What airlines fly to Region of Ontario?

Air Canada, Porter Airlines and United Airlines are the top three most popular airlines that fly to Region of Ontario from United States according to our data. Air Canada is the first choice among our users, with 47% of people opting to fly with this airline when traveling to Region of Ontario. Keep in mind that there are 13 different airlines that fly to Region of Ontario on a routine basis, so you have a few additional options to choose from.

What is the cheapest airline that flies from United States to Ontario?

United Airlines, Delta, and Porter Airlines are the most popular carriers operating from United States to Ontario

How many flights depart from United States to Region of Ontario on average per week?

As of September 2026, 1,358 flights take off from United States and land in Region of Ontario each week. The most common flight departure day for this route is Fri, with 16% of weekly flights taking off on this day.

How long is the flight from United States to Region of Ontario?

Average flight duration from United States to Region of Ontario depends on which airport you fly into and out of. Flying from New York to Toronto Pearson Intl Airport is 1h 49m on average, while flying from Boston to Toronto Pearson Intl Airport is 1h 55m on average. Toronto Pearson Intl Airport is the most popular airport in Region of Ontario.

How many flights depart from United States to Region of Ontario on average per day?

194 flights are operational daily from United States to Region of Ontario as of September 2026. The most popular departure time for this route is 4:00PM, with 43% of flights per day taking off at noon.

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

Prices for flights from United States to Ontario refresh daily.

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

There are 7 operators available for flights from United States to Ontario as of September 2026.

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 that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check 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 travel and health documents you'll need for your trip to Ontario may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Ontario. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

$89 Cheap Flights from the United States to Ontario in 2026/27

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from the United States to Ontario

Round-trip

One-way

Last minute

Direct

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

Enter your travel dates to find the best prices.

