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Cheap flights from Ontario to New York from $130

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 departing on 4/15. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
1 adult, Economy, 0 bags

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Find the cheapest flights from Ontario to New York

Cheap round-trip flights

Enter your travel dates to find the best prices.
Multiple Airlines Logo
12:59 am - 10:00 pm
ONT
-
LGA
18h 01m
2 stops
Multiple Airlines Logo
11:59 am - 7:35 am
LGA
-
ONT
22h 36m
1 stop
$280Multiple Airlines
Mon, Apr 20 - Tue, May 5
United Airlines Logo
5:10 am - 5:23 pm
ONT
-
LGA
9h 13m
1 stop
United Airlines Logo
5:15 pm - 10:31 pm
LGA
-
ONT
8h 16m
1 stop
$281United Airlines
Wed, Apr 22 - Sat, Apr 25
Southwest Logo
6:10 am - 3:55 pm
ONT
-
LGA
6h 45m
1 stop
Southwest Logo
7:25 am - 2:55 pm
LGA
-
ONT
10h 30m
2 stops
$282Southwest
Sat, May 9 - Tue, May 12
Frontier Logo
8:00 am - 10:04 pm
ONT
-
LGA
11h 04m
1 stop
Frontier Logo
10:55 pm - 11:55 pm
LGA
-
ONT
28h 00m
2 stops
$283Frontier
Sat, Apr 25 - Mon, Apr 27
Multiple Airlines Logo
8:26 am - 11:26 pm
ONT
-
LGA
12h 00m
1 stop
Multiple Airlines Logo
10:55 pm - 11:55 pm
LGA
-
ONT
28h 00m
2 stops
$284Multiple Airlines
Thu, Apr 16 - Mon, Apr 20
Multiple Airlines Logo
8:26 am - 11:26 pm
ONT
-
LGA
12h 00m
1 stop
Multiple Airlines Logo
10:55 pm - 11:55 pm
LGA
-
ONT
28h 00m
2 stops
$285Multiple Airlines
Thu, Apr 23 - Mon, Apr 27
Delta Logo
12:49 pm - 11:41 pm
ONT
-
LGA
7h 52m
1 stop
Delta Logo
2:59 pm - 10:43 pm
LGA
-
ONT
10h 44m
2 stops
$286Delta
Wed, Apr 22 - Sat, Apr 25
Delta Logo
10:15 pm - 9:39 am
ONT
-
LGA
8h 24m
1 stop
Delta Logo
12:00 pm - 6:33 pm
LGA
-
ONT
9h 33m
1 stop
$287Delta
Fri, Apr 24 - Sat, May 2
Multiple Airlines Logo
8:26 am - 11:14 pm
ONT
-
LGA
11h 48m
2 stops
Multiple Airlines Logo
7:59 pm - 4:38 pm
LGA
-
ONT
23h 39m
1 stop
$288Multiple Airlines
Thu, Apr 23 - Sun, May 3
Delta Logo
10:15 pm - 9:39 am
ONT
-
LGA
8h 24m
1 stop
Delta Logo
6:00 am - 11:36 am
LGA
-
ONT
8h 36m
1 stop
$289Delta
Fri, Apr 24 - Sat, May 2

Delta flights from Ontario to New York LaGuardia Airport

Our best Delta deals on Ontario to New York LaGuardia Airport flight tickets
Delta
Apr 24
ONT10:15 pmOntario
8h 24m
1 stop
LGA9:39 amNew York LaGuardia
May 2
LGA12:00 pmNew York LaGuardia
9h 33m
1 stop
ONT6:33 pmOntario
$287
Delta
Apr 24
ONT10:15 pmOntario
8h 24m
1 stop
LGA9:39 amNew York LaGuardia
Apr 28
LGA4:00 pmNew York LaGuardia
8h 00m
1 stop
ONT9:00 pmOntario
$289
Delta
Apr 24
ONT10:15 pmOntario
8h 24m
1 stop
LGA9:39 amNew York LaGuardia
May 2
LGA6:00 amNew York LaGuardia
8h 36m
1 stop
ONT11:36 amOntario
$290

United Airlines flights from Ontario to New York LaGuardia Airport

Our best United Airlines deals on Ontario to New York LaGuardia Airport flight tickets
United Airlines
Apr 22
ONT5:10 amOntario
9h 13m
1 stop
LGA5:23 pmNew York LaGuardia
Apr 25
LGA5:15 pmNew York LaGuardia
8h 16m
1 stop
ONT10:31 pmOntario
$281
United Airlines
Apr 18
ONT5:10 amOntario
7h 40m
1 stop
LGA3:50 pmNew York LaGuardia
Apr 21
LGA7:10 amNew York LaGuardia
8h 28m
1 stop
ONT12:38 pmOntario
$328
United Airlines
Apr 7
ONT5:10 amOntario
9h 13m
1 stop
LGA5:23 pmNew York LaGuardia
Apr 25
LGA6:10 amNew York LaGuardia
9h 28m
2 stops
ONT12:38 pmOntario
$339

momondo Fare Finder

 
Customize your flight search to find flights from Ontario to New York LaGuardia Airport 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, momondo users made 832,500 searches. Data last updated April 4, 2026.
Use the filters below to find and compare flights from Ontario to New York LaGuardia Airport that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

