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Cheap flights from the United States to Ontario from C$ 105

LAX — YYZ
23 Nov — 30 Nov1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from USA to Ontario

Enter your travel dates to find the best prices.

Cheapest flights from USA to Ontario

Fri 25/127:35 p.m. -
Nonstop3h 20m
Wed 6/19:20 a.m. -
Nonstop3h 30m
Deal found 22/10C$ 199
Fri 18/1211:20 a.m. -
Nonstop3h 20m
Wed 6/19:20 a.m. -
Nonstop3h 30m
Deal found 20/10C$ 221
Tue 15/127:35 p.m. -
Nonstop3h 20m
Tue 5/19:20 a.m. -
Nonstop3h 30m
Deal found 20/10C$ 223
Wed 16/127:35 p.m. -
Nonstop3h 20m
Tue 5/19:20 a.m. -
Nonstop3h 30m
Deal found 20/10C$ 227
Fri 18/1211:20 a.m. -
Nonstop3h 20m
Mon 4/14:20 p.m. -
Nonstop3h 27m
Deal found 22/10C$ 228
Tue 24/119:35 a.m. -
Nonstop1h 46m
Tue 1/123:25 p.m. -
Nonstop1h 34m
Deal found 20/10C$ 237
Thu 19/1112:00 p.m. -
Nonstop3h 20m
Mon 23/119:20 a.m. -
Nonstop3h 30m
Deal found 22/10C$ 237
Sat 14/119:35 a.m. -
Nonstop1h 46m
Wed 13/17:00 a.m. -
Nonstop1h 40m
Deal found 21/10C$ 238
Wed 18/119:35 a.m. -
Nonstop1h 46m
Sat 21/116:25 p.m. -
Nonstop1h 35m
Deal found 22/10C$ 239
Fri 13/1112:00 p.m. -
Nonstop3h 20m
Mon 16/117:35 a.m. -
Nonstop3h 20m
Deal found 23/10C$ 239
Sat 21/119:35 a.m. -
Nonstop1h 46m
Sat 21/113:25 p.m. -
Nonstop1h 34m
Deal found 20/10C$ 241
Sat 21/119:35 a.m. -
Nonstop1h 46m
Sun 22/117:00 a.m. -
Nonstop1h 35m
Deal found 20/10C$ 242

Find flight deals from USA to Ontario

Round-trip from

C$ 199

One-way from

C$ 105

Popular in

February

Cheapest in

April

Average price

C$ 469

Good round-trip deal

C$ 160 or less

Good one-way deal

C$ 122 or less
WestJet
  • WestJet
  • 25/12-6/1
  • Nonstop
  • 6h 50m total
  • USA to Ontario
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Porter Airlines
  • Porter Airlines
  • 24/2-31/12
  • Nonstop
  • 3h 00m total
  • USA to Ontario
Search Deals
Highest demand for flights based on searches. 0% potential increase in price (C$ 4 potential increase over avg. RT price).
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Cheapest flight prices on average. 3% potential price decrease (C$ 21 potential savings vs. average RT price).
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Average for round-trip flights in October 2026
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Price to beat on a round-trip flight from USA to Ontario.
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Price to beat on a one-way flight from USA to Ontario.
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Cheapflights Fare Finder

 
Use the filters below to find and compare flights from the United States to Ontario that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

Fort LauderdaleToronto

FLL Fort Lauderdale - YYZ Toronto Pearson Intl

FLLYYZ

Fort Lauderdale

Fri 18/12

5:27 p.m.-11:26 p.m.

1 stop5h 59m

Toronto Pearson Intl

Wed 31/12

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

Nonstop0h 00m

C$ 119

Fort LauderdaleToronto

FLL Fort Lauderdale - YYZ Toronto Pearson Intl

FLLYYZ

Fort Lauderdale

Tue 22/12

8:40 p.m.-11:55 p.m.

Nonstop3h 15m

Toronto Pearson Intl

Wed 31/12

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

Nonstop0h 00m

C$ 137

TampaToronto

TPA Tampa - YYZ Toronto Pearson Intl

TPAYYZ

Tampa

Mon 7/12

7:20 a.m.-4:14 p.m.

1 stop8h 54m

Toronto Pearson Intl

Wed 31/12

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

Nonstop0h 00m

C$ 140

NewarkToronto

EWR Newark - YYZ Toronto Pearson Intl

EWRYYZ

Newark

Sun 29/11

7:21 a.m.-9:14 a.m.

