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 37% 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.

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

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

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 August 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.

$120 Cheap Flights from New Orleans to Ontario in 2026

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from New Orleans to Los Angeles

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10:48 am - 11:47 pmMSY New Orleans Louis Armstrong-ONT Ontario

14h 59m1 stop Denver Intl

8:24 pm - 5:00 amONT Ontario-MSY New Orleans Louis Armstrong

6h 36m1 stop Las Vegas Harry Reid Intl

$254Multiple Airlines

Thu, Oct 1 - Mon, Oct 5

5:26 pm - 10:30 amMSY New Orleans Louis Armstrong-ONT Ontario

43h 04m2 stops Dallas/Fort Worth Denver Intl

8:24 pm - 5:00 amONT Ontario-MSY New Orleans Louis Armstrong

6h 36m1 stop Las Vegas Harry Reid Intl

$257Multiple Airlines

Thu, Oct 1 - Mon, Oct 5

9:00 pm - 10:30 amMSY New Orleans Louis Armstrong-ONT Ontario

39h 30m2 stops Las Vegas Harry Reid Intl Denver Intl

11:45 am - 9:53 amONT Ontario-MSY New Orleans Louis Armstrong

20h 08m1 stop Denver Intl

$264Frontier

Thu, Sep 17 - Thu, Sep 24

10:48 am - 10:30 amMSY New Orleans Louis Armstrong-ONT Ontario

25h 42m1 stop Denver Intl

11:45 am - 9:53 amONT Ontario-MSY New Orleans Louis Armstrong

20h 08m1 stop Denver Intl

$269Frontier

Thu, Sep 17 - Thu, Sep 24

5:25 pm - 10:29 amMSY New Orleans Louis Armstrong-ONT Ontario

19h 04m2 stops Dallas/Fort Worth Denver Intl

10:04 am - 5:10 amONT Ontario-MSY New Orleans Louis Armstrong

17h 06m1 stop Las Vegas Harry Reid Intl

$275Multiple Airlines

Thu, Oct 15 - Sat, Oct 17

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

13h 02m1 stop Las Vegas Harry Reid Intl

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

27h 44m1 stop Las Vegas Harry Reid Intl

$278Frontier

Mon, Oct 12 - Thu, Oct 15

12:29 pm - 6:42 pmMSY New Orleans Louis Armstrong-ONT Ontario

8h 13m1 stop Dallas/Fort Worth

2:22 pm - 10:57 pmONT Ontario-MSY New Orleans Louis Armstrong

6h 35m1 stop Dallas/Fort Worth

$377American Airlines

Thu, Nov 12 - Tue, Nov 17

3:46 pm - 10:37 pmMSY New Orleans Louis Armstrong-ONT Ontario

8h 51m1 stop Dallas/Fort Worth

2:22 pm - 10:58 pmONT Ontario-MSY New Orleans Louis Armstrong

6h 36m1 stop Dallas/Fort Worth

$377American Airlines

Tue, Sep 15 - Sat, Sep 19

10:25 am - 3:10 pmMSY New Orleans Louis Armstrong-ONT Ontario

6h 45m1 stop Nashville Intl

11:20 am - 7:30 pmONT Ontario-MSY New Orleans Louis Armstrong

6h 10m1 stop Dallas Love Field

$377Southwest

Tue, Dec 15 - Wed, Jan 6

10:50 am - 4:05 pmMSY New Orleans Louis Armstrong-ONT Ontario

7h 15m1 stop Las Vegas Harry Reid Intl

11:55 am - 6:55 pmONT Ontario-MSY New Orleans Louis Armstrong

5h 00m1 stop Houston Hobby

$377Southwest

Wed, Sep 9 - Sat, Sep 12

Cheap last minute flights

Enter your travel dates to find the best prices.

