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

WestJet, Delta, and United Airlines are the most popular carriers operating from Atlanta Hartsfield-Jackson to Ontario

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

As of June 2026, there are 35 flights per day flying from Atlanta to Region of Ontario. The most common time of day flights depart is 2:00p.m., with 41% of flights taking off in the afternoon.

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

As of June 2026, there are 251 flights per week flying from Atlanta to Region of Ontario. The most common day of the week flights depart is Mon, with 16% of flights taking off on this day.

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 35% 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 June 2026.

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$ 211 Cheap Flights from Atlanta to Ontario in 2026

Discover deals from 900+ travel sites with momondo.

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.

6:35 a.m. - 7:44 p.m.

ATL

YYZ

13h 09m

2 stops

9:30 a.m. - 8:04 p.m.

YYZ

ATL

10h 34m

1 stop

C$ 449Multiple Airlines

Mon, 3 Aug - Mon, 10 Aug

9:17 p.m. - 12:55 p.m.

ATL

YTZ

15h 38m

1 stop

1:40 p.m. - 8:49 p.m.

YTZ

ATL

7h 09m

1 stop

C$ 451Multiple Airlines

Tue, 11 Aug - Tue, 18 Aug

6:35 a.m. - 3:00 p.m.

ATL

YYZ

8h 25m

1 stop

6:30 a.m. - 2:04 p.m.

YYZ

ATL

7h 34m

1 stop

C$ 452Multiple Airlines

Sun, 12 Jul - Tue, 14 Jul

5:30 a.m. - 5:20 p.m.

ATL

YTZ

11h 50m

1 stop

1:40 p.m. - 11:49 p.m.

YTZ

ATL

10h 09m

1 stop

C$ 452Multiple Airlines

Tue, 4 Aug - Sat, 8 Aug

9:13 p.m. - 2:05 p.m.

ATL

YYZ

16h 52m

1 stop

9:30 a.m. - 12:27 a.m.

YYZ

ATL

14h 57m

1 stop

C$ 453Multiple Airlines

Wed, 9 Sep - Wed, 16 Sep

9:13 p.m. - 2:05 p.m.

ATL

YYZ

16h 52m

1 stop

8:10 a.m. - 8:18 p.m.

YYZ

ATL

12h 08m

1 stop

C$ 455Multiple Airlines

Fri, 11 Sep - Fri, 18 Sep

6:35 a.m. - 2:05 p.m.

ATL

YYZ

7h 30m

1 stop

6:30 a.m. - 8:04 p.m.

YYZ

ATL

13h 34m

1 stop

C$ 456Multiple Airlines

Thu, 13 Aug - Sat, 15 Aug

6:35 a.m. - 5:09 p.m.

ATL

YYZ

10h 34m

2 stops

7:30 a.m. - 9:32 p.m.

YYZ

ATL

14h 02m

1 stop

C$ 458Multiple Airlines

Mon, 20 Jul - Sun, 20 Sep

7:05 p.m. - 5:20 a.m.

ATL

YXU

10h 15m

1 stop

8:40 p.m. - 6:45 a.m.

YXU

ATL

10h 05m

1 stop

C$ 711WestJet

Tue, 4 Aug - Tue, 11 Aug

8:15 a.m. - 5:20 a.m.

ATL

YXU

21h 05m

1 stop

2:40 p.m. - 6:45 a.m.

YXU

ATL

16h 05m

2 stops

C$ 849WestJet

Tue, 4 Aug - Tue, 11 Aug

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Delta flights from Atlanta to Region of Ontario

