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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 momondo user in the last 72 hours by searching for a flight from Ontario to the United States departing on 7/4. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
1 adult, Economy, 0 bags

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Find the cheapest flights from Ontario to the United States

Cheap round-trip flights

Enter your travel dates to find the best prices.
Flair Airlines Logo
6:30 a.m. - 9:50 a.m.
YYZ
-
FLL
3h 20mdirect
Flair Airlines Logo
10:50 a.m. - 2:05 p.m.
FLL
-
YYZ
3h 15mdirect
C$ 235Flair Airlines
Tue, 5 May - Thu, 14 May
Porter Airlines Logo
8:00 a.m. - 11:46 a.m.
YUL
-
FLL
3h 46mdirect
Porter Airlines Logo
2:10 p.m. - 5:35 p.m.
FLL
-
YUL
3h 25mdirect
C$ 235Porter Airlines
Sat, 25 Apr - Thu, 3 Dec
WestJet Logo
6:30 a.m. - 1:58 p.m.
YYZ
-
LAS
10h 28m
1 stop
WestJet Logo
8:05 a.m. - 9:26 p.m.
LAS
-
YYZ
10h 21m
1 stop
C$ 242WestJet
Mon, 20 Apr - Thu, 23 Apr
WestJet Logo
9:00 a.m. - 5:15 p.m.
YYZ
-
LAS
11h 15m
1 stop
WestJet Logo
1:45 p.m. - 1:05 a.m.
LAS
-
YYZ
8h 20m
1 stop
C$ 243WestJet
Mon, 27 Apr - Tue, 5 May
American Airlines Logo
12:45 p.m. - 2:29 p.m.
YYZ
-
LGA
1h 44mdirect
American Airlines Logo
9:59 a.m. - 12:00 p.m.
LGA
-
YYZ
2h 01mdirect
C$ 251American Airlines
Wed, 8 Apr - Wed, 15 Apr
American Airlines Logo
7:00 a.m. - 8:44 a.m.
YYZ
-
LGA
1h 44mdirect
American Airlines Logo
9:59 a.m. - 12:00 p.m.
LGA
-
YYZ
2h 01mdirect
C$ 252American Airlines
Thu, 2 Apr - Thu, 9 Apr
Multiple Airlines Logo
8:45 a.m. - 10:18 a.m.
YYZ
-
EWR
1h 33mdirect
Multiple Airlines Logo
10:55 a.m. - 4:20 p.m.
EWR
-
YYZ
5h 25m
1 stop
C$ 261Multiple Airlines
Sat, 4 Apr - Sun, 5 Apr
Air Transat Logo
6:45 a.m. - 10:35 a.m.
YUL
-
FLL
3h 50mdirect
Air Transat Logo
9:20 p.m. - 12:45 a.m.
FLL
-
YUL
3h 25mdirect
C$ 265Air Transat
Mon, 13 Apr - Thu, 23 Apr
Multiple Airlines Logo
8:45 a.m. - 10:18 a.m.
YYZ
-
EWR
1h 33mdirect
Multiple Airlines Logo
10:55 a.m. - 4:20 p.m.
EWR
-
YYZ
5h 25m
1 stop
C$ 265Multiple Airlines
Sat, 4 Apr - Sun, 5 Apr
Air Transat Logo
6:45 a.m. - 10:35 a.m.
YUL
-
FLL
3h 50mdirect
Air Transat Logo
9:20 p.m. - 12:45 a.m.
FLL
-
YUL
3h 25mdirect
C$ 273Air Transat
Sun, 12 Apr - Thu, 23 Apr

American Airlines flights from Region of Ontario to United States

Our best American Airlines deals on Region of Ontario to United States flight tickets
American Airlines
8 Apr
YYZ12:45 p.m.Toronto Pearson Intl
1h 44m
LGA2:29 p.m.New York LaGuardia
15 Apr
LGA9:59 a.m.New York LaGuardia
2h 01m
YYZ12:00 p.m.Toronto Pearson Intl
C$ 251
American Airlines
2 Apr
YYZ7:00 a.m.Toronto Pearson Intl
2h 00m
JFK9:00 a.m.New York John F Kennedy Intl
7 Apr
JFK8:00 a.m.New York John F Kennedy Intl
1h 59m
YYZ9:59 a.m.Toronto Pearson Intl
C$ 252
American Airlines
31 Mar
YYZ11:00 a.m.Toronto Pearson Intl
3h 59m
1 stop
JFK2:59 p.m.New York John F Kennedy Intl
9 Apr
JFK8:00 a.m.New York John F Kennedy Intl
1h 59m
YYZ9:59 a.m.Toronto Pearson Intl
C$ 272

