$74 Cheap Flights from Ontario (ONT) to New Orleans (MSY)

View $74 flight on Sun, Feb 22, 2026Opens in a new window

Popular airlines from Los Angeles - Ontario Intl. Airport (ONT) to Louis Armstrong New Orleans Intl. Airport (MSY)

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Cheap Flights from Ontario to New Orleans (ONT-MSY)

Prices were available within the past 7 days and start at $74 for one-way flights and $148 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Frontier Airlines
Sun, Feb 22 - Fri, Feb 27
ONT
Ontario
MSY
New Orleans
$148 Roundtrip, found 6 hours ago
$148
Roundtrip
found 6 hours ago
Select Frontier Airlines flight, departing Sun, Feb 22 from Ontario to New Orleans, returning Fri, Feb 27, priced at $148 found 6 hours ago
Frontier Airlines
Sun, Feb 22 - Thu, Feb 26
ONT
Ontario
MSY
New Orleans
$158 Roundtrip, found 15 hours ago
$158
Roundtrip
found 15 hours ago
Select Frontier Airlines flight, departing Sun, Feb 22 from Ontario to New Orleans, returning Thu, Feb 26, priced at $158 found 15 hours ago
Frontier Airlines
Mon, Mar 2 - Thu, Mar 5
ONT
Ontario
MSY
New Orleans
$175 Roundtrip, found 3 hours ago
$175
Roundtrip
found 3 hours ago
Select Frontier Airlines flight, departing Mon, Mar 2 from Ontario to New Orleans, returning Thu, Mar 5, priced at $175 found 3 hours ago
Frontier Airlines
Mon, Jan 12 - Thu, Jan 15
ONT
Ontario
MSY
New Orleans
$182 Roundtrip, found 3 hours ago
$182
Roundtrip
found 3 hours ago
Select Frontier Airlines flight, departing Mon, Jan 12 from Ontario to New Orleans, returning Thu, Jan 15, priced at $182 found 3 hours ago
Frontier Airlines
Thu, Jan 15 - Thu, Jan 22
ONT
Ontario
MSY
New Orleans
$184 Roundtrip, found 4 hours ago
$184
Roundtrip
found 4 hours ago
Select Frontier Airlines flight, departing Thu, Jan 15 from Ontario to New Orleans, returning Thu, Jan 22, priced at $184 found 4 hours ago
Frontier Airlines
Thu, Jan 29 - Mon, Feb 2
ONT
Ontario
MSY
New Orleans
$192 Roundtrip, found 5 hours ago
$192
Roundtrip
found 5 hours ago
Select Frontier Airlines flight, departing Thu, Jan 29 from Ontario to New Orleans, returning Mon, Feb 2, priced at $192 found 5 hours ago
United
Wed, Feb 18 - Sun, Feb 22
ONT
Ontario
MSY
New Orleans
$225 Roundtrip, found 5 hours ago
$225
Roundtrip
found 5 hours ago
Select United flight, departing Wed, Feb 18 from Ontario to New Orleans, returning Sun, Feb 22, priced at $225 found 5 hours ago
Alaska Airlines
Wed, Feb 18 - Sun, Feb 22
ONT
Ontario
MSY
New Orleans
$230 Roundtrip, found 5 hours ago
$230
Roundtrip
found 5 hours ago
Select Alaska Airlines flight, departing Wed, Feb 18 from Ontario to New Orleans, returning Sun, Feb 22, priced at $230 found 5 hours ago
Southwest Airlines
Wed, Feb 18 - Sat, Feb 21
ONT
Ontario
MSY
New Orleans
$235 Roundtrip, found 4 hours ago
$235
Roundtrip
found 4 hours ago
Select Southwest Airlines flight, departing Wed, Feb 18 from Ontario to New Orleans, returning Sat, Feb 21, priced at $235 found 4 hours ago
Delta
Wed, Jan 14 - Tue, Jan 20
ONT
Ontario
MSY
New Orleans
$276 Roundtrip, found 6 days ago
$276
Roundtrip
found 6 days ago
Select Delta flight, departing Wed, Jan 14 from Ontario to New Orleans, returning Tue, Jan 20, priced at $276 found 6 days ago

Find the cheapest month to fly from Ontario (ONT) to New Orleans (MSY)

January is typically the cheapest month to fly

From $144 - $474 per traveler.

Alternative airports near New Orleans

Prices were available within the past 7 days. Prices and availability are subject to change.

Select flight to Louis Armstrong New Orleans Intl. MSY. Cheapest option available. Average driving time to city center is 20 minutes. Flights from $557
MSY
Louis Armstrong New Orleans Intl.
Cheapest
Average driving time to city center20 min
Flights from $557
Flights from Ontario (ONT) to New Orleans (MSY)
Origin airport
Los Angeles - Ontario Intl.
Destination airport
Louis Armstrong New Orleans Intl.
Airlines serving
Alaska Airlines, American Airlines, Delta, Frontier Airlines, Hawaiian Airlines, JetBlue Airways, Southwest Airlines, United
Roundtrip price
$148
Distance
1620 mi
Average flight time
4 hours 55 mins

Ontario to New Orleans Flights

The cheapest times to fly from Ontario to New Orleans

On average, Thursday can be the cheapest time to fly, according to data from the Airlines Reporting Corporation (ARC), one of the world's biggest databases for global airline sales. The data reveals that you could save up to 16% by flying on a Thursday—the cheapest day to travel on average—instead of a Sunday—the most expensive. Some of the most affordable flights from Ontario to New Orleans are during the month of February. You can find some of the cheapest flights from Ontario to New Orleans with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from Ontario to New Orleans

Sunday is one of the best days to book for cheap flights from Ontario to New Orleans: Tickets reserved on a Sunday cost between 6% and 13% less than those reserved on a Friday, according to ARC data. The data also suggests booking early can also lead to cheaper airfares. You could save 24% by buying your tickets for domestic flights at least a month in advance and 10% by booking international flights 2 months in advance.

