What are the cheapest airlines to fly from Region of Ontario to USA one-way?

The cheapest airline one-way is Flair Airlines, with whom users have recently found tickets for as low as C$ 130. However, be on the lookout for offers from Porter Airlines and WestJet, as they are both options that can get you from Region of Ontario to USA for a low price.

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

To save on the cost of your flight from Region of Ontario to USA, book at least 40 days before your planned departure. Booking around this time can save you about 20% on the cost of this flight compared to booking a flight leaving this week. We have found prices from C$ 341 if you need a flight within two weeks. For flights within the next 72 hours, you can find tickets from as low as C$ 419.

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

Our data shows that January tends to be the cheapest month to fly to USA from Region of Ontario. Users have commonly found prices around C$ 357 for the month, but tickets can be as low as C$ 176. Due to multiple factors, prepare for potentially higher prices in March.

Can I find deals for flights from Ontario to USA that include hotel bookings?

Yes. In addition to deals on Ontario to USA flights, Cheapflights offers vacation packages that include both flights and hotel.

How can I find direct flights from Ontario to USA?

After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Ontario to USA.

Can I find deals for business class flights from Ontario to USA?

Yes. Cheapflights offers flight deals from Ontario to USA by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

C$ 217+ Flights from Ontario to the United States

Cheap flight deals from Ontario to USA

Round-trip from	C$ 193
One-way from	C$ 130

Porter Airlines
18/2-25/2
Nonstop
6h 42m total
Ontario to USA

Search Deals

Flair Airlines
25/1
Nonstop
3h 00m total
Ontario to USA

Search Deals

Find flight deals from Ontario to USA

Cheapest flights from Ontario to USA
Explore the most affordable flight options available from Ontario to USA. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 21 January 2025.

