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Cheap flights from the United States to Ontario from C$ 127

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from the United States to Ontario departing on 20/11. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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Find the cheapest flights from the United States to Ontario

Recent round-trip flight deals from the United States to Ontario

Enter your travel dates to find the best prices.
Air Canada Logo
5:35 p.m. - 12:04 a.m.LGA-YYZ
6h 29m1 stop
Air Canada Logo
8:55 p.m. - 10:33 p.m.YYZ-LGA
1h 38mdirect
C$ 274Air Canada
Find Deal
Wed, 11 Mar - Thu, 12 Mar
Air Canada Logo
6:05 a.m. - 12:40 p.m.LGA-YYZ
6h 35m1 stop
Air Canada Logo
12:00 p.m. - 4:57 p.m.YYZ-LGA
4h 57m1 stop
C$ 275Air Canada
Find Deal
Wed, 11 Mar - Thu, 12 Mar
Air Canada Logo
10:05 a.m. - 2:34 p.m.JFK-YYZ
4h 29m1 stop
Air Canada Logo
8:55 p.m. - 10:45 p.m.YYZ-JFK
1h 50mdirect
C$ 275Air Canada
Find Deal
Tue, 28 Apr - Thu, 30 Apr
Multiple Airlines Logo
4:34 p.m. - 2:20 p.m.EWR-YYZ
21h 46m2 stops
Multiple Airlines Logo
12:15 p.m. - 10:04 p.m.YYZ-EWR
33h 49m3 stops
C$ 289Multiple Airlines
Find Deal
Wed, 21 Jan - Sun, 25 Jan
Multiple Airlines Logo
9:03 p.m. - 2:20 p.m.EWR-YYZ
17h 17m2 stops
Multiple Airlines Logo
12:15 p.m. - 10:04 p.m.YYZ-EWR
33h 49m3 stops
C$ 295Multiple Airlines
Find Deal
Thu, 8 Jan - Sun, 11 Jan
Porter Airlines Logo
10:55 a.m. - 3:58 p.m.EWR-YTZ
5h 03m1 stop
Porter Airlines Logo
7:00 a.m. - 10:55 a.m.YTZ-EWR
3h 55m1 stop
C$ 307Porter Airlines
Find Deal
Thu, 4 Dec - Sun, 7 Dec
Porter Airlines Logo
7:35 p.m. - 9:15 p.m.EWR-YTZ
1h 40mdirect
Porter Airlines Logo
7:00 a.m. - 10:55 a.m.YTZ-EWR
3h 55m1 stop
C$ 309Porter Airlines
Find Deal
Thu, 4 Dec - Sun, 7 Dec
WestJet Logo
5:45 p.m. - 6:13 a.m.LAX-YYZ
9h 28m1 stop
WestJet Logo
12:30 p.m. - 10:03 p.m.YYZ-LAX
12h 33m2 stops
C$ 387WestJet
Find Deal
Mon, 1 Dec - Fri, 5 Dec
WestJet Logo
7:00 a.m. - 7:36 p.m.LAX-YYZ
9h 36m1 stop
WestJet Logo
12:30 p.m. - 10:03 p.m.YYZ-LAX
12h 33m2 stops
C$ 390WestJet
Find Deal
Fri, 28 Nov - Thu, 4 Dec
Flair Airlines Logo
10:50 a.m. - 7:50 a.m.LAX-YYZ
18h 00m1 stop
Flair Airlines Logo
9:00 p.m. - 10:05 a.m.YYZ-LAX
16h 05m1 stop
C$ 397Flair Airlines
Find Deal
Fri, 28 Nov - Thu, 4 Dec

Air Canada flights from United States to Region of Ontario

Our best Air Canada deals on United States to Region of Ontario flight tickets
Air Canada
11 Mar
LGA5:35 p.m.New York LaGuardia
6h 29m
1 stop
YYZ12:04 a.m.Toronto Pearson Intl
12 Mar
YYZ8:55 p.m.Toronto Pearson Intl
1h 38m
LGA10:33 p.m.New York LaGuardia
C$ 274
Find similar
Air Canada
28 Apr
JFK10:05 a.m.New York John F Kennedy Intl
4h 29m
1 stop
YYZ2:34 p.m.Toronto Pearson Intl
30 Apr
YYZ8:55 p.m.Toronto Pearson Intl
1h 50m
JFK10:45 p.m.New York John F Kennedy Intl
C$ 275
Find similar
Air Canada
4 Mar
JFK10:05 a.m.New York John F Kennedy Intl
7h 31m
2 stops
YYZ5:36 p.m.Toronto Pearson Intl
5 Mar
YYZ12:10 p.m.Toronto Pearson Intl
8h 48m
2 stops
JFK8:58 p.m.New York John F Kennedy Intl
C$ 276
Find similar