9:36 pm - 11:50 pmMSY New Orleans Louis Armstrong-ONT Ontario

28h 14m1 stop Denver Intl

7:56 pm - 8:51 pmONT Ontario-MSY New Orleans Louis Armstrong

22h 55m1 stop Denver Intl

$428Frontier

Thu, Aug 27 - Sat, Aug 29

9:36 pm - 11:50 pmMSY New Orleans Louis Armstrong-ONT Ontario

28h 14m1 stop Denver Intl

7:56 pm - 8:51 pmONT Ontario-MSY New Orleans Louis Armstrong

22h 55m1 stop Denver Intl

$428Frontier

Thu, Aug 27 - Sat, Aug 29

9:36 pm - 11:50 pmMSY New Orleans Louis Armstrong-ONT Ontario

28h 14m1 stop Denver Intl

6:00 am - 9:07 pmONT Ontario-MSY New Orleans Louis Armstrong

13h 07m1 stop Denver Intl

$464Frontier

Sun, Aug 30 - Fri, Sep 4

9:36 pm - 11:50 pmMSY New Orleans Louis Armstrong-ONT Ontario

28h 14m1 stop Denver Intl

6:02 am - 4:24 pmONT Ontario-MSY New Orleans Louis Armstrong

8h 22m1 stop Seattle/Tacoma Intl

$675Multiple Airlines

Thu, Aug 27 - Tue, Sep 1

9:36 pm - 11:50 pmMSY New Orleans Louis Armstrong-ONT Ontario

28h 14m1 stop Denver Intl

6:02 am - 4:24 pmONT Ontario-MSY New Orleans Louis Armstrong

8h 22m1 stop Seattle/Tacoma Intl

$798Multiple Airlines

Sun, Aug 30 - Tue, Sep 1

4:25 pm - 8:53 pmMSY New Orleans Louis Armstrong-ONT Ontario

6h 28m1 stop Denver Intl

1:18 pm - 9:31 pmONT Ontario-MSY New Orleans Louis Armstrong

6h 13m1 stop Denver Intl

$802United Airlines

Wed, Aug 26 - Sat, Sep 5

2:15 pm - 6:12 pmMSY New Orleans Louis Armstrong-ONT Ontario

5h 57m1 stop Houston George Bush Intcntl

9:01 am - 6:40 pmONT Ontario-MSY New Orleans Louis Armstrong

7h 39m1 stop San Francisco

$802United Airlines

Sat, Aug 29 - Sun, Sep 6

2:15 pm - 8:53 pmMSY New Orleans Louis Armstrong-ONT Ontario

8h 38m2 stops Houston George Bush Intcntl Denver Intl

5:00 am - 2:57 pmONT Ontario-MSY New Orleans Louis Armstrong

7h 57m1 stop Denver Intl

$807United Airlines

Sat, Aug 29 - Sun, Sep 6

12:03 pm - 8:01 pmMSY New Orleans Louis Armstrong-ONT Ontario

9h 58m2 stops Houston George Bush Intcntl San Francisco

1:18 pm - 9:31 pmONT Ontario-MSY New Orleans Louis Armstrong

6h 13m1 stop Denver Intl

$807United Airlines

Wed, Aug 26 - Sat, Sep 5

4:25 pm - 8:53 pmMSY New Orleans Louis Armstrong-ONT Ontario

6h 28m1 stop Denver Intl

6:00 am - 4:13 pmONT Ontario-MSY New Orleans Louis Armstrong

8h 13m1 stop Houston George Bush Intcntl

$911United Airlines

Fri, Aug 28 - Sun, Aug 30

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Frontier flights from New Orleans to Ontario

