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Cheap flights from New York LaGuardia Airport, NY to Ontario from C$ 150

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 4/7. Fares are subject to change and may not be available on all flights or dates of travel.
LGA — YYZ
19 Jul — 26 Jul1
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 19 June 2026.

Mon 26/109:40 a.m.
LGA
-
YYZ
Nonstop1h 42m
Porter Airlines
Wed 28/107:00 a.m.
YYZ
-
LGA
Nonstop1h 40m
Porter Airlines
Deal found 18/6C$ 275
Fri 30/109:40 a.m.
LGA
-
YYZ
Nonstop1h 42m
Porter Airlines
Sun 1/117:00 a.m.
YYZ
-
LGA
Nonstop1h 40m
Porter Airlines
Deal found 18/6C$ 288
Sat 31/109:40 a.m.
LGA
-
YYZ
Nonstop1h 42m
Porter Airlines
Sun 1/117:00 a.m.
YYZ
-
LGA
Nonstop1h 40m
Porter Airlines
Deal found 18/6C$ 289
Sun 1/119:40 a.m.
LGA
-
YYZ
Nonstop1h 42m
Porter Airlines
Sun 1/116:15 p.m.
YYZ
-
LGA
Nonstop1h 40m
Porter Airlines
Deal found 18/6C$ 292
Thu 29/108:55 p.m.
LGA
-
YYZ
Nonstop1h 42m
Porter Airlines
Sat 31/107:00 a.m.
YYZ
-
LGA
Nonstop1h 40m
Porter Airlines
Deal found 18/6C$ 295
Tue 27/106:35 p.m.
LGA
-
YYZ
Nonstop1h 42m
Porter Airlines
Fri 30/107:00 a.m.
YYZ
-
LGA
Nonstop1h 40m
Porter Airlines
Deal found 18/6C$ 297
Mon 26/109:40 a.m.
LGA
-
YYZ
Nonstop1h 42m
Porter Airlines
Thu 29/106:15 p.m.
YYZ
-
LGA
Nonstop1h 40m
Porter Airlines
Deal found 18/6C$ 298
Wed 28/109:40 a.m.
LGA
-
YYZ
Nonstop1h 42m
Porter Airlines
Wed 28/103:55 p.m.
YYZ
-
LGA
Nonstop1h 40m
Porter Airlines
Deal found 18/6C$ 299
Thu 29/109:40 a.m.
LGA
-
YYZ
Nonstop1h 42m
Porter Airlines
Thu 29/103:55 p.m.
YYZ
-
LGA
Nonstop1h 40m
Porter Airlines
Deal found 18/6C$ 301
Wed 29/76:30 a.m.
LGA
-
YUL
Nonstop1h 30m
GOL
Wed 5/86:35 a.m.
YUL
-
LGA
Nonstop1h 25m
GOL
Deal found 14/6C$ 302
Tue 27/109:40 a.m.
LGA
-
YYZ
Nonstop1h 42m
Porter Airlines
Mon 2/116:15 p.m.
YYZ
-
LGA
Nonstop1h 40m
Porter Airlines
Deal found 18/6C$ 305
Fri 30/109:40 a.m.
LGA
-
YYZ
Nonstop1h 42m
Porter Airlines
Mon 2/113:55 p.m.
YYZ
-
LGA
Nonstop1h 40m
Porter Airlines
Deal found 18/6C$ 308

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 19 June 2026.

Round-trip from

C$ 302

One-way from

C$ 150

Popular in

December

Cheapest in

April

Average price

C$ 409

Good round-trip deal

C$ 128 or less

Good one-way deal

C$ 166 or less
GOL
  • GOL
  • 29/7-5/8
  • Nonstop
  • 2h 55m total
  • New York to Ontario
Search Deals
Porter Airlines
  • Porter Airlines
  • 4/7
  • Nonstop
  • 1h 40m total
  • New York to Ontario
Search Deals
Highest demand for flights based on searches. 6% potential increase in price (C$ 39 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 1% potential price decrease (C$ 10 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in June 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 19 June 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

Tue 15/9

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

Nonstop1h 40m

Toronto Pearson Intl

Fri 18/9

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

Nonstop1h 35m

C$ 391

New YorkToronto

LGA - YYZ

LGAYYZ

New York LaGuardia

Tue 15/9

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

Nonstop1h 40m

Toronto Pearson Intl

Thu 17/9

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

Nonstop1h 35m

C$ 391

New YorkToronto

LGA - YYZ

LGAYYZ

New York LaGuardia

Tue 11/8

6:00 a.m.-2:19 p.m.

