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

Departing from Region of Ontario to USA will take you 4h 55m. There are 1764 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$ 168+ 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 10 November 2026.

Mon 14/127:35 a.m. -

Nonstop3h 20m

Thu 17/128:35 p.m. -

Nonstop3h 20m

Deal found 5/11C$ 206

Sun 6/127:35 a.m. -

Nonstop3h 20m

Wed 16/1212:00 p.m. -

Nonstop3h 20m

Deal found 9/11C$ 207

Mon 16/117:35 a.m. -

Nonstop3h 20m

Wed 16/1212:00 p.m. -

Nonstop3h 20m

Deal found 7/11C$ 214

Sun 22/117:35 a.m. -

Nonstop3h 20m

Fri 4/1212:00 p.m. -

Nonstop3h 20m

Deal found 6/11C$ 217

Mon 23/117:35 a.m. -

Nonstop3h 20m

Fri 4/1212:00 p.m. -

Nonstop3h 20m

Deal found 6/11C$ 220

Sun 6/127:35 a.m. -

Nonstop3h 20m

Tue 15/1212:00 p.m. -

Nonstop3h 20m

Deal found 6/11C$ 223

Sun 22/117:35 a.m. -

Nonstop3h 20m

Fri 27/1112:00 p.m. -

Nonstop3h 20m

Deal found 5/11C$ 224

Sat 5/127:35 a.m. -

Nonstop3h 20m

Wed 16/128:35 p.m. -

Nonstop3h 20m

Deal found 7/11C$ 226

Sun 6/127:35 a.m. -

Nonstop3h 20m

Thu 10/1212:00 p.m. -

Nonstop3h 20m

Deal found 4/11C$ 227

Fri 4/129:15 a.m. -

Nonstop3h 10m

Fri 11/121:15 p.m. -

Nonstop3h 00m

Deal found 6/11C$ 258

Sun 22/119:15 a.m. -

Nonstop3h 10m

Fri 27/111:15 p.m. -

Nonstop3h 00m

Deal found 4/11C$ 260

Sat 21/112:25 p.m. -

Nonstop3h 01m

Thu 3/124:20 p.m. -

Nonstop2h 57m

Deal found 5/11C$ 271

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 10 November 2026.

