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

Departing from Region of Ontario to USA will take you 1h 45m. There are 573 km between Region of Ontario and USA. When browsing for deals, the options you’ll see will be for both direct flights and flights with stops.

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

The cheapest airline one-way is Air Transat, with whom users have recently found tickets for as low as C$ 44. However, be on the lookout for offers from WestJet and United Airlines, as they are both options that can get you from Region of Ontario to USA for a low price.

In terms of precipitation, rainfall in USA ranges from 61.0 - 221.0 mm per month. June is typically the wettest month, when rainfall can reach 221.0 mm. November is typically the driest time to visit USA when rainfall is around 61.0 mm.

If weather is an important factor for your trip to USA, 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 29.0 C. Travellers hoping to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 16.0 C).

Can I find deals for flights from Ontario to USA that include hotel bookings?

Yes. In addition to deals on Ontario to USA flights, Cheapflights offers vacation packages that include both flights and hotel.

How can I find direct flights from Ontario to USA?

After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Ontario to USA.

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

Yes. Cheapflights offers flight deals from Ontario to USA 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$ 160+ Cheap Flights from Ontario to the United States

Cheap flight deals from Ontario to USA

Enter your travel dates to find the best prices.

Cheapest

Best

Direct

Last-minute

One-way

Cheapest flights from Ontario to USA
Explore the most affordable flight options available from Ontario to USA. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 16 October 2026.

Sun 22/117:35 a.m. -

Nonstop3h 20m

Wed 16/128:35 p.m. -

Nonstop3h 20m

Deal found 11/10C$ 212

Mon 7/127:35 a.m. -

Nonstop3h 20m

Wed 16/128:35 p.m. -

Nonstop3h 20m

Deal found 13/10C$ 214

Tue 24/119:35 a.m. -

Nonstop3h 19m

Sat 28/118:05 p.m. -

Nonstop3h 15m

Deal found 13/10C$ 227

Fri 30/104:20 p.m. -

Nonstop3h 20m

Sat 7/118:05 p.m. -

Nonstop3h 15m

Deal found 15/10C$ 229

Sun 1/114:20 p.m. -

Nonstop3h 19m

Thu 5/1111:35 a.m. -

Nonstop3h 15m

Deal found 14/10C$ 234

Mon 23/117:35 a.m. -

Nonstop3h 20m

Wed 16/128:35 p.m. -

Nonstop3h 20m

Deal found 14/10C$ 240

Sun 6/129:30 a.m. -

Nonstop3h 04m

Sun 2/58:45 p.m. -

Nonstop2h 56m

Deal found 13/10C$ 253

Mon 2/1112:20 p.m. -

Nonstop3h 01m

Thu 5/114:20 p.m. -

Nonstop2h 57m

Deal found 13/10C$ 257

Fri 30/1010:53 a.m. -

1 stop13h 06m

Mon 2/1110:05 p.m. -

Nonstop2h 47m

Deal found 13/10C$ 274

Fri 13/113:35 p.m. -

1 stop6h 08m

Mon 16/117:04 p.m. -

1 stop4h 48m

Deal found 13/10C$ 288

Wed 9/129:30 a.m. -

Nonstop3h 04m

Sun 13/1210:05 p.m. -

Nonstop2h 47m

Deal found 13/10C$ 290

Mon 7/122:25 p.m. -

Nonstop3h 01m

Fri 18/128:50 p.m. -

Nonstop2h 57m

Deal found 14/10C$ 294

Best flights from Ontario to USA
Discover carefully curated flight deals from Ontario to USA that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated 16 October 2026.

