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Cheap flights from Ontario to New Orleans from $85

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Ontario to New Orleans departing on 11/10. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
0 bags

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Cheap round-trip flights

Enter your travel dates to find the best prices.
Multiple Airlines Logo
2:26 pm - 3:36 pmONT-MSY
23h 10m2 stops
Multiple Airlines Logo
12:48 pm - 9:04 pmMSY-ONT
10h 16m1 stop
$206Multiple Airlines
Find Deal
Fri, Dec 5 - Mon, Dec 15
Multiple Airlines Logo
2:26 pm - 3:36 pmONT-MSY
23h 10m2 stops
Multiple Airlines Logo
6:10 pm - 3:56 pmMSY-ONT
23h 46m1 stop
$225Multiple Airlines
Find Deal
Fri, Dec 5 - Sun, Dec 14
Multiple Airlines Logo
6:30 am - 11:53 amONT-MSY
27h 23m1 stop
Multiple Airlines Logo
12:48 pm - 9:04 pmMSY-ONT
10h 16m1 stop
$226Multiple Airlines
Find Deal
Fri, Dec 5 - Mon, Dec 15
American Airlines Logo
12:46 pm - 10:42 pmONT-MSY
7h 56m1 stop
American Airlines Logo
7:56 pm - 11:55 pmMSY-ONT
5h 59m1 stop
$239American Airlines
Find Deal
Thu, Dec 4 - Sun, Dec 7
American Airlines Logo
2:51 pm - 10:35 pmONT-MSY
5h 44m1 stop
American Airlines Logo
5:15 am - 9:57 amMSY-ONT
6h 42m1 stop
$244American Airlines
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Wed, Oct 29 - Wed, Nov 5
Southwest Logo
5:25 am - 2:25 pmONT-MSY
7h 00m1 stop
Southwest Logo
11:45 am - 5:20 pmMSY-ONT
7h 35m1 stop
$258Southwest
Find Deal
Tue, Nov 4 - Tue, Nov 11
Southwest Logo
5:25 am - 2:25 pmONT-MSY
7h 00m1 stop
Southwest Logo
11:45 am - 7:15 pmMSY-ONT
9h 30m2 stops
$263Southwest
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Tue, Nov 4 - Tue, Nov 11
United Airlines Logo
6:00 am - 5:08 pmONT-MSY
9h 08m2 stops
United Airlines Logo
2:13 pm - 8:58 pmMSY-ONT
8h 45m2 stops
$273United Airlines
Find Deal
Sun, Feb 1 - Mon, Feb 2
Delta Logo
10:30 pm - 9:03 amONT-MSY
8h 33m1 stop
Delta Logo
7:18 pm - 11:52 pmMSY-ONT
6h 34m1 stop
$277Delta
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Mon, Feb 23 - Fri, Feb 27
Delta Logo
6:00 am - 2:14 pmONT-MSY
6h 14m1 stop
Delta Logo
5:58 pm - 11:04 pmMSY-ONT
7h 06m1 stop
$278Delta
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Sun, Nov 9 - Tue, Nov 18

Alaska Airlines flights from Ontario to New Orleans

Our best Alaska Airlines deals on Ontario to New Orleans flight tickets
Alaska Airlines
Nov 5
ONT11:59 amOntario
10h 35m
1 stop
MSY12:34 amNew Orleans Louis Armstrong
Nov 12
MSY7:00 amNew Orleans Louis Armstrong
10h 17m
1 stop
ONT3:17 pmOntario
$238
Find similar
Alaska Airlines
Nov 10
ONT6:00 amOntario
8h 19m
1 stop
MSY4:19 pmNew Orleans Louis Armstrong
Nov 13
MSY7:00 amNew Orleans Louis Armstrong
10h 17m
1 stop
ONT3:17 pmOntario
$265
Find similar
Alaska Airlines
Nov 10
ONT6:00 amOntario
8h 19m
1 stop
MSY4:19 pmNew Orleans Louis Armstrong
Nov 18
MSY7:00 amNew Orleans Louis Armstrong
10h 17m
1 stop
ONT3:17 pmOntario
$267
Find similar

