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Cheap flights from New York LaGuardia Airport, NY to Ontario from C$ 122

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 9/4. Fares are subject to change and may not be available on all flights or dates of travel.
LGA — YYZ
17 Apr — 24 Apr1
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 18 March 2026.

Thu 2/47:55 a.m.
LGA
-
YTZ
Nonstop1h 39m
Air Canada
Sun 5/47:25 a.m.
YTZ
-
LGA
Nonstop1h 21m
Air Canada
Deal found 14/3C$ 230
Fri 3/46:30 p.m.
LGA
-
YTZ
Nonstop1h 39m
Air Canada
Sun 5/47:25 a.m.
YTZ
-
LGA
Nonstop1h 21m
Air Canada
Deal found 16/3C$ 237
Wed 1/47:55 a.m.
LGA
-
YTZ
Nonstop1h 39m
Air Canada
Sun 5/47:25 a.m.
YTZ
-
LGA
Nonstop1h 21m
Air Canada
Deal found 16/3C$ 238
Sat 4/410:00 a.m.
LGA
-
YTZ
Nonstop1h 39m
Air Canada
Mon 6/47:25 a.m.
YTZ
-
LGA
Nonstop1h 21m
Air Canada
Deal found 17/3C$ 245
Tue 7/46:30 p.m.
LGA
-
YTZ
Nonstop1h 39m
Air Canada
Thu 9/411:00 a.m.
YTZ
-
LGA
Nonstop1h 21m
Air Canada
Deal found 14/3C$ 246
Sun 5/47:55 a.m.
LGA
-
YTZ
Nonstop1h 39m
Air Canada
Tue 7/46:10 p.m.
YTZ
-
LGA
Nonstop1h 21m
Air Canada
Deal found 14/3C$ 251
Fri 10/48:30 p.m.
LGA
-
YYZ
Nonstop1h 40m
Porter Airlines
Sun 12/47:20 a.m.
YYZ
-
LGA
Nonstop1h 35m
Porter Airlines
Deal found 17/3C$ 274
Sat 11/49:55 a.m.
LGA
-
YYZ
Nonstop1h 40m
Porter Airlines
Mon 13/43:20 p.m.
YYZ
-
LGA
Nonstop1h 35m
Porter Airlines
Deal found 17/3C$ 275
Wed 8/49:55 a.m.
LGA
-
YYZ
Nonstop1h 40m
Porter Airlines
Wed 15/47:20 a.m.
YYZ
-
LGA
Nonstop1h 35m
Porter Airlines
Deal found 18/3C$ 279
Fri 17/48:30 p.m.
LGA
-
YYZ
Nonstop1h 40m
Porter Airlines
Sun 19/47:20 a.m.
YYZ
-
LGA
Nonstop1h 35m
Porter Airlines
Deal found 16/3C$ 281
Fri 17/45:55 p.m.
LGA
-
YYZ
Nonstop1h 40m
Porter Airlines
Mon 20/43:20 p.m.
YYZ
-
LGA
Nonstop1h 35m
Porter Airlines
Deal found 17/3C$ 282
Mon 13/49:55 a.m.
LGA
-
YYZ
Nonstop1h 40m
Porter Airlines
Mon 27/43:20 p.m.
YYZ
-
LGA
Nonstop1h 35m
Porter Airlines
Deal found 17/3C$ 283

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 18 March 2026.

Round-trip from

C$ 230

One-way from

C$ 122

Popular in

December

Cheapest in

May

Average price

C$ 360

Good round-trip deal

C$ 322 or less

Good one-way deal

C$ 178 or less
Air Canada
  • Air Canada
  • 2/4-5/4
  • Nonstop
  • 3h 00m total
  • New York to Ontario
Search Deals
Porter Airlines
  • Porter Airlines
  • 9/4
  • Nonstop
  • 1h 40m total
  • New York to Ontario
Search Deals
Highest demand for flights based on searches. 11% potential increase in price (C$ 67 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease (C$ 12 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in March 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 18 March 2026.
Use the filters below to find and compare flights from New York LaGuardia Airport to Ontario that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

New YorkToronto

LGA - YYZ

LGAYYZ

New York LaGuardia

Fri 3/4

9:25 p.m.-11:09 p.m.

