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LaGuardia

$89+ Cheap flights from Ontario (ONT) to LaGuardia, NY (LGA)

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.
ONT — LGA
Mar 8 — Mar 151
Sat 3/8
Sat 3/15
1 adult, Economy
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1. Tell us where you want to go
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The best prices from Ontario to New York LaGuardia are usually found in September or February, booked 39 days in advance, depart on a Tuesday or Friday and return on a Thursday

Cheap flight deals from Ontario to LaGuardia

Discover tips and strategies to find the most affordable flight options for your journey from Ontario (ONT) to LaGuardia (LGA). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated March 3, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$170
(Frontier)

One-way from

$89
(Trip.com)

Popular in

December

Cheapest in

September

Average price

$434
Provider with most accurate pricing for Ontario-New York LaGuardia flight deals.
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Provider most trusted by Cheapflights users for Ontario-New York LaGuardia flights.
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From Ontario to New York LaGuardia
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One-way flight from Ontario to New York LaGuardia
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Highest demand for flights based on searches. 10% potential increase in price ($46 potential increase over avg. RT price).
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Cheapest flight prices on average. 3% potential price decrease ($15 potential savings vs. average RT price).
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Average for round-trip flights in March 2025
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Find flight deals from Ontario to LaGuardia

Cheapest flights from Ontario to LaGuardia
Explore the most affordable flight options available from Ontario to LaGuardia. Find the lowest fares from popular airlines and budget airlines, with prices last updated on March 3, 2025.

This Frontier deal was found by Cheapflights users on 3/2. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/911:23 amONT - LGA
1 stop7h 37mFrontier
Wed 4/1610:59 pmLGA - ONT
1 stop11h 30mFrontier
Deal found 3/2$170
This American Airlines deal was found by Cheapflights users on 3/3. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/146:01 amONT - LGA
1 stop9h 58mAmerican Airlines
Wed 5/211:59 pmLGA - ONT
1 stop10h 06mAmerican Airlines
Deal found 3/3$267
This Delta deal was found by Cheapflights users on 3/3. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/1410:15 pmONT - LGA
1 stop6h 54mDelta
Tue 4/221:59 pmLGA - ONT
1 stop8h 29mDelta
Deal found 3/3$276
This Southwest deal was found by Cheapflights users on 3/2. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/308:55 amONT - LGA
1 stop11h 30mSouthwest
Mon 5/53:45 pmLGA - ONT
2 stops10h 15mSouthwest
Deal found 3/2$308
This United Airlines deal was found by Cheapflights users on 3/2. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/16:10 amONT - LGA
1 stop7h 27mUnited Airlines
Tue 4/82:00 pmLGA - ONT
1 stop10h 58mUnited Airlines
Deal found 3/2$367

Find flights from Ontario to LaGuardia within your budget

Customize your flight search to find flights from Ontario to LaGuardia 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 March 3, 2025.

