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Cheap flights from New York LaGuardia Airport, NY to Ontario from C$ 121

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 9/7. Fares are subject to change and may not be available on all flights or dates of travel.
LGA — YYZ
28 Feb — 7 Mar1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from LaGuardia to Ontario

Enter your travel dates to find the best prices.

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 January 2026.

Thu 30/76:30 p.m.
LGA
-
YTZ
Nonstop1h 39m
Air Canada
Tue 4/810:20 a.m.
YTZ
-
LGA
2 stops9h 17m
Air Canada
Deal found 27/1C$ 231
Mon 13/410:00 a.m.
LGA
-
YTZ
Nonstop1h 39m
Air Canada
Mon 4/52:20 p.m.
YTZ
-
LGA
Nonstop1h 21m
Air Canada
Deal found 27/1C$ 243
Tue 7/46:30 p.m.
LGA
-
YTZ
Nonstop1h 39m
Air Canada
Sat 11/411:00 a.m.
YTZ
-
LGA
Nonstop1h 21m
Air Canada
Deal found 27/1C$ 259
Thu 19/25:50 p.m.
LGA
-
YUL
1 stop6h 45m
Multiple Airlines
Mon 23/23:30 p.m.
YUL
-
LGA
Nonstop1h 29m
Multiple Airlines
Deal found 27/1C$ 259
Fri 5/66:30 p.m.
LGA
-
YTZ
Nonstop1h 39m
Air Canada
Sat 6/66:10 p.m.
YTZ
-
LGA
Nonstop1h 21m
Air Canada
Deal found 27/1C$ 263
Thu 19/26:05 a.m.
LGA
-
YUL
Nonstop1h 27m
Air Canada
Mon 23/23:30 p.m.
YUL
-
LGA
Nonstop1h 29m
Air Canada
Deal found 27/1C$ 263
Fri 13/36:05 a.m.
LGA
-
YUL
Nonstop1h 27m
Air Canada
Fri 20/31:10 p.m.
YUL
-
LGA
Nonstop1h 30m
Air Canada
Deal found 27/1C$ 272
Fri 28/83:30 p.m.
LGA
-
YTZ
1 stop4h 21m
Air Canada
Sun 30/86:10 p.m.
YTZ
-
LGA
Nonstop1h 21m
Air Canada
Deal found 27/1C$ 276
Sat 23/510:00 a.m.
LGA
-
YTZ
Nonstop1h 39m
Air Canada
Thu 28/57:25 a.m.
YTZ
-
LGA
Nonstop1h 21m
Air Canada
Deal found 28/1C$ 284
Mon 2/312:40 p.m.
LGA
-
YUL
Nonstop1h 31m
Air Canada
Fri 6/33:30 p.m.
YUL
-
LGA
Nonstop1h 29m
Air Canada
Deal found 28/1C$ 284
Sat 14/35:40 p.m.
LGA
-
YUL
Nonstop1h 35m
Air Canada
Sun 15/38:20 a.m.
YUL
-
LGA
Nonstop1h 33m
Air Canada
Deal found 29/1C$ 285
Thu 12/39:00 p.m.
LGA
-
YYZ
Nonstop1h 40m
Multiple Airlines
Thu 26/38:55 p.m.
YYZ
-
LGA
Nonstop1h 38m
Multiple Airlines
Deal found 27/1C$ 289

Find 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 January 2026.

Round-trip from

C$ 243

One-way from

C$ 121

Popular in

December

Cheapest in

May

Average price

C$ 379

Good round-trip deal

C$ 259 or less

Good one-way deal

C$ 248 or less
Air Canada
  • Air Canada
  • 13/4-4/5
  • Nonstop
  • 3h 00m total
  • New York to Ontario
Search Deals
Air Canada
  • Air Canada
  • 20/6
  • Nonstop
  • 1h 39m total
  • New York to Ontario
Search Deals
Highest demand for flights based on searches. 12% potential increase in price (C$ 74 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease (C$ 13 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in January 2026
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

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 January 2026.
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 - YTZ

LGAYTZ

New York LaGuardia

Mon 13/4

10:00 a.m.-11:39 a.m.

Nonstop1h 39m

Toronto Island

Mon 4/5

2:20 p.m.-3:41 p.m.

Nonstop1h 21m

C$ 243

New YorkToronto

LGA - YTZ

LGAYTZ

New York LaGuardia

Tue 7/4

6:30 p.m.-8:09 p.m.

Nonstop1h 39m

Toronto Island

Sat 11/4

11:00 a.m.-12:21 p.m.

Nonstop1h 21m

C$ 259

New YorkToronto

LGA - YTZ

LGAYTZ

New York LaGuardia

Tue 26/5

12:55 p.m.-2:34 p.m.

