Ontario

$109+ 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 8/7. Fares are subject to change and may not be available on all flights or dates of travel.
MSY — ONT
Jul 6 — Jul 131
We work with more than 300 partners to bring you better travel deals

Find cheap flights from New Orleans to Ontario with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

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 July 1, 2025.

Round-trip from

$274
(American Airlines)

One-way from

$109
(Frontier)

Popular in

December

Cheapest in

June

Average price

$377
From New Orleans Louis Armstrong to Ontario
One-way flight from New Orleans Louis Armstrong to Ontario
Highest demand for flights based on searches. 6% potential increase in price ($25 potential increase over avg. RT price).
Cheapest flight prices on average. 1% potential price decrease ($7 potential savings vs. average RT price).
Average for round-trip flights in July 2025

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 July 1, 2025.

This American Airlines deal was found by Cheapflights users on 6/29. 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.
Thu 9/412:46 pmMSY - ONT
1 stop11h 47mAmerican Airlines
Sat 9/610:53 amONT - MSY
1 stop5h 16mAmerican Airlines
Deal found 6/29$274
This CheapOair deal was found by Cheapflights users on 6/30. 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 10/97:38 pmMSY - ONT
1 stop6h 12mFrontier
Sat 10/1112:59 amONT - MSY
2 stops36h 57mFrontier
Deal found 6/30$281
This Hawaiian Airlines deal was found by Cheapflights users on 6/29. 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.
Tue 8/54:53 pmMSY - ONT
1 stop9h 22mHawaiian Airlines
Tue 8/126:58 pmONT - MSY
1 stop8h 52mHawaiian Airlines
Deal found 6/29$282
This Delta deal was found by Cheapflights users on 6/29. 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 8/191:05 pmMSY - ONT
1 stop8h 06mDelta
Tue 9/26:05 amONT - MSY
1 stop6h 16mDelta
Deal found 6/29$283
This Southwest deal was found by Cheapflights users on 7/1. 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.
Sat 10/113:30 pmMSY - ONT
1 stop6h 25mSouthwest
Tue 10/211:30 pmONT - MSY
2 stops7h 00mSouthwest
Deal found 7/1$288
This Alaska Airlines deal was found by Cheapflights users on 6/29. 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.
Tue 8/194:53 pmMSY - ONT
1 stop9h 22mAlaska Airlines
Thu 9/46:00 amONT - MSY
1 stop8h 57mAlaska Airlines
Deal found 6/29$299
This Orbitz deal was found by Cheapflights users on 7/1. 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 Orbitz is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 7/206:01 pmMSY - ONT
1 stop7h 49mMultiple Airlines
Wed 7/306:58 pmONT - MSY
1 stop8h 52mMultiple Airlines
Deal found 7/1$304
This United Airlines deal was found by Cheapflights users on 7/1. 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.
Tue 7/294:00 pmMSY - ONT
1 stop6h 54mUnited Airlines
Tue 8/56:00 amONT - MSY
1 stop5h 13mUnited Airlines
Deal found 7/1$373

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 July 1, 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 9/4

12:46 pm-10:33 pm

1 stop11h 47m

Ontario

Sat 9/6

10:53 am-6:09 pm

1 stop5h 16m

$274

New OrleansOntario

MSY - ONT

MSYONT

New Orleans Louis Armstrong

Tue 8/5

4:53 pm-12:15 am

1 stop9h 22m

Ontario

Tue 8/12

6:58 pm-5:50 am

1 stop8h 52m

$282

New OrleansOntario

MSY - ONT

MSYONT

New Orleans Louis Armstrong

Tue 8/19

1:05 pm-7:11 pm

1 stop8h 06m

Ontario

Tue 9/2

6:05 am-2:21 pm

1 stop6h 16m

$283

New OrleansOntario

MSY - ONT

MSYONT

New Orleans Louis Armstrong

Thu 9/18

4:51 pm-6:35 pm

2 stops27h 44m

Ontario

Tue 9/23

8:59 pm-3:50 pm

2 stops40h 51m

$284

New OrleansOntario

MSY - ONT

MSYONT

New Orleans Louis Armstrong

Tue 8/19

4:53 pm-12:15 am

1 stop9h 22m

Ontario

Thu 9/4

6:00 am-4:57 pm

1 stop8h 57m

$299

New OrleansOntario

MSY - ONT

MSYONT

New Orleans Louis Armstrong

Sun 7/20

6:01 pm-11:50 pm

1 stop7h 49m

Ontario

Wed 7/30

6:58 pm-5:50 am

1 stop8h 52m

$304

New OrleansOntario

MSY - ONT

MSYONT

New Orleans Louis Armstrong

Thu 9/4

3:00 pm-9:05 pm

2 stops8h 05m

Ontario

Sat 9/6

5:35 am-3:00 pm

2 stops7h 25m

$310

New OrleansOntario

MSY - ONT

MSYONT

New Orleans Louis Armstrong

Tue 7/29

4:00 pm-8:54 pm

1 stop6h 54m

Ontario

Tue 8/5

6:00 am-1:13 pm

1 stop5h 13m

$373

New OrleansOntario

MSY - ONT

MSYONT

New Orleans Louis Armstrong

Thu 8/7

6:01 pm-11:50 pm

1 stop7h 49m

$109

New OrleansOntario

MSY - ONT

MSYONT

New Orleans Louis Armstrong

Tue 8/5

4:53 pm-12:15 am

1 stop9h 22m

$141

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/29

Showing 1-10 of 15 results
1
2

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 July 1, 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.

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 July 1, 2025.
Read reviews from past customers who have flown Alaska Airlines, Southwest, and Delta 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.

Crew

8.5

Entertainment

7.1

Boarding

8.1

Food

7.1

Comfort

7.8

Overall

8.0

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.

Crew

8.5

Entertainment

7.1

Boarding

8.1

Food

7.1

Comfort

7.8

Overall

8.0

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.

Crew

8.5

Entertainment

7.1

Boarding

8.1

Food

7.1

Comfort

7.8

Overall

8.0

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
8.0
Very good

Crew

8.5

Entertainment

7.1

Boarding

8.1

Food

7.1

Comfort

7.8

Overall

8.0

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.

Crew

8.5

Entertainment

7.1

Boarding

8.1

Food

7.1

Comfort

7.8

Overall

8.0

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.

Crew

8.5

Entertainment

7.1

Boarding

8.1

Food

7.1

Comfort

7.8

Overall

8.0

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 $274. Other airlines that can offer you cheap pricing are Frontier, from $281, and Hawaiian Airlines, from $282. Users have found that American Airlines 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 Frontier. According to our data, you can fly for as low as $109. Users have also found prices from $141 and $142 on Hawaiian Airlines and Delta, 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

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for New Orleans to Ontario

See prices for flight routes from nearby airports that may be better suited for you.

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 July 1, 2025.
AirlineCheapestAverageFlexibilityOn-time
Spirit AirlinesCheapest$120Average$217FlexibilityNo cancel feeOn-time65%
American AirlinesCheapest$290Average$416FlexibilityNo cancel feeOn-time71%
SouthwestCheapest$294Average$408FlexibilityNo cancel feeOn-time63%

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.