ONT - LGA

$150 Find Cheap Flights from Ontario to New York LaGuardia Airport - Compare and Save

1 adult
1 adult, Economy, 0 bags

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Everything you should know

Cheapest round-trip
$302
Typical prices: $275-$441
United Airlines
Tue 2/6Fri 2/9
ONT - LGA • 1 stop
Cheapest one-way
$150
Typical prices: $148-$297
Frontier
Sat 9/29
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.
Insights
Insights
When to book
15 weeks
in advance
Our data shows that travelers who book at least 15 weeks in advance save around 35% compared to booking last minute.
Insights
Insights
When to travel
February
Cheapest • 36% price drop
November
Most popular
Good to know
+1
Good to know
+1
Top layover airports
Las Vegas Harry Reid Intl (LAS)
Cheapest • Avg $256 (round-trip)
Minneapolis St Paul (MSP)
Shortest trip • 7h 21m (one-way)
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Insights
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We hope you love your trip to New York LaGuardia Airport!
Flight Deals
Booking Insights
Flight Deals

Cheap Flights from Ontario to LaGuardia (ONT-LGA)

 
Discover the best prices for you by selecting your travel dates on KAYAK.

Recent round-trip flight deals from Ontario to LaGuardia

Sat, Feb 6 - Tue, Feb 9
United Airlines Logo
5:00 am - 3:42 pmONT  Ontario-LGA New York LaGuardia
7h 42m1 stop Denver Intl
United Airlines Logo
7:00 am - 12:33 pmLGA  New York LaGuardia-ONT Ontario
8h 33m1 stop Denver Intl
$302United Airlines
Mon, Nov 2 - Wed, Nov 4
United Airlines Logo
5:00 am - 3:47 pmONT  Ontario-LGA New York LaGuardia
7h 47m1 stop Denver Intl
United Airlines Logo
2:00 pm - 9:40 pmLGA  New York LaGuardia-ONT Ontario
10h 40m1 stop Houston George Bush Intcntl
$302United Airlines
Tue, Sep 22 - Tue, Sep 29
American Airlines Logo
10:25 am - 10:27 pmONT  Ontario-LGA New York LaGuardia
9h 02m1 stop Dallas/Fort Worth
American Airlines Logo
8:39 am - 1:25 pmLGA  New York LaGuardia-ONT Ontario
7h 46m1 stop Dallas/Fort Worth
$306American Airlines
Tue, Sep 22 - Fri, Sep 25
American Airlines Logo
10:25 am - 10:27 pmONT  Ontario-LGA New York LaGuardia
9h 02m1 stop Dallas/Fort Worth
American Airlines Logo
4:07 pm - 10:37 pmLGA  New York LaGuardia-ONT Ontario
9h 30m1 stop Dallas/Fort Worth
$307American Airlines
Fri, Oct 16 - Fri, Oct 23
Southwest Logo
12:40 pm - 10:55 pmONT  Ontario-LGA New York LaGuardia
7h 15m1 stop Denver Intl
Southwest Logo
6:55 am - 2:25 pmLGA  New York LaGuardia-ONT Ontario
10h 30m1 stop Denver Intl
$307Southwest
Mon, Sep 14 - Wed, Sep 16
Southwest Logo
11:55 pm - 10:20 amONT  Ontario-LGA New York LaGuardia
7h 25m1 stop Chicago Midway
Southwest Logo
6:55 am - 2:25 pmLGA  New York LaGuardia-ONT Ontario
10h 30m1 stop Denver Intl
$307Southwest
Mon, Sep 14 - Wed, Sep 30
Delta Logo
10:00 pm - 8:07 amONT  Ontario-LGA New York LaGuardia
7h 07m1 stop Atlanta Hartsfield-Jackson
Delta Logo
6:00 am - 11:09 amLGA  New York LaGuardia-ONT Ontario
8h 09m1 stop Atlanta Hartsfield-Jackson
$307Delta
Fri, Oct 2 - Wed, Oct 7
Delta Logo
12:19 pm - 10:39 pmONT  Ontario-LGA New York LaGuardia
7h 20m1 stop Atlanta Hartsfield-Jackson
Delta Logo
6:00 am - 11:06 amLGA  New York LaGuardia-ONT Ontario
8h 06m1 stop Atlanta Hartsfield-Jackson
$307Delta
Wed, Sep 16 - Tue, Sep 22
Frontier Logo
6:15 am - 8:59 pmONT  Ontario-LGA New York LaGuardia
11h 44m2 stops Denver Intl Atlanta Hartsfield-Jackson
Frontier Logo
8:29 pm - 6:16 pmLGA  New York LaGuardia-ONT Ontario
24h 47m1 stop Dallas/Fort Worth
$351Frontier
Wed, Sep 30 - Tue, Oct 6
Frontier Logo
6:15 am - 8:59 pmONT  Ontario-LGA New York LaGuardia
11h 44m2 stops Denver Intl Atlanta Hartsfield-Jackson
Frontier Logo
8:29 pm - 6:16 pmLGA  New York LaGuardia-ONT Ontario
24h 47m1 stop Dallas/Fort Worth
$354Frontier
Booking Insights

