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Not ready to book? to track prices.Find the cheapest flights from New York LaGuardia Airport to Los Angeles
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Southwest flights from New York LaGuardia Airport to Ontario
Our best Southwest deals on New York LaGuardia Airport to Ontario flight tickets
Delta flights from New York LaGuardia Airport to Ontario
Our best Delta deals on New York LaGuardia Airport to Ontario flight tickets
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How to get the cheapest flight ticket from New York LaGuardia Airport to Ontario
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 Ontario?
The month of September is, on average, the cheapest month to fly to Ontario from New York LaGuardia Airport, with most prices found around C$ 391. The month of August is another great option to travel to Ontario, with average flight prices from New York LaGuardia Airport averaging around C$ 420.
How have New York LaGuardia Airport to Ontario flight prices changed over time?
As of June 2025, prices for New York LaGuardia Airport to Ontario flights are approximately 3% more expensive when compared to flights at the same time last year.
When to book flights from New York LaGuardia Airport to Ontario
Cheap New York LaGuardia Airport to Ontario (LGA to ONT) flight deals and tips
Find info about flight duration, direct flights, and airports for your flight from New York LaGuardia Airport to Ontario
How far is New York LaGuardia to Ontario by plane?
Ontario is 3893.4 km away from New York LaGuardia. By plane, this route typically takes 7h 30m.
When did momondo last update prices for flights from New York LaGuardia Airport to Ontario Airport?
Prices for flights from New York LaGuardia Airport to Ontario Airport are refreshed on a daily basis.
How old do you have to be to fly from New York LaGuardia Airport to Ontario 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 New York LaGuardia Airport to Ontario Airport.
What documentation or ID do you need to fly to Ontario Airport?
The travel and health documents you'll need for your trip to Ontario Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Ontario Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.
Why use momondo?
Why should I use momondo to find a flight deal from New York to Ontario?
momondo collates all your flight options in one place and lets you filter them to find the perfect flight from New York to Ontario. momondo saves you time and could save you money on your trip.
Can I find flights from New York to Ontario with flexible booking policies on momondo?
momondo does allow users to show only those flights to Ontario from New York which offer a flexible booking policy as well as other useful filters and features.
How can momondo help me find flights from New York to Ontario?
Once you have performed a search in the form on the page, momondo provides useful filters and insights. We can show you the cheapest days and times to fly as well as help filter your options to help you make an informed choice when booking flights to Ontario from New York.
I’m not ready to book a flight from New York to Ontario right now. Can momondo alert me if prices change?
Yes. momondo can track prices for New York to Ontario flights and alert you when they change. Perform a search to set up the price alert. All that is required is a valid email address.