Which airlines fly to Region of Ontario?

Porter Airlines, Air Canada and WestJet are the top three most popular airlines that fly to Region of Ontario from United States according to our data. Porter Airlines is the first choice among our users, with 46% of people opting to fly with this airline when travelling to Region of Ontario. Keep in mind that there are 9 different airlines that fly to Region of Ontario on a routine basis, so you have a few additional options to choose from.

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

1,232 flights are operational weekly from United States to Region of Ontario as of August 2026. The most popular departure day for this route is Fri, with 17% of flights per week taking off on this day.

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

The flight from United States to Region of Ontario depends on which airports you’re departing from and arriving to, and whether or not you have a layover. If you fly from Boston (a popular airport in United States) to Toronto Pearson Intl Airport (the most popular airport in Region of Ontario), then the flight time is 1h 50m on average. If you fly from New York (another popular airport in United States) to Toronto Pearson Intl Airport, then the average flight time is 1h 55m.

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

Delta, United Airlines, 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 day?

The number of flights available between United States and Region of Ontario is 176 per day as of August 2026. The most frequent departure time is 11:00a.m., with 44% of daily flights leaving at noon.

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?

As of August 2026, there are 7 operators available to choose from 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.

C$ 136 Cheap Flights from the United States to Ontario in 2026

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.

12:55 p.m. - 5:07 p.m.DCA Washington, D.C. Reagan-National-YYZ Toronto Pearson Intl

4h 12m1 stop Ottawa

6:25 p.m. - 7:59 p.m.YYZ Toronto Pearson Intl-DCA Washington, D.C. Reagan-National

1h 34mdirect

C$ 281Air Canada

Sat, 12 Sep - Fri, 25 Sep

6:59 a.m. - 8:35 a.m.DCA Washington, D.C. Reagan-National-YYZ Toronto Pearson Intl

1h 36mdirect

5:30 p.m. - 9:50 p.m.YYZ Toronto Pearson Intl-DCA Washington, D.C. Reagan-National

4h 20m1 stop Montreal Pierre Elliott Trudeau Intl

C$ 282Air Canada

Fri, 18 Sep - Fri, 25 Sep

5:55 p.m. - 7:35 p.m.LGA New York LaGuardia-YYZ Toronto Pearson Intl

1h 40mdirect

5:50 p.m. - 7:25 p.m.YYZ Toronto Pearson Intl-LGA New York LaGuardia

1h 35mdirect

C$ 287Porter Airlines

Sat, 12 Sep - Wed, 16 Sep

8:30 p.m. - 10:10 p.m.LGA New York LaGuardia-YYZ Toronto Pearson Intl

1h 40mdirect

3:20 p.m. - 4:55 p.m.YYZ Toronto Pearson Intl-LGA New York LaGuardia

1h 35mdirect

C$ 287Porter Airlines

Tue, 15 Sep - Sat, 19 Sep

6:00 a.m. - 7:32 a.m.EWR Newark-YUL Montreal Pierre Elliott Trudeau Intl

1h 32mdirect

3:15 p.m. - 4:55 p.m.YUL Montreal Pierre Elliott Trudeau Intl-EWR Newark

1h 40mdirect

C$ 287Multiple Airlines

Thu, 10 Sep - Sun, 13 Sep

6:00 a.m. - 7:32 a.m.EWR Newark-YUL Montreal Pierre Elliott Trudeau Intl

1h 32mdirect

3:15 p.m. - 4:55 p.m.YUL Montreal Pierre Elliott Trudeau Intl-EWR Newark

1h 40mdirect

C$ 288Multiple Airlines

Thu, 10 Sep - Sun, 13 Sep

8:30 p.m. - 10:10 p.m.LGA New York LaGuardia-YYZ Toronto Pearson Intl

1h 40mdirect

3:20 p.m. - 4:55 p.m.YYZ Toronto Pearson Intl-LGA New York LaGuardia

1h 35mdirect

C$ 305Air Transat

Thu, 15 Oct - Tue, 20 Oct

9:55 a.m. - 11:35 a.m.LGA New York LaGuardia-YYZ Toronto Pearson Intl

1h 40mdirect

3:20 p.m. - 4:55 p.m.YYZ Toronto Pearson Intl-LGA New York LaGuardia

1h 35mdirect

C$ 310Air Transat

Sun, 20 Sep - Sat, 26 Sep

2:40 p.m. - 4:33 p.m.DCA Washington, D.C. Reagan-National-YYZ Toronto Pearson Intl

