What is the cheapest airline that flies from New Orleans Louis Armstrong to Ontario?

Alaska Airlines, American Airlines, and Delta are the most popular carriers operating from New Orleans Louis Armstrong to Ontario

What airlines fly to Ontario?

Spirit Airlines, Delta and American Airlines are the top three most popular airlines that fly to Ontario from New Orleans according to our data. Spirit Airlines is the first choice among our users, with 40% of people opting to fly with this airline when traveling to Ontario. Keep in mind that there are 6 different airlines that fly to Ontario on a routine basis, so you have a few additional options to choose from.

When did momondo last update prices for flights from New Orleans Louis Armstrong Airport to Ontario Airport?

Prices for flights from New Orleans Louis Armstrong Airport to Ontario Airport refresh daily.

How many operators does momondo search for flights from New Orleans Louis Armstrong Airport to Ontario Airport?

The number of operators available for flights from New Orleans Louis Armstrong Airport to Ontario Airport is 2 as of September 2025.

How old do you have to be to fly from New Orleans Louis Armstrong Airport to Ontario Airport?

The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from New Orleans Louis Armstrong Airport to Ontario Airport.

What documentation or ID do you need to fly to Ontario Airport?

The travel and health documents required for your trip to Ontario Airport can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Ontario Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

$84 Cheap Flights from New Orleans to Ontario in 2025/26

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7:25 pm - 11:50 pmMSY-ONT

6h 25m1 stop

6:53 am - 6:38 pmONT-MSY

9h 45m1 stop

$205Frontier

Find Deal

Thu, Oct 16 - Mon, Oct 27

6:27 pm - 11:50 pmMSY-ONT

7h 23m1 stop

6:53 am - 6:38 pmONT-MSY

9h 45m1 stop

$214Frontier

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Fri, Oct 17 - Mon, Oct 20

7:25 pm - 11:50 pmMSY-ONT

6h 25m1 stop

6:53 am - 6:38 pmONT-MSY

9h 45m1 stop

$223Frontier

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Thu, Oct 16 - Sun, Oct 26

7:00 am - 3:17 pmMSY-ONT

10h 17m1 stop

6:00 am - 4:19 pmONT-MSY

8h 19m1 stop

$248Alaska Airlines

Find Deal

Wed, Nov 12 - Tue, Nov 18

2:42 pm - 6:35 pmMSY-ONT

5h 53m1 stop

2:51 pm - 10:35 pmONT-MSY

5h 44m1 stop

$250American Airlines

Find Deal

Sat, Oct 18 - Sat, Oct 25

8:50 am - 7:49 amMSY-ONT

24h 59m1 stop

6:53 am - 6:38 pmONT-MSY

9h 45m1 stop

$251

Find Deal

Fri, Oct 24 - Sun, Oct 26

8:50 am - 7:49 amMSY-ONT

24h 59m1 stop

4:17 pm - 6:38 pmONT-MSY

24h 21m2 stops

$258

Find Deal

Fri, Oct 24 - Sun, Oct 26

7:00 am - 3:17 pmMSY-ONT

10h 17m1 stop

6:00 am - 4:19 pmONT-MSY

8h 19m1 stop

$288Alaska Airlines

Find Deal

Sat, Nov 8 - Tue, Nov 18

7:50 pm - 11:40 pmMSY-ONT

5h 50m1 stop

4:25 pm - 11:15 pmONT-MSY

4h 50m1 stop

$314Southwest

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Fri, Oct 10 - Tue, Oct 14

8:04 pm - 11:59 pmMSY-ONT

5h 55m1 stop

6:15 am - 1:57 pmONT-MSY

5h 42m1 stop

$341American Airlines

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Fri, Oct 10 - Tue, Oct 14

Frontier flights from New Orleans to Ontario

Our best Frontier deals on New Orleans to Ontario flight tickets

Frontier

Oct 16

MSY7:25 pmNew Orleans Louis Armstrong

6h 25m

1 stop

ONT11:50 pmOntario

Oct 27

ONT6:53 amOntario

9h 45m

1 stop

MSY6:38 pmNew Orleans Louis Armstrong

$205

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Frontier

Oct 17

MSY6:27 pmNew Orleans Louis Armstrong

7h 23m

1 stop

ONT11:50 pmOntario

Oct 20

ONT6:53 amOntario

9h 45m

1 stop

MSY6:38 pmNew Orleans Louis Armstrong

$214

Find similar

Frontier

Oct 16

MSY7:25 pmNew Orleans Louis Armstrong

6h 25m

1 stop

ONT11:50 pmOntario

Oct 26

ONT6:53 amOntario

9h 45m

1 stop

MSY6:38 pmNew Orleans Louis Armstrong

$223

Find similar

Alaska Airlines flights from New Orleans to Ontario

Our best Alaska Airlines deals on New Orleans to Ontario flight tickets

Alaska Airlines

Nov 12

