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Cheap flights from Ontario to New Orleans from $79

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 5/7. 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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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
10:50 am - 9:10 pm
ONT
-
MSY
8h 20m
1 stop
Frontier Logo
9:55 pm - 10:05 am
MSY
-
ONT
14h 10m
1 stop
$131Frontier
jue., may. 7 - lun., may. 11
Frontier Logo
6:00 am - 9:10 pm
ONT
-
MSY
13h 10m
1 stop
Frontier Logo
9:55 pm - 10:05 am
MSY
-
ONT
14h 10m
1 stop
$154Frontier
jue., may. 7 - lun., may. 11
Frontier Logo
10:50 am - 5:12 pm
ONT
-
MSY
28h 22m
2 stops
Frontier Logo
9:55 pm - 10:05 am
MSY
-
ONT
14h 10m
1 stop
$159Frontier
mié., may. 6 - lun., may. 11
Frontier Logo
12:59 am - 2:44 pm
ONT
-
MSY
11h 45m
1 stop
Frontier Logo
9:46 pm - 7:49 am
MSY
-
ONT
12h 03m
1 stop
$160Frontier
sáb., may. 2 - jue., may. 7
Frontier Logo
11:36 am - 8:51 pm
ONT
-
MSY
7h 15m
1 stop
Frontier Logo
9:55 pm - 10:05 am
MSY
-
ONT
14h 10m
1 stop
$167Frontier
jue., may. 7 - lun., may. 11
Frontier Logo
7:44 pm - 12:22 pm
ONT
-
MSY
14h 38m
1 stop
Frontier Logo
9:46 pm - 7:49 am
MSY
-
ONT
12h 03m
1 stop
$171Frontier
sáb., may. 2 - dom., may. 10
Multiple Airlines Logo
5:43 pm - 2:44 pm
ONT
-
MSY
19h 01m
1 stop
Multiple Airlines Logo
8:28 pm - 10:05 am
MSY
-
ONT
15h 37m
2 stops
$172Multiple Airlines
jue., abr. 30 - lun., may. 4
Frontier Logo
6:00 am - 9:10 pm
ONT
-
MSY
13h 10m
1 stop
Frontier Logo
9:55 pm - 10:05 am
MSY
-
ONT
14h 10m
1 stop
$174Frontier
vie., may. 29 - jue., jun. 4
Frontier Logo
12:59 am - 2:44 pm
ONT
-
MSY
11h 45m
1 stop
Frontier Logo
3:39 pm - 11:55 pm
MSY
-
ONT
10h 16m
1 stop
$180Frontier
sáb., abr. 25 - vie., may. 1
Frontier Logo
6:00 am - 9:10 pm
ONT
-
MSY
13h 10m
1 stop
Frontier Logo
9:55 pm - 10:05 am
MSY
-
ONT
14h 10m
1 stop
$185Frontier
dom., may. 10 - lun., may. 11

Frontier flights from Ontario to New Orleans

Our best Frontier deals on Ontario to New Orleans flight tickets
Frontier
May 7
ONT10:50 amOntario
8h 20m
1 stop
MSY9:10 pmNew Orleans Louis Armstrong
May 11
MSY9:55 pmNew Orleans Louis Armstrong
14h 10m
1 stop
ONT10:05 amOntario
$131
Frontier
May 7
ONT6:00 amOntario
13h 10m
1 stop
MSY9:10 pmNew Orleans Louis Armstrong
May 11
MSY9:55 pmNew Orleans Louis Armstrong
14h 10m
1 stop
ONT10:05 amOntario
$154
Frontier
May 6
ONT10:50 amOntario
28h 22m
2 stops
MSY5:12 pmNew Orleans Louis Armstrong
May 11
MSY9:55 pmNew Orleans Louis Armstrong
14h 10m
1 stop
ONT10:05 amOntario
$159

