Cheap flights from Ontario to New Orleans from $87

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 10/2. 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 (ONT-MSY)

Cheap round-trip flights

 Logo
9:16 am - 8:50 pmONT-MSY
9h 34m1 stop
 Logo
7:45 am - 8:56 pmMSY-ONT
15h 11m1 stop
Thu, Sep 25 - Mon, Sep 29
 Logo
6:00 am - 8:50 pmONT-MSY
12h 50m1 stop
 Logo
9:42 pm - 8:42 pmMSY-ONT
25h 00m1 stop
Thu, Oct 2 - Mon, Oct 6
Alaska Airlines Logo
6:00 am - 4:32 pmONT-MSY
8h 32m1 stop
Alaska Airlines Logo
8:30 am - 3:12 pmMSY-ONT
8h 42m1 stop
$216Alaska Airlines
Find Deal
Tue, Jan 13 - Wed, Jan 21
American Airlines Logo
6:10 am - 4:34 pmONT-MSY
8h 24m1 stop
American Airlines Logo
5:15 am - 9:57 amMSY-ONT
6h 42m1 stop
$217American Airlines
Find Deal
Tue, Oct 28 - Wed, Nov 5
Frontier Logo
6:53 am - 6:38 pmONT-MSY
9h 45m1 stop
Frontier Logo
6:27 pm - 11:50 pmMSY-ONT
7h 23m1 stop
$227Frontier
Find Deal
Mon, Oct 13 - Fri, Oct 17
Southwest Logo
5:55 am - 2:40 pmONT-MSY
6h 45m2 stops
Southwest Logo
5:50 am - 10:20 amMSY-ONT
6h 30m1 stop
$232Southwest
Find Deal
Wed, Jan 7 - Mon, Jan 12
Southwest Logo
3:35 pm - 10:50 pmONT-MSY
5h 15m1 stop
Southwest Logo
5:05 am - 9:15 amMSY-ONT
6h 10m1 stop
$233Southwest
Find Deal
Tue, Sep 30 - Fri, Oct 3
Alaska Airlines Logo
6:00 am - 4:32 pmONT-MSY
8h 32m1 stop
Alaska Airlines Logo
8:30 am - 3:12 pmMSY-ONT
8h 42m1 stop
$236Alaska Airlines
Find Deal
Thu, Jan 8 - Mon, Jan 12
American Airlines Logo
2:54 pm - 10:48 pmONT-MSY
5h 54m1 stop
American Airlines Logo
5:20 am - 10:03 amMSY-ONT
6h 43m1 stop
$237American Airlines
Find Deal
Mon, Sep 15 - Sat, Sep 20
Frontier Logo
6:53 am - 7:00 pmONT-MSY
10h 07m1 stop
Frontier Logo
7:45 pm - 11:50 pmMSY-ONT
6h 05m1 stop
$258Frontier
Find Deal
Thu, Nov 6 - Sun, Nov 9

American Airlines flights from Ontario to New Orleans

Our best American Airlines deals on Ontario to New Orleans flight tickets
American Airlines
Oct 28
ONT6:10 amOntario
8h 24m
1 stop
MSY4:34 pmNew Orleans Louis Armstrong
Nov 5
MSY5:15 amNew Orleans Louis Armstrong
6h 42m
1 stop
ONT9:57 amOntario
American Airlines
Sep 15
ONT2:54 pmOntario
5h 54m
1 stop
MSY10:48 pmNew Orleans Louis Armstrong
Sep 20
MSY5:20 amNew Orleans Louis Armstrong
6h 43m
1 stop
ONT10:03 amOntario
American Airlines
Sep 15
ONT2:54 pmOntario
5h 54m
1 stop
MSY10:48 pmNew Orleans Louis Armstrong
Sep 20
MSY5:20 amNew Orleans Louis Armstrong
8h 36m
2 stops
ONT11:56 amOntario