Delta flights from Region of Ontario to United States

Our best Delta deals on Region of Ontario to United States flight tickets
Delta
4 Apr
YYZ6:00 a.m.Toronto Pearson Intl
2h 08m
JFK8:08 a.m.New York John F Kennedy Intl
7 Apr
JFK8:56 p.m.New York John F Kennedy Intl
2h 02m
YYZ10:58 p.m.Toronto Pearson Intl
C$ 292
Delta
2 Apr
YYZ6:00 a.m.Toronto Pearson Intl
2h 08m
JFK8:08 a.m.New York John F Kennedy Intl
28 Apr
JFK9:29 a.m.New York John F Kennedy Intl
1h 57m
YYZ11:26 a.m.Toronto Pearson Intl
C$ 296
Delta
29 Mar
YYZ6:00 a.m.Toronto Pearson Intl
1h 52m
LGA7:52 a.m.New York LaGuardia
25 Apr
LGA7:19 a.m.New York LaGuardia
1h 51m
YYZ9:10 a.m.Toronto Pearson Intl
C$ 298

momondo Fare Finder

 
Customize your flight search to find flights from Region of Ontario to United States 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, momondo users made 96,600 searches. Data last updated 23 March 2026.
Use the filters below to find and compare flights from Ontario to the United States that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

TorontoFort Lauderdale

YYZ - FLL

YYZFLL

Toronto Pearson Intl

Tue 5/5

6:30 a.m.-9:50 a.m.

Nonstop3h 20m

Fort Lauderdale

Thu 14/5

10:50 a.m.-2:05 p.m.

Nonstop3h 15m

C$ 235

MontrealFort Lauderdale

YUL - FLL

YULFLL

Montreal Pierre Elliott Trudeau Intl

Sat 25/4

8:00 a.m.-11:46 a.m.

Nonstop3h 46m

Fort Lauderdale

Thu 3/12

2:10 p.m.-5:35 p.m.

Nonstop3h 25m

C$ 235

TorontoLas Vegas

YYZ - LAS

YYZLAS

Toronto Pearson Intl

Mon 20/4

6:30 a.m.-1:58 p.m.

1 stop10h 28m

Las Vegas Harry Reid Intl

Thu 23/4

8:05 a.m.-9:26 p.m.

1 stop10h 21m

C$ 242

TorontoLas Vegas

YYZ - LAS

YYZLAS

Toronto Pearson Intl

Mon 27/4

9:00 a.m.-5:15 p.m.

1 stop11h 15m

Las Vegas Harry Reid Intl

Tue 5/5

1:45 p.m.-1:05 a.m.

1 stop8h 20m

C$ 243
Quickest round-trip

TorontoNew York

YYZ - LGA

YYZLGA

Toronto Pearson Intl

Wed 8/4

12:45 p.m.-2:29 p.m.

Nonstop1h 44m

New York LaGuardia

Wed 15/4

9:59 a.m.-12:00 p.m.

Nonstop2h 01m

C$ 251

TorontoNew York

YYZ - LGA

YYZLGA

Toronto Pearson Intl

Thu 2/4

7:00 a.m.-8:44 a.m.

Nonstop1h 44m

New York LaGuardia

Thu 9/4

9:59 a.m.-12:00 p.m.

Nonstop2h 01m

C$ 252

TorontoNewark

YYZ - EWR

YYZEWR

Toronto Pearson Intl

Sat 4/4

8:45 a.m.-10:18 a.m.

Nonstop1h 33m

Newark

Sun 5/4

10:55 a.m.-4:20 p.m.

1 stop5h 25m

C$ 261

MontrealFort Lauderdale

YUL - FLL

YULFLL

Montreal Pierre Elliott Trudeau Intl

Mon 13/4

6:45 a.m.-10:35 a.m.

Nonstop3h 50m

Fort Lauderdale

Thu 23/4

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

Nonstop3h 25m

C$ 265

TorontoNewark

YYZ - EWR

YYZEWR

Toronto Pearson Intl

Sat 4/4

8:45 a.m.-10:18 a.m.

Nonstop1h 33m

Newark

Sun 5/4

10:55 a.m.-4:20 p.m.

1 stop5h 25m

C$ 265

MontrealFort Lauderdale

YUL - FLL

YULFLL

Montreal Pierre Elliott Trudeau Intl

Sun 12/4

6:45 a.m.-10:35 a.m.

Nonstop3h 50m

Fort Lauderdale

Thu 23/4

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

Nonstop3h 25m

C$ 273

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to the United States from

How to get the cheapest flight ticket from Region of Ontario to United States

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the cheapest month to fly to United States?

The month of September is, on average, the cheapest month to fly to United States from Region of Ontario, with most prices found around C$ 279. If you don’t want to visit United States in September, then you should wait until April to fly from Region of Ontario, when ticket prices are also cheap, with an average price of C$ 303.

