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Cheap flights from Ontario to the United States from C$ 119

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 1/4. Fares are subject to change and may not be available on all flights or dates of travel.
YYZ — LAX
31 Mar — 7 Apr1
1 adult

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 26 March 2025.

Round-trip from

C$ 163

One-way from

C$ 119

Popular in

March

Cheapest in

June

Average price

C$ 423

Good round-trip deal

C$ 132 or less

Good one-way deal

C$ 95 or less
Flair Airlines
  • Flair Airlines
  • 6/4-12/4
  • Nonstop
  • 6h 35m total
  • Ontario to USA
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Flair Airlines
  • Flair Airlines
  • 1/4
  • Nonstop
  • 3h 25m total
  • Ontario to USA
Search Deals
Highest demand for flights based on searches. 8% potential increase in price (C$ 47 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 1% potential price decrease (C$ 10 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in March 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.
Search Deals

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 26 March 2025.

Thu 27/32:55 p.m.YYZ - FLL
Nonstop3h 25mFlair Airlines
Thu 3/48:45 p.m.FLL - YYZ
Nonstop3h 10mFlair Airlines
Deal found 25/3C$ 153
Sat 12/43:50 p.m.YYZ - FLL
1 stop6h 35mMultiple Airlines
Fri 18/48:45 p.m.FLL - YYZ
Nonstop3h 10mMultiple Airlines
Deal found 25/3C$ 180
Sat 5/43:30 p.m.YUL - FLL
Nonstop3h 50mPorter Airlines
Sat 12/48:20 p.m.FLL - YUL
Nonstop3h 30mPorter Airlines
Deal found 25/3C$ 185
Tue 8/41:50 p.m.YYZ - LAS
1 stop10h 04mWestJet
Tue 15/48:40 a.m.LAS - YYZ
2 stops11h 50mWestJet
Deal found 25/3C$ 186
Mon 7/47:25 p.m.YYZ - LAS
Nonstop5h 03mMultiple Airlines
Tue 15/41:20 p.m.LAS - YYZ
1 stop8h 06mMultiple Airlines
Deal found 25/3C$ 187
Sun 20/47:25 p.m.YYZ - LAS
Nonstop5h 03mPorter Airlines
Wed 23/410:35 p.m.LAS - YYZ
Nonstop4h 20mPorter Airlines
Deal found 25/3C$ 205
Fri 30/51:30 p.m.YYZ - FLL
Nonstop3h 16mWestJet
Sat 7/67:05 p.m.FLL - YYZ
Nonstop3h 20mWestJet
Deal found 25/3C$ 210
Tue 1/48:10 p.m.YYZ - LAS
Nonstop4h 57mAir Canada
Tue 8/47:00 a.m.LAS - YYZ
1 stop8h 48mAir Canada
Deal found 25/3C$ 212
Mon 31/34:25 p.m.YUL - FLL
Nonstop3h 45mMultiple Airlines
Fri 4/44:45 p.m.FLL - YUL
1 stop7h 50mMultiple Airlines
Deal found 25/3C$ 220
Sun 6/44:25 p.m.YUL - FLL
Nonstop3h 45mAir Transat
Sat 12/49:20 p.m.FLL - YUL
Nonstop3h 25mAir Transat
Deal found 25/3C$ 222
Sat 29/39:00 a.m.YYZ - LAS
1 stop9h 40mUnited Airlines
Fri 4/412:59 a.m.LAS - YYZ
1 stop7h 31mUnited Airlines
Deal found 25/3C$ 226
Thu 24/42:00 p.m.YYZ - FLL
1 stop5h 59mPorter Airlines
Tue 29/42:10 p.m.FLL - YYZ
1 stop7h 16mPorter Airlines
Deal found 25/3C$ 229

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 26 March 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

Sun 6/4

2:55 p.m.-6:20 p.m.

Nonstop3h 25m

Fort Lauderdale

Sat 12/4

8:45 p.m.-11:55 p.m.

Nonstop3h 10m

C$ 163

TorontoFort Lauderdale

YYZ - FLL

YYZFLL

Toronto Pearson Intl

Sat 12/4

3:50 p.m.-10:25 p.m.

1 stop6h 35m

Fort Lauderdale

Fri 18/4

8:45 p.m.-11:55 p.m.

Nonstop3h 10m

C$ 180

MontrealFort Lauderdale

YUL - FLL

YULFLL

Montreal Pierre Elliott Trudeau Intl

Sat 5/4

3:30 p.m.-7:20 p.m.

Nonstop3h 50m

Fort Lauderdale

Sat 12/4

8:20 p.m.-11:50 p.m.

Nonstop3h 30m

C$ 185

TorontoLas Vegas

YYZ - LAS

YYZLAS

Toronto Pearson Intl

Tue 8/4

1:50 p.m.-8:54 p.m.

1 stop10h 04m

Las Vegas Harry Reid Intl

Tue 15/4

8:40 a.m.-11:30 p.m.

2 stops11h 50m

C$ 186

TorontoLas Vegas

YYZ - LAS

YYZLAS

Toronto Pearson Intl

Mon 7/4

7:25 p.m.-9:28 p.m.

Nonstop5h 03m

Las Vegas Harry Reid Intl

Tue 15/4

1:20 p.m.-12:26 a.m.

1 stop8h 06m

C$ 187

TorontoLas Vegas

YYZ - LAS

YYZLAS

Toronto Pearson Intl

Sun 20/4

7:25 p.m.-9:28 p.m.

