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Cheap flights from Ontario to the United States from C$ 138

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 20/1. Fares are subject to change and may not be available on all flights or dates of travel.
YYZ — LAX
6 Feb — 13 Feb1
1 adult
1 adult, Economy, 0 bags

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 7 January 2026.

Round-trip from

C$ 200

One-way from

C$ 138

Popular in

December

Cheapest in

January

Average price

C$ 270

Good round-trip deal

C$ 219 or less

Good one-way deal

C$ 145 or less
WestJet
  • WestJet
  • 20/1-22/1
  • Nonstop
  • 6h 05m total
  • Ontario to USA
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WestJet
  • WestJet
  • 20/1
  • Nonstop
  • 3h 09m total
  • Ontario to USA
Search Deals
Highest demand for flights based on searches. 2% potential increase in price (C$ 10 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 January 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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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 7 January 2026.

Tue 20/17:15 a.m.YYZ - MCO
Nonstop3h 09mWestJet
Thu 22/19:15 p.m.MCO - YYZ
Nonstop2h 56mWestJet
Deal found 6/1C$ 200
Sat 18/411:15 a.m.YYZ - FLL
Nonstop3h 28mMultiple Airlines
Wed 22/410:50 a.m.FLL - YYZ
Nonstop3h 15mMultiple Airlines
Deal found 7/1C$ 202
Mon 12/17:10 a.m.YYZ - MCO
Nonstop3h 10mFlair Airlines
Thu 22/111:20 a.m.MCO - YYZ
Nonstop3h 00mFlair Airlines
Deal found 5/1C$ 202
Mon 2/211:15 a.m.YYZ - FLL
Nonstop3h 28mMultiple Airlines
Wed 4/28:05 p.m.FLL - YYZ
Nonstop3h 15mMultiple Airlines
Deal found 6/1C$ 203
Tue 20/17:15 a.m.YYZ - MCO
1 stop5h 43mMultiple Airlines
Thu 22/111:20 a.m.MCO - YYZ
Nonstop3h 00mMultiple Airlines
Deal found 6/1C$ 203
Tue 10/23:40 p.m.YYZ - FLL
Nonstop3h 25mFlair Airlines
Thu 12/28:05 p.m.FLL - YYZ
Nonstop3h 15mFlair Airlines
Deal found 7/1C$ 205
Mon 12/17:10 a.m.YYZ - MCO
Nonstop3h 10mFlair Airlines
Fri 16/111:20 a.m.MCO - YYZ
Nonstop3h 00mFlair Airlines
Deal found 6/1C$ 205
Sun 1/28:30 p.m.YYZ - FLL
Nonstop3h 22mMultiple Airlines
Thu 5/28:05 p.m.FLL - YYZ
Nonstop3h 15mMultiple Airlines
Deal found 6/1C$ 206
Tue 20/17:15 a.m.YYZ - MCO
Nonstop3h 09mWestJet
Sun 25/111:10 a.m.MCO - YYZ
Nonstop2h 55mWestJet
Deal found 6/1C$ 206
Sat 7/311:15 a.m.YYZ - FLL
Nonstop3h 28mMultiple Airlines
Thu 12/34:40 p.m.FLL - YYZ
Nonstop3h 15mMultiple Airlines
Deal found 6/1C$ 207
Sat 24/15:15 p.m.YYZ - MCO
Nonstop3h 07mWestJet
Sat 31/19:15 p.m.MCO - YYZ
Nonstop2h 56mWestJet
Deal found 6/1C$ 207
Wed 14/13:40 p.m.YYZ - FLL
Nonstop3h 25mFlair Airlines
Wed 28/18:05 p.m.FLL - YYZ
Nonstop3h 15mFlair Airlines
Deal found 5/1C$ 209

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 7 January 2026.
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

TorontoNewark

YTZ - EWR

YTZEWR

Toronto Island

Thu 22/1

8:30 a.m.-2:50 p.m.

1 stop6h 20m

Newark

Mon 26/1

10:30 a.m.-2:55 p.m.

1 stop4h 25m

C$ 264

TorontoNewark

YTZ - EWR

YTZEWR

Toronto Island

Thu 2/4

7:40 p.m.-9:10 p.m.

Nonstop1h 30m

Newark

Sun 5/4

8:55 a.m.-10:35 a.m.

Nonstop1h 40m

C$ 265

TorontoNewark

YTZ - EWR

YTZEWR

Toronto Island

Tue 3/2

10:30 a.m.-5:25 p.m.

