What is the cheapest airline that flies from Ontario to New York LaGuardia?

Frontier, Delta, and United Airlines are the most popular carriers operating from Ontario to New York LaGuardia

What airlines fly to New York LaGuardia Airport?

American Airlines, Southwest and Delta are the top three most popular airlines that fly to New York LaGuardia Airport from Ontario according to our data. American Airlines is the first choice among our users, with 43% of people opting to fly with this airline when traveling to New York LaGuardia Airport. Keep in mind that there are 7 different airlines that fly to New York LaGuardia Airport on a routine basis, so you have a few additional options to choose from.

Which layover airport offers the lowest fares from Ontario to New York LaGuardia Airport?

Flights via Atlanta (ATL) offer the lowest average round-trip price of $281.

Which layover airport has the shortest travel time from Ontario to New York LaGuardia Airport?

Flights connecting via Dallas (DFW) have the shortest average one-way travel time: 7h 26m.

Which airport is the most popular layover for flights between Ontario and New York LaGuardia Airport?

Dallas (DFW) was the most common stop: 82% of momondo users choosing 1-stop flights on this route connected there.

Which layover airport has the shortest connection time from Ontario to New York LaGuardia Airport?

Atlanta (ATL) has the shortest average layover time for this route: 1h 19m.

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?

As of October 2025, there are 5 operators available to choose from 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.

$111 Cheap Flights from Ontario to New York LaGuardia Airport in 2025/26

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Find the cheapest flights from Ontario to New York

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Cheap round-trip flights

Enter your travel dates to find the best prices.