Sun 10/110:53 a.m. -

1 stop11h 06m

Sat 16/110:05 p.m. -

Nonstop2h 47m

Deal found 10/10C$ 335

Tue 3/116:10 a.m. -

1 stop9h 36m

Mon 16/116:30 a.m. -

1 stop16h 07m

Deal found 13/10C$ 335

Thu 5/117:55 a.m. -

Nonstop1h 45m

Sun 8/119:55 p.m. -

Nonstop1h 41m

Deal found 15/10C$ 338

Sun 15/117:00 a.m. -

1 stop5h 06m

Fri 20/118:00 a.m. -

Nonstop1h 39m

Deal found 14/10C$ 344

Fri 11/124:50 p.m. -

Nonstop3h 01m

Wed 30/128:40 p.m. -

Nonstop2h 57m

Deal found 12/10C$ 540

Thu 19/115:15 p.m. -

2 stops19h 16m

Sat 21/118:40 p.m. -

2 stops16h 25m

Deal found 15/10C$ 649

Mon 2/116:00 a.m. -

Nonstop1h 55m

Tue 3/112:25 p.m. -

Nonstop1h 47m

Deal found 10/10C$ 341

Mon 7/129:00 a.m. -

2 stops7h 55m

Fri 11/1212:50 p.m. -

1 stop5h 39m

Deal found 13/10C$ 344

Mon 2/116:45 a.m. -

1 stop6h 33m

Fri 6/118:55 a.m. -

1 stop5h 30m

Deal found 13/10C$ 355

Tue 3/117:44 p.m. -

1 stop3h 50m

Sun 8/116:00 a.m. -

Nonstop1h 42m

Deal found 11/10C$ 362

Wed 4/117:00 a.m. -

1 stop5h 06m

Fri 6/112:15 p.m. -

Nonstop1h 39m

Deal found 10/10C$ 344

Wed 28/107:45 a.m. -

1 stop5h 37m

Wed 11/114:00 p.m. -

1 stop7h 41m

Deal found 14/10C$ 366

Thu 29/1012:00 p.m. -

2 stops11h 44m

Mon 2/115:25 p.m. -

1 stop6h 01m

Deal found 13/10C$ 366

Thu 26/1110:00 a.m. -

1 stop4h 15m

Fri 27/116:00 a.m. -

1 stop5h 45m

Deal found 13/10C$ 371

Thu 12/117:00 a.m. -

1 stop5h 06m

Mon 23/1112:50 p.m. -

1 stop5h 38m

Deal found 14/10C$ 344

Mon 7/127:35 a.m. -

1 stop5h 55m

Wed 16/127:00 a.m. -

1 stop6h 24m

Deal found 14/10C$ 366

Mon 21/126:10 a.m. -

1 stop14h 37m

Wed 6/16:30 a.m. -

1 stop16h 07m

Deal found 15/10C$ 368

Thu 5/117:00 a.m. -

1 stop5h 06m

Sun 8/1112:50 p.m. -

1 stop5h 38m

Deal found 14/10C$ 356

Mon 2/113:35 p.m. -

1 stop6h 08m

Mon 9/1110:05 p.m. -

Nonstop2h 47m

Deal found 13/10C$ 406

Thu 26/117:35 a.m. -

1 stop6h 40m

Sun 6/126:00 a.m. -

1 stop5h 28m

Deal found 10/10C$ 383

Thu 12/1110:53 a.m. -

1 stop5h 22m

Sat 14/113:29 p.m. -

1 stop5h 46m

Deal found 12/10C$ 385

Wed 9/127:00 a.m. -

2 stops9h 55m

Thu 10/1212:50 p.m. -

1 stop5h 39m

Deal found 15/10C$ 365

Thu 5/115:55 p.m. -

1 stop5h 34m

Sun 8/118:15 a.m. -

1 stop5h 48m

Deal found 12/10C$ 385

Sun 15/116:15 a.m. -

1 stop9h 00m

Tue 1/126:20 p.m. -

1 stop5h 38m

Deal found 14/10C$ 390

Wed 17/210:19 a.m. -

1 stop7h 31m

Sun 21/28:00 a.m. -

Nonstop2h 46m

Deal found 15/10C$ 460

Sat 7/118:35 a.m. -

1 stop5h 48m

Sun 8/118:15 a.m. -

1 stop5h 48m

Deal found 11/10C$ 385

Sat 5/129:00 a.m. -

2 stops7h 55m

Sun 6/125:35 p.m. -

1 stop4h 24m

Deal found 13/10C$ 405

Fri 30/105:04 p.m. -

Nonstop1h 47m

Tue 3/117:30 a.m. -

Nonstop1h 43m

Deal found 10/10C$ 408

Sun 22/118:30 p.m. -

Nonstop5h 03m

Tue 24/112:35 p.m. -

Nonstop4h 16m

Deal found 13/10C$ 660

Sat 7/113:35 p.m. -

1 stop6h 08m

Mon 16/118:30 a.m. -

1 stop15h 22m

Deal found 14/10C$ 406

Find flight deals from Ontario to USA

Round-trip from	C$ 212
One-way from	C$ 160
Popular in	July
Cheapest in	January
Average price	C$ 392
Good round-trip deal	C$ 250 or less
Good one-way deal	C$ 178 or less

Flair Airlines
22/11-16/12
Nonstop
6h 40m total
Ontario to USA

Search Deals

Flair Airlines
6/12-31/12
Nonstop
3h 20m total
Ontario to USA

Search Deals

Highest demand for flights based on searches. 10% potential increase in price (C$ 74 potential increase over avg. RT price).