1 stop8h 19m

Toronto Pearson Intl

Tue 11/8

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

1 stop4h 00m

C$ 398

New YorkToronto

LGA - YYZ

LGAYYZ

New York LaGuardia

Fri 31/7

8:25 p.m.-10:05 p.m.

Nonstop1h 40m

Toronto Pearson Intl

Thu 20/8

7:20 a.m.-8:55 a.m.

Nonstop1h 35m

C$ 407

New YorkToronto

LGA - YYZ

LGAYYZ

New York LaGuardia

Fri 31/7

8:25 p.m.-10:05 p.m.

Nonstop1h 40m

Toronto Pearson Intl

Fri 7/8

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

Nonstop1h 35m

C$ 407

New YorkToronto

LGA - YYZ

LGAYYZ

New York LaGuardia

Sun 11/10

6:00 a.m.-10:04 a.m.

1 stop4h 04m

Toronto Pearson Intl

Fri 16/10

4:35 p.m.-6:10 p.m.

Nonstop1h 35m

C$ 419

New YorkToronto

LGA - YYZ

LGAYYZ

New York LaGuardia

Sat 11/7

7:28 p.m.-11:54 p.m.

1 stop4h 26m

Toronto Pearson Intl

Thu 16/7

6:00 a.m.-7:35 a.m.

Nonstop1h 35m

C$ 421

New YorkToronto

LGA - YYZ

LGAYYZ

New York LaGuardia

Wed 1/7

10:29 a.m.-2:19 p.m.

1 stop3h 50m

Toronto Pearson Intl

Wed 8/7

12:00 p.m.-1:35 p.m.

Nonstop1h 35m

C$ 421

New YorkToronto

LGA - YYZ

LGAYYZ

New York LaGuardia

Wed 8/7

2:51 p.m.-7:02 p.m.

1 stop4h 11m

Toronto Pearson Intl

Sun 12/7

6:00 a.m.-7:35 a.m.

Nonstop1h 35m

C$ 421

New YorkToronto

LGA - YYZ

LGAYYZ

New York LaGuardia

Wed 19/8

6:00 a.m.-2:19 p.m.

1 stop8h 19m

Toronto Pearson Intl

Sat 22/8

9:00 p.m.-10:35 p.m.

Nonstop1h 35m

C$ 421

Flights are sorted by cheapest round-trip flights first.

Deals found on 14/6

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, March is the cheapest month in which you can book a flight from New York LaGuardia Airport to Region of Ontario (average of C$ 56). Flying from New York LaGuardia Airport to Region of Ontario in September is currently the most expensive (average of C$ 860). 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 19 June 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 evening. If you’re flexible enough to do this you can expect to save up to 41% on your trip compared to booking a flight at noon.

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 19 June 2026.

The most flights from LGA to CAON are scheduled on a Thursday (49 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (12 on average).

How much does it cost to fly round-trip from New York LaGuardia Airport to Region of Ontario?

How far ahead should I book a flight from New York LaGuardia Airport to Region of Ontario?

To ensure you get the cheapest price possible for a flight from New York LaGuardia Airport to Region of Ontario, you should look to book at least 68 days in advance of your intended travel date. The price of your flight may increase if you delay and leave booking until a week or so before departure.

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 13 June 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. Sunday at noon flights should be avoided if possible as fares are typically the most expensive at this time.

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 19 June 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
438 reviews
Check prices

Boarding

8.2

Entertainment

6.9

Food

7.6

Overall

8.0

Crew

8.6

Comfort

8.0

Reviews

1 / 20
6.0
Good

Justin,May 2026

YYZ - MCO

Staff very nice. Seats were uncomfortable. Complimentary snacks leave much to be desired.
Porter Airlines
8.0
Very good
438 reviews
Porter Airlines
8.0
Very good
438 reviews
Check prices

Boarding

8.2

Entertainment

6.9

Food

7.6

Overall

8.0

Crew

8.6

Comfort

8.0

Reviews

1 / 20
6.0
Good

Justin,May 2026

YYZ - MCO

Staff very nice. Seats were uncomfortable. Complimentary snacks leave much to be desired.
Delta
7.8
Good
8,416 reviews
Porter Airlines
8.0
Very good
438 reviews
Check prices

Boarding

8.2

Entertainment

6.9

Food

7.6

Overall

8.0

Crew

8.6

Comfort

8.0

Reviews

1 / 20
6.0
Good

Justin,May 2026

YYZ - MCO

Staff very nice. Seats were uncomfortable. Complimentary snacks leave much to be desired.
Air Transat
7.8
Good
555 reviews
Porter Airlines
8.0
Very good
438 reviews
Check prices