Nonstop1h 39m

Toronto Island

Thu 28/5

7:25 a.m.-8:46 a.m.

Nonstop1h 21m

C$ 263

New YorkToronto

LGA - YTZ

LGAYTZ

New York LaGuardia

Sun 28/6

12:55 p.m.-2:34 p.m.

Nonstop1h 39m

Toronto Island

Wed 1/7

7:25 a.m.-8:46 a.m.

Nonstop1h 21m

C$ 263

New YorkToronto

LGA - YTZ

LGAYTZ

New York LaGuardia

Wed 3/6

6:30 p.m.-8:09 p.m.

Nonstop1h 39m

Toronto Island

Sun 7/6

10:45 a.m.-12:06 p.m.

Nonstop1h 21m

C$ 263

New YorkToronto

LGA - YTZ

LGAYTZ

New York LaGuardia

Sat 4/4

7:55 a.m.-9:34 a.m.

Nonstop1h 39m

Toronto Island

Sat 11/4

2:20 p.m.-3:41 p.m.

Nonstop1h 21m

C$ 263

New YorkToronto

LGA - YTZ

LGAYTZ

New York LaGuardia

Fri 5/6

10:00 a.m.-11:39 a.m.

Nonstop1h 39m

Toronto Island

Sun 7/6

2:20 p.m.-3:41 p.m.

Nonstop1h 21m

C$ 263

New YorkToronto

LGA - YTZ

LGAYTZ

New York LaGuardia

Tue 7/4

10:00 a.m.-11:39 a.m.

Nonstop1h 39m

Toronto Island

Wed 8/4

6:10 p.m.-7:31 p.m.

Nonstop1h 21m

C$ 263

New YorkToronto

LGA - YTZ

LGAYTZ

New York LaGuardia

Sun 12/7

6:30 p.m.-8:09 p.m.

Nonstop1h 39m

Toronto Island

Sun 19/7

10:45 a.m.-12:06 p.m.

Nonstop1h 21m

C$ 284

New YorkMontreal

LGA - YUL

LGAYUL

New York LaGuardia

Tue 7/4

9:15 p.m.-10:40 a.m.

1 stop13h 25m

Montreal Pierre Elliott Trudeau Intl

Wed 8/4

2:20 p.m.-11:30 p.m.

1 stop9h 10m

C$ 324

Flights are sorted by cheapest round-trip flights first.

Deals found on 27/1

Showing 1-10 of 60 results
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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, September is the cheapest month in which you can book a flight from New York LaGuardia Airport to Region of Ontario (average of C$ 143). Flying from New York LaGuardia Airport to Region of Ontario in October is currently the most expensive (average of C$ 250). 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 January 2026.

A simple way to save on the total cost of your ticket is to fly from New York LaGuardia Airport to Region of Ontario in the morning. If you’re flexible enough to do this you can expect to save up to 31% on your trip compared to booking a flight at noon.

What is the cheapest day to fly from New York LaGuardia Airport to Region of Ontario?

Use this chart to determine the cheapest time to fly round-trip from LaGuardia to Ontario. Price data was last updated on 24 January 2026.

Travelers seeking maximum savings on their New York LaGuardia Airport to Region of Ontario flight should consider departing on Tuesday mornings when fares are most often at their lowest. Tuesday at noon flights should be avoided if possible as fares are typically the most expensive at this time.

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 January 2026.

The most flights from LGA to CAON are scheduled on a Thursday (43 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (22 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 January 2026.
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
7.9
Good
412 reviews
Check prices

Food

7.5

Boarding

8.2

Comfort

7.9

Overall

7.9

Crew

8.6

Entertainment

6.9

Reviews

1 / 20
8.0
Excellent

Mohameed,Nov 2025

LAS - YYZ

It's good. Planes are new and fresh. WiFi is best and stands out
Porter Airlines
7.9
Good
412 reviews
Porter Airlines
7.9
Good
412 reviews
Check prices

Food

7.5

Boarding

8.2

Comfort

7.9

Overall

7.9

Crew

8.6

Entertainment

6.9

Reviews

1 / 20
8.0
Excellent

Mohameed,Nov 2025

LAS - YYZ

It's good. Planes are new and fresh. WiFi is best and stands out
Delta
7.9
Good
8,125 reviews
Porter Airlines
7.9
Good
412 reviews
Check prices

Food

7.5

Boarding

8.2

Comfort

7.9

Overall

7.9

Crew

8.6

Entertainment

6.9

Reviews

1 / 20
8.0
Excellent

Mohameed,Nov 2025

LAS - YYZ

It's good. Planes are new and fresh. WiFi is best and stands out
Air Transat
7.7
Good
501 reviews
Porter Airlines
7.9
Good
412 reviews
Check prices

