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Cheap flights from the United States to Ontario from C$ 122

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 26/6. 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.
Porter Airlines Logo
9:55 a.m. - 11:35 a.m.
LGA
-
YYZ
1h 40mdirect
Porter Airlines Logo
7:20 a.m. - 8:55 a.m.
YYZ
-
LGA
1h 35mdirect
C$ 243Porter Airlines
Fri, 10 Apr - Sun, 12 Apr
Porter Airlines Logo
5:55 p.m. - 7:35 p.m.
LGA
-
YYZ
1h 40mdirect
Porter Airlines Logo
5:50 p.m. - 7:25 p.m.
YYZ
-
LGA
1h 35mdirect
C$ 249Porter Airlines
Sat, 11 Apr - Wed, 15 Apr
Porter Airlines Logo
9:55 a.m. - 11:35 a.m.
LGA
-
YYZ
1h 40mdirect
Porter Airlines Logo
7:20 a.m. - 8:55 a.m.
YYZ
-
LGA
1h 35mdirect
C$ 250Porter Airlines
Fri, 10 Apr - Mon, 13 Apr
Porter Airlines Logo
8:00 a.m. - 12:10 p.m.
EWR
-
YUL
4h 10m
1 stop
Porter Airlines Logo
3:10 p.m. - 4:50 p.m.
YUL
-
EWR
1h 40mdirect
C$ 264Porter Airlines
Sun, 19 Jul - Sun, 19 Jul
Air Canada Logo
7:55 p.m. - 9:34 p.m.
EWR
-
YYZ
1h 39mdirect
Air Canada Logo
8:55 p.m. - 10:30 p.m.
YYZ
-
EWR
1h 35mdirect
C$ 267Air Canada
Fri, 10 Apr - Mon, 13 Apr
Multiple Airlines Logo
2:45 p.m. - 4:25 p.m.
EWR
-
YTZ
1h 40mdirect
Multiple Airlines Logo
7:45 a.m. - 9:15 a.m.
YTZ
-
EWR
1h 30mdirect
C$ 270Multiple Airlines
Sat, 4 Apr - Tue, 7 Apr
Multiple Airlines Logo
3:45 p.m. - 8:10 p.m.
EWR
-
YYZ
4h 25m
1 stop
Multiple Airlines Logo
9:00 a.m. - 2:59 p.m.
YYZ
-
EWR
5h 59m
1 stop
C$ 283Multiple Airlines
Sat, 4 Apr - Fri, 10 Apr
Air Canada Logo
6:55 p.m. - 8:34 p.m.
EWR
-
YYZ
1h 39mdirect
Air Canada Logo
9:00 a.m. - 2:59 p.m.
YYZ
-
EWR
5h 59m
1 stop
C$ 290Air Canada
Sat, 4 Apr - Fri, 10 Apr
American Airlines Logo
7:29 p.m. - 9:34 p.m.
JFK
-
YYZ
2h 05mdirect
American Airlines Logo
7:15 a.m. - 8:59 a.m.
YYZ
-
JFK
1h 44mdirect
C$ 294American Airlines
Fri, 10 Apr - Mon, 13 Apr
American Airlines Logo
7:59 a.m. - 4:42 p.m.
JFK
-
YYZ
8h 43m
1 stop
American Airlines Logo
7:00 a.m. - 9:00 a.m.
YYZ
-
JFK
2h 00mdirect
C$ 307American Airlines
Sat, 4 Apr - Mon, 6 Apr

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
10 Apr
EWR7:55 p.m.Newark
1h 39m
YYZ9:34 p.m.Toronto Pearson Intl
13 Apr
YYZ8:55 p.m.Toronto Pearson Intl
1h 35m
EWR10:30 p.m.Newark
C$ 267
Air Canada
4 Apr
EWR6:55 p.m.Newark
1h 39m
YYZ8:34 p.m.Toronto Pearson Intl
10 Apr
YYZ9:00 a.m.Toronto Pearson Intl
5h 59m
1 stop
EWR2:59 p.m.Newark
C$ 290
Air Canada
4 Apr
EWR2:30 p.m.Newark
1h 35m
YYZ4:05 p.m.Toronto Pearson Intl
10 Apr
YYZ8:00 a.m.Toronto Pearson Intl
6h 59m
1 stop
EWR2:59 p.m.Newark
C$ 292

Delta flights from United States to Region of Ontario

Our best Delta deals on United States to Region of Ontario flight tickets
Delta
17 Apr
JFK3:32 p.m.New York John F Kennedy Intl
2h 07m
YYZ5:39 p.m.Toronto Pearson Intl
20 Apr
YYZ6:29 p.m.Toronto Pearson Intl
2h 01m
JFK8:30 p.m.New York John F Kennedy Intl
C$ 336
Delta
13 Apr
JFK3:32 p.m.New York John F Kennedy Intl
2h 07m
YYZ5:39 p.m.Toronto Pearson Intl
17 Apr
YYZ6:29 p.m.Toronto Pearson Intl
2h 01m
JFK8:30 p.m.New York John F Kennedy Intl
C$ 341
Delta
4 Apr
JFK3:28 p.m.New York John F Kennedy Intl
1h 56m
YYZ5:24 p.m.Toronto Pearson Intl
5 Apr
YYZ6:00 a.m.Toronto Pearson Intl
2h 08m
JFK8:08 a.m.New York John F Kennedy Intl
C$ 347

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 25 March 2026.
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

New YorkToronto

LGA - YYZ

LGAYYZ

New York LaGuardia

Fri 10/4

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

Nonstop1h 40m

Toronto Pearson Intl

Sun 12/4

7:20 a.m.-8:55 a.m.

