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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 21/1. 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

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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.
Multiple Airlines Logo
5:55 p.m. - 7:35 p.m.
LGA
-
YYZ
1h 40mdirect
Multiple Airlines Logo
12:15 p.m. - 11:48 p.m.
YYZ
-
LGA
35h 33m3 stops
C$ 270Multiple Airlines
Thu, 22 Jan - Sun, 25 Jan
Porter Airlines Logo
5:55 p.m. - 7:35 p.m.
LGA
-
YYZ
1h 40mdirect
Porter Airlines Logo
7:15 a.m. - 8:55 a.m.
YYZ
-
LGA
1h 40mdirect
C$ 272Porter Airlines
Fri, 9 Jan - Sun, 11 Jan
Porter Airlines Logo
9:00 p.m. - 10:40 p.m.
LGA
-
YYZ
1h 40mdirect
Porter Airlines Logo
3:15 p.m. - 4:55 p.m.
YYZ
-
LGA
1h 40mdirect
C$ 273Porter Airlines
Fri, 16 Jan - Mon, 19 Jan
Multiple Airlines Logo
11:30 a.m. - 1:13 p.m.
LGA
-
YYZ
1h 43mdirect
Multiple Airlines Logo
12:15 p.m. - 11:48 p.m.
YYZ
-
LGA
35h 33m3 stops
C$ 275Multiple Airlines
Thu, 8 Jan - Sun, 11 Jan
Porter Airlines Logo
9:55 a.m. - 11:35 a.m.
LGA
-
YYZ
1h 40mdirect
Porter Airlines Logo
7:15 a.m. - 8:55 a.m.
YYZ
-
LGA
1h 40mdirect
C$ 276Porter Airlines
Thu, 22 Jan - Sun, 25 Jan
Air Canada Logo
6:05 a.m. - 7:32 a.m.
LGA
-
YUL
1h 27mdirect
Air Canada Logo
10:10 a.m. - 2:28 p.m.
YUL
-
LGA
4h 18m1 stop
C$ 279Air Canada
Sat, 7 Feb - Sat, 7 Feb
Air Canada Logo
9:45 a.m. - 11:30 a.m.
JFK
-
YYZ
1h 45mdirect
Air Canada Logo
2:30 p.m. - 4:09 p.m.
YYZ
-
JFK
1h 39mdirect
C$ 283Air Canada
Mon, 2 Feb - Mon, 9 Feb
WestJet Logo
12:15 p.m. - 5:58 a.m.
LAX
-
YYZ
14h 43m2 stops
WestJet Logo
8:00 a.m. - 4:58 p.m.
YYZ
-
LAX
11h 58m2 stops
C$ 312WestJet
Sat, 18 Apr - Sat, 25 Apr
WestJet Logo
12:15 p.m. - 5:58 a.m.
LAX
-
YYZ
14h 43m2 stops
WestJet Logo
1:30 p.m. - 10:03 p.m.
YYZ
-
LAX
11h 33m1 stop
C$ 315WestJet
Fri, 16 Jan - Tue, 20 Jan
United Airlines Logo
8:20 a.m. - 4:02 p.m.
IAD
-
YYZ
7h 42m1 stop
United Airlines Logo
7:40 p.m. - 9:25 p.m.
YYZ
-
IAD
1h 45mdirect
C$ 324United Airlines
Fri, 9 Jan - Fri, 9 Jan

Porter Airlines flights from United States to Region of Ontario

Our best Porter Airlines deals on United States to Region of Ontario flight tickets
Porter Airlines
9 Jan
LGA5:55 p.m.New York LaGuardia
1h 40m
YYZ7:35 p.m.Toronto Pearson Intl
11 Jan
YYZ7:15 a.m.Toronto Pearson Intl
1h 40m
LGA8:55 a.m.New York LaGuardia
C$ 272
Find similar
Porter Airlines
16 Jan
LGA9:00 p.m.New York LaGuardia
1h 40m
YYZ10:40 p.m.Toronto Pearson Intl
19 Jan
YYZ6:20 p.m.Toronto Pearson Intl
1h 40m
LGA8:00 p.m.New York LaGuardia
C$ 273
Find similar
Porter Airlines
22 Jan
LGA9:55 a.m.New York LaGuardia
1h 40m
YYZ11:35 a.m.Toronto Pearson Intl
25 Jan
YYZ7:15 a.m.Toronto Pearson Intl
1h 40m
LGA8:55 a.m.New York LaGuardia
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
18 Apr
LAX12:15 p.m.Los Angeles
14h 43m
2 stops
YYZ5:58 a.m.Toronto Pearson Intl
25 Apr
YYZ8:00 a.m.Toronto Pearson Intl
11h 58m
2 stops
LAX4:58 p.m.Los Angeles
C$ 312
Find similar
WestJet
16 Jan
LAX12:15 p.m.Los Angeles
14h 43m
2 stops
YYZ5:58 a.m.Toronto Pearson Intl
20 Jan
YYZ1:30 p.m.Toronto Pearson Intl
11h 33m
1 stop
LAX10:03 p.m.Los Angeles
C$ 315
Find similar
WestJet
6 Mar
LAX12:15 p.m.Los Angeles
9h 11m
1 stop
YYZ12:26 a.m.Toronto Pearson Intl
15 Mar
YYZ9:40 a.m.Toronto Pearson Intl
11h 50m
2 stops
LAX6:30 p.m.Los Angeles
C$ 316
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 21 December 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

Thu 22/1

5:55 p.m.-7:35 p.m.