 

How to find cheap round-trip tickets from Ontario to New Orleans

Being flexible with your dates and using Expedia's Price Drop Protection and Price Tracking features are some of the best ways of finding a cheap ticket from Ontario to New Orleans in 2026. You can also book with separate airlines for your outbound and return journeys, from $74 one-way. Expedia also offers Price Drop Protection, so if the cost of your airfare goes down after booking, you'll receive a credit for the difference*. This is available for a small fee, and is free to One Key Gold and Platinum tier members.

 

Expedia's Price Tracking feature means you can stay on top of airfares without manually checking every day. It sends you automated price alerts for cheap Ontario to New Orleans flights and uses historical data to indicate when the best time to book is. Download Expedia's free app to activate this handy tool in a few easy taps.

 

You could also save big by booking one of Expedia's vacation packages. Bundling together your Ontario to New Orleans airfare with your accommodations and car rental is often cheaper than booking everything separately. There’s also One Key, Expedia's generous rewards program. Join for free and you could earn One Key cash on most bookings to save on future adventures.

 

*Terms apply.

 

Disclaimer: ARC The statistics are based on average round-trip ticket prices between January and August 2023. The percentages you see are averages.

 

Frequently asked questions

How much does a flight from Los Angeles - Ontario Intl. Airport (ONT) to Louis Armstrong New Orleans Intl. Airport (MSY) cost?
Lock in a cheap one-way flight from $74 or cheap return flight from $148 from Los Angeles - Ontario Intl. Airport (ONT) to Louis Armstrong New Orleans Intl. Airport (MSY) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to find our cheapest flight deals on this route.
What is the cheapest month to fly from Los Angeles - Ontario Intl. Airport (ONT) to Louis Armstrong New Orleans Intl. Airport (MSY)?
Planning your getaway for February may help you find better deals, as it's the cheapest month for flights between ONT and MSY. You'll often find the lowest prices during the off-season.
Which airlines fly direct from Los Angeles - Ontario Intl. Airport (ONT) to Louis Armstrong New Orleans Intl. Airport (MSY)?
You can't catch a nonstop flight to Louis Armstrong New Orleans Intl. Airport (MSY) from Ontario, CA (ONT-Los Angeles - Ontario Intl.). However, you can easily travel to New Orleans without any layovers by taking off from Los Angeles Intl. Airport (LAX).
What is the cheapest airline that flies from Los Angeles - Ontario Intl. Airport (ONT) to Louis Armstrong New Orleans Intl. Airport (MSY)?
To find the cheapest airline that'll fly you from ONT to MSY, use Expedia's filter tool. Customize your search based on what's important to you, such as preferred carriers and flight duration. You can then sort your results by "Price (lowest to highest)" to see the cheapest flights first.
How many flights per day from Los Angeles - Ontario Intl. Airport (ONT) to Louis Armstrong New Orleans Intl. Airport (MSY)?
You'll have to hop on a flight with a layover if you're traveling from Los Angeles - Ontario Intl. Airport (ONT) to Louis Armstrong New Orleans Intl. Airport (MSY). Direct flights don't operate daily on this route. However, just filter your search to include one or two stops to discover an option that works for you.
What day of the week has the most flights from ONT to MSY?
Friday is typically the busiest day for flights, while Tuesday tends to be the quietest.* Remember that flight schedules can change depending on a number of factors, including the airline and season.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What is the best time to fly from Los Angeles - Ontario Intl. Airport (ONT) to Louis Armstrong New Orleans Intl. Airport (MSY)?
To avoid possible delays on the Los Angeles - Ontario Intl. Airport (ONT) to Louis Armstrong New Orleans Intl. Airport (MSY) route, travel before 3 PM. Departures after this hour have a 22% higher chance of cancellation.**Most reliable time of the day and month to travel recommendation is based on January through August 2024 flight status data sourced from OAG's global flight data platform.
Is it cheaper to buy a plane ticket from Los Angeles - Ontario Intl. Airport (ONT) to Louis Armstrong New Orleans Intl. Airport (MSY) last-minute?
Booking your ticket from ONT to MSY just before your trip is typically more expensive. However, if there's some wiggle room with your departure dates and times, you could land a cheap last-minute fare.
Is it cheaper to book an ONT to MSY flight and hotel package?
You can save money by securing an ONT to MSY flight and hotel package compared to booking separately. In fact, travelers could save hundreds of dollars by bundling with Expedia. And it's easy to manage it all in one place. After choosing your preferred accommodations and flights, you can add extras such as tours, car rentals and activities.
Can I cancel or change the date of my flight from Los Angeles - Ontario Intl. Airport (ONT) to Louis Armstrong New Orleans Intl. Airport (MSY)?
Typically, you can modify or cancel your ONT to MSY flight. However, additional fees may apply, especially if you booked more than 24 hours ago. Double-check your itinerary for the airline's fees and guidelines on flight changes, or if you'd like more information, go to our Customer Service portal.

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*Available to One Key members.