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$83+ Cheap flights from LaGuardia, NY (LGA) to Ontario

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 9/23. Fares are subject to change and may not be available on all flights or dates of travel.
LGA — YYZ
Jul 23 — Jul 301
Wed 7/23
Wed 7/30
1 adult, Economy
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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 July 18, 2025.

Round-trip from

$196
(Cheapflightsfares)

One-way from

$83
(Mytrip)

Popular in

November

Cheapest in

May

Average price

$265

Good round-trip deal

$246 or less

Good one-way deal

$148 or less
From New York LaGuardia to Ontario
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One-way flight from New York LaGuardia to Ontario
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Highest demand for flights based on searches. 13% potential increase in price ($40 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease ($8 potential savings vs. average RT price).
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Average for round-trip flights in July 2025
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Price to beat on a round-trip flight from New York LaGuardia to Ontario.
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Price to beat on a one-way flight from New York LaGuardia to Ontario.
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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 July 18, 2025.

This Cheapflightsfares deal was found by Cheapflights users on 7/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/46:15 amLGA - YYZ
Nonstop1h 40mPorter Airlines
Sat 9/67:15 amYYZ - LGA
Nonstop1h 40mPorter Airlines
Deal found 7/16$196
This Mytrip deal was found by Cheapflights users on 7/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/317:05 amLGA - YYZ
1 stop4h 35mMultiple Airlines
Sun 9/77:15 amYYZ - LGA
Nonstop1h 40mMultiple Airlines
Deal found 7/17$205
This Mytrip deal was found by Cheapflights users on 7/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/303:30 pmLGA - YTZ
1 stop6h 01mAir Canada
Sat 9/612:25 pmYTZ - LGA
1 stop4h 27mAir Canada
Deal found 7/16$217
This Booking.com deal was found by Cheapflights users on 7/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/48:45 amLGA - YUL
Nonstop1h 24mAir Canada
Sun 9/75:00 amYUL - LGA
1 stop4h 24mAir Canada
Deal found 7/14$221
This Cheapflightsfares deal was found by Cheapflights users on 7/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/69:55 amLGA - YUL
1 stop5h 22mPorter Airlines
Sat 9/1310:00 amYUL - LGA
1 stop6h 30mPorter Airlines
Deal found 7/17$224
This Mytrip deal was found by Cheapflights users on 7/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/227:10 pmLGA - YUL
Nonstop1h 32mMultiple Airlines
Thu 7/243:10 pmYUL - LGA
1 stop5h 55mMultiple Airlines
Deal found 7/14$230
This Flightnetwork deal was found by Cheapflights users on 7/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Flightnetwork is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/1610:30 amLGA - YYZ
Nonstop1h 35mAir Canada
Sat 8/236:25 pmYYZ - LGA
Nonstop1h 33mAir Canada
Deal found 7/16$235
This Mytrip deal was found by Cheapflights users on 7/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/411:40 amLGA - YOW
1 stop5h 24mMultiple Airlines
Sun 9/72:20 pmYOW - LGA
1 stop6h 45mMultiple Airlines
Deal found 7/14$259
This Trip.com deal was found by Cheapflights users on 7/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/35:30 pmLGA - YOW
1 stop6h 51mPorter Airlines
Sun 9/72:20 pmYOW - LGA
1 stop6h 45mPorter Airlines
Deal found 7/14$278
This Booking.com deal was found by Cheapflights users on 7/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/147:05 amLGA - YOW
1 stop3h 20mAir Canada
Sun 8/175:15 amYOW - LGA
1 stop4h 08mAir Canada
Deal found 7/16$306
This Air Canada deal was found by Cheapflights users on 7/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/1310:30 amLGA - YQG
1 stop4h 42mAir Canada
Mon 9/1510:05 amYQG - LGA
1 stop4h 50mAir Canada
Deal found 7/16$339
This Gotogate deal was found by Cheapflights users on 7/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/75:30 pmLGA - YQT
1 stop4h 45mPorter Airlines
Wed 8/137:00 amYQT - LGA
2 stops9h 30mPorter Airlines
Deal found 7/16$391

