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

Southwest and Delta are the most popular carriers operating from New Orleans Louis Armstrong to Ontario

What airlines fly to Ontario?

Breeze Airways, Delta and American Airlines are the top three most popular airlines that fly to Ontario from New Orleans according to our data. Breeze Airways is the first choice among our users, with 39% of people opting to fly with this airline when traveling to Ontario. Keep in mind that there are 7 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 3 as of October 2026.

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.

$103 Cheap Flights from New Orleans to Ontario in 2026/27

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from New Orleans to Los Angeles

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11:19 am - 12:17 amMSY New Orleans Louis Armstrong-ONT Ontario

14h 58m2 stops Dallas/Fort Worth Denver Intl

2:41 pm - 10:33 amONT Ontario-MSY New Orleans Louis Armstrong

17h 52m2 stops Las Vegas Harry Reid Intl Dallas/Fort Worth

$221Frontier

Thu, Dec 3 - Wed, Dec 9

10:45 am - 10:42 amMSY New Orleans Louis Armstrong-ONT Ontario

25h 57m1 stop Denver Intl

6:30 am - 9:50 amONT Ontario-MSY New Orleans Louis Armstrong

25h 20m1 stop Denver Intl

$231Frontier

Thu, Nov 12 - Wed, Nov 18

11:19 am - 12:17 amMSY New Orleans Louis Armstrong-ONT Ontario

14h 58m2 stops Dallas/Fort Worth Denver Intl

2:41 pm - 10:33 amONT Ontario-MSY New Orleans Louis Armstrong

17h 52m2 stops Las Vegas Harry Reid Intl Dallas/Fort Worth

$234Frontier

Thu, Dec 3 - Wed, Dec 9

5:08 pm - 11:51 pmMSY New Orleans Louis Armstrong-ONT Ontario

8h 43m2 stops Dallas/Fort Worth Denver Intl

8:35 pm - 5:00 amONT Ontario-MSY New Orleans Louis Armstrong

6h 25m1 stop Las Vegas Harry Reid Intl

$264Multiple Airlines

Thu, Nov 12 - Fri, Nov 13

11:18 am - 12:20 amMSY New Orleans Louis Armstrong-ONT Ontario

15h 02m2 stops Dallas/Fort Worth Denver Intl

10:05 am - 5:00 amONT Ontario-MSY New Orleans Louis Armstrong

16h 55m1 stop Las Vegas Harry Reid Intl

$269Multiple Airlines

Thu, Dec 10 - Thu, Dec 17

5:08 pm - 10:42 amMSY New Orleans Louis Armstrong-ONT Ontario

19h 34m2 stops Dallas/Fort Worth Denver Intl

8:35 pm - 5:00 amONT Ontario-MSY New Orleans Louis Armstrong

6h 25m1 stop Las Vegas Harry Reid Intl

$278Multiple Airlines

Thu, Nov 12 - Fri, Nov 13

7:43 am - 1:32 pmMSY New Orleans Louis Armstrong-ONT Ontario

7h 49m1 stop Dallas/Fort Worth

6:00 am - 2:55 pmONT Ontario-MSY New Orleans Louis Armstrong

6h 55m1 stop Dallas/Fort Worth

$377American Airlines

Thu, Nov 12 - Tue, Nov 17

6:07 pm - 9:53 pmMSY New Orleans Louis Armstrong-ONT Ontario

5h 46m1 stop Phoenix Sky Harbor Intl

1:02 pm - 9:40 pmONT Ontario-MSY New Orleans Louis Armstrong

6h 38m1 stop Dallas/Fort Worth

$377American Airlines

Thu, Dec 3 - Wed, Dec 9

2:30 pm - 8:35 pmMSY New Orleans Louis Armstrong-ONT Ontario

8h 05m1 stop Las Vegas Harry Reid Intl

7:50 am - 5:50 pmONT Ontario-MSY New Orleans Louis Armstrong

8h 00m1 stop Austin Bergstrom

$377Southwest

Tue, Dec 8 - Wed, Dec 16

7:20 am - 10:45 amMSY New Orleans Louis Armstrong-ONT Ontario

5h 25m1 stop Dallas Love Field

10:30 am - 8:50 pmONT Ontario-MSY New Orleans Louis Armstrong

8h 20m1 stop Las Vegas Harry Reid Intl

$377Southwest

Tue, Nov 10 - Sat, Nov 14

Cheap last minute flights

Enter your travel dates to find the best prices.