WestJet flights from United States to Region of Ontario

Our best WestJet deals on United States to Region of Ontario flight tickets
WestJet
1 Dec
LAX5:45 p.m.Los Angeles
9h 28m
1 stop
YYZ6:13 a.m.Toronto Pearson Intl
5 Dec
YYZ12:30 p.m.Toronto Pearson Intl
12h 33m
2 stops
LAX10:03 p.m.Los Angeles
C$ 387
Find similar
WestJet
28 Nov
LAX7:00 a.m.Los Angeles
9h 36m
1 stop
YYZ7:36 p.m.Toronto Pearson Intl
4 Dec
YYZ12:30 p.m.Toronto Pearson Intl
12h 33m
2 stops
LAX10:03 p.m.Los Angeles
C$ 390
Find similar
WestJet
27 Nov
LAX12:15 p.m.Los Angeles
14h 43m
2 stops
YYZ5:58 a.m.Toronto Pearson Intl
3 Dec
YYZ1:30 p.m.Toronto Pearson Intl
11h 33m
1 stop
LAX10:03 p.m.Los Angeles
C$ 392
Find similar

momondo Fare Finder

 
Customize your flight search to find flights from United States to Region of Ontario 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 30 October 2025.
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

New YorkToronto

LGA - YYZ

LGAYYZ

New York LaGuardia

Wed 11/3

5:35 p.m.-12:04 a.m.

1 stop6h 29m

Toronto Pearson Intl

Thu 12/3

8:55 p.m.-10:33 p.m.

Nonstop1h 38m

C$ 274

New YorkToronto

LGA - YYZ

LGAYYZ

New York LaGuardia

Wed 11/3

6:05 a.m.-12:40 p.m.

1 stop6h 35m

Toronto Pearson Intl

Thu 12/3

12:00 p.m.-4:57 p.m.

1 stop4h 57m

C$ 275

New YorkToronto

JFK - YYZ

JFKYYZ

New York John F Kennedy Intl

Tue 28/4

10:05 a.m.-2:34 p.m.

1 stop4h 29m

Toronto Pearson Intl

Thu 30/4

8:55 p.m.-10:45 p.m.

Nonstop1h 50m

C$ 275

NewarkToronto

EWR - YYZ

EWRYYZ

Newark

Wed 21/1

4:34 p.m.-2:20 p.m.

2 stops21h 46m

Toronto Pearson Intl

Sun 25/1

12:15 p.m.-10:04 p.m.

3 stops33h 49m

C$ 289

NewarkToronto

EWR - YYZ

EWRYYZ

Newark

Thu 8/1

9:03 p.m.-2:20 p.m.

2 stops17h 17m

Toronto Pearson Intl

Sun 11/1

12:15 p.m.-10:04 p.m.

3 stops33h 49m

C$ 295

NewarkToronto

EWR - YTZ

EWRYTZ

Newark

Thu 4/12

10:55 a.m.-3:58 p.m.

1 stop5h 03m

Toronto Island

Sun 7/12

7:00 a.m.-10:55 a.m.

1 stop3h 55m

C$ 307

NewarkToronto

EWR - YTZ

EWRYTZ

Newark

Thu 4/12

7:35 p.m.-9:15 p.m.

Nonstop1h 40m

Toronto Island

Sun 7/12

7:00 a.m.-10:55 a.m.

1 stop3h 55m

C$ 309

Los AngelesToronto

LAX - YYZ

LAXYYZ

Los Angeles

Mon 1/12

5:45 p.m.-6:13 a.m.

1 stop9h 28m

Toronto Pearson Intl

Fri 5/12

12:30 p.m.-10:03 p.m.

2 stops12h 33m

C$ 387

Los AngelesToronto

LAX - YYZ

LAXYYZ

Los Angeles

Fri 28/11

7:00 a.m.-7:36 p.m.

1 stop9h 36m

Toronto Pearson Intl

Thu 4/12

12:30 p.m.-10:03 p.m.

2 stops12h 33m

C$ 390

Los AngelesToronto

LAX - YYZ

LAXYYZ

Los Angeles

Fri 28/11

10:50 a.m.-7:50 a.m.

1 stop18h 00m

Toronto Pearson Intl

Thu 4/12

9:00 p.m.-10:05 a.m.