9:55 am - 11:30 amLGA New York LaGuardia-YYZ Toronto Pearson Intl

1h 35mnonstop

7:20 am - 8:55 amYYZ Toronto Pearson Intl-LGA New York LaGuardia

1h 35mnonstop

$184Porter Airlines

Fri, Oct 2 - Mon, Oct 12

9:55 am - 11:30 amLGA New York LaGuardia-YYZ Toronto Pearson Intl

1h 35mnonstop

7:20 am - 8:55 amYYZ Toronto Pearson Intl-LGA New York LaGuardia

1h 35mnonstop

$188Porter Airlines

Thu, Oct 1 - Mon, Oct 5

4:00 pm - 5:28 pmIAD Washington, D.C. Dulles Intl-YYZ Toronto Pearson Intl

1h 28mnonstop

6:40 pm - 8:10 pmYYZ Toronto Pearson Intl-IAD Washington, D.C. Dulles Intl

1h 30mnonstop

$195Air Canada

Sat, Oct 24 - Fri, Oct 30

6:55 pm - 8:26 pmDCA Washington, D.C. Reagan-National-YYZ Toronto Pearson Intl

1h 31mnonstop

7:20 am - 8:58 amYYZ Toronto Pearson Intl-DCA Washington, D.C. Reagan-National

1h 38mnonstop

$198Air Canada

Sat, Oct 24 - Mon, Oct 26

10:40 pm - 9:19 amIAD Washington, D.C. Dulles Intl-YYZ Toronto Pearson Intl

10h 39m1 stop Newark

12:45 pm - 2:22 pmYYZ Toronto Pearson Intl-IAD Washington, D.C. Dulles Intl

1h 37mnonstop

$211Lufthansa

Sat, Oct 17 - Sun, Oct 18

10:10 pm - 11:52 pmIAD Washington, D.C. Dulles Intl-YYZ Toronto Pearson Intl

1h 42mnonstop

7:44 pm - 9:26 pmYYZ Toronto Pearson Intl-IAD Washington, D.C. Dulles Intl

1h 42mnonstop

$219Lufthansa

Fri, Nov 6 - Mon, Nov 9

10:40 pm - 9:19 amIAD Washington, D.C. Dulles Intl-YYZ Toronto Pearson Intl

10h 39m1 stop Newark

12:45 pm - 2:22 pmYYZ Toronto Pearson Intl-IAD Washington, D.C. Dulles Intl

1h 37mnonstop

$220United Airlines

Tue, Oct 13 - Wed, Oct 14

6:11 am - 4:47 pmIAD Washington, D.C. Dulles Intl-YYZ Toronto Pearson Intl

10h 36m1 stop Chicago O'Hare Intl

7:44 pm - 9:26 pmYYZ Toronto Pearson Intl-IAD Washington, D.C. Dulles Intl

1h 42mnonstop

$220United Airlines

Sat, Nov 7 - Sat, Nov 7

2:40 pm - 4:33 pmDCA Washington, D.C. Reagan-National-YYZ Toronto Pearson Intl

1h 53mnonstop

12:42 pm - 2:25 pmYYZ Toronto Pearson Intl-DCA Washington, D.C. Reagan-National

1h 43mnonstop

$224American Airlines

Mon, Nov 23 - Fri, Nov 27

2:40 pm - 4:33 pmDCA Washington, D.C. Reagan-National-YYZ Toronto Pearson Intl

1h 53mnonstop

12:42 pm - 2:25 pmYYZ Toronto Pearson Intl-DCA Washington, D.C. Reagan-National

1h 43mnonstop

$234American Airlines

Mon, Nov 23 - Fri, Nov 27

Recent last minute flight deals from the United States to Ontario

Enter your travel dates to find the best prices.