Search Deals

Cheapest flight prices on average. 1% potential price decrease (C$ 12 potential savings vs. average RT price).

Search Deals

Average for round-trip flights in October 2026

Search Deals

Price to beat on a round-trip flight from Ontario to USA.

Search Deals

Price to beat on a one-way flight from Ontario to USA.

Search Deals

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

TorontoTampa

YYZ Toronto Pearson Intl - TPA Tampa

YYZTPA

Toronto Pearson Intl

Fri 30/10

10:30 a.m.-4:06 p.m.

1 stop5h 36m

Tampa

Wed 31/12

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

Nonstop0h 00m

C$ 186

TorontoTampa

YYZ Toronto Pearson Intl - TPA Tampa

YYZTPA

Toronto Pearson Intl

Wed 16/12

2:57 p.m.-11:38 p.m.

1 stop8h 41m

Tampa

Wed 31/12

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

Nonstop0h 00m

C$ 193

TorontoFort Lauderdale

YYZ Toronto Pearson Intl - FLL Fort Lauderdale

YYZFLL

Toronto Pearson Intl

Tue 5/1

12:15 p.m.-9:05 p.m.

1 stop8h 50m

Fort Lauderdale

Wed 31/12

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

Nonstop0h 00m

C$ 203

TorontoNewark

YTZ Toronto Island - EWR Newark

YTZEWR

Toronto Island

Fri 4/12

9:00 a.m.-4:55 p.m.

2 stops7h 55m

Newark

Wed 31/12

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

Nonstop0h 00m

C$ 203

TorontoFort Lauderdale

YYZ Toronto Pearson Intl - FLL Fort Lauderdale

YYZFLL

Toronto Pearson Intl

Sat 21/11

12:15 p.m.-11:08 p.m.

1 stop10h 53m

Fort Lauderdale

Wed 31/12

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

Nonstop0h 00m

C$ 203

TorontoNewark

YTZ Toronto Island - EWR Newark

YTZEWR

Toronto Island

Mon 14/12

9:00 a.m.-4:55 p.m.

2 stops7h 55m

Newark

Wed 31/12

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

Nonstop0h 00m

C$ 203

TorontoTampa

YYZ Toronto Pearson Intl - TPA Tampa

YYZTPA

Toronto Pearson Intl

Thu 7/1

9:44 a.m.-4:14 p.m.

1 stop6h 30m

Tampa

Wed 31/12

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

Nonstop0h 00m

C$ 203

TorontoFort Lauderdale

YYZ Toronto Pearson Intl - FLL Fort Lauderdale

YYZFLL

Toronto Pearson Intl

Sun 10/1

7:59 a.m.-5:14 p.m.

1 stop9h 15m

Fort Lauderdale

Wed 31/12

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

Nonstop0h 00m

C$ 203

TorontoNewark

YTZ Toronto Island - EWR Newark

YTZEWR

Toronto Island

Tue 17/11

7:00 a.m.-12:06 p.m.

1 stop5h 06m

Newark

Wed 31/12

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

Nonstop0h 00m

C$ 203

TorontoFort Lauderdale

YYZ Toronto Pearson Intl - FLL Fort Lauderdale

YYZFLL

Toronto Pearson Intl

Wed 6/1

10:20 a.m.-6:35 p.m.

1 stop8h 15m

Fort Lauderdale

Wed 31/12

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

Nonstop0h 00m

C$ 203

Flights are sorted by cheapest round-trip flights first.

Deals found on 13/10

Showing 1-10 of 60 resultsSorted by cheapest first

...

Best time to book a flight from Ontario to USA

Have a flexible travel schedule? Discover the best time to fly to USA from Ontario with our price prediction graph.

