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Cheap flights from Ontario to New Orleans from $138

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 9/9. 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.
Multiple Airlines Logo
3:34 pm - 5:00 am
ONT
-
MSY
11h 26m
1 stop
Multiple Airlines Logo
8:05 pm - 3:09 pm
MSY
-
ONT
21h 04m
1 stop
$248Multiple Airlines
Mon, Aug 24 - Mon, Aug 31
Multiple Airlines Logo
3:34 pm - 5:00 am
ONT
-
MSY
11h 26m
1 stop
Multiple Airlines Logo
8:05 pm - 3:09 pm
MSY
-
ONT
21h 04m
1 stop
$253Multiple Airlines
Mon, Aug 24 - Mon, Aug 31
Multiple Airlines Logo
8:33 pm - 5:08 pm
ONT
-
MSY
18h 35m
2 stops
Multiple Airlines Logo
8:05 pm - 7:48 pm
MSY
-
ONT
25h 43m
1 stop
$279Multiple Airlines
Mon, Aug 24 - Mon, Aug 31
Frontier Logo
6:00 am - 2:40 pm
ONT
-
MSY
6h 40m
1 stop
Frontier Logo
1:22 pm - 8:54 pm
MSY
-
ONT
9h 32m
1 stop
$280Frontier
Wed, Sep 16 - Mon, Sep 21
Frontier Logo
10:49 am - 9:03 pm
ONT
-
MSY
8h 14m
1 stop
Frontier Logo
9:48 pm - 10:05 am
MSY
-
ONT
14h 17m
1 stop
$299Frontier
Thu, Aug 13 - Mon, Aug 17
Multiple Airlines Logo
2:58 pm - 5:10 am
ONT
-
MSY
12h 12m
1 stop
Multiple Airlines Logo
6:05 pm - 1:57 pm
MSY
-
ONT
21h 52m
2 stops
$300Multiple Airlines
Sat, Oct 3 - Tue, Oct 6
Multiple Airlines Logo
11:43 am - 5:04 am
ONT
-
MSY
15h 21m
1 stop
Multiple Airlines Logo
6:05 pm - 4:48 pm
MSY
-
ONT
24h 43m
1 stop
$302Multiple Airlines
Sat, Aug 22 - Tue, Aug 25
Multiple Airlines Logo
3:34 pm - 5:04 am
ONT
-
MSY
11h 30m
1 stop
Multiple Airlines Logo
6:05 pm - 11:49 pm
MSY
-
ONT
31h 44m
2 stops
$311Multiple Airlines
Sat, Aug 22 - Tue, Aug 25
Frontier Logo
6:00 am - 9:03 pm
ONT
-
MSY
13h 03m
1 stop
Frontier Logo
3:35 pm - 11:55 pm
MSY
-
ONT
10h 20m
1 stop
$314Frontier
Sun, Sep 6 - Wed, Sep 9
Frontier Logo
10:49 am - 9:03 pm
ONT
-
MSY
8h 14m
1 stop
Frontier Logo
9:48 pm - 10:05 am
MSY
-
ONT
14h 17m
1 stop
$316Frontier
Fri, Aug 14 - Mon, Aug 17

Frontier flights from Ontario to New Orleans

Our best Frontier deals on Ontario to New Orleans flight tickets
Frontier
Sep 16
ONT6:00 amOntario
6h 40m
1 stop
MSY2:40 pmNew Orleans Louis Armstrong
Sep 21
MSY1:22 pmNew Orleans Louis Armstrong
9h 32m
1 stop
ONT8:54 pmOntario
$280
Frontier
Aug 13
ONT10:49 amOntario
8h 14m
1 stop
MSY9:03 pmNew Orleans Louis Armstrong
Aug 17
MSY9:48 pmNew Orleans Louis Armstrong
14h 17m
1 stop
ONT10:05 amOntario
$299
Frontier
Sep 6
ONT6:00 amOntario
13h 03m
1 stop
MSY9:03 pmNew Orleans Louis Armstrong
Sep 9
MSY3:35 pmNew Orleans Louis Armstrong
10h 20m
1 stop
ONT11:55 pmOntario
$314

