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$98+ Cheap flights from Ontario to New Orleans (ONT - MSY)

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 9/5. Fares are subject to change and may not be available on all flights or dates of travel.
ONT — MSY
Aug 16 — Aug 231
Sun 8/16
Sun 8/23
1 adult, Economy
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Cheap flight deals from Ontario to New Orleans

Cheapest flights from Ontario to New Orleans
Explore the most affordable flight options available from Ontario to New Orleans. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 17, 2026.

This Kiwi.com deal was found by Cheapflights users on 7/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/208:17 am
ONT
-
MSY
1 stop6h 39m
Frontier
Mon 8/245:41 pm
MSY
-
ONT
1 stop16h 55m
Frontier
Deal found 7/16$232
This Kiwi.com deal was found by Cheapflights users on 7/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/128:17 am
ONT
-
MSY
1 stop27h 12m
Frontier
Mon 8/172:14 pm
MSY
-
ONT
1 stop20h 22m
Frontier
Deal found 7/14$237
This Frontier deal was found by Cheapflights users on 7/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/3110:49 am
ONT
-
MSY
1 stop8h 02m
Frontier
Sat 9/123:35 pm
MSY
-
ONT
1 stop10h 20m
Frontier
Deal found 7/16$240
This Kiwi.com deal was found by Cheapflights users on 7/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/196:00 am
ONT
-
MSY
1 stop6h 40m
Frontier
Sat 9/263:35 pm
MSY
-
ONT
1 stop10h 20m
Frontier
Deal found 7/13$243
This CheapOair deal was found by Cheapflights users on 7/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/1310:49 am
ONT
-
MSY
1 stop8h 14m
Frontier
Thu 8/209:36 pm
MSY
-
ONT
1 stop28h 14m
Frontier
Deal found 7/14$250
This Kiwi.com deal was found by Cheapflights users on 7/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/2010:49 am
ONT
-
MSY
2 stops29h 13m
Frontier
Mon 8/315:41 pm
MSY
-
ONT
1 stop16h 55m
Frontier
Deal found 7/17$254
This Travelocity deal was found by Cheapflights users on 7/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Travelocity is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/268:07 am
ONT
-
MSY
1 stop7h 01m
Frontier
Mon 9/283:35 pm
MSY
-
ONT
1 stop24h 22m
Frontier
Deal found 7/14$257
This Super.com deal was found by Cheapflights users on 7/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/248:07 am
ONT
-
MSY
1 stop7h 01m
Frontier
Mon 9/283:35 pm
MSY
-
ONT
1 stop24h 22m
Frontier
Deal found 7/16$259
This Kiwi.com deal was found by Cheapflights users on 7/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/811:16 am
ONT
-
MSY
1 stop23h 11m
Frontier
Wed 10/143:35 pm
MSY
-
ONT
1 stop10h 20m
Frontier
Deal found 7/13$260

Find flight deals from Ontario to New Orleans

Discover tips and strategies to find the most affordable flight options for your journey from Ontario (ONT) to New Orleans (MSY). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated July 17, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$232
(Kiwi.com)

One-way from

$98
(Kiwi.com)

Popular in

March

Cheapest in

August

Average price

$476
Provider with most accurate pricing for Ontario-New Orleans Louis Armstrong flight deals.
Search Deals
Provider most trusted by Cheapflights users for Ontario-New Orleans Louis Armstrong flights.
Search Deals
From Ontario to New Orleans Louis Armstrong
Search Deals
One-way flight from Ontario to New Orleans Louis Armstrong
Search Deals
Highest demand for flights based on searches. 9% potential increase in price ($46 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($12 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in July 2026
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Ontario to New Orleans that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated July 17, 2026.
Use the filters below to find and compare flights from Ontario to New Orleans that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

