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Cheap flights from Ontario to the United States from C$ 156

YYZ — LAX
9 Oct — 16 Oct1
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

Sat 5/127:00 a.m. -
Nonstop3h 30m
Fri 11/127:35 p.m. -
Nonstop3h 20m
Deal found 4/9C$ 207
Sun 25/109:35 a.m. -
Nonstop3h 20m
Wed 28/1011:45 a.m. -
Nonstop3h 15m
Deal found 6/9C$ 210
Mon 14/91:30 p.m. -
Nonstop3h 15m
Thu 17/95:35 p.m. -
Nonstop3h 20m
Deal found 4/9C$ 211
Sun 25/109:35 a.m. -
Nonstop3h 20m
Fri 30/108:40 p.m. -
Nonstop3h 15m
Deal found 8/9C$ 216
Sun 22/114:20 p.m. -
Nonstop3h 20m
Sat 28/118:05 p.m. -
Nonstop3h 15m
Deal found 9/9C$ 218
Sun 25/107:00 a.m. -
Nonstop3h 30m
Wed 28/108:35 p.m. -
Nonstop3h 20m
Deal found 9/9C$ 219
Sat 21/113:50 p.m. -
Nonstop3h 20m
Sat 5/128:05 p.m. -
Nonstop3h 15m
Deal found 5/9C$ 221
Mon 26/109:35 a.m. -
Nonstop3h 20m
Fri 30/108:40 p.m. -
Nonstop3h 15m
Deal found 6/9C$ 223
Mon 7/127:25 a.m. -
Nonstop3h 27m
Mon 14/129:30 p.m. -
Nonstop3h 05m
Deal found 8/9C$ 225
Sun 25/109:35 a.m. -
Nonstop3h 20m
Wed 28/1011:45 a.m. -
Nonstop3h 15m
Deal found 6/9C$ 226
Tue 27/109:20 a.m. -
Nonstop3h 30m
Mon 9/117:35 p.m. -
Nonstop3h 20m
Deal found 8/9C$ 227
Sat 10/106:10 p.m. -
Nonstop1h 26m
Sat 17/106:30 a.m. -
Nonstop1h 30m
Deal found 9/9C$ 303

Find flight deals from Ontario to USA

Round-trip from

C$ 207

One-way from

C$ 156

Popular in

August

Cheapest in

January

Average price

C$ 367

Good round-trip deal

C$ 227 or less

Good one-way deal

C$ 139 or less
WestJet
  • WestJet
  • 5/12-11/12
  • Nonstop
  • 6h 50m total
  • Ontario to USA
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WestJet
  • WestJet
  • 9/12-31/12
  • Nonstop
  • 3h 30m total
  • Ontario to USA
Search Deals
Highest demand for flights based on searches. 11% potential increase in price (C$ 68 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease (C$ 12 potential savings vs. average RT price).
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Average for round-trip flights in September 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

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$ 189

TorontoFort Lauderdale

YYZ Toronto Pearson Intl - FLL Fort Lauderdale

YYZFLL

Toronto Pearson Intl

Wed 23/9

1:00 p.m.-8:49 p.m.

1 stop7h 49m

Fort Lauderdale

Wed 31/12

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

Nonstop0h 00m

C$ 189

TorontoFort Lauderdale

YYZ Toronto Pearson Intl - FLL Fort Lauderdale

YYZFLL

Toronto Pearson Intl

Tue 10/11

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$ 192

TorontoFort Lauderdale

YYZ Toronto Pearson Intl - FLL Fort Lauderdale

YYZFLL

Toronto Pearson Intl

Thu 19/11

12:15 p.m.-8:36 p.m.

1 stop8h 21m

Fort Lauderdale

Wed 31/12

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

Nonstop0h 00m

C$ 210

TorontoNewark

YTZ Toronto Island - EWR Newark

YTZEWR

Toronto Island

Tue 15/12

9:00 a.m.-4:45 p.m.

2 stops7h 45m

Newark

Wed 31/12

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

Nonstop0h 00m

C$ 210

TorontoNewark

YTZ Toronto Island - EWR Newark

YTZEWR

Toronto Island

Mon 2/11

9:00 a.m.-4:45 p.m.

2 stops7h 45m

Newark

Wed 31/12

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

Nonstop0h 00m

C$ 210

TorontoNewark

YTZ Toronto Island - EWR Newark

YTZEWR

Toronto Island

Sat 7/11

9:00 a.m.-4:45 p.m.