1h 53mdirect

12:42 p.m. - 2:25 p.m.YYZ Toronto Pearson Intl-DCA Washington, D.C. Reagan-National

1h 43mdirect

C$ 324American Airlines

Mon, 23 Nov - Fri, 27 Nov

11:27 a.m. - 1:09 p.m.EWR Newark-YUL Montreal Pierre Elliott Trudeau Intl

1h 42mdirect

4:55 p.m. - 8:14 a.m.YUL Montreal Pierre Elliott Trudeau Intl-EWR Newark

15h 19m1 stop Chicago O'Hare Intl

C$ 327United Airlines

Mon, 31 Aug - Mon, 31 Aug

Recent last minute flight deals from the United States to Ontario

Enter your travel dates to find the best prices.

6:30 a.m. - 8:11 a.m.EWR Newark-YYZ Toronto Pearson Intl

1h 41mdirect

8:55 p.m. - 10:35 p.m.YYZ Toronto Pearson Intl-EWR Newark

1h 40mdirect

C$ 336Air Canada

Thu, 13 Aug - Thu, 20 Aug

8:30 p.m. - 10:10 p.m.LGA New York LaGuardia-YYZ Toronto Pearson Intl

1h 40mdirect

5:50 p.m. - 7:25 p.m.YYZ Toronto Pearson Intl-LGA New York LaGuardia

1h 35mdirect

C$ 337Porter Airlines

Tue, 11 Aug - Tue, 18 Aug

2:35 p.m. - 6:58 p.m.EWR Newark-YTZ Toronto Island

4h 23m1 stop Ottawa

11:55 a.m. - 3:45 p.m.YTZ Toronto Island-EWR Newark

3h 50m1 stop Ottawa

C$ 337Porter Airlines

Tue, 11 Aug - Tue, 18 Aug

6:00 a.m. - 12:35 p.m.EWR Newark-YYZ Toronto Pearson Intl

6h 35m1 stop Montreal Pierre Elliott Trudeau Intl

8:55 p.m. - 10:35 p.m.YYZ Toronto Pearson Intl-EWR Newark

1h 40mdirect

C$ 338Air Canada

Thu, 13 Aug - Thu, 20 Aug

9:55 a.m. - 11:35 a.m.LGA New York LaGuardia-YYZ Toronto Pearson Intl

1h 40mdirect

6:00 a.m. - 7:35 a.m.YYZ Toronto Pearson Intl-LGA New York LaGuardia

1h 35mdirect

C$ 443Multiple Airlines

Tue, 11 Aug - Tue, 18 Aug

8:30 p.m. - 10:10 p.m.LGA New York LaGuardia-YYZ Toronto Pearson Intl

1h 40mdirect

6:00 a.m. - 7:35 a.m.YYZ Toronto Pearson Intl-LGA New York LaGuardia

1h 35mdirect

C$ 470Multiple Airlines

Thu, 13 Aug - Thu, 20 Aug

4:07 p.m. - 6:09 p.m.LGA New York LaGuardia-YYZ Toronto Pearson Intl

2h 02mdirect

6:00 a.m. - 7:38 a.m.YYZ Toronto Pearson Intl-LGA New York LaGuardia

1h 38mdirect

C$ 487Delta

Wed, 12 Aug - Tue, 25 Aug

9:05 p.m. - 11:18 p.m.JFK New York John F Kennedy Intl-YYZ Toronto Pearson Intl

2h 13mdirect

6:00 a.m. - 7:53 a.m.YYZ Toronto Pearson Intl-JFK New York John F Kennedy Intl

1h 53mdirect

C$ 487Delta

Wed, 12 Aug - Tue, 25 Aug

9:18 p.m. - 11:00 p.m.LGA New York LaGuardia-YYZ Toronto Pearson Intl

1h 42mdirect

7:29 a.m. - 9:06 a.m.YYZ Toronto Pearson Intl-LGA New York LaGuardia

1h 37mdirect

C$ 491American Airlines

Wed, 12 Aug - Tue, 25 Aug

10:44 a.m. - 4:45 p.m.LGA New York LaGuardia-YYZ Toronto Pearson Intl

6h 01m1 stop Washington, D.C. Reagan-National

7:29 a.m. - 9:06 a.m.YYZ Toronto Pearson Intl-LGA New York LaGuardia

1h 37mdirect

C$ 500American Airlines

Wed, 12 Aug - Tue, 25 Aug

Recent direct flight deals from the United States to Ontario

Enter your travel dates to find the best prices.