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 2,558,603 searches. Data last updated July 18, 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 9/4

6:15 am-7:55 am

Nonstop1h 40m

Toronto Pearson Intl

Sat 9/6

7:15 am-8:55 am

Nonstop1h 40m

$196

New YorkToronto

LGA - YYZ

LGAYYZ

New York LaGuardia

Sun 8/31

7:05 am-11:40 am

1 stop4h 35m

Toronto Pearson Intl

Sun 9/7

7:15 am-8:55 am

Nonstop1h 40m

$205

New YorkToronto

LGA - YTZ

LGAYTZ

New York LaGuardia

Sat 8/30

3:30 pm-9:31 pm

1 stop6h 01m

Toronto Island

Sat 9/6

12:25 pm-4:52 pm

1 stop4h 27m

$217

New YorkMontreal

LGA - YUL

LGAYUL

New York LaGuardia

Thu 9/4

8:45 am-10:09 am

Nonstop1h 24m

Montreal Pierre Elliott Trudeau Intl

Sun 9/7

5:00 am-9:24 am

1 stop4h 24m

$221

New YorkMontreal

LGA - YUL

LGAYUL

New York LaGuardia

Sat 9/6

9:55 am-3:17 pm

1 stop5h 22m

Montreal Pierre Elliott Trudeau Intl

Sat 9/13

10:00 am-4:30 pm

1 stop6h 30m

$224

New YorkMontreal

LGA - YUL

LGAYUL

New York LaGuardia

Sat 8/9

7:10 pm-8:42 pm

Nonstop1h 32m

Montreal Pierre Elliott Trudeau Intl

Fri 8/15

3:10 pm-9:05 pm

1 stop5h 55m

$239

New YorkMontreal

LGA - YUL

LGAYUL

New York LaGuardia

Mon 9/8

8:29 am-9:58 am

Nonstop1h 29m

Montreal Pierre Elliott Trudeau Intl

Wed 9/10

10:38 am-12:06 pm

Nonstop1h 28m

$240

New YorkToronto

LGA - YYZ

LGAYYZ

New York LaGuardia

Thu 9/4

7:05 am-1:03 pm

2 stops5h 58m

Toronto Pearson Intl

Thu 9/4

4:30 pm-9:30 pm

1 stop5h 00m

$245

New YorkOttawa

LGA - YOW

LGAYOW

New York LaGuardia

Thu 9/4

11:40 am-5:04 pm

1 stop5h 24m

Ottawa

Sun 9/7

2:20 pm-9:05 pm

1 stop6h 45m

$259

New YorkOttawa

LGA - YOW

LGAYOW

New York LaGuardia

Wed 9/3

5:30 pm-12:21 am

1 stop6h 51m

Ottawa

Sun 9/7

2:20 pm-9:05 pm

1 stop6h 45m

$278

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/16

Showing 1-10 of 56 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 $243). Flying from New York LaGuardia Airport to Region of Ontario in July is currently the most expensive (average of $350). 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 July 18, 2025.

When flying from New York LaGuardia Airport to Region of Ontario, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

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 July 18, 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 (25 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 July 18, 2025.
Read reviews from past customers who have flown Porter Airlines, Delta, and Air Transat from New York LaGuardia Airport to Ontario. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Porter Airlines
8.0
Very good
311 reviews

Food

7.6

Crew

8.7

Entertainment

7.0

Boarding

8.2

Comfort

8.1

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Shawn,Jul 2025

EWR - YTZ

First time flying with porter and had an amazing experience. Will definitely use you guys whenever I get the chance. For context I had a flight from EWR to YTZ at 12:00pm. When I arrived early at 09:30 they put me on standby for the 10:00am, which I was able to make
Porter Airlines
8.0
Very good
311 reviews
Porter Airlines
8.0
Very good
311 reviews

