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Cheap Flights from Ontario International to New York LaGuardia

Compare Ontario International to New York LaGuardia flight deals

Find the cheapest month or even day of the year to fly to New York LaGuardia

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Flight deals from Ontario International Airport to New York LaGuardia Airport

Looking for a cheap last-minute deal or the best return flight from Ontario International Airport to New York LaGuardia Airport? If you want to travel next month, return fares start from R 4,518. Find the lowest prices on one-way and return tickets right here.
New York.R 1,837 per passenger.Departing Fri, 8 May.One-way flight with Frontier Airlines.Outbound indirect flight with Frontier Airlines, departs from Ontario International on Fri, 8 May, arriving in New York LaGuardia.Price includes taxes and charges.From R 1,837, select.
New York.R 1,858 per passenger.Departing Tue, 14 Apr.One-way flight with Frontier Airlines.Outbound indirect flight with Frontier Airlines, departs from Ontario International on Tue, 14 Apr, arriving in New York LaGuardia.Price includes taxes and charges.From R 1,858, select.
New York.R 2,368 per passenger.Departing Tue, 2 Jun.One-way flight with KLM.Outbound indirect flight with KLM, departs from Ontario International on Tue, 2 Jun, arriving in New York LaGuardia.Price includes taxes and charges.From R 2,368, select.
New York.R 2,513 per passenger.Departing Wed, 23 Sep.One-way flight with KLM.Outbound indirect flight with KLM, departs from Ontario International on Wed, 23 Sep, arriving in New York LaGuardia.Price includes taxes and charges.From R 2,513, select.
New York.R 2,571 per passenger.Departing Tue, 25 Aug.One-way flight with KLM.Outbound indirect flight with KLM, departs from Ontario International on Tue, 25 Aug, arriving in New York LaGuardia.Price includes taxes and charges.From R 2,571, select.
New York.R 2,653 per passenger.Departing Wed, 15 Jul.One-way flight with United.Outbound indirect flight with United, departs from Ontario International on Wed, 15 Jul, arriving in New York LaGuardia.Price includes taxes and charges.From R 2,653, select.
New York.R 2,741 per passenger.Departing Wed, 16 Dec.One-way flight with United.Outbound indirect flight with United, departs from Ontario International on Wed, 16 Dec, arriving in New York LaGuardia.Price includes taxes and charges.From R 2,741, select.
New York.R 2,741 per passenger.Departing Tue, 27 Oct.One-way flight with Southwest Airlines.Outbound indirect flight with Southwest Airlines, departs from Ontario International on Tue, 27 Oct, arriving in New York LaGuardia.Price includes taxes and charges.From R 2,741, select.
New York.R 2,741 per passenger.Departing Tue, 31 Mar.One-way flight with Delta.Outbound indirect flight with Delta, departs from Ontario International on Tue, 31 Mar, arriving in New York LaGuardia.Price includes taxes and charges.From R 2,741, select.
New York.R 3,074 per passenger.Departing Wed, 29 Apr.One-way flight with Lufthansa.Outbound direct flight with Lufthansa departs from Ontario International on Wed, 29 Apr, arriving in New York LaGuardia.Price includes taxes and charges.From R 3,074, select.
New York.R 3,321 per passenger.Departing Sun, 10 May.One-way flight with Lufthansa.Outbound direct flight with Lufthansa departs from Ontario International on Sun, 10 May, arriving in New York LaGuardia.Price includes taxes and charges.From R 3,321, select.
New York.R 3,450 per passenger.Departing Wed, 23 Sep.One-way flight with Lufthansa.Outbound direct flight with Lufthansa departs from Ontario International on Wed, 23 Sep, arriving in New York LaGuardia.Price includes taxes and charges.From R 3,450, select.
New York.R 3,552 per passenger.Departing Wed, 11 Nov.One-way flight with KLM.Outbound indirect flight with KLM, departs from Ontario International on Wed, 11 Nov, arriving in New York LaGuardia.Price includes taxes and charges.From R 3,552, select.
New York.R 5,222 per passenger.Departing Thu, 16 Jul.One-way flight with Lufthansa.Outbound direct flight with Lufthansa departs from Ontario International on Thu, 16 Jul, arriving in New York LaGuardia.Price includes taxes and charges.From R 5,222, select.
New York.R 5,424 per passenger.Departing Wed, 17 Jun.One-way flight with Lufthansa.Outbound direct flight with Lufthansa departs from Ontario International on Wed, 17 Jun, arriving in New York LaGuardia.Price includes taxes and charges.From R 5,424, select.
New York.R 6,462 per passenger.Departing Tue, 17 Mar.One-way flight with Lufthansa.Outbound direct flight with Lufthansa departs from Ontario International on Tue, 17 Mar, arriving in New York LaGuardia.Price includes taxes and charges.From R 6,462, select.

