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

Departing from Region of Ontario to USA will take you 1h 43m. There are 521 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$ 43. 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$ 156+ Cheap Flights from Ontario to the United States

Cheap flight deals from Ontario to USA

Enter your travel dates to find the best prices.

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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 17 September 2026.

Sun 25/107:35 a.m. -

Nonstop3h 20m

Thu 29/1012:00 p.m. -

Nonstop3h 20m

Deal found 13/9C$ 218

Sun 25/107:00 a.m. -

Nonstop3h 30m

Thu 29/109:35 p.m. -

Nonstop3h 20m

Deal found 15/9C$ 219

Sun 25/107:00 a.m. -

Nonstop3h 30m

Fri 30/108:35 p.m. -

Nonstop3h 20m

Deal found 15/9C$ 222

Tue 17/119:20 a.m. -

Nonstop3h 30m

Thu 26/1112:00 p.m. -

Nonstop3h 20m

Deal found 14/9C$ 223

Wed 18/119:20 a.m. -

Nonstop3h 30m

Wed 2/127:35 p.m. -

Nonstop3h 20m

Deal found 14/9C$ 225

Sun 1/117:00 a.m. -

Nonstop3h 30m

Fri 13/117:35 p.m. -

Nonstop3h 20m

Deal found 13/9C$ 226

Sun 18/106:30 a.m. -

Nonstop3h 20m

Mon 26/1012:00 p.m. -

Nonstop3h 20m

Deal found 12/9C$ 227

Sun 25/107:00 a.m. -

Nonstop3h 30m

Thu 29/1012:00 p.m. -

Nonstop3h 20m

Deal found 16/9C$ 229

Wed 28/109:20 a.m. -

Nonstop3h 30m

Wed 4/117:35 p.m. -

Nonstop3h 20m

Deal found 15/9C$ 230

Wed 28/109:20 a.m. -

Nonstop3h 30m

Mon 2/111:50 p.m. -

Nonstop3h 20m

Deal found 14/9C$ 232

Sun 8/119:35 a.m. -

Nonstop3h 20m

Sat 14/118:05 p.m. -

Nonstop3h 15m

Deal found 13/9C$ 233

Thu 15/108:20 a.m. -

Nonstop1h 25m

Sun 18/106:30 a.m. -

Nonstop1h 30m

Deal found 16/9C$ 304

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 17 September 2026.

