What’s the cheapest layover airport for flights from Ontario to New York LaGuardia Airport?

Dallas (DFW) is the most affordable 1-stop option, with an average round-trip price of $272.

Which airport typically offers the quickest layover for flights from Ontario to New York LaGuardia Airport?

Flights via Denver (DEN) offer the fastest connection on this route, with an average layover time of 2h 53m.

What’s the top layover airport for flights from Ontario to New York LaGuardia Airport?

Dallas (DFW) – chosen by Cheapflights users on 80% of 1-stop itineraries from Ontario to New York LaGuardia Airport on Cheapflights.

What’s the fastest layover option from Ontario to New York LaGuardia Airport?

Flights via Denver (DEN) have the shortest average one-way travel time for 1-stop routes: 7h 30m.

How long is the flight from Ontario to New York LaGuardia Airport?

A quick flight from Ontario to New York LaGuardia Airport can take about 8h 22m. Delta provides one of the quickest options available for as low as $307. Ontario and New York LaGuardia Airport are separated by a distance of 2417 mi. This flight may include one or multiple stops.

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

According to our current data, Southwest ($192), American Airlines ($193), and United Airlines ($197) offers the cheapest pricing from Ontario to New York LaGuardia Airport. Southwest is 49% 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 Southwest, with whom users have recently found tickets for as low as $96. However, be on the lookout for offers from American Airlines and Frontier, as they are both options that can get you from Ontario to New York LaGuardia Airport for a low price.

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.

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).

What are the most popular airlines that fly from Ontario to New York LaGuardia Airport?

Before booking your flight from Ontario to New York LaGuardia Airport check out the most popular airlines for this route: American Airlines, Southwest or Delta.

What is the cheapest time of day to fly from ONT to LGA?

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Ontario to New York LaGuardia Airport as you normally would.

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.

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 4 different airlines.

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.

$151+ Cheap Flights from Ontario to New York LaGuardia Airport, NY

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Cheap flight deals from Ontario to LaGuardia

Cheapest

Best

Last-minute

One-way

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 August 11, 2026.

Tue 11/310:48 am -

1 stop8h 12m

Wed 11/1110:55 pm -

1 stop11h 17m

Deal found 8/10

$282

Sat 8/158:17 am -

1 stop10h 43m

Tue 9/110:55 pm -

1 stop12h 41m

Deal found 8/11

$286

Sun 9/610:45 am -

1 stop9h 30m

Tue 9/156:00 am -

2 stops9h 30m

Deal found 8/11

$287

Wed 10/148:07 am -

1 stop10h 53m

Wed 10/2110:55 pm -

1 stop11h 17m

Deal found 8/8

$288

Thu 10/158:07 am -

1 stop10h 53m

Tue 10/2010:55 pm -

1 stop11h 17m

Deal found 8/8

$292

Wed 8/199:37 am -

1 stop9h 23m

Thu 8/2710:55 pm -

1 stop12h 43m

Deal found 8/11

$293

Sun 10/118:07 am -

1 stop10h 53m

Wed 10/2110:55 pm -

1 stop11h 17m

Deal found 8/9

$297

Wed 8/269:37 am -

1 stop9h 23m

Fri 8/2810:55 pm -

1 stop12h 41m

Deal found 8/10

$301

Sat 10/248:07 am -

1 stop10h 53m

Tue 10/276:00 am -

1 stop8h 06m

Deal found 8/7

$302

Wed 8/199:37 am -

1 stop9h 23m

Fri 8/2110:55 pm -

1 stop12h 41m

Deal found 8/11

$303

Wed 9/97:25 am -

1 stop12h 35m

Wed 9/166:55 am -

1 stop10h 30m

Deal found 8/10

$306

Best flights from Ontario to LaGuardia
Discover carefully curated flight deals from Ontario to LaGuardia that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated August 11, 2026.