Fly from

Ontario

Fly to

LaGuardia

Route

Depart

Return

Price

OntarioNew York

ONT - LGA

ONTLGA

Ontario

Wed 4/9

11:23 am-10:00 pm

1 stop7h 37m

New York LaGuardia

Wed 4/16

10:59 pm-7:29 am

1 stop11h 30m

$170

OntarioNew York

ONT - LGA

ONTLGA

Ontario

Wed 5/14

7:30 am-8:39 pm

1 stop10h 09m

New York LaGuardia

Wed 5/21

12:59 pm-9:05 pm

1 stop11h 06m

$267

OntarioNew York

ONT - LGA

ONTLGA

Ontario

Mon 4/14

10:15 pm-8:09 am

1 stop6h 54m

New York LaGuardia

Tue 4/22

1:59 pm-7:28 pm

1 stop8h 29m

$276

OntarioNew York

ONT - LGA

ONTLGA

Ontario

Mon 4/28

9:05 pm-9:05 am

2 stops9h 00m

New York LaGuardia

Thu 5/1

9:45 pm-9:20 am

1 stop14h 35m

$308

OntarioNew York

ONT - LGA

ONTLGA

Ontario

Tue 4/1

6:10 am-7:07 pm

1 stop9h 57m

New York LaGuardia

Tue 4/8

3:29 pm-8:42 pm

1 stop8h 13m

$367

OntarioNew York

ONT - LGA

ONTLGA

Ontario

Mon 4/7

9:31 am-10:00 pm

1 stop9h 29m

$89

OntarioNew York

ONT - LGA

ONTLGA

Ontario

Tue 4/22

6:00 am-4:04 pm

1 stop7h 04m

$134

OntarioNew York

ONT - LGA

ONTLGA

Ontario

Tue 4/1

12:46 pm-10:40 pm

1 stop6h 54m

$138

OntarioNew York

ONT - LGA

ONTLGA

Ontario

Tue 4/1

6:10 am-4:37 pm

1 stop7h 27m

$184

OntarioNew York

ONT - LGA

ONTLGA

Ontario

Tue 4/22

7:00 am-5:04 pm

1 stop7h 04m

$227

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/1

Showing 1-10 of 11 results
1
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Compare providers for flights from Ontario to LaGuardia

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Ontario to LaGuardia in March.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*3 stars
eDreamsPrice Accuracy3 starsTrust Score*3 stars
PricelinePrice Accuracy1 starTrust Score*3 stars
MytripPrice Accuracy3 starsTrust Score*3 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on Ontario-New York LaGuardia Airport flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Ontario-New York LaGuardia Airport flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Ontario-New York LaGuardia Airport flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Ontario-New York LaGuardia Airport flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Ontario-New York LaGuardia Airport flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

Best time to book a flight from Ontario to LaGuardia

Have a flexible travel schedule? Discover the best time to fly to LaGuardia from Ontario 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.

Travel insights for flights from Ontario to LaGuardia

Get recent, data-driven insights about flights from Ontario to LaGuardia including ideal travel times, pricing trends, and more.

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

Use this chart to determine the optimal time to book a round-trip flight from Ontario to LaGuardia. Price data was last updated on February 28, 2025.

To ensure you get the cheapest price possible for a flight from Ontario to New York LaGuardia Airport, you should look to book at least 39 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 month to book a flight from Ontario to New York LaGuardia Airport?

Currently, January is the cheapest month in which you can book a flight from Ontario to New York LaGuardia Airport (average of $199). Flying from Ontario to New York LaGuardia Airport in March is currently the most expensive (average of $269). 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 ONT to LGA?

Find hourly flight availability from Ontario to LaGuardia. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated March 3, 2025.

A simple way to save on the total cost of your ticket is to fly from Ontario to New York LaGuardia Airport 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.

Rainfall in LaGuardia by month

Plan your trip to LaGuardia by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in New York LaGuardia Airport ranges from 2.8 - 4.5 inches per month. July is typically the wettest month, when rainfall can reach 4.5 in. February is typically the driest time to visit New York LaGuardia Airport when rainfall is around 2.8 in.

Temperature in LaGuardia by month

Plan your trip to LaGuardia by taking into account the average temperature totals by month.

If weather is an important factor for your trip to New York LaGuardia Airport, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 77.0 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 33.8 F).

Reviews of airlines servicing LaGuardia

Get insights into the airlines that provide service to LaGuardia. 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 LaGuardia. Reviews last updated March 3, 2025.
To help decide which airline to fly from Ontario to New York, see what other customers have to say about Southwest, Alaska Airlines and Delta. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
Southwest
8.1
Very good
4,333 reviews

Boarding

8.2

Entertainment

7.6

Comfort

8.1

Food

7.1

Overall

8.1

Crew

8.7

Reviews

1 / 20

10.0
Excellent

Merlyn,Feb 2025

LAX - SMF

New Terminal is neat, lost of stores and places to catch a bite.

Southwest
8.1
Very good
4,333 reviews
Southwest
8.1
Very good
4,333 reviews

Boarding

8.2

Entertainment

7.6

Comfort

8.1

Food

7.1

Overall

8.1

Crew

8.7

Reviews

1 / 20

10.0
Excellent

Merlyn,Feb 2025

LAX - SMF

New Terminal is neat, lost of stores and places to catch a bite.

