Latest deals
Insights
FAQs
Reviews
Price Alerts

Cheap flights from Ontario to the United States from C$ 51

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 28/8. 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

Discover deals from 900+ travel sites with momondo.

Save money when you book flights with momondo

Big names, great deals

Big names, great deals

Search 100s of travel sites to compare prices.

Filter for what you want

Filter for what you want

Free Wi-Fi? Early arrival? Instantly customize your results

Trusted and free

Trusted and free

We’re completely free to use - no hidden charges or fees.

Price Alerts

Price Alerts

Not ready to book? to track prices.
Search flight deals

Find the cheapest flights from Ontario to the United States

Cheap round-trip flights

Copa Airlines Logo
9:00 a.m. - 4:16 p.m.YYZ-FLL
31h 16m1 stop
Copa Airlines Logo
6:15 p.m. - 1:13 a.m.FLL-YYZ
30h 58m1 stop
C$ 100Copa Airlines
Find Deal
Sat, 23 Aug - Sat, 6 Sep
Porter Airlines Logo
9:30 a.m. - 11:15 a.m.YYZ-LAS
4h 45mdirect
Porter Airlines Logo
12:20 p.m. - 7:45 p.m.LAS-YYZ
4h 25mdirect
C$ 100Porter Airlines
Find Deal
Sat, 6 Sep - Tue, 16 Sep
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$ 147Flair Airlines
Find Deal
Thu, 4 Sep - Thu, 11 Sep
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$ 155Flair Airlines
Find Deal
Thu, 4 Sep - Thu, 11 Sep
WestJet Logo
9:45 a.m. - 11:39 a.m.YYZ-LAS
4h 54mdirect
WestJet Logo
12:35 p.m. - 7:58 p.m.LAS-YYZ
4h 23mdirect
C$ 191WestJet
Find Deal
Thu, 11 Sep - Mon, 15 Sep
Logo
9:35 a.m. - 12:48 p.m.YYZ-FLL
3h 13mdirect
Logo
10:50 a.m. - 2:05 p.m.FLL-YYZ
3h 15mdirect
C$ 202
Find Deal
Fri, 19 Sep - Tue, 30 Sep
Logo
1:30 p.m. - 4:49 p.m.YYZ-FLL
3h 19mdirect
Logo
10:50 a.m. - 2:05 p.m.FLL-YYZ
3h 15mdirect
C$ 204
Find Deal
Mon, 8 Sep - Tue, 16 Sep
WestJet Logo
7:45 p.m. - 10:10 p.m.YYZ-LAX
5h 25mdirect
WestJet Logo
11:10 p.m. - 6:59 a.m.LAX-YYZ
4h 49mdirect
C$ 223WestJet
Find Deal
Sun, 31 Aug - Tue, 9 Sep
Air Canada Logo
7:25 p.m. - 8:59 p.m.YYZ-LGA
1h 34mdirect
Air Canada Logo
4:50 p.m. - 6:25 p.m.LGA-YYZ
1h 35mdirect
C$ 223Air Canada
Find Deal
Tue, 2 Sep - Sat, 6 Sep
Air Canada Logo
7:25 p.m. - 8:59 p.m.YYZ-LGA
1h 34mdirect
Air Canada Logo
7:05 p.m. - 11:14 p.m.LGA-YYZ
4h 09m1 stop
C$ 230Air Canada
Find Deal
Tue, 2 Sep - Sat, 6 Sep