10:37 am - 11:50 pmMSY New Orleans Louis Armstrong-ONT Ontario

15h 13m1 stop Denver Intl

3:38 pm - 9:22 pmONT Ontario-MSY New Orleans Louis Armstrong

27h 44m1 stop Las Vegas Harry Reid Intl

$474Frontier

Sun, Oct 18 - Sun, Oct 25

10:37 am - 11:50 pmMSY New Orleans Louis Armstrong-ONT Ontario

15h 13m1 stop Denver Intl

8:00 am - 9:22 pmONT Ontario-MSY New Orleans Louis Armstrong

11h 22m1 stop Las Vegas Harry Reid Intl

$499Frontier

Mon, Oct 19 - Mon, Oct 26

10:07 pm - 9:09 amMSY New Orleans Louis Armstrong-ONT Ontario

13h 02m1 stop Las Vegas Harry Reid Intl

8:00 am - 9:22 pmONT Ontario-MSY New Orleans Louis Armstrong

11h 22m1 stop Las Vegas Harry Reid Intl

$520Frontier

Fri, Oct 16 - Mon, Oct 19

10:07 pm - 4:30 pmMSY New Orleans Louis Armstrong-ONT Ontario

20h 23m1 stop Las Vegas Harry Reid Intl

6:15 am - 9:42 amONT Ontario-MSY New Orleans Louis Armstrong

25h 27m1 stop Denver Intl

$520Frontier

Fri, Oct 16 - Wed, Oct 21

9:05 pm - 10:29 amMSY New Orleans Louis Armstrong-ONT Ontario

15h 24m2 stops Orlando Denver Intl

8:03 pm - 4:42 pmONT Ontario-MSY New Orleans Louis Armstrong

18h 39m2 stops Dallas/Fort Worth Minneapolis St Paul

$737Multiple Airlines

Fri, Oct 16 - Sun, Oct 18

3:45 pm - 9:11 pmMSY New Orleans Louis Armstrong-ONT Ontario

7h 26m1 stop Dallas/Fort Worth

6:00 am - 2:54 pmONT Ontario-MSY New Orleans Louis Armstrong

6h 54m1 stop Dallas/Fort Worth

$931American Airlines

Mon, Oct 19 - Thu, Oct 22

7:46 pm - 11:52 pmMSY New Orleans Louis Armstrong-ONT Ontario

6h 06m1 stop Dallas/Fort Worth

10:25 am - 6:56 pmONT Ontario-MSY New Orleans Louis Armstrong

6h 31m1 stop Dallas/Fort Worth

$931American Airlines

Mon, Oct 19 - Sun, Oct 25

3:44 pm - 9:54 pmMSY New Orleans Louis Armstrong-ONT Ontario

8h 10m1 stop Atlanta Hartsfield-Jackson

7:07 am - 4:57 pmONT Ontario-MSY New Orleans Louis Armstrong

7h 50m1 stop Atlanta Hartsfield-Jackson

$931Delta

Mon, Oct 19 - Wed, Oct 21

7:46 pm - 11:52 pmMSY New Orleans Louis Armstrong-ONT Ontario

6h 06m1 stop Dallas/Fort Worth

2:22 pm - 11:27 pmONT Ontario-MSY New Orleans Louis Armstrong

7h 05m1 stop Dallas/Fort Worth

$931American Airlines

Mon, Oct 19 - Fri, Oct 23

5:52 pm - 10:17 amMSY New Orleans Louis Armstrong-ONT Ontario

18h 25m1 stop Seattle/Tacoma Intl

8:00 am - 9:22 pmONT Ontario-MSY New Orleans Louis Armstrong

11h 22m1 stop Las Vegas Harry Reid Intl

$954Multiple Airlines

Sat, Oct 17 - Mon, Oct 19

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Frontier flights from New Orleans to Ontario