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

Delta

6 Jul

ATL9:00 p.m.Atlanta Hartsfield-Jackson

11h 32m

1 stop

YUL8:32 a.m.Montreal Pierre Elliott Trudeau Intl

14 Jul

YUL7:44 p.m.Montreal Pierre Elliott Trudeau Intl

13h 36m

1 stop

ATL9:20 a.m.Atlanta Hartsfield-Jackson

C$ 813

Delta

6 Jul

ATL9:00 p.m.Atlanta Hartsfield-Jackson

11h 32m

1 stop

YUL8:32 a.m.Montreal Pierre Elliott Trudeau Intl

22 Jul

YUL6:00 a.m.Montreal Pierre Elliott Trudeau Intl

16h 24m

2 stops

ATL10:24 p.m.Atlanta Hartsfield-Jackson

C$ 826

Delta

26 Jun

ATL12:30 p.m.Atlanta Hartsfield-Jackson

11h 50m

2 stops

YOW12:20 a.m.Ottawa

30 Jun

YOW6:55 a.m.Ottawa

10h 10m

2 stops

ATL5:05 p.m.Atlanta Hartsfield-Jackson

C$ 1,764

WestJet flights from Atlanta to Region of Ontario

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

WestJet

4 Aug

ATL7:05 p.m.Atlanta Hartsfield-Jackson

10h 15m

1 stop

YXU5:20 a.m.London

11 Aug

YXU8:40 p.m.London

10h 05m

1 stop

ATL6:45 a.m.Atlanta Hartsfield-Jackson

C$ 711

WestJet

4 Aug

ATL8:15 a.m.Atlanta Hartsfield-Jackson

21h 05m

1 stop

YXU5:20 a.m.London

11 Aug

YXU2:40 p.m.London

16h 05m

2 stops

ATL6:45 a.m.Atlanta Hartsfield-Jackson

C$ 849

WestJet

18 Sep

ATL2:25 p.m.Atlanta Hartsfield-Jackson

14h 55m

1 stop

YXU5:20 a.m.London

23 Sep

YXU6:10 a.m.London

31h 15m

1 stop

ATL1:25 p.m.Atlanta Hartsfield-Jackson

C$ 912

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

AtlantaToronto

ATL - YYZ

ATLYYZ

Atlanta Hartsfield-Jackson

Mon 3/8

6:35 a.m.-7:44 p.m.

2 stops13h 09m

Toronto Pearson Intl

Mon 10/8

9:30 a.m.-8:04 p.m.

1 stop10h 34m

C$ 449

AtlantaToronto

ATL - YTZ

ATLYTZ

Atlanta Hartsfield-Jackson

Tue 11/8

9:17 p.m.-12:55 p.m.

1 stop15h 38m

Toronto Island

Tue 18/8

1:40 p.m.-8:49 p.m.

1 stop7h 09m

C$ 451

Quickest round-trip

AtlantaToronto

ATL - YYZ

ATLYYZ

Atlanta Hartsfield-Jackson

Sun 12/7

6:35 a.m.-3:00 p.m.

1 stop8h 25m

Toronto Pearson Intl

Tue 14/7

6:30 a.m.-2:04 p.m.

1 stop7h 34m

C$ 452

AtlantaToronto

ATL - YTZ

ATLYTZ

Atlanta Hartsfield-Jackson

Tue 4/8

5:30 a.m.-5:20 p.m.

1 stop11h 50m

Toronto Island

Sat 8/8

1:40 p.m.-11:49 p.m.

1 stop10h 09m

C$ 452

AtlantaToronto

ATL - YYZ

ATLYYZ

Atlanta Hartsfield-Jackson

Wed 9/9

9:13 p.m.-2:05 p.m.

1 stop16h 52m

Toronto Pearson Intl

Wed 16/9

9:30 a.m.-12:27 a.m.

1 stop14h 57m

C$ 453

AtlantaToronto

ATL - YYZ

ATLYYZ

Atlanta Hartsfield-Jackson

Fri 11/9

9:13 p.m.-2:05 p.m.

1 stop16h 52m

Toronto Pearson Intl

Fri 18/9

8:10 a.m.-8:18 p.m.

1 stop12h 08m

C$ 455

AtlantaToronto

ATL - YYZ

ATLYYZ

Atlanta Hartsfield-Jackson

Thu 13/8

6:35 a.m.-2:05 p.m.

1 stop7h 30m

Toronto Pearson Intl

Sat 15/8

6:30 a.m.-8:04 p.m.

1 stop13h 34m

C$ 456

AtlantaToronto

ATL - YYZ

ATLYYZ

Atlanta Hartsfield-Jackson

Mon 20/7

6:35 a.m.-5:09 p.m.