YYZ-TPA

YYZ-MCO

YYZ-LGA

YYZ-FLL

YTZ-EWR

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 Ontario to the United States

CAON-US0

YYZ-TPA

YYZ-MCO

YYZ-LGA

YYZ-FLL

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

Currently, January is the cheapest month in which you can book a flight from Region of Ontario to USA (average of C$ 422). Flying from Region of Ontario to USA in August is currently the most expensive (average of C$ 547). 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 ON to US?

Unlike in the afternoon, when flights are generally more expensive, you can save up to 27% on flights from Region of Ontario to USA by exploring options for tickets in the morning.

Weekly flight availability from Region of Ontario to USA

The most flights from CAON to US0 are scheduled on a Wednesday (22 on average). You will have fewer flight options on Monday, which is when the least amount of flights are scheduled (18 on average).

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

To ensure you get the cheapest price possible for a flight from Region of Ontario to USA, you should look to book at least 54 days in advance of your intended travel date. The price of your flight may increase if you delay and leave booking until a week or so before departure.

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

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

Related info for your journey

How long is the flight from Region of Ontario to USA?
Departing from Region of Ontario to USA will take you 1h 45m. There are 573 km between Region of Ontario and USA. When browsing for deals, the options you’ll see will be for both direct flights and flights with stops.
What are the cheapest airlines to fly from Region of Ontario to USA one-way?
The cheapest airline one-way is Air Transat, with whom users have recently found tickets for as low as C$ 44. However, be on the lookout for offers from WestJet and United Airlines, as they are both options that can get you from Region of Ontario to USA for a low price.
Can I find deals for flights from Ontario to USA that include hotel bookings?
Yes. In addition to deals on Ontario to USA flights, Cheapflights offers vacation packages that include both flights and hotel.
How can I find direct flights from Ontario to USA?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Ontario to USA.
Can I find deals for business class flights from Ontario to USA?
Yes. Cheapflights offers flight deals from Ontario to USA 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 Region of Ontario to USA?
Currently, January is the cheapest month in which you can book a flight from Region of Ontario to USA (average of C$ 422). Flying from Region of Ontario to USA in August is currently the most expensive (average of C$ 547). 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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Alternative routes for Ontario to USA

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Top 10 airlines flying from Ontario to USA

Airline	Cheapest	Average	Flexibility	On-time
Air Canada	CheapestC$ 122	AverageC$ 658	FlexibilityNo cancel fee	On-time67%	Search Air Canada flights
Flair Airlines	CheapestC$ 178	AverageC$ 357	FlexibilityNo cancel fee	On-timeN/A	Search Flair Airlines flights
WestJet	CheapestC$ 205	AverageC$ 534	FlexibilityNo cancel fee	On-time60%	Search WestJet flights
Delta	CheapestC$ 213	AverageC$ 570	FlexibilityNo cancel fee	On-timeN/A	Search Delta flights
Porter Airlines	CheapestC$ 222	AverageC$ 532	FlexibilityNo cancel fee	On-time52%	Search Porter Airlines flights
American Airlines	CheapestC$ 237	AverageC$ 598	FlexibilityNo cancel fee	On-time71%	Search American Airlines flights
United Airlines	CheapestC$ 252	AverageC$ 659	FlexibilityNo cancel fee	On-time69%	Search United Airlines flights
Air Transat	CheapestC$ 288	AverageC$ 537	FlexibilityNo cancel fee	On-time50%	Search Air Transat flights
Qatar Airways	CheapestC$ 759	AverageC$ 811	FlexibilityNo cancel fee	On-time68%	Search Qatar Airways flights
Qantas Airways	CheapestC$ 761	AverageC$ 828	FlexibilityNo cancel fee	On-time74%	Search Qantas Airways flights

Fly with Cheapflights

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

900+ travel sites are searched through when a user searches for a flight using Cheapflights. From the search interface, users can use filters to choose airlines, airports, flight times, cabin classes and more to their preference. Book your flight to USA from Ontario today with Cheapflights!

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

Cheapflights simply makes it quick and affordable to book flights from Ontario to USA by bringing together all flight options from hundreds of airlines and agencies online — and put it in one place for you to choose from. Plus, Cheapflights is 100% free to use for all.

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

Yes! Cheapflights helps users easily find flights from Ontario to USA with no change fees.

