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Cheap flights from Ontario to New Orleans from $118

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 9/10. 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
1 adult, Economy, 0 bags

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from Ontario to New Orleans

Cheap round-trip flights

Enter your travel dates to find the best prices.
Frontier Logo
8:17 am - 4:56 pm
ONT
-
MSY
6h 39m
1 stop
Frontier Logo
5:41 pm - 8:36 am
MSY
-
ONT
16h 55m
1 stop
$244Frontier
Thu, Aug 20 - Mon, Aug 24
Frontier Logo
8:17 am - 4:56 pm
ONT
-
MSY
6h 39m
1 stop
Frontier Logo
5:41 pm - 8:36 am
MSY
-
ONT
16h 55m
1 stop
$246Frontier
Thu, Aug 20 - Mon, Aug 24
Frontier Logo
6:00 am - 9:03 pm
ONT
-
MSY
13h 03m
1 stop
Frontier Logo
2:14 pm - 10:04 am
MSY
-
ONT
21h 50m
2 stops
$262Frontier
Mon, Aug 10 - Wed, Aug 12
Multiple Airlines Logo
8:17 am - 4:56 pm
ONT
-
MSY
6h 39m
1 stop
Multiple Airlines Logo
8:05 pm - 2:03 pm
MSY
-
ONT
19h 58m
2 stops
$271Multiple Airlines
Thu, Aug 20 - Mon, Aug 24
Multiple Airlines Logo
8:17 am - 4:56 pm
ONT
-
MSY
6h 39m
1 stop
Multiple Airlines Logo
8:05 pm - 2:03 pm
MSY
-
ONT
19h 58m
2 stops
$273Multiple Airlines
Thu, Aug 20 - Mon, Aug 24
United Airlines Logo
5:45 am - 1:14 pm
ONT
-
MSY
5h 29m
1 stop
United Airlines Logo
4:25 pm - 8:53 pm
MSY
-
ONT
6h 28m
1 stop
$275United Airlines
Sat, Aug 8 - Wed, Aug 12
American Airlines Logo
2:27 pm - 10:59 pm
ONT
-
MSY
6h 32m
1 stop
American Airlines Logo
5:41 am - 9:34 am
MSY
-
ONT
5h 53m
1 stop
$276American Airlines
Fri, Aug 21 - Thu, Aug 27
Delta Logo
10:59 pm - 8:06 am
ONT
-
MSY
7h 07m
1 stop
Delta Logo
5:30 am - 11:27 am
MSY
-
ONT
7h 57m
1 stop
$277Delta
Fri, Dec 11 - Tue, Dec 15
Delta Logo
12:00 pm - 11:38 pm
ONT
-
MSY
9h 38m
1 stop
Delta Logo
5:12 am - 10:42 am
MSY
-
ONT
7h 30m
1 stop
$278Delta
Fri, Aug 21 - Thu, Aug 27
Frontier Logo
6:00 am - 9:03 pm
ONT
-
MSY
13h 03m
1 stop
Frontier Logo
2:14 pm - 8:41 am
MSY
-
ONT
20h 27m
1 stop
$279Frontier
Mon, Aug 10 - Wed, Aug 12

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United Airlines flights from Ontario to New Orleans

Our best United Airlines deals on Ontario to New Orleans flight tickets
United Airlines
Aug 8
ONT5:45 amOntario
5h 29m
1 stop
MSY1:14 pmNew Orleans Louis Armstrong
Aug 12
MSY4:25 pmNew Orleans Louis Armstrong
6h 28m
1 stop
ONT8:53 pmOntario
$275
United Airlines
Sep 18
ONT7:13 pmOntario
11h 23m
2 stops
MSY8:36 amNew Orleans Louis Armstrong
Sep 21
MSY5:32 pmNew Orleans Louis Armstrong
6h 27m
1 stop
ONT9:59 pmOntario
$280
United Airlines
Sep 18
ONT7:13 pmOntario
11h 23m
2 stops
MSY8:36 amNew Orleans Louis Armstrong
Sep 21
MSY5:32 pmNew Orleans Louis Armstrong
6h 27m
1 stop
ONT9:59 pmOntario
$282

Delta flights from Ontario to New Orleans

Our best Delta deals on Ontario to New Orleans flight tickets
Delta
Dec 11
ONT10:59 pmOntario
7h 07m
1 stop
MSY8:06 amNew Orleans Louis Armstrong
Dec 15
MSY5:30 amNew Orleans Louis Armstrong
7h 57m
1 stop
ONT11:27 amOntario
$277
Delta
Aug 21
ONT12:00 pmOntario
9h 38m
1 stop
MSY11:38 pmNew Orleans Louis Armstrong
Aug 27
MSY5:12 amNew Orleans Louis Armstrong
7h 30m
1 stop
ONT10:42 amOntario
$278
Delta
Sep 5
ONT12:00 pmOntario
6h 45m
1 stop
MSY8:45 pmNew Orleans Louis Armstrong
Sep 6
MSY5:12 amNew Orleans Louis Armstrong
7h 30m
1 stop
ONT10:42 amOntario
$305

