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Cheap flights from New York LaGuardia Airport, NY to Ontario from C$ 125

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 27/9. Fares are subject to change and may not be available on all flights or dates of travel.
LGA — YYZ
11 Oct — 18 Oct1
1 adult
1 adult, Economy

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 11 September 2025.

Round-trip from

C$ 256

One-way from

C$ 125

Popular in

November

Cheapest in

May

Average price

C$ 351

Good round-trip deal

C$ 274 or less

Good one-way deal

C$ 215 or less
Porter Airlines
  • Porter Airlines
  • 21/11-25/11
  • Nonstop
  • 3h 20m total
  • New York to Ontario
Search Deals
27/9
  • 27/9
  • 1 total stop
  • 8h 05m total
  • New York to Ontario
Search Deals
Highest demand for flights based on searches. 12% potential increase in price (C$ 73 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease (C$ 16 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in September 2025
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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 11 September 2025.

Fri 21/116:15 a.m.LGA - YYZ
Nonstop1h 40mPorter Airlines
Tue 25/117:45 p.m.YYZ - LGA
Nonstop1h 40mPorter Airlines
Deal found 10/9C$ 256
Thu 2/1010:30 a.m.LGA - YYZ
Nonstop1h 35mAir Canada
Sun 5/107:50 a.m.YYZ - LGA
Nonstop1h 34mAir Canada
Deal found 9/9C$ 258
Thu 2/109:55 a.m.LGA - YYZ
Nonstop1h 40mPorter Airlines
Sun 5/107:15 a.m.YYZ - LGA
Nonstop1h 40mPorter Airlines
Deal found 9/9C$ 259
Fri 3/109:55 a.m.LGA - YYZ
Nonstop1h 40mPorter Airlines
Mon 6/107:15 a.m.YYZ - LGA
Nonstop1h 40mPorter Airlines
Deal found 9/9C$ 263
Sat 18/105:30 p.m.LGA - YYZ
Nonstop1h 40mPorter Airlines
Sun 19/102:50 p.m.YYZ - LGA
Nonstop1h 40mPorter Airlines
Deal found 8/9C$ 265
Thu 16/109:55 a.m.LGA - YYZ
Nonstop1h 40mPorter Airlines
Fri 17/107:15 a.m.YYZ - LGA
Nonstop1h 40mPorter Airlines
Deal found 9/9C$ 266
Wed 1/108:55 p.m.LGA - YYZ
Nonstop1h 40mPorter Airlines
Tue 21/106:15 p.m.YYZ - LGA
Nonstop1h 40mPorter Airlines
Deal found 9/9C$ 267
Thu 2/109:55 a.m.LGA - YYZ
Nonstop1h 40mPorter Airlines
Mon 6/106:15 p.m.YYZ - LGA
Nonstop1h 40mPorter Airlines
Deal found 9/9C$ 269
Fri 31/106:15 a.m.LGA - YYZ
Nonstop1h 40mPorter Airlines
Wed 5/113:15 p.m.YYZ - LGA
Nonstop1h 40mPorter Airlines
Deal found 9/9C$ 272
Thu 2/107:05 a.m.LGA - YUL
Nonstop1h 24mAir Canada
Sun 5/106:35 a.m.YUL - LGA
Nonstop1h 27mAir Canada
Deal found 9/9C$ 288
Thu 30/106:05 a.m.LGA - YUL
Nonstop1h 27mAir Canada
Sat 1/118:00 p.m.YUL - LGA
Nonstop1h 33mAir Canada
Deal found 9/9C$ 292
Wed 12/111:05 p.m.LGA - YUL
Nonstop1h 27mAir Canada
Fri 14/118:00 p.m.YUL - LGA
Nonstop1h 33mAir Canada
Deal found 9/9C$ 295

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 11 September 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 - YTZ

LGAYTZ

New York LaGuardia

Wed 3/12

1:05 p.m.-5:55 p.m.

1 stop4h 50m

Toronto Island

Sun 7/12

8:30 a.m.-12:23 p.m.

1 stop3h 53m

C$ 302

New YorkMontreal

LGA - YUL

LGAYUL

New York LaGuardia

Thu 6/11

6:00 a.m.-3:16 p.m.

1 stop9h 16m

Montreal Pierre Elliott Trudeau Intl

Thu 6/11

5:30 p.m.-7:03 p.m.

Nonstop1h 33m

C$ 313

New YorkToronto

LGA - YYZ

LGAYYZ

New York LaGuardia

Fri 31/10

9:59 p.m.-11:39 p.m.