Food

7.5

Boarding

8.2

Comfort

7.9

Overall

7.9

Crew

8.6

Entertainment

6.9

Reviews

1 / 20
8.0
Excellent

Mohameed,Nov 2025

LAS - YYZ

It's good. Planes are new and fresh. WiFi is best and stands out
United Airlines
7.4
Good
9,215 reviews
Porter Airlines
7.9
Good
412 reviews
Check prices

Food

7.5

Boarding

8.2

Comfort

7.9

Overall

7.9

Crew

8.6

Entertainment

6.9

Reviews

1 / 20
8.0
Excellent

Mohameed,Nov 2025

LAS - YYZ

It's good. Planes are new and fresh. WiFi is best and stands out
Air Canada
7.1
Good
10,666 reviews
Porter Airlines
7.9
Good
412 reviews
Check prices

Food

7.5

Boarding

8.2

Comfort

7.9

Overall

7.9

Crew

8.6

Entertainment

6.9

Reviews

1 / 20
8.0
Excellent

Mohameed,Nov 2025

LAS - YYZ

It's good. Planes are new and fresh. WiFi is best and stands out

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.

  • How long is the flight from New York LaGuardia Airport to Region of Ontario?

    There are many flights that can get you from New York LaGuardia Airport to Region of Ontario in 1h 37m. Fly via Air Canada, United Airlines, or Delta to get the fastest option. The distance between New York LaGuardia Airport and Region of Ontario is about 521 km. When browsing for deals, the options you’ll see will be for both direct flights and flights with stops.

  • 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$ 95 on Porter Airlines. Other airlines that offer cheap prices include Delta from C$ 108 and Air Canada from C$ 129 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 - Montreal Pierre Elliott Trudeau Intl. You may also consider New York LaGuardia - Toronto Pearson Intl or New York LaGuardia - Ottawa.

  • 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: British Airways (77%), KLM (74%), WestJet (72%).

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

    On average you can expect to pay C$ 323 for a flight from New York LaGuardia Airport to Region of Ontario. The cheapest flight overall is C$ 116 while the most popular route, (New York LaGuardia - Montreal Pierre Elliott Trudeau Intl) is currently priced at C$ 293.

  • 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, September is the cheapest month in which you can book a flight from New York LaGuardia Airport to Region of Ontario (average of C$ 143). Flying from New York LaGuardia Airport to Region of Ontario in October is currently the most expensive (average of C$ 250). 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

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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
John F Kennedy Intl to Vancouver Intl flights
LaGuardia to Pierre Elliott Trudeau Intl flights
Newark to Vancouver Intl flights
Newark to Pierre Elliott Trudeau Intl flights
LaGuardia to Pearson 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
LaGuardia to Calgary flights
Newark to Québec City flights
Newark to Ottawa flights
Newark to Halifax flights
John F Kennedy Intl to Québec City flights
John F Kennedy Intl to Toronto Island flights
LaGuardia to Québec City flights
LaGuardia to Ottawa flights
LaGuardia to Toronto Island flights
LaGuardia to Halifax flights
John F Kennedy Intl to Halifax flights
Newark to Edmonton flights
LaGuardia to Edmonton flights
John F Kennedy Intl to Ottawa flights
Newark to St. John's flights
John F Kennedy Intl to Edmonton flights
John F Kennedy Intl to Kelowna flights
Newark to Kelowna flights
Newark to Hamilton flights
Newark to Winnipeg flights
LaGuardia to St. John's flights
John F Kennedy Intl to Winnipeg flights
LaGuardia to Kelowna flights
Newark to Victoria flights
LaGuardia to Winnipeg flights
LaGuardia to Hamilton flights
Newark to Charlottetown flights
Newark to Saskatoon flights
LaGuardia to Victoria flights
John F Kennedy Intl to Victoria flights
LaGuardia to Charlottetown flights
Newark to Regina flights
John F Kennedy Intl to Regina flights
LaGuardia to Saskatoon flights

Top 6 airlines flying from LaGuardia to Ontario

Discover the top 6 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 January 2026.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapestC$ 155AverageC$ 234FlexibilityNo cancel feeOn-time71%
Search American Airlines flights
Porter AirlinesCheapestC$ 156AverageC$ 343FlexibilityNo cancel feeOn-time52%
Search Porter Airlines flights
Air CanadaCheapestC$ 159AverageC$ 363FlexibilityNo cancel feeOn-time67%
Search Air Canada flights
DeltaCheapestC$ 198AverageC$ 284FlexibilityNo cancel feeOn-timeN/A
Search Delta flights
United AirlinesCheapestC$ 203AverageC$ 378FlexibilityNo cancel feeOn-time69%
Search United Airlines flights
Air TransatCheapestC$ 214AverageC$ 358FlexibilityNo cancel feeOn-time50%
Search Air Transat 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.

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