Thu 6/27:05 a.m.YYZ - FLL

Nonstop3h 25mFlair Airlines

Wed 12/28:45 p.m.FLL - YYZ

Nonstop3h 10mFlair Airlines

Deal found 20/1C$ 193

Tue 25/22:00 p.m.YYZ - FLL

1 stop5h 59mPorter Airlines

Tue 11/38:55 p.m.FLL - YYZ

Nonstop3h 17mPorter Airlines

Deal found 20/1C$ 197

Mon 24/22:00 p.m.YYZ - FLL

1 stop5h 59mMultiple Airlines

Thu 3/47:20 p.m.FLL - YYZ

Nonstop3h 15mMultiple Airlines

Deal found 19/1C$ 200

Mon 3/23:55 p.m.YUL - FLL

Nonstop3h 50mFlair Airlines

Wed 12/211:30 a.m.FLL - YUL

Nonstop3h 25mFlair Airlines

Deal found 20/1C$ 203

Tue 18/26:45 a.m.YUL - FLL

1 stop6h 35mPorter Airlines

Tue 25/22:10 p.m.FLL - YUL

Nonstop3h 25mPorter Airlines

Deal found 20/1C$ 206

Tue 25/27:40 a.m.YYZ - FLL

Nonstop3h 26mWestJet

Mon 3/39:25 p.m.FLL - YYZ

Nonstop3h 19mWestJet

Deal found 20/1C$ 210

Sat 25/16:35 p.m.YUL - FLL

Nonstop3h 45mMultiple Airlines

Thu 30/111:30 a.m.FLL - YUL

Nonstop3h 25mMultiple Airlines

Deal found 20/1C$ 210

Tue 15/47:00 p.m.YYZ - MCO

Nonstop3h 05mPorter Airlines

Tue 22/48:45 p.m.MCO - YYZ

Nonstop2h 59mPorter Airlines

Deal found 20/1C$ 222

Wed 5/211:25 a.m.YYZ - LAS

Nonstop5h 03mPorter Airlines

Fri 7/210:35 p.m.LAS - YYZ

Nonstop4h 20mPorter Airlines

Deal found 20/1C$ 226

Sat 25/18:15 p.m.YYZ - MCO

Nonstop3h 00mFlair Airlines

Sun 26/110:55 a.m.MCO - YYZ

Nonstop3h 00mFlair Airlines

Deal found 20/1C$ 227

Sun 9/28:00 p.m.YYZ - LAS

Nonstop5h 13mWestJet

Wed 12/212:45 p.m.LAS - YYZ

1 stop8h 55mWestJet

Deal found 20/1C$ 227

Mon 3/27:10 a.m.YYZ - MCO

Nonstop3h 00mMultiple Airlines

Tue 1/48:45 p.m.MCO - YYZ

Nonstop2h 59mMultiple Airlines

Deal found 20/1C$ 229

Best flights from Ontario to USA
Discover carefully curated flight deals from Ontario to USA that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated 21 January 2025.

Tue 18/212:25 p.m.YYZ - FLL

Nonstop3h 25mPorter Airlines

Tue 25/28:55 p.m.FLL - YYZ

Nonstop3h 17mPorter Airlines

Deal found 20/1C$ 193

Mon 3/23:50 p.m.YYZ - FLL

1 stop6h 30mMultiple Airlines

Wed 12/28:45 p.m.FLL - YYZ

Nonstop3h 10mMultiple Airlines

Deal found 20/1C$ 196

Mon 3/23:55 p.m.YUL - FLL

Nonstop3h 50mFlair Airlines

Wed 12/211:30 a.m.FLL - YUL

Nonstop3h 25mFlair Airlines

Deal found 20/1C$ 203

Tue 25/27:40 a.m.YYZ - FLL

Nonstop3h 26mWestJet

Mon 3/39:25 p.m.FLL - YYZ

Nonstop3h 19mWestJet

Deal found 20/1C$ 210

Mon 3/24:30 p.m.YUL - FLL

1 stop6h 56mAir Canada

Tue 11/29:15 p.m.FLL - YUL

Nonstop3h 23mAir Canada

Deal found 20/1C$ 223

Sat 1/21:15 p.m.YUL - FLL

1 stop8h 06mUnited Airlines

Tue 11/28:50 a.m.FLL - YUL

1 stop9h 00mUnited Airlines

Deal found 20/1C$ 249

Thu 13/27:45 a.m.YTZ - EWR

Nonstop1h 30mAir Transat

Sun 16/210:00 a.m.EWR - YTZ

Nonstop1h 40mAir Transat

Deal found 20/1C$ 268

Tue 11/26:05 p.m.YYZ - JFK

Nonstop1h 58mDelta

Fri 21/29:00 p.m.JFK - YYZ

Nonstop1h 52mDelta

Deal found 21/1C$ 304

Tue 4/27:00 a.m.YYZ - LGA

Nonstop1h 50mAmerican Airlines

Mon 10/28:31 a.m.LGA - YYZ

Nonstop1h 40mAmerican Airlines

Deal found 20/1C$ 305

Thu 6/21:20 p.m.YYZ - LGA

Nonstop1h 34mLufthansa

Sun 9/26:00 a.m.LGA - YYZ

Nonstop1h 44mLufthansa

Deal found 20/1C$ 321

Thu 6/26:05 p.m.YYZ - JFK

Nonstop1h 58mKLM

Sun 9/29:26 a.m.JFK - YYZ

Nonstop1h 49mKLM

Deal found 20/1C$ 325

Sat 8/22:55 p.m.YYZ - FLL

Nonstop3h 25mFlair Airlines

Sat 15/28:55 p.m.FLL - YYZ

Nonstop3h 10mFlair Airlines

Deal found 20/1C$ 207

Direct flights from Ontario to USA
Explore direct flight options from Ontario to USA based on user searches, and compare prices and availability for your desired travel dates. Data last updated 21 January 2025.