Nonstop1h 44m

Toronto Pearson Intl

Sun 5/4

6:00 a.m.-7:52 a.m.

Nonstop1h 52m

C$ 346
Quickest round-trip

New YorkToronto

LGA - YTZ

LGAYTZ

New York LaGuardia

Sat 23/5

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

Nonstop1h 39m

Toronto Island

Sun 24/5

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

Nonstop1h 21m

C$ 368

New YorkToronto

LGA - YYZ

LGAYYZ

New York LaGuardia

Sat 25/4

2:49 p.m.-7:02 p.m.

1 stop4h 13m

Toronto Pearson Intl

Tue 28/4

7:43 p.m.-11:30 p.m.

1 stop3h 47m

C$ 371

New YorkToronto

LGA - YYZ

LGAYYZ

New York LaGuardia

Fri 3/4

9:25 p.m.-11:09 p.m.

Nonstop1h 44m

Toronto Pearson Intl

Mon 6/4

6:00 a.m.-7:52 a.m.

Nonstop1h 52m

C$ 378

New YorkToronto

LGA - YYZ

LGAYYZ

New York LaGuardia

Mon 30/3

7:44 a.m.-9:28 a.m.

Nonstop1h 44m

Toronto Pearson Intl

Thu 2/4

2:26 p.m.-4:04 p.m.

Nonstop1h 38m

C$ 378

New YorkToronto

LGA - YYZ

LGAYYZ

New York LaGuardia

Thu 2/4

7:44 a.m.-9:28 a.m.

Nonstop1h 44m

Toronto Pearson Intl

Sun 5/4

7:50 a.m.-9:35 a.m.

Nonstop1h 45m

C$ 378

New YorkToronto

LGA - YYZ

LGAYYZ

New York LaGuardia

Sun 5/4

7:44 a.m.-9:28 a.m.

Nonstop1h 44m

Toronto Pearson Intl

Mon 13/4

10:00 a.m.-11:42 a.m.

Nonstop1h 42m

C$ 378

New YorkToronto

LGA - YYZ

LGAYYZ

New York LaGuardia

Sat 2/5

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

Nonstop1h 40m

Toronto Pearson Intl

Sat 9/5

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

Nonstop1h 35m

C$ 381

New YorkToronto

LGA - YTZ

LGAYTZ

New York LaGuardia

Mon 15/6

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

Nonstop1h 39m

Toronto Island

Thu 18/6

10:45 a.m.-2:37 p.m.

1 stop3h 52m

C$ 381

New YorkToronto

LGA - YYZ

LGAYYZ

New York LaGuardia

Sat 22/8

2:20 p.m.-4:03 p.m.

Nonstop1h 43m

Toronto Pearson Intl

Wed 26/8

6:15 a.m.-8:00 a.m.

Nonstop1h 45m

C$ 382

Flights are sorted by cheapest round-trip flights first.

Deals found on 17/3

Showing 1-10 of 60 resultsSorted by cheapest first
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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$ 144). Flying from New York LaGuardia Airport to Region of Ontario in February is currently the most expensive (average of C$ 262). 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 18 March 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 afternoon. If you’re flexible enough to do this you can expect to save up to 40% 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 14 March 2026.

Travelers seeking maximum savings on their New York LaGuardia Airport to Region of Ontario flight should consider departing on Friday afternoons 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 18 March 2026.

