Latest deals
Insights
FAQs
Reviews
Price Alerts

Cheap flights from Ontario to Louisiana from $98

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 Louisiana departing on 10/17. 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

Discover deals from 900+ travel sites with momondo.

Save money when you book flights with momondo

Big names and deals

Big names and deals

Search 100s of travel sites to compare prices.

Filter for what you want

Filter for what you want

Free Wi-Fi? Stopover? Instantly customize your results.

Trusted and free

Trusted and free

We’re completely free to use - no hidden charges or fees.

Price Alerts

Price Alerts

Not ready to book? to track prices.
Search flight deals

Find the cheapest flights from Ontario to Louisiana

Cheap round-trip flights

Multiple Airlines Logo
1:46 pm - 9:50 pmONT-MSY
6h 04m1 stop
Multiple Airlines Logo
11:38 am - 6:49 pmMSY-ONT
9h 11m1 stop
$175Multiple Airlines
Find Deal
Fri, Nov 14 - Mon, Nov 17
Multiple Airlines Logo
1:46 pm - 8:29 pmONT-MSY
28h 43m1 stop
Multiple Airlines Logo
11:38 am - 6:49 pmMSY-ONT
9h 11m1 stop
$179Multiple Airlines
Find Deal
Thu, Oct 30 - Thu, Nov 6
Frontier Logo
6:53 am - 7:00 pmONT-MSY
10h 07m1 stop
Frontier Logo
7:45 pm - 11:50 pmMSY-ONT
6h 05m1 stop
$195Frontier
Find Deal
Mon, Nov 10 - Mon, Nov 17
Frontier Logo
6:45 am - 7:00 pmONT-MSY
10h 15m1 stop
Frontier Logo
7:45 pm - 11:50 pmMSY-ONT
6h 05m1 stop
$213Frontier
Find Deal
Sun, Nov 9 - Thu, Nov 13
American Airlines Logo
2:51 pm - 10:35 pmONT-MSY
5h 44m1 stop
American Airlines Logo
5:15 am - 9:57 amMSY-ONT
6h 42m1 stop
$249American Airlines
Find Deal
Tue, Oct 28 - Wed, Nov 5
Delta Logo
10:00 pm - 9:37 amONT-BTR
9h 37m1 stop
Delta Logo
3:40 pm - 10:22 pmBTR-ONT
8h 42m1 stop
$289Delta
Find Deal
Fri, Oct 17 - Tue, Oct 21
United Airlines Logo
6:00 am - 1:17 pmONT-BTR
5h 17m1 stop
United Airlines Logo
1:55 pm - 10:57 pmBTR-ONT
11h 02m2 stops
$294United Airlines
Find Deal
Wed, Feb 11 - Wed, Feb 18
Delta Logo
10:00 pm - 9:37 amONT-BTR
9h 37m1 stop
Delta Logo
3:40 pm - 10:22 pmBTR-ONT
8h 42m1 stop
$314Delta
Find Deal
Mon, Oct 13 - Wed, Oct 22
American Airlines Logo
11:59 pm - 9:45 amONT-SHV
7h 46m1 stop
American Airlines Logo
6:44 pm - 10:42 pmSHV-ONT
5h 58m1 stop
$319American Airlines
Find Deal
Tue, Oct 7 - Sat, Oct 11
United Airlines Logo
5:05 am - 3:58 pmONT-BTR
8h 53m2 stops
United Airlines Logo
1:55 pm - 10:57 pmBTR-ONT
11h 02m2 stops
$380United Airlines
Find Deal
Wed, Feb 11 - Wed, Feb 18

Frontier flights from Ontario to Louisiana

Our best Frontier deals on Ontario to Louisiana flight tickets
Frontier
Nov 10
ONT6:53 amOntario
10h 07m
1 stop
MSY7:00 pmNew Orleans Louis Armstrong
Nov 17
MSY7:45 pmNew Orleans Louis Armstrong
6h 05m
1 stop
ONT11:50 pmOntario
$195
Find similar
Frontier
Nov 9
ONT6:45 amOntario
10h 15m
1 stop
MSY7:00 pmNew Orleans Louis Armstrong
Nov 13
MSY7:45 pmNew Orleans Louis Armstrong
6h 05m
1 stop
ONT11:50 pmOntario
$213
Find similar
Frontier
Nov 14
ONT6:53 amOntario
10h 07m
1 stop
MSY7:00 pmNew Orleans Louis Armstrong
Nov 17
MSY7:45 pmNew Orleans Louis Armstrong
6h 05m
1 stop
ONT11:50 pmOntario
$218
Find similar