WestJet flights from Region of Ontario to United States

Our best WestJet deals on Region of Ontario to United States flight tickets
WestJet
11 Sep
YYZ9:45 a.m.Toronto Pearson Intl
4h 54m
LAS11:39 a.m.Las Vegas Harry Reid Intl
15 Sep
LAS12:35 p.m.Las Vegas Harry Reid Intl
4h 23m
YYZ7:58 p.m.Toronto Pearson Intl
C$ 191
Find similar
WestJet
31 Aug
YYZ7:45 p.m.Toronto Pearson Intl
5h 25m
LAX10:10 p.m.Los Angeles
9 Sep
LAX11:10 p.m.Los Angeles
4h 49m
YYZ6:59 a.m.Toronto Pearson Intl
C$ 223
Find similar
WestJet
16 Sep
YYZ7:45 p.m.Toronto Pearson Intl
5h 26m
LAX10:11 p.m.Los Angeles
30 Sep
LAX11:10 p.m.Los Angeles
4h 49m
YYZ6:59 a.m.Toronto Pearson Intl
C$ 224
Find similar

United Airlines flights from Region of Ontario to United States

Our best United Airlines deals on Region of Ontario to United States flight tickets
United Airlines
27 Nov
YYZ11:00 a.m.Toronto Pearson Intl
6h 53m
1 stop
EWR5:53 p.m.Newark
27 Nov
EWR9:29 p.m.Newark
1h 51m
YYZ11:20 p.m.Toronto Pearson Intl
C$ 245
Find similar
United Airlines
19 Sep
YYZ12:25 p.m.Toronto Pearson Intl
5h 18m
LAX2:43 p.m.Los Angeles
28 Sep
LAX1:25 p.m.Los Angeles
4h 50m
YYZ9:15 p.m.Toronto Pearson Intl
C$ 286
Find similar
United Airlines
2 Sep
YYZ7:30 a.m.Toronto Pearson Intl
1h 40m
EWR9:10 a.m.Newark
11 Oct
EWR7:36 a.m.Newark
1h 43m
YYZ9:19 a.m.Toronto Pearson Intl
C$ 293
Find similar

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 7 August 2025.
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

TorontoFort Lauderdale

YYZ - FLL

YYZFLL

Toronto Pearson Intl

Sat 23/8

9:00 a.m.-4:16 p.m.

1 stop31h 16m

Fort Lauderdale

Sat 6/9

6:15 p.m.-1:13 a.m.

1 stop30h 58m

C$ 100

TorontoLas Vegas

YYZ - LAS

YYZLAS

Toronto Pearson Intl

Sat 6/9

9:30 a.m.-11:15 a.m.

Nonstop4h 45m

Las Vegas Harry Reid Intl

Tue 16/9

12:20 p.m.-7:45 p.m.

Nonstop4h 25m

C$ 100

TorontoFort Lauderdale

YYZ - FLL

YYZFLL

Toronto Pearson Intl

Thu 4/9

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

Nonstop3h 20m

Fort Lauderdale

Thu 11/9

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

Nonstop3h 15m

C$ 147

TorontoFort Lauderdale

YYZ - FLL

YYZFLL

Toronto Pearson Intl

Thu 4/9

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

Nonstop3h 20m

Fort Lauderdale

Thu 11/9

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

Nonstop3h 15m

C$ 155

TorontoLas Vegas

YYZ - LAS

YYZLAS

Toronto Pearson Intl

Thu 11/9

9:45 a.m.-11:39 a.m.

Nonstop4h 54m

Las Vegas Harry Reid Intl

Mon 15/9

12:35 p.m.-7:58 p.m.

Nonstop4h 23m

C$ 191

TorontoFort Lauderdale

YYZ - FLL

YYZFLL

Toronto Pearson Intl

Fri 19/9

9:35 a.m.-12:48 p.m.

Nonstop3h 13m

Fort Lauderdale

Tue 30/9

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

Nonstop3h 15m

C$ 202

TorontoFort Lauderdale

YYZ - FLL

YYZFLL

Toronto Pearson Intl

Mon 8/9

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

Nonstop3h 19m

Fort Lauderdale

Tue 16/9

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

Nonstop3h 15m

C$ 204

TorontoLos Angeles

YYZ - LAX

YYZLAX

Toronto Pearson Intl

Sun 31/8

7:45 p.m.-10:10 p.m.