Food

7.6

Crew

8.7

Entertainment

7.0

Boarding

8.2

Comfort

8.1

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Shawn,Jul 2025

EWR - YTZ

First time flying with porter and had an amazing experience. Will definitely use you guys whenever I get the chance. For context I had a flight from EWR to YTZ at 12:00pm. When I arrived early at 09:30 they put me on standby for the 10:00am, which I was able to make
Delta
8.0
Very good
7,958 reviews
Porter Airlines
8.0
Very good
311 reviews

Food

7.6

Crew

8.7

Entertainment

7.0

Boarding

8.2

Comfort

8.1

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Shawn,Jul 2025

EWR - YTZ

First time flying with porter and had an amazing experience. Will definitely use you guys whenever I get the chance. For context I had a flight from EWR to YTZ at 12:00pm. When I arrived early at 09:30 they put me on standby for the 10:00am, which I was able to make
Air Transat
7.7
Good
416 reviews
Porter Airlines
8.0
Very good
311 reviews

Food

7.6

Crew

8.7

Entertainment

7.0

Boarding

8.2

Comfort

8.1

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Shawn,Jul 2025

EWR - YTZ

First time flying with porter and had an amazing experience. Will definitely use you guys whenever I get the chance. For context I had a flight from EWR to YTZ at 12:00pm. When I arrived early at 09:30 they put me on standby for the 10:00am, which I was able to make
United Airlines
7.4
Good
8,864 reviews
Porter Airlines
8.0
Very good
311 reviews

Food

7.6

Crew

8.7

Entertainment

7.0

Boarding

8.2

Comfort

8.1

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Shawn,Jul 2025

EWR - YTZ

First time flying with porter and had an amazing experience. Will definitely use you guys whenever I get the chance. For context I had a flight from EWR to YTZ at 12:00pm. When I arrived early at 09:30 they put me on standby for the 10:00am, which I was able to make
American Airlines
7.2
Good
10,000 reviews
Porter Airlines
8.0
Very good
311 reviews

Food

7.6

Crew

8.7

Entertainment

7.0

Boarding

8.2

Comfort

8.1

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Shawn,Jul 2025

EWR - YTZ

First time flying with porter and had an amazing experience. Will definitely use you guys whenever I get the chance. For context I had a flight from EWR to YTZ at 12:00pm. When I arrived early at 09:30 they put me on standby for the 10:00am, which I was able to make

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?

    The cheapest airlines for a one-way flight from New York LaGuardia Airport to Region of Ontario are Air Canada ($83), Porter Airlines ($88), and Delta ($102).

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

    While some choose either New York LaGuardia - Montreal Pierre Elliott Trudeau Intl or New York LaGuardia - Toronto Island, New York LaGuardia - Toronto Pearson Intl is the most popular route from New York LaGuardia Airport to Region of Ontario.

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

    No one likes to see their flight delayed. When booking a flight from New York LaGuardia Airport to Region of Ontario consider choosing KLM (82%), Porter Airlines (81%) or Air Transat (81%) as they are the most reliable in getting you off to your destination on time.

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

    While on average a flight from New York LaGuardia Airport to Region of Ontario is generally $926, our data shows the cheapest flight currently is $90. When looking at the most popular route, (New York LaGuardia - Toronto Pearson Intl), you can expect to pay $194 for that flight.

  • 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 $243). Flying from New York LaGuardia Airport to Region of Ontario in July is currently the most expensive (average of $350). 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.

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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.
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Newark to Toronto Island flights
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Top 7 airlines flying from LaGuardia to Ontario

Discover the top 7 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 2,558,603 searches. Data last updated July 18, 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$101Average$285FlexibilityNo cancel feeOn-timeN/A
Flair AirlinesCheapest$104Average$238FlexibilityNo cancel feeOn-timeN/A
Air CanadaCheapest$120Average$466FlexibilityNo cancel feeOn-time67%
United AirlinesCheapest$143Average$301FlexibilityNo cancel feeOn-time69%
Porter AirlinesCheapest$167Average$294FlexibilityNo cancel feeOn-time52%
Air TransatCheapest$169Average$259FlexibilityNo cancel feeOn-time50%
American AirlinesCheapest$184Average$337FlexibilityNo cancel feeOn-time71%

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