Tue 10/2012:18 pm -

1 stop8h 22m

Sat 10/246:00 am -

1 stop8h 06m

Deal found 8/8

$307

Fri 8/217:00 am -

1 stop12h 15m

Tue 8/256:05 am -

1 stop9h 25m

Deal found 8/7

$338

Fri 8/211:18 pm -

1 stop7h 06m

Tue 8/257:45 am -

1 stop8h 05m

Deal found 8/6

$417

Sun 11/111:59 pm -

1 stop9h 00m

Tue 11/36:00 am -

1 stop8h 52m

Deal found 8/7

$417

Sat 9/1912:17 pm -

1 stop8h 23m

Sat 9/261:59 pm -

1 stop7h 42m

Deal found 8/8

$398

Wed 8/1911:55 pm -

1 stop8h 30m

Fri 8/216:10 am -

2 stops10h 15m

Deal found 8/11

$402

Sat 10/246:00 am -

1 stop7h 48m

Tue 10/279:35 am -

2 stops13h 40m

Deal found 8/6

$422

Fri 8/2110:00 pm -

1 stop8h 12m

Thu 8/271:59 pm -

1 stop10h 53m

Deal found 8/7

$403

Sun 11/86:30 am -

2 stops9h 50m

Sat 11/148:20 am -

2 stops10h 00m

Deal found 8/9

$447

Thu 9/101:18 pm -

1 stop7h 06m

Tue 9/153:25 pm -

1 stop10h 34m

Deal found 8/9

$472

Last-minute flights from Ontario to LaGuardia
Discover last-minute flight deals from Ontario to LaGuardia. Data last updated August 11, 2026 and is based on user searches.

Sat 8/158:17 am -

1 stop10h 43m

Wed 8/2610:55 pm -

1 stop12h 43m

Deal found 8/10

$309

Wed 8/199:37 am -

1 stop9h 23m

Wed 8/2610:55 pm -

1 stop12h 43m

Deal found 8/10

$293

Wed 8/199:37 am -

1 stop9h 23m

Thu 8/2710:55 pm -

1 stop12h 43m

Deal found 8/7

$299

Wed 8/199:37 am -

1 stop9h 23m

Fri 8/2110:55 pm -

1 stop12h 41m

Deal found 8/11

$303

Sat 8/229:37 am -

1 stop9h 23m

Wed 9/210:55 pm -

1 stop12h 43m

Deal found 8/11

$308

Wed 8/269:37 am -

1 stop9h 23m

Fri 8/2810:55 pm -

1 stop12h 41m

Deal found 8/10

$301

Wed 8/269:37 am -

1 stop9h 23m

Tue 9/110:55 pm -

1 stop12h 41m

Deal found 8/11

$307

Sat 8/299:37 am -

1 stop9h 23m

Wed 9/210:55 pm -

1 stop12h 43m

Deal found 8/11

$292

Sun 9/610:45 am -

1 stop9h 30m

Tue 9/156:00 am -

2 stops9h 30m

Deal found 8/11

$287

Wed 9/97:25 am -

1 stop12h 35m

Wed 9/166:55 am -

1 stop10h 30m

Deal found 8/10

$306

Sat 9/129:15 am -

1 stop7h 55m

Fri 9/186:30 am -

1 stop10h 30m

Deal found 8/6

$312

One-way flights from Ontario to LaGuardia
Search for one-way flight options from Ontario to LaGuardia. Find affordable one-way fares based on user searches. Data last updated August 11, 2026.

Mon 9/2110:00 pm -

1 stop7h 07m

Deal found 8/11

$151

Tue 8/259:15 am -

1 stop9h 42m

Deal found 8/11

$154

Sat 9/127:05 am -

1 stop9h 35m

Deal found 8/8

$155

Tue 9/19:01 am -

2 stops11h 23m

Deal found 8/7

$159

Mon 9/287:46 pm -

1 stop20h 58m

Deal found 8/9

$161

Mon 9/148:11 pm -

1 stop20h 33m

Deal found 8/8

$162

Wed 8/269:37 am -

1 stop9h 23m

Deal found 8/10

$164

Wed 10/2810:48 am -

1 stop8h 12m

Deal found 8/10

$169

Mon 8/2410:00 pm -

1 stop9h 41m

Deal found 8/6

$170

Wed 8/199:37 am -

1 stop9h 23m

Deal found 8/10

$171

Mon 8/318:48 am -

2 stops28h 12m

Deal found 8/7

$172

Find flight deals from Ontario to LaGuardia

Most accurate provider	FlightHub 3 stars
Most trusted provider	FlightHub 3 stars
Round-trip from	$282 (Trip.com)
One-way from	$151 (KAYAK)
Popular in	December
Cheapest in	February
Average price	$387

