Find flights
Deals
When to book
Airlines
FAQs

Cheap flights from New York LaGuardia Airport, NY to Ontario from C$ 110

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 2/9. Fares are subject to change and may not be available on all flights or dates of travel.
LGA — YYZ
3 Aug — 10 Aug1
1 adult

Cheap flight deals from LaGuardia to Ontario

Keep the following information in mind while searching for LaGuardia to Ontario flight deals. Data was last updated 29 July 2025.

Round-trip from

C$ 265

One-way from

C$ 110

Popular in

November

Cheapest in

May

Average price

C$ 375

Good round-trip deal

C$ 228 or less

Good one-way deal

C$ 184 or less
Porter Airlines
  • Porter Airlines
  • 11/9-18/9
  • Nonstop
  • 3h 20m total
  • New York to Ontario
Search Deals
Porter Airlines
  • Porter Airlines
  • 2/9
  • Nonstop
  • 1h 40m total
  • New York to Ontario
Search Deals
Highest demand for flights based on searches. 12% potential increase in price (C$ 75 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease (C$ 15 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in July 2025
Search Deals
Price to beat on a round-trip flight from New York LaGuardia to Ontario.
Search Deals
Price to beat on a one-way flight from New York LaGuardia to Ontario.
Search Deals

Find flight deals from LaGuardia to Ontario

Cheapest flights from LaGuardia to Ontario
Explore the most affordable flight options available from LaGuardia to Ontario. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 29 July 2025.

Thu 11/95:30 p.m.LGA - YYZ
Nonstop1h 40mPorter Airlines
Thu 18/92:50 p.m.YYZ - LGA
Nonstop1h 40mPorter Airlines
Deal found 27/7C$ 265
Wed 10/98:45 a.m.LGA - YTZ
1 stop6h 00mAir Canada
Wed 17/910:25 a.m.YTZ - LGA
1 stop6h 27mAir Canada
Deal found 27/7C$ 270
Sun 17/88:45 a.m.LGA - YYZ
1 stop4h 40mMultiple Airlines
Sat 23/87:15 a.m.YYZ - LGA
Nonstop1h 40mMultiple Airlines
Deal found 27/7C$ 272
Thu 4/97:05 a.m.LGA - YUL
Nonstop1h 23mAir Canada
Sun 7/96:35 a.m.YUL - LGA
Nonstop1h 27mAir Canada
Deal found 29/7C$ 283
Thu 18/97:05 a.m.LGA - YYZ
1 stop4h 34mAir Canada
Sat 20/94:30 p.m.YYZ - LGA
Nonstop1h 34mAir Canada
Deal found 27/7C$ 289
Wed 10/99:55 a.m.LGA - YUL
1 stop4h 17mPorter Airlines
Wed 17/93:10 p.m.YUL - LGA
1 stop5h 55mPorter Airlines
Deal found 27/7C$ 309
Tue 9/93:59 p.m.LGA - YYZ
Nonstop2h 00mDelta
Tue 16/96:44 p.m.YYZ - LGA
Nonstop1h 45mDelta
Deal found 26/7C$ 325
Mon 1/98:22 a.m.LGA - YUL
Nonstop1h 29mAmerican Airlines
Wed 3/910:38 a.m.YUL - LGA
Nonstop1h 28mAmerican Airlines
Deal found 29/7C$ 336
Thu 4/910:25 a.m.LGA - YUL
1 stop4h 35mMultiple Airlines
Mon 8/910:00 a.m.YUL - LGA
1 stop6h 30mMultiple Airlines
Deal found 27/7C$ 337
Tue 26/88:30 a.m.LGA - YUL
Nonstop1h 37mDelta
Tue 2/96:00 a.m.YUL - LGA
Nonstop1h 31mDelta
Deal found 27/7C$ 355
Thu 28/86:15 a.m.LGA - YOW
1 stop4h 06mPorter Airlines
Sat 30/811:20 a.m.YOW - LGA
1 stop5h 10mPorter Airlines
Deal found 26/7C$ 380
Fri 12/910:30 a.m.LGA - YQG
1 stop4h 57mAir Canada
Fri 19/93:55 p.m.YQG - LGA
1 stop5h 04mAir Canada
Deal found 29/7C$ 381

Cheapflights Fare Finder

 
Customize your flight search to find flights from LaGuardia to 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, Cheapflights users made 629,999 searches. Data last updated 29 July 2025.
Use the filters below to find and compare flights from New York LaGuardia Airport to Ontario that are best for you.

