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Cheap flights from Ontario to New Orleans from $94

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 5/3. 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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Find the cheapest flights from Ontario to New Orleans

Cheap round-trip flights

Enter your travel dates to find the best prices.
Frontier Logo
6:15 am - 2:14 pm
ONT
-
MSY
5h 59m
1 stop
Frontier Logo
3:39 pm - 11:55 pm
MSY
-
ONT
10h 16m
1 stop
$190Frontier
Sun, Apr 19 - Fri, Apr 24
Frontier Logo
8:26 am - 8:09 pm
ONT
-
MSY
9h 43m
1 stop
Frontier Logo
11:26 am - 4:38 pm
MSY
-
ONT
7h 12m
1 stop
$197Frontier
Fri, Apr 17 - Mon, Apr 20
Frontier Logo
7:44 pm - 12:22 pm
ONT
-
MSY
14h 38m
1 stop
Frontier Logo
1:24 pm - 11:24 pm
MSY
-
ONT
12h 00m
1 stop
$201Frontier
Sat, May 2 - Thu, May 7
Frontier Logo
8:26 am - 8:09 pm
ONT
-
MSY
9h 43m
1 stop
Frontier Logo
3:36 pm - 11:55 pm
MSY
-
ONT
10h 19m
1 stop
$203Frontier
Fri, Apr 17 - Thu, Apr 23
Multiple Airlines Logo
5:18 pm - 10:27 am
ONT
-
MSY
15h 09m
1 stop
Multiple Airlines Logo
11:34 am - 11:55 pm
MSY
-
ONT
14h 21m
2 stops
$206Multiple Airlines
Tue, Apr 7 - Tue, Apr 14
Multiple Airlines Logo
5:18 pm - 10:27 am
ONT
-
MSY
15h 09m
1 stop
Multiple Airlines Logo
11:34 am - 11:55 pm
MSY
-
ONT
14h 21m
2 stops
$207Multiple Airlines
Tue, Apr 7 - Tue, Apr 14
Frontier Logo
12:59 am - 2:44 pm
ONT
-
MSY
11h 45m
1 stop
Frontier Logo
11:58 am - 4:38 pm
MSY
-
ONT
6h 40m
1 stop
$211Frontier
Sun, Apr 19 - Fri, Apr 24
Multiple Airlines Logo
2:23 pm - 5:24 am
ONT
-
MSY
13h 01m
1 stop
Multiple Airlines Logo
11:34 am - 5:39 pm
MSY
-
ONT
8h 05m
1 stop
$218Multiple Airlines
Tue, Mar 24 - Sat, Mar 28
Frontier Logo
6:20 am - 2:44 pm
ONT
-
MSY
6h 24m
1 stop
Frontier Logo
3:36 pm - 11:56 pm
MSY
-
ONT
10h 20m
1 stop
$220Frontier
Sun, Apr 5 - Fri, Apr 10
Multiple Airlines Logo
5:18 pm - 10:27 am
ONT
-
MSY
15h 09m
1 stop
Multiple Airlines Logo
11:34 am - 8:39 pm
MSY
-
ONT
11h 05m
1 stop
$221Multiple Airlines
Tue, Apr 7 - Tue, Apr 14

Frontier flights from Ontario to New Orleans

Our best Frontier deals on Ontario to New Orleans flight tickets
Frontier
Apr 19
ONT6:15 amOntario
5h 59m
1 stop
MSY2:14 pmNew Orleans Louis Armstrong
Apr 23
MSY3:36 pmNew Orleans Louis Armstrong
10h 19m
1 stop
ONT11:55 pmOntario
$190
Frontier
Apr 17
ONT8:26 amOntario
9h 43m
1 stop
MSY8:09 pmNew Orleans Louis Armstrong
Apr 20
MSY11:26 amNew Orleans Louis Armstrong
7h 12m
1 stop
ONT4:38 pmOntario
$197
Frontier
May 2
ONT7:44 pmOntario
14h 38m
1 stop
MSY12:22 pmNew Orleans Louis Armstrong
May 7
MSY1:24 pmNew Orleans Louis Armstrong
12h 00m
1 stop
ONT11:24 pmOntario
$201