Find the cheapest month to fly from Ontario International to New York LaGuardia

We’re always keeping an eye on fares, so you can find the best one in seconds. It looks like Ontario International to New York LaGuardia flights are currently cheapest in May.
Mar
from R 2,741
Apr
from R 1,858
May
from R 1,837
Jun
from R 2,368
Jul
from R 2,653
Aug
from R 2,571
Sep
from R 2,513
Oct
from R 2,741
Nov
from R 3,552
Dec
from R 2,741
Jan
Find prices
Feb
Find prices

Ontario International to New York LaGuardia: Alternative routes

Compare routes from Ontario International to New York below. You may find an airport to fly into that's cheaper, faster, or easier than New York LaGuardia.

New York LaGuardia

13km from central New York
ClosestCheapest
from R 1,837
Search flights

New York Newark

14km from central New York
from R 2,114
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New York John F. Kennedy

21km from central New York
from R 2,297
Search flights

Westchester County

47km from central New York
from R 3,329
Search flights

Islip

77km from central New York
from R 2,606
Search flights

Stewart International

88km from central New York
from R 3,191
Search flights

Ontario to New York: Flight information

The things to know before you go.
Cheapest flight foundR 1,837
Cheapest month to flyMay

Finding cheap flights from Ontario International to New York LaGuardia: Frequently asked questions

The best price we found for a return flight from Ontario International to New York LaGuardia is R 4,188. This is an estimate based on information collected from different airlines and travel providers over the last 4 days and is subject to change and availability.
Currently, there are no airlines that fly direct from Ontario International to New York LaGuardia. But we found flights with one or more stops from R 4,188.
As of March 2026, there are no flights flying from Ontario International to New York LaGuardia.
The cheapest month to fly from Ontario International to New York LaGuardia is usually April.
After crunching the numbers on our flight calendar, we found that it's currently cheapest to fly from Ontario International Airport to New York LaGuardia Airport on Saturday, 25 April 2026.
No airlines currently offer direct flights between Ontario International Airport and New York LaGuardia Airport. Most routes have one or more stops.
We show every price from over 1,200 airlines and travel agents, comparing them all so you don’t have to. If you know you want to fly to New York LaGuardia but you’re not ready to book, set up a Price Alert. We’ll track prices for you, and let you know when they rise or fall.
We crunched all the numbers in our flight calendar and it looks like the cheapest time to book a flight to New York is around 40 days in advance, so don’t leave your flight to the last minute.
Currently, Frontier Airlines offers the cheapest flight tickets to New York LaGuardia.

Travelling from Ontario International Airport (ONT) to LaGuardia Airport (LGA): what you need to know

  • The timezone in New York is UTC-4, which is three hours ahead of Ontario.

  • Arrive at the airport on time so you don't miss your ONT to LGA flight. Be there at least two hours ahead for international flights and an hour early for domestic departures to avoid the stress of rushing.

  • Travelling during a peak month such as August? School holidays and other high seasons can mean longer lines and delays at security. Play things extra safe and arrive up to four hours ahead of an international flight and two hours before domestic departures.