Alaska Airlines flights from Ontario to Louisiana

Our best Alaska Airlines deals on Ontario to Louisiana flight tickets
Alaska Airlines
Oct 7
ONT6:00 amOntario
8h 32m
1 stop
MSY4:32 pmNew Orleans Louis Armstrong
Oct 16
MSY5:34 pmNew Orleans Louis Armstrong
8h 29m
1 stop
ONT12:03 amOntario
$432
Find similar
Alaska Airlines
Oct 7
ONT6:00 amOntario
8h 32m
1 stop
MSY4:32 pmNew Orleans Louis Armstrong
Oct 17
MSY5:34 pmNew Orleans Louis Armstrong
8h 29m
1 stop
ONT12:03 amOntario
$451
Find similar
Alaska Airlines
Oct 4
ONT6:00 amOntario
8h 32m
1 stop
MSY4:32 pmNew Orleans Louis Armstrong
Oct 10
MSY5:34 pmNew Orleans Louis Armstrong
8h 29m
1 stop
ONT12:03 amOntario
$602
Find similar

momondo Fare Finder

 
Customize your flight search to find flights from Ontario to Louisiana 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 September 24, 2025.
Use the filters below to find and compare flights from Ontario to Louisiana that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

OntarioNew Orleans

ONT - MSY

ONTMSY

Ontario

Fri 11/14

1:46 pm-9:50 pm

1 stop6h 04m

New Orleans Louis Armstrong

Mon 11/17

11:38 am-6:49 pm

1 stop9h 11m

$175

OntarioNew Orleans

ONT - MSY

ONTMSY

Ontario

Thu 10/30

1:46 pm-8:29 pm

1 stop28h 43m

New Orleans Louis Armstrong

Thu 11/6

11:38 am-6:49 pm

1 stop9h 11m

$179

OntarioNew Orleans

ONT - MSY

ONTMSY

Ontario

Mon 11/10

6:53 am-7:00 pm

1 stop10h 07m

New Orleans Louis Armstrong

Mon 11/17

7:45 pm-11:50 pm

1 stop6h 05m

$195

OntarioNew Orleans

ONT - MSY

ONTMSY

Ontario

Sun 11/9

6:45 am-7:00 pm

1 stop10h 15m

New Orleans Louis Armstrong

Thu 11/13

7:45 pm-11:50 pm

1 stop6h 05m

$213

OntarioNew Orleans

ONT - MSY

ONTMSY

Ontario

Tue 10/28

2:51 pm-10:35 pm

1 stop5h 44m

New Orleans Louis Armstrong

Wed 11/5

5:15 am-9:57 am

1 stop6h 42m

$249

OntarioBaton Rouge

ONT - BTR

ONTBTR

Ontario

Fri 10/17

10:00 pm-9:37 am

1 stop9h 37m

Baton Rouge Ryan

Tue 10/21

3:40 pm-10:22 pm

1 stop8h 42m

$289

OntarioBaton Rouge

ONT - BTR

ONTBTR

Ontario

Wed 2/11

6:00 am-1:17 pm

1 stop5h 17m

Baton Rouge Ryan

Wed 2/18

1:55 pm-10:57 pm

2 stops11h 02m

$294

OntarioBaton Rouge

ONT - BTR

ONTBTR

Ontario

Mon 10/13

10:00 pm-9:37 am

1 stop9h 37m

Baton Rouge Ryan

Wed 10/22

3:40 pm-10:22 pm

1 stop8h 42m

$314

OntarioShreveport

ONT - SHV

ONTSHV

Ontario

Tue 10/7

11:59 pm-9:45 am

1 stop7h 46m

Shreveport

Sat 10/11

6:44 pm-10:42 pm

1 stop5h 58m

$319

OntarioBaton Rouge

ONT - BTR

ONTBTR

Ontario

Wed 2/11

5:05 am-3:58 pm

2 stops8h 53m

Baton Rouge Ryan

Wed 2/18

1:55 pm-10:57 pm

2 stops11h 02m

$380

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
1
2

See travel insights to Louisiana from

How to get the cheapest flight ticket from Ontario to Louisiana

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 Louisiana?

