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Uncover the best deals on New Orleans to Ontario flights by comparing fares from hundreds of airlines and agencies.
Good to Know: Cheapest and Fastest MSY - ONT Flights
Useful information for finding best airline tickets from Louis Armstrong New Orleans International to Ontario International on your next trip.
Cheapest Round Trip Flight
$283
Southwest Airlines
• 1 stop
• 9h 15m
Oct 29 – Nov 02
The cheapest round trip flight from New Orleans to Ontario (MSY-ONT-MSY) is currently $283
Cheapest One way Flight
$213
Alaska Airlines
• 2 stops
• 31h 44m
Oct 22
The cheapest one way flight from New Orleans to Ontario (MSY-ONT) is currently $213
Cheapest Direct Flight
$130
Southwest Airlines
• nonstop
• 8h 50m
Oct 21
The cheapest nonstop flight from New Orleans to Ontario (MSY-ONT) is currently $130
Fastest Flight
6h 45m
The fastest nonstop flight from New Orleans to Ontario (MSY-ONT) takes 6h 45m
Top Airlines Flying from New Orleans to Ontario
Latest Flight Deals from New Orleans (MSY) to Ontario (ONT)
Compare and book low fare round-trip air tickets from New Orleans to Ontario. Ideal for travelers with confirmed return itineraries.
Oct 29 - Nov 02, Economy
New Orleans → Ontario
9h 15m
6:25 AM - 10:20 AM • 1 stop
New Orleans → Ontario
17h 20m
8:10 PM - 8:50 AM • 1 stop
Southwest Airlines
Oct 29 - Nov 02, Economy
New Orleans → Ontario
10h 55m
5:25 PM - 10:20 PM • 1 stop
New Orleans → Ontario
17h 20m
8:10 PM - 8:50 AM • 1 stop
Southwest Airlines
Oct 29 - Nov 02, Economy
New Orleans → Ontario
10h 5m
5:50 AM - 9:55 AM • 1 stop
New Orleans → Ontario
5h 40m
11:25 AM - 5:05 PM • nonstop
Southwest Airlines
Oct 29 - Nov 02, Economy
New Orleans → Ontario
9h 7m
8:06 AM - 11:53 AM • 1 stop
New Orleans → Ontario
10h 42m
10:30 AM - 7:12 PM • 1 stop
American Airlines
Oct 29 - Nov 02, Economy
New Orleans → Ontario
12h 4m
8:06 AM - 1:30 PM • 1 stop
New Orleans → Ontario
10h 42m
10:30 AM - 7:12 PM • 1 stop
American Airlines
Explore competitive one-way airfare options for MSY - ONT flights. Best suited for flexible or open-ended travel plans.
Flying to Ontario soon? We've surfaced some of the most affordable last-minute flights from New Orleans to Ontario, ideal for urgent plans or spontaneous trips.
Oct 29 - Nov 02, Economy
New Orleans → Ontario
9h 15m
6:25 AM - 10:20 AM • 1 stop
New Orleans → Ontario
17h 20m
8:10 PM - 8:50 AM • 1 stop
Southwest Airlines
Oct 29 - Nov 02, Economy
New Orleans → Ontario
10h 55m
5:25 PM - 10:20 PM • 1 stop
New Orleans → Ontario
17h 20m
8:10 PM - 8:50 AM • 1 stop
Southwest Airlines
Oct 29 - Nov 02, Economy
New Orleans → Ontario
10h 5m
5:50 AM - 9:55 AM • 1 stop
New Orleans → Ontario
5h 40m
11:25 AM - 5:05 PM • nonstop
Southwest Airlines
Oct 29 - Nov 02, Economy
New Orleans → Ontario
9h 7m
8:06 AM - 11:53 AM • 1 stop
New Orleans → Ontario
10h 42m
10:30 AM - 7:12 PM • 1 stop
American Airlines
Oct 29 - Nov 02, Economy
New Orleans → Ontario
12h 4m
8:06 AM - 1:30 PM • 1 stop
New Orleans → Ontario
10h 42m
10:30 AM - 7:12 PM • 1 stop
American Airlines
Looking for the fastest way to Ontario? These direct flight options from MSY to ONT offer both convenience and value—no layovers, just straight to your destination.
Oct 21 - Oct 27, Economy
New Orleans → Ontario
8h 50m
10:50 AM - 2:20 PM • nonstop
New Orleans → Ontario
5h 40m
8:55 AM - 2:35 PM • nonstop
Southwest Airlines
FAQs on New Orleans to Ontario Flights
What are the airports in New Orleans?
MSY
What’s the most popular airline flying from MSY to ONT?
The most popular airline flying from New Orleans to Ontario are
Can I fly from MSY to ONT non-stop?
Yes, you can fly MSY to ONT non-stop on
Which airlines fly nonstop between New Orleans and Ontario?
The non-stop flights between New Orleans and Ontario are .
What’s the earliest departure time from MSY to ONT Airport?
The earliest flight leaves MSY at 5:50 am and lands in ONT - Ontario International
What are the airports in Ontario?
ONT
Can I make changes to my New Orleans 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 MSY to ONT?
Read the fare rules of the New Orleans 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 Orleans and Ontario?
operate flights between New Orleans and Ontario
How long does a flight from New Orleans to Ontario take?
It takes approximately 4 hour to fly non-stop from MSY to ONT, which is 1624.24 miles by air.
Which airlines provide the cheapest flights from New Orleans (MSY) to Ontario (ONT) ?
In the past couple of days, the cheapest tickets to ONT from MSY were found on UA : USD 1058
Do I need a passport to fly between MSY and ONT?
No
What’s the latest departure time from MSY to ONT ?
The last flight leaves MSY at 8:25 pm
New Orleans (MSY) to Ontario (ONT): Airport Information
| Origin Airport | Louis Armstrong New Orleans International , New Orleans, US |
| Destination Airport | Ontario International , Ontario, US |
| Distance | 1624 miles |
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