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$126+ 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 5/17. Fares are subject to change and may not be available on all flights or dates of travel.
MSY — ONT
Mar 30 — Apr 61
Sun 3/30
Sun 4/6
1 adult, Economy
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Cheap 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 March 25, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$287
(Delta)

One-way from

$126
(Trip.com)

Popular in

December

Cheapest in

April

Average price

$367
Provider with most accurate pricing for New Orleans Louis Armstrong-Ontario flight deals.
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Provider most trusted by Cheapflights users for New Orleans Louis Armstrong-Ontario flights.
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From New Orleans Louis Armstrong to Ontario
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One-way flight from New Orleans Louis Armstrong to Ontario
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Highest demand for flights based on searches. 2% potential increase in price ($9 potential increase over avg. RT price).
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Cheapest flight prices on average. 1% potential price decrease ($6 potential savings vs. average RT price).
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Average for round-trip flights in March 2025
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Find 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 March 25, 2025.

This Delta deal was found by Cheapflights users on 3/24. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/144:35 pmMSY - ONT
1 stop9h 07mDelta
Mon 5/196:00 amONT - MSY
1 stop6h 04mDelta
Deal found 3/24$287
This CheapOair deal was found by Cheapflights users on 3/24. 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 4/47:46 pmMSY - ONT
1 stop24h 11mFrontier
Mon 4/74:25 pmONT - MSY
1 stop24h 22mFrontier
Deal found 3/24$300
This American Airlines deal was found by Cheapflights users on 3/24. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/166:14 pmMSY - ONT
1 stop7h 41mAmerican Airlines
Mon 7/2111:59 pmONT - MSY
1 stop6h 54mAmerican Airlines
Deal found 3/24$303
This Alaska Airlines deal was found by Cheapflights users on 3/23. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/95:49 pmMSY - ONT
1 stop8h 09mAlaska Airlines
Mon 5/126:24 pmONT - MSY
1 stop9h 31mAlaska Airlines
Deal found 3/23$359
This United Airlines deal was found by Cheapflights users on 3/24. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 4/263:35 pmMSY - ONT
1 stop8h 23mUnited Airlines
Sat 5/31:45 pmONT - MSY
1 stop7h 30mUnited Airlines
Deal found 3/24$363
This Expedia deal was found by Cheapflights users on 3/23. 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.
Thu 3/277:44 pmMSY - ONT
1 stop6h 25mMultiple Airlines
Sat 3/296:00 amONT - MSY
1 stop9h 59mMultiple Airlines
Deal found 3/23$723
This Southwest deal was found by Cheapflights users on 3/23. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 3/279:45 amMSY - ONT
2 stops8h 05mSouthwest
Sat 3/295:05 pmONT - MSY
1 stop5h 00mSouthwest
Deal found 3/23$793

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 March 25, 2025.
Use the filters below to find and compare flights from New Orleans to Ontario that are best for you.

Fly from

New Orleans

Fly to

Ontario

Route

Depart

Return

Price

New OrleansOntario

MSY - ONT

MSYONT

New Orleans Louis Armstrong

Wed 5/14

4:35 pm-11:42 pm

1 stop9h 07m

Ontario

Mon 5/19

6:00 am-2:04 pm

1 stop6h 04m

$287

New OrleansOntario

MSY - ONT

MSYONT

New Orleans Louis Armstrong

Fri 4/4

7:46 pm-5:57 pm

1 stop24h 11m

Ontario

Mon 4/7

4:25 pm-6:47 pm

1 stop24h 22m

$300

New OrleansOntario

MSY - ONT

MSYONT

New Orleans Louis Armstrong

Fri 5/9

5:49 pm-11:58 pm

1 stop8h 09m

Ontario

Mon 5/12

6:24 pm-5:55 am

1 stop9h 31m

$359

New OrleansOntario

MSY - ONT

MSYONT

New Orleans Louis Armstrong

Sat 4/26

3:35 pm-9:58 pm

1 stop8h 23m

Ontario

Sat 5/3

1:45 pm-11:15 pm

1 stop7h 30m

$363

New OrleansOntario

MSY - ONT

MSYONT

New Orleans Louis Armstrong

Thu 4/10

7:00 am-1:49 pm

1 stop8h 49m

Ontario

Tue 4/15

10:54 am-8:10 pm

1 stop7h 16m

$395

New OrleansOntario

MSY - ONT

MSYONT

New Orleans Louis Armstrong

Thu 3/27

7:44 pm-12:09 am

1 stop6h 25m

Ontario

Sat 3/29

6:00 am-5:59 pm

1 stop9h 59m

$723

New OrleansOntario

MSY - ONT

MSYONT

New Orleans Louis Armstrong

Thu 3/27

9:45 am-3:50 pm

2 stops8h 05m

Ontario

Sat 3/29

5:05 pm-12:05 am

1 stop5h 00m

$793

New OrleansOntario

MSY - ONT

MSYONT

New Orleans Louis Armstrong

Sat 5/17

6:52 am-9:27 pm

1 stop16h 35m

$126

New OrleansOntario

MSY - ONT

MSYONT

New Orleans Louis Armstrong

Tue 4/15

1:46 pm-6:29 pm

1 stop6h 43m

$136

New OrleansOntario

MSY - ONT

MSYONT

New Orleans Louis Armstrong

Sat 4/19

7:47 pm-11:59 pm

1 stop6h 12m

$139

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/23

Showing 1-10 of 14 results
1
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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 March.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*3 stars
eDreamsPrice Accuracy3 starsTrust Score*3 stars
CheapfaremartPrice Accuracy-Trust Score*3 stars
PricelinePrice Accuracy1 starTrust Score*3 stars
CheapOairPrice 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 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, August is the cheapest month in which you can book a flight from New Orleans to Ontario (average of $246). Flying from New Orleans to Ontario in March is currently the most expensive (average of $324). 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.