Delta flights from Ontario to New Orleans

Our best Delta deals on Ontario to New Orleans flight tickets
Delta
Aug 30
ONT6:05 amOntario
7h 41m
1 stop
MSY3:46 pmNew Orleans Louis Armstrong
Aug 31
MSY5:25 amNew Orleans Louis Armstrong
6h 55m
1 stop
ONT10:20 amOntario
Delta
Sep 4
ONT11:45 amOntario
9h 15m
1 stop
MSY11:00 pmNew Orleans Louis Armstrong
Sep 12
MSY1:05 pmNew Orleans Louis Armstrong
8h 10m
1 stop
ONT7:15 pmOntario
Delta
Aug 30
ONT6:05 amOntario
7h 41m
1 stop
MSY3:46 pmNew Orleans Louis Armstrong
Sep 4
MSY5:25 amNew Orleans Louis Armstrong
7h 10m
1 stop
ONT10:35 amOntario

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 August 21, 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

Thu 9/25

9:16 am-8:50 pm

1 stop9h 34m

New Orleans Louis Armstrong

Mon 9/29

7:45 am-8:56 pm

1 stop15h 11m

$179

OntarioNew Orleans

ONT - MSY

ONTMSY

Ontario

Thu 10/2

6:00 am-8:50 pm

1 stop12h 50m

New Orleans Louis Armstrong

Mon 10/6

9:42 pm-8:42 pm

1 stop25h 00m

$180

OntarioNew Orleans

ONT - MSY

ONTMSY

Ontario

Tue 1/13

6:00 am-4:32 pm

1 stop8h 32m

New Orleans Louis Armstrong

Wed 1/21

8:30 am-3:12 pm

1 stop8h 42m

$216

OntarioNew Orleans

ONT - MSY

ONTMSY

Ontario

Tue 10/28

6:10 am-4:34 pm

1 stop8h 24m

New Orleans Louis Armstrong

Wed 11/5

5:15 am-9:57 am

1 stop6h 42m

$217

OntarioNew Orleans

ONT - MSY

ONTMSY

Ontario

Mon 10/13

6:53 am-6:38 pm

1 stop9h 45m

New Orleans Louis Armstrong

Fri 10/17

6:27 pm-11:50 pm

1 stop7h 23m

$227

OntarioNew Orleans

ONT - MSY

ONTMSY

Ontario

Wed 1/7

5:55 am-2:40 pm

2 stops6h 45m

New Orleans Louis Armstrong

Mon 1/12

5:50 am-10:20 am

1 stop6h 30m

$232

OntarioNew Orleans

ONT - MSY

ONTMSY

Ontario

Tue 9/30

3:35 pm-10:50 pm

1 stop5h 15m

New Orleans Louis Armstrong

Fri 10/3

5:05 am-9:15 am

1 stop6h 10m

$233

OntarioNew Orleans

ONT - MSY

ONTMSY

Ontario

Thu 1/8

6:00 am-4:32 pm

1 stop8h 32m

New Orleans Louis Armstrong

Mon 1/12

8:30 am-3:12 pm

1 stop8h 42m

$236

OntarioNew Orleans

ONT - MSY

ONTMSY

Ontario

Mon 9/15

2:54 pm-10:48 pm

1 stop5h 54m

New Orleans Louis Armstrong

Sat 9/20

5:20 am-10:03 am

1 stop6h 43m

$237

OntarioNew Orleans

ONT - MSY

ONTMSY

Ontario

Thu 11/6

6:53 am-7:00 pm

1 stop10h 07m

New Orleans Louis Armstrong

Sun 11/9

7:45 pm-11:50 pm

1 stop6h 05m

$258

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 August. Flight prices, which tend to average around $339, 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 $346.

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 $313. 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 $379.

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 $249. In the morning is when there is more demand to fly to New Orleans, so prices are often more expensive at around $379 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 $418 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 $308 on momondo.

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

As of August 2025, prices for Ontario to New Orleans flights are approximately 205% 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.
  • 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 12m.

  • 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 $117Free CancellationRating
6.3
8,035 reviews
Search Spirit Airlines flights
FrontierPriceFrom $138Free CancellationRating
5.8
3,207 reviews
Search Frontier flights
American AirlinesPriceFrom $272Free CancellationRating
7.2
10,000 reviews
Search American Airlines flights
DeltaPriceFrom $273Free CancellationRating
7.9
7,981 reviews
Search Delta flights
United AirlinesPriceFrom $288Free CancellationRating
7.4
8,930 reviews
Search United Airlines flights
SouthwestPriceFrom $306Free CancellationRating
8.0
4,245 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
Houma
Slidell
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.

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1 adult
Tue 8/26
Tue 9/2

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