6:59 a.m. - 8:35 a.m.DCA Washington, D.C. Reagan-National-YYZ Toronto Pearson Intl

1h 36mdirect

8:55 p.m. - 10:34 p.m.YYZ Toronto Pearson Intl-DCA Washington, D.C. Reagan-National

1h 39mdirect

C$ 282Air Canada

Thu, 17 Sep - Thu, 24 Sep

5:55 p.m. - 7:35 p.m.LGA New York LaGuardia-YYZ Toronto Pearson Intl

1h 40mdirect

5:50 p.m. - 7:25 p.m.YYZ Toronto Pearson Intl-LGA New York LaGuardia

1h 35mdirect

C$ 287Porter Airlines

Sat, 12 Sep - Wed, 16 Sep

8:30 p.m. - 10:10 p.m.LGA New York LaGuardia-YYZ Toronto Pearson Intl

1h 40mdirect

3:20 p.m. - 4:55 p.m.YYZ Toronto Pearson Intl-LGA New York LaGuardia

1h 35mdirect

C$ 287Porter Airlines

Tue, 15 Sep - Sat, 19 Sep

6:00 a.m. - 7:32 a.m.EWR Newark-YUL Montreal Pierre Elliott Trudeau Intl

1h 32mdirect

3:15 p.m. - 4:55 p.m.YUL Montreal Pierre Elliott Trudeau Intl-EWR Newark

1h 40mdirect

C$ 287Multiple Airlines

Thu, 10 Sep - Sun, 13 Sep

6:00 a.m. - 7:32 a.m.EWR Newark-YUL Montreal Pierre Elliott Trudeau Intl

1h 32mdirect

7:55 a.m. - 9:30 a.m.YUL Montreal Pierre Elliott Trudeau Intl-EWR Newark

1h 35mdirect

C$ 288Air Canada

Thu, 10 Sep - Sun, 13 Sep

6:00 a.m. - 7:32 a.m.EWR Newark-YUL Montreal Pierre Elliott Trudeau Intl

1h 32mdirect

3:15 p.m. - 4:55 p.m.YUL Montreal Pierre Elliott Trudeau Intl-EWR Newark

1h 40mdirect

C$ 288Multiple Airlines

Thu, 10 Sep - Sun, 13 Sep

8:30 p.m. - 10:10 p.m.LGA New York LaGuardia-YYZ Toronto Pearson Intl

1h 40mdirect

3:20 p.m. - 4:55 p.m.YYZ Toronto Pearson Intl-LGA New York LaGuardia

1h 35mdirect

C$ 305Air Transat

Thu, 15 Oct - Tue, 20 Oct

9:55 a.m. - 11:35 a.m.LGA New York LaGuardia-YYZ Toronto Pearson Intl

1h 40mdirect

3:20 p.m. - 4:55 p.m.YYZ Toronto Pearson Intl-LGA New York LaGuardia

1h 35mdirect

C$ 310Air Transat

Sun, 20 Sep - Sat, 26 Sep

2:40 p.m. - 4:33 p.m.DCA Washington, D.C. Reagan-National-YYZ Toronto Pearson Intl

1h 53mdirect

12:42 p.m. - 2:25 p.m.YYZ Toronto Pearson Intl-DCA Washington, D.C. Reagan-National

1h 43mdirect

C$ 324American Airlines

Mon, 23 Nov - Fri, 27 Nov

2:59 p.m. - 4:45 p.m.DCA Washington, D.C. Reagan-National-YYZ Toronto Pearson Intl

1h 46mdirect

5:27 p.m. - 7:15 p.m.YYZ Toronto Pearson Intl-DCA Washington, D.C. Reagan-National

1h 48mdirect

C$ 324American Airlines

Sat, 19 Sep - Wed, 23 Sep

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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