8:30 pm - 10:10 pmLGA New York LaGuardia-YYZ Toronto Pearson Intl

1h 40mnonstop

2:10 pm - 3:46 pmYYZ Toronto Pearson Intl-LGA New York LaGuardia

1h 36mnonstop

$296Multiple Airlines

Fri, Sep 25 - Tue, Sep 29

9:55 am - 11:35 amLGA New York LaGuardia-YYZ Toronto Pearson Intl

1h 40mnonstop

7:20 am - 8:55 amYYZ Toronto Pearson Intl-LGA New York LaGuardia

1h 35mnonstop

$300Porter Airlines

Sat, Sep 26 - Tue, Oct 6

9:55 am - 11:35 amLGA New York LaGuardia-YYZ Toronto Pearson Intl

1h 40mnonstop

7:20 am - 8:55 amYYZ Toronto Pearson Intl-LGA New York LaGuardia

1h 35mnonstop

$301Porter Airlines

Sat, Sep 26 - Sat, Oct 3

6:00 am - 10:33 amEWR Newark-YYZ Toronto Pearson Intl

4h 33m1 stop Montreal Pierre Elliott Trudeau Intl

4:35 pm - 6:17 pmYYZ Toronto Pearson Intl-EWR Newark

1h 42mnonstop

$305Air Canada

Thu, Sep 24 - Thu, Sep 24

6:50 am - 8:21 amLGA New York LaGuardia-YYZ Toronto Pearson Intl

1h 31mnonstop

5:50 pm - 7:25 pmYYZ Toronto Pearson Intl-LGA New York LaGuardia

1h 35mnonstop

$306Multiple Airlines

Wed, Sep 23 - Fri, Sep 25

2:59 pm - 4:45 pmDCA Washington, D.C. Reagan-National-YYZ Toronto Pearson Intl

1h 46mnonstop

5:14 pm - 7:13 pmYYZ Toronto Pearson Intl-DCA Washington, D.C. Reagan-National

1h 59mnonstop

$315American Airlines

Sat, Sep 26 - Sat, Nov 14

6:50 am - 8:21 amLGA New York LaGuardia-YYZ Toronto Pearson Intl

1h 31mnonstop

1:25 pm - 2:59 pmYYZ Toronto Pearson Intl-LGA New York LaGuardia

1h 34mnonstop

$316Air Canada

Fri, Sep 25 - Wed, Oct 7

3:00 pm - 4:45 pmDCA Washington, D.C. Reagan-National-YYZ Toronto Pearson Intl

1h 45mnonstop

5:29 pm - 7:17 pmYYZ Toronto Pearson Intl-DCA Washington, D.C. Reagan-National

1h 48mnonstop

$321American Airlines

Fri, Sep 25 - Wed, Oct 14

3:35 pm - 5:35 pmJFK New York John F Kennedy Intl-YYZ Toronto Pearson Intl

2h 00mnonstop

6:28 pm - 8:34 pmYYZ Toronto Pearson Intl-JFK New York John F Kennedy Intl

2h 06mnonstop

$343Delta

Sat, Sep 26 - Tue, Oct 6

6:20 am - 1:40 pmDCA Washington, D.C. Reagan-National-YYZ Toronto Pearson Intl

7h 20m1 stop New York LaGuardia

6:25 pm - 10:59 pmYYZ Toronto Pearson Intl-DCA Washington, D.C. Reagan-National

4h 34m1 stop New York John F Kennedy Intl

$345Delta

Thu, Sep 24 - Wed, Sep 30

Recent direct flight deals from the United States to Ontario

Enter your travel dates to find the best prices.

9:55 am - 11:30 amLGA New York LaGuardia-YYZ Toronto Pearson Intl

1h 35mnonstop

7:20 am - 8:55 amYYZ Toronto Pearson Intl-LGA New York LaGuardia

1h 35mnonstop

$184Porter Airlines

Fri, Oct 2 - Mon, Oct 12

9:55 am - 11:30 amLGA New York LaGuardia-YYZ Toronto Pearson Intl

1h 35mnonstop

7:20 am - 8:55 amYYZ Toronto Pearson Intl-LGA New York LaGuardia

1h 35mnonstop

$188Porter Airlines

Thu, Oct 1 - Mon, Oct 5

4:00 pm - 5:28 pmIAD Washington, D.C. Dulles Intl-YYZ Toronto Pearson Intl

1h 28mnonstop

6:40 pm - 8:10 pmYYZ Toronto Pearson Intl-IAD Washington, D.C. Dulles Intl

1h 30mnonstop

$195Air Canada

Sat, Oct 24 - Fri, Oct 30

6:55 pm - 8:26 pmDCA Washington, D.C. Reagan-National-YYZ Toronto Pearson Intl

1h 31mnonstop

7:20 am - 8:58 amYYZ Toronto Pearson Intl-DCA Washington, D.C. Reagan-National

1h 38mnonstop

$198Air Canada

Sat, Oct 24 - Mon, Oct 26

10:10 pm - 11:52 pmIAD Washington, D.C. Dulles Intl-YYZ Toronto Pearson Intl

1h 42mnonstop

7:44 pm - 9:26 pmYYZ Toronto Pearson Intl-IAD Washington, D.C. Dulles Intl

1h 42mnonstop

$219Lufthansa

Fri, Nov 6 - Mon, Nov 9

5:17 pm - 7:02 pmIAD Washington, D.C. Dulles Intl-YYZ Toronto Pearson Intl

1h 45mnonstop

12:45 pm - 2:22 pmYYZ Toronto Pearson Intl-IAD Washington, D.C. Dulles Intl

1h 37mnonstop

$220Lufthansa

Sat, Oct 17 - Fri, Oct 23

2:40 pm - 4:33 pmDCA Washington, D.C. Reagan-National-YYZ Toronto Pearson Intl

1h 53mnonstop

12:42 pm - 2:25 pmYYZ Toronto Pearson Intl-DCA Washington, D.C. Reagan-National

1h 43mnonstop

$224American Airlines

Mon, Nov 23 - Fri, Nov 27

12:39 pm - 2:25 pmIAD Washington, D.C. Dulles Intl-YYZ Toronto Pearson Intl

1h 46mnonstop

10:00 am - 11:45 amYYZ Toronto Pearson Intl-IAD Washington, D.C. Dulles Intl

1h 45mnonstop

$234United Airlines

Fri, Nov 27 - Thu, Dec 10

10:10 pm - 11:52 pmIAD Washington, D.C. Dulles Intl-YYZ Toronto Pearson Intl

1h 42mnonstop

2:45 pm - 4:24 pmYYZ Toronto Pearson Intl-IAD Washington, D.C. Dulles Intl

1h 39mnonstop

$234United Airlines

Fri, Nov 27 - Tue, Dec 8

10:15 am - 11:59 amDCA Washington, D.C. Reagan-National-YYZ Toronto Pearson Intl

1h 44mnonstop

5:29 pm - 7:17 pmYYZ Toronto Pearson Intl-DCA Washington, D.C. Reagan-National

1h 48mnonstop

$234American Airlines

Sat, Oct 3 - Tue, Oct 6

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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

