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Ontario

$106+ Cheap flights from New Orleans to Ontario (MSY - ONT)

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 10/19. Fares are subject to change and may not be available on all flights or dates of travel.
MSY — ONT
Sep 14 — Sep 211
Mon 9/14
Mon 9/21
1 adult, Economy
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Cheap flight deals from New Orleans to Ontario

Cheapest flights from New Orleans to Ontario
Explore the most affordable flight options available from New Orleans to Ontario. Find the lowest fares from popular airlines and budget airlines, with prices last updated on August 15, 2026.

This Frontier deal was found by Cheapflights users on 8/10. 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.
Thu 9/249:00 pm -
1 stop12h 04m
Mon 9/288:00 am -
1 stop10h 04m
Deal found 8/10$212
This Frontier deal was found by Cheapflights users on 8/13. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/109:00 pm -
1 stop12h 04m
Thu 9/178:00 am -
1 stop10h 04m
Deal found 8/13$213
This CheapOair deal was found by Cheapflights users on 8/13. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/179:00 pm -
1 stop21h 59m
Wed 9/232:30 pm -
1 stop27h 34m
Deal found 8/13$222
This Frontier deal was found by Cheapflights users on 8/13. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/283:35 pm -
1 stop10h 20m
Sat 10/316:15 am -
1 stop6h 25m
Deal found 8/13$237
This Kiwi.com deal was found by Cheapflights users on 8/10. 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.
Fri 9/49:52 pm -
1 stop27h 58m
Sun 9/610:49 am -
1 stop7h 47m
Deal found 8/10$238
This Frontier deal was found by Cheapflights users on 8/10. 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.
Thu 9/109:00 pm -
1 stop12h 04m
Mon 9/148:00 am -
1 stop10h 04m
Deal found 8/10$242
This CheapOair deal was found by Cheapflights users on 8/13. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/259:00 pm -
1 stop14h 09m
Sat 9/262:30 pm -
1 stop27h 34m
Deal found 8/13$246
This CheapOair deal was found by Cheapflights users on 8/13. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/810:37 am -
1 stop15h 13m
Mon 10/128:00 am -
1 stop11h 22m
Deal found 8/13$247
This Expedia deal was found by Cheapflights users on 8/14. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/29:00 pm -
1 stop21h 34m
Mon 10/58:00 am -
1 stop10h 04m
Deal found 8/14$266
This Frontier deal was found by Cheapflights users on 8/11. 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.
Fri 10/91:22 pm -
1 stop8h 37m
Mon 10/196:00 am -
1 stop6h 40m
Deal found 8/11$267
This Frontier deal was found by Cheapflights users on 8/11. 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.
Thu 9/109:00 pm -
1 stop12h 04m
Sun 9/138:00 am -
1 stop10h 04m
Deal found 8/11$270
This Kiwi.com deal was found by Cheapflights users on 8/10. 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 9/55:41 pm -
1 stop16h 57m
Sun 9/610:49 am -
1 stop7h 47m
Deal found 8/10$275

Find flight deals from New Orleans to Ontario

Discover tips and strategies to find the most affordable flight options for your journey from New Orleans (MSY) to Ontario (ONT). 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 August 15, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$212
(Frontier)

One-way from

$106
(Frontier)

Popular in

January

Cheapest in

March

Average price

$420
Provider with most accurate pricing for New Orleans Louis Armstrong-Ontario flight deals.
Search Deals
Provider most trusted by Cheapflights users for New Orleans Louis Armstrong-Ontario flights.
Search Deals
From New Orleans Louis Armstrong to Ontario
Search Deals
One-way flight from New Orleans Louis Armstrong to Ontario
Search Deals
Highest demand for flights based on searches. 14% potential increase in price ($81 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 6% potential price decrease ($28 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in August 2026
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from New Orleans to Ontario 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 August 15, 2026.
Use the filters below to find and compare flights from New Orleans to Ontario that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

