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Cheap flights from Ontario to New York LaGuardia Airport from $106

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Ontario to New York LaGuardia Airport departing on 5/28. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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0 bags

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Find the cheapest flights from Ontario to New York

Cheap round-trip flights

KAYAK's recommended round-trip deals from the most popular airlines that fly from Ontario to New York.
Frontier Logo
12:59 am - 10:10 pmONT-LGA
18h 11m1 stop
Frontier Logo
10:59 pm - 9:21 amLGA-ONT
13h 22m1 stop
$199Frontier
Find Deal
Mon, Jun 2 - Tue, Jun 10
Frontier Logo
5:21 pm - 10:10 pmONT-LGA
25h 49m1 stop
Frontier Logo
9:55 pm - 9:12 amLGA-ONT
14h 17m1 stop
$201Frontier
Find Deal
Wed, May 28 - Sat, May 31
Delta Logo
12:00 pm - 11:43 pmONT-LGA
8h 43m1 stop
Delta Logo
1:00 pm - 7:42 pmLGA-ONT
9h 42m1 stop
$277Delta
Find Deal
Wed, Oct 1 - Tue, Oct 21
Delta Logo
10:59 pm - 10:44 amONT-LGA
8h 45m1 stop
Delta Logo
1:45 pm - 10:41 pmLGA-ONT
11h 56m2 stops
$282Delta
Find Deal
Wed, Oct 1 - Tue, Oct 21
American Airlines Logo
11:09 pm - 9:00 amONT-LGA
6h 51m1 stop
American Airlines Logo
8:30 am - 1:36 pmLGA-ONT
8h 06m1 stop
$302American Airlines
Find Deal
Fri, Oct 3 - Wed, Oct 8
American Airlines Logo
10:40 pm - 10:59 amONT-LGA
9h 19m1 stop
American Airlines Logo
2:19 pm - 9:05 pmLGA-ONT
9h 46m1 stop
$313American Airlines
Find Deal
Tue, May 20 - Sat, May 24
Southwest Logo
6:30 am - 6:10 pmONT-LGA
8h 40m1 stop
Southwest Logo
6:15 am - 1:05 pmLGA-ONT
9h 50m1 stop
$367Southwest
Find Deal
Wed, Sep 24 - Sun, Oct 5
Southwest Logo
8:50 am - 10:30 pmONT-LGA
10h 40m1 stop
Southwest Logo
6:30 am - 12:40 pmLGA-ONT
9h 10m2 stops
$373Southwest
Find Deal
Thu, Sep 18 - Mon, Sep 22
United Airlines Logo
6:08 am - 7:09 pmONT-LGA
10h 01m1 stop
United Airlines Logo
3:25 pm - 10:26 pmLGA-ONT
10h 01m1 stop
$382United Airlines
Find Deal
Wed, May 21 - Wed, May 28
United Airlines Logo
6:08 am - 7:09 pmONT-LGA
10h 01m1 stop
United Airlines Logo
7:00 am - 12:31 pmLGA-ONT
8h 31m1 stop
$387United Airlines
Find Deal
Wed, May 21 - Sun, May 25

Delta flights from Ontario to New York LaGuardia Airport

Our best Delta deals on Ontario to New York LaGuardia Airport flight tickets
Delta
Oct 1
ONT12:00 pmOntario
8h 43m
1 stop
LGA11:43 pmNew York LaGuardia
Oct 21
LGA1:00 pmNew York LaGuardia
9h 42m
1 stop
ONT7:42 pmOntario
Delta
Oct 1
ONT10:59 pmOntario
8h 45m
1 stop
LGA10:44 amNew York LaGuardia
Oct 21
LGA1:45 pmNew York LaGuardia
11h 56m
2 stops
ONT10:41 pmOntario
Delta
May 20
ONT7:05 amOntario
7h 42m
1 stop
LGA5:47 pmNew York LaGuardia
May 31
LGA6:00 amNew York LaGuardia
8h 08m
1 stop
ONT11:08 amOntario

Southwest flights from Ontario to New York LaGuardia Airport

Our best Southwest deals on Ontario to New York LaGuardia Airport flight tickets
Southwest
Sep 24
ONT6:30 amOntario
8h 40m
1 stop
LGA6:10 pmNew York LaGuardia
Oct 5
LGA6:15 amNew York LaGuardia
9h 50m
1 stop
ONT1:05 pmOntario
Southwest
Sep 18
ONT8:50 amOntario
10h 40m
1 stop
LGA10:30 pmNew York LaGuardia
Sep 22
LGA6:30 amNew York LaGuardia
9h 10m
2 stops
ONT12:40 pmOntario
Southwest
May 11
ONT5:15 amOntario
7h 40m
1 stop
LGA3:55 pmNew York LaGuardia
May 13
LGA3:45 pmNew York LaGuardia
10h 15m
2 stops
ONT11:00 pmOntario

See travel insights to New York from

How to get the cheapest flight ticket from Ontario to New York LaGuardia Airport

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the cheapest month to fly to New York LaGuardia Airport?

The cheapest month to fly to New York LaGuardia Airport from Ontario is in September. Flight prices, which tend to average around $318, are often lower during this time because this is during the off-season. If you don’t want to visit New York LaGuardia Airport in September, then you should wait until April to fly from Ontario, when ticket prices are also cheap, with an average price of $366.

