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$114+ 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 6/1. Fares are subject to change and may not be available on all flights or dates of travel.
MSY — ONT
May 17 — May 241
Sat 5/17
Sat 5/24
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 May 12, 2025.

Most accurate provider

CheapOair
3 stars

Most trusted provider

CheapOair
3 stars

Round-trip from

$277
(Delta)

One-way from

$114
(Cheapflightsfares)

Popular in

December

Cheapest in

April

Average price

$353
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. 3% potential increase in price ($14 potential increase over avg. RT price).
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Cheapest flight prices on average. 1% potential price decrease ($7 potential savings vs. average RT price).
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Average for round-trip flights in May 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 May 12, 2025.

This FlightHub deal was found by Cheapflights users on 5/11. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/136:24 pmMSY - ONT
1 stop7h 35mFrontier
Sat 5/1712:59 amONT - MSY
1 stop15h 51mFrontier
Deal found 5/11$245
This Delta deal was found by Cheapflights users on 5/12. 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.
Tue 7/16:00 amMSY - ONT
1 stop6h 38mDelta
Tue 7/810:05 pmONT - MSY
1 stop7h 50mDelta
Deal found 5/12$277
This American Airlines deal was found by Cheapflights users on 5/12. 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 5/217:00 amMSY - ONT
1 stop8h 52mAmerican Airlines
Sat 5/242:44 pmONT - MSY
1 stop7h 31mAmerican Airlines
Deal found 5/12$296
This Trip.com deal was found by Cheapflights users on 5/11. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/157:50 pmMSY - ONT
1 stop6h 09mMultiple Airlines
Sat 5/171:15 pmONT - MSY
1 stop14h 35mMultiple Airlines
Deal found 5/11$314
This United Airlines deal was found by Cheapflights users on 5/11. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/243:30 pmMSY - ONT
1 stop7h 40mUnited Airlines
Mon 5/265:10 amONT - MSY
1 stop6h 27mUnited Airlines
Deal found 5/11$363
This Hawaiian Airlines deal was found by Cheapflights users on 5/11. 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 Hawaiian Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 6/204:53 pmMSY - ONT
1 stop9h 20mHawaiian Airlines
Fri 6/276:58 pmONT - MSY
1 stop8h 52mHawaiian Airlines
Deal found 5/11$365
This Alaska Airlines deal was found by Cheapflights users on 5/12. 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 8/227:21 amMSY - ONT
2 stops18h 32mAlaska Airlines
Mon 8/256:00 amONT - MSY
1 stop8h 57mAlaska Airlines
Deal found 5/12$421
This Southwest deal was found by Cheapflights users on 5/11. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/235:20 amMSY - ONT
1 stop8h 20mSouthwest
Tue 12/302:15 pmONT - MSY
1 stop7h 25mSouthwest
Deal found 5/11$458

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 May 12, 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

Thu 5/15

7:50 pm-11:59 pm

1 stop6h 09m

Ontario

Sat 5/17

12:59 am-6:50 pm

1 stop15h 51m

$250

New OrleansOntario

MSY - ONT

MSYONT

New Orleans Louis Armstrong

Tue 7/1

6:00 am-10:38 am

1 stop6h 38m

Ontario

Tue 7/8

10:05 pm-7:55 am

1 stop7h 50m

$277

New OrleansOntario

MSY - ONT

MSYONT

New Orleans Louis Armstrong

Wed 5/21

7:00 am-1:52 pm

1 stop8h 52m

Ontario

Sat 5/24

2:44 pm-12:15 am

1 stop7h 31m

$296

New OrleansOntario

MSY - ONT

MSYONT

New Orleans Louis Armstrong

Thu 5/15

7:50 pm-11:59 pm

1 stop6h 09m

Ontario

Sat 5/17

1:15 pm-5:50 am

1 stop14h 35m

$314

New OrleansOntario

MSY - ONT

MSYONT

New Orleans Louis Armstrong

Sat 5/24

3:30 pm-9:10 pm

1 stop7h 40m

Ontario

Mon 5/26

5:10 am-1:37 pm

1 stop6h 27m

$363

New OrleansOntario

MSY - ONT

MSYONT

New Orleans Louis Armstrong

Fri 6/20

4:53 pm-12:13 am

1 stop9h 20m

Ontario

Fri 6/27

6:58 pm-5:50 am

1 stop8h 52m

$365

New OrleansOntario

MSY - ONT

MSYONT

New Orleans Louis Armstrong

Fri 6/13

7:10 am-11:59 pm

2 stops18h 49m

Ontario

Mon 6/16

6:58 pm-5:50 am

1 stop8h 52m

$434

New OrleansOntario

MSY - ONT

MSYONT

New Orleans Louis Armstrong

Sun 5/18

4:55 pm-11:50 pm

2 stops8h 55m

Ontario

Tue 5/20

8:55 am-7:00 pm

2 stops8h 05m

$677

New OrleansOntario

MSY - ONT

MSYONT

New Orleans Louis Armstrong

Sun 6/1

7:21 pm-11:50 pm

1 stop6h 29m

$114

New OrleansOntario

MSY - ONT

MSYONT

New Orleans Louis Armstrong

Tue 7/22

4:53 pm-12:13 am

1 stop9h 20m

$136

Flights are sorted by cheapest round-trip flights first.

Deals found on 5/11

Showing 1-10 of 16 results
1
2

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 May.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*2 stars
PricelinePrice Accuracy2 starsTrust Score*3 stars
CheapfaremartPrice Accuracy-Trust Score*1 star
CheapOairPrice Accuracy3 starsTrust 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 CheapOair to be most consistent on Cheapflights vs. CheapOair Users can find the same prices on New Orleans-Ontario flight deals on Cheapflights vs. CheapOair >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 CheapOair the most. CheapOair 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 $328). 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 May 12, 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 May 12, 2025.
Read reviews from past customers who have flown Alaska Airlines, Southwest and Delta 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
10,000 reviews

Boarding

8.1

Food

7.1

Comfort

7.9

Entertainment

7.1

Overall

8.0

Crew

8.5

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Alaska Airlines
8.0
Very good
10,000 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Boarding

8.1

Food

7.1

Comfort

7.9

Entertainment

7.1

Overall

8.0

Crew

8.5

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Southwest
8.0
Very good
4,290 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Boarding

8.1

Food

7.1

Comfort

7.9

Entertainment

7.1

Overall

8.0

Crew

8.5

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Delta
8.0
Very good
7,950 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Boarding

8.1

Food

7.1

Comfort

7.9

Entertainment

7.1

Overall

8.0

Crew

8.5

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Hawaiian Airlines
7.9
Good
2,432 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Boarding

8.1

Food

7.1

Comfort

7.9

Entertainment

7.1

Overall

8.0

Crew

8.5

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
United Airlines
7.4
Good
8,724 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Boarding

8.1

Food

7.1

Comfort

7.9

Entertainment

7.1

Overall

8.0

Crew

8.5

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.

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 $277. Other airlines that can offer you cheap pricing are American Airlines, from $301, and Frontier, from $307. Users have found that Delta is 26% 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 $114. Users have also found prices from $136 and $137 on Alaska Airlines and American 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 $328). 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 May 12, 2025.
AirlineCheapestAverageFlexibilityOn-time
Spirit AirlinesCheapest$120Average$205FlexibilityNo cancel feeOn-time65%
FrontierCheapest$160Average$259FlexibilityNo cancel feeOn-time62%
SouthwestCheapest$294Average$414FlexibilityNo cancel feeOn-time63%
American AirlinesCheapest$306Average$419FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$329Average$399FlexibilityNo cancel feeOn-time69%

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