Tue 1/1212:20 p.m. -

1 stop4h 55m

Tue 8/124:20 p.m. -

1 stop7h 38m

Deal found 9/11C$ 320

Mon 1/29:44 a.m. -

1 stop9h 48m

Mon 8/210:05 p.m. -

Nonstop2h 47m

Deal found 9/11C$ 320

Wed 13/17:00 a.m. -

1 stop5h 12m

Fri 15/112:50 p.m. -

1 stop5h 39m

Deal found 9/11C$ 353

Tue 8/126:45 a.m. -

2 stops14h 30m

Sat 12/126:05 p.m. -

1 stop5h 54m

Deal found 8/11C$ 370

Mon 23/115:15 p.m. -

1 stop18h 25m

Wed 2/127:55 p.m. -

2 stops17h 10m

Deal found 5/11C$ 594

Sun 10/15:25 p.m. -

1 stop7h 20m

Sat 16/17:10 a.m. -

1 stop9h 09m

Deal found 5/11C$ 337

Wed 13/17:00 a.m. -

1 stop5h 12m

Thu 14/19:35 a.m. -

Nonstop1h 39m

Deal found 9/11C$ 353

Wed 2/1210:53 a.m. -

1 stop7h 26m

Sat 5/126:00 a.m. -

1 stop6h 46m

Deal found 8/11C$ 367

Mon 21/126:45 a.m. -

1 stop6h 37m

Tue 29/124:15 p.m. -

1 stop7h 44m

Deal found 8/11C$ 372

Fri 29/17:50 a.m. -

1 stop11h 04m

Sat 6/28:20 a.m. -

1 stop7h 54m

Deal found 6/11C$ 356

Mon 14/1210:35 a.m. -

1 stop6h 20m

Wed 16/128:00 a.m. -

Nonstop1h 39m

Deal found 9/11C$ 364

Thu 17/126:10 a.m. -

1 stop11h 23m

Fri 15/110:05 p.m. -

Nonstop2h 47m

Deal found 9/11C$ 368

Thu 17/126:45 a.m. -

1 stop5h 59m

Fri 15/17:00 a.m. -

2 stops11h 45m

Deal found 9/11C$ 392

Wed 25/116:15 a.m. -

1 stop9h 00m

Thu 3/126:20 p.m. -

1 stop5h 38m

Deal found 5/11C$ 358

Thu 3/127:00 a.m. -

2 stops9h 55m

Mon 7/1212:50 p.m. -

1 stop5h 39m

Deal found 6/11C$ 367

Sun 31/16:45 a.m. -

1 stop11h 25m

Sat 13/210:05 p.m. -

Nonstop2h 47m

Deal found 5/11C$ 375

Sun 22/116:15 a.m. -

1 stop5h 00m

Sun 29/112:20 p.m. -

1 stop9h 37m

Deal found 5/11C$ 358

Fri 11/123:35 p.m. -

1 stop5h 54m

Sun 13/127:15 a.m. -

1 stop6h 48m

Deal found 6/11C$ 398

Thu 10/129:00 a.m. -

2 stops7h 55m

Wed 16/125:35 p.m. -

1 stop4h 24m

Deal found 6/11C$ 367

Sun 13/128:35 a.m. -

1 stop5h 48m

Wed 16/126:00 a.m. -

Nonstop1h 42m

Deal found 4/11C$ 377

Wed 25/117:35 a.m. -

1 stop6h 55m

Sun 6/126:35 a.m. -

1 stop9h 39m

Deal found 6/11C$ 360

Sun 6/126:45 a.m. -

1 stop5h 23m

Sun 13/127:15 a.m. -

1 stop6h 48m

Deal found 6/11C$ 398

Fri 4/128:35 a.m. -

1 stop11h 50m

Sun 6/126:00 a.m. -

2 stops7h 23m

Deal found 7/11C$ 389

Wed 2/1210:53 a.m. -

1 stop7h 26m

Fri 4/126:20 p.m. -

1 stop5h 39m

Deal found 5/11C$ 399

Sun 17/110:05 a.m. -

1 stop8h 49m

Sun 28/27:00 a.m. -

1 stop9h 17m

Deal found 9/11C$ 365

Sun 13/127:00 a.m. -

1 stop5h 06m

Sat 19/122:15 p.m. -

Nonstop1h 39m

Deal found 9/11C$ 405

Thu 19/115:15 p.m. -

1 stop8h 30m

Tue 8/126:29 p.m. -

2 stops18h 36m

Deal found 4/11C$ 611

Tue 5/17:43 a.m. -

1 stop12h 04m

Fri 8/19:40 p.m. -

Nonstop3h 08m

Deal found 9/11C$ 398

Sun 13/127:00 a.m. -

2 stops9h 55m

Wed 16/125:35 p.m. -

1 stop4h 24m

Deal found 8/11C$ 405

Fri 18/126:45 a.m. -

1 stop5h 59m

Sat 26/127:00 a.m. -

1 stop14h 15m

Deal found 4/11C$ 412

Find flight deals from Ontario to USA

Round-trip from	C$ 206
One-way from	C$ 168
Popular in	December
Cheapest in	January
Average price	C$ 391
Good round-trip deal	C$ 213 or less
Good one-way deal	C$ 127 or less

Flair Airlines
14/12-17/12
Nonstop
6h 40m total
Ontario to USA

Search Deals

Porter Airlines
8/12-31/12
Nonstop
3h 20m total
Ontario to USA

Search Deals

High demand for flights, 1% potential price rise

Search Deals

Cheapest flight prices on average. 1% potential price decrease (C$ 11 potential savings vs. average RT price).

Search Deals

Average for round-trip flights in November 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

Mon 7/12

7:35 a.m.-2:15 p.m.

1 stop6h 40m

Tampa

Wed 31/12

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

Nonstop0h 00m

C$ 206

TorontoFort Lauderdale

YYZ Toronto Pearson Intl - FLL Fort Lauderdale

YYZFLL

Toronto Pearson Intl

Sun 22/11

2:57 p.m.-11:44 p.m.

1 stop8h 47m

Fort Lauderdale

Wed 31/12

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

Nonstop0h 00m

C$ 207

TorontoFort Lauderdale

YYZ Toronto Pearson Intl - FLL Fort Lauderdale

YYZFLL

Toronto Pearson Intl

Thu 10/12

2:25 p.m.-11:39 p.m.

1 stop9h 14m

Fort Lauderdale

Wed 31/12

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

Nonstop0h 00m

C$ 207

TorontoFort Lauderdale

YYZ Toronto Pearson Intl - FLL Fort Lauderdale

YYZFLL

Toronto Pearson Intl

Thu 28/1

12:25 p.m.-8:30 p.m.

1 stop8h 05m

Fort Lauderdale

Wed 31/12

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

Nonstop0h 00m

C$ 210

TorontoTampa

YYZ Toronto Pearson Intl - TPA Tampa

YYZTPA

Toronto Pearson Intl

Mon 30/11

6:00 a.m.-11:34 a.m.

