ONT - LGA

$156 Find Cheap Flights from Ontario to New York LaGuardia Airport - Compare and Save

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Everything you should know

Cheapest round-trip
$304
Typical prices: $280-$469
Frontier
Fri 11/9Sat 11/17
ONT - LGA • 2 stops
Cheapest one-way
$156
Typical prices: $154-$309
Frontier
Sat 11/3
ONT - LGA • 2 stops
Nonstop flights
Not available
There are currently no direct flights between Ontario and New York LaGuardia Airport. You'll need to take a connecting flight to reach the destination.
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When to book
11 weeks
in advance
Our data shows that travelers who book at least 11 weeks in advance save around 53% compared to booking last minute.
Insights
Insights
When to travel
February
Cheapest • 39% price drop
November
Most popular
Good to know
+1
Good to know
+1
Top layover airports
Houston Hobby (HOU)
Cheapest • Avg $290 (round-trip)
Atlanta Hartsfield-Jackson (ATL)
Shortest trip • 8h 02m (one-way)
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Insights
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We hope you love your trip to New York LaGuardia Airport!

Cheap Flights from Ontario to LaGuardia (ONT-LGA)

 

Cheap flights from Ontario to LaGuardia with top airlines, updated regularly. Compare round-trip, one-way, direct and last-minute deals.

Mon, Nov 9 - Tue, Nov 17
Frontier Logo
8:35 pm - 8:59 pmONT  Ontario-LGA New York LaGuardia
21h 24m2 stops Las Vegas Harry Reid Intl Dallas/Fort Worth
Frontier Logo
8:30 pm - 9:40 amLGA  New York LaGuardia-ONT Ontario
16h 10m2 stops Dallas/Fort Worth Las Vegas Harry Reid Intl
$304Frontier
Thu, Nov 12 - Tue, Nov 17
Frontier Logo
6:30 am - 8:59 pmONT  Ontario-LGA New York LaGuardia
11h 29m2 stops Denver Intl Dallas/Fort Worth
Frontier Logo
8:30 pm - 10:35 amLGA  New York LaGuardia-ONT Ontario
17h 05m2 stops Dallas/Fort Worth Denver Intl
$307Frontier
Sat, Nov 7 - Fri, Nov 13
United Airlines Logo
1:29 pm - 11:15 pmONT  Ontario-LGA New York LaGuardia
6h 46m1 stop Denver Intl
United Airlines Logo
3:29 pm - 8:51 pmLGA  New York LaGuardia-ONT Ontario
8h 22m1 stop Denver Intl
$318United Airlines
Tue, Nov 10 - Tue, Nov 17
United Airlines Logo
1:29 pm - 11:15 pmONT  Ontario-LGA New York LaGuardia
6h 46m1 stop Denver Intl
United Airlines Logo
3:29 pm - 8:51 pmLGA  New York LaGuardia-ONT Ontario
8h 22m1 stop Denver Intl
$318United Airlines
Wed, Dec 9 - Fri, Dec 11
Southwest Logo
12:30 pm - 10:55 pmONT  Ontario-LGA New York LaGuardia
7h 25m1 stop Houston Hobby
Southwest Logo
8:30 am - 1:05 pmLGA  New York LaGuardia-ONT Ontario
7h 35m1 stop Chicago Midway
$322Southwest
Thu, Nov 12 - Fri, Nov 13
Southwest Logo
1:20 pm - 10:55 pmONT  Ontario-LGA New York LaGuardia
6h 35m1 stop Denver Intl
Southwest Logo
8:30 am - 1:05 pmLGA  New York LaGuardia-ONT Ontario
7h 35m1 stop Chicago Midway
$322Southwest
Fri, Feb 26 - Sun, Feb 28
American Airlines Logo
6:00 am - 5:02 pmONT  Ontario-LGA New York LaGuardia
8h 02m1 stop Dallas/Fort Worth
American Airlines Logo
3:00 pm - 10:25 pmLGA  New York LaGuardia-ONT Ontario
10h 25m1 stop Dallas/Fort Worth
$327American Airlines
Tue, Jan 5 - Sun, Jan 10
American Airlines Logo
10:10 pm - 10:33 amONT  Ontario-LGA New York LaGuardia
9h 23m1 stop Charlotte Douglas
American Airlines Logo
5:53 pm - 11:16 pmLGA  New York LaGuardia-ONT Ontario
8h 23m1 stop Chicago O'Hare Intl
$327American Airlines
Sun, Nov 1 - Sat, Nov 7
Delta Logo
7:07 am - 5:43 pmONT  Ontario-LGA New York LaGuardia
7h 36m1 stop Atlanta Hartsfield-Jackson
Delta Logo
6:00 am - 11:06 amLGA  New York LaGuardia-ONT Ontario
8h 06m1 stop Atlanta Hartsfield-Jackson
$327Delta
Wed, Nov 11 - Thu, Nov 12
Delta Logo
7:05 am - 5:40 pmONT  Ontario-LGA New York LaGuardia
7h 35m1 stop Atlanta Hartsfield-Jackson
Delta Logo
6:00 am - 11:03 amLGA  New York LaGuardia-ONT Ontario
8h 03m1 stop Atlanta Hartsfield-Jackson
$327Delta