United Airlines flights from Ontario to New Orleans

Our best United Airlines deals on Ontario to New Orleans flight tickets
United Airlines
Feb 1
ONT6:00 amOntario
9h 08m
2 stops
MSY5:08 pmNew Orleans Louis Armstrong
Feb 2
MSY2:13 pmNew Orleans Louis Armstrong
8h 45m
2 stops
ONT8:58 pmOntario
$273
Find similar
United Airlines
Oct 15
ONT9:36 amOntario
12h 23m
1 stop
MSY11:59 pmNew Orleans Louis Armstrong
Oct 29
MSY2:20 pmNew Orleans Louis Armstrong
10h 11m
1 stop
ONT10:31 pmOntario
$532
Find similar
United Airlines
Oct 21
ONT9:36 amOntario
9h 54m
2 stops
MSY9:30 pmNew Orleans Louis Armstrong
Oct 25
MSY5:15 amNew Orleans Louis Armstrong
9h 36m
2 stops
ONT12:51 pmOntario
$547
Find similar

momondo Fare Finder

 
Customize your flight search to find flights from Ontario to New Orleans 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, momondo users made 832,500 searches. Data last updated October 7, 2025.
Use the filters below to find and compare flights from Ontario to New Orleans that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

OntarioNew Orleans

ONT - MSY

ONTMSY

Ontario

Fri 12/5

2:26 pm-3:36 pm

2 stops23h 10m

New Orleans Louis Armstrong

Mon 12/15

12:48 pm-9:04 pm

1 stop10h 16m

$206

OntarioNew Orleans

ONT - MSY

ONTMSY

Ontario

Fri 12/5

2:26 pm-3:36 pm

2 stops23h 10m

New Orleans Louis Armstrong

Sun 12/14

6:10 pm-3:56 pm

1 stop23h 46m

$225

OntarioNew Orleans

ONT - MSY

ONTMSY

Ontario

Fri 12/5

6:30 am-11:53 am

1 stop27h 23m

New Orleans Louis Armstrong

Mon 12/15

12:48 pm-9:04 pm

1 stop10h 16m

$226

OntarioNew Orleans

ONT - MSY

ONTMSY

Ontario

Thu 12/4

12:46 pm-10:42 pm

1 stop7h 56m

New Orleans Louis Armstrong

Sun 12/7

7:56 pm-11:55 pm

1 stop5h 59m

$239

OntarioNew Orleans

ONT - MSY

ONTMSY

Ontario

Wed 10/29

2:51 pm-10:35 pm

1 stop5h 44m

New Orleans Louis Armstrong

Wed 11/5

5:15 am-9:57 am

1 stop6h 42m

$244

OntarioNew Orleans

ONT - MSY

ONTMSY

Ontario

Tue 11/4

5:25 am-2:25 pm

1 stop7h 00m

New Orleans Louis Armstrong

Tue 11/11

11:45 am-5:20 pm

1 stop7h 35m

$258

OntarioNew Orleans

ONT - MSY

ONTMSY

Ontario

Tue 11/4

5:25 am-2:25 pm

1 stop7h 00m

New Orleans Louis Armstrong

Tue 11/11

11:45 am-7:15 pm

2 stops9h 30m

$263

OntarioNew Orleans

ONT - MSY

ONTMSY

Ontario

Sun 2/1

6:00 am-5:08 pm

2 stops9h 08m

New Orleans Louis Armstrong

Mon 2/2

2:13 pm-8:58 pm

2 stops8h 45m

$273

OntarioNew Orleans

ONT - MSY

ONTMSY

Ontario

Mon 2/23

10:30 pm-9:03 am

1 stop8h 33m

New Orleans Louis Armstrong

Fri 2/27

7:18 pm-11:52 pm

1 stop6h 34m

$277

OntarioNew Orleans

ONT - MSY

ONTMSY

Ontario

Sun 11/9

6:00 am-2:14 pm

1 stop6h 14m

New Orleans Louis Armstrong

Tue 11/18

5:58 pm-11:04 pm

1 stop7h 06m

$278

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to New Orleans from

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

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 New Orleans?