2 stops10h 34m

Toronto Pearson Intl

Sun 20/9

7:30 a.m.-9:32 p.m.

1 stop14h 02m

C$ 458

AtlantaLondon

ATL - YXU

ATLYXU

Atlanta Hartsfield-Jackson

Tue 4/8

7:05 p.m.-5:20 a.m.

1 stop10h 15m

London

Tue 11/8

8:40 p.m.-6:45 a.m.

1 stop10h 05m

C$ 711

AtlantaLondon

ATL - YXU

ATLYXU

Atlanta Hartsfield-Jackson

Tue 4/8

8:15 a.m.-5:20 a.m.

1 stop21h 05m

London

Tue 11/8

2:40 p.m.-6:45 a.m.

2 stops16h 05m

C$ 849

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, August 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$ 78. If you are unable to visit Region of Ontario during the month of August, then departing from Atlanta during the month December is also very affordable. Most momondo users find prices during this month for around C$ 140.

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 Friday. Travellers who choose to depart for Region of Ontario on a Friday will often find tickets for as low as C$ 348. The most expensive day to fly to Region of Ontario is Monday, with ticket prices averaging around C$ 862.

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 in the afternoon. Flights from Atlanta to Region of Ontario during this time can be as low as C$ 303. If you have a flexible travel schedule, then try to avoid flying at noon when prices are C$ 740 on average. Flights to Region of Ontario from Atlanta at noon 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 from Atlanta to 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$ 872 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$ 645 on momondo.

What cabin class options are available on Atlanta to Region of Ontario flights?

There are 4 cabin classes available to choose from on Atlanta to Region of 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?

No. A direct flight is the cheapest option for a flight between Atlanta to Region of Ontario.

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$ 363
Fastest flight time	2h 11m
Direct flights	Every day
Airports in Region of Ontario	125 airports

The best one-way flight to Region of Ontario from Atlanta in the past 72 hours is C$ 363. The best round-trip flight deal from Atlanta to Region of Ontario found on momondo in the last 72 hours is C$ 303.

The fastest flight from Atlanta to Region of Ontario takes 2h 11m

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

There are 125 airports in Region of Ontario. From Atlanta there are direct flights to Montreal Pierre Elliott Trudeau Intl (YUL), Toronto Pearson Intl (YYZ).

Search flight deals

Frequently asked questions about flying from Atlanta to Ontario

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 June 2026.
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 Boeing 737-900, making up 20.82% of the total bookings. Other popular models include Airbus A350-900 with 17.90%, Embraer 175 with 16.95%, and Airbus A321-100/200 with 15.39%.

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
WestJet	PriceFrom C$ 332	Free Cancellation	Rating 7.2 3,379 reviews	Search WestJet flights
Delta	PriceFrom C$ 340	Free Cancellation	Rating 7.8 8,425 reviews	Search Delta flights
Air Canada	PriceFrom C$ 363	Free Cancellation	Rating 7.1 11,244 reviews	Search Air Canada 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

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Popular Cities in Ontario

Flights to Torontofrom C$ 137

Flights to Vancouverfrom C$ 108

Flights to Montrealfrom C$ 279

Flights to Calgaryfrom C$ 126

Flights to Winnipegfrom C$ 140

Flights to Ottawafrom C$ 186

Flights to Halifaxfrom C$ 173

Flights to Kelownafrom C$ 118

Flights to Saskatoonfrom C$ 204

Flights to St. John'sfrom C$ 272

Flights to Reginafrom C$ 255

Flights to Vancouverfrom C$ 109

Cheap flights from Atlanta to Ontario from C$ 211

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 13/7. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.

Find the cheapest flights from Atlanta to Ontario

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Delta flights from Atlanta to Region of Ontario

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

WestJet flights from Atlanta to Region of Ontario

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

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

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

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?

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?

How far in advance should I book a flight from Atlanta to Ontario?

What cabin class options are available on Atlanta to Region of Ontario flights?

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

What is the cheapest airline that flies 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?

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

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

Frequently asked questions about flying from Atlanta to 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?

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

Atlanta flight routes

According to popular flight searches on momondo this year

Region of Ontario flight routes

According to popular flight searches on momondo this year

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