Nonstop1h 35m

C$ 243

New YorkToronto

LGA - YYZ

LGAYYZ

New York LaGuardia

Sat 11/4

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

Nonstop1h 40m

Toronto Pearson Intl

Wed 15/4

5:50 p.m.-7:25 p.m.

Nonstop1h 35m

C$ 249

New YorkToronto

LGA - YYZ

LGAYYZ

New York LaGuardia

Fri 10/4

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

Nonstop1h 40m

Toronto Pearson Intl

Mon 13/4

7:20 a.m.-8:55 a.m.

Nonstop1h 35m

C$ 250

NewarkMontreal

EWR - YUL

EWRYUL

Newark

Sun 19/7

8:00 a.m.-12:10 p.m.

1 stop4h 10m

Montreal Pierre Elliott Trudeau Intl

Sun 19/7

3:10 p.m.-4:50 p.m.

Nonstop1h 40m

C$ 264

NewarkToronto

EWR - YYZ

EWRYYZ

Newark

Fri 10/4

7:55 p.m.-9:34 p.m.

Nonstop1h 39m

Toronto Pearson Intl

Mon 13/4

8:55 p.m.-10:30 p.m.

Nonstop1h 35m

C$ 267
Quickest round-trip

NewarkToronto

EWR - YTZ

EWRYTZ

Newark

Sat 4/4

2:45 p.m.-4:25 p.m.

Nonstop1h 40m

Toronto Island

Tue 7/4

7:45 a.m.-9:15 a.m.

Nonstop1h 30m

C$ 270

NewarkToronto

EWR - YYZ

EWRYYZ

Newark

Sat 4/4

3:45 p.m.-8:10 p.m.

1 stop4h 25m

Toronto Pearson Intl

Fri 10/4

9:00 a.m.-2:59 p.m.

1 stop5h 59m

C$ 283

NewarkToronto

EWR - YYZ

EWRYYZ

Newark

Sat 4/4

6:55 p.m.-8:34 p.m.

Nonstop1h 39m

Toronto Pearson Intl

Fri 10/4

9:00 a.m.-2:59 p.m.

1 stop5h 59m

C$ 290

New YorkToronto

JFK - YYZ

JFKYYZ

New York John F Kennedy Intl

Fri 10/4

7:29 p.m.-9:34 p.m.

Nonstop2h 05m

Toronto Pearson Intl

Mon 13/4

7:15 a.m.-8:59 a.m.

Nonstop1h 44m

C$ 294

New YorkToronto

JFK - YYZ

JFKYYZ

New York John F Kennedy Intl

Sat 4/4

7:59 a.m.-4:42 p.m.

1 stop8h 43m

Toronto Pearson Intl

Mon 6/4

7:00 a.m.-9:00 a.m.

Nonstop2h 00m

C$ 307

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, April 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$ 226. If you are unable to visit Region of Ontario during the month of April, then departing from United States during the month February is also very affordable. Most momondo users find prices during this month for around C$ 263.

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$ 366. The most expensive day to fly to Region of Ontario is Sunday, with ticket prices averaging around C$ 515.

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$ 236. If you have a flexible travel schedule, then try to avoid flying in the morning when prices are C$ 527 on average. Flights to Region of Ontario from United States in the morning 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$ 312 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$ 228 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 15% 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$ 106

Fastest flight time

1h 05m

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$ 106. The best round-trip flight deal from United States to Region of Ontario found on momondo in the last 72 hours is C$ 108.
The fastest flight from United States to Region of Ontario takes 1h 05m
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
Air CanadaPriceFrom C$ 138Free CancellationRating
7.1
10,838 reviews
Search Air Canada flights
WestJetPriceFrom C$ 140Free CancellationRating
7.2
3,301 reviews
Search WestJet flights
Porter AirlinesPriceFrom C$ 145Free CancellationRating
8.0
428 reviews
Search Porter Airlines flights
Flair AirlinesPriceFrom C$ 160Free CancellationRating
6.0
266 reviews
Search Flair Airlines flights
Air TransatPriceFrom C$ 175Free CancellationRating
7.7
523 reviews
Search Air Transat flights
American AirlinesPriceFrom C$ 177Free CancellationRating
7.1
11,493 reviews
Search American Airlines flights
United AirlinesPriceFrom C$ 203Free CancellationRating
7.4
9,477 reviews
Search United Airlines flights
DeltaPriceFrom C$ 274Free CancellationRating
7.9
8,326 reviews
Search Delta 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

Popular Cities in Ontario

Popular flights according to clicks in the last 7 days on momondo
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Flights to Vancouverfrom C$ 80