Thu 6/27:05 a.m.YYZ - FLL

Nonstop3h 25mFlair Airlines

Wed 12/28:45 p.m.FLL - YYZ

Nonstop3h 10mFlair Airlines

Deal found 20/1C$ 193

Mon 3/212:25 p.m.YYZ - FLL

Nonstop3h 25mPorter Airlines

Mon 3/38:55 p.m.FLL - YYZ

Nonstop3h 17mPorter Airlines

Deal found 19/1C$ 203

Mon 3/23:55 p.m.YUL - FLL

Nonstop3h 50mFlair Airlines

Wed 12/211:30 a.m.FLL - YUL

Nonstop3h 25mFlair Airlines

Deal found 20/1C$ 203

Mon 24/211:15 a.m.YYZ - FLL

Nonstop3h 26mWestJet

Mon 3/39:25 p.m.FLL - YYZ

Nonstop3h 19mWestJet

Deal found 20/1C$ 206

Mon 17/26:35 p.m.YUL - FLL

Nonstop3h 45mPorter Airlines

Thu 20/22:10 p.m.FLL - YUL

Nonstop3h 25mPorter Airlines

Deal found 20/1C$ 210

Mon 10/23:55 p.m.YUL - FLL

Nonstop3h 50mMultiple Airlines

Thu 20/22:10 p.m.FLL - YUL

Nonstop3h 25mMultiple Airlines

Deal found 19/1C$ 212

Sat 15/37:05 a.m.YYZ - FLL

Nonstop3h 25mMultiple Airlines

Fri 28/38:55 p.m.FLL - YYZ

Nonstop3h 17mMultiple Airlines

Deal found 20/1C$ 215

Tue 15/47:00 p.m.YYZ - MCO

Nonstop3h 05mPorter Airlines

Tue 22/48:45 p.m.MCO - YYZ

Nonstop2h 59mPorter Airlines

Deal found 20/1C$ 222

Mon 27/17:10 a.m.YYZ - MCO

Nonstop3h 00mFlair Airlines

Fri 31/110:55 a.m.MCO - YYZ

Nonstop3h 00mFlair Airlines

Deal found 19/1C$ 225

Wed 5/211:25 a.m.YYZ - LAS

Nonstop5h 03mPorter Airlines

Fri 7/210:35 p.m.LAS - YYZ

Nonstop4h 20mPorter Airlines

Deal found 20/1C$ 226

Mon 3/27:10 a.m.YYZ - MCO

Nonstop3h 00mMultiple Airlines

Tue 1/48:45 p.m.MCO - YYZ

Nonstop2h 59mMultiple Airlines

Deal found 20/1C$ 229

Mon 27/18:00 p.m.YYZ - LAS

Nonstop5h 09mWestJet

Fri 31/111:25 p.m.LAS - YYZ

Nonstop4h 21mWestJet

Deal found 20/1C$ 230

Last-minute flights from Ontario to USA
Discover last-minute flight deals from Ontario to USA. Data last updated 21 January 2025 and is based on user searches.