The cheapest month to fly to New Orleans from Ontario is in September. Flight prices, which tend to average around $316, are often lower during this time because this is during the off-season. If you are unable to visit New Orleans during the month of September, then departing from Ontario during the month August is also very affordable. Most momondo users find prices during this month for around $332.

What is the cheapest day to depart on your flight to New Orleans?

The cheapest day to depart from Ontario to New Orleans is on a Tuesday when prices can be found for as low as $304. When flying out on a Sunday, the most expensive travel day of the week, you can expect to see flight prices from Ontario to New Orleans for around $370.

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

The cheapest time of day to fly to New Orleans is in the evening when flights can be purchased for as low as $231. In the morning is when there is more demand to fly to New Orleans, so prices are often more expensive at around $359 per ticket.

How far in advance should I book a flight to New Orleans?

You are more likely to see cheaper flights to New Orleans from Ontario when booking weeks ahead of your departure date. In general, you can expect to find flights to New Orleans for around $409 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to New Orleans from Ontario for as low as $359 on momondo.

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

As of October 2025, prices for Ontario to New Orleans flights are approximately 88% more expensive when compared to flights at the same time last year.

When to book flights from Ontario to New Orleans

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

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

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

Direct flights

None
There are no direct flights from Ontario to New Orleans. There are no popular flight routes from Ontario to New Orleans.
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  • How far is Ontario to New Orleans Louis Armstrong by plane?

    A flight from Ontario to New Orleans Louis Armstrong will travel around 1634.5 mi. In terms of flight time, this usually takes a little over 5h 32m.

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

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

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

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

    Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Ontario Airport to New Orleans Louis Armstrong Airport.

  • What documentation or ID do you need to fly to New Orleans Louis Armstrong Airport?

    The travel and health documents you'll need for your trip to New Orleans Louis Armstrong Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at New Orleans Louis Armstrong Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

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

Best airlines flying from Ontario to New Orleans

Compare and see reviews for airlines that fly from Ontario to New Orleans with momondo
Airline
Rating
Free Cancellation
Price
Spirit AirlinesPriceFrom $100Free CancellationRating
6.3
8,080 reviews
Search Spirit Airlines flights
United AirlinesPriceFrom $248Free CancellationRating
7.4
8,957 reviews
Search United Airlines flights
American AirlinesPriceFrom $271Free CancellationRating
7.2
11,041 reviews
Search American Airlines flights
DeltaPriceFrom $273Free CancellationRating
7.9
7,969 reviews
Search Delta flights
SouthwestPriceFrom $303Free CancellationRating
8.0
4,233 reviews
Search Southwest flights

Traveling to a place near New Orleans?

Book flights to New Orleans if you plan to visit one of these locations
Metairie
Hammond
Slidell
Houma
Kenner
Covington
Gonzales
Gretna
Thibodaux
Lockport
Springfield

Why use momondo?

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

Finding the right flight to New Orleans from Ontario 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 New Orleans quick and easy, saving you time and money.

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

All flight searches from Ontario to New Orleans on momondo can be filtered to show those which offer flexible booking policies.

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

Once you have performed a search for Ontario to New Orleans flights, momondo helps you find the right one by offering useful filters to narrow down your flight selection. Flights can be filtered by multiple factors such as airline, airport and price; but also by other criteria like aircraft type and payment method.

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

Of course. momondo tracks the price of Ontario to New Orleans flights. All you need is a valid email address and we will do the rest; it is that quick and easy.

An easier way to manage your New Orleans trip

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