OntarioNew York

ONT - LGA

ONTLGA

Ontario

Mon 4/20

12:59 am-10:00 pm

2 stops18h 01m

New York LaGuardia

Tue 5/5

11:59 am-7:35 am

1 stop22h 36m

$280

OntarioNew York

ONT - LGA

ONTLGA

Ontario

Wed 4/22

5:10 am-5:23 pm

1 stop9h 13m

New York LaGuardia

Sat 4/25

5:15 pm-10:31 pm

1 stop8h 16m

$281

OntarioNew York

ONT - LGA

ONTLGA

Ontario

Sat 5/9

6:10 am-3:55 pm

1 stop6h 45m

New York LaGuardia

Tue 5/12

7:25 am-2:55 pm

2 stops10h 30m

$282

OntarioNew York

ONT - LGA

ONTLGA

Ontario

Sat 4/25

8:00 am-10:04 pm

1 stop11h 04m

New York LaGuardia

Mon 4/27

10:55 pm-11:55 pm

2 stops28h 00m

$283

OntarioNew York

ONT - LGA

ONTLGA

Ontario

Thu 4/16

8:26 am-11:26 pm

1 stop12h 00m

New York LaGuardia

Mon 4/20

10:55 pm-11:55 pm

2 stops28h 00m

$284

OntarioNew York

ONT - LGA

ONTLGA

Ontario

Thu 4/23

8:26 am-11:26 pm

1 stop12h 00m

New York LaGuardia

Mon 4/27

10:55 pm-11:55 pm

2 stops28h 00m

$285

OntarioNew York

ONT - LGA

ONTLGA

Ontario

Wed 4/22

12:49 pm-11:41 pm

1 stop7h 52m

New York LaGuardia

Sat 4/25

2:59 pm-10:43 pm

2 stops10h 44m

$286

OntarioNew York

ONT - LGA

ONTLGA

Ontario

Fri 4/24

10:15 pm-9:39 am

1 stop8h 24m

New York LaGuardia

Sat 5/2

12:00 pm-6:33 pm

1 stop9h 33m

$287

OntarioNew York

ONT - LGA

ONTLGA

Ontario

Thu 4/23

8:26 am-11:14 pm

2 stops11h 48m

New York LaGuardia

Sun 5/3

7:59 pm-4:38 pm

1 stop23h 39m

$288
Quickest round-trip

OntarioNew York

ONT - LGA

ONTLGA

Ontario

Fri 4/24

10:15 pm-9:39 am

1 stop8h 24m

New York LaGuardia

Sat 5/2

6:00 am-11:36 am

1 stop8h 36m

$289

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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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 typical price of a round-trip flight between Ontario and New York LaGuardia Airport?

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 January. Flight prices, which tend to average around $279, 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 January, then you should wait until February to fly from Ontario, when ticket prices are also cheap, with an average price of $295.

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 weeks ahead of your departure date. In general, you can expect to find flights to New York LaGuardia Airport for around $385 when searching 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 $278 on momondo.

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

As of April 2026, prices for Ontario to New York LaGuardia Airport flights are approximately 31% 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

Fastest flight time

7h 11m

Direct flights

None
The fastest flight from Ontario to New York LaGuardia Airport takes 7h 11m
There are no direct flights from Ontario to New York LaGuardia Airport. There are no popular flight routes from Ontario to New York LaGuardia Airport.
Search flight deals

Frequently asked questions about flying from Ontario to 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 7h 11m 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
SouthwestPriceFrom $192Free CancellationRating
8.0
4,343 reviews
Search Southwest flights
American AirlinesPriceFrom $193Free CancellationRating
7.1
11,555 reviews
Search American Airlines flights
United AirlinesPriceFrom $197Free CancellationRating
7.4
9,541 reviews
Search United Airlines flights
DeltaPriceFrom $257Free CancellationRating
7.9
8,383 reviews
Search Delta flights

  • United Airlines Flights From Ontario to New York LaGuardia Airport

    Across 7 United Airlines flights from Ontario to New York LaGuardia Airport this week, the average price was $378, with the best United Airlines deals starting from $197 round-trip. 9,541 users have rated United Airlines on momondo, with an average score of 7.4/10.

Traveling to a place near New York?

Book flights to New York if you plan to visit one of these locations
Seaside Heights
Queens
Bronx
Yonkers
East Rutherford
Asbury Park
Point Pleasant Beach
Beach Haven
Long Branch
Wayne
Spring Lake
Stamford
Tannersville
Woodbridge
Secaucus
East Stroudsburg
Parsippany
Mount Laurel
Ocean Grove
Edgewater

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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