What is the cheapest time of day to fly from MSY to ONT?

Find hourly flight availability from New Orleans to Ontario. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated March 25, 2025.

A simple way to save on the total cost of your ticket is to fly from New Orleans to Ontario in the evening. If you’re flexible enough to do this you can expect to save up to 36% on your trip compared to booking a flight in the morning.

Rainfall in Ontario by month

Plan your trip to Ontario by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Ontario ranges from 0.1 - 3.4 inches per month. February is typically the wettest month, when rainfall can reach 3.4 in. June is typically the driest time to visit Ontario when rainfall is around 0.1 in.

Temperature in Ontario by month

Plan your trip to Ontario by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Ontario, use this chart to help with planning. For those seeking warmer temperatures, August is the ideal time of year to visit, when temperatures reach an average of 78.8 F. Travelers looking to avoid the cold should look outside of December, when temperatures are typically at their lowest (around 53.6 F).

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 March 25, 2025.
Read reviews from past customers who have flown Alaska Airlines, Delta and United Airlines from New Orleans to Ontario. In addition to providing an overall rating, users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Alaska Airlines
8.0
Very good
9,782 reviews

Overall

8.0

Food

7.1

Comfort

7.9

Boarding

8.2

Crew

8.5

Entertainment

7.1

Reviews

1 / 20
10.0
Excellent

Seleste,Dec 2024

FAT - SAN

The attention and efficiency of the staff and the good handling of the pilot
Alaska Airlines
8.0
Very good
9,782 reviews
Alaska Airlines
8.0
Very good
9,782 reviews

Overall

8.0

Food

7.1

Comfort

7.9

Boarding

8.2

Crew

8.5

Entertainment

7.1

Reviews

1 / 20
10.0
Excellent

Seleste,Dec 2024

FAT - SAN

The attention and efficiency of the staff and the good handling of the pilot
Delta
8.0
Very good
7,890 reviews
Alaska Airlines
8.0
Very good
9,782 reviews

Overall

8.0

Food

7.1

Comfort

7.9

Boarding

8.2

Crew

8.5

Entertainment

7.1

Reviews

1 / 20
10.0
Excellent

Seleste,Dec 2024

FAT - SAN

The attention and efficiency of the staff and the good handling of the pilot
United Airlines
7.4
Good
8,605 reviews
Alaska Airlines
8.0
Very good
9,782 reviews

Overall

8.0

Food

7.1

Comfort

7.9

Boarding

8.2

Crew

8.5

Entertainment

7.1

Reviews

1 / 20
10.0
Excellent

Seleste,Dec 2024

FAT - SAN

The attention and efficiency of the staff and the good handling of the pilot
JetBlue
7.3
Good
2,924 reviews
Alaska Airlines
8.0
Very good
9,782 reviews

Overall

8.0

Food

7.1

Comfort

7.9

Boarding

8.2

Crew

8.5

Entertainment

7.1

Reviews

1 / 20
10.0
Excellent

Seleste,Dec 2024

FAT - SAN

The attention and efficiency of the staff and the good handling of the pilot
American Airlines
7.2
Good
10,000 reviews
Alaska Airlines
8.0
Very good
9,782 reviews

Overall

8.0

Food

7.1

Comfort

7.9

Boarding

8.2

Crew

8.5

Entertainment

7.1

Reviews

1 / 20
10.0
Excellent

Seleste,Dec 2024

FAT - SAN

The attention and efficiency of the staff and the good handling of the pilot

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.

  • 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 $287. Other airlines that can offer you cheap pricing are Frontier, from $288, and American Airlines, from $303. Users have found that Delta is 25% 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 American Airlines. According to our data, you can fly for as low as $136. Users have also found prices from $139 and $148 on Frontier and Alaska Airlines, 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, August is the cheapest month in which you can book a flight from New Orleans to Ontario (average of $246). Flying from New Orleans to Ontario in March is currently the most expensive (average of $324). 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

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Alternative routes for New Orleans to Ontario

See prices for flight routes from nearby airports that may be better suited for you.
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Top 5 airlines flying from New Orleans to Ontario

Discover the top 5 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 March 25, 2025.
AirlineCheapestAverageFlexibilityOn-time
Spirit AirlinesCheapest$120Average$194FlexibilityNo cancel feeOn-time65%
FrontierCheapest$160Average$259FlexibilityNo cancel feeOn-time62%
SouthwestCheapest$294Average$416FlexibilityNo cancel feeOn-time63%
American AirlinesCheapest$306Average$431FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$329Average$399FlexibilityNo cancel feeOn-time69%
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