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 from Ontario to New York LaGuardia Airport 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 start at $302. Prices are typical for this route right now, with typical round-trip fares ranging from $275 to $441. The lowest price found in the past 5 days was $302 on United Airlines.

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

Thursday is the cheapest day of the week to fly from Ontario to New York LaGuardia Airport, it is 4% cheaper than the average day. Sunday is the most expensive day with flight prices 12% higher than average. Based on deals found by KAYAK users in the last 12 months.

What is 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 December ($439) 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 prices from Ontario to New York LaGuardia Airport the cheapest?

Flights from Ontario to New York LaGuardia Airport are cheapest 15 weeks before departure. Booking in this window typically costs about 35% less than the average last-minute fare (within 2 weeks of the flight), based on KAYAK data.

Find deals

Key details for Ontario to New York LaGuardia Airport flights

Low season

February

Cheapest flight

$150
Best time to beat the crowds with an average 36% drop in price.
Most popular time to fly and prices are also 9% lower on average.
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 route details based on KAYAK data, including flight times, airports, airlines and booking questions.

  • 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).

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

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

    • Economy Class
    • Premium Economy Class
    • Business Class
    • First Class

    Prices vary by airline.

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

    The Airbus A330-200 family is used most often on this route, operated mainly by British Airways. Other aircraft seen on the route include Airbus A330-300 variants.

  • 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
    • Denver Intl (DEN) - 24% of one-stop connections
    • Atlanta Hartsfield-Jackson (ATL) - 23% of one-stop connections
    • Chicago O'Hare Intl (ORD) - 6% of one-stop connections

    Dallas/Fort Worth (DFW) handles the largest share of one-stop connections on this route.

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

    Yes. Being flexible with your travel dates can save you up to 15% on the Ontario to New York LaGuardia Airport route. Thursday is the cheapest departure day at $312 round-trip on average, while Sunday is the most expensive at $366, a difference of $54. KAYAK's flexible dates feature shows options up to 3 days before and after your selected dates, making it easier to compare nearby fares.

  • 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.

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

    Last-minute fares on this route - booked within 2 weeks of departure - run 24% above the route average of $325. Book 15 weeks before departure for the lowest fares.

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

    A nonstop flight from Ontario to New York LaGuardia Airport takes 0h 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 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 $153, which is 30% below the typical average for this route.

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

    Flying via Minneapolis St Paul (MSP) gives the shortest average 1-stop total travel time at 7h 21m, compared with 7h 55m via Phoenix Sky Harbor Intl (PHX) and 8h 01m via Denver Intl (DEN).

  • 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 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
    · Dollar
    · Avis

  • 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 $275 to $441, with an average of $325 over the past 12 months. Anything below $275 counts as a good deal.

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 can be flexible, aim for a Thursday departure instead of Sunday. On this route, Thursday flights average $312 - about $54 less than Sunday (15% savings) based on the last 12 months.
  • For the best chance at a low fare, aim to book around 15 weeks before you fly. On this route, that window historically saves about 35% 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).

Everything you need to know for your flight from Ontario to LaGuardia

Information on your arrival and departure airports

Ontario (ONT)
LaGuardia (LGA)