The most flights from LGA to CAON are scheduled on a Friday (47 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (30 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 18 March 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
8.0
Very good
424 reviews
Check prices

Crew

8.6

Boarding

8.2

Overall

8.0

Food

7.6

Comfort

8.0

Entertainment

7.0

Reviews

1 / 20
10.0
Excellent

John,Mar 2026

YYZ - PVR

I'm 6ft 4in. The seats don't have enough room. But was a good flight.
Porter Airlines
8.0
Very good
424 reviews
Porter Airlines
8.0
Very good
424 reviews
Check prices

Crew

8.6

Boarding

8.2

Overall

8.0

Food

7.6

Comfort

8.0

Entertainment

7.0

Reviews

1 / 20
10.0
Excellent

John,Mar 2026

YYZ - PVR

I'm 6ft 4in. The seats don't have enough room. But was a good flight.
Delta
7.9
Good
8,288 reviews
Porter Airlines
8.0
Very good
424 reviews
Check prices

Crew

8.6

Boarding

8.2

Overall

8.0

Food

7.6

Comfort

8.0

Entertainment

7.0

Reviews

1 / 20
10.0
Excellent

John,Mar 2026

YYZ - PVR

I'm 6ft 4in. The seats don't have enough room. But was a good flight.
Air Transat
7.7
Good
521 reviews
Porter Airlines
8.0
Very good
424 reviews
Check prices

Crew

8.6

Boarding

8.2

Overall

8.0

Food

7.6

Comfort

8.0

Entertainment

7.0

Reviews

1 / 20
10.0
Excellent

John,Mar 2026

YYZ - PVR

I'm 6ft 4in. The seats don't have enough room. But was a good flight.
American Airlines
7.1
Good
11,469 reviews
Porter Airlines
8.0
Very good
424 reviews
Check prices

Crew

8.6

Boarding

8.2

Overall

8.0

Food

7.6

Comfort

8.0

Entertainment

7.0

Reviews

1 / 20
10.0
Excellent

John,Mar 2026

YYZ - PVR

I'm 6ft 4in. The seats don't have enough room. But was a good flight.
Air Canada
7.1
Good
10,813 reviews
Porter Airlines
8.0
Very good
424 reviews
Check prices

Crew

8.6

Boarding

8.2

Overall

8.0

Food

7.6

Comfort

8.0

Entertainment

7.0

Reviews

1 / 20
10.0
Excellent

John,Mar 2026

YYZ - PVR

I'm 6ft 4in. The seats don't have enough room. But was a good flight.

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 39m. Fly via Delta, Air Canada, or United Airlines to get the fastest option. The distance between New York LaGuardia Airport and Region of Ontario is about 554 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$ 97 on Porter Airlines. Other airlines that offer cheap prices include Delta from C$ 109 and Air Canada from C$ 127 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 - 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 (79%), Delta (72%), Endeavor Airlines (72%).

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

    On average you can expect to pay C$ 366 for a flight from New York LaGuardia Airport to Region of Ontario. The cheapest flight overall is C$ 121 while the most popular route, (New York LaGuardia - Montreal Pierre Elliott Trudeau Intl) is currently priced at C$ 315.

  • 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$ 144). Flying from New York LaGuardia Airport to Region of Ontario in February is currently the most expensive (average of C$ 262). 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.
John F Kennedy Intl to Pierre Elliott Trudeau Intl flights
Newark to Pearson Intl flights
Newark to Pierre Elliott Trudeau Intl flights
Newark to Toronto Island flights
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Newark to Vancouver Intl flights
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LaGuardia to Pearson Intl flights
Newark to Calgary flights
John F Kennedy Intl to Calgary flights
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John F Kennedy Intl to Toronto Island flights
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Newark to St. John's flights
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John F Kennedy Intl to Kelowna flights
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LaGuardia to Kelowna flights
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Newark to Deer Lake flights
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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 18 March 2026.
AirlineCheapestAverageFlexibilityOn-time
Porter AirlinesCheapestC$ 157AverageC$ 350FlexibilityNo cancel feeOn-time52%
Search Porter Airlines flights
Air CanadaCheapestC$ 161AverageC$ 371FlexibilityNo cancel feeOn-time67%
Search Air Canada flights
American AirlinesCheapestC$ 182AverageC$ 406FlexibilityNo cancel feeOn-time71%
Search American Airlines flights
DeltaCheapestC$ 200AverageC$ 292FlexibilityNo cancel feeOn-timeN/A
Search Delta flights
Air TransatCheapestC$ 229AverageC$ 362FlexibilityNo 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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