In general, August is the cheapest month to fly from Ontario to Louisiana. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $332. The month of September is another great option to travel to Louisiana, with average flight prices from Ontario averaging around $342.

What is the cheapest day to depart on your flight to Louisiana?

According to our data, Tuesday is the cheapest day to fly to Louisiana from Ontario. The lowest ticket price found for a Tuesday departure recently was $378. Keep in mind that prices can always vary depending on your route and whether or not you are flying domestic or international. Be sure to avoid booking your departure on a Monday as prices are generally higher than usual. According to our data, the average ticket price to Louisiana on Monday is $487.

What is the cheapest time of day to depart on your flight to Louisiana?

The cheapest time of day to fly to Louisiana is in the evening when flights can be purchased for as low as $382. In contrast, the most expensive time of day to depart to Louisiana is in the morning when prices are around $462.

How far in advance should I book a flight to Louisiana?

You are more likely to see cheaper flights to Louisiana from Ontario when booking weeks ahead of your departure date. In general, you can expect to find flights to Louisiana for around $416 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Louisiana from Ontario for as low as $359 on momondo.

Cheap Ontario to Louisiana flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Ontario to Louisiana

Direct flights

None
There are no direct flights from Ontario to Louisiana. There are no popular flight routes from Ontario to Louisiana.
Search flight deals

  • When did momondo last update prices for flights from Ontario Airport to Louisiana?

    Prices for flights from Ontario Airport to Louisiana were last updated today.

  • How many operators does momondo search for flights from Ontario Airport to Louisiana?

  • How old do you have to be to fly from Ontario Airport to Louisiana?

    The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Ontario Airport to Louisiana.

  • What documentation or ID do you need to fly to Louisiana?

    The travel and health documents required for your trip to Louisiana can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Louisiana. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

Best airlines flying from Ontario to Louisiana

Compare and see reviews for airlines that fly from Ontario to Louisiana with momondo
Airline
Rating
Free Cancellation
Price
Spirit AirlinesPriceFrom $100Free CancellationRating
6.3
8,042 reviews
Search Spirit Airlines flights
American AirlinesPriceFrom $268Free CancellationRating
7.2
10,000 reviews
Search American Airlines flights
DeltaPriceFrom $273Free CancellationRating
7.9
7,973 reviews
Search Delta flights
United AirlinesPriceFrom $284Free CancellationRating
7.4
8,928 reviews
Search United Airlines flights
SouthwestPriceFrom $303Free CancellationRating
8.0
4,244 reviews
Search Southwest flights

Why use momondo?

Why should I use momondo to find a flight deal from Ontario to Louisiana?

momondo compares prices from hundreds of airlines and agents so you can find and book the best deal on flights from Ontario to Louisiana. Millions of users trust and use momondo every year so you are in good hands.

Can I find flights from Ontario to Louisiana with flexible booking policies on momondo?

Flights from Ontario to Louisiana with flexible booking policies can be found by using the search form above and then selecting our dedicated flexible booking filter, which will highlight only the flights where this policy is applied.

How can momondo help me find flights from Ontario to Louisiana?

Once all potential Ontario to Louisiana flight options are in front of you, momondo lets you sort and filter flights based on preferences such as airline, price and flight times amongst many other options.

I’m not ready to book a flight from Ontario to Louisiana right now. Can momondo alert me if prices change?

Of course. momondo tracks the price of Ontario to Louisiana 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 Louisiana trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.
Start using Trips
Find my bookings

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.
1 adult
Fri 10/24
Fri 10/31
By creating a price alert you accept our terms of use and privacy policy.

Find better results for your trip to Louisiana

Popular cities in Louisiana

Popular flights according to clicks in the last 7 days on momondo
Flights to New Yorkfrom $50
Flights to Los Angelesfrom $44
Flights to Miamifrom $49
Flights to Chicagofrom $65
Flights to Orlandofrom $56
Flights to Las Vegasfrom $44
Flights to San Franciscofrom $60
Flights to Washington, D.C.from $56
Flights to Bostonfrom $68
Flights to Atlantafrom $51
Flights to Dallasfrom $60
Flights to Seattlefrom $86