a large pool of different airlines and agents; you can then use our insights and filters to find and book the right flight to Ontario from Atlanta.

Can I find flights from Atlanta to Ontario with flexible booking policies on momondo?

momondo does allow users to show only those flights to Ontario from Atlanta which offer a flexible booking policy as well as other useful filters and features.

How can momondo help me find flights from Atlanta to Ontario?

Once you have performed a search in the form on the page, momondo provides useful filters and insights. We can show you the cheapest days and times to fly as well as help filter your options to help you make an informed choice when booking flights to Ontario from Atlanta.

I’m not ready to book a flight from Atlanta to Ontario right now. Can momondo alert me if prices change?

Of course. momondo tracks the price of Atlanta to Ontario flights. All you need is a valid email address and we will do the rest; it is that quick and easy.

An easier way to manage your Region of Ontario trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.

Start using Trips

Find my bookings

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.

1 adult

Wed 3/12

Wed 10/12

Email me momondo's favourite deals

By creating a price alert you accept our terms of use and privacy policy.

Find better results for your trip to Ontario

Popular Cities in Ontario

Flights to Torontofrom C$ 99

Flights to Vancouverfrom C$ 71

Flights to Montrealfrom C$ 227

Flights to Calgaryfrom C$ 84

Flights to Ottawafrom C$ 179

Flights to Winnipegfrom C$ 150

Flights to Halifaxfrom C$ 119

Flights to Kelownafrom C$ 71

Flights to Saskatoonfrom C$ 142

Flights to Reginafrom C$ 191

Flights to St. John'sfrom C$ 265

Flights to Québec Cityfrom C$ 291

Cheap flights from Atlanta to Ontario from C$ 101

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Atlanta to Ontario departing on 4/2. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.

Big names, great deals

Big names, great deals

Filter for what you want

Filter for what you want

Trusted and free

Trusted and free

Price Alerts

Price Alerts

Find the cheapest flights from Atlanta to Ontario

Cheap round-trip flights

Cheap one-way flights

Cheap last-minute flights

Cheap direct flights

WestJet flights from Atlanta to Region of Ontario

Our best WestJet deals on Atlanta to Region of Ontario flight tickets

United Airlines flights from Atlanta to Region of Ontario

Our best United Airlines deals on Atlanta to Region of Ontario flight tickets

momondo Fare Finder

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

See travel insights to Ontario from

How to get the cheapest flight ticket from Atlanta to Region of Ontario

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the cheapest month to fly to Region of Ontario?

What is the cheapest day to depart on your flight to Region of Ontario?

The cheapest day to depart from Atlanta to Region of Ontario is on a Tuesday. Travellers who choose to depart for Region of Ontario on a Tuesday will often find tickets for as low as C$ 375. The most expensive day to fly to Region of Ontario is Wednesday, with ticket prices averaging around C$ 951.

What is the cheapest time of day to depart on your flight to Region of Ontario?

What is the cheapest Atlanta Hartsfield-Jackson to Ontario flight route?

Fly from Atlanta Hartsfield-Jackson to Toronto Pearson Intl for the best Atlanta Hartsfield-Jackson - Ontario flight prices

How far in advance should I book a flight to Region of Ontario?

What cabin class options are available on Atlanta Hartsfield-Jackson to Ontario flights?

There are 4 cabin classes available to choose from on Atlanta Hartsfield-Jackson to Ontario flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

Can stopping save me money on Atlanta to Region of Ontario flights?

You could potentially save up to 51% on your flight if you consider stops on a Atlanta to Region of Ontario flight.

What is the cheapest airline that flies from Atlanta Hartsfield-Jackson to Ontario?

WestJet is the most popular carrier operating from Atlanta Hartsfield-Jackson to Ontario

Which airlines fly to Region of Ontario?

How many flights depart from Atlanta to Region of Ontario on average per day?

As of November 2025, there are 27 flights per day flying from Atlanta to Region of Ontario. The most common time of day flights depart is 2:00p.m., with 39% of flights taking off in the evening.

How many flights depart from Atlanta to Region of Ontario on average per week?

As of November 2025, there are 189 flights per week flying from Atlanta to Region of Ontario. The most common day of the week flights depart is Mon, with 19% of flights taking off on this day.

Cheap Atlanta to Region of Ontario flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Atlanta to Region of Ontario

Best price found

Fastest flight time

Direct flights

Airports in Region of Ontario

When did momondo last update prices for flights from Atlanta Hartsfield-Jackson Airport to Ontario?

How many operators does momondo search for flights from Atlanta Hartsfield-Jackson Airport to Ontario?

How old do you have to be to fly from Atlanta Hartsfield-Jackson Airport to Ontario?

What documentation or ID do you need to fly to Ontario?

What is the most popular plane model from Atlanta to Region of Ontario?

Best airlines flying from Atlanta to Region of Ontario

Compare and see reviews for airlines that fly from Atlanta to Region of Ontario with momondo

Why use momondo?

Why should I use momondo to find a flight deal from Atlanta to Ontario?

Can I find flights from Atlanta to Ontario with flexible booking policies on momondo?

How can momondo help me find flights from Atlanta to Ontario?

I’m not ready to book a flight from Atlanta to Ontario right now. Can momondo alert me if prices change?

An easier way to manage your Region of Ontario trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.

Find better results for your trip to Ontario

Popular Cities in Ontario

Popular flights according to clicks in the last 7 days on momondo