1 stop5h 34m

Tampa

Wed 31/12

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

Nonstop0h 00m

C$ 210

TorontoNewark

YTZ Toronto Island - EWR Newark

YTZEWR

Toronto Island

Fri 11/12

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$ 213

TorontoTampa

YYZ Toronto Pearson Intl - TPA Tampa

YYZTPA

Toronto Pearson Intl

Thu 25/2

10:05 a.m.-4:12 p.m.

1 stop6h 07m

Tampa

Wed 31/12

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

Nonstop0h 00m

C$ 219

TorontoTampa

YYZ Toronto Pearson Intl - TPA Tampa

YYZTPA

Toronto Pearson Intl

Sat 5/12

2:57 p.m.-10:04 p.m.

1 stop7h 07m

Tampa

Wed 31/12

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

Nonstop0h 00m

C$ 220

TorontoTampa

YYZ Toronto Pearson Intl - TPA Tampa

YYZTPA

Toronto Pearson Intl

Thu 14/1

12:10 p.m.-7:42 p.m.

1 stop7h 32m

Tampa

Wed 31/12

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

Nonstop0h 00m

C$ 220

TorontoFort Lauderdale

YYZ Toronto Pearson Intl - FLL Fort Lauderdale

YYZFLL

Toronto Pearson Intl

Sun 13/12

6:10 p.m.-11:39 p.m.

1 stop5h 29m

Fort Lauderdale

Wed 31/12

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

Nonstop0h 00m

C$ 222

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/11

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

YYZ-TPA

YTZ-EWR

YYZ-LAX

YYZ-LGA

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

YYZ-TPA

YTZ-EWR

YYZ-LAX

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$ 433). Flying from Region of Ontario to USA in December is currently the most expensive (average of C$ 563). 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 30% 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 Friday (20 on average). You will have fewer flight options on Monday, which is when the least amount of flights are scheduled (17 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 81 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 afternoons 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 4h 55m. There are 1764 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$ 433). Flying from Region of Ontario to USA in December is currently the most expensive (average of C$ 563). 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$ 121	AverageC$ 648	FlexibilityNo cancel fee	On-time67%	Search Air Canada flights
Porter Airlines	CheapestC$ 174	AverageC$ 510	FlexibilityNo cancel fee	On-time52%	Search Porter Airlines flights
Flair Airlines	CheapestC$ 185	AverageC$ 362	FlexibilityNo cancel fee	On-timeN/A	Search Flair Airlines flights
Delta	CheapestC$ 195	AverageC$ 553	FlexibilityNo cancel fee	On-timeN/A	Search Delta flights
WestJet	CheapestC$ 225	AverageC$ 568	FlexibilityNo cancel fee	On-time60%	Search WestJet flights
American Airlines	CheapestC$ 235	AverageC$ 588	FlexibilityNo cancel fee	On-time71%	Search American Airlines flights
Air Transat	CheapestC$ 240	AverageC$ 525	FlexibilityNo cancel fee	On-time50%	Search Air Transat flights
United Airlines	CheapestC$ 250	AverageC$ 658	FlexibilityNo cancel fee	On-time69%	Search United Airlines flights
Qatar Airways	CheapestC$ 754	AverageC$ 806	FlexibilityNo cancel fee	On-time68%	Search Qatar Airways flights
Qantas Airways	CheapestC$ 756	AverageC$ 823	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.

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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$ 168

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 8/12. 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 10 November 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 10 November 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 10 November 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 10 November 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 10 November 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 10 November 2026.

Last-minute flights from Ontario to USADiscover last-minute flight deals from Ontario to USA. Data last updated 10 November 2026 and is based on user searches.

Discover last-minute flight deals from Ontario to USA. Data last updated 10 November 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 10 November 2026.

Search for one-way flight options from Ontario to USA. Find affordable one-way fares based on user searches. Data last updated 10 November 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 10 November 2026.

Unlike in the afternoon, when flights are generally more expensive, you can save up to 30% 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 10 November 2026.

The most flights from CAON to US0 are scheduled on a Friday (20 on average). You will have fewer flight options on Monday, which is when the least amount of flights are scheduled (17 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 81 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 7 November 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 afternoons 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

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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 10 November 2026.

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Find a return flight route from USA

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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 10 November 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 10 November 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 10 November 2026.

Last-minute flights from Ontario to USA
Discover last-minute flight deals from Ontario to USA. Data last updated 10 November 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 10 November 2026.