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Cheap flights from Ontario to the United States from C$ 164

YYZ — LAX
27 Nov — 4 Dec1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Ontario to USA

Enter your travel dates to find the best prices.

Cheapest flights from Ontario to USA

Sun 22/117:00 a.m. -
Nonstop3h 30m
Thu 26/119:35 p.m. -
Nonstop3h 20m
Deal found 24/10C$ 201
Sun 22/117:00 a.m. -
Nonstop3h 30m
Fri 27/117:35 p.m. -
Nonstop3h 20m
Deal found 23/10C$ 202
Mon 23/117:35 a.m. -
Nonstop3h 20m
Thu 26/1112:00 p.m. -
Nonstop3h 20m
Deal found 27/10C$ 208
Sat 21/117:00 a.m. -
Nonstop3h 30m
Tue 24/111:50 p.m. -
Nonstop3h 20m
Deal found 23/10C$ 217
Sun 22/119:35 a.m. -
Nonstop3h 19m
Fri 27/118:40 p.m. -
Nonstop3h 15m
Deal found 24/10C$ 219
Sun 1/117:35 a.m. -
Nonstop3h 20m
Thu 5/1112:00 p.m. -
Nonstop3h 20m
Deal found 28/10C$ 220
Mon 16/117:35 a.m. -
Nonstop3h 20m
Thu 26/1112:00 p.m. -
Nonstop3h 20m
Deal found 27/10C$ 224
Mon 9/117:35 a.m. -
Nonstop3h 20m
Thu 12/1112:00 p.m. -
Nonstop3h 20m
Deal found 28/10C$ 226
Sun 22/117:35 a.m. -
Nonstop3h 20m
Fri 27/1112:00 p.m. -
Nonstop3h 20m
Deal found 27/10C$ 229
Mon 7/127:25 a.m. -
Nonstop3h 27m
Wed 16/129:30 p.m. -
Nonstop3h 05m
Deal found 23/10C$ 230
Mon 21/129:15 a.m. -
Nonstop3h 10m
Mon 28/121:15 p.m. -
Nonstop3h 00m
Deal found 27/10C$ 246
Sun 13/129:15 a.m. -
Nonstop3h 10m
Fri 18/121:15 p.m. -
Nonstop3h 00m
Deal found 26/10C$ 247

Find flight deals from Ontario to USA

Round-trip from

C$ 198

One-way from

C$ 164

Popular in

July

Cheapest in

January

Average price

C$ 398

Good round-trip deal

C$ 231 or less

Good one-way deal

C$ 127 or less
WestJet
  • WestJet
  • 28/2-5/3
  • Nonstop
  • 6h 50m total
  • Ontario to USA
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Flair Airlines
  • Flair Airlines
  • 8/11-31/12
  • Nonstop
  • 3h 20m total
  • Ontario to USA
Search Deals
Highest demand for flights based on searches. 9% potential increase in price (C$ 61 potential increase over avg. RT price).
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Cheapest flight prices on average. 1% potential price decrease (C$ 10 potential savings vs. average RT price).
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Average for round-trip flights in October 2026
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Price to beat on a round-trip flight from Ontario to USA.
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Price to beat on a one-way flight from Ontario to USA.
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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
Quickest round-trip

TorontoNewark

YTZ Toronto Island - EWR Newark

YTZEWR

Toronto Island

Mon 16/11

7:35 a.m.-9:00 a.m.

Nonstop1h 25m

Newark

Wed 31/12

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

Nonstop0h 00m

C$ 195

TorontoFort Lauderdale

YYZ Toronto Pearson Intl - FLL Fort Lauderdale

YYZFLL

Toronto Pearson Intl

Wed 16/12

12:20 p.m.-9:30 p.m.

1 stop9h 10m

Fort Lauderdale

Wed 31/12

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

Nonstop0h 00m

C$ 202

TorontoTampa

YYZ Toronto Pearson Intl - TPA Tampa

YYZTPA

Toronto Pearson Intl

Mon 30/11

12:15 p.m.-8:55 p.m.

1 stop8h 40m

Tampa

Wed 31/12

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

Nonstop0h 00m

C$ 202

TorontoTampa

YYZ Toronto Pearson Intl - TPA Tampa

YYZTPA

Toronto Pearson Intl

Mon 7/12

12:18 p.m.-11:03 p.m.

1 stop10h 45m

Tampa

Wed 31/12

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

Nonstop0h 00m

C$ 202

TorontoNewark

YTZ Toronto Island - EWR Newark

YTZEWR

Toronto Island

Mon 14/12

7:00 a.m.-4:55 p.m.

2 stops9h 55m

Newark

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 15/12

7:00 a.m.-4:55 p.m.

2 stops9h 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

Sat 23/1

12:23 p.m.-11:04 p.m.