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 abril 13, 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

jue. 5/7

10:50 am-9:10 pm

1 stop8h 20m

New Orleans Louis Armstrong

lun. 5/11

9:55 pm-10:05 am

1 stop14h 10m

$131

OntarioNew Orleans

ONT - MSY

ONTMSY

Ontario

jue. 5/7

6:00 am-9:10 pm

1 stop13h 10m

New Orleans Louis Armstrong

lun. 5/11

9:55 pm-10:05 am

1 stop14h 10m

$154

OntarioNew Orleans

ONT - MSY

ONTMSY

Ontario

mié. 5/6

10:50 am-5:12 pm

2 stops28h 22m

New Orleans Louis Armstrong

lun. 5/11

9:55 pm-10:05 am

1 stop14h 10m

$159

OntarioNew Orleans

ONT - MSY

ONTMSY

Ontario

sáb. 5/2

12:59 am-2:44 pm

1 stop11h 45m

New Orleans Louis Armstrong

jue. 5/7

9:46 pm-7:49 am

1 stop12h 03m

$160
Quickest round-trip

OntarioNew Orleans

ONT - MSY

ONTMSY

Ontario

jue. 5/7

11:36 am-8:51 pm

1 stop7h 15m

New Orleans Louis Armstrong

lun. 5/11

9:55 pm-10:05 am

1 stop14h 10m

$167

OntarioNew Orleans

ONT - MSY

ONTMSY

Ontario

sáb. 5/2

7:44 pm-12:22 pm

1 stop14h 38m

New Orleans Louis Armstrong

dom. 5/10

9:46 pm-7:49 am

1 stop12h 03m

$171

OntarioNew Orleans

ONT - MSY

ONTMSY

Ontario

jue. 4/30

5:43 pm-2:44 pm

1 stop19h 01m

New Orleans Louis Armstrong

lun. 5/4

8:28 pm-10:05 am

2 stops15h 37m

$172

OntarioNew Orleans

ONT - MSY

ONTMSY

Ontario

vie. 5/29

6:00 am-9:10 pm

1 stop13h 10m

New Orleans Louis Armstrong

jue. 6/4

9:55 pm-10:05 am

1 stop14h 10m

$174

OntarioNew Orleans

ONT - MSY

ONTMSY

Ontario

sáb. 4/25

12:59 am-2:44 pm

1 stop11h 45m

New Orleans Louis Armstrong

vie. 5/1

3:39 pm-11:55 pm

1 stop10h 16m

$180

OntarioNew Orleans

ONT - MSY

ONTMSY

Ontario

dom. 5/10

6:00 am-9:10 pm

1 stop13h 10m

New Orleans Louis Armstrong

lun. 5/11

9:55 pm-10:05 am

1 stop14h 10m

$185

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 $331, 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 September is also very affordable. Most momondo users find prices during this month for around $342.

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 $298. When flying out on a Monday, the most expensive travel day of the week, you can expect to see flight prices from Ontario to New Orleans for around $326.

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 $271. At noon is when there is more demand to fly to New Orleans, so prices are often more expensive at around $387 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 $400 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 April 2026, prices for Ontario to New Orleans flights are approximately 42% 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 13m

Direct flights

None
The fastest flight from Ontario to New Orleans takes 5h 13m
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 13m.

  • 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
8,616 reviews
Search Spirit Airlines flights
FrontierPriceFrom $94Free CancellationRating
5.7
2,994 reviews
Search Frontier flights
DeltaPriceFrom $177Free CancellationRating
7.9
8,408 reviews
Search Delta flights
United AirlinesPriceFrom $238Free CancellationRating
7.4
9,581 reviews
Search United Airlines flights
American AirlinesPriceFrom $248Free CancellationRating
7.1
11,572 reviews
Search American Airlines flights
SouthwestPriceFrom $306Free CancellationRating
8.0
4,329 reviews
Search Southwest flights

  • Southwest Flights From Ontario to New Orleans

    The lowest priced Southwest flight from Ontario to New Orleans from the last 72 hours was $306. Generally, Southwest has 1 flight on this route every week with an average price of $435. Southwest is rated 8.0/10 by our users.

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.

An easier way to manage your New Orleans trip

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