OntarioNew Orleans

ONT - MSY

ONTMSY

Ontario

Fri 10/30

2:40 pm-11:55 pm

1 stop7h 15m

New Orleans Louis Armstrong

Mon 11/2

7:40 pm-11:35 pm

1 stop5h 55m

$333

OntarioNew Orleans

ONT - MSY

ONTMSY

Ontario

Fri 10/30

11:00 am-12:20 am

2 stops11h 20m

New Orleans Louis Armstrong

Thu 11/5

3:25 pm-9:40 pm

2 stops8h 15m

$349

OntarioNew Orleans

ONT - MSY

ONTMSY

Ontario

Sat 9/26

10:15 am-7:50 pm

2 stops7h 35m

New Orleans Louis Armstrong

Tue 9/29

4:15 pm-8:55 pm

2 stops6h 40m

$356

OntarioNew Orleans

ONT - MSY

ONTMSY

Ontario

Sat 9/26

10:15 am-7:50 pm

2 stops7h 35m

New Orleans Louis Armstrong

Mon 9/28

5:10 am-9:55 am

2 stops6h 45m

$369

OntarioNew Orleans

ONT - MSY

ONTMSY

Ontario

Thu 10/22

11:00 am-12:20 am

2 stops11h 20m

New Orleans Louis Armstrong

Mon 10/26

5:10 am-10:20 am

2 stops7h 10m

$395

OntarioNew Orleans

ONT - MSY

ONTMSY

Ontario

Fri 12/4

10:59 pm-8:06 am

1 stop7h 07m

New Orleans Louis Armstrong

Tue 12/8

10:40 am-6:18 pm

1 stop9h 38m

$405

OntarioNew Orleans

ONT - MSY

ONTMSY

Ontario

Thu 8/13

12:50 pm-10:00 pm

2 stops7h 10m

New Orleans Louis Armstrong

Sun 8/16

6:15 am-4:00 pm

2 stops11h 45m

$415

OntarioNew Orleans

ONT - MSY

ONTMSY

Ontario

Wed 12/2

5:50 am-3:55 pm

2 stops8h 05m

New Orleans Louis Armstrong

Sun 12/6

9:25 am-3:25 pm

2 stops8h 00m

$415

OntarioNew Orleans

ONT - MSY

ONTMSY

Ontario

Sat 8/15

7:05 am-4:05 pm

2 stops7h 00m

New Orleans Louis Armstrong

Sun 8/16

6:15 am-4:00 pm

2 stops11h 45m

$428

OntarioNew Orleans

ONT - MSY

ONTMSY

Ontario

Sun 9/27

5:35 am-4:15 pm

2 stops8h 40m

New Orleans Louis Armstrong

Wed 9/30

4:15 pm-8:55 pm

2 stops6h 40m

$428

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/15

Showing 1-10 of 23 resultsSorted by cheapest first
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2
3

Compare providers for flights from Ontario to New Orleans

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Ontario to New Orleans in July.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*3 stars
JustAirTicketPrice Accuracy-Trust Score*1 star
CheapflightsfaresPrice Accuracy2 starsTrust Score*1 star
PricelinePrice Accuracy1 starTrust Score*3 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on Ontario-New Orleans flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Ontario-New Orleans flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Ontario-New Orleans flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Ontario-New Orleans flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Ontario-New Orleans flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

Best time to book a flight from Ontario to New Orleans

Have a flexible travel schedule? Discover the best time to fly to New Orleans from Ontario with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Ontario to New Orleans

How far ahead should I book a flight from Ontario to New Orleans?

To ensure you get the cheapest price possible for a flight from Ontario to New Orleans, you should look to book at least 51 days in advance of your intended travel date. The price of your flight may increase if you delay and leave booking until a week or so before departure.

What is the cheapest month to book a flight from Ontario to New Orleans?

Currently, August is the cheapest month in which you can book a flight from Ontario to New Orleans (average of $330). Flying from Ontario to New Orleans in March is currently the most expensive (average of $568). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

How much does it cost to fly round-trip from Ontario to New Orleans?

Reviews of airlines servicing New Orleans

Get insights into the airlines that provide service to New Orleans. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to New Orleans. Reviews last updated July 17, 2026.
Peruse reviews from past customers who have flown with Southwest,Delta, andUnited Airlines from Ontario to New Orleans to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
Southwest
8.0
Very good
4,241 reviews

Boarding

8.1

Comfort

8.0

Food

7.0

Entertainment

7.5

Crew

8.6

Overall

8.0

Reviews

1 / 20
8.0
Excellent

La Tracimeldamarcos,Jun 2026

LAX - SLC

The second flight was not as comfortable as the first as we had to change planes to what seemed to be a slightly older aircraft. The seats weren’t as comfortable as the other plane. But it wasn’t bad.
Southwest
8.0
Very good
4,241 reviews
Southwest
8.0
Very good
4,241 reviews

