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Cheap flights from Ontario to the United States from C$ 161

YYZ — LAX
4 Nov — 11 Nov1
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 1/117:35 a.m. -
Nonstop3h 20m
Thu 5/1112:00 p.m. -
Nonstop3h 20m
Deal found 1/10C$ 237
Mon 2/117:35 a.m. -
Nonstop3h 20m
Thu 5/1112:00 p.m. -
Nonstop3h 20m
Deal found 1/10C$ 241
Mon 9/119:35 a.m. -
Nonstop3h 20m
Fri 13/118:40 p.m. -
Nonstop3h 15m
Deal found 1/10C$ 242
Mon 26/107:35 a.m. -
Nonstop3h 20m
Thu 5/1112:00 p.m. -
Nonstop3h 20m
Deal found 1/10C$ 246
Fri 20/117:35 a.m. -
Nonstop3h 20m
Thu 26/1112:00 p.m. -
Nonstop3h 20m
Deal found 30/9C$ 252
Sun 6/127:35 a.m. -
Nonstop3h 20m
Tue 15/1212:00 p.m. -
Nonstop3h 20m
Deal found 30/9C$ 254
Mon 7/127:35 a.m. -
Nonstop3h 20m
Thu 10/1212:00 p.m. -
Nonstop3h 20m
Deal found 4/10C$ 255
Sat 21/117:35 a.m. -
Nonstop3h 20m
Thu 26/1112:00 p.m. -
Nonstop3h 20m
Deal found 2/10C$ 256
Tue 10/1112:20 p.m. -
Nonstop2h 59m
Wed 18/114:20 p.m. -
Nonstop3h 00m
Deal found 2/10C$ 288
Wed 2/129:30 a.m. -
Nonstop3h 04m
Wed 9/1210:05 p.m. -
Nonstop2h 47m
Deal found 5/10C$ 295
Sat 21/116:30 a.m. -
Nonstop3h 10m
Fri 4/1210:40 a.m. -
Nonstop3h 00m
Deal found 30/9C$ 295
Tue 3/1112:20 p.m. -
Nonstop2h 59m
Fri 6/118:50 p.m. -
Nonstop3h 00m
Deal found 30/9C$ 298

Find flight deals from Ontario to USA

Round-trip from

C$ 237

One-way from

C$ 161

Popular in

July

Cheapest in

January

Average price

C$ 389

Good round-trip deal

C$ 237 or less

Good one-way deal

C$ 156 or less
Flair Airlines
  • Flair Airlines
  • 1/11-5/11
  • Nonstop
  • 6h 40m 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. 11% potential increase in price (C$ 78 potential increase over avg. RT price).
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Cheapest flight prices on average. 1% potential price decrease (C$ 12 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

TorontoTampa

YYZ Toronto Pearson Intl - TPA Tampa

YYZTPA

Toronto Pearson Intl

Sun 25/10

6:00 a.m.-11:32 a.m.

1 stop5h 32m

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 2/11

1:34 p.m.-9:24 p.m.

1 stop7h 50m

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

Tue 24/11

7:35 a.m.-3:15 p.m.

1 stop7h 40m

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 23/11

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$ 209

TorontoTampa

YYZ Toronto Pearson Intl - TPA Tampa

YYZTPA

Toronto Pearson Intl

Tue 27/10

2:30 p.m.-10:23 p.m.

1 stop7h 53m

Tampa

Wed 31/12

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

Nonstop0h 00m

C$ 209

TorontoNew York

YYZ Toronto Pearson Intl - LGA New York LaGuardia

YYZLGA

Toronto Pearson Intl

Mon 26/10

3:25 p.m.-4:59 p.m.

Nonstop1h 34m

New York LaGuardia

Wed 31/12

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

Nonstop0h 00m

C$ 227

TorontoTampa

YYZ Toronto Pearson Intl - TPA Tampa

YYZTPA

Toronto Pearson Intl

Mon 9/11

6:10 a.m.-5:33 p.m.

1 stop11h 23m

Tampa

Wed 31/12

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

Nonstop0h 00m

C$ 229

TorontoTampa

YYZ Toronto Pearson Intl - TPA Tampa

YYZTPA

Toronto Pearson Intl

Fri 13/11

5:55 p.m.-11:59 p.m.

1 stop6h 04m

Tampa

Wed 31/12

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

Nonstop0h 00m

C$ 234
Quickest round-trip

TorontoNewark

YTZ Toronto Island - EWR Newark

YTZEWR

Toronto Island

Sat 24/10

12:25 p.m.-1:55 p.m.

Nonstop1h 30m

Newark

Wed 31/12

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

Nonstop0h 00m

C$ 249

TorontoTampa

YYZ Toronto Pearson Intl - TPA Tampa

YYZTPA

Toronto Pearson Intl

Fri 1/1

6:15 a.m.-3:15 p.m.

1 stop9h 00m

Tampa

Wed 31/12

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

Nonstop0h 00m

C$ 249

Flights are sorted by cheapest round-trip flights first.

Deals found on 30/9

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$ 422). Flying from Region of Ontario to USA in August is currently the most expensive (average of C$ 549). 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 Monday (23 on average). You will have fewer flight options on Thursday, 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 84 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 25m. 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$ 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$ 549). 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

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

Top 10 airlines flying from Ontario to USA

AirlineCheapestAverageFlexibilityOn-time
Air CanadaCheapestC$ 122AverageC$ 653FlexibilityNo cancel feeOn-time67%
Search Air Canada flights
Flair AirlinesCheapestC$ 176AverageC$ 356FlexibilityNo cancel feeOn-timeN/A
Search Flair Airlines flights
WestJetCheapestC$ 205AverageC$ 532FlexibilityNo cancel feeOn-time60%
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DeltaCheapestC$ 209AverageC$ 574FlexibilityNo cancel feeOn-timeN/A
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JetBlueCheapestC$ 211AverageC$ 234FlexibilityNo cancel feeOn-time62%
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Porter AirlinesCheapestC$ 221AverageC$ 531FlexibilityNo cancel feeOn-time52%
Search Porter Airlines flights
American AirlinesCheapestC$ 238AverageC$ 607FlexibilityNo cancel feeOn-time71%
Search American Airlines flights
United AirlinesCheapestC$ 253AverageC$ 653FlexibilityNo cancel feeOn-time69%
Search United Airlines flights
Air TransatCheapestC$ 289AverageC$ 537FlexibilityNo cancel feeOn-time50%
Search Air Transat flights
Qatar AirwaysCheapestC$ 762AverageC$ 813FlexibilityNo cancel feeOn-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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