Sat 25/16:35 p.m.YUL - FLL

Nonstop3h 45mMultiple Airlines

Sat 1/211:30 a.m.FLL - YUL

Nonstop3h 25mMultiple Airlines

Deal found 19/1C$ 210

Sat 25/110:00 a.m.YUL - FLL

2 stops9h 59mPorter Airlines

Thu 30/12:10 p.m.FLL - YUL

Nonstop3h 25mPorter Airlines

Deal found 19/1C$ 216

Sat 25/16:35 p.m.YUL - FLL

Nonstop3h 45mMultiple Airlines

Thu 30/111:30 a.m.FLL - YUL

Nonstop3h 25mMultiple Airlines

Deal found 20/1C$ 210

Sun 26/17:05 a.m.YYZ - FLL

Nonstop3h 25mMultiple Airlines

Wed 12/38:55 p.m.FLL - YYZ

Nonstop3h 17mMultiple Airlines

Deal found 20/1C$ 226

Sun 26/12:00 p.m.YYZ - LAS

1 stop9h 40mPorter Airlines

Tue 18/28:50 a.m.LAS - YYZ

2 stops17h 55mPorter Airlines

Deal found 19/1C$ 233

Mon 27/17:05 a.m.YYZ - FLL

Nonstop3h 25mFlair Airlines

Wed 12/28:45 p.m.FLL - YYZ

Nonstop3h 10mFlair Airlines

Deal found 20/1C$ 199

Mon 27/13:50 p.m.YYZ - FLL

1 stop6h 30mPorter Airlines

Wed 12/28:55 p.m.FLL - YYZ

Nonstop3h 17mPorter Airlines

Deal found 20/1C$ 204

Mon 27/13:55 p.m.YUL - FLL

Nonstop3h 50mFlair Airlines

Thu 30/111:30 a.m.FLL - YUL

Nonstop3h 25mFlair Airlines

Deal found 20/1C$ 209

Mon 27/17:10 a.m.YYZ - MCO

Nonstop3h 00mFlair Airlines

Tue 11/310:55 a.m.MCO - YYZ

Nonstop3h 00mFlair Airlines

Deal found 19/1C$ 223

Mon 27/14:30 p.m.YUL - FLL

1 stop6h 36mAir Canada

Thu 13/29:15 p.m.FLL - YUL

Nonstop3h 23mAir Canada

Deal found 20/1C$ 223

Mon 27/18:00 p.m.YYZ - LAS

Nonstop5h 09mWestJet

Fri 31/111:25 p.m.LAS - YYZ

Nonstop4h 21mWestJet

Deal found 20/1C$ 230

Mon 27/17:00 p.m.YYZ - MCO

Nonstop3h 05mPorter Airlines

Tue 4/28:45 p.m.MCO - YYZ

Nonstop2h 59mPorter Airlines

Deal found 20/1C$ 232

One-way flights from Ontario to USA
Search for one-way flight options from Ontario to USA. Find affordable one-way fares based on user searches. Data last updated 21 January 2025.

Sat 25/18:15 p.m.YYZ - MCO

Nonstop3h 00mFlair Airlines

Deal found 20/1C$ 130

Mon 24/27:00 p.m.YYZ - MCO

Nonstop3h 05mPorter Airlines

Deal found 20/1C$ 131

Sat 22/33:50 p.m.YYZ - FLL

1 stop6h 30mPorter Airlines

Deal found 20/1C$ 137

Mon 27/16:45 a.m.YUL - FLL

1 stop6h 35mPorter Airlines

Deal found 20/1C$ 138

Sun 23/22:55 p.m.YYZ - FLL

Nonstop3h 25mFlair Airlines

Deal found 19/1C$ 141

Thu 30/13:55 p.m.YUL - FLL

Nonstop3h 50mFlair Airlines

Deal found 19/1C$ 144

Mon 24/31:30 p.m.YYZ - LAS

1 stop9h 46mWestJet

Deal found 21/1C$ 150

Wed 12/36:45 a.m.YUL - FLL

1 stop7h 56mWestJet

Deal found 20/1C$ 153

Wed 5/32:40 p.m.YYZ - LAS

Nonstop5h 05mPorter Airlines

Deal found 20/1C$ 153

Tue 11/24:25 p.m.YUL - FLL

Nonstop3h 45mAir Transat

Deal found 20/1C$ 157

Wed 12/37:25 p.m.YYZ - LAS

Nonstop5h 05mAir Transat

Deal found 20/1C$ 160

Tue 25/38:20 a.m.YYZ - MCO

Nonstop3h 00mAir Canada

Deal found 19/1C$ 161

Find flights from Ontario to USA within your budget

Fly from

Fly to

Route

Depart

Return

Price

TorontoFort Lauderdale

YYZ - FLL

YYZFLL

Toronto Pearson Intl

Tue 18/2

12:25 p.m.-3:50 p.m.

Nonstop3h 25m

Fort Lauderdale

Tue 25/2

8:55 p.m.-12:12 a.m.