American Airlines flights from Ontario to New Orleans

Our best American Airlines deals on Ontario to New Orleans flight tickets
American Airlines
Jun 7
ONT11:59 pmOntario
6h 35m
1 stop
MSY8:34 amNew Orleans Louis Armstrong
Jun 16
MSY7:43 amNew Orleans Louis Armstrong
6h 06m
1 stop
ONT11:49 amOntario
$488
American Airlines
Jun 5
ONT1:11 pmOntario
8h 17m
2 stops
MSY11:28 pmNew Orleans Louis Armstrong
Jun 23
MSY7:43 amNew Orleans Louis Armstrong
6h 06m
1 stop
ONT11:49 amOntario
$691

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 May 26, 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

Mon 8/24

3:34 pm-5:00 am

1 stop11h 26m

New Orleans Louis Armstrong

Mon 8/31

8:05 pm-3:09 pm

1 stop21h 04m

$248

OntarioNew Orleans

ONT - MSY

ONTMSY

Ontario

Mon 8/24

3:34 pm-5:00 am

1 stop11h 26m

New Orleans Louis Armstrong

Mon 8/31

8:05 pm-3:09 pm

1 stop21h 04m

$253

OntarioNew Orleans

ONT - MSY

ONTMSY

Ontario

Mon 8/24

8:33 pm-5:08 pm

2 stops18h 35m

New Orleans Louis Armstrong

Mon 8/31

8:05 pm-7:48 pm

1 stop25h 43m

$279
Quickest round-trip

OntarioNew Orleans

ONT - MSY

ONTMSY

Ontario

Wed 9/16

6:00 am-2:40 pm

1 stop6h 40m

New Orleans Louis Armstrong

Mon 9/21

1:22 pm-8:54 pm

1 stop9h 32m

$280

OntarioNew Orleans

ONT - MSY

ONTMSY

Ontario

Thu 8/13

10:49 am-9:03 pm

1 stop8h 14m

New Orleans Louis Armstrong

Mon 8/17

9:48 pm-10:05 am

1 stop14h 17m

$299

OntarioNew Orleans

ONT - MSY

ONTMSY

Ontario

Sat 10/3

2:58 pm-5:10 am

1 stop12h 12m

New Orleans Louis Armstrong

Tue 10/6

6:05 pm-1:57 pm

2 stops21h 52m

$300

OntarioNew Orleans

ONT - MSY

ONTMSY

Ontario

Sat 8/22

11:43 am-5:04 am

1 stop15h 21m

New Orleans Louis Armstrong

Tue 8/25

6:05 pm-4:48 pm

1 stop24h 43m

$302

OntarioNew Orleans

ONT - MSY

ONTMSY

Ontario

Sat 8/22

3:34 pm-5:04 am

1 stop11h 30m

New Orleans Louis Armstrong

Tue 8/25

6:05 pm-11:49 pm

2 stops31h 44m

$311

OntarioNew Orleans

ONT - MSY

ONTMSY

Ontario

Sun 9/6

6:00 am-9:03 pm

1 stop13h 03m

New Orleans Louis Armstrong

Wed 9/9

3:35 pm-11:55 pm

1 stop10h 20m

$314

OntarioNew Orleans

ONT - MSY

ONTMSY

Ontario

Fri 8/14

10:49 am-9:03 pm

1 stop8h 14m

New Orleans Louis Armstrong

Mon 8/17

9:48 pm-10:05 am

1 stop14h 17m

$316

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 $332, 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 $355.

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 $306. When flying out on a Thursday, the most expensive travel day of the week, you can expect to see flight prices from Ontario to New Orleans for around $344.

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 $278. In the morning is when there is more demand to fly to New Orleans, so prices are often more expensive at around $397 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 $412 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 May 2026, prices for Ontario to New Orleans flights are approximately 39% 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 29m

Direct flights

None
The fastest flight from Ontario to New Orleans takes 5h 29m
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 29m.

  • 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
6.2
Search Spirit Airlines flights
FrontierPriceFrom $94Free CancellationRating
5.6
2,933 reviews
Search Frontier flights
DeltaPriceFrom $177Free CancellationRating
7.9
8,426 reviews
Search Delta flights
United AirlinesPriceFrom $248Free CancellationRating
7.4
9,749 reviews
Search United Airlines flights
American AirlinesPriceFrom $248Free CancellationRating
7.1
11,629 reviews
Search American Airlines flights
SouthwestPriceFrom $316Free CancellationRating
8.0
4,266 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.

An easier way to manage your New Orleans trip

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