Oct 2

LGA9:55 amNew York LaGuardia

1h 35m

YYZ11:30 amToronto Pearson Intl

Oct 12

YYZ7:20 amToronto Pearson Intl

1h 35m

LGA8:55 amNew York LaGuardia

$184

Porter Airlines

Oct 1

LGA9:55 amNew York LaGuardia

1h 35m

YYZ11:30 amToronto Pearson Intl

Oct 5

YYZ7:20 amToronto Pearson Intl

1h 35m

LGA8:55 amNew York LaGuardia

$188

Porter Airlines

Oct 16

LGA9:55 amNew York LaGuardia

1h 35m

YYZ11:30 amToronto Pearson Intl

Oct 20

YYZ7:20 amToronto Pearson Intl

1h 35m

LGA8:55 amNew York LaGuardia

$223

Lufthansa flights from United States to Region of Ontario

Our best Lufthansa deals on United States to Region of Ontario flight tickets

Lufthansa

Oct 17

IAD10:40 pmWashington, D.C. Dulles Intl

10h 39m

1 stop

YYZ9:19 amToronto Pearson Intl

Oct 18

YYZ12:45 pmToronto Pearson Intl

1h 37m

IAD2:22 pmWashington, D.C. Dulles Intl

$211

Lufthansa

Nov 6

IAD10:10 pmWashington, D.C. Dulles Intl

1h 42m

YYZ11:52 pmToronto Pearson Intl

Nov 9

YYZ7:44 pmToronto Pearson Intl

1h 42m

IAD9:26 pmWashington, D.C. Dulles Intl

$219

Lufthansa

Oct 17

IAD1:10 pmWashington, D.C. Dulles Intl

7h 34m

1 stop

YYZ8:44 pmToronto Pearson Intl

Oct 23

YYZ12:45 pmToronto Pearson Intl

1h 37m

IAD2:22 pmWashington, D.C. Dulles Intl

$231

momondo Fare Finder

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 New York LaGuardia - YYZ Toronto Pearson Intl