Nonstop3h 17m

C$ 193

TorontoFort Lauderdale

YYZ - FLL

YYZFLL

Toronto Pearson Intl

Sun 2/2

2:55 p.m.-6:20 p.m.

Nonstop3h 25m

Fort Lauderdale

Wed 12/2

8:45 p.m.-11:55 p.m.

Nonstop3h 10m

C$ 194

TorontoFort Lauderdale

YYZ - FLL

YYZFLL

Toronto Pearson Intl

Mon 3/2

3:50 p.m.-10:20 p.m.

1 stop6h 30m

Fort Lauderdale

Wed 12/2

8:45 p.m.-11:55 p.m.

Nonstop3h 10m

C$ 196

MontrealFort Lauderdale

YUL - FLL

YULFLL

Montreal Pierre Elliott Trudeau Intl

Mon 3/2

3:55 p.m.-7:45 p.m.

Nonstop3h 50m

Fort Lauderdale

Wed 12/2

11:30 a.m.-2:55 p.m.

Nonstop3h 25m

C$ 203

MontrealFort Lauderdale

YUL - FLL

YULFLL

Montreal Pierre Elliott Trudeau Intl

Sun 2/2

11:45 a.m.-7:59 p.m.

2 stops8h 14m

Fort Lauderdale

Thu 6/2

2:10 p.m.-5:35 p.m.

Nonstop3h 25m

C$ 207

MontrealFort Lauderdale

YUL - FLL

YULFLL

Montreal Pierre Elliott Trudeau Intl

Mon 10/2

3:55 p.m.-7:45 p.m.

Nonstop3h 50m

Fort Lauderdale

Thu 20/2

2:10 p.m.-5:35 p.m.

Nonstop3h 25m

C$ 212

TorontoOrlando

YYZ - MCO

YYZMCO

Toronto Pearson Intl

Tue 15/4

7:00 p.m.-10:05 p.m.

Nonstop3h 05m

Orlando

Tue 22/4

8:45 p.m.-11:44 p.m.

Nonstop2h 59m

C$ 222

TorontoLas Vegas

YYZ - LAS

YYZLAS

Toronto Pearson Intl

Wed 5/2

11:25 a.m.-1:28 p.m.

Nonstop5h 03m

Las Vegas Harry Reid Intl

Mon 10/2

10:35 p.m.-5:55 a.m.

Nonstop4h 20m

C$ 226

TorontoOrlando

YYZ - MCO

YYZMCO

Toronto Pearson Intl

Thu 30/1

7:10 a.m.-10:10 a.m.

Nonstop3h 00m

Orlando

Wed 5/3

8:45 a.m.-11:45 a.m.

Nonstop3h 00m

C$ 227

TorontoOrlando

YYZ - MCO

YYZMCO

Toronto Pearson Intl

Mon 3/2

7:10 a.m.-10:10 a.m.

Nonstop3h 00m

Orlando

Tue 1/4

8:45 p.m.-11:44 p.m.

Nonstop2h 59m

C$ 229

Flights are sorted by cheapest round-trip flights first.

Deals found on 20/1

Showing 1-10 of 60 results

...

Best time to book a flight from Ontario to USA

Have a flexible travel schedule? Discover the best time to fly to USA from Ontario with our price prediction graph.

Estimated round-trip price

Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Travel insights for flights from Ontario to USA

Get recent, data-driven insights about flights from Ontario to USA including ideal travel times, pricing trends, and more.

What is the cheapest month to book a flight from Region of Ontario to USA?

Currently, September is the cheapest month in which you can book a flight from Region of Ontario to USA (average of C$ 234). Flying from Region of Ontario to USA in July is currently the most expensive (average of C$ 314). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

What is the cheapest time of day to fly from ON to US?

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Region of Ontario to USA as you normally would.