Alaska Airlines
8.0
Very good
9,710 reviews
Southwest
8.1
Very good
4,333 reviews

Boarding

8.2

Entertainment

7.6

Comfort

8.1

Food

7.1

Overall

8.1

Crew

8.7

Reviews

1 / 20

10.0
Excellent

Merlyn,Feb 2025

LAX - SMF

New Terminal is neat, lost of stores and places to catch a bite.

Delta
8.0
Very good
8,068 reviews
Southwest
8.1
Very good
4,333 reviews

Boarding

8.2

Entertainment

7.6

Comfort

8.1

Food

7.1

Overall

8.1

Crew

8.7

Reviews

1 / 20

10.0
Excellent

Merlyn,Feb 2025

LAX - SMF

New Terminal is neat, lost of stores and places to catch a bite.

United Airlines
7.4
Good
8,679 reviews
Southwest
8.1
Very good
4,333 reviews

Boarding

8.2

Entertainment

7.6

Comfort

8.1

Food

7.1

Overall

8.1

Crew

8.7

Reviews

1 / 20

10.0
Excellent

Merlyn,Feb 2025

LAX - SMF

New Terminal is neat, lost of stores and places to catch a bite.

American Airlines
7.2
Good
10,000 reviews
Southwest
8.1
Very good
4,333 reviews

Boarding

8.2

Entertainment

7.6

Comfort

8.1

Food

7.1

Overall

8.1

Crew

8.7

Reviews

1 / 20

10.0
Excellent

Merlyn,Feb 2025

LAX - SMF

New Terminal is neat, lost of stores and places to catch a bite.

Related info for your journey

Find useful and relevant information for your journey from Ontario to LaGuardia. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly from for flights from Ontario to New York LaGuardia?

    If you book a flight to New York LaGuardia from Ontario, you will be flying from Ontario, which is the city’s only airport. Ontario (ONT) is located 3.1 mi from the center of Ontario. There are 0 flights from Ontario to New York LaGuardia per day from 6 different airlines.

  • What are the cheapest airlines flying from Ontario to New York LaGuardia Airport round-trip?

    According to our current data, Frontier ($170), American Airlines ($267), and Delta ($276) offers the cheapest pricing from Ontario to New York LaGuardia Airport. Frontier is 59% cheaper than the average price of flights available within the next 90 days to this destination.

  • What are the cheapest airlines to fly from Ontario to New York LaGuardia Airport one-way?

    The cheapest airline one-way is Frontier, with whom users have recently found tickets for as low as $89. However, be on the lookout for offers from American Airlines and Delta, as they are both options that can get you from Ontario to New York LaGuardia Airport for a low price.

  • Can I find deals for flights from Ontario to LaGuardia that include hotel bookings?

    Yes. In addition to deals on Ontario to LaGuardia flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Ontario to LaGuardia?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Ontario to LaGuardia.

  • Can I find deals for business class flights from Ontario to LaGuardia?

    Yes. Cheapflights offers flight deals from Ontario to LaGuardia 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 Ontario to New York LaGuardia Airport?

    Currently, January is the cheapest month in which you can book a flight from Ontario to New York LaGuardia Airport (average of $199). Flying from Ontario to New York LaGuardia Airport in March is currently the most expensive (average of $269). 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

Traveling to a place near Ontario?

Book flights to Ontario if you plan to visit one of these locations
Queens
Bronx
Woodbridge
Elizabeth
Staten Island
Yonkers
Secaucus
Ronkonkoma
Parsippany
East Rutherford
Tannersville
Stamford
East Brunswick
Absecon
Carteret
Carle Place
Fairfield
Mount Laurel
North Bergen
Saddle Brook

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Top 6 airlines flying from Ontario to LaGuardia

Discover the top 6 airlines that operate flights from Ontario to LaGuardia. 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 March 3, 2025.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$128Average$256FlexibilityNo cancel feeOn-time62%
Spirit AirlinesCheapest$172Average$291FlexibilityNo cancel feeOn-time65%
American AirlinesCheapest$239Average$420FlexibilityNo cancel feeOn-time71%
DeltaCheapest$275Average$407FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$278Average$482FlexibilityNo cancel feeOn-time69%
SouthwestCheapest$308Average$448FlexibilityNo cancel feeOn-time63%
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