Sun 25/106:10 a.m. -

1 stop11h 51m

Thu 29/108:15 a.m. -

1 stop9h 34m

Deal found 12/9C$ 300

Sun 25/108:35 a.m. -

1 stop14h 10m

Thu 29/103:20 p.m. -

1 stop7h 36m

Deal found 15/9C$ 312

Sat 3/1012:08 p.m. -

1 stop6h 42m

Mon 5/106:30 a.m. -

1 stop5h 49m

Deal found 14/9C$ 321

Tue 20/1011:55 a.m. -

1 stop3h 50m

Thu 22/102:35 p.m. -

1 stop5h 40m

Deal found 12/9C$ 329

Mon 9/117:00 a.m. -

Nonstop1h 29m

Mon 9/114:05 p.m. -

Nonstop1h 45m

Deal found 16/9C$ 435

Wed 18/113:35 p.m. -

1 stop8h 24m

Sun 22/118:52 p.m. -

1 stop12h 55m

Deal found 12/9C$ 312

Mon 16/116:15 a.m. -

1 stop10h 15m

Fri 20/116:35 a.m. -

1 stop9h 40m

Deal found 15/9C$ 321

Tue 6/107:30 a.m. -

Nonstop1h 40m

Wed 7/102:35 p.m. -

Nonstop1h 40m

Deal found 17/9C$ 329

Fri 4/1210:35 a.m. -

1 stop6h 10m

Sun 6/128:00 a.m. -

Nonstop1h 38m

Deal found 12/9C$ 331

Wed 30/910:15 a.m. -

1 stop6h 23m

Wed 7/104:27 p.m. -

1 stop7h 32m

Deal found 14/9C$ 312

Sat 10/107:00 p.m. -

Nonstop1h 48m

Tue 13/109:00 a.m. -

Nonstop1h 40m

Deal found 17/9C$ 329

Fri 23/1011:38 a.m. -

1 stop10h 03m

Mon 2/117:00 a.m. -

1 stop9h 12m

Deal found 16/9C$ 343

Mon 26/106:45 a.m. -

1 stop6h 33m

Fri 30/107:00 a.m. -

1 stop7h 03m

Deal found 12/9C$ 312

Fri 20/117:10 p.m. -

Nonstop1h 25m

Tue 24/119:40 a.m. -

Nonstop1h 38m

Deal found 12/9C$ 351

Wed 11/118:35 a.m. -

1 stop14h 10m

Sat 14/118:00 a.m. -

Nonstop3h 05m

Deal found 13/9C$ 344

Fri 30/1012:15 p.m. -

1 stop4h 30m

Sat 31/105:25 p.m. -

1 stop4h 33m

Deal found 16/9C$ 353

Mon 12/107:30 a.m. -

Nonstop1h 40m

Sun 18/109:59 a.m. -

Nonstop1h 44m

Deal found 16/9C$ 329

Wed 14/107:50 p.m. -

Nonstop1h 43m

Wed 21/107:30 a.m. -

1 stop4h 27m

Deal found 15/9C$ 377

Sat 7/118:35 a.m. -

1 stop11h 33m

Wed 18/118:00 a.m. -

Nonstop3h 05m

Deal found 13/9C$ 344

Sun 1/117:00 a.m. -

1 stop5h 10m

Fri 20/1111:55 a.m. -

Nonstop1h 38m

Deal found 17/9C$ 353

Thu 10/1212:55 p.m. -

1 stop9h 35m

Mon 14/126:30 a.m. -

1 stop16h 07m

Deal found 15/9C$ 333

Mon 26/109:40 a.m. -

1 stop11h 27m

Mon 2/1111:30 p.m. -

1 stop7h 53m

Deal found 14/9C$ 377

Tue 3/116:00 a.m. -

1 stop6h 03m

Tue 3/114:05 p.m. -

1 stop5h 40m

Deal found 16/9C$ 368

Mon 2/117:10 p.m. -

Nonstop1h 25m

Fri 6/1111:55 a.m. -

Nonstop1h 38m

Deal found 14/9C$ 375

Sat 17/1010:45 a.m. -

1 stop11h 59m

Sun 25/108:52 p.m. -

1 stop12h 55m

Deal found 15/9C$ 344

Thu 29/105:10 p.m. -

1 stop6h 06m

Wed 4/116:00 a.m. -

1 stop5h 57m

Deal found 16/9C$ 384

Fri 6/117:00 a.m. -

Nonstop1h 53m

Sun 8/116:55 a.m. -

Nonstop1h 37m

Deal found 15/9C$ 375

Wed 30/910:30 a.m. -

1 stop5h 15m

Fri 9/108:55 a.m. -

Nonstop1h 35m

Deal found 15/9C$ 384

Wed 7/106:00 a.m. -

1 stop7h 54m

Mon 12/107:00 a.m. -

Nonstop1h 32m

Deal found 15/9C$ 385

Fri 11/129:44 a.m. -

Nonstop1h 46m

Mon 14/127:28 p.m. -

Nonstop1h 56m

Deal found 12/9C$ 363

Find flight deals from Ontario to USA

Round-trip from	C$ 218
One-way from	C$ 156
Popular in	July
Cheapest in	January
Average price	C$ 377
Good round-trip deal	C$ 250 or less
Good one-way deal	C$ 164 or less

Flair Airlines
25/10-29/10
Nonstop
6h 40m total
Ontario to USA

Search Deals

WestJet
21/11-31/12
Nonstop
3h 30m total
Ontario to USA

Search Deals

Highest demand for flights based on searches. 12% potential increase in price (C$ 83 potential increase over avg. RT price).

Search Deals

Cheapest flight prices on average. 2% potential price decrease (C$ 13 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 Ontario to USA.

Search Deals

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

Search Deals

Cheapflights Fare Finder

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

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

TorontoFort Lauderdale

YYZ Toronto Pearson Intl - FLL Fort Lauderdale

YYZFLL

Toronto Pearson Intl

Sun 8/11

6:10 a.m.-8:28 p.m.

1 stop14h 18m

Fort Lauderdale

Wed 31/12

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

Nonstop0h 00m

C$ 185

TorontoFort Lauderdale

YYZ Toronto Pearson Intl - FLL Fort Lauderdale

YYZFLL

Toronto Pearson Intl

Wed 18/11

8:35 a.m.-3:03 p.m.

1 stop6h 28m

Fort Lauderdale

Wed 31/12

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

Nonstop0h 00m

C$ 185

TorontoFort Lauderdale

YYZ Toronto Pearson Intl - FLL Fort Lauderdale

YYZFLL

Toronto Pearson Intl

Sun 4/10

6:10 a.m.-6:23 p.m.

1 stop12h 13m

Fort Lauderdale

Wed 31/12

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

Nonstop0h 00m

C$ 197

TorontoFort Lauderdale

YYZ Toronto Pearson Intl - FLL Fort Lauderdale

YYZFLL

Toronto Pearson Intl

Tue 20/10

9:00 p.m.-3:05 p.m.

2 stops18h 05m

Fort Lauderdale

Wed 31/12

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

Nonstop0h 00m

C$ 197

TorontoFort Lauderdale

YYZ Toronto Pearson Intl - FLL Fort Lauderdale

YYZFLL

Toronto Pearson Intl

Wed 14/10

10:15 a.m.-4:38 p.m.