1 stop10h 41m

Tampa

Wed 31/12

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

Nonstop0h 00m

C$ 209

TorontoTampa

YYZ Toronto Pearson Intl - TPA Tampa

YYZTPA

Toronto Pearson Intl

Mon 16/11

12:15 p.m.-8:55 p.m.

1 stop8h 40m

Tampa

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

Fri 2/4

9:45 a.m.-6:30 p.m.

1 stop8h 45m

Tampa

Wed 31/12

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

Nonstop0h 00m

C$ 212

TorontoNewark

YTZ Toronto Island - EWR Newark

YTZEWR

Toronto Island

Sat 12/12

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

Flights are sorted by cheapest round-trip flights first.

Deals found on 25/10

Showing 1-10 of 60 resultsSorted by cheapest first
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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.
Estimated round-trip price

Cheapflights Insights

Everything you need to know about your flight from Ontario to the United States

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$ 425). Flying from Region of Ontario to USA in December is currently the most expensive (average of C$ 550). 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 29% on flights from Region of Ontario to USA by exploring options for tickets in the morning.

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. 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 1h 24m. There are 539 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$ 425). Flying from Region of Ontario to USA in December is currently the most expensive (average of C$ 550). 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

Browse thousands of different options on Cheapflights for your next trip

Alternative routes for Ontario to USA

Calgary to Cancún flights
Hamilton to Vancouver Intl flights
Vancouver Intl to Pearson Intl flights
Pearson Intl to Cancún flights
Edmonton to Vancouver Intl flights
Pearson Intl to Vancouver Intl flights
Toronto Island to Cancún flights
Pierre Elliott Trudeau Intl to Cancún flights
Vancouver Intl to Hamilton flights
Pearson Intl to Newark flights
Vancouver Intl to Benito Juarez flights
Pearson Intl to John F Kennedy Intl flights
Vancouver Intl to Edmonton flights
Toronto Island to Newark flights
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Toronto Island to Vancouver Intl flights
Pierre Elliott Trudeau Intl to Fort Lauderdale flights
Pierre Elliott Trudeau Intl to LaGuardia flights
Toronto Island to LaGuardia flights
Pierre Elliott Trudeau Intl to Newark flights
Pierre Elliott Trudeau Intl to Benito Juarez flights
Pearson Intl to LaGuardia flights
Vancouver Intl to Cancún flights
Vancouver Intl to Toronto Island flights
Pearson Intl to Fort Lauderdale flights
Hamilton to Calgary flights
Calgary to Cozumel flights
Pearson Intl to Calgary flights
Vancouver Intl to Calgary flights
Calgary to Vancouver Intl flights
Pearson Intl to Cozumel flights
Hamilton to Cancún flights
Pierre Elliott Trudeau Intl to Toronto Island flights
Pearson Intl to Miami flights
Pearson Intl to Pierre Elliott Trudeau Intl flights
Vancouver Intl to Las Vegas flights
Pearson Intl to Edmonton flights
Calgary to Pearson Intl flights
Halifax to Hamilton flights
Pierre Elliott Trudeau Intl to Miami flights
Pearson Intl to Abbotsford flights
Abbotsford to Pearson Intl flights
Pierre Elliott Trudeau Intl to John F Kennedy Intl flights
Pearson Intl to Orlando flights
Vancouver Intl to Los Angeles flights
Hamilton to Halifax flights
Toronto Island to Calgary flights
Québec City to Cancún flights
Toronto Island to John F Kennedy Intl flights
Edmonton to Pearson Intl flights

Top 10 airlines flying from Ontario to USA

AirlineCheapestAverageFlexibilityOn-time
Air CanadaCheapestC$ 121AverageC$ 639FlexibilityNo cancel feeOn-time67%
Search Air Canada flights
Flair AirlinesCheapestC$ 180AverageC$ 358FlexibilityNo cancel feeOn-timeN/A
Search Flair Airlines flights
DeltaCheapestC$ 201AverageC$ 550FlexibilityNo cancel feeOn-timeN/A
Search Delta flights
WestJetCheapestC$ 223AverageC$ 564FlexibilityNo cancel feeOn-time60%
Search WestJet flights
Porter AirlinesCheapestC$ 227AverageC$ 522FlexibilityNo cancel feeOn-time52%
Search Porter Airlines flights
American AirlinesCheapestC$ 234AverageC$ 587FlexibilityNo cancel feeOn-time71%
Search American Airlines flights
United AirlinesCheapestC$ 249AverageC$ 669FlexibilityNo cancel feeOn-time69%
Search United Airlines flights
Air TransatCheapestC$ 285AverageC$ 527FlexibilityNo cancel feeOn-time50%
Search Air Transat flights
Qatar AirwaysCheapestC$ 750AverageC$ 801FlexibilityNo cancel feeOn-time68%
Search Qatar Airways flights
Qantas AirwaysCheapestC$ 752AverageC$ 818FlexibilityNo cancel feeOn-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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