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 July 12, 2026.
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

Cheapest round-trip

OntarioNew Orleans

ONT - MSY

ONTMSY

Ontario

Thu 8/20

8:17 am-4:56 pm

1 stop6h 39m

New Orleans Louis Armstrong

Mon 8/24

5:41 pm-8:36 am

1 stop16h 55m

$244

OntarioNew Orleans

ONT - MSY

ONTMSY

Ontario

Thu 8/20

8:17 am-4:56 pm

1 stop6h 39m

New Orleans Louis Armstrong

Mon 8/24

5:41 pm-8:36 am

1 stop16h 55m

$246

OntarioNew Orleans

ONT - MSY

ONTMSY

Ontario

Mon 8/10

6:00 am-9:03 pm

1 stop13h 03m

New Orleans Louis Armstrong

Wed 8/12

2:14 pm-10:04 am

2 stops21h 50m

$262

OntarioNew Orleans

ONT - MSY

ONTMSY

Ontario

Thu 8/20

8:17 am-4:56 pm

1 stop6h 39m

New Orleans Louis Armstrong

Mon 8/24

8:05 pm-2:03 pm

2 stops19h 58m

$271

OntarioNew Orleans

ONT - MSY

ONTMSY

Ontario

Thu 8/20

8:17 am-4:56 pm

1 stop6h 39m

New Orleans Louis Armstrong

Mon 8/24

8:05 pm-2:03 pm

2 stops19h 58m

$273
Quickest round-trip

OntarioNew Orleans

ONT - MSY

ONTMSY

Ontario

Sat 8/8

5:45 am-1:14 pm

1 stop5h 29m

New Orleans Louis Armstrong

Wed 8/12

4:25 pm-8:53 pm

1 stop6h 28m

$275

OntarioNew Orleans

ONT - MSY

ONTMSY

Ontario

Fri 8/21

2:27 pm-10:59 pm

1 stop6h 32m

New Orleans Louis Armstrong

Thu 8/27

5:41 am-9:34 am

1 stop5h 53m

$276

OntarioNew Orleans

ONT - MSY

ONTMSY

Ontario

Fri 12/11

10:59 pm-8:06 am

1 stop7h 07m

New Orleans Louis Armstrong

Tue 12/15

5:30 am-11:27 am

1 stop7h 57m

$277

OntarioNew Orleans

ONT - MSY

ONTMSY

Ontario

Fri 8/21

12:00 pm-11:38 pm

1 stop9h 38m

New Orleans Louis Armstrong

Thu 8/27

5:12 am-10:42 am

1 stop7h 30m

$278

OntarioNew Orleans

ONT - MSY

ONTMSY

Ontario

Mon 8/10

6:00 am-9:03 pm

1 stop13h 03m

New Orleans Louis Armstrong

Wed 8/12

2:14 pm-8:41 am

1 stop20h 27m

$279

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

What is the cheapest month to fly to New Orleans?

The cheapest month to fly to New Orleans from Ontario is in August. Flight prices, which tend to average around $330, 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 August, then departing from Ontario during the month January is also very affordable. Most momondo users find prices during this month for around $357.

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 $344. 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 $422.

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 $297. At noon is when there is more demand to fly to New Orleans, so prices are often more expensive at around $533 per ticket.

How far in advance should I book a flight from Ontario 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 $434 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 $317 on momondo.

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

As of July 2026, prices for Ontario to New Orleans flights are approximately 61% 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

Fastest flight time

5h 00m

Direct flights

None
The fastest flight from Ontario to New Orleans takes 5h 00m
There are no direct flights from Ontario to New Orleans. There are no popular flight routes from Ontario to New Orleans.
Search flight deals

Frequently asked questions about flying from Ontario to New Orleans

  • 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 00m.

  • 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
FrontierPriceFrom $94Free CancellationRating
5.6
2,824 reviews
Search Frontier flights
DeltaPriceFrom $177Free CancellationRating
7.8
8,458 reviews
Search Delta flights
United AirlinesPriceFrom $248Free CancellationRating
7.4
9,980 reviews
Search United Airlines flights
American AirlinesPriceFrom $248Free CancellationRating
7.1
11,804 reviews
Search American Airlines flights
SouthwestPriceFrom $319Free CancellationRating
7.9
4,251 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
Kenner
Houma
Gonzales
Gretna
Covington
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.

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