  • We make it a piece of cake to book a flight with a stopover. To see all your options for tickets from Ontario International Airport to LaGuardia Airport, deselect 'Direct flights only.' Then, pick a flight that has a stop long enough to tour your chosen city. Stopovers between ONT and LGA include:

    • Denver International Airport

    • Dallas/Fort Worth International Airport

    • Dallas Love Field Airport

How to find the cheapest flights from Ontario International Airport (ONT) to LaGuardia Airport (LGA)

  • Currently, R 1,837 is the lowest price we've seen for a one-way Ontario International Airport to LaGuardia Airport flight. The best price for a return plane ticket is R 4,188. Keep in mind that fares could change due to demand when booking.

  • It's often best to book as early as possible if you're hoping to get cheap tickets from ONT to LGA. That's because flight prices are based on demand, which tends to increase closer to departure.

  • Getting cheap flights from Ontario International Airport to LaGuardia Airport is easier if you're flexible with your travel plans. Use the 'Whole month' search tool to see the best prices throughout the month and bag a great deal.

  • Finding cheap flights from ONT to LGA is a piece of cake with Price Alerts. Simply create one of these automatic alerts and we'll notify you when a new discounted fare appears.

  • Secure the perfect flight for you with the help of the filters. To see the 'Fastest,' 'Cheapest' or 'Best' flights from Ontario International Airport to LaGuardia Airport, use the 'Sort by' tool. You can also filter results by departure and arrival times, airline, and number of stops.

Handy information about Ontario International Airport (ONT)

  • You'll find ONT at 2900 E. Airport Drive.

  • Ontario International Airport earns top marks for its on-time performance. 83.6% of flights that take off from ONT reach their destination on time.

  • Central Ontario to Ontario International Airport is around 6 kilometres. Depending on traffic, it'll take about 10 minutes to get there if you're driving, ride-sharing or catching a cab.

  • You can expect a trip time of roughly 1 hour 30 minutes when using public transport.

  • Looking for a convenient hotel close to ONT? If you're catching an early flight from Ontario International Airport to LaGuardia Airport, these stays will have you sleeping moments from your departure lounge:

Arriving at LaGuardia Airport (LGA)

  • The last thing you need is a long journey to your hotel if you're arriving on a late Ontario International Airport to LaGuardia Airport flight. Stay at one of these accommodation options near LGA instead:

  • Travel at your own pace with a LaGuardia Airport rental car. Pick up your wheels from Dollar, Ace Rent a Car or Thrifty and experience more of New York and beyond.

  • Get the best deal by reserving your vehicle from LaGuardia Airport around two weeks in advance of your trip.

Getting from LaGuardia Airport (LGA) to central New York

  • LGA is located at Hangar 7 Centre.

  • LaGuardia Airport is roughly 18 kilometres from central New York. Driving there takes about 25 minutes.

  • It typically takes 1 hour if you're using public transport.

When to fly to LaGuardia Airport (LGA)

  • It's time to choose your dates for your flight from Ontario International Airport to LaGuardia Airport. July is the most popular month to visit New York. If you like a more laid-back vibe, go in February.

  • When booking your flight from Ontario International Airport to LaGuardia Airport, consider the type of weather you enjoy. July is the warmest month in New York, with temperatures ranging from 18ºC (64ºF) to 30ºC (86ºF).

  • January sees average temperatures of between -6ºC (21ºF) and 8ºC (46ºF). Search for cheap tickets from ONT to LGA around that time if you want to travel in cooler conditions.

Explore more of United States

  • You've visited New York, now it's time to discover more of United States. Travel about 129 kilometres south-west to Philadelphia to check off its top attractions. From Liberty Bell to Independence Hall and Philadelphia Museum of Art, you've got a jam-packed schedule ahead.

  • If you're eager to discover another corner of United States, head for Boston, about 306 kilometres north-east of New York. Freedom Trail, Museum of Fine Arts Boston and Boston Tea Party Ships & Museum are key reasons to visit.

Plan the rest of your trip from Ontario to New York

Prices shown on this page are estimated lowest prices only. Found in the last 45 days.