12 Sep

DCA12:55 p.m.Washington, D.C. Reagan-National

4h 12m

1 stop

YYZ5:07 p.m.Toronto Pearson Intl

25 Sep

YYZ6:25 p.m.Toronto Pearson Intl

1h 34m

DCA7:59 p.m.Washington, D.C. Reagan-National

C$ 281

Air Canada

17 Sep

DCA6:59 a.m.Washington, D.C. Reagan-National

1h 36m

YYZ8:35 a.m.Toronto Pearson Intl

24 Sep

YYZ8:55 p.m.Toronto Pearson Intl

1h 39m

DCA10:34 p.m.Washington, D.C. Reagan-National

C$ 282

Air Canada

12 Sep

DCA12:55 p.m.Washington, D.C. Reagan-National

4h 12m

1 stop

YYZ5:07 p.m.Toronto Pearson Intl

25 Sep

YYZ7:20 a.m.Toronto Pearson Intl

1h 35m

DCA8:55 a.m.Washington, D.C. Reagan-National

C$ 284

Delta flights from United States to Region of Ontario

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

Delta

18 Aug

DCA5:00 p.m.Washington, D.C. Reagan-National

6h 18m

1 stop

YYZ11:18 p.m.Toronto Pearson Intl

26 Aug

YYZ7:55 a.m.Toronto Pearson Intl

4h 47m

1 stop

DCA12:42 p.m.Washington, D.C. Reagan-National

C$ 359

Delta

18 Aug

DCA9:39 a.m.Washington, D.C. Reagan-National

7h 45m

1 stop

YYZ5:24 p.m.Toronto Pearson Intl

22 Aug

YYZ9:45 a.m.Toronto Pearson Intl

7h 42m

1 stop

DCA5:27 p.m.Washington, D.C. Reagan-National

C$ 377

Delta

22 Aug

JFK9:29 a.m.New York John F Kennedy Intl

1h 56m

YYZ11:25 a.m.Toronto Pearson Intl

29 Aug

YYZ6:00 a.m.Toronto Pearson Intl

1h 53m

JFK7:53 a.m.New York John F Kennedy Intl

C$ 393

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

Washington, D.C.Toronto

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

DCAYYZ

Washington, D.C. Reagan-National

Sat 12/9

12:55 p.m.-5:07 p.m.

1 stop4h 12m

Toronto Pearson Intl

Fri 25/9

6:25 p.m.-7:59 p.m.

Nonstop1h 34m

C$ 281

Washington, D.C.Toronto

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

DCAYYZ

Washington, D.C. Reagan-National

Fri 18/9

6:59 a.m.-8:35 a.m.

Nonstop1h 36m

Toronto Pearson Intl

Fri 25/9

5:30 p.m.-9:50 p.m.

1 stop4h 20m

C$ 282

New YorkToronto

LGA New York LaGuardia - YYZ Toronto Pearson Intl

LGAYYZ

New York LaGuardia

Sat 12/9

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

Nonstop1h 40m

Toronto Pearson Intl

Wed 16/9

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

Nonstop1h 35m

C$ 287

New YorkToronto

LGA New York LaGuardia - YYZ Toronto Pearson Intl

LGAYYZ

New York LaGuardia

Tue 15/9

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

Nonstop1h 40m

Toronto Pearson Intl

Sat 19/9

3:20 p.m.-4:55 p.m.

Nonstop1h 35m

C$ 287

Quickest round-trip

NewarkMontreal

EWR Newark - YUL Montreal Pierre Elliott Trudeau Intl

EWRYUL

Newark

Thu 10/9

6:00 a.m.-7:32 a.m.

Nonstop1h 32m

Montreal Pierre Elliott Trudeau Intl

Sun 13/9

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

Nonstop1h 40m

C$ 287

NewarkMontreal

EWR Newark - YUL Montreal Pierre Elliott Trudeau Intl

EWRYUL

Newark

Thu 10/9

6:00 a.m.-7:32 a.m.

Nonstop1h 32m

Montreal Pierre Elliott Trudeau Intl

Sun 13/9

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

Nonstop1h 40m

C$ 288

New YorkToronto

LGA New York LaGuardia - YYZ Toronto Pearson Intl

LGAYYZ

New York LaGuardia

Thu 15/10

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

Nonstop1h 40m

Toronto Pearson Intl

Tue 20/10

3:20 p.m.-4:55 p.m.

