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Cheap flights from Ontario to the United States from C$ 141

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 6/10. Fares are subject to change and may not be available on all flights or dates of travel.
YYZ — LAX
16 Oct — 23 Oct1
1 adult
1 adult, Economy

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 16 September 2025.

Round-trip from

C$ 191

One-way from

C$ 141

Popular in

December

Cheapest in

January

Average price

C$ 303

Good round-trip deal

C$ 206 or less

Good one-way deal

C$ 140 or less
Flair Airlines
  • Flair Airlines
  • 4/10-7/10
  • Nonstop
  • 6h 35m total
  • Ontario to USA
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Porter Airlines
  • Porter Airlines
  • 6/10
  • Nonstop
  • 3h 13m total
  • Ontario to USA
Search Deals
Highest demand for flights based on searches. 2% potential increase in price (C$ 12 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease (C$ 13 potential savings vs. average RT price).
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Average for round-trip flights in September 2025
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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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Find flight deals from Ontario to USA

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 16 September 2025.

Sat 4/106:30 a.m.YYZ - FLL
Nonstop3h 20mFlair Airlines
Tue 7/1010:50 a.m.FLL - YYZ
Nonstop3h 15mFlair Airlines
Deal found 15/9C$ 191
Thu 2/106:30 a.m.YYZ - FLL
Nonstop3h 20mFlair Airlines
Tue 7/1010:50 a.m.FLL - YYZ
Nonstop3h 15mFlair Airlines
Deal found 15/9C$ 192
Thu 30/107:00 a.m.YYZ - FLL
Nonstop3h 25mFlair Airlines
Thu 6/1111:25 a.m.FLL - YYZ
Nonstop3h 15mFlair Airlines
Deal found 15/9C$ 193
Sun 19/106:30 a.m.YYZ - FLL
Nonstop3h 20mFlair Airlines
Thu 23/1010:50 a.m.FLL - YYZ
Nonstop3h 15mFlair Airlines
Deal found 14/9C$ 195
Tue 21/101:30 p.m.YYZ - FLL
Nonstop3h 19mMultiple Airlines
Wed 22/1010:50 a.m.FLL - YYZ
Nonstop3h 15mMultiple Airlines
Deal found 14/9C$ 196
Wed 3/129:35 a.m.YYZ - FLL
Nonstop3h 22mMultiple Airlines
Thu 11/1211:25 a.m.FLL - YYZ
Nonstop3h 15mMultiple Airlines
Deal found 15/9C$ 198
Sun 19/106:30 a.m.YYZ - FLL
Nonstop3h 20mFlair Airlines
Fri 24/1010:50 a.m.FLL - YYZ
Nonstop3h 15mFlair Airlines
Deal found 13/9C$ 199
Wed 15/106:30 a.m.YYZ - FLL
Nonstop3h 20mFlair Airlines
Sat 25/1010:50 a.m.FLL - YYZ
Nonstop3h 15mFlair Airlines
Deal found 14/9C$ 200
Sat 4/107:40 a.m.YYZ - FLL
2 stops11h 50mMultiple Airlines
Wed 22/1010:50 a.m.FLL - YYZ
Nonstop3h 15mMultiple Airlines
Deal found 14/9C$ 202
Sat 18/101:35 p.m.YYZ - FLL
Nonstop3h 19mMultiple Airlines
Wed 22/1010:50 a.m.FLL - YYZ
Nonstop3h 15mMultiple Airlines
Deal found 14/9C$ 203
Tue 28/1011:15 a.m.YYZ - FLL
Nonstop3h 33mMultiple Airlines
Fri 7/1111:25 a.m.FLL - YYZ
Nonstop3h 15mMultiple Airlines
Deal found 15/9C$ 204
Mon 20/104:00 p.m.YYZ - FLL
1 stop7h 56mMultiple Airlines
Thu 23/1010:50 a.m.FLL - YYZ
Nonstop3h 15mMultiple Airlines
Deal found 14/9C$ 206

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 16 September 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

TorontoFort Lauderdale

YYZ - FLL

YYZFLL

Toronto Pearson Intl

Mon 10/11

9:30 a.m.-4:18 p.m.

1 stop6h 48m

Fort Lauderdale

Mon 17/11

9:10 p.m.-12:19 a.m.

Nonstop3h 09m

C$ 256

TorontoFort Lauderdale

YYZ - FLL

YYZFLL

Toronto Pearson Intl

Wed 26/11

6:10 a.m.-3:37 p.m.

1 stop9h 27m

Fort Lauderdale

Wed 3/12

12:28 p.m.-9:21 p.m.

1 stop8h 53m

C$ 256

TorontoFort Lauderdale

YYZ - FLL

YYZFLL

Toronto Pearson Intl

Tue 18/11

6:10 a.m.-3:37 p.m.

