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Cheap flights from the United States to Ontario from C$ 111

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 3/3. 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
6:30 a.m. - 11:34 a.m.
EWR
-
YYZ
5h 04m
1 stop
Air Canada Logo
6:45 a.m. - 8:27 a.m.
YYZ
-
EWR
1h 42mdirect
C$ 235Air Canada
Thu, 2 Apr - Sun, 5 Apr
Air Canada Logo
6:55 a.m. - 1:40 p.m.
EWR
-
YYZ
6h 45m
1 stop
Air Canada Logo
8:45 a.m. - 10:18 a.m.
YYZ
-
EWR
1h 33mdirect
C$ 237Air Canada
Sat, 21 Mar - Sat, 28 Mar
Air Canada Logo
6:30 a.m. - 11:34 a.m.
EWR
-
YYZ
5h 04m
1 stop
Air Canada Logo
6:45 a.m. - 8:27 a.m.
YYZ
-
EWR
1h 42mdirect
C$ 238Air Canada
Thu, 2 Apr - Sun, 5 Apr
Air Canada Logo
7:35 a.m. - 11:22 a.m.
EWR
-
YYZ
3h 47m
1 stop
Air Canada Logo
8:45 a.m. - 10:25 a.m.
YYZ
-
EWR
1h 40mdirect
C$ 239Air Canada
Thu, 2 Apr - Sun, 5 Apr
Porter Airlines Logo
8:55 a.m. - 10:35 a.m.
EWR
-
YTZ
1h 40mdirect
Porter Airlines Logo
6:15 p.m. - 7:45 p.m.
YTZ
-
EWR
1h 30mdirect
C$ 261Porter Airlines
Fri, 13 Mar - Mon, 16 Mar
Porter Airlines Logo
3:45 p.m. - 8:03 p.m.
EWR
-
YTZ
4h 18m
1 stop
Porter Airlines Logo
1:30 p.m. - 3:00 p.m.
YTZ
-
EWR
1h 30mdirect
C$ 263Porter Airlines
Thu, 5 Mar - Sun, 8 Mar
Multiple Airlines Logo
6:05 a.m. - 7:48 a.m.
LGA
-
YYZ
1h 43mdirect
Multiple Airlines Logo
6:20 p.m. - 8:00 p.m.
YYZ
-
LGA
1h 40mdirect
C$ 291Multiple Airlines
Sun, 1 Mar - Sun, 8 Mar
Multiple Airlines Logo
6:05 a.m. - 7:48 a.m.
LGA
-
YYZ
1h 43mdirect
Multiple Airlines Logo
3:15 p.m. - 4:55 p.m.
YYZ
-
LGA
1h 40mdirect
C$ 293Multiple Airlines
Thu, 5 Mar - Sun, 8 Mar
WestJet Logo
11:50 a.m. - 11:55 p.m.
LAX
-
YYZ
9h 05m
1 stop
WestJet Logo
1:30 p.m. - 10:03 p.m.
YYZ
-
LAX
11h 33m
1 stop
C$ 331WestJet
Thu, 16 Apr - Mon, 20 Apr
WestJet Logo
11:50 a.m. - 11:55 p.m.
LAX
-
YYZ
9h 05m
1 stop
WestJet Logo
9:40 a.m. - 6:30 p.m.
YYZ
-
LAX
11h 50m
2 stops
C$ 332WestJet
Thu, 16 Apr - Sun, 19 Apr

WestJet flights from United States to Region of Ontario

Our best WestJet deals on United States to Region of Ontario flight tickets
WestJet
16 Apr
LAX11:50 a.m.Los Angeles
9h 05m
1 stop
YYZ11:55 p.m.Toronto Pearson Intl
20 Apr
YYZ1:30 p.m.Toronto Pearson Intl
11h 33m
1 stop
LAX10:03 p.m.Los Angeles
C$ 331
WestJet
16 Apr
LAX11:50 a.m.Los Angeles
9h 05m
1 stop
YYZ11:55 p.m.Toronto Pearson Intl
20 Apr
YYZ1:30 p.m.Toronto Pearson Intl
11h 33m
1 stop
LAX10:03 p.m.Los Angeles
C$ 332
WestJet
17 Apr
LAX11:50 a.m.Los Angeles
9h 05m
1 stop
YYZ11:55 p.m.Toronto Pearson Intl
21 Apr
YYZ9:40 a.m.Toronto Pearson Intl
11h 50m
2 stops
LAX6:30 p.m.Los Angeles
C$ 334