MSY7:00 amNew Orleans Louis Armstrong

10h 17m

1 stop

ONT3:17 pmOntario

Nov 15

ONT11:59 amOntario

10h 35m

1 stop

MSY12:34 amNew Orleans Louis Armstrong

$248

Find similar

Alaska Airlines

Nov 8

MSY7:00 amNew Orleans Louis Armstrong

10h 17m

1 stop

ONT3:17 pmOntario

Nov 18

ONT6:00 amOntario

8h 19m

1 stop

MSY4:19 pmNew Orleans Louis Armstrong

$288

Find similar

Alaska Airlines

Nov 12

MSY7:00 amNew Orleans Louis Armstrong

10h 17m

1 stop

ONT3:17 pmOntario

Nov 16

ONT6:00 amOntario

8h 19m

1 stop

MSY4:19 pmNew Orleans Louis Armstrong

$306

Find similar

Fly from

Fly to

Route

Depart

Return

Price

New OrleansOntario

MSY - ONT

MSYONT

New Orleans Louis Armstrong

Thu 10/16

7:25 pm-11:50 pm

1 stop6h 25m

Ontario

Mon 10/27

6:53 am-6:38 pm

1 stop9h 45m

$205

New OrleansOntario

MSY - ONT

MSYONT

New Orleans Louis Armstrong

Fri 10/17

6:27 pm-11:50 pm

1 stop7h 23m

Ontario

Mon 10/20

6:53 am-6:38 pm

1 stop9h 45m

$214

New OrleansOntario

MSY - ONT

MSYONT

New Orleans Louis Armstrong

Thu 10/16

7:25 pm-11:50 pm

1 stop6h 25m

Ontario

Sun 10/26

6:53 am-6:38 pm

1 stop9h 45m

$223

New OrleansOntario

MSY - ONT

MSYONT

New Orleans Louis Armstrong

Wed 11/12

7:00 am-3:17 pm

1 stop10h 17m

Ontario

Tue 11/18

6:00 am-4:19 pm

1 stop8h 19m

$248

New OrleansOntario

MSY - ONT

MSYONT

New Orleans Louis Armstrong

Sat 10/18

2:42 pm-6:35 pm

1 stop5h 53m

Ontario

Sat 10/25

2:51 pm-10:35 pm

1 stop5h 44m

$250

New OrleansOntario

MSY - ONT

MSYONT

New Orleans Louis Armstrong

Fri 10/24

8:50 am-7:49 am

1 stop24h 59m

Ontario

Sun 10/26

6:53 am-6:38 pm

1 stop9h 45m

$251

New OrleansOntario

MSY - ONT

MSYONT

New Orleans Louis Armstrong

Fri 10/24

8:50 am-7:49 am

1 stop24h 59m

Ontario

Sun 10/26

4:17 pm-6:38 pm

2 stops24h 21m

$258

New OrleansOntario

MSY - ONT

MSYONT

New Orleans Louis Armstrong

Sat 11/8

7:00 am-3:17 pm

1 stop10h 17m

Ontario

Tue 11/18

6:00 am-4:19 pm

1 stop8h 19m

$288

New OrleansOntario

MSY - ONT

MSYONT

New Orleans Louis Armstrong

Fri 10/10

7:50 pm-11:40 pm

1 stop5h 50m

Ontario

Tue 10/14

4:25 pm-11:15 pm

1 stop4h 50m

$314

New OrleansOntario

MSY - ONT

MSYONT

New Orleans Louis Armstrong

Fri 10/10

8:04 pm-11:59 pm

1 stop5h 55m

Ontario

Tue 10/14

6:15 am-1:57 pm

1 stop5h 42m

$341

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How to get the cheapest flight ticket from New Orleans to Ontario

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

Prices

Airlines

What is the cheapest month to fly to Ontario?

In general, April is the cheapest month to fly from New Orleans to Ontario. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $310. If you aren’t able to travel during the month of April, then book flights to Ontario from New Orleans during July instead. Flights to Ontario in July, while not as cheap as those in April, still average around $332.

What is the cheapest day to depart on your flight to Ontario?

The cheapest day to depart on your flight to Ontario is on a Wednesday when prices can be found for as low as $343. This is often the case because there is less demand to fly during this day of the week. When flying out on a Saturday, the most expensive travel day of the week, you can expect to see flight prices from New Orleans to Ontario for around $469.

What is the cheapest time of day to depart on your flight to Ontario?

In the evening is the cheapest time of day to fly from New Orleans to Ontario when you can find flight prices for as low as $276. Flying to Ontario in the evening is an ideal time because this is during off-peak travel hours. If you have a flexible travel schedule, then try to avoid flying in the morning when prices are $431 on average. Flights to Ontario from New Orleans in the morning are generally more expensive because this time of day is more convenient for travelers’ schedules.

How have New Orleans to Ontario flight prices changed over time?

As of September 2025, prices for New Orleans to Ontario flights are approximately 16% cheaper when compared to flights at the same time last year.