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 February 23, 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

OntarioNew Orleans

ONT - MSY

ONTMSY

Ontario

Sun 4/19

6:15 am-2:14 pm

1 stop5h 59m

New Orleans Louis Armstrong

Fri 4/24

3:39 pm-11:55 pm

1 stop10h 16m

$190

OntarioNew Orleans

ONT - MSY

ONTMSY

Ontario

Fri 4/17

8:26 am-8:09 pm

1 stop9h 43m

New Orleans Louis Armstrong

Mon 4/20

11:26 am-4:38 pm

1 stop7h 12m

$197

OntarioNew Orleans

ONT - MSY

ONTMSY

Ontario

Sat 5/2

7:44 pm-12:22 pm

1 stop14h 38m

New Orleans Louis Armstrong

Thu 5/7

1:24 pm-11:24 pm

1 stop12h 00m

$201

OntarioNew Orleans

ONT - MSY

ONTMSY

Ontario

Fri 4/17

8:26 am-8:09 pm

1 stop9h 43m

New Orleans Louis Armstrong

Thu 4/23

3:36 pm-11:55 pm

1 stop10h 19m

$203

OntarioNew Orleans

ONT - MSY

ONTMSY

Ontario

Tue 4/7

5:18 pm-10:27 am

1 stop15h 09m

New Orleans Louis Armstrong

Tue 4/14

11:34 am-11:55 pm

2 stops14h 21m

$206

OntarioNew Orleans

ONT - MSY

ONTMSY

Ontario

Tue 4/7

5:18 pm-10:27 am

1 stop15h 09m

New Orleans Louis Armstrong

Tue 4/14

11:34 am-11:55 pm

2 stops14h 21m

$207

OntarioNew Orleans

ONT - MSY

ONTMSY

Ontario

Sun 4/19

12:59 am-2:44 pm

1 stop11h 45m

New Orleans Louis Armstrong

Fri 4/24

11:58 am-4:38 pm

1 stop6h 40m

$211

OntarioNew Orleans

ONT - MSY

ONTMSY

Ontario

Tue 3/24

2:23 pm-5:24 am

1 stop13h 01m

New Orleans Louis Armstrong

Sat 3/28

11:34 am-5:39 pm

1 stop8h 05m

$218

OntarioNew Orleans

ONT - MSY

ONTMSY

Ontario

Sun 4/5

6:20 am-2:44 pm

1 stop6h 24m

New Orleans Louis Armstrong

Fri 4/10

3:36 pm-11:56 pm

1 stop10h 20m

$220

OntarioNew Orleans

ONT - MSY

ONTMSY

Ontario

Tue 4/7

5:18 pm-10:27 am

1 stop15h 09m

New Orleans Louis Armstrong

Tue 4/14

11:34 am-8:39 pm

1 stop11h 05m

$221

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 $327, 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 Saturday when prices can be found for as low as $275. When flying out on a Friday, the most expensive travel day of the week, you can expect to see flight prices from Ontario to New Orleans for around $310.

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 $247. At noon is when there is more demand to fly to New Orleans, so prices are often more expensive at around $373 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 $396 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 $322 on momondo.

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

As of February 2026, prices for Ontario to New Orleans flights are approximately 29% 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 54m

Direct flights

None
The fastest flight from Ontario to New Orleans takes 5h 54m
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 54m.

  • 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 $54Free CancellationRating
6.3
8,489 reviews
Search Spirit Airlines flights
FrontierPriceFrom $112Free CancellationRating
5.7
3,044 reviews
Search Frontier flights
DeltaPriceFrom $166Free CancellationRating
7.9
8,235 reviews
Search Delta flights
United AirlinesPriceFrom $238Free CancellationRating
7.4
9,342 reviews
Search United Airlines flights
American AirlinesPriceFrom $242Free CancellationRating
7.2
11,339 reviews
Search American Airlines flights
SouthwestPriceFrom $302Free CancellationRating
8.0
4,300 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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