Fly from

LaGuardia

Fly to

Ontario

Route

Depart

Return

Price

New YorkToronto

LGA - YYZ

LGAYYZ

New York LaGuardia

Thu 11/9

5:30 p.m.-7:10 p.m.

Nonstop1h 40m

Toronto Pearson Intl

Thu 18/9

2:50 p.m.-4:30 p.m.

Nonstop1h 40m

C$ 265

New YorkToronto

LGA - YTZ

LGAYTZ

New York LaGuardia

Wed 10/9

8:45 a.m.-2:45 p.m.

1 stop6h 00m

Toronto Island

Wed 17/9

10:25 a.m.-4:52 p.m.

1 stop6h 27m

C$ 270

New YorkToronto

LGA - YYZ

LGAYYZ

New York LaGuardia

Sun 17/8

8:45 a.m.-1:25 p.m.

1 stop4h 40m

Toronto Pearson Intl

Sat 23/8

7:15 a.m.-8:55 a.m.

Nonstop1h 40m

C$ 272

New YorkToronto

LGA - YYZ

LGAYYZ

New York LaGuardia

Thu 18/9

7:05 a.m.-11:39 a.m.

1 stop4h 34m

Toronto Pearson Intl

Sun 21/9

7:25 p.m.-8:59 p.m.

Nonstop1h 34m

C$ 289

New YorkMontreal

LGA - YUL

LGAYUL

New York LaGuardia

Fri 17/10

7:05 p.m.-8:29 p.m.

Nonstop1h 24m

Montreal Pierre Elliott Trudeau Intl

Sat 18/10

8:00 p.m.-9:30 p.m.

Nonstop1h 30m

C$ 307

New YorkMontreal

LGA - YUL

LGAYUL

New York LaGuardia

Wed 10/9

9:55 a.m.-2:12 p.m.

1 stop4h 17m

Montreal Pierre Elliott Trudeau Intl

Wed 17/9

3:10 p.m.-9:05 p.m.

1 stop5h 55m

C$ 309

New YorkMontreal

LGA - YUL

LGAYUL

New York LaGuardia

Fri 16/1

6:05 a.m.-7:36 a.m.

Nonstop1h 31m

Montreal Pierre Elliott Trudeau Intl

Mon 19/1

2:30 p.m.-9:25 p.m.

1 stop6h 55m

C$ 313

New YorkToronto

LGA - YYZ

LGAYYZ

New York LaGuardia

Tue 19/8

6:00 a.m.-5:19 p.m.

1 stop11h 19m

Toronto Pearson Intl

Tue 19/8

9:00 p.m.-9:16 a.m.

1 stop12h 16m

C$ 326

New YorkMontreal

LGA - YUL

LGAYUL

New York LaGuardia

Tue 26/8

8:30 a.m.-10:07 a.m.

Nonstop1h 37m

Montreal Pierre Elliott Trudeau Intl

Tue 2/9

6:00 a.m.-7:31 a.m.

Nonstop1h 31m

C$ 355

New YorkOttawa

LGA - YOW

LGAYOW

New York LaGuardia

Thu 28/8

6:15 a.m.-10:21 a.m.

1 stop4h 06m

Ottawa

Sat 30/8

11:20 a.m.-4:30 p.m.

1 stop5h 10m

C$ 380

Flights are sorted by cheapest round-trip flights first.

Deals found on 26/7

Showing 1-10 of 42 results
1
2
3
...
5

Best time to book a flight from LaGuardia to Ontario

Have a flexible travel schedule? Discover the best time to fly to Ontario from LaGuardia 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.

Cheapflights Insights

Everything you need to know about your flight from New York LaGuardia Airport to Ontario

What is the cheapest month to book a flight from New York LaGuardia Airport to Region of Ontario?

Currently, January is the cheapest month in which you can book a flight from New York LaGuardia Airport to Region of Ontario (average of C$ 167). Flying from New York LaGuardia Airport to Region of Ontario in July is currently the most expensive (average of C$ 258). 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 LGA to ON?

Find hourly flight availability from LaGuardia to Ontario. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 29 July 2025.

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

Weekly flight availability from New York LaGuardia Airport to Region of Ontario

Explore weekly flight availability from LaGuardia to Ontario. 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 29 July 2025.

The most flights from LGA to CAON are scheduled on a Monday (53 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (26 on average).