Boarding

8.1

Comfort

8.0

Food

7.0

Entertainment

7.5

Crew

8.6

Overall

8.0

Reviews

1 / 20
8.0
Excellent

La Tracimeldamarcos,Jun 2026

LAX - SLC

The second flight was not as comfortable as the first as we had to change planes to what seemed to be a slightly older aircraft. The seats weren’t as comfortable as the other plane. But it wasn’t bad.
Delta
7.8
Good
8,474 reviews
Southwest
8.0
Very good
4,241 reviews

Boarding

8.1

Comfort

8.0

Food

7.0

Entertainment

7.5

Crew

8.6

Overall

8.0

Reviews

1 / 20
8.0
Excellent

La Tracimeldamarcos,Jun 2026

LAX - SLC

The second flight was not as comfortable as the first as we had to change planes to what seemed to be a slightly older aircraft. The seats weren’t as comfortable as the other plane. But it wasn’t bad.
United Airlines
7.4
Good
9,997 reviews
Southwest
8.0
Very good
4,241 reviews

Boarding

8.1

Comfort

8.0

Food

7.0

Entertainment

7.5

Crew

8.6

Overall

8.0

Reviews

1 / 20
8.0
Excellent

La Tracimeldamarcos,Jun 2026

LAX - SLC

The second flight was not as comfortable as the first as we had to change planes to what seemed to be a slightly older aircraft. The seats weren’t as comfortable as the other plane. But it wasn’t bad.
American Airlines
7.1
Good
11,820 reviews
Southwest
8.0
Very good
4,241 reviews

Boarding

8.1

Comfort

8.0

Food

7.0

Entertainment

7.5

Crew

8.6

Overall

8.0

Reviews

1 / 20
8.0
Excellent

La Tracimeldamarcos,Jun 2026

LAX - SLC

The second flight was not as comfortable as the first as we had to change planes to what seemed to be a slightly older aircraft. The seats weren’t as comfortable as the other plane. But it wasn’t bad.
Frontier
5.6
Fair
2,791 reviews
Southwest
8.0
Very good
4,241 reviews

Boarding

8.1

Comfort

8.0

Food

7.0

Entertainment

7.5

Crew

8.6

Overall

8.0

Reviews

1 / 20
8.0
Excellent

La Tracimeldamarcos,Jun 2026

LAX - SLC

The second flight was not as comfortable as the first as we had to change planes to what seemed to be a slightly older aircraft. The seats weren’t as comfortable as the other plane. But it wasn’t bad.

Related info for your journey

Find useful and relevant information for your journey from Ontario to New Orleans. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • How long is the flight from Ontario to New Orleans?

    There are many flights that can get you from Ontario to New Orleans in 7h 15m. Fly via Southwest to get the fastest option. The distance between Ontario and New Orleans is about 1620 mi.

  • What are the cheapest airlines flying from Ontario to New Orleans round-trip?

    Frontier, at $94, was found to be the cheapest airline from Ontario to New Orleans.Alternate airlines to your destination round-trip include Delta and American Airlines. Frontier is priced at 78% lower than the current average price of a flight leaving 3 months from now.

  • What are the cheapest airlines to fly from Ontario to New Orleans one-way?

    For one-way options, check prices for Frontier. According to our data, you can fly for as low as $71. Users have also found prices from $118 and $124 on United Airlines and Southwest, respectively.

  • Can I find deals for flights from Ontario to New Orleans that include hotel bookings?

    Yes. In addition to deals on Ontario to New Orleans flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Ontario to New Orleans?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Ontario to New Orleans.

  • Can I find deals for business class flights from Ontario to New Orleans?

    Yes. Cheapflights offers flight deals from Ontario to New Orleans by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Ontario to New Orleans?

    Currently, August is the cheapest month in which you can book a flight from Ontario to New Orleans (average of $330). Flying from Ontario to New Orleans in March is currently the most expensive (average of $568). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Traveling to a place near New Orleans?

Book flights to New Orleans if you plan to visit one of these locations
Metairie
Kenner
Gonzales
Houma
Gretna
Slidell
Thibodaux
Hammond
Covington

Browse thousands of different options on Cheapflights for your next trip

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Top 5 airlines flying from Ontario to New Orleans

Discover the top 5 airlines that operate flights from Ontario to New Orleans. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated July 17, 2026.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$94Average$357FlexibilityNo cancel feeOn-time62%
DeltaCheapest$177Average$386FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$248Average$411FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$248Average$477FlexibilityNo cancel feeOn-time71%
SouthwestCheapest$319Average$462FlexibilityNo cancel feeOn-time63%

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