1 stop6h 23m

Fort Lauderdale

Wed 31/12

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

Nonstop0h 00m

C$ 197

TorontoFort Lauderdale

YYZ Toronto Pearson Intl - FLL Fort Lauderdale

YYZFLL

Toronto Pearson Intl

Tue 8/12

8:35 a.m.-9:15 p.m.

2 stops12h 40m

Fort Lauderdale

Wed 31/12

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

Nonstop0h 00m

C$ 198

TorontoFort Lauderdale

YYZ Toronto Pearson Intl - FLL Fort Lauderdale

YYZFLL

Toronto Pearson Intl

Wed 7/10

8:50 a.m.-4:38 p.m.

1 stop7h 48m

Fort Lauderdale

Wed 31/12

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

Nonstop0h 00m

C$ 198

TorontoFort Lauderdale

YYZ Toronto Pearson Intl - FLL Fort Lauderdale

YYZFLL

Toronto Pearson Intl

Fri 20/11

12:15 p.m.-6:53 p.m.

1 stop6h 38m

Fort Lauderdale

Wed 31/12

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

Nonstop0h 00m

C$ 202

TorontoFort Lauderdale

YYZ Toronto Pearson Intl - FLL Fort Lauderdale

YYZFLL

Toronto Pearson Intl

Thu 10/12

2:25 p.m.-11:40 p.m.

1 stop9h 15m

Fort Lauderdale

Wed 31/12

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

Nonstop0h 00m

C$ 202

TorontoFort Lauderdale

YYZ Toronto Pearson Intl - FLL Fort Lauderdale

YYZFLL

Toronto Pearson Intl

Thu 19/11

12:55 p.m.-8:06 p.m.

1 stop7h 11m

Fort Lauderdale

Wed 31/12

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

Nonstop0h 00m

C$ 215

Flights are sorted by cheapest round-trip flights first.

Deals found on 15/9

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-FLL

YTZ-EWR

YTZ-LGA

YUL-FLL

YUL-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-FLL

YTZ-EWR

YTZ-LGA

YUL-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$ 407). Flying from Region of Ontario to USA in August is currently the most expensive (average of C$ 537). 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 28% 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 (15 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 85 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. Tuesday evenings 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 43m. There are 521 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$ 43. 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$ 407). Flying from Region of Ontario to USA in August is currently the most expensive (average of C$ 537). 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$ 120	AverageC$ 639	FlexibilityNo cancel fee	On-time67%	Search Air Canada flights
WestJet	CheapestC$ 159	AverageC$ 508	FlexibilityNo cancel fee	On-time60%	Search WestJet flights
Flair Airlines	CheapestC$ 171	AverageC$ 345	FlexibilityNo cancel fee	On-timeN/A	Search Flair Airlines flights
Delta	CheapestC$ 193	AverageC$ 556	FlexibilityNo cancel fee	On-timeN/A	Search Delta flights
JetBlue	CheapestC$ 207	AverageC$ 239	FlexibilityNo cancel fee	On-time62%	Search JetBlue flights
Porter Airlines	CheapestC$ 214	AverageC$ 513	FlexibilityNo cancel fee	On-time52%	Search Porter Airlines flights
American Airlines	CheapestC$ 233	AverageC$ 593	FlexibilityNo cancel fee	On-time71%	Search American Airlines flights
United Airlines	CheapestC$ 252	AverageC$ 623	FlexibilityNo cancel fee	On-time69%	Search United Airlines flights
Air Transat	CheapestC$ 297	AverageC$ 542	FlexibilityNo cancel fee	On-time50%	Search Air Transat flights
Qatar Airways	CheapestC$ 746	AverageC$ 796	FlexibilityNo cancel fee	On-time68%	Search Qatar 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$ 156

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 21/11. 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 17 September 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 17 September 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 17 September 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 17 September 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 17 September 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 17 September 2026.

Last-minute flights from Ontario to USADiscover last-minute flight deals from Ontario to USA. Data last updated 17 September 2026 and is based on user searches.

Discover last-minute flight deals from Ontario to USA. Data last updated 17 September 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 17 September 2026.

Search for one-way flight options from Ontario to USA. Find affordable one-way fares based on user searches. Data last updated 17 September 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 17 September 2026.

Unlike in the afternoon, when flights are generally more expensive, you can save up to 28% 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 17 September 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 (15 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 85 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 12 September 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. Tuesday evenings 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

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

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 17 September 2026.

Popular flight searches

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

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

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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 17 September 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 17 September 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 17 September 2026.

Last-minute flights from Ontario to USA
Discover last-minute flight deals from Ontario to USA. Data last updated 17 September 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 17 September 2026.