LGAYYZ

New York LaGuardia

Fri 10/2

9:55 am-11:30 am

Nonstop1h 35m

Toronto Pearson Intl

Mon 10/12

7:20 am-8:55 am

Nonstop1h 35m

$184

New YorkToronto

LGA New York LaGuardia - YYZ Toronto Pearson Intl

LGAYYZ

New York LaGuardia

Thu 10/1

9:55 am-11:30 am

Nonstop1h 35m

Toronto Pearson Intl

Mon 10/5

7:20 am-8:55 am

Nonstop1h 35m

$188

Quickest round-trip

Washington, D.C.Toronto

IAD Washington, D.C. Dulles Intl - YYZ Toronto Pearson Intl

IADYYZ

Washington, D.C. Dulles Intl

Sat 10/24

4:00 pm-5:28 pm

Nonstop1h 28m

Toronto Pearson Intl

Fri 10/30

6:40 pm-8:10 pm

Nonstop1h 30m

$195

Washington, D.C.Toronto

DCA Washington, D.C. Reagan-National - YYZ Toronto Pearson Intl

DCAYYZ

Washington, D.C. Reagan-National

Sat 10/24

6:55 pm-8:26 pm

Nonstop1h 31m

Toronto Pearson Intl

Mon 10/26

7:20 am-8:58 am

Nonstop1h 38m

$198

Washington, D.C.Toronto

IAD Washington, D.C. Dulles Intl - YYZ Toronto Pearson Intl

IADYYZ

Washington, D.C. Dulles Intl

Sat 10/17

10:40 pm-9:19 am

1 stop10h 39m

Toronto Pearson Intl

Sun 10/18

12:45 pm-2:22 pm

Nonstop1h 37m

$211

Washington, D.C.Toronto

IAD Washington, D.C. Dulles Intl - YYZ Toronto Pearson Intl

IADYYZ

Washington, D.C. Dulles Intl

Fri 11/6

10:10 pm-11:52 pm

Nonstop1h 42m

Toronto Pearson Intl

Mon 11/9

7:44 pm-9:26 pm

Nonstop1h 42m

$219

Washington, D.C.Toronto

IAD Washington, D.C. Dulles Intl - YYZ Toronto Pearson Intl

IADYYZ

Washington, D.C. Dulles Intl

Tue 10/13

10:40 pm-9:19 am

1 stop10h 39m

Toronto Pearson Intl

Wed 10/14

12:45 pm-2:22 pm

Nonstop1h 37m

$220

Washington, D.C.Toronto

IAD Washington, D.C. Dulles Intl - YYZ Toronto Pearson Intl

IADYYZ

Washington, D.C. Dulles Intl

Sat 11/7

6:11 am-4:47 pm

1 stop10h 36m

Toronto Pearson Intl

Sat 11/7

7:44 pm-9:26 pm

Nonstop1h 42m

$220

Washington, D.C.Toronto

DCA Washington, D.C. Reagan-National - YYZ Toronto Pearson Intl

DCAYYZ

Washington, D.C. Reagan-National

Mon 11/23

2:40 pm-4:33 pm

Nonstop1h 53m

Toronto Pearson Intl

Fri 11/27

12:42 pm-2:25 pm

Nonstop1h 43m

$224

Washington, D.C.Toronto

DCA Washington, D.C. Reagan-National - YYZ Toronto Pearson Intl

DCAYYZ

Washington, D.C. Reagan-National

Mon 11/23

2:40 pm-4:33 pm

Nonstop1h 53m

Toronto Pearson Intl

Fri 11/27

12:42 pm-2:25 pm

Nonstop1h 43m

$234

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first

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

Prices

Airlines

Other information

What is the cheapest month to fly to Region of Ontario?

The month of January is, on average, the cheapest month to fly to Region of Ontario from United States, with most prices found around $336. If you aren’t able to travel during the month of January, then book flights to Region of Ontario from United States during February instead. Flights to Region of Ontario in February, while not as cheap as those in January, still average around $355.

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

According to our data, Tuesday is the cheapest day to fly to Region of Ontario from United States. The lowest ticket price found for a Tuesday departure recently was $539. Keep in mind that prices can always vary depending on your route and whether or not you are flying domestic or international. Flights from United States to Region of Ontario on a Sunday will generally be more expensive and average around $713. Keep in mind that these prices on both days could fluctuate depending on the season and the demand.

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

According to our data, the cheapest time of day to fly to Region of Ontario is at noon. momondo users have found flights departing from United States to Region of Ontario at noon for as low as $472. Keep in mind that these prices may fluctuate based on what airline you choose and the time of year you plan to travel. Flights in the morning are often more expensive with an average ticket price of $656.

What is the cheapest United States to Ontario flight route?

Fly from Las Vegas Harry Reid Intl 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 $334 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 $250 on momondo.

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

There are 4 cabin classes available to choose from on United States to Region of 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	$89
Fastest flight time	1h 07m
Direct flights	Every day
Airports in Region of Ontario	125 airports

The best one-way flight to Region of Ontario from United States in the past 72 hours is $89. The best round-trip flight deal from United States to Region of Ontario found on momondo in the last 72 hours is $184.

The fastest flight from United States to Region of Ontario takes 1h 07m

Direct flights go from United States to Region of Ontario every day.