Boarding

8.2

Entertainment

6.9

Food

7.6

Overall

8.0

Crew

8.6

Comfort

8.0

Reviews

1 / 20
6.0
Good

Justin,May 2026

YYZ - MCO

Staff very nice. Seats were uncomfortable. Complimentary snacks leave much to be desired.
American Airlines
7.1
Good
11,700 reviews
Porter Airlines
8.0
Very good
438 reviews
Check prices

Boarding

8.2

Entertainment

6.9

Food

7.6

Overall

8.0

Crew

8.6

Comfort

8.0

Reviews

1 / 20
6.0
Good

Justin,May 2026

YYZ - MCO

Staff very nice. Seats were uncomfortable. Complimentary snacks leave much to be desired.
Air Canada
7.1
Good
11,218 reviews
Porter Airlines
8.0
Very good
438 reviews
Check prices

Boarding

8.2

Entertainment

6.9

Food

7.6

Overall

8.0

Crew

8.6

Comfort

8.0

Reviews

1 / 20
6.0
Good

Justin,May 2026

YYZ - MCO

Staff very nice. Seats were uncomfortable. Complimentary snacks leave much to be desired.

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 33m. Fly via Porter Airlines, Delta, or United Airlines to get the fastest option. The distance between New York LaGuardia Airport and Region of Ontario is about 521 km. Most flights are nonstop.

  • 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$ 113 on Delta. Other airlines that offer cheap prices include Porter Airlines from C$ 114 and Air Transat from C$ 125 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 (90%), American Airlines (81%), Republic Airways (81%).

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

    On average you can expect to pay C$ 344 for a flight from New York LaGuardia Airport to Region of Ontario. The cheapest flight overall is C$ 143 while the most popular route, (New York LaGuardia - Toronto Pearson Intl) is currently priced at C$ 295.

  • 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, March is the cheapest month in which you can book a flight from New York LaGuardia Airport to Region of Ontario (average of C$ 56). Flying from New York LaGuardia Airport to Region of Ontario in September is currently the most expensive (average of C$ 860). 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 Toronto Island flights
Newark to Pearson Intl flights
John F Kennedy Intl to Pearson Intl flights
LaGuardia to Pearson Intl flights
John F Kennedy Intl to Vancouver Intl flights
Newark to Vancouver Intl flights
Newark to Pierre Elliott Trudeau Intl flights
LaGuardia to Pierre Elliott Trudeau Intl flights
Newark to Calgary flights
John F Kennedy Intl to Calgary flights
John F Kennedy Intl to Toronto Island flights
John F Kennedy Intl to Pierre Elliott Trudeau Intl flights
LaGuardia to Vancouver Intl flights
LaGuardia to Toronto Island flights
Newark to Hamilton flights
LaGuardia to Calgary flights
Newark to Québec City flights
Newark to Halifax flights
LaGuardia to Québec City flights
Newark to Ottawa flights
John F Kennedy Intl to Halifax flights
LaGuardia to Halifax flights
LaGuardia to Hamilton flights
LaGuardia to Ottawa flights
John F Kennedy Intl to Ottawa flights
Newark to St. John's flights
John F Kennedy Intl to Edmonton flights
Newark to Winnipeg flights
LaGuardia to Edmonton flights
Newark to Edmonton flights
John F Kennedy Intl to Winnipeg flights
LaGuardia to St. John's flights
Newark to Charlottetown flights
LaGuardia to Winnipeg flights
LaGuardia to Charlottetown flights
John F Kennedy Intl to Québec City flights
LaGuardia to Saskatoon flights
Newark to Victoria flights
LaGuardia to Victoria flights
John F Kennedy Intl to Saskatoon flights
John F Kennedy Intl to Victoria flights
Newark to Moncton 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 19 June 2026.
AirlineCheapestAverageFlexibilityOn-time
Porter AirlinesCheapestC$ 162AverageC$ 374FlexibilityNo cancel feeOn-time52%
Search Porter Airlines flights
Air CanadaCheapestC$ 166AverageC$ 511FlexibilityNo cancel feeOn-time67%
Search Air Canada flights
DeltaCheapestC$ 206AverageC$ 325FlexibilityNo cancel feeOn-timeN/A
Search Delta flights
American AirlinesCheapestC$ 218AverageC$ 450FlexibilityNo cancel feeOn-time71%
Search American Airlines flights
Air TransatCheapestC$ 223AverageC$ 373FlexibilityNo 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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