Nonstop1h 53m

Toronto Pearson Intl

Wed 31/12

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

Nonstop0h 00m

C$ 157

NewarkToronto

EWR Newark - YYZ Toronto Pearson Intl

EWRYYZ

Newark

Wed 25/11

7:21 a.m.-9:14 a.m.

Nonstop1h 53m

Toronto Pearson Intl

Wed 31/12

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

Nonstop0h 00m

C$ 157

TampaToronto

TPA Tampa - YYZ Toronto Pearson Intl

TPAYYZ

Tampa

Tue 24/11

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

2 stops12h 00m

Toronto Pearson Intl

Wed 31/12

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

Nonstop0h 00m

C$ 161

TampaToronto

TPA Tampa - YYZ Toronto Pearson Intl

TPAYYZ

Tampa

Sat 5/12

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

2 stops12h 05m

Toronto Pearson Intl

Wed 31/12

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

Nonstop0h 00m

C$ 161

Fort LauderdaleToronto

FLL Fort Lauderdale - YYZ Toronto Pearson Intl

FLLYYZ

Fort Lauderdale

Tue 26/1

6:35 a.m.-4:18 p.m.

1 stop9h 43m

Toronto Pearson Intl

Wed 31/12

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

Nonstop0h 00m

C$ 162

Fort LauderdaleToronto

FLL Fort Lauderdale - YYZ Toronto Pearson Intl

FLLYYZ

Fort Lauderdale

Mon 14/12

9:45 a.m.-6:00 p.m.

1 stop8h 15m

Toronto Pearson Intl

Wed 31/12

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

Nonstop0h 00m

C$ 162

Fort LauderdaleToronto

FLL Fort Lauderdale - YYZ Toronto Pearson Intl

FLLYYZ

Fort Lauderdale

Thu 26/11

2:35 p.m.-9:57 p.m.

1 stop7h 22m

Toronto Pearson Intl

Wed 31/12

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

Nonstop0h 00m

C$ 162

Flights are sorted by cheapest round-trip flights first.

Deals found on 22/10

Showing 1-10 of 60 resultsSorted by cheapest first
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Best time to book a flight from USA to Ontario

Have a flexible travel schedule? Discover the best time to fly to Ontario from USA with our price prediction graph.
Estimated round-trip price

Cheapflights Insights

Everything you need to know about your flight from the United States to Ontario

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

Currently, January is the cheapest month in which you can book a flight from USA to Region of Ontario (average of C$ 476). Flying from USA to Region of Ontario in October is currently the most expensive (average of C$ 585). 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 US to ON?

It’s typically best to fly out from USA to Region of Ontario in the evening. Doing so could potentially save you 16% on the flight price compared to flying at noon, which is usually more expensive.

How far ahead should I book a flight from USA to Region of Ontario?

Booking 30 days in advance of your planned departure date is, on average, the best time to get cheap flights from USA to Region of Ontario. The general trend is that the closer you book to the departure date, the more expensive your flight will be.

What is the cheapest day to fly from USA to Region of Ontario?

Travelers seeking maximum savings on their USA to Region of Ontario flight should consider departing on Tuesday afternoons 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.

Reviews of airlines servicing Ontario

See what other customers who have flown with Porter Airlines,Delta, andUnited Airlines from the United States to Ontario have to say. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
Porter Airlines
8.0
Very good
467 reviews
Check prices

Comfort

8.0

Entertainment

6.9

Crew

8.6

Food

7.6

Overall

8.0

Boarding

8.2

Reviews

1 / 20
6.0
Good

Shannon,Jul 2026

YQT - YOW

Seats need to be a bit bigger & I'm not impressed that you have to pay to change seats
Porter Airlines
8.0
Very good
467 reviews
Porter Airlines
8.0
Very good
467 reviews
Check prices

Comfort

8.0

Entertainment

6.9

Crew

8.6

Food

7.6

Overall

8.0

Boarding

8.2

Reviews

1 / 20
6.0
Good

Shannon,Jul 2026

YQT - YOW

Seats need to be a bit bigger & I'm not impressed that you have to pay to change seats
Delta
7.8
Good
8,678 reviews
Porter Airlines
8.0
Very good
467 reviews
Check prices

Comfort

8.0

Entertainment

6.9

Crew

8.6

Food

7.6

Overall

8.0

Boarding

8.2

Reviews

1 / 20
6.0
Good

Shannon,Jul 2026

YQT - YOW

Seats need to be a bit bigger & I'm not impressed that you have to pay to change seats
United Airlines
7.3
Good
10,432 reviews
Porter Airlines
8.0
Very good
467 reviews
Check prices