2 stops7h 45m

Newark

Wed 31/12

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

Nonstop0h 00m

C$ 210

TorontoFort Lauderdale

YYZ Toronto Pearson Intl - FLL Fort Lauderdale

YYZFLL

Toronto Pearson Intl

Sat 10/10

9:40 a.m.-6:53 p.m.

1 stop9h 13m

Fort Lauderdale

Wed 31/12

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

Nonstop0h 00m

C$ 211

TorontoNewark

YTZ Toronto Island - EWR Newark

YTZEWR

Toronto Island

Mon 23/11

9:00 a.m.-4:45 p.m.

2 stops7h 45m

Newark

Wed 31/12

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

Nonstop0h 00m

C$ 211

TorontoNewark

YTZ Toronto Island - EWR Newark

YTZEWR

Toronto Island

Mon 19/10

10:30 a.m.-3:45 p.m.

1 stop5h 15m

Newark

Wed 31/12

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

Nonstop0h 00m

C$ 211

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/9

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$ 401). Flying from Region of Ontario to USA in August is currently the most expensive (average of C$ 531). 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 Tuesday (25 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (8 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 3h 50m. 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$ 42. 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$ 401). Flying from Region of Ontario to USA in August is currently the most expensive (average of C$ 531). 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
Pearson Intl to Cancún flights
Toronto Island to Cancún flights
Hamilton to Cancún flights
Pearson Intl to Cozumel flights
Calgary to Cozumel flights
Pearson Intl to Vancouver Intl flights
Vancouver Intl to Pearson Intl flights
Hamilton to Vancouver Intl flights
Vancouver Intl to Hamilton flights
Edmonton to Vancouver Intl flights
Pearson Intl to Calgary flights
Calgary to Vancouver Intl flights
Pierre Elliott Trudeau Intl to Cancún flights
Region of Waterloo Intl to Cancún flights
Toronto Island to Newark flights
Toronto Island to Vancouver Intl flights
Pearson Intl to Abbotsford flights
Hamilton to Calgary flights
Vancouver Intl to Edmonton flights
Pearson Intl to Newark flights
Vancouver Intl to Calgary flights
Pearson Intl to John F Kennedy Intl flights
Pearson Intl to Mexico City flights
Pierre Elliott Trudeau Intl to Fort Lauderdale flights
Vancouver Intl to Toronto Island flights
Vancouver Intl to Cancún flights
Pierre Elliott Trudeau Intl to Vancouver Intl flights
Pearson Intl to LaGuardia flights
Pierre Elliott Trudeau Intl to Mexico City flights
Vancouver Intl to Los Angeles flights
Abbotsford to Pearson Intl flights
Calgary to Pearson Intl flights
Pearson Intl to Halifax flights
Hamilton to Halifax flights
Vancouver Intl to Mexico City flights
Pearson Intl to Las Vegas flights
Pearson Intl to Pierre Elliott Trudeau Intl flights
Toronto Island to Pierre Elliott Trudeau Intl flights
Calgary to Hamilton flights
Pearson Intl to Edmonton flights
Pierre Elliott Trudeau Intl to LaGuardia flights
Pearson Intl to Fort Lauderdale flights
Edmonton to Pearson Intl flights
Toronto Island to LaGuardia flights
Calgary to Abbotsford flights
Pierre Elliott Trudeau Intl to Newark flights
Ottawa to Vancouver Intl flights
Pierre Elliott Trudeau Intl to Miami flights
Pierre Elliott Trudeau Intl to Pearson Intl flights

Top 10 airlines flying from Ontario to USA

AirlineCheapestAverageFlexibilityOn-time
Air CanadaCheapestC$ 118AverageC$ 624FlexibilityNo cancel feeOn-time67%
Search Air Canada flights
WestJetCheapestC$ 158AverageC$ 489FlexibilityNo cancel feeOn-time60%
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Flair AirlinesCheapestC$ 169AverageC$ 339FlexibilityNo cancel feeOn-timeN/A
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DeltaCheapestC$ 191AverageC$ 547FlexibilityNo cancel feeOn-timeN/A
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JetBlueCheapestC$ 204AverageC$ 236FlexibilityNo cancel feeOn-time62%
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Porter AirlinesCheapestC$ 208AverageC$ 505FlexibilityNo cancel feeOn-time52%
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American AirlinesCheapestC$ 230AverageC$ 588FlexibilityNo cancel feeOn-time71%
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United AirlinesCheapestC$ 271AverageC$ 619FlexibilityNo cancel feeOn-time69%
Search United Airlines flights
Air TransatCheapestC$ 293AverageC$ 535FlexibilityNo cancel feeOn-time50%
Search Air Transat flights
Qatar AirwaysCheapestC$ 737AverageC$ 787FlexibilityNo 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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