Reviews of airlines servicing Ontario

Get insights into the airlines that provide service to Ontario. 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 Ontario. Reviews last updated 29 July 2025.
Read through reviews of airlines operating flights from New York LaGuardia Airport to Ontario, such as Porter Airlines,Delta, andAir Transat. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
Porter Airlines
8.0
Very good
317 reviews
Check prices

Comfort

8.0

Entertainment

7.0

Boarding

8.2

Food

7.6

Crew

8.7

Overall

8.0

Reviews

1 / 20
8.0
Excellent

Anonymous,Jul 2025

LIS - YYZ

Everything was on time and easy. Crew were nice on flights and helpful. International flight, so long and typically uncomfortable but not more than most. Food and drink service were below average but you get what you pay for. Overall, good experience
Porter Airlines
8.0
Very good
317 reviews
Porter Airlines
8.0
Very good
317 reviews
Check prices

Comfort

8.0

Entertainment

7.0

Boarding

8.2

Food

7.6

Crew

8.7

Overall

8.0

Reviews

1 / 20
8.0
Excellent

Anonymous,Jul 2025

LIS - YYZ

Everything was on time and easy. Crew were nice on flights and helpful. International flight, so long and typically uncomfortable but not more than most. Food and drink service were below average but you get what you pay for. Overall, good experience
Delta
8.0
Very good
7,977 reviews
Porter Airlines
8.0
Very good
317 reviews
Check prices

Comfort

8.0

Entertainment

7.0

Boarding

8.2

Food

7.6

Crew

8.7

Overall

8.0

Reviews

1 / 20
8.0
Excellent

Anonymous,Jul 2025

LIS - YYZ

Everything was on time and easy. Crew were nice on flights and helpful. International flight, so long and typically uncomfortable but not more than most. Food and drink service were below average but you get what you pay for. Overall, good experience
Air Transat
7.7
Good
424 reviews
Porter Airlines
8.0
Very good
317 reviews
Check prices

Comfort

8.0

Entertainment

7.0

Boarding

8.2

Food

7.6

Crew

8.7

Overall

8.0

Reviews

1 / 20
8.0
Excellent

Anonymous,Jul 2025

LIS - YYZ

Everything was on time and easy. Crew were nice on flights and helpful. International flight, so long and typically uncomfortable but not more than most. Food and drink service were below average but you get what you pay for. Overall, good experience
United Airlines
7.4
Good
8,899 reviews
Porter Airlines
8.0
Very good
317 reviews
Check prices

Comfort

8.0

Entertainment

7.0

Boarding

8.2

Food

7.6

Crew

8.7

Overall

8.0

Reviews

1 / 20
8.0
Excellent

Anonymous,Jul 2025

LIS - YYZ

Everything was on time and easy. Crew were nice on flights and helpful. International flight, so long and typically uncomfortable but not more than most. Food and drink service were below average but you get what you pay for. Overall, good experience
American Airlines
7.2
Good
10,000 reviews
Porter Airlines
8.0
Very good
317 reviews
Check prices

Comfort

8.0

Entertainment

7.0

Boarding

8.2

Food

7.6

Crew

8.7

Overall

8.0

Reviews

1 / 20
8.0
Excellent

Anonymous,Jul 2025

LIS - YYZ

Everything was on time and easy. Crew were nice on flights and helpful. International flight, so long and typically uncomfortable but not more than most. Food and drink service were below average but you get what you pay for. Overall, good experience

Related info for your journey

Find useful and relevant information for your journey from LaGuardia to Ontario. 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 New York LaGuardia Airport to Region of Ontario one-way?

    One-way options have recently been found by users for as low as C$ 110 on Porter Airlines. Other airlines that offer cheap prices include Air Canada from C$ 118 and Delta from C$ 128 one-way.

  • What are the most popular routes from New York LaGuardia Airport to Region of Ontario?

    The most popular route from New York LaGuardia Airport to Region of Ontario is New York LaGuardia - Toronto Pearson Intl. You may also consider New York LaGuardia - Montreal Pierre Elliott Trudeau Intl or New York LaGuardia - Toronto Island.

  • What are the most reliable airlines from New York LaGuardia Airport to Region of Ontario?

    Looking for the most reliable airlines to get you to your destination on time? Our data shows these are most likely to get you from New York LaGuardia Airport to Region of Ontario on time: KLM (82%), Porter Airlines (81%), Air Transat (81%).

  • What are the cheapest flights from New York LaGuardia Airport to Region of Ontario?

