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Cheap flights from Ontario to the United States from C$ 137

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 17/1. Fares are subject to change and may not be available on all flights or dates of travel.
YYZ — LAX
18 Dec — 25 Dec1
1 adult
1 adult, Economy, 0 bags

Find flight deals from Ontario to USA

Enter your travel dates to find the best prices.

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 18 November 2025.

Fri 12/1212:50 p.m.YYZ - MCO
Nonstop3h 10mFlair Airlines
Wed 17/1211:20 a.m.MCO - YYZ
Nonstop3h 00mFlair Airlines
Deal found 17/11C$ 203
Sun 7/127:10 a.m.YYZ - MCO
Nonstop3h 10mFlair Airlines
Sun 14/1211:20 a.m.MCO - YYZ
Nonstop3h 00mFlair Airlines
Deal found 15/11C$ 205
Sun 23/117:10 a.m.YYZ - MCO
Nonstop3h 10mFlair Airlines
Fri 28/115:00 p.m.MCO - YYZ
Nonstop3h 00mFlair Airlines
Deal found 17/11C$ 206
Mon 15/127:10 a.m.YYZ - MCO
Nonstop3h 10mFlair Airlines
Wed 17/1211:20 a.m.MCO - YYZ
Nonstop3h 00mFlair Airlines
Deal found 16/11C$ 209
Fri 12/1212:50 p.m.YYZ - MCO
Nonstop3h 10mFlair Airlines
Sat 20/1211:20 a.m.MCO - YYZ
Nonstop3h 00mFlair Airlines
Deal found 17/11C$ 210
Sat 22/117:10 a.m.YYZ - MCO
Nonstop3h 10mFlair Airlines
Sat 29/1111:20 a.m.MCO - YYZ
Nonstop3h 00mFlair Airlines
Deal found 17/11C$ 212
Sun 14/127:10 a.m.YYZ - MCO
Nonstop3h 10mFlair Airlines
Thu 8/111:20 a.m.MCO - YYZ
Nonstop3h 00mFlair Airlines
Deal found 18/11C$ 213
Tue 30/127:15 a.m.YYZ - MCO
Nonstop3h 05mMultiple Airlines
Sat 10/111:20 a.m.MCO - YYZ
Nonstop3h 00mMultiple Airlines
Deal found 17/11C$ 215
Tue 16/127:15 a.m.YYZ - MCO
Nonstop3h 05mMultiple Airlines
Thu 8/111:20 a.m.MCO - YYZ
Nonstop3h 00mMultiple Airlines
Deal found 17/11C$ 217
Mon 8/128:00 a.m.YUL - FLL
Nonstop3h 51mPorter Airlines
Wed 24/1212:50 p.m.FLL - YUL
Nonstop3h 33mPorter Airlines
Deal found 16/11C$ 220
Mon 15/127:10 a.m.YYZ - MCO
Nonstop3h 10mMultiple Airlines
Tue 16/122:00 p.m.MCO - YYZ
1 stop6h 13mMultiple Airlines
Deal found 16/11C$ 222
Sun 7/127:10 a.m.YYZ - MCO
Nonstop3h 10mFlair Airlines
Mon 15/1211:20 a.m.MCO - YYZ
Nonstop3h 00mFlair Airlines
Deal found 17/11C$ 223

Cheap flight deals from Ontario to USA

Keep the following information in mind while searching for Ontario to USA flight deals. Data was last updated 18 November 2025.

Round-trip from

C$ 202

One-way from

C$ 137

Popular in

December

Cheapest in

January

Average price

C$ 327

Good round-trip deal

C$ 237 or less

Good one-way deal

C$ 138 or less
Flair Airlines
  • Flair Airlines
  • 20/2-24/2
  • Nonstop
  • 6h 10m total
  • Ontario to USA
Search Deals
Flair Airlines
  • Flair Airlines
  • 22/1
  • Nonstop
  • 3h 10m total
  • Ontario to USA
Search Deals
Highest demand for flights based on searches. 1% potential increase in price (C$ 6 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease (C$ 12 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in November 2025
Search Deals
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

 
Customize your flight search to find flights from Ontario to USA that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 629,999 searches. Data last updated 18 November 2025.
Use the filters below to find and compare flights from Ontario to the United States that are best for you.

Fly from

Ontario

Fly to

USA

Route

Depart

Return

Price

TorontoLas Vegas

YYZ - LAS

YYZLAS

Toronto Pearson Intl

Sat 7/2

9:35 a.m.-11:42 a.m.

Nonstop5h 07m

Las Vegas Harry Reid Intl

Wed 11/2

12:40 p.m.-7:55 p.m.

Nonstop4h 15m

C$ 258

TorontoLas Vegas

YYZ - LAS

YYZLAS

Toronto Pearson Intl

Sat 13/12

7:55 p.m.-10:02 p.m.

Nonstop5h 07m

Las Vegas Harry Reid Intl

Wed 24/12

12:40 p.m.-7:55 p.m.

Nonstop4h 15m

C$ 268

TorontoFort Lauderdale

YYZ - FLL

YYZFLL

Toronto Pearson Intl

Sat 7/2

10:45 a.m.-7:15 p.m.

1 stop8h 30m

Fort Lauderdale

Sat 14/2

7:00 a.m.-1:43 p.m.