Nonstop5h 03m

Las Vegas Harry Reid Intl

Thu 24/4

10:35 p.m.-5:55 a.m.

Nonstop4h 20m

C$ 205

TorontoFort Lauderdale

YYZ - FLL

YYZFLL

Toronto Pearson Intl

Sun 21/9

1:30 p.m.-4:49 p.m.

Nonstop3h 19m

Fort Lauderdale

Fri 26/9

5:40 p.m.-8:55 p.m.

Nonstop3h 15m

C$ 209

TorontoLas Vegas

YYZ - LAS

YYZLAS

Toronto Pearson Intl

Fri 4/4

4:00 p.m.-10:02 p.m.

1 stop9h 02m

Las Vegas Harry Reid Intl

Mon 7/4

7:00 a.m.-6:48 p.m.

1 stop8h 48m

C$ 219

TorontoFort Lauderdale

YYZ - FLL

YYZFLL

Toronto Pearson Intl

Mon 7/4

9:50 a.m.-1:11 p.m.

Nonstop3h 21m

Fort Lauderdale

Thu 10/4

2:20 p.m.-9:26 p.m.

1 stop7h 06m

C$ 219

MontrealFort Lauderdale

YUL - FLL

YULFLL

Montreal Pierre Elliott Trudeau Intl

Sun 6/4

4:25 p.m.-8:10 p.m.

Nonstop3h 45m

Fort Lauderdale

Sat 12/4

9:20 p.m.-12:45 a.m.

Nonstop3h 25m

C$ 222

Flights are sorted by cheapest round-trip flights first.

Deals found on 25/3

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, September 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 July is currently the most expensive (average of C$ 314). 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 26 March 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 26 March 2025.

The most flights from CAON to US0 are scheduled on a Tuesday (19 on average). You will have fewer flight options on Sunday, which is when the least amount of flights are scheduled (2 on average).

Rainfall in USA by month

Plan your trip to USA by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in USA ranges from 61.0 - 221.0 mm per month. June is typically the wettest month, when rainfall can reach 221.0 mm. November is typically the driest time to visit USA when rainfall is around 61.0 mm.

Temperature in USA by month

Plan your trip to USA by taking into account the average temperature totals by month.

If weather is an important factor for your trip to USA, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 29.0 C. Travellers hoping to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 16.0 C).

Reviews of airlines servicing USA

Get insights into the airlines that provide service to USA. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to USA. Reviews last updated 26 March 2025.
Read reviews from past customers who have flown Delta, Alaska Airlines and Porter Airlines from Ontario to USA. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very good
7,891 reviews
Check prices

Crew

8.5

Boarding

8.2

Overall

8.0

Food

7.3

Comfort

8.0

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception
Delta
8.0
Very good
7,891 reviews
Delta
8.0
Very good
7,891 reviews
Check prices

Crew

8.5

Boarding

8.2

Overall

8.0

Food

7.3

Comfort

8.0

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception
Alaska Airlines
8.0
Very good
9,789 reviews
Delta
8.0
Very good
7,891 reviews
Check prices

Crew

8.5

Boarding

8.2

Overall

8.0

Food

7.3

Comfort

8.0

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception
Porter Airlines
7.9
Good
276 reviews
Delta
8.0
Very good
7,891 reviews
Check prices

Crew

8.5

Boarding

8.2

Overall

8.0

Food

7.3

Comfort

8.0

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception
KLM
7.8
Good
1,319 reviews
Delta
8.0
Very good
7,891 reviews
Check prices

Crew

8.5

Boarding

8.2

Overall

8.0

Food

7.3

Comfort

8.0

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception
Air Transat
7.8
Good
381 reviews
Delta
8.0
Very good
7,891 reviews
Check prices

Crew

8.5

Boarding

8.2

Overall

8.0

Food

7.3

Comfort

8.0

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

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.

  • 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$ 119. However, be on the lookout for offers from Porter Airlines and Air Canada, 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, September 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 July is currently the most expensive (average of C$ 314). 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 26 March 2025.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapestC$ 118AverageC$ 233FlexibilityNo cancel feeOn-time62%
Search Frontier flights
Flair AirlinesCheapestC$ 140AverageC$ 343FlexibilityNo cancel feeOn-timeN/A
Search Flair Airlines flights
DeltaCheapestC$ 184AverageC$ 520FlexibilityNo cancel feeOn-timeN/A
Search Delta flights
Porter AirlinesCheapestC$ 196AverageC$ 462FlexibilityNo cancel feeOn-time52%
Search Porter Airlines flights
WestJetCheapestC$ 210AverageC$ 509FlexibilityNo cancel feeOn-time60%
Search WestJet flights
Air TransatCheapestC$ 215AverageC$ 447FlexibilityNo cancel feeOn-time50%
Search Air Transat flights
Air CanadaCheapestC$ 217AverageC$ 600FlexibilityNo cancel feeOn-time67%
Search Air Canada flights
Canada JetlinesCheapestC$ 219AverageC$ 394FlexibilityNo cancel feeOn-time58%
Search Canada Jetlines flights
American AirlinesCheapestC$ 238AverageC$ 552FlexibilityNo cancel feeOn-time71%
Search American Airlines flights
United AirlinesCheapestC$ 250AverageC$ 598FlexibilityNo cancel feeOn-time69%
Search United Airlines 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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