There are 125 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

Frequently asked questions about flying from the United States to Ontario

When did momondo last update prices for flights from United States to Ontario?
Prices for flights from United States to Ontario refresh daily.
How many operators does momondo search for flights from United States to Ontario?
There are 7 operators available for flights from United States to Ontario as of September 2026.
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 that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check 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 travel and health documents you'll need for your trip to Ontario may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Ontario. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.
What is the most popular plane model from United States to Region of Ontario?
momondo data reveals that the most frequently booked plane model on the route from United States to Region of Ontario is Embraer 195 E2, representing 29.32% of all bookings. The subsequent popular models are De Havilland (Bombardier) DHC-8-400 Dash 8Q at 23.51%, Airbus A320-100/200 at 8.51%, and Embraer 175 at 7.11%.

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 Airlines	PriceFrom $67	Free Cancellation	Rating 6.0 275 reviews	Search Flair Airlines flights
Air Canada	PriceFrom $89	Free Cancellation	Rating 7.1 11,655 reviews	Search Air Canada flights
Air Transat	PriceFrom $102	Free Cancellation	Rating 7.7 579 reviews	Search Air Transat flights
United Airlines	PriceFrom $111	Free Cancellation	Rating 7.4 10,226 reviews	Search United Airlines flights
WestJet	PriceFrom $116	Free Cancellation	Rating 7.2 3,447 reviews	Search WestJet flights
Porter Airlines	PriceFrom $118	Free Cancellation	Rating 8.0 462 reviews	Search Porter Airlines flights
Delta	PriceFrom $121	Free Cancellation	Rating 7.8 8,592 reviews	Search Delta flights
American Airlines	PriceFrom $194	Free Cancellation	Rating 7.0 12,075 reviews	Search American Airlines flights
Qatar Airways	PriceFrom $293	Free Cancellation	Rating 7.3 3,731 reviews	Search Qatar Airways flights

Why use momondo?

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

Finding the right flight to Ontario from United States is quick and easy when you have a range of options in front of you, from reputable agents and recognisable airlines. Options that can then be filtered down to find the best fit. That is what momondo does. We make finding flights to Ontario quick and easy, saving you time and money.

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

momondo does allow users to show only those flights to Ontario from United States which offer a flexible booking policy as well as other useful filters and features.

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

momondo offers useful filters to help you find the right flight. Choose specific flight times, airports or even what payment method you prefer. We have numerous options to help you book your ideal flight from United States to Ontario.

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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Complete your trip

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Popular cities in Ontario

Flights to Torontofrom $165

Flights to Vancouverfrom $156

Flights to Montrealfrom $247

Flights to Calgaryfrom $153

Flights to Ottawafrom $217

Flights to Halifaxfrom $275

Flights to Winnipegfrom $271

Flights to Québec Cityfrom $331

Flights to Kelownafrom $205

Flights to St. John'sfrom $380

Flights to Saskatoonfrom $263

Flights to Reginafrom $327

Cheap flights from the United States to Ontario from $89

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 10/5. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.

Find the cheapest flights from the United States to Ontario

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Recent one-way flight deals from the United States to Ontario

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Porter Airlines flights from United States to Region of Ontario

Our best Porter Airlines deals on United States to Region of Ontario flight tickets

Lufthansa flights from United States to Region of Ontario

Our best Lufthansa deals on United States to Region of Ontario flight tickets

momondo Fare Finder

Use the filters below to find and compare flights from the United States to Ontario that are best for you.

See travel insights to Ontario from

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

What is the cheapest month to fly to Region of Ontario?

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

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

What is the cheapest United States to Ontario flight route?

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

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

Can stopping save me money on United States to Region of Ontario flights?

What is the cheapest airline that flies from United States to Ontario?

What airlines fly to Region of Ontario?

How many flights depart from United States to Region of Ontario on average per day?

How many flights depart from United States to Region of Ontario on average per week?

How long is the flight from United States to Region of Ontario?

Cheap United States to Region of Ontario flight deals and tips

Best Price Found

Fastest flight time

Direct flights

Airports in Region of Ontario

Frequently asked questions about flying from the United States to 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

Why use momondo?

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.

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.

Find better results for your trip to Ontario

Popular cities in Ontario

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

United States flight routes

According to popular flight searches on momondo this year

Region of Ontario flight routes

According to popular flight searches on momondo this year

Fly your favorite airline to Ontario

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