What is the cheapest day to depart on your flight to United States?

On average, the least expensive day to fly to United States from Region of Ontario is on a Monday. momondo users have found tickets for Monday departures for as low as C$ 303. However, this price may fluctuate depending on the airline, the season, and holidays. Be sure to avoid booking your departure on a Friday as prices are generally higher than usual. According to our data, the average ticket price to United States on Friday is C$ 445.

What is the cheapest time of day to depart on your flight to United States?

Our most recent data shows that the best time of day to fly to United States is at noon. Flights from Region of Ontario to United States during this time can be as low as C$ 324. Flights to United States are more costly in the morning, with an average ticket price of C$ 383. Departure times in the morning fall within the peak daily travel times, which is why tickets can be more expensive.

What is the cheapest Ontario to United States flight route?

Fly from London to Orlando for the best Ontario - United States flight prices

How far in advance should I book a flight to United States?

You are more likely to see cheaper flights to United States from Region of Ontario when booking weeks ahead of your departure date. In general, you can expect to find flights to United States for around C$ 358 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to United States from Region of Ontario for as low as C$ 322 on momondo.

What cabin class options are available on Ontario to United States flights?

There are 4 cabin classes available to choose from on Ontario to United States flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

Can stopping save me money on Region of Ontario to United States flights?

You could potentially save up to 36% on your flight if you consider stops on a Region of Ontario to United States flight.

Cheap Region of Ontario to United States flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Region of Ontario to United States

Best price found

C$ 158

Fastest flight time

1h 10m

Direct flights

Every day

Airports in United States

4,297 airports
The best one-way flight to United States from Region of Ontario in the past 72 hours is C$ 158. The best round-trip flight deal from Region of Ontario to United States found on momondo in the last 72 hours is C$ 268.
The fastest flight from Region of Ontario to United States takes 1h 10m
Direct flights go from Region of Ontario to United States every day.
There are 4,297 airports in United States. From Region of Ontario there are direct flights to Newark (EWR).
Search flight deals

  • When did momondo last update prices for flights from Ontario to United States?

    Prices for flights from Ontario to United States are refreshed on a daily basis.

  • How many operators does momondo search for flights from Ontario to United States?

  • How old do you have to be to fly from Ontario to United States?

    The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Ontario to United States.

  • What documentation or ID do you need to fly to United States?

    The required travel and health documents for your United States trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at United States. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

  • What is the most popular plane model from Region of Ontario to United States?

Best airlines flying from Region of Ontario to United States

Compare and see reviews for airlines that fly from Region of Ontario to United States with momondo
Airline
Rating
Free Cancellation
Price
FrontierPriceFrom C$ 78Free CancellationRating
5.7
3,020 reviews
Search Frontier flights
Flair AirlinesPriceFrom C$ 114Free CancellationRating
6.0
266 reviews
Search Flair Airlines flights
Air CanadaPriceFrom C$ 118Free CancellationRating
7.1
10,835 reviews
Search Air Canada flights
American AirlinesPriceFrom C$ 141Free CancellationRating
7.1
11,487 reviews
Search American Airlines flights
WestJetPriceFrom C$ 157Free CancellationRating
7.2
3,300 reviews
Search WestJet flights
DeltaPriceFrom C$ 163Free CancellationRating
7.9
8,318 reviews
Search Delta flights
United AirlinesPriceFrom C$ 177Free CancellationRating
7.4
9,464 reviews
Search United Airlines flights
Porter AirlinesPriceFrom C$ 205Free CancellationRating
8.0
427 reviews
Search Porter Airlines flights
Air TransatPriceFrom C$ 254Free CancellationRating
7.7
522 reviews
Search Air Transat flights
WestJet EncorePriceFrom C$ 282Free CancellationRating
0.0
Search WestJet Encore flights

Why use momondo?

Why should I use momondo to find a flight deal from Ontario to United States?

momondo compares prices from hundreds of airlines and agents so you can find and book the best deal on flights from Ontario to United States . Millions of users trust and use momondo every year so you are in good hands.

Can I find flights from Ontario to United States with flexible booking policies on momondo?

momondo does allow users to show only those flights to United States from Ontario which offer a flexible booking policy as well as other useful filters and features.

How can momondo help me find flights from Ontario to United States?

momondo provides multiple filters to help you find the best flight to United States from Ontario. Filter by price, airline, airports, cabin, aircraft, payment method, number of stops and more.

I’m not ready to book a flight from Ontario to United States right now. Can momondo alert me if prices change?

If you are simply researching potential flights to United States, momondo offers a useful price alert feature which will track prices for flights to United States from Ontario and alert you when they change.

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