Provider with most accurate pricing for Ontario-New York LaGuardia flight deals.

Search Deals

Provider most trusted by Cheapflights users for Ontario-New York LaGuardia flights.

Search Deals

From Ontario to New York LaGuardia

Search Deals

One-way flight from Ontario to New York LaGuardia

Search Deals

High demand for flights, 3% potential price rise

Search Deals

Cheapest flight prices on average. 3% potential price decrease ($14 potential savings vs. average RT price).

Search Deals

Average for round-trip flights in August 2026

Search Deals

Cheapflights 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

Cheapest round-trip

OntarioNew York

ONT Ontario - LGA New York LaGuardia

ONTLGA

Ontario

Tue 10/20

12:18 pm-11:40 pm

1 stop8h 22m

New York LaGuardia

Sat 10/24

6:00 am-11:06 am

1 stop8h 06m

$307

OntarioNew York

ONT Ontario - LGA New York LaGuardia

ONTLGA

Ontario

Fri 8/21

7:00 am-10:15 pm

1 stop12h 15m

New York LaGuardia

Tue 8/25

6:05 am-12:30 pm

1 stop9h 25m

$338

OntarioNew York

ONT Ontario - LGA New York LaGuardia

ONTLGA

Ontario

Sat 9/19

12:17 pm-11:40 pm

1 stop8h 23m

New York LaGuardia

Sat 9/26

1:59 pm-6:41 pm

1 stop7h 42m

$398

OntarioNew York

ONT Ontario - LGA New York LaGuardia

ONTLGA

Ontario

Wed 8/19

11:55 pm-11:25 am

1 stop8h 30m

New York LaGuardia

Fri 8/21

6:10 am-1:25 pm

2 stops10h 15m

$402

OntarioNew York

ONT Ontario - LGA New York LaGuardia

ONTLGA

Ontario

Fri 8/21

10:00 pm-9:12 am

1 stop8h 12m

New York LaGuardia

Thu 8/27

1:59 pm-9:52 pm

1 stop10h 53m

$403

Quickest round-trip

OntarioNew York

ONT Ontario - LGA New York LaGuardia

ONTLGA

Ontario

Fri 8/21

1:18 pm-11:24 pm

1 stop7h 06m

New York LaGuardia

Tue 8/25

7:45 am-12:50 pm

1 stop8h 05m

$417

OntarioNew York

ONT Ontario - LGA New York LaGuardia

ONTLGA

Ontario

Sun 11/1

11:59 pm-11:59 am

1 stop9h 00m

New York LaGuardia

Tue 11/3

6:00 am-11:52 am

1 stop8h 52m

$417

OntarioNew York

ONT Ontario - LGA New York LaGuardia

ONTLGA

Ontario

Sat 10/24

6:00 am-4:48 pm

1 stop7h 48m

New York LaGuardia

Tue 10/27

9:35 am-8:15 pm

2 stops13h 40m

$422

OntarioNew York

ONT Ontario - LGA New York LaGuardia

ONTLGA

Ontario

Sun 11/8

6:30 am-7:20 pm

2 stops9h 50m

New York LaGuardia

Sat 11/14

8:20 am-3:20 pm

2 stops10h 00m

$447

OntarioNew York

ONT Ontario - LGA New York LaGuardia

ONTLGA

Ontario

Thu 9/10

1:18 pm-11:24 pm

1 stop7h 06m

New York LaGuardia

Tue 9/15

3:25 pm-10:59 pm

1 stop10h 34m

$472

Flights are sorted by cheapest round-trip flights first.