Nonstop1h 40m

Toronto Pearson Intl

Sun 2/11

5:04 a.m.-6:57 a.m.

Nonstop1h 53m

C$ 316

New YorkToronto

LGA - YYZ

LGAYYZ

New York LaGuardia

Wed 29/10

11:55 a.m.-1:40 p.m.

Nonstop1h 45m

Toronto Pearson Intl

Sun 2/11

5:04 a.m.-6:57 a.m.

Nonstop1h 53m

C$ 316

New YorkToronto

LGA - YYZ

LGAYYZ

New York LaGuardia

Thu 30/10

9:59 p.m.-11:39 p.m.

Nonstop1h 40m

Toronto Pearson Intl

Sun 2/11

5:04 a.m.-6:57 a.m.

Nonstop1h 53m

C$ 316

New YorkToronto

LGA - YYZ

LGAYYZ

New York LaGuardia

Wed 10/12

9:15 a.m.-4:02 p.m.

1 stop6h 47m

Toronto Pearson Intl

Wed 10/12

7:40 p.m.-11:44 p.m.

1 stop4h 04m

C$ 317

New YorkToronto

LGA - YTZ

LGAYTZ

New York LaGuardia

Sat 25/10

10:15 a.m.-2:45 p.m.

1 stop4h 30m

Toronto Island

Mon 27/10

12:30 p.m.-4:52 p.m.

1 stop4h 22m

C$ 320

New YorkToronto

LGA - YTZ

LGAYTZ

New York LaGuardia

Fri 21/11

1:05 p.m.-5:55 p.m.

1 stop4h 50m

Toronto Island

Tue 25/11

7:10 a.m.-12:23 p.m.

1 stop5h 13m

C$ 320

New YorkToronto

LGA - YYZ

LGAYYZ

New York LaGuardia

Tue 7/10

6:00 a.m.-11:20 a.m.

1 stop5h 20m

Toronto Pearson Intl

Wed 15/10

7:55 a.m.-9:33 a.m.

Nonstop1h 38m

C$ 328

New YorkToronto

LGA - YYZ

LGAYYZ

New York LaGuardia

Tue 28/10

9:35 a.m.-2:45 p.m.

1 stop5h 10m

Toronto Pearson Intl

Sun 2/11

5:04 a.m.-6:57 a.m.

Nonstop1h 53m

C$ 328

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/9

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, January is the cheapest month in which you can book a flight from New York LaGuardia Airport to Region of Ontario (average of C$ 168). 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 11 September 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 11 September 2025.

The most flights from LGA to CAON are scheduled on a Wednesday (52 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (31 on average).

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

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 11 September 2025.
Read through reviews of airlines operating flights from New York LaGuardia Airport to Ontario, such as Delta,Porter Airlines, andUnited Airlines. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very good
7,960 reviews
Check prices

Crew

8.5

Overall

8.0

Entertainment

7.9

Comfort

7.9

Food

7.3

Boarding

8.2

Reviews

1 / 20
10.0
Excellent

Kymberlee,Oct 2024

JFK - ATL

Overall it was good on the flight. Before the flight with checking the bag at JFK was a nightmare. It took way too long and the Delta concierge was very rude to everyone. But other than that it was fine.
Delta
8.0
Very good
7,960 reviews
Delta
8.0
Very good
7,960 reviews
Check prices

Crew

8.5

Overall

8.0

Entertainment

7.9

Comfort

7.9

Food

7.3

Boarding

8.2

Reviews

1 / 20
10.0
Excellent

Kymberlee,Oct 2024

JFK - ATL

Overall it was good on the flight. Before the flight with checking the bag at JFK was a nightmare. It took way too long and the Delta concierge was very rude to everyone. But other than that it was fine.
Porter Airlines
7.9
Good
363 reviews
Delta
8.0
Very good
7,960 reviews
Check prices

Crew

8.5

Overall

8.0

Entertainment

7.9

Comfort

7.9

Food

7.3

Boarding

8.2

Reviews

1 / 20
10.0
Excellent

Kymberlee,Oct 2024

JFK - ATL

Overall it was good on the flight. Before the flight with checking the bag at JFK was a nightmare. It took way too long and the Delta concierge was very rude to everyone. But other than that it was fine.
United Airlines
7.4
Good
8,937 reviews
Delta
8.0
Very good
7,960 reviews
Check prices