1 stop6h 55m

Newark

Tue 10/2

3:45 p.m.-7:54 p.m.

1 stop4h 09m

C$ 267

TorontoLas Vegas

YYZ - LAS

YYZLAS

Toronto Pearson Intl

Mon 16/2

6:10 a.m.-3:33 p.m.

1 stop12h 23m

Las Vegas Harry Reid Intl

Mon 16/2

6:59 p.m.-2:20 p.m.

1 stop16h 21m

C$ 272

TorontoLas Vegas

YYZ - LAS

YYZLAS

Toronto Pearson Intl

Tue 17/2

6:10 a.m.-9:58 p.m.

1 stop18h 48m

Las Vegas Harry Reid Intl

Tue 17/2

12:59 a.m.-2:20 p.m.

1 stop10h 21m

C$ 272

TorontoNewark

YTZ - EWR

YTZEWR

Toronto Island

Thu 2/4

1:30 p.m.-3:00 p.m.

Nonstop1h 30m

Newark

Sat 4/4

10:55 a.m.-4:43 p.m.

1 stop5h 48m

C$ 274

TorontoNewark

YTZ - EWR

YTZEWR

Toronto Island

Tue 17/2

12:50 p.m.-5:25 p.m.

1 stop4h 35m

Newark

Fri 20/2

10:55 a.m.-8:48 p.m.

2 stops9h 53m

C$ 274

TorontoNewark

YTZ - EWR

YTZEWR

Toronto Island

Sun 8/2

6:15 p.m.-7:45 p.m.

Nonstop1h 30m

Newark

Tue 24/2

10:00 a.m.-11:40 a.m.

Nonstop1h 40m

C$ 275

TorontoLas Vegas

YYZ - LAS

YYZLAS

Toronto Pearson Intl

Tue 17/2

1:30 p.m.-9:33 p.m.

1 stop11h 03m

Las Vegas Harry Reid Intl

Wed 25/2

7:05 p.m.-6:13 a.m.

1 stop8h 08m

C$ 276

TorontoOrlando

YYZ - MCO

YYZMCO

Toronto Pearson Intl

Thu 19/2

12:45 p.m.-7:28 p.m.

1 stop6h 43m

Orlando

Mon 23/2

8:55 p.m.-2:20 p.m.

1 stop17h 25m

C$ 276

Flights are sorted by cheapest round-trip flights first.

Deals found on 5/1

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, April is the cheapest month in which you can book a flight from Region of Ontario to USA (average of C$ 90). Flying from Region of Ontario to USA in December is currently the most expensive (average of C$ 200). 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 7 January 2026.

Unlike in the afternoon, when flights are generally more expensive, you can save up to 26% on flights from Region of Ontario to USA by exploring options for tickets in the morning.

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 3 January 2026.

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.

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 7 January 2026.

The most flights from CAON to US0 are scheduled on a Monday (18 on average). You will have fewer flight options on Thursday, 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 1h 30m. 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 Flair 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$ 90). Flying from Region of Ontario to USA in December is currently the most expensive (average of C$ 200). 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 7 January 2026.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapestC$ 79AverageC$ 266FlexibilityNo cancel feeOn-time62%
Search Frontier flights
Flair AirlinesCheapestC$ 129AverageC$ 238FlexibilityNo cancel feeOn-timeN/A
Search Flair Airlines flights
WestJetCheapestC$ 158AverageC$ 418FlexibilityNo cancel feeOn-time60%
Search WestJet flights
American AirlinesCheapestC$ 178AverageC$ 455FlexibilityNo cancel feeOn-time71%
Search American Airlines flights
United AirlinesCheapestC$ 179AverageC$ 526FlexibilityNo cancel feeOn-time69%
Search United Airlines flights
DeltaCheapestC$ 179AverageC$ 458FlexibilityNo cancel feeOn-timeN/A
Search Delta flights
Porter AirlinesCheapestC$ 182AverageC$ 381FlexibilityNo cancel feeOn-time52%
Search Porter Airlines flights
Air CanadaCheapestC$ 186AverageC$ 545FlexibilityNo cancel feeOn-time67%
Search Air Canada flights
Air TransatCheapestC$ 235AverageC$ 434FlexibilityNo cancel feeOn-time50%
Search Air Transat flights
WestJet EncoreCheapestC$ 284AverageC$ 708FlexibilityNo 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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