Comfort

8.0

Entertainment

6.9

Crew

8.6

Food

7.6

Overall

8.0

Boarding

8.2

Reviews

1 / 20
6.0
Good

Shannon,Jul 2026

YQT - YOW

Seats need to be a bit bigger & I'm not impressed that you have to pay to change seats
WestJet
7.2
Good
3,445 reviews
Porter Airlines
8.0
Very good
467 reviews
Check prices

Comfort

8.0

Entertainment

6.9

Crew

8.6

Food

7.6

Overall

8.0

Boarding

8.2

Reviews

1 / 20
6.0
Good

Shannon,Jul 2026

YQT - YOW

Seats need to be a bit bigger & I'm not impressed that you have to pay to change seats
Air Canada
7.1
Good
11,805 reviews
Porter Airlines
8.0
Very good
467 reviews
Check prices

Comfort

8.0

Entertainment

6.9

Crew

8.6

Food

7.6

Overall

8.0

Boarding

8.2

Reviews

1 / 20
6.0
Good

Shannon,Jul 2026

YQT - YOW

Seats need to be a bit bigger & I'm not impressed that you have to pay to change seats

Related info for your journey

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

    For as low as C$ 298, Delta can have you in Region of Ontario from USA in 1h 43m. The distance between USA and Region of Ontario is about 573 km. This flight may include one or multiple stops.

  • What are the cheapest airlines to fly from USA to Region of Ontario one-way?

    One-way options have recently been found by users for as low as C$ 41 on Flair Airlines. Other airlines that offer cheap prices include WestJet from C$ 74 and Porter Airlines from C$ 77 one-way.

  • Can I find deals for flights from USA to Ontario that include hotel bookings?

    Yes. In addition to deals on USA to Ontario flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from USA to Ontario?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from USA to Ontario.

  • Can I find deals for business class flights from USA to Ontario?

    Yes. Cheapflights offers flight deals from USA to Ontario 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 USA to Region of Ontario?

    Currently, January is the cheapest month in which you can book a flight from USA to Region of Ontario (average of C$ 476). Flying from USA to Region of Ontario in October is currently the most expensive (average of C$ 585). 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

Top 7 airlines flying from USA to Ontario

AirlineCheapestAverageFlexibilityOn-time
WestJetCheapestC$ 143AverageC$ 629FlexibilityNo cancel feeOn-time60%
Search WestJet flights
Air CanadaCheapestC$ 173AverageC$ 661FlexibilityNo cancel feeOn-time67%
Search Air Canada flights
Flair AirlinesCheapestC$ 175AverageC$ 301FlexibilityNo cancel feeOn-timeN/A
Search Flair Airlines flights
DeltaCheapestC$ 177AverageC$ 445FlexibilityNo cancel feeOn-timeN/A
Search Delta flights
Porter AirlinesCheapestC$ 194AverageC$ 531FlexibilityNo cancel feeOn-time52%
Search Porter Airlines flights
United AirlinesCheapestC$ 228AverageC$ 910FlexibilityNo cancel feeOn-time69%
Search United Airlines flights
American AirlinesCheapestC$ 261AverageC$ 652FlexibilityNo cancel feeOn-time71%
Search American Airlines flights

Fly with Cheapflights

How does Cheapflights help users find flights from USA to Ontario?

Deals for USA to Ontario flights are sourced from 900+ travel sites when you use Cheapflights. When all flight results come back, Cheapflights lets you sort and filter flights using different criteria to choose better, like price, airport, cabin class, and plenty of other options.

Why should you use Cheapflights to find cheap flight tickets from USA to Ontario?

By finding flights from multiple airlines and providers at completely no cost, Cheapflights helps millions of users like you annually find the best flights to Ontario from USA.

Can Cheapflights find flights from USA to Ontario with no change fees?

Need flexible booking options for your flight to Ontario from USA? Don’t worry, Cheapflights have you covered. Use our search filter to only show flights with no change fees.

Can Cheapflights notify me if prices for flights from USA to Ontario become cheaper?

Yes, Cheapflights offers price alerts on USA to Ontario flights so you can book your travel at the perfect time. Price Alerts can be enabled by clicking the bell icon next to the flight deals above and providing your email address where you want to receive the alerts.

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