Crew

8.5

Overall

8.0

Entertainment

7.9

Comfort

7.9

Food

7.3

Boarding

8.2

Reviews

1 / 20
10.0
Excellent

Kymberlee,Oct 2024

JFK - ATL

Overall it was good on the flight. Before the flight with checking the bag at JFK was a nightmare. It took way too long and the Delta concierge was very rude to everyone. But other than that it was fine.
American Airlines
7.2
Good
10,000 reviews
Delta
8.0
Very good
7,960 reviews
Check prices

Crew

8.5

Overall

8.0

Entertainment

7.9

Comfort

7.9

Food

7.3

Boarding

8.2

Reviews

1 / 20
10.0
Excellent

Kymberlee,Oct 2024

JFK - ATL

Overall it was good on the flight. Before the flight with checking the bag at JFK was a nightmare. It took way too long and the Delta concierge was very rude to everyone. But other than that it was fine.
Air Canada
7.1
Good
10,000 reviews
Delta
8.0
Very good
7,960 reviews
Check prices

Crew

8.5

Overall

8.0

Entertainment

7.9

Comfort

7.9

Food

7.3

Boarding

8.2

Reviews

1 / 20
10.0
Excellent

Kymberlee,Oct 2024

JFK - ATL

Overall it was good on the flight. Before the flight with checking the bag at JFK was a nightmare. It took way too long and the Delta concierge was very rude to everyone. But other than that it was fine.

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 40m. Fly via Air Canada, Delta, or United Airlines to get the fastest option. The distance between New York LaGuardia Airport and Region of Ontario is about 573 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$ 137 on United Airlines. Other airlines that offer cheap prices include Delta from C$ 137 and Air Canada from C$ 164 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 - 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: Porter Airlines (81%), Air Transat (81%), KLM (79%).

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

    On average you can expect to pay C$ 412 for a flight from New York LaGuardia Airport to Region of Ontario. The cheapest flight overall is C$ 125 while the most popular route, (New York LaGuardia - Toronto Pearson Intl) is currently priced at C$ 252.

  • 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$ 168). 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

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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
LaGuardia to Pearson Intl flights
John F Kennedy Intl to Pearson Intl flights
Newark to Pearson Intl flights
Newark to Pierre Elliott Trudeau Intl flights
John F Kennedy Intl to Vancouver Intl flights
LaGuardia to Pierre Elliott Trudeau Intl flights
Newark to Vancouver Intl flights
John F Kennedy Intl to Pierre Elliott Trudeau Intl flights
LaGuardia to Vancouver Intl flights
Newark to Calgary flights
John F Kennedy Intl to Calgary flights
Newark to Québec City flights
Newark to Halifax flights
LaGuardia to Calgary flights
LaGuardia to Halifax flights
John F Kennedy Intl to Toronto Island flights
Newark to Ottawa flights
John F Kennedy Intl to Québec City flights
LaGuardia to Québec City flights
John F Kennedy Intl to Ottawa flights
LaGuardia to Ottawa flights
LaGuardia to Toronto Island flights
John F Kennedy Intl to Halifax flights
LaGuardia to Edmonton flights
Newark to Edmonton flights
John F Kennedy Intl to Edmonton flights
John F Kennedy Intl to Winnipeg flights
Newark to Winnipeg flights
LaGuardia to Winnipeg flights
LaGuardia to Kelowna flights
Newark to Kelowna flights
John F Kennedy Intl to Kelowna flights
Newark to Charlottetown flights
Newark to Hamilton flights
Newark to St. John's flights
John F Kennedy Intl to Regina flights
LaGuardia to St. John's flights
Newark to Victoria flights
LaGuardia to Regina flights
LaGuardia to Charlottetown flights
Newark to Regina 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 11 September 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapestC$ 142AverageC$ 290FlexibilityNo cancel feeOn-timeN/A
Search Delta flights
American AirlinesCheapestC$ 184AverageC$ 504FlexibilityNo cancel feeOn-time71%
Search American Airlines flights
Air CanadaCheapestC$ 197AverageC$ 534FlexibilityNo cancel feeOn-time67%
Search Air Canada flights
Air TransatCheapestC$ 236AverageC$ 366FlexibilityNo cancel feeOn-time50%
Search Air Transat flights
Porter AirlinesCheapestC$ 242AverageC$ 352FlexibilityNo cancel feeOn-time52%
Search Porter Airlines flights
United AirlinesCheapestC$ 263AverageC$ 386FlexibilityNo 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.

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