Weekly flight availability from Region of Ontario to USA

The most flights from CAON to US0 are scheduled on a Sunday (23 on average). You will have fewer flight options on Tuesday, which is when the least amount of flights are scheduled (11 on average).

Rainfall in USA by month

In terms of precipitation, rainfall in USA ranges from 61.0 - 221.0 mm per month. June is typically the wettest month, when rainfall can reach 221.0 mm. November is typically the driest time to visit USA when rainfall is around 61.0 mm.

Temperature in USA by month

If weather is an important factor for your trip to USA, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 29.0 C. Travellers hoping to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 16.0 C).

Reviews of airlines servicing USA

Read reviews from past customers who have flown Delta, American Airlines and Porter Airlines from Ontario to USA. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.

ANA

8.4

Very good

852 reviews

Check prices

Reviews

1 / 10

Your hospitality was excellent, very polite and kind. The meal was tasty and good. The buns were cold. Who likes cold buns?

ANA

8.4

Very good

852 reviews

ANA

8.4

Very good

852 reviews

Check prices

Reviews

1 / 10

Your hospitality was excellent, very polite and kind. The meal was tasty and good. The buns were cold. Who likes cold buns?

Delta

8.0

Very good

8,521 reviews

ANA

8.4

Very good

852 reviews

Check prices

Reviews

1 / 10

Your hospitality was excellent, very polite and kind. The meal was tasty and good. The buns were cold. Who likes cold buns?

Alaska Airlines

8.0

Very good

9,706 reviews

ANA

8.4

Very good

852 reviews

Check prices

Reviews

1 / 10

Your hospitality was excellent, very polite and kind. The meal was tasty and good. The buns were cold. Who likes cold buns?

Porter Airlines

7.9

Good

277 reviews

ANA

8.4

Very good

852 reviews

Check prices

Reviews

1 / 10

Your hospitality was excellent, very polite and kind. The meal was tasty and good. The buns were cold. Who likes cold buns?

KLM

7.8

Good

1,341 reviews

ANA

8.4

Very good

852 reviews

Check prices

Reviews

1 / 10

Your hospitality was excellent, very polite and kind. The meal was tasty and good. The buns were cold. Who likes cold buns?

Related info for your journey

What are the cheapest airlines to fly from Region of Ontario to USA one-way?
The cheapest airline one-way is Flair Airlines, with whom users have recently found tickets for as low as C$ 130. However, be on the lookout for offers from Porter Airlines and WestJet, as they are both options that can get you from Region of Ontario to USA for a low price.
Can I find deals for flights from Ontario to USA that include hotel bookings?
Yes. In addition to deals on Ontario to USA flights, Cheapflights offers vacation packages that include both flights and hotel.
How can I find direct flights from Ontario to USA?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Ontario to USA.
Can I find deals for business class flights from Ontario to USA?
Yes. Cheapflights offers flight deals from Ontario to USA by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.
What is the cheapest month to book a flight from Region of Ontario to USA?
Currently, September is the cheapest month in which you can book a flight from Region of Ontario to USA (average of C$ 234). Flying from Region of Ontario to USA in July is currently the most expensive (average of C$ 314). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Browse thousands of different options on Cheapflights for your next trip

Top 10 airlines flying from Ontario to USA

Airline	Cheapest	Average	Flexibility	On-time
Frontier	CheapestC$ 119	AverageC$ 262	FlexibilityNo cancel fee	On-time62%	Search Frontier flights
Flair Airlines	CheapestC$ 136	AverageC$ 296	FlexibilityNo cancel fee	On-timeN/A	Search Flair Airlines flights
Air Canada	CheapestC$ 156	AverageC$ 631	FlexibilityNo cancel fee	On-time67%	Search Air Canada flights
Lynx Air	CheapestC$ 159	AverageC$ 315	FlexibilityNo cancel fee	On-timeN/A	Search Lynx Air flights
Porter Airlines	CheapestC$ 185	AverageC$ 474	FlexibilityNo cancel fee	On-time52%	Search Porter Airlines flights
Delta	CheapestC$ 186	AverageC$ 535	FlexibilityNo cancel fee	On-timeN/A	Search Delta flights
Canada Jetlines	CheapestC$ 214	AverageC$ 393	FlexibilityNo cancel fee	On-time58%	Search Canada Jetlines flights
United Airlines	CheapestC$ 216	AverageC$ 637	FlexibilityNo cancel fee	On-time69%	Search United Airlines flights
Air Transat	CheapestC$ 217	AverageC$ 476	FlexibilityNo cancel fee	On-time50%	Search Air Transat flights
WestJet	CheapestC$ 219	AverageC$ 537	FlexibilityNo cancel fee	On-time60%	Search WestJet flights