8:45 am - 10:00 pmONT-LGA

10h 15m1 stop

8:56 pm - 6:27 amLGA-ONT

12h 31m1 stop

$225Frontier

Find Deal

Tue, Nov 11 - Sat, Nov 15

8:45 am - 10:00 pmONT-LGA

10h 15m1 stop

10:00 pm - 11:11 amLGA-ONT

16h 11m2 stops

$226Frontier

Find Deal

Tue, Nov 18 - Wed, Nov 19

7:22 am - 9:04 pmONT-LGA

10h 42m1 stop

10:08 pm - 8:53 amLGA-ONT

13h 45m1 stop

$228Frontier

Find Deal

Thu, Nov 13 - Wed, Dec 17

7:22 am - 8:30 pmONT-LGA

10h 08m1 stop

6:24 am - 9:27 pmLGA-ONT

18h 03m2 stops

$229Multiple Airlines

Find Deal

Thu, Nov 13 - Tue, Nov 18

12:46 pm - 11:33 pmONT-LGA

7h 47m1 stop

6:00 am - 1:55 pmLGA-ONT

10h 55m1 stop

$235American Airlines

Find Deal

Sat, Dec 6 - Tue, Dec 9

5:25 am - 4:25 pmONT-LGA

8h 00m1 stop

11:10 am - 7:15 pmLGA-ONT

11h 05m1 stop

$238Southwest

Find Deal

Wed, Nov 12 - Tue, Nov 18

7:22 am - 8:30 pmONT-LGA

10h 08m1 stop

8:30 pm - 2:26 pmLGA-ONT

44h 56m2 stops

$239Multiple Airlines

Find Deal

Thu, Nov 13 - Wed, Nov 19

7:05 am - 7:48 pmONT-LGA

9h 43m2 stops

6:00 am - 11:02 amLGA-ONT

8h 02m1 stop

$262Delta

Find Deal

Wed, Dec 10 - Tue, Dec 16

6:40 am - 11:07 pmONT-LGA

13h 27m2 stops

1:56 pm - 11:04 pmLGA-ONT

12h 08m2 stops

$267Delta

Find Deal

Sat, Dec 6 - Tue, Dec 9

11:59 pm - 11:49 amONT-LGA

8h 50m2 stops

10:14 am - 6:40 pmLGA-ONT

11h 26m2 stops

$285American Airlines

Find Deal

Mon, Feb 9 - Sat, Feb 14

Frontier flights from Ontario to New York LaGuardia Airport

Our best Frontier deals on Ontario to New York LaGuardia Airport flight tickets

Frontier

Nov 11

ONT8:45 amOntario

10h 15m

1 stop

LGA10:00 pmNew York LaGuardia

Nov 15

LGA8:56 pmNew York LaGuardia

12h 31m

1 stop

ONT6:27 amOntario

$225

Find similar

Frontier

Nov 18

ONT8:45 amOntario

10h 15m

1 stop

LGA10:00 pmNew York LaGuardia

Nov 19

LGA10:00 pmNew York LaGuardia

16h 11m

2 stops

ONT11:11 amOntario

$226

Find similar

Frontier

Nov 13

ONT7:22 amOntario

10h 42m

1 stop

LGA9:04 pmNew York LaGuardia

Dec 17

LGA10:08 pmNew York LaGuardia

13h 45m

1 stop

ONT8:53 amOntario

$228

Find similar

American Airlines flights from Ontario to New York LaGuardia Airport

Our best American Airlines deals on Ontario to New York LaGuardia Airport flight tickets

American Airlines

Nov 10

ONT10:34 pmOntario

9h 29m

1 stop

LGA11:03 amNew York LaGuardia

Nov 19

LGA9:00 amNew York LaGuardia

10h 01m

2 stops

ONT4:01 pmOntario

$233

Find similar

American Airlines

Dec 6

ONT12:46 pmOntario

7h 47m

1 stop

LGA11:33 pmNew York LaGuardia

Dec 9

LGA6:00 amNew York LaGuardia

10h 55m

1 stop

ONT1:55 pmOntario

$235

Find similar

American Airlines

Feb 9

ONT11:59 pmOntario

8h 50m

2 stops

LGA11:49 amNew York LaGuardia

Feb 14

LGA10:14 amNew York LaGuardia

11h 26m

2 stops

ONT6:40 pmOntario

$285

Find similar

momondo Fare Finder

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

OntarioNew York

ONT - LGA

ONTLGA

Ontario

Tue 11/11

8:45 am-10:00 pm

1 stop10h 15m

New York LaGuardia

Sat 11/15

8:56 pm-6:27 am

1 stop12h 31m

$225

OntarioNew York

ONT - LGA

ONTLGA

Ontario

Tue 11/18

8:45 am-10:00 pm

1 stop10h 15m

New York LaGuardia

Wed 11/19

10:00 pm-11:11 am

2 stops16h 11m

$226

OntarioNew York

ONT - LGA

ONTLGA

Ontario

Thu 11/13

7:22 am-9:04 pm

1 stop10h 42m

New York LaGuardia

Wed 12/17

10:08 pm-8:53 am

1 stop13h 45m

$228

OntarioNew York

ONT - LGA

ONTLGA

Ontario

Thu 11/13

7:22 am-8:30 pm

1 stop10h 08m

New York LaGuardia

Tue 11/18

6:24 am-9:27 pm

2 stops18h 03m

$229

OntarioNew York

ONT - LGA

ONTLGA

Ontario

Sat 12/6

12:46 pm-11:33 pm

1 stop7h 47m

New York LaGuardia

Tue 12/9

6:00 am-1:55 pm

1 stop10h 55m

$235

OntarioNew York

ONT - LGA

ONTLGA

Ontario

Wed 11/12

5:25 am-4:25 pm

1 stop8h 00m

New York LaGuardia

Tue 11/18

11:10 am-7:15 pm

1 stop11h 05m

$238

OntarioNew York

ONT - LGA

ONTLGA

Ontario

Thu 11/13

7:22 am-8:30 pm

1 stop10h 08m

New York LaGuardia

Wed 11/19

8:30 pm-2:26 pm

2 stops44h 56m

$239

OntarioNew York

ONT - LGA

ONTLGA

Ontario

Wed 12/10

7:05 am-7:48 pm

2 stops9h 43m

New York LaGuardia

Tue 12/16

6:00 am-11:02 am

1 stop8h 02m

$262

OntarioNew York

ONT - LGA

ONTLGA

Ontario

Sat 12/6

6:40 am-11:07 pm

2 stops13h 27m

New York LaGuardia

Tue 12/9

1:56 pm-11:04 pm

2 stops12h 08m

$267

OntarioNew York

ONT - LGA

ONTLGA

Ontario

Mon 2/9

11:59 pm-11:49 am

2 stops8h 50m

New York LaGuardia

Sat 2/14

10:14 am-6:40 pm

2 stops11h 26m

$285

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first

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

Prices

Airlines

Layovers

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 $303, 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 October to fly from Ontario, when ticket prices are also cheap, with an average price of $338.