Nonstop5h 25m

Los Angeles

Tue 9/9

11:10 p.m.-6:59 a.m.

Nonstop4h 49m

C$ 223

TorontoNew York

YYZ - LGA

YYZLGA

Toronto Pearson Intl

Tue 2/9

7:25 p.m.-8:59 p.m.

Nonstop1h 34m

New York LaGuardia

Sat 6/9

4:50 p.m.-6:25 p.m.

Nonstop1h 35m

C$ 223

TorontoNew York

YYZ - LGA

YYZLGA

Toronto Pearson Intl

Tue 2/9

7:25 p.m.-8:59 p.m.

Nonstop1h 34m

New York LaGuardia

Sat 6/9

7:05 p.m.-11:14 p.m.

1 stop4h 09m

C$ 230

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
1
2

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$ 252. If you don’t want to visit United States in September, then you should wait until January to fly from Region of Ontario, when ticket prices are also cheap, with an average price of C$ 285.

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 Tuesday. momondo users have found tickets for Tuesday departures for as low as C$ 274. 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$ 415.

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$ 321. Flights to United States are more costly in the afternoon, with an average ticket price of C$ 404. Departure times in the afternoon 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$ 330 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$ 296 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 24% 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$ 51

Fastest flight time

1h 30m

Direct flights

Every day

Airports in United States

6 airports
The best one-way flight to United States from Region of Ontario in the past 72 hours is C$ 51. The best round-trip flight deal from Region of Ontario to United States found on momondo in the last 72 hours is C$ 100.
The fastest flight from Region of Ontario to United States takes 1h 30m
Direct flights go from Region of Ontario to United States every day.
There are 6 airports near United States: Newark (EWR), Los Angeles (LAX), Fort Lauderdale (FLL), New York LaGuardia (LGA), New York John F Kennedy Intl (JFK), Las Vegas Harry Reid Intl (LAS)
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
5.8
3,231 reviews
Search Frontier flights
Flair AirlinesPriceFrom C$ 140Free CancellationRating
6.0
248 reviews
Search Flair Airlines flights
American AirlinesPriceFrom C$ 141Free CancellationRating
7.2
10,000 reviews
Search American Airlines flights
Porter AirlinesPriceFrom C$ 162Free CancellationRating
8.0
325 reviews
Search Porter Airlines flights
WestJetPriceFrom C$ 176Free CancellationRating
7.2
3,003 reviews
Search WestJet flights
DeltaPriceFrom C$ 177Free CancellationRating
8.0
7,985 reviews
Search Delta flights
United AirlinesPriceFrom C$ 191Free CancellationRating
7.4
8,917 reviews
Search United Airlines flights
Air CanadaPriceFrom C$ 194Free CancellationRating
7.1
9,893 reviews
Search Air Canada flights
Air TransatPriceFrom C$ 207Free CancellationRating
7.7
425 reviews
Search Air Transat flights
Canada JetlinesPriceFrom C$ 208Free CancellationRating
7.1
30 reviews
Search Canada Jetlines 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.

An easier way to manage your United States trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.
Start using Trips
Find my bookings

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.
1 adult
Tue 12/8
Tue 19/8
By creating a price alert you accept our terms of use and privacy policy.

Find better results for your trip to the United States

Popular Cities in the United States

Popular flights according to clicks in the last 7 days on momondo
Flights to Fort Lauderdalefrom C$ 164
Flights to Orlandofrom C$ 164
Flights to New Yorkfrom C$ 227
Flights to Las Vegasfrom C$ 168
Flights to Los Angelesfrom C$ 151
Flights to Miamifrom C$ 308
Flights to San Franciscofrom C$ 138
Flights to Honolulufrom C$ 290
Flights to Phoenixfrom C$ 212
Flights to Tampafrom C$ 179
Flights to Chicagofrom C$ 235
Flights to Dallasfrom C$ 321