1 stop9h 27m

Fort Lauderdale

Tue 2/12

11:00 a.m.-10:38 p.m.

1 stop11h 38m

C$ 256

TorontoFort Lauderdale

YYZ - FLL

YYZFLL

Toronto Pearson Intl

Thu 27/11

6:10 a.m.-7:52 p.m.

1 stop13h 42m

Fort Lauderdale

Sun 30/11

9:10 p.m.-12:19 a.m.

Nonstop3h 09m

C$ 256

TorontoLas Vegas

YYZ - LAS

YYZLAS

Toronto Pearson Intl

Sun 28/9

6:30 a.m.-10:45 p.m.

1 stop19h 15m

Las Vegas Harry Reid Intl

Mon 29/9

11:45 p.m.-11:44 a.m.

1 stop8h 59m

C$ 260

TorontoLas Vegas

YYZ - LAS

YYZLAS

Toronto Pearson Intl

Tue 30/9

7:00 a.m.-4:41 p.m.

3 stops12h 41m

Las Vegas Harry Reid Intl

Sat 4/10

6:30 a.m.-5:19 p.m.

1 stop7h 49m

C$ 260

TorontoLas Vegas

YYZ - LAS

YYZLAS

Toronto Pearson Intl

Sun 5/10

6:10 a.m.-7:42 p.m.

1 stop16h 32m

Las Vegas Harry Reid Intl

Mon 6/10

12:59 a.m.-2:30 p.m.

1 stop10h 31m

C$ 260

TorontoLas Vegas

YYZ - LAS

YYZLAS

Toronto Pearson Intl

Wed 15/10

10:15 a.m.-5:16 p.m.

1 stop10h 01m

Las Vegas Harry Reid Intl

Fri 17/10

12:59 a.m.-2:30 p.m.

1 stop10h 31m

C$ 260

TorontoLas Vegas

YYZ - LAS

YYZLAS

Toronto Pearson Intl

Sat 11/10

10:15 a.m.-9:47 p.m.

1 stop14h 32m

Las Vegas Harry Reid Intl

Fri 17/10

12:59 a.m.-2:30 p.m.

1 stop10h 31m

C$ 260

TorontoLas Vegas

YYZ - LAS

YYZLAS

Toronto Pearson Intl

Sat 18/10

7:00 a.m.-4:18 p.m.

1 stop12h 18m

Las Vegas Harry Reid Intl

Fri 24/10

12:59 a.m.-2:30 p.m.

1 stop10h 31m

C$ 260

Flights are sorted by cheapest round-trip flights first.

Deals found on 14/9

Showing 1-10 of 60 results
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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, May is the cheapest month in which you can book a flight from Region of Ontario to USA (average of C$ 231). Flying from Region of Ontario to USA in March is currently the most expensive (average of C$ 295). 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 16 September 2025.

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Region of Ontario to USA as you normally would.

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 16 September 2025.

The most flights from CAON to US0 are scheduled on a Tuesday (26 on average). You will have fewer flight options on Friday, which is when the least amount of flights are scheduled (14 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 3h 22m. There are 1957 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 WestJet, with whom users have recently found tickets for as low as C$ 153. However, be on the lookout for offers from United Airlines 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, May is the cheapest month in which you can book a flight from Region of Ontario to USA (average of C$ 231). Flying from Region of Ontario to USA in March is currently the most expensive (average of C$ 295). 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

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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 16 September 2025.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapestC$ 78AverageC$ 239FlexibilityNo cancel feeOn-time62%
Search Frontier flights
Flair AirlinesCheapestC$ 132AverageC$ 274FlexibilityNo cancel feeOn-timeN/A
Search Flair Airlines flights
American AirlinesCheapestC$ 141AverageC$ 455FlexibilityNo cancel feeOn-time71%
Search American Airlines flights
DeltaCheapestC$ 177AverageC$ 475FlexibilityNo cancel feeOn-timeN/A
Search Delta flights
WestJetCheapestC$ 177AverageC$ 415FlexibilityNo cancel feeOn-time60%
Search WestJet flights
Porter AirlinesCheapestC$ 182AverageC$ 412FlexibilityNo cancel feeOn-time52%
Search Porter Airlines flights
United AirlinesCheapestC$ 192AverageC$ 528FlexibilityNo cancel feeOn-time69%
Search United Airlines flights
Air CanadaCheapestC$ 194AverageC$ 557FlexibilityNo cancel feeOn-time67%
Search Air Canada flights
Air TransatCheapestC$ 208AverageC$ 431FlexibilityNo cancel feeOn-time50%
Search Air Transat flights
WestJet EncoreCheapestC$ 284AverageC$ 740FlexibilityNo 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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