Fly with Cheapflights

How does Cheapflights help users find flights from Ontario to USA?

900+ travel sites are searched through when a user searches for a flight using Cheapflights. From the search interface, users can use filters to choose airlines, airports, flight times, cabin classes and more to their preference. Book your flight to USA from Ontario today with Cheapflights!

Why should you use Cheapflights to find cheap flight tickets from Ontario to USA?

Cheapflights simply makes it quick and affordable to book flights from Ontario to USA by bringing together all flight options from hundreds of airlines and agencies online — and put it in one place for you to choose from. Plus, Cheapflights is 100% free to use for all.

Can Cheapflights find flights from Ontario to USA with no change fees?

Yes! Cheapflights helps users easily find flights from Ontario to USA with no change fees.

Can Cheapflights notify me if prices for flights from Ontario to USA become cheaper?

Not ready to book yet? You can track prices for flights from Ontario to USA on Cheapflights with our Price Alert feature and get notified when better prices are available.

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Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.

Cheap flights from Ontario to the United States from C$ 130

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 25/1. Fares are subject to change and may not be available on all flights or dates of travel.

Cheap flight deals from Ontario to USA

Round-trip from

One-way from

Find flight deals from Ontario to USA

Cheapest flights from Ontario to USAExplore the most affordable flight options available from Ontario to USA. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 21 January 2025.

Explore the most affordable flight options available from Ontario to USA. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 21 January 2025.

Find flights from Ontario to USA within your budget

Best time to book a flight from Ontario to USA

Have a flexible travel schedule? Discover the best time to fly to USA from Ontario with our price prediction graph.

Travel insights for flights from Ontario to USA

Get recent, data-driven insights about flights from Ontario to USA including ideal travel times, pricing trends, and more.

What is the cheapest month to book a flight from Region of Ontario to USA?

What is the cheapest time of day to fly from ON to US?

Find hourly flight availability from Ontario to USA. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 21 January 2025.

Weekly flight availability from Region of Ontario to USA

Explore weekly flight availability from Ontario to USA. Discover flights operating on different days of the week, giving you the flexibility to choose a travel day that best fits your plans. Compare info to find the most convenient option for your journey. Data last updated 21 January 2025.

Rainfall in USA by month

Plan your trip to USA by taking into account the average rainfall totals by month.

Temperature in USA by month

Plan your trip to USA by taking into account the average temperature totals by month.

Reviews of airlines servicing USA

Get insights into the airlines that provide service to USA. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to USA. Reviews last updated 21 January 2025.

Read reviews from past customers who have flown Delta, American Airlines and Porter Airlines from Ontario to USA. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.

Related info for your journey

Find useful and relevant information for your journey from Ontario to USA. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

What are the cheapest airlines to fly from Region of Ontario to USA one-way?

Can I find deals for flights from Ontario to USA that include hotel bookings?

How can I find direct flights from Ontario to USA?

Can I find deals for business class flights from Ontario to USA?

What is the cheapest month to book a flight from Region of Ontario to USA?

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Alternative routes for Ontario to USA

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Top 10 airlines flying from Ontario to USA

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Cheapest flights from Ontario to USA
Explore the most affordable flight options available from Ontario to USA. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 21 January 2025.