Our best Frontier deals on New Orleans to Ontario flight tickets

Frontier

Sep 17

MSY9:00 pmNew Orleans Louis Armstrong

39h 30m

2 stops

ONT10:30 amOntario

Sep 24

ONT11:45 amOntario

20h 08m

1 stop

MSY9:53 amNew Orleans Louis Armstrong

$264

Frontier

Sep 17

MSY10:48 amNew Orleans Louis Armstrong

25h 42m

1 stop

ONT10:30 amOntario

Sep 24

ONT11:45 amOntario

20h 08m

1 stop

MSY9:53 amNew Orleans Louis Armstrong

$269

Frontier

Sep 24

MSY9:00 pmNew Orleans Louis Armstrong

12h 04m

1 stop

ONT7:04 amOntario

Sep 28

ONT8:00 amOntario

10h 04m

1 stop

MSY8:04 pmNew Orleans Louis Armstrong

$278

American Airlines flights from New Orleans to Ontario

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

American Airlines

Nov 12

MSY12:29 pmNew Orleans Louis Armstrong

8h 13m

1 stop

ONT6:42 pmOntario

Nov 17

ONT2:22 pmOntario

6h 35m

1 stop

MSY10:57 pmNew Orleans Louis Armstrong

$377

American Airlines

Nov 12

MSY12:29 pmNew Orleans Louis Armstrong

8h 13m

1 stop

ONT6:42 pmOntario

Nov 17

ONT9:50 amOntario

8h 12m

2 stops

MSY8:02 pmNew Orleans Louis Armstrong

$385

American Airlines

Sep 15

MSY8:00 amNew Orleans Louis Armstrong

12h 17m

2 stops

ONT6:17 pmOntario

Sep 19

ONT1:05 pmOntario

7h 53m

2 stops

MSY10:58 pmNew Orleans Louis Armstrong

$394

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 10/1

10:48 am-11:47 pm

1 stop14h 59m

Ontario

Mon 10/5

8:24 pm-5:00 am

1 stop6h 36m

$254

New OrleansOntario

MSY New Orleans Louis Armstrong - ONT Ontario

MSYONT

New Orleans Louis Armstrong

Thu 10/1

5:26 pm-10:30 am

2 stops43h 04m

Ontario

Mon 10/5

8:24 pm-5:00 am

1 stop6h 36m

$257

New OrleansOntario

MSY New Orleans Louis Armstrong - ONT Ontario

MSYONT

New Orleans Louis Armstrong

Thu 9/17

9:00 pm-10:30 am

2 stops39h 30m

Ontario

Thu 9/24

11:45 am-9:53 am

1 stop20h 08m

$264

New OrleansOntario

MSY New Orleans Louis Armstrong - ONT Ontario

MSYONT

New Orleans Louis Armstrong

Thu 9/17

10:48 am-10:30 am

1 stop25h 42m

Ontario

Thu 9/24

11:45 am-9:53 am

1 stop20h 08m

$269

New OrleansOntario

MSY New Orleans Louis Armstrong - ONT Ontario

MSYONT

New Orleans Louis Armstrong

Thu 10/15

5:25 pm-10:29 am

2 stops19h 04m

Ontario

Sat 10/17

10:04 am-5:10 am

1 stop17h 06m

$275

New OrleansOntario

MSY New Orleans Louis Armstrong - ONT Ontario

MSYONT

New Orleans Louis Armstrong

Mon 10/12

10:07 pm-9:09 am

1 stop13h 02m

Ontario

Thu 10/15

3:38 pm-9:22 pm

1 stop27h 44m

$278

New OrleansOntario

MSY New Orleans Louis Armstrong - ONT Ontario

MSYONT

New Orleans Louis Armstrong

Thu 11/12

12:29 pm-6:42 pm

1 stop8h 13m

Ontario

Tue 11/17

2:22 pm-10:57 pm

1 stop6h 35m

$377

New OrleansOntario

MSY New Orleans Louis Armstrong - ONT Ontario

MSYONT

New Orleans Louis Armstrong

Tue 9/15

3:46 pm-10:37 pm

1 stop8h 51m

Ontario

Sat 9/19

2:22 pm-10:58 pm

1 stop6h 36m

$377

New OrleansOntario

MSY New Orleans Louis Armstrong - ONT Ontario

MSYONT

New Orleans Louis Armstrong

Tue 12/15

10:25 am-3:10 pm

1 stop6h 45m

Ontario

Wed 1/6

11:20 am-7:30 pm

1 stop6h 10m

$377

Quickest round-trip

New OrleansOntario

MSY New Orleans Louis Armstrong - ONT Ontario

MSYONT

New Orleans Louis Armstrong

Wed 9/9

10:50 am-4:05 pm

1 stop7h 15m

Ontario

Sat 9/12

11:55 am-6:55 pm

1 stop5h 00m

$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 typical price of a round-trip flight between New Orleans and Ontario?

Prices are currently low for flights on this route.

Typical prices usually range from $536 to $590.
The lowest price recently found on this route was $254.

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 April instead. Flights to Ontario in April, while not as cheap as those in March, still average around $378.

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

You could potentially save up to 10% 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 August 2026, prices for New Orleans to Ontario flights are approximately 124% 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	$120
Fastest flight time	5h 15m
Direct flights	None

The best one-way flight to Ontario from New Orleans in the past 72 hours is $120. The best round-trip flight deal from New Orleans to Ontario found on momondo in the last 72 hours is $254.

The fastest flight from New Orleans to Ontario takes 5h 15m

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. 5h 15m 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 August 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 47% of the total bookings. Other popular airlines include Southwest with 32% and Frontier with 21%.

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 $169	Free Cancellation	Rating 5.6 2,648 reviews	Search Frontier flights
Southwest	PriceFrom $332	Free Cancellation	Rating 8.0 4,203 reviews	Search Southwest flights
American Airlines	PriceFrom $345	Free Cancellation	Rating 7.1 11,995 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

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.

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Cheap flights from New Orleans to Los Angeles from $120

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 9/24. 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

Our best Frontier deals on New Orleans to Ontario flight tickets

American Airlines flights from New Orleans to Ontario

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

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

What is the typical price of a round-trip flight between New Orleans and 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

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

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