What is the cheapest day to depart on your flight to New York LaGuardia Airport?

The cheapest day to depart on your flight to New York LaGuardia Airport is on a Monday when prices can be found for as low as $330. This is often the case because there is less demand to fly during this day of the week. Flights from Ontario to New York LaGuardia Airport on a Sunday will generally be more expensive and average around $398. Keep in mind that these prices on both days could fluctuate depending on the season and the demand.

What is the cheapest time of day to depart on your flight to New York LaGuardia Airport?

Our data shows that the cheapest Ontario to New York LaGuardia Airport flights are usually those with departure times in the afternoon. Our users have found flights to New York LaGuardia Airport in the afternoon for as low as $306. Flights at noon are often more expensive with an average ticket price of $412.

How far in advance should I book a flight to New York LaGuardia Airport?

You are more likely to see cheaper flights to New York LaGuardia Airport from Ontario when booking 18 weeks ahead of your departure date. In general, you can expect to find flights to New York LaGuardia Airport for around $422 when searching 18 weeks out.However, flight prices might be lower outside of this timeframe. For example, people recently found flights to New York LaGuardia Airport from Ontario for as low as $313 on momondo.

How have Ontario to New York LaGuardia Airport flight prices changed over time?

As of April 2025, prices for Ontario to New York LaGuardia Airport flights are approximately 6% more expensive when compared to flights at the same time last year.

When to book flights from Ontario to New York LaGuardia Airport

Are you open to changing your travel dates? Check out the ideal times to fly from Ontario to New York LaGuardia Airport according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap Ontario to New York LaGuardia Airport (ONT to LGA) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Ontario to New York LaGuardia Airport

Best Price Found

$106

Fastest flight time

6h 51m

Direct flights

None
The best one-way flight to New York LaGuardia Airport from Ontario in the past 72 hours is $106. The best round-trip flight deal from Ontario to New York LaGuardia Airport found on momondo in the last 72 hours is $199.
The fastest flight from Ontario to New York LaGuardia Airport takes 6h 51m
There are no direct flights from Ontario to New York LaGuardia Airport. Popular non-direct route for this connection is Ontario Airport - New York LaGuardia Airport.

  • How far is Ontario to New York LaGuardia by plane?

    There are 2419.3 mi between Ontario and New York LaGuardia. Typically, this will take 6h 51m by plane in normal conditions.

  • When did momondo last update prices for flights from Ontario Airport to New York LaGuardia Airport?

    Prices for flights from Ontario Airport to New York LaGuardia Airport are updated daily.

  • How many operators does momondo search for flights from Ontario Airport to New York LaGuardia Airport?

  • How old do you have to be to fly from Ontario Airport to New York LaGuardia Airport?

    The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Ontario Airport to New York LaGuardia Airport.

  • What documentation or ID do you need to fly to New York LaGuardia Airport?

    The necessary travel and health documents for your New York LaGuardia Airport trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

  • What is the most popular plane model from Ontario to New York LaGuardia Airport?

  • What is the most popular airline from Ontario to New York LaGuardia Airport?


Best airlines flying from Ontario to New York LaGuardia Airport

Compare and see reviews for airlines that fly from Ontario to New York LaGuardia Airport with momondo
Airline
Rating
Free Cancellation
Price
FrontierPriceFrom $128Free CancellationRating
5.9
3,285 reviews
Search Frontier flights
American AirlinesPriceFrom $239Free CancellationRating
7.2
10,000 reviews
Search American Airlines flights
United AirlinesPriceFrom $266Free CancellationRating
7.4
8,694 reviews
Search United Airlines flights
DeltaPriceFrom $275Free CancellationRating
8.0
7,927 reviews
Search Delta flights
SouthwestPriceFrom $296Free CancellationRating
8.0
4,292 reviews
Search Southwest flights

Traveling to a place near New York?

Book flights to New York if you plan to visit one of these locations
Queens
Bronx
Yonkers
Seaside Heights
Stamford
Pocono Manor
Parsippany
Elizabeth
Tannersville
Long Branch
Secaucus
North Bergen
East Stroudsburg
Staten Island
Asbury Park
Mount Laurel
Stroudsburg
Middletown
East Rutherford
Danbury

Why use momondo?

Why should I use momondo to find a flight deal from Ontario to New York?

momondo compares prices from hundreds of airlines and agents so you can find and book the best deal on flights from Ontario to New York. Millions of users trust and use momondo every year so you are in good hands.

Can I find flights from Ontario to New York with flexible booking policies on momondo?

All flight searches from Ontario to New York on momondo can be filtered to show those which offer flexible booking policies.

How can momondo help me find flights from Ontario to New York?

momondo offers useful filters to help you find the right flight. Choose specific flight times, airports or even what payment method you prefer. We have numerous options to help you book your ideal flight from Ontario to New York.

I’m not ready to book a flight from Ontario to New York right now. Can momondo alert me if prices change?

If you are not ready to book a flight from Ontario to New York now, use our insights above to find helpful tips or alternatively set up a price alert, where momondo will track prices on flights to New York and let you know when they change.


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