Nonstop1h 40m

Toronto Pearson Intl

Sun 25/1

12:15 p.m.-11:48 p.m.

3 stops35h 33m

C$ 270

New YorkToronto

LGA - YYZ

LGAYYZ

New York LaGuardia

Fri 9/1

5:55 p.m.-7:35 p.m.

Nonstop1h 40m

Toronto Pearson Intl

Sun 11/1

7:15 a.m.-8:55 a.m.

Nonstop1h 40m

C$ 272

New YorkToronto

LGA - YYZ

LGAYYZ

New York LaGuardia

Fri 16/1

9:00 p.m.-10:40 p.m.

Nonstop1h 40m

Toronto Pearson Intl

Mon 19/1

3:15 p.m.-4:55 p.m.

Nonstop1h 40m

C$ 273

New YorkToronto

LGA - YYZ

LGAYYZ

New York LaGuardia

Thu 8/1

11:30 a.m.-1:13 p.m.

Nonstop1h 43m

Toronto Pearson Intl

Sun 11/1

12:15 p.m.-11:48 p.m.

3 stops35h 33m

C$ 275

New YorkToronto

LGA - YYZ

LGAYYZ

New York LaGuardia

Thu 22/1

9:55 a.m.-11:35 a.m.

Nonstop1h 40m

Toronto Pearson Intl

Sun 25/1

7:15 a.m.-8:55 a.m.

Nonstop1h 40m

C$ 276

New YorkMontreal

LGA - YUL

LGAYUL

New York LaGuardia

Sat 7/2

6:05 a.m.-7:32 a.m.

Nonstop1h 27m

Montreal Pierre Elliott Trudeau Intl

Sat 7/2

10:10 a.m.-2:28 p.m.

1 stop4h 18m

C$ 279

New YorkToronto

JFK - YYZ

JFKYYZ

New York John F Kennedy Intl

Mon 2/2

9:45 a.m.-11:30 a.m.

Nonstop1h 45m

Toronto Pearson Intl

Mon 9/2

2:30 p.m.-4:09 p.m.

Nonstop1h 39m

C$ 283

Los AngelesToronto

LAX - YYZ

LAXYYZ

Los Angeles

Sat 18/4

12:15 p.m.-5:58 a.m.

2 stops14h 43m

Toronto Pearson Intl

Sat 25/4

8:00 a.m.-4:58 p.m.

2 stops11h 58m

C$ 312

Los AngelesToronto

LAX - YYZ

LAXYYZ

Los Angeles

Fri 16/1

12:15 p.m.-5:58 a.m.

2 stops14h 43m

Toronto Pearson Intl

Tue 20/1

1:30 p.m.-10:03 p.m.

1 stop11h 33m

C$ 315

Washington, D.C.Toronto

IAD - YYZ

IADYYZ

Washington, D.C. Dulles Intl

Fri 9/1

8:20 a.m.-4:02 p.m.

1 stop7h 42m

Toronto Pearson Intl

Fri 9/1

7:40 p.m.-9:25 p.m.

Nonstop1h 45m

C$ 324

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$ 171. 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$ 208.

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$ 352. The most expensive day to fly to Region of Ontario is Sunday, with ticket prices averaging around C$ 490.

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$ 267. If you have a flexible travel schedule, then try to avoid flying at noon when prices are C$ 487 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$ 280 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$ 212 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?

No. A direct flight is the cheapest option for a flight between United States to Region of Ontario.

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$ 101

Fastest flight time

1h 04m

Direct flights

Every day

Airports in Region of Ontario

123 airports
The best one-way flight to Region of Ontario from United States in the past 72 hours is C$ 101. The best round-trip flight deal from United States to Region of Ontario found on momondo in the last 72 hours is C$ 97.
The fastest flight from United States to Region of Ontario takes 1h 04m
Direct flights go from United States to Region of Ontario every day.
There are 123 airports in Region of Ontario. From United States there are direct flights to Montreal Pierre Elliott Trudeau Intl (YUL), Toronto Pearson Intl (YYZ).
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
Porter AirlinesPriceFrom C$ 146Free CancellationRating
8.0
399 reviews
Search Porter Airlines flights
Flair AirlinesPriceFrom C$ 150Free CancellationRating
6.0
255 reviews
Search Flair Airlines flights
Air CanadaPriceFrom C$ 157Free CancellationRating
7.1
10,549 reviews
Search Air Canada flights
United AirlinesPriceFrom C$ 162Free CancellationRating
7.4
9,100 reviews
Search United Airlines flights
DeltaPriceFrom C$ 162Free CancellationRating
7.9
8,021 reviews
Search Delta flights
WestJetPriceFrom C$ 187Free CancellationRating
7.2
3,208 reviews
Search WestJet flights
American AirlinesPriceFrom C$ 199Free CancellationRating
7.2
11,050 reviews
Search American Airlines flights
Air TransatPriceFrom C$ 300Free CancellationRating
7.8
484 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

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.
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Find better results for your trip to Ontario

Popular Cities in Ontario

Popular flights according to clicks in the last 7 days on momondo
Flights to Torontofrom C$ 97
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Flights to Saskatoonfrom C$ 110
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Flights to St. John'sfrom C$ 315
Flights to Québec Cityfrom C$ 317