Our best Frontier deals on New Orleans to Ontario flight tickets

Frontier

Dec 3

MSY11:19 amNew Orleans Louis Armstrong

14h 58m

2 stops

ONT12:17 amOntario

Dec 9

ONT2:41 pmOntario

17h 52m

2 stops

MSY10:33 amNew Orleans Louis Armstrong

$221

Frontier

Nov 12

MSY10:45 amNew Orleans Louis Armstrong

25h 57m

1 stop

ONT10:42 amOntario

Nov 18

ONT6:30 amOntario

25h 20m

1 stop

MSY9:50 amNew Orleans Louis Armstrong

$231

Frontier

Dec 3

MSY11:19 amNew Orleans Louis Armstrong

14h 58m

2 stops

ONT12:17 amOntario

Dec 9

ONT2:41 pmOntario

17h 52m

2 stops

MSY10:33 amNew Orleans Louis Armstrong

$234

Southwest flights from New Orleans to Ontario

Our best Southwest deals on New Orleans to Ontario flight tickets

Southwest

Oct 27

MSY6:20 pmNew Orleans Louis Armstrong

5h 45m

1 stop

ONT10:05 pmOntario

Oct 30

ONT12:40 pmOntario

5h 50m

1 stop

MSY8:30 pmNew Orleans Louis Armstrong

$627

Southwest

Oct 27

MSY3:00 pmNew Orleans Louis Armstrong

9h 15m

2 stops

ONT10:15 pmOntario

Oct 30

ONT6:10 amOntario

9h 10m

2 stops

MSY5:20 pmNew Orleans Louis Armstrong

$637

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 12/3

11:19 am-12:17 am

2 stops14h 58m

Ontario

Wed 12/9

2:41 pm-10:33 am

2 stops17h 52m

$221

New OrleansOntario

MSY New Orleans Louis Armstrong - ONT Ontario

MSYONT

New Orleans Louis Armstrong

Thu 11/12

10:45 am-10:42 am

1 stop25h 57m

Ontario

Wed 11/18

6:30 am-9:50 am

1 stop25h 20m

$231

New OrleansOntario

MSY New Orleans Louis Armstrong - ONT Ontario

MSYONT

New Orleans Louis Armstrong

Thu 12/3

11:19 am-12:17 am

2 stops14h 58m

Ontario

Wed 12/9

2:41 pm-10:33 am

2 stops17h 52m

$234

New OrleansOntario

MSY New Orleans Louis Armstrong - ONT Ontario

MSYONT

New Orleans Louis Armstrong

Thu 11/12

5:08 pm-11:51 pm

2 stops8h 43m

Ontario

Fri 11/13

8:35 pm-5:00 am

1 stop6h 25m

$264

New OrleansOntario

MSY New Orleans Louis Armstrong - ONT Ontario

MSYONT

New Orleans Louis Armstrong

Thu 12/10

11:18 am-12:20 am

2 stops15h 02m

Ontario

Thu 12/17

10:05 am-5:00 am

1 stop16h 55m

$269

New OrleansOntario

MSY New Orleans Louis Armstrong - ONT Ontario

MSYONT

New Orleans Louis Armstrong

Thu 11/12

5:08 pm-10:42 am

2 stops19h 34m

Ontario

Fri 11/13

8:35 pm-5:00 am

1 stop6h 25m

$278

New OrleansOntario

MSY New Orleans Louis Armstrong - ONT Ontario

MSYONT

New Orleans Louis Armstrong

Thu 11/12

7:43 am-1:32 pm

1 stop7h 49m

Ontario

Tue 11/17

6:00 am-2:55 pm

1 stop6h 55m

$377

Quickest round-trip

New OrleansOntario

MSY New Orleans Louis Armstrong - ONT Ontario

MSYONT

New Orleans Louis Armstrong

Thu 12/3

6:07 pm-9:53 pm

1 stop5h 46m

Ontario

Wed 12/9

1:02 pm-9:40 pm

1 stop6h 38m

$377

New OrleansOntario

MSY New Orleans Louis Armstrong - ONT Ontario

MSYONT

New Orleans Louis Armstrong

Tue 12/8

2:30 pm-8:35 pm

1 stop8h 05m

Ontario

Wed 12/16

7:50 am-5:50 pm

1 stop8h 00m

$377

New OrleansOntario

MSY New Orleans Louis Armstrong - ONT Ontario

MSYONT

New Orleans Louis Armstrong

Tue 11/10

7:20 am-10:45 am

1 stop5h 25m

Ontario

Sat 11/14

10:30 am-8:50 pm

1 stop8h 20m

$377

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first

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, March 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 $330. If you aren’t able to travel during the month of March, then book flights to Ontario from New Orleans during October instead. Flights to Ontario in October, while not as cheap as those in March, still average around $332.

Can stopping save me money on New Orleans to Ontario flights?

You could potentially save up to 17% on your flight if you consider stops on a New Orleans to Ontario flight.

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

As of October 2026, prices for New Orleans to Ontario flights are approximately 66% more expensive 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

Best Price Found	$103
Fastest flight time	6h 14m
Direct flights	None

The best one-way flight to Ontario from New Orleans in the past 72 hours is $103. The best round-trip flight deal from New Orleans to Ontario found on momondo in the last 72 hours is $221.

The fastest flight from New Orleans to Ontario takes 6h 14m

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

Search flight deals

Frequently asked questions about flying from New Orleans to Ontario

How far is New Orleans Louis Armstrong to Ontario by plane?
Ontario is 1634.5 mi away from New Orleans Louis Armstrong. 6h 14m 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 3 as of October 2026.
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 American Airlines, making up 43% of the total bookings. Other popular airlines include Southwest with 35% and Frontier with 22%.

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
Frontier	PriceFrom $180	Free Cancellation	Rating 5.5 2,538 reviews	Search Frontier flights
Southwest	PriceFrom $332	Free Cancellation	Rating 7.9 4,217 reviews	Search Southwest flights
American Airlines	PriceFrom $345	Free Cancellation	Rating 7.0 12,169 reviews	Search American Airlines 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 $103

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 11/12. 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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Frontier flights from New Orleans to Ontario

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

What is the cheapest month to fly to Ontario?

Can stopping save me money on New Orleans to Ontario flights?

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

What is the cheapest airline that flies 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

Best Price Found

Fastest flight time

Direct flights

Frequently asked questions about flying 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?

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

Fly your favorite airline to Los Angeles

Airlines are sorted and displayed according to clicks in the past 7 days on momondo

Cabin classes currently available on flights to Los Angeles

List of cabin classes available on flights landing in Los Angeles. Availability may vary depending on flight origin and airline.

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