American Airlines flights from United States to Region of Ontario

Our best American Airlines deals on United States to Region of Ontario flight tickets
American Airlines
31 Mar
ORD2:51 p.m.Chicago O'Hare Intl
5h 46m
1 stop
YYZ9:37 p.m.Toronto Pearson Intl
4 Apr
YYZ6:00 a.m.Toronto Pearson Intl
2h 15m
ORD7:15 a.m.Chicago O'Hare Intl
C$ 335
American Airlines
16 Apr
ORD11:48 a.m.Chicago O'Hare Intl
1h 45m
YYZ2:33 p.m.Toronto Pearson Intl
19 Apr
YYZ6:06 p.m.Toronto Pearson Intl
6h 28m
1 stop
ORD11:34 p.m.Chicago O'Hare Intl
C$ 343
American Airlines
26 Feb
ORD5:00 a.m.Chicago O'Hare Intl
5h 13m
1 stop
YYZ11:13 a.m.Toronto Pearson Intl
1 Mar
YYZ6:00 a.m.Toronto Pearson Intl
2h 15m
ORD7:15 a.m.Chicago O'Hare Intl
C$ 364

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 7 February 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

NewarkToronto

EWR - YYZ

EWRYYZ

Newark

Thu 2/4

6:30 a.m.-11:34 a.m.

1 stop5h 04m

Toronto Pearson Intl

Sun 5/4

6:45 a.m.-8:27 a.m.

Nonstop1h 42m

C$ 235

NewarkToronto

EWR - YYZ

EWRYYZ

Newark

Sat 21/3

6:55 a.m.-1:40 p.m.

1 stop6h 45m

Toronto Pearson Intl

Sat 28/3

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

Nonstop1h 33m

C$ 237

NewarkToronto

EWR - YYZ

EWRYYZ

Newark

Thu 2/4

6:30 a.m.-11:34 a.m.

1 stop5h 04m

Toronto Pearson Intl

Sun 5/4

6:45 a.m.-8:27 a.m.

Nonstop1h 42m

C$ 238

NewarkToronto

EWR - YYZ

EWRYYZ

Newark

Thu 2/4

7:35 a.m.-11:22 a.m.

1 stop3h 47m

Toronto Pearson Intl

Sun 5/4

8:45 a.m.-10:25 a.m.

Nonstop1h 40m

C$ 239

NewarkToronto

EWR - YTZ

EWRYTZ

Newark

Fri 13/3

8:55 a.m.-10:35 a.m.

Nonstop1h 40m

Toronto Island

Mon 16/3

6:15 p.m.-7:45 p.m.

Nonstop1h 30m

C$ 261

NewarkToronto

EWR - YTZ

EWRYTZ

Newark

Thu 5/3

3:45 p.m.-8:03 p.m.

1 stop4h 18m

Toronto Island

Sun 8/3

1:30 p.m.-3:00 p.m.

Nonstop1h 30m

C$ 263

New YorkToronto

LGA - YYZ

LGAYYZ

New York LaGuardia

Sun 1/3

6:05 a.m.-7:48 a.m.

Nonstop1h 43m

Toronto Pearson Intl

Sun 8/3

6:20 p.m.-8:00 p.m.

Nonstop1h 40m

C$ 291

New YorkToronto

LGA - YYZ

LGAYYZ

New York LaGuardia

Thu 5/3

6:05 a.m.-7:48 a.m.

Nonstop1h 43m

Toronto Pearson Intl

Sun 8/3

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

Nonstop1h 40m

C$ 293

Los AngelesToronto

LAX - YYZ

LAXYYZ

Los Angeles

Thu 16/4

11:50 a.m.-11:55 p.m.

1 stop9h 05m

Toronto Pearson Intl

Mon 20/4

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

1 stop11h 33m

C$ 331

Los AngelesToronto

LAX - YYZ

LAXYYZ

Los Angeles

Thu 16/4

11:50 a.m.-11:55 p.m.

1 stop9h 05m

Toronto Pearson Intl

Sun 19/4

9:40 a.m.-6:30 p.m.

2 stops11h 50m

C$ 332

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$ 176. 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$ 205.

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$ 362. The most expensive day to fly to Region of Ontario is Sunday, with ticket prices averaging around C$ 492.

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$ 257. If you have a flexible travel schedule, then try to avoid flying at noon when prices are C$ 475 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$ 291 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$ 217 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$ 111

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$ 111. 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 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$ 137Free CancellationRating
7.1
10,697 reviews
Search Air Canada flights
Porter AirlinesPriceFrom C$ 145Free CancellationRating
7.9
412 reviews
Search Porter Airlines flights
Flair AirlinesPriceFrom C$ 159Free CancellationRating
6.0
264 reviews
Search Flair Airlines flights
United AirlinesPriceFrom C$ 160Free CancellationRating
7.4
9,254 reviews
Search United Airlines flights
Air TransatPriceFrom C$ 174Free CancellationRating
7.7
503 reviews
Search Air Transat flights
American AirlinesPriceFrom C$ 176Free CancellationRating
7.2
11,249 reviews
Search American Airlines flights
WestJetPriceFrom C$ 208Free CancellationRating
7.2
3,255 reviews
Search WestJet flights
DeltaPriceFrom C$ 272Free CancellationRating
7.9
8,172 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

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