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

Not ready to book yet? You can track prices for flights from Ontario to USA on Cheapflights with our Price Alert feature and get notified when better prices are available.

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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.

Cheap flights from Ontario to the United States from C$ 160

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 6/12. Fares are subject to change and may not be available on all flights or dates of travel.

Cheap flight deals from Ontario to USA

Cheapest flights from Ontario to USAExplore the most affordable flight options available from Ontario to USA. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 16 October 2026.

Explore the most affordable flight options available from Ontario to USA. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 16 October 2026.

Best flights from Ontario to USADiscover carefully curated flight deals from Ontario to USA that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated 16 October 2026.

Discover carefully curated flight deals from Ontario to USA that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated 16 October 2026.

Direct flights from Ontario to USAExplore direct flight options from Ontario to USA based on user searches, and compare prices and availability for your desired travel dates. Data last updated 16 October 2026.

Explore direct flight options from Ontario to USA based on user searches, and compare prices and availability for your desired travel dates. Data last updated 16 October 2026.

Last-minute flights from Ontario to USADiscover last-minute flight deals from Ontario to USA. Data last updated 16 October 2026 and is based on user searches.

Discover last-minute flight deals from Ontario to USA. Data last updated 16 October 2026 and is based on user searches.

One-way flights from Ontario to USASearch for one-way flight options from Ontario to USA. Find affordable one-way fares based on user searches. Data last updated 16 October 2026.

Search for one-way flight options from Ontario to USA. Find affordable one-way fares based on user searches. Data last updated 16 October 2026.

Find flight deals from Ontario to USA

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 Ontario to the United States that are best for you.

Best time to book a flight from Ontario to USA

Have a flexible travel schedule? Discover the best time to fly to USA from Ontario with our price prediction graph.

Cheapflights Insights

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

What is the cheapest time of day to fly from ON to US?

Find hourly flight availability from Ontario to USA. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 16 October 2026.

Unlike in the afternoon, when flights are generally more expensive, you can save up to 27% on flights from Region of Ontario to USA by exploring options for tickets in the morning.

Weekly flight availability from Region of Ontario to USA

Explore weekly flight availability from Ontario to USA. 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 16 October 2026.

The most flights from CAON to US0 are scheduled on a Wednesday (22 on average). You will have fewer flight options on Monday, which is when the least amount of flights are scheduled (18 on average).

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

To ensure you get the cheapest price possible for a flight from Region of Ontario to USA, you should look to book at least 54 days in advance of your intended travel date. The price of your flight may increase if you delay and leave booking until a week or so before departure.

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

Use this chart to determine the cheapest time to fly round-trip from Ontario to USA. Price data was last updated on 10 October 2026.

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

Related info for your journey

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

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

Can I find deals for flights from Ontario to USA that include hotel bookings?

How can I find direct flights from Ontario to USA?

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

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

Browse thousands of different options on Cheapflights for your next trip

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Alternative routes for Ontario to USA

See prices for flight routes from nearby airports that may be better suited for you.

Complete your trip

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

Direct flights to

Book a non-stop flight to one of these other cities located in .

Search flights from Ontario to USA by cabin class

Find flights from Ontario to USA, based on your preferred cabin class, be it economy, premium economy, business, or first class.

Ontario and USA flights

Browse other Ontario and USA flight options. Last updated on 16 October 2026.

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Check out other popular destinations found by fellow travellers in 2026

Find a return flight route from USA

Find the right flight back to Ontario after your stay in USA

Ontario to USA flights

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Top 10 airlines flying from Ontario to USA

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Cheapest flights from Ontario to USA
Explore the most affordable flight options available from Ontario to USA. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 16 October 2026.

Best flights from Ontario to USA
Discover carefully curated flight deals from Ontario to USA that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated 16 October 2026.

Direct flights from Ontario to USA
Explore direct flight options from Ontario to USA based on user searches, and compare prices and availability for your desired travel dates. Data last updated 16 October 2026.

Last-minute flights from Ontario to USA
Discover last-minute flight deals from Ontario to USA. Data last updated 16 October 2026 and is based on user searches.

One-way flights from Ontario to USA
Search for one-way flight options from Ontario to USA. Find affordable one-way fares based on user searches. Data last updated 16 October 2026.