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Uncover the best deals on New York to Ontario flights by comparing fares from hundreds of airlines and agencies.
Good to Know: Cheapest and Fastest LGA - ONT Flights
Useful information for finding best airline tickets from La Guardia to Ontario International on your next trip.
Cheapest Round Trip Flight
$284
Delta Airlines
• 1 stop
• 12h 22m
Aug 11 – Aug 26
The cheapest round trip flight from New York to Ontario (LGA-ONT-LGA) is currently $284
Fastest Flight
12h 22m
The fastest nonstop flight from New York to Ontario (LGA-ONT) takes 12h 22m
Top Airlines Flying from New York to Ontario
Latest Flight Deals from New York (LGA) to Ontario (ONT)
Compare and book low fare round-trip air tickets from New York to Ontario. Ideal for travelers with confirmed return itineraries.
Aug 11 - Aug 26, Economy
New York → Ontario
12h 22m
6:00 AM - 10:42 AM • 1 stop
New York → Ontario
12h 23m
11:59 PM - 10:42 AM • 1 stop
Delta Airlines
Aug 13 - Aug 18, Economy
New York → Ontario
13h 50m
10:40 AM - 4:10 PM • 1 stop
New York → Ontario
20h 35m
7:00 AM - 10:35 PM • 1 stop
Southwest Airlines
Aug 13 - Aug 18, Economy
New York → Ontario
21h 50m
6:00 AM - 4:10 PM • 1 stop
New York → Ontario
16h 55m
7:00 AM - 8:15 PM • 1 stop
Southwest Airlines
Aug 13 - Aug 18, Economy
New York → Ontario
13h 50m
10:40 AM - 4:10 PM • 1 stop
New York → Ontario
17h 25m
6:40 AM - 8:25 PM • 2 stops
Southwest Airlines
Aug 13 - Aug 18, Economy
New York → Ontario
20h
10:20 AM - 7:20 PM • 1 stop
New York → Ontario
13h 30m
5:45 AM - 4:55 PM • 2 stops
Southwest Airlines
Flying to Ontario soon? We've surfaced some of the most affordable last-minute flights from New York to Ontario, ideal for urgent plans or spontaneous trips.
Aug 11 - Aug 26, Economy
New York → Ontario
12h 22m
6:00 AM - 10:42 AM • 1 stop
New York → Ontario
12h 23m
11:59 PM - 10:42 AM • 1 stop
Delta Airlines
Aug 09 - Aug 15, Economy
New York → Ontario
22h 5m
1:10 PM - 11:35 PM • 1 stop
New York → Ontario
19h
7:05 AM - 9:45 PM • 1 stop
Southwest Airlines
Aug 09 - Aug 15, Economy
New York → Ontario
18h 40m
3:15 PM - 11:35 PM • 1 stop
New York → Ontario
19h
7:05 AM - 9:45 PM • 1 stop
Southwest Airlines
Aug 09 - Aug 15, Economy
New York → Ontario
16h 55m
6:55 AM - 2:10 PM • 1 stop
New York → Ontario
19h
7:05 AM - 9:45 PM • 1 stop
Southwest Airlines
Aug 09 - Aug 15, Economy
New York → Ontario
15h
6:00 AM - 12:00 PM • 1 stop
New York → Ontario
19h
7:05 AM - 9:45 PM • 1 stop
Southwest Airlines
FAQs on New York to Ontario Flights
What are the airports in New York?
JFK,LGA,EWR
What’s the most popular airline flying from LGA to ONT?
The most popular airline flying from New York to Ontario are
Can I fly from LGA to ONT non-stop?
NO
Which airlines fly nonstop between New York and Ontario?
The non-stop flights between New York and Ontario are .
What’s the earliest departure time from LGA to ONT Airport?
The earliest flight leaves LGA at 6:00 am and lands in ONT - Ontario International
What are the airports in Ontario?
ONT
Can I make changes to my New York to Ontario flight tickets or cancel them on FareLeaders.com?
No. We are an airfare comparison site. All the tickets are booked by the travel agent offering the flight deal and any changes or cancellations to be made are directly done directly by them or the airlines.
Can I cancel my flight tickets from LGA to ONT?
Read the fare rules of the New York to Ontario air tickets booked. Some airlines allow you to cancel the tickets within a stipulated time period with a cancellation fee.
Which airline alliances offer flights from New York and Ontario?
operate flights between New York and Ontario
How long does a flight from New York to Ontario take?
It takes approximately 5 hour to fly non-stop from LGA to ONT, which is 2423.89 miles by air.
Which airlines provide the cheapest flights from New York (LGA) to Ontario (ONT) ?
In the past couple of days, the cheapest tickets to ONT from LGA were found on DL : USD 284
Do I need a passport to fly between LGA and ONT?
No
What’s the latest departure time from LGA to ONT ?
The last flight leaves LGA at 3:15 pm
New York (LGA) to Ontario (ONT): Airport Information
| Origin Airport | La Guardia , New York, US |
| Destination Airport | Ontario International , Ontario, US |
| Distance | 2424 miles |
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