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 Wednesday when prices can be found for as low as $344. 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 weeks ahead of your departure date. In general, you can expect to find flights to New York LaGuardia Airport for around $412 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 $320 on momondo.

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

As of October 2025, prices for Ontario to New York LaGuardia Airport flights are approximately 33% 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

Direct flights	None

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.

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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 19m 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?
As of October 2025, there are 5 operators available to choose from 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?
Based on momondo bookings for flights between Ontario and New York LaGuardia Airport, the leading plane model is Airbus A330-200, making up 50.00% of the total bookings. Other popular models include Airbus A330-300 with 50.00%.
What is the most popular airline from Ontario to New York LaGuardia Airport?
Based on momondo bookings for this flight route, the most popular airline on flight routes from Ontario to New York LaGuardia Airport is American Airlines (44% of total bookings). The next most popular airlines are Southwest (30%), Delta (12%), and United Airlines (12%).

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
Frontier	PriceFrom $128	Free Cancellation	Rating 5.8 3,122 reviews	Search Frontier flights
American Airlines	PriceFrom $224	Free Cancellation	Rating 7.2 11,035 reviews	Search American Airlines flights
United Airlines	PriceFrom $246	Free Cancellation	Rating 7.4 8,998 reviews	Search United Airlines flights
Southwest	PriceFrom $266	Free Cancellation	Rating 8.0 4,243 reviews	Search Southwest flights
Delta	PriceFrom $266	Free Cancellation	Rating 7.9 7,998 reviews	Search Delta flights

Seaside Heights

Queens

Bronx

Yonkers

Asbury Park

East Rutherford

Point Pleasant Beach

Pocono Manor

Beach Haven

Spring Lake

Tannersville

Long Branch

Stamford

Wayne

East Stroudsburg

Elizabeth

Secaucus

Ocean Grove

Staten Island

Parsippany

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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Cheap flights from Ontario to New York from $111

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 11/17. 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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Frontier flights from Ontario to New York LaGuardia Airport

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American Airlines flights from Ontario to New York LaGuardia Airport

Our best American Airlines deals on Ontario to New York LaGuardia Airport flight tickets

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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?

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

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

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

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

As of October 2025, prices for Ontario to New York LaGuardia Airport flights are approximately 33% more expensive when compared to flights at the same time last year.

What is the cheapest airline that flies from Ontario to New York LaGuardia?

Frontier, Delta, and United Airlines are the most popular carriers operating from Ontario to New York LaGuardia

What airlines fly to New York LaGuardia Airport?

Which airport is the most popular layover for flights between Ontario and New York LaGuardia Airport?

Dallas (DFW) was the most common stop: 82% of momondo users choosing 1-stop flights on this route connected there.

Which layover airport offers the lowest fares from Ontario to New York LaGuardia Airport?

Flights via Atlanta (ATL) offer the lowest average round-trip price of $281.

Which layover airport has the shortest travel time from Ontario to New York LaGuardia Airport?

Flights connecting via Dallas (DFW) have the shortest average one-way travel time: 7h 26m.

Which layover airport has the shortest connection time from Ontario to New York LaGuardia Airport?

Atlanta (ATL) has the shortest average layover time for this route: 1h 19m.

When to book flights from Ontario to New York LaGuardia Airport

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

Direct flights

How far is Ontario to New York LaGuardia by plane?

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

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?

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

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

Traveling to a place near New York?

Why use momondo?

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

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

How can momondo help me find flights 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?

An easier way to manage your New York LaGuardia Airport trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.

Find better results for your trip to New York

Popular cities in the United States

Popular flights according to clicks in the last 7 days on momondo