Price, demand and travel trends for Ontario to New York LaGuardia Airport flights

Use KAYAK data on prices, travel dates, airlines and seasonal trends to compare options and book flights with more confidence.

How much is a round-trip flight from Ontario to New York LaGuardia Airport?

Round-trip flights from Ontario to New York LaGuardia Airport typically range from $280 to $469. The lowest price found in the past 5 days was $304, on Frontier.

What's the cheapest day of the week to fly from Ontario to New York LaGuardia Airport?

Based on deals KAYAK users found in the last 12 months, Thursday is the cheapest day of the week to fly from Ontario to New York LaGuardia Airport. It’s 9% cheaper than the average day, while Sunday is the most expensive, with prices 10% higher.

What’s the cheapest month to fly from Ontario to New York LaGuardia Airport?

•February is the cheapest month to fly from Ontario to New York LaGuardia Airport at $209 round-trip.
•June ($448) and July ($433) are the most expensive months.
•The price difference between flying in the cheapest and most expensive months is 114% on average.
This is based on KAYAK aggregated and averaged internal data over the past 12 months.

When are flights from Ontario to New York LaGuardia Airport the cheapest?

Flights from Ontario to New York LaGuardia Airport are cheapest 11 weeks before departure. Booking in this window typically costs about 53% less than the average last-minute fare (within 2 weeks of the flight), based on KAYAK data.

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Key details for Ontario to New York LaGuardia Airport flights

Low season

February

Cheapest flight

$156
Beat the crowds with an average 21% drop in travelers.
The most popular month to fly with an average 34% increase in travelers.
One-way flight from Ontario to New York LaGuardia Airport

When to book flights from Ontario to LaGuardia

Are your dates flexible? Find out the best times to travel from Ontario to LaGuardia based on our flight data from the last year. Discover the cheapest month and even day to fly.
Estimated round-trip price

Your Ontario to New York LaGuardia Airport flight questions, answered

Find helpful answers about this route, including flight times, airports, airlines and booking tips.

  • What cabin classes can I book on flights from Ontario to New York LaGuardia Airport?

    Three cabin classes are available on flights from Ontario to New York LaGuardia Airport:

    • Economy Class
    • Premium Economy Class
    • First Class

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

    A nonstop flight from Ontario to New York LaGuardia Airport takes 00m, covering 2,417 miles.

  • Do I need a passport to fly from Ontario to New York LaGuardia Airport?

    No, a passport is not required for this domestic route, but you will need a real ID-compliant driver's license, a state ID or another TSA-accepted form of identification.

  • How much should I expect to pay for a Ontario to New York LaGuardia Airport flight?

    Round-trip flights from Ontario to New York LaGuardia Airport range from $280 to $469, with an average of $341 over the past 12 months. Anything below $280 counts as a good deal.

  • How expensive are last-minute Ontario to New York LaGuardia Airport flights?

    Last-minute fares on this route (booked within two weeks of departure) run 22% above the $341 route average. Book 11 weeks before departure for the lowest fares.

  • What is the standard checked-bag allowance on flights from Ontario to New York LaGuardia Airport?