Nonstop1h 35m

C$ 305

New YorkToronto

LGA New York LaGuardia - YYZ Toronto Pearson Intl

LGAYYZ

New York LaGuardia

Sun 20/9

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

Nonstop1h 40m

Toronto Pearson Intl

Sat 26/9

3:20 p.m.-4:55 p.m.

Nonstop1h 35m

C$ 310

Washington, D.C.Toronto

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

DCAYYZ

Washington, D.C. Reagan-National

Mon 23/11

2:40 p.m.-4:33 p.m.

Nonstop1h 53m

Toronto Pearson Intl

Fri 27/11

12:42 p.m.-2:25 p.m.

Nonstop1h 43m

C$ 324

NewarkMontreal

EWR Newark - YUL Montreal Pierre Elliott Trudeau Intl

EWRYUL

Newark

Mon 31/8

11:27 a.m.-1:09 p.m.

Nonstop1h 42m

Montreal Pierre Elliott Trudeau Intl

Mon 31/8

4:55 p.m.-8:14 a.m.

1 stop15h 19m

C$ 327

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?

In general, January 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$ 464. If you are unable to visit Region of Ontario during the month of January, then departing from United States during the month February is also very affordable. Most momondo users find prices during this month for around C$ 494.

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 Saturday. Travellers who choose to depart for Region of Ontario on a Saturday will often find tickets for as low as C$ 524. The most expensive day to fly to Region of Ontario is Monday, with ticket prices averaging around C$ 622.

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$ 320. If you have a flexible travel schedule, then try to avoid flying in the morning when prices are C$ 671 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 Boston Logan Intl to Toronto Pearson Intl for the best United States - Ontario flight prices

How far in advance should I book a flight from the United States to 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$ 343 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$ 261 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	C$ 135
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 C$ 135. The best round-trip flight deal from United States to Region of Ontario found on momondo in the last 72 hours is C$ 116.

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 are updated daily.
How many operators does momondo search for flights from United States to Ontario?
As of August 2026, there are 7 operators available to choose from 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?
Based on momondo bookings for flights between United States and Region of Ontario, the leading plane model is Embraer 195 E2, making up 28.31% of the total bookings. Other popular models include De Havilland (Bombardier) DHC-8-400 Dash 8Q with 23.86%, Airbus A320-100/200 with 9.44%, and Embraer 175 with 6.92%.

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
WestJet	PriceFrom C$ 143	Free Cancellation	Rating 7.2 3,426 reviews	Search WestJet flights
Air Transat	PriceFrom C$ 148	Free Cancellation	Rating 7.8 572 reviews	Search Air Transat flights
Porter Airlines	PriceFrom C$ 162	Free Cancellation	Rating 8.0 450 reviews	Search Porter Airlines flights
Flair Airlines	PriceFrom C$ 173	Free Cancellation	Rating 6.0 275 reviews	Search Flair Airlines flights
Delta	PriceFrom C$ 177	Free Cancellation	Rating 7.8 8,505 reviews	Search Delta flights
Air Canada	PriceFrom C$ 180	Free Cancellation	Rating 7.1 11,450 reviews	Search Air Canada flights
United Airlines	PriceFrom C$ 228	Free Cancellation	Rating 7.4 10,084 reviews	Search United Airlines flights
American Airlines	PriceFrom C$ 314	Free Cancellation	Rating 7.1 11,885 reviews	Search American Airlines 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.

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Popular Cities in Ontario

Flights to Torontofrom C$ 120

Flights to Vancouverfrom C$ 117

Flights to Montrealfrom C$ 243

Flights to Calgaryfrom C$ 123

Flights to Halifaxfrom C$ 162

Flights to Winnipegfrom C$ 133

Flights to Ottawafrom C$ 197

Flights to Kelownafrom C$ 134

Flights to Saskatoonfrom C$ 192

Flights to St. John'sfrom C$ 252

Flights to Reginafrom C$ 200

Flights to Vancouverfrom C$ 99

Cheap flights from the United States to Ontario from C$ 136

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 16/9. 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

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

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

Recent last minute flight deals from the United States to Ontario

Recent direct flight deals from the United States to Ontario

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Big names, great deals

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Air Canada flights from United States to Region of Ontario

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

Delta flights from United States to Region of Ontario

Our best Delta 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 from the United States to 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?

Which 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

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Popular Cities in Ontario

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United States flight routes

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Region of Ontario flight routes

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