New OrleansOntario

MSY New Orleans Louis Armstrong - ONT Ontario

MSYONT

New Orleans Louis Armstrong

Thu 9/10

3:45 pm-9:59 pm

1 stop8h 14m

Ontario

Tue 9/15

9:01 am-6:40 pm

1 stop7h 39m

$411

New OrleansOntario

MSY New Orleans Louis Armstrong - ONT Ontario

MSYONT

New Orleans Louis Armstrong

Thu 9/10

3:45 pm-9:59 pm

1 stop8h 14m

Ontario

Sat 9/12

1:18 pm-9:31 pm

1 stop6h 13m

$411

New OrleansOntario

MSY New Orleans Louis Armstrong - ONT Ontario

MSYONT

New Orleans Louis Armstrong

Sat 9/26

3:43 pm-9:59 pm

1 stop8h 16m

Ontario

Mon 9/28

11:10 am-10:51 pm

1 stop9h 41m

$411
Quickest round-trip

New OrleansOntario

MSY New Orleans Louis Armstrong - ONT Ontario

MSYONT

New Orleans Louis Armstrong

Tue 9/29

6:20 am-11:05 am

1 stop6h 45m

Ontario

Sun 10/4

6:00 am-1:51 pm

1 stop5h 51m

$426

New OrleansOntario

MSY New Orleans Louis Armstrong - ONT Ontario

MSYONT

New Orleans Louis Armstrong

Sat 11/7

7:00 am-6:47 pm

2 stops13h 47m

Ontario

Fri 11/13

1:35 pm-10:20 pm

1 stop6h 45m

$460

New OrleansOntario

MSY New Orleans Louis Armstrong - ONT Ontario

MSYONT

New Orleans Louis Armstrong

Sat 9/26

5:28 pm-9:59 pm

1 stop6h 31m

Ontario

Tue 9/29

1:22 pm-9:44 pm

1 stop6h 22m

$477

New OrleansOntario

MSY New Orleans Louis Armstrong - ONT Ontario

MSYONT

New Orleans Louis Armstrong

Thu 8/27

5:30 am-4:10 pm

2 stops12h 40m

Ontario

Mon 8/31

5:15 am-3:30 pm

2 stops8h 15m

$487

New OrleansOntario

MSY New Orleans Louis Armstrong - ONT Ontario

MSYONT

New Orleans Louis Armstrong

Sat 9/12

2:05 pm-10:59 pm

1 stop10h 54m

Ontario

Sun 9/13

9:01 am-6:40 pm

1 stop7h 39m

$499

New OrleansOntario

MSY New Orleans Louis Armstrong - ONT Ontario

MSYONT

New Orleans Louis Armstrong

Tue 9/8

8:13 am-2:01 pm

1 stop7h 48m

Ontario

Fri 9/11

1:18 pm-9:31 pm

1 stop6h 13m

$516

New OrleansOntario

MSY New Orleans Louis Armstrong - ONT Ontario

MSYONT

New Orleans Louis Armstrong

Thu 9/10

12:00 pm-10:59 pm

2 stops12h 59m

Ontario

Sun 9/13

5:00 am-2:58 pm

1 stop7h 58m

$522

Flights are sorted by cheapest round-trip flights first.

Deals found on 8/13

Showing 1-10 of 21 resultsSorted by cheapest first
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Compare providers for flights from New Orleans to Ontario

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 New Orleans to Ontario in August.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*3 stars
CheapfaremartPrice Accuracy-Trust Score*1 star
JustAirTicketPrice Accuracy-Trust Score*1 star

*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 New Orleans-Ontario flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on New Orleans-Ontario flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from New Orleans-Ontario flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on New Orleans-Ontario 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 New Orleans-Ontario 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 New Orleans to Ontario

Have a flexible travel schedule? Discover the best time to fly to Ontario from New Orleans 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 New Orleans to Ontario

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

Currently, March is the cheapest month in which you can book a flight from New Orleans to Ontario (average of $330). Flying from New Orleans to Ontario in January is currently the most expensive (average of $787). 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.

Reviews of airlines servicing Ontario

Get insights into the airlines that provide service to Ontario. 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 Ontario. Reviews last updated August 15, 2026.
Read reviews from past customers who have flown Southwest,American Airlines, andFrontier from New Orleans to Ontario. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
Southwest
8.0
Very good
4,219 reviews

Entertainment

7.5

Overall

8.0

Boarding

8.1

Crew

8.6

Comfort

8.0

Food

7.0

Reviews

1 / 20
10.0
Excellent

Walter,May 2026

LAS - BUR

Short but excellent flight. Everyone was friendly and professional it was a great flight!
Southwest
8.0
Very good
4,219 reviews
Southwest
8.0
Very good
4,219 reviews

Entertainment

7.5

Overall

8.0

Boarding

8.1

Crew

8.6

Comfort

8.0

Food

7.0

Reviews

1 / 20
10.0
Excellent

Walter,May 2026

LAS - BUR

Short but excellent flight. Everyone was friendly and professional it was a great flight!
American Airlines
7.1
Good
11,941 reviews
Southwest
8.0
Very good
4,219 reviews

Entertainment

7.5

Overall

8.0

Boarding

8.1

Crew

8.6

Comfort

8.0

Food

7.0

Reviews

1 / 20
10.0
Excellent

Walter,May 2026

LAS - BUR

Short but excellent flight. Everyone was friendly and professional it was a great flight!
Frontier
5.6
Fair
2,691 reviews
Southwest
8.0
Very good
4,219 reviews

Entertainment

7.5

Overall

8.0

Boarding

8.1

Crew

8.6

Comfort

8.0

Food

7.0

Reviews

1 / 20
10.0
Excellent

Walter,May 2026

LAS - BUR

Short but excellent flight. Everyone was friendly and professional it was a great flight!

Related info for your journey

Find useful and relevant information for your journey from New Orleans to Ontario. 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 New Orleans to Ontario?

    For as low as $426, United Airlines can have you in Ontario from New Orleans in 6h 45m. Airlines will cover a distance of 1620 mi. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

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

    Cheapflights users have booked flights from New Orleans to Ontario round-trip from $169. Other airlines that can offer you cheap pricing are Southwest, from $332, and American Airlines, from $345. Users have found that Frontier is 64% cheaper than the other options available to this destination.

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

    For one-way options, check prices for Frontier. According to our data, you can fly for as low as $95. Users have also found prices from $118 and $166 on United Airlines and Southwest, respectively.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from New Orleans to Ontario 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 New Orleans to Ontario?

    Currently, March is the cheapest month in which you can book a flight from New Orleans to Ontario (average of $330). Flying from New Orleans to Ontario in January is currently the most expensive (average of $787). 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

Browse thousands of different options on Cheapflights for your next trip

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Top 3 airlines flying from New Orleans to Ontario

Discover the top 3 airlines that operate flights from New Orleans to Ontario. 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 August 15, 2026.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$169Average$248FlexibilityNo cancel feeOn-time62%
SouthwestCheapest$332Average$441FlexibilityNo cancel feeOn-time63%
American AirlinesCheapest$345Average$442FlexibilityNo cancel feeOn-time71%

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