    On average you can expect to pay C$ 311 for a flight from New York LaGuardia Airport to Region of Ontario. The cheapest flight overall is C$ 103 while the most popular route, (New York LaGuardia - Toronto Pearson Intl) is currently priced at C$ 266.

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

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

  • How can I find direct flights from LaGuardia to Ontario?

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

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

    Yes. Cheapflights offers flight deals from LaGuardia to Ontario 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 New York LaGuardia Airport to Region of Ontario?

    Currently, January is the cheapest month in which you can book a flight from New York LaGuardia Airport to Region of Ontario (average of C$ 167). Flying from New York LaGuardia Airport to Region of Ontario in July is currently the most expensive (average of C$ 258). 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

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for LaGuardia to Ontario

See prices for flight routes from nearby airports that may be better suited for you.
Newark to Pearson Intl flights
Newark to Toronto Island flights
John F Kennedy Intl to Pearson Intl flights
LaGuardia to Pearson Intl flights
LaGuardia to Pierre Elliott Trudeau Intl flights
Newark to Pierre Elliott Trudeau Intl flights
John F Kennedy Intl to Vancouver Intl flights
Newark to Vancouver Intl flights
John F Kennedy Intl to Pierre Elliott Trudeau Intl flights
Newark to Calgary flights
John F Kennedy Intl to Calgary flights
LaGuardia to Vancouver Intl flights
Newark to Québec City flights
LaGuardia to Calgary flights
Newark to Halifax flights
LaGuardia to Toronto Island flights
John F Kennedy Intl to Toronto Island flights
John F Kennedy Intl to Québec City flights
Newark to Ottawa flights
LaGuardia to Halifax flights
LaGuardia to Québec City flights
John F Kennedy Intl to Halifax flights
John F Kennedy Intl to Edmonton flights
Newark to Edmonton flights
John F Kennedy Intl to Ottawa flights
Stewart to Pearson Intl flights
LaGuardia to Edmonton flights
LaGuardia to Ottawa flights
Newark to Winnipeg flights
LaGuardia to Winnipeg flights
John F Kennedy Intl to Winnipeg flights
Newark to Charlottetown flights
Newark to St. John's flights
LaGuardia to St. John's flights
Newark to Moncton flights
LaGuardia to Charlottetown flights
John F Kennedy Intl to Kelowna flights
John F Kennedy Intl to Victoria flights
Newark to Kelowna flights
Newark to Victoria flights
LaGuardia to Moncton flights
LaGuardia to Victoria flights
LaGuardia to Hamilton flights
John F Kennedy Intl to Regina flights
John F Kennedy Intl to Moncton flights
Newark to Hamilton flights

Top 5 airlines flying from LaGuardia to Ontario

Discover the top 5 airlines that operate flights from LaGuardia to Ontario. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 629,999 searches. Data last updated 29 July 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapestC$ 140AverageC$ 345FlexibilityNo cancel feeOn-timeN/A
Search Delta flights
American AirlinesCheapestC$ 182AverageC$ 409FlexibilityNo cancel feeOn-time71%
Search American Airlines flights
Porter AirlinesCheapestC$ 219AverageC$ 308FlexibilityNo cancel feeOn-time52%
Search Porter Airlines flights
Air CanadaCheapestC$ 238AverageC$ 533FlexibilityNo cancel feeOn-time67%
Search Air Canada flights
United AirlinesCheapestC$ 261AverageC$ 382FlexibilityNo cancel feeOn-time69%
Search United Airlines flights

Fly with Cheapflights

Find the best flight deals on Cheapflights, where travelers can enjoy low prices and a wide availability of flights to their desired destinations.

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

Cheapflights goes through 900+ travel sites to look for the best flight deals for flights from LaGuardia to Ontario. Too many options? Cheapflights also provides filters for things like airlines, price ranges, and number of stops to help you make a decision easily.

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

By finding flights from multiple airlines and providers at completely no cost, Cheapflights helps millions of users like you annually find the best flights to Ontario from LaGuardia.

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

Certainly. Search results for flights to Ontario from LaGuardia shown to you on Cheapflights can be narrowed down with different useful search filters, which includes flexible booking options.

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

Yes, Cheapflights offers price alerts on LaGuardia to Ontario flights so you can book your travel at the perfect time. Price Alerts can be enabled by clicking the bell icon next to the flight deals above and providing your email address where you want to receive the alerts.

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

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.