Deals found on 8/9

Showing 1-10 of 22 resultsSorted by cheapest first

Compare providers for flights from Ontario to LaGuardia

Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Ontario to LaGuardia in August.

Provider	Price Accuracy	Trust Score*
Expedia	Price Accuracy1 star	Trust Score*3 stars
FlightHub	Price Accuracy3 stars	Trust Score*3 stars
Cheapfaremart	Price Accuracy-	Trust Score*1 star
CheapTicketsDeal	Price Accuracy1 star	Trust 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.

ONT-LGA

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 Ontario to New York LaGuardia Airport

Prices

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, February is the cheapest month in which you can book a flight from Ontario to New York LaGuardia Airport (average of $279). Flying from Ontario to New York LaGuardia Airport in December is currently the most expensive (average of $525). 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.

How much does it cost to fly round-trip from Ontario to New York LaGuardia Airport?

Airfare is below average for this route at the moment.

Ontario to New York LaGuardia Airport flights typically cost between $332 and $508 in November.
The cheapest round-trip price found within the last 5 days was $282 on Frontier (Nov 3-Nov 11).

Reviews of airlines servicing LaGuardia

See what other customers who have flown with Southwest,Delta, andUnited Airlines from Ontario to New York LaGuardia Airport have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.

Southwest

8.0

Very good

4,221 reviews

Reviews

1 / 20

8.0

Excellent

La Tracimeldamarcos,Jun 2026

LAX - SLC

The second flight was not as comfortable as the first as we had to change planes to what seemed to be a slightly older aircraft. The seats weren’t as comfortable as the other plane. But it wasn’t bad.

Southwest

8.0

Very good

4,221 reviews

Southwest

8.0

Very good

4,221 reviews

Reviews

1 / 20

8.0

Excellent

La Tracimeldamarcos,Jun 2026

LAX - SLC

Delta

7.8

Good

8,505 reviews

Southwest

8.0

Very good

4,221 reviews

Reviews

1 / 20

8.0

Excellent

La Tracimeldamarcos,Jun 2026

LAX - SLC

United Airlines

7.4

Good

10,103 reviews

Southwest

8.0

Very good

4,221 reviews

Reviews

1 / 20

8.0

Excellent

La Tracimeldamarcos,Jun 2026

LAX - SLC

American Airlines

7.1

Good

11,902 reviews

Southwest

8.0

Very good

4,221 reviews

Reviews

1 / 20

8.0

Excellent

La Tracimeldamarcos,Jun 2026

LAX - SLC

Related info for your journey

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 4 different airlines.
How long is the flight from Ontario to New York LaGuardia Airport?
A quick flight from Ontario to New York LaGuardia Airport can take about 8h 22m. Delta provides one of the quickest options available for as low as $307. Ontario and New York LaGuardia Airport are separated by a distance of 2417 mi. This flight may include one or multiple stops.
What are the cheapest airlines flying from Ontario to New York LaGuardia Airport round-trip?
According to our current data, Southwest ($192), American Airlines ($193), and United Airlines ($197) offers the cheapest pricing from Ontario to New York LaGuardia Airport. Southwest is 49% 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 Southwest, with whom users have recently found tickets for as low as $96. However, be on the lookout for offers from American Airlines and Frontier, 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, February is the cheapest month in which you can book a flight from Ontario to New York LaGuardia Airport (average of $279). Flying from Ontario to New York LaGuardia Airport in December is currently the most expensive (average of $525). 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

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East Rutherford

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Yonkers

Irvington

Secaucus

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Tannersville

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Carle Place

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Goshen

Avenel

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Top 4 airlines flying from Ontario to LaGuardia

Airline	Cheapest	Average	Flexibility	On-time
Southwest	Cheapest$192	Average$364	FlexibilityNo cancel fee	On-time63%
American Airlines	Cheapest$193	Average$349	FlexibilityNo cancel fee	On-time71%
United Airlines	Cheapest$197	Average$338	FlexibilityNo cancel fee	On-time69%
Delta	Cheapest$257	Average$360	FlexibilityNo cancel fee	On-timeN/A

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$151+ 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 9/21. Fares are subject to change and may not be available on all flights or dates of travel.