When to book flights from New Orleans to Ontario

Are you open to changing your travel dates? Check out the ideal times to fly from New Orleans to Ontario according to our flight data. Find out which month and days have the cheapest flights.

Estimated round-trip price

Cheap New Orleans to Ontario (MSY to ONT) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from New Orleans to Ontario

Direct flights	None

There are no direct flights from New Orleans to Ontario. There are no popular flight routes from New Orleans to Ontario.

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How far is New Orleans Louis Armstrong to Ontario by plane?
Ontario is 1634.5 mi away from New Orleans Louis Armstrong. 5h 50m is a normal flight duration for this route.
When did momondo last update prices for flights from New Orleans Louis Armstrong Airport to Ontario Airport?
Prices for flights from New Orleans Louis Armstrong Airport to Ontario Airport refresh daily.
How many operators does momondo search for flights from New Orleans Louis Armstrong Airport to Ontario Airport?
The number of operators available for flights from New Orleans Louis Armstrong Airport to Ontario Airport is 2 as of September 2025.
How old do you have to be to fly from New Orleans Louis Armstrong Airport to Ontario Airport?
The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from New Orleans Louis Armstrong Airport to Ontario Airport.
What documentation or ID do you need to fly to Ontario Airport?
The travel and health documents required for your trip to Ontario Airport can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Ontario Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.
What is the most popular airline from New Orleans to Ontario?
Based on momondo bookings for flights between New Orleans and Ontario, the leading airline is Southwest, making up 60% of the total bookings. Other popular airlines include American Airlines with 40%.

Best airlines flying from New Orleans to Ontario

Compare and see reviews for airlines that fly from New Orleans to Ontario with momondo

Airline	Rating	Free Cancellation	Price
American Airlines	PriceFrom $184	Free Cancellation	Rating 7.2 10,000 reviews		Search American Airlines flights
Southwest	PriceFrom $294	Free Cancellation	Rating 8.0 4,245 reviews		Search Southwest flights

Why use momondo?

Why should I use momondo to find a flight deal from New Orleans to Ontario?

Finding the right flight to Ontario from New Orleans is quick and easy when you have a range of options in front of you, from reputable agents and recognisable airlines. Options that can then be filtered down to find the best fit. That is what momondo does. We make finding flights to Ontario quick and easy, saving you time and money.

Can I find flights from New Orleans to Ontario with flexible booking policies on momondo?

momondo does allow users to show only those flights to Ontario from New Orleans which offer a flexible booking policy as well as other useful filters and features.

How can momondo help me find flights from New Orleans to Ontario?

Once you have performed a search in the form on the page, momondo provides useful filters and insights. We can show you the cheapest days and times to fly as well as help filter your options to help you make an informed choice when booking flights to Ontario from New Orleans.

I’m not ready to book a flight from New Orleans to Ontario right now. Can momondo alert me if prices change?

If you are simply researching potential flights to Ontario, momondo offers a useful price alert feature which will track prices for flights to Ontario from New Orleans and alert you when they change.

An easier way to manage your Ontario trip

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Cheap flights from New Orleans to Los Angeles from $84

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from New Orleans to Los Angeles departing on 10/20. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.

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How to get the cheapest flight ticket from New Orleans to Ontario

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the cheapest month to fly to Ontario?

What is the cheapest day to depart on your flight to Ontario?

What is the cheapest time of day to depart on your flight to Ontario?

How have New Orleans to Ontario flight prices changed over time?

As of September 2025, prices for New Orleans to Ontario flights are approximately 16% cheaper when compared to flights at the same time last year.

What is the cheapest airline that flies from New Orleans Louis Armstrong to Ontario?

Alaska Airlines, American Airlines, and Delta are the most popular carriers operating from New Orleans Louis Armstrong to Ontario

What airlines fly to Ontario?

When to book flights from New Orleans to Ontario

Cheap New Orleans to Ontario (MSY to ONT) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from New Orleans to Ontario

Direct flights

How far is New Orleans Louis Armstrong to Ontario by plane?

When did momondo last update prices for flights from New Orleans Louis Armstrong Airport to Ontario Airport?

How many operators does momondo search for flights from New Orleans Louis Armstrong Airport to Ontario Airport?

How old do you have to be to fly from New Orleans Louis Armstrong Airport to Ontario Airport?

What documentation or ID do you need to fly to Ontario Airport?

What is the most popular airline from New Orleans to Ontario?

Best airlines flying from New Orleans to Ontario

Compare and see reviews for airlines that fly from New Orleans to Ontario with momondo

Why use momondo?

Why should I use momondo to find a flight deal from New Orleans to Ontario?

Can I find flights from New Orleans to Ontario with flexible booking policies on momondo?

How can momondo help me find flights from New Orleans to Ontario?

I’m not ready to book a flight from New Orleans to Ontario right now. Can momondo alert me if prices change?

An easier way to manage your Ontario trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.

Find better results for your trip to the United States

Airports servicing California