1 stop6h 43m

C$ 273

TorontoFort Lauderdale

YYZ - FLL

YYZFLL

Toronto Pearson Intl

Sun 25/1

8:30 p.m.-11:52 p.m.

Nonstop3h 22m

Fort Lauderdale

Thu 29/1

8:30 a.m.-11:43 a.m.

Nonstop3h 13m

C$ 279

TorontoFort Lauderdale

YYZ - FLL

YYZFLL

Toronto Pearson Intl

Sat 14/2

6:10 a.m.-8:23 p.m.

1 stop14h 13m

Fort Lauderdale

Mon 16/2

6:15 a.m.-10:37 p.m.

1 stop16h 22m

C$ 286

TorontoFort Lauderdale

YYZ - FLL

YYZFLL

Toronto Pearson Intl

Thu 22/1

6:10 a.m.-8:24 p.m.

1 stop14h 14m

Fort Lauderdale

Sun 1/2

6:15 a.m.-2:20 p.m.

1 stop8h 05m

C$ 286

TorontoFort Lauderdale

YYZ - FLL

YYZFLL

Toronto Pearson Intl

Mon 19/1

10:45 a.m.-4:27 p.m.

1 stop5h 42m

Fort Lauderdale

Sat 24/1

8:15 a.m.-1:43 p.m.

1 stop5h 28m

C$ 286

TorontoFort Lauderdale

YYZ - FLL

YYZFLL

Toronto Pearson Intl

Tue 27/1

2:57 p.m.-9:42 p.m.

1 stop6h 45m

Fort Lauderdale

Tue 3/2

7:00 a.m.-1:43 p.m.

1 stop6h 43m

C$ 286

TorontoFort Lauderdale

YYZ - FLL

YYZFLL

Toronto Pearson Intl

Tue 27/1

9:00 a.m.-3:12 p.m.

1 stop6h 12m

Fort Lauderdale

Thu 29/1

9:00 a.m.-4:02 p.m.

1 stop7h 02m

C$ 286

TorontoFort Lauderdale

YYZ - FLL

YYZFLL

Toronto Pearson Intl

Sun 18/1

2:57 p.m.-8:45 p.m.

1 stop5h 48m

Fort Lauderdale

Sat 24/1

7:00 a.m.-1:43 p.m.

1 stop6h 43m

C$ 286

Flights are sorted by cheapest round-trip flights first.

Deals found on 16/11

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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
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

What is the cheapest month to book a flight from Region of Ontario to USA?

Currently, April is the cheapest month in which you can book a flight from Region of Ontario to USA (average of C$ 91). Flying from Region of Ontario to USA in February is currently the most expensive (average of C$ 171). 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?

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 18 November 2025.

Unlike in the afternoon, when flights are generally more expensive, you can save up to 19% on flights from Region of Ontario to USA by exploring options for tickets in the evening.

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 16 December 2024.

Travelers seeking maximum savings on their Region of Ontario to USA flight should consider departing on Thursday evenings when fares are most often at their lowest. Saturday at noon flights should be avoided if possible as fares are typically the most expensive at this time.

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 18 November 2025.

The most flights from CAON to US0 are scheduled on a Tuesday (19 on average). You will have fewer flight options on Wednesday, which is when the least amount of flights are scheduled (15 on average).

Related info for your journey

Find useful and relevant information for your journey from Ontario to USA. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

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

    Departing from Region of Ontario to USA will take you 5h 07m. There are 3119 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 Flair Airlines, with whom users have recently found tickets for as low as C$ 137. However, be on the lookout for offers from WestJet and Porter 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, April is the cheapest month in which you can book a flight from Region of Ontario to USA (average of C$ 91). Flying from Region of Ontario to USA in February is currently the most expensive (average of C$ 171). 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

See prices for flight routes from nearby airports that may be better suited for you.
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Top 10 airlines flying from Ontario to USA

Discover the top 10 airlines that operate flights from Ontario to USA. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 629,999 searches. Data last updated 18 November 2025.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapestC$ 79AverageC$ 223FlexibilityNo cancel feeOn-time62%
Search Frontier flights
Flair AirlinesCheapestC$ 132AverageC$ 249FlexibilityNo cancel feeOn-timeN/A
Search Flair Airlines flights
American AirlinesCheapestC$ 143AverageC$ 413FlexibilityNo cancel feeOn-time71%
Search American Airlines flights
WestJetCheapestC$ 160AverageC$ 429FlexibilityNo cancel feeOn-time60%
Search WestJet flights
United AirlinesCheapestC$ 181AverageC$ 546FlexibilityNo cancel feeOn-time69%
Search United Airlines flights
DeltaCheapestC$ 183AverageC$ 456FlexibilityNo cancel feeOn-timeN/A
Search Delta flights
Porter AirlinesCheapestC$ 185AverageC$ 414FlexibilityNo cancel feeOn-time52%
Search Porter Airlines flights
Air CanadaCheapestC$ 189AverageC$ 565FlexibilityNo cancel feeOn-time67%
Search Air Canada flights
Air TransatCheapestC$ 242AverageC$ 443FlexibilityNo cancel feeOn-time50%
Search Air Transat flights
WestJet EncoreCheapestC$ 288AverageC$ 751FlexibilityNo cancel feeOn-timeN/A
Search WestJet Encore flights

Fly with Cheapflights

Find the best flight deals on Cheapflights, where travelers can enjoy low prices and a wide availability of flights to their desired destinations.

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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