Find cheap flights from Ontario to LaGuardia with Cheapflights

1. Tell us where you want to go

2. Select your favorite providers

3. Compare prices and book

Cheap flight deals from Ontario to LaGuardia

Cheapest flights from Ontario to LaGuardiaExplore 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 August 11, 2026.

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 August 11, 2026.

Best flights from Ontario to LaGuardiaDiscover carefully curated flight deals from Ontario to LaGuardia that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated August 11, 2026.

Discover carefully curated flight deals from Ontario to LaGuardia that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated August 11, 2026.

Last-minute flights from Ontario to LaGuardiaDiscover last-minute flight deals from Ontario to LaGuardia. Data last updated August 11, 2026 and is based on user searches.

Discover last-minute flight deals from Ontario to LaGuardia. Data last updated August 11, 2026 and is based on user searches.

One-way flights from Ontario to LaGuardiaSearch for one-way flight options from Ontario to LaGuardia. Find affordable one-way fares based on user searches. Data last updated August 11, 2026.

Search for one-way flight options from Ontario to LaGuardia. Find affordable one-way fares based on user searches. Data last updated August 11, 2026.

Find flight deals from Ontario to LaGuardia

Most accurate provider

Most trusted provider

Round-trip from

One-way from

Popular in

Cheapest in

Average price

Cheapflights Fare Finder

Use the filters below to find and compare flights from Ontario to New York LaGuardia Airport that are best for you.

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 August.

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.

Cheapflights Insights

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

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?

How much does it cost to fly round-trip from Ontario to New York LaGuardia Airport?

Airfare is below average for this route at the moment.

Ontario to New York LaGuardia Airport flights typically cost between $332 and $508 in November.The cheapest round-trip price found within the last 5 days was $282 on Frontier (Nov 3-Nov 11).

What’s the top layover airport for flights from Ontario to New York LaGuardia Airport?

Dallas (DFW) – chosen by Cheapflights users on 80% of 1-stop itineraries from Ontario to New York LaGuardia Airport on Cheapflights.

What’s the cheapest layover airport for flights from Ontario to New York LaGuardia Airport?

Dallas (DFW) is the most affordable 1-stop option, with an average round-trip price of $272.

What’s the fastest layover option from Ontario to New York LaGuardia Airport?

Flights via Denver (DEN) have the shortest average one-way travel time for 1-stop routes: 7h 30m.

Which airport typically offers the quickest layover for flights from Ontario to New York LaGuardia Airport?

Flights via Denver (DEN) offer the fastest connection on this route, with an average layover time of 2h 53m.

Reviews of airlines servicing LaGuardia

See what other customers who have flown with Southwest,Delta, andUnited Airlines from Ontario to New York LaGuardia Airport have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.

Related info for your journey

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What is the cheapest month to book a flight from Ontario to New York LaGuardia Airport?

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Alternative routes for Ontario to LaGuardia

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Other flights to LaGuardia

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Ontario and LaGuardia flights

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Top 4 airlines flying from Ontario to LaGuardia

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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 August 11, 2026.

Best flights from Ontario to LaGuardia
Discover carefully curated flight deals from Ontario to LaGuardia that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated August 11, 2026.

Last-minute flights from Ontario to LaGuardia
Discover last-minute flight deals from Ontario to LaGuardia. Data last updated August 11, 2026 and is based on user searches.

One-way flights from Ontario to LaGuardia
Search for one-way flight options from Ontario to LaGuardia. Find affordable one-way fares based on user searches. Data last updated August 11, 2026.

Ontario to New York LaGuardia Airport flights typically cost between $332 and $508 in November.
The cheapest round-trip price found within the last 5 days was $282 on Frontier (Nov 3-Nov 11).