    There is no standard. Checked-bag policies vary by airline on this route. Most carriers charge $80–$80 for the first checked bag in economy. Premium fares and elite-status bookings typically include a free checked bag.

  • Which aircraft model is used most often on flights from Ontario to New York LaGuardia Airport?

    The Boeing 737-900 Passenger/BBJ3 (winglets) family is used most often on this route, operated mainly by Alaska Airlines. Other aircraft seen on the route include Airbus A318/A319/A320/A321 variants.

  • How are flight prices from Ontario to New York LaGuardia Airport looking right now?

    One-way fares from Ontario to New York LaGuardia Airport are currently lower than usual. Average one-way flight prices are about $161, which is 28% below the typical average for this route.

  • What car rental options are available at New York LaGuardia Airport (LGA)?

    New York LaGuardia Airport (LGA) hosts 5 major car rental companies, with daily rates starting from around $16 for economy cars. Top options include:

    • Ace
    • Budget
    • Hertz
    • Avis
    • Dollar

  • Which airports can I use when flying from Ontario to New York LaGuardia Airport?

    Flights from Ontario to New York LaGuardia Airport usually depart from Ontario (ONT) and arrive at New York LaGuardia (LGA).

  • Which airports do connecting flights from Ontario to New York LaGuardia Airport pass through?

    One-stop flights from Ontario to New York LaGuardia Airport most commonly connect through:

    • Dallas/Fort Worth (DFW) - 41% of one-stop connections
    • Atlanta Hartsfield-Jackson (ATL) - 25% of one-stop connections
    • Denver Intl (DEN) - 22% of one-stop connections
    • Chicago O'Hare Intl (ORD) - 6% of one-stop connections

  • Can I save money by using flexible dates for flights from Ontario to New York LaGuardia Airport?

    Yes. Flexible dates can save you up to 18% on flights from Ontario to New York LaGuardia Airport. Thursday is the cheapest departure day at $312 round-trip on average, while Sunday is the most expensive at $378, a difference of $66.

    KAYAK's flexible dates feature shows options up to 3 days before and after your selected dates, making it easier to compare nearby fares.

  • How much time can I save by choosing a different layover airport from Ontario to New York LaGuardia Airport?

    Flying via Atlanta Hartsfield-Jackson (ATL) gives the shortest average 1-stop total travel time at 8h 02m, compared with 8h 18m via Chicago O'Hare Intl (ORD) and 8h 27m via Chicago Midway (MDW).

  • What is the time difference between Ontario and New York LaGuardia Airport?

    New York LaGuardia Airport is 3 hours ahead of Ontario (Eastern Time vs Pacific Time). Plan for the time shift when scheduling connections or first-day activities.

  • What popular places can I visit in New York LaGuardia Airport?

    Some of the most popular sights in New York LaGuardia Airport are Times Square, New York City Center and Madison Square Garden. These are among the most viewed places in New York LaGuardia Airport on KAYAK.

  • Which airlines offer extra legroom and free seat selection on Ontario to New York LaGuardia Airport flights?

    Among airlines operating Ontario to New York LaGuardia Airport flights:

    • United Airlines: offers free seat selection

    Extra legroom and free seat selection availability depends on fare class and route.

  • Which airlines include bags at no extra cost on Ontario to New York LaGuardia Airport flights?

    Here are some options for this route, based on selected ticket types and cabin classes:

    • United Airlines: a cabin bag in Economy Class class

    Bag allowance can vary by ticket type, cabin class, route and airline, so always check the fare details before booking.

Your guide to booking Ontario to New York LaGuardia Airport flights

Get tips on when to book, when to fly and what to know before your trip.
  • If your dates are flexible, aim for a Thursday departure and avoid flying on Sunday. On this route, Thursday flights average $312, about $66 less than Sunday fares (17% savings) based on the last 12 months.
  • For the best chance at a low fare, aim to book around 11 weeks before you fly. On this route, that window historically saves about 53% versus last-minute pricing (KAYAK booking data, last 12 months).
  • If you can choose when to travel, plan your Ontario to New York LaGuardia Airport trip for February. Fares historically average $209 round-trip in that month - typically $239 less than the most expensive month, which is June (based on the last 12 months).

More options for your flight from Ontario to LaGuardia

Complete your trip to New York with a hotel stay or car rental

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