1 stop16h 05m

C$ 397

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 Ontario from

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

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 Region of Ontario?

In general, February is the cheapest month to fly from United States to Region of Ontario. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around C$ 170. If you are unable to visit Region of Ontario during the month of February, then departing from United States during the month April is also very affordable. Most momondo users find prices during this month for around C$ 209.

What is the cheapest day to depart on your flight to Region of Ontario?

The cheapest day to depart from United States to Region of Ontario is on a Friday. Travellers who choose to depart for Region of Ontario on a Friday will often find tickets for as low as C$ 340. The most expensive day to fly to Region of Ontario is Sunday, with ticket prices averaging around C$ 517.

What is the cheapest time of day to depart on your flight to Region of Ontario?

Our most recent data shows that the best time of day to fly to Region of Ontario is in the evening. Flights from United States to Region of Ontario during this time can be as low as C$ 277. If you have a flexible travel schedule, then try to avoid flying at noon when prices are C$ 481 on average. Flights to Region of Ontario from United States at noon are generally more expensive because this time of day is more convenient for travellers’ schedules.

What is the cheapest United States to Ontario flight route?

Fly from Orlando to Toronto Pearson Intl for the best United States - Ontario flight prices

How far in advance should I book a flight to Region of Ontario?

You are more likely to see cheaper flights to Region of Ontario from United States when booking weeks ahead of your departure date. In general, you can expect to find flights to Region of Ontario for around C$ 271 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Region of Ontario from United States for as low as C$ 189 on momondo.

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

There are 4 cabin classes available to choose from on United States to Ontario 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 United States to Region of Ontario flights?

You could potentially save up to 7% on your flight if you consider stops on a United States to Region of Ontario flight.

Cheap United States to Region of Ontario flight deals and tips

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

Best price found

C$ 96

Fastest flight time

1h 27m

Direct flights

Every day

Airports in Region of Ontario

1 airport
The best one-way flight to Region of Ontario from United States in the past 72 hours is C$ 96. The best round-trip flight deal from United States to Region of Ontario found on momondo in the last 72 hours is C$ 109.
The fastest flight from United States to Region of Ontario takes 1h 27m
Direct flights go from United States to Region of Ontario every day.
There is 1 airport near Region of Ontario: Montreal Pierre Elliott Trudeau Intl (YUL)
Search flight deals

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

    Prices for flights from United States to Ontario are updated daily.

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

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

    The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from United States to Ontario.

  • What documentation or ID do you need to fly to Ontario?

    The required travel and health documents for your Ontario 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 Ontario. 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 United States to Region of Ontario?

Best airlines flying from United States to Region of Ontario

Compare and see reviews for airlines that fly from United States to Region of Ontario with momondo
Airline
Rating
Free Cancellation
Price
Flair AirlinesPriceFrom C$ 130Free CancellationRating
6.0
252 reviews
Search Flair Airlines flights
Air CanadaPriceFrom C$ 140Free CancellationRating
7.1
10,381 reviews
Search Air Canada flights
Porter AirlinesPriceFrom C$ 148Free CancellationRating
8.0
384 reviews
Search Porter Airlines flights
DeltaPriceFrom C$ 149Free CancellationRating
7.9
7,998 reviews
Search Delta flights
United AirlinesPriceFrom C$ 164Free CancellationRating
7.4
8,998 reviews
Search United Airlines flights
American AirlinesPriceFrom C$ 179Free CancellationRating
7.2
11,035 reviews
Search American Airlines flights
WestJetPriceFrom C$ 189Free CancellationRating
7.2
3,152 reviews
Search WestJet flights
Air TransatPriceFrom C$ 303Free CancellationRating
7.8
469 reviews
Search Air Transat flights

Why use momondo?

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

It is quick and easy to find United States to Ontario flights on momondo. We search and return numerous flight options from various airlines and agents. You can then use our filters to narrow your search until you have found the most convenient flight to Ontario that suits you.

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

Yes. momondo enables you to select and highlight flights to Ontario from United States with this policy.

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

Once you have performed a search for United States to Ontario flights, momondo helps you find the right one by offering useful filters to narrow down your flight selection. Flights can be filtered by multiple factors such as airline, airport and price; but also by other criteria like aircraft type and payment method.

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

Price alerts on flights to Ontario from United States are quick and easy to set up on momondo. Simply perform a search and select the price alert feature. It is as simple as that.

An easier way to manage your Region of Ontario trip

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Find better results for your trip to Ontario

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Popular flights according to clicks in the last 7 days on momondo
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