Louisiana

$84+ Cheap flights from Ontario (ONT) to Louisiana

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 2/28. Fares are subject to change and may not be available on all flights or dates of travel.
ONT — MSY
Mar 5 — Mar 121
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Cheap flight deals from Ontario to Louisiana

Cheapest flights from Ontario to Louisiana
Explore the most affordable flight options available from Ontario to Louisiana. Find the lowest fares from popular airlines and budget airlines, with prices last updated on February 3, 2026.

This Kiwi.com deal was found by Cheapflights users on 2/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 3/76:15 am
ONT
-
MSY
1 stop6h 26m
Multiple Airlines
Tue 3/1010:43 am
MSY
-
ONT
2 stops15h 16m
Multiple Airlines
Deal found 2/1$137
This CheapOair deal was found by Cheapflights users on 2/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 2/258:40 am
ONT
-
MSY
1 stop26h 59m
Frontier
Sat 2/282:34 pm
MSY
-
ONT
1 stop19h 25m
Frontier
Deal found 2/2$159
This CheapOair deal was found by Cheapflights users on 2/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 2/262:08 pm
ONT
-
MSY
1 stop26h 39m
Frontier
Sat 2/282:34 pm
MSY
-
ONT
1 stop19h 25m
Frontier
Deal found 2/2$169
This Kiwi.com deal was found by Cheapflights users on 2/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/32:06 pm
ONT
-
MSY
2 stops16h 15m
Multiple Airlines
Tue 3/108:29 pm
MSY
-
ONT
1 stop18h 59m
Multiple Airlines
Deal found 2/1$182
This Kiwi.com deal was found by Cheapflights users on 2/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 3/26:43 pm
ONT
-
MSY
1 stop8h 41m
Multiple Airlines
Wed 3/1110:43 am
MSY
-
ONT
2 stops15h 16m
Multiple Airlines
Deal found 2/1$187
This Kiwi.com deal was found by Cheapflights users on 2/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 2/243:22 pm
ONT
-
MSY
2 stops14h 59m
Multiple Airlines
Sat 2/282:34 pm
MSY
-
ONT
1 stop19h 25m
Multiple Airlines
Deal found 2/1$189
This Frontier deal was found by Cheapflights users on 2/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 2/236:10 am
ONT
-
MSY
1 stop10h 37m
Frontier
Sat 2/282:34 pm
MSY
-
ONT
1 stop11h 25m
Frontier
Deal found 2/3$190
This Frontier deal was found by Cheapflights users on 2/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 2/286:00 am
ONT
-
MSY
1 stop5h 39m
Frontier
Sat 3/73:36 pm
MSY
-
ONT
1 stop10h 23m
Frontier
Deal found 2/1$193
This Trip.com deal was found by Cheapflights users on 2/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 2/178:35 am
ONT
-
MSY
1 stop13h 49m
Frontier
Sat 2/213:13 pm
MSY
-
ONT
1 stop10h 46m
Frontier
Deal found 2/1$197
This Kiwi.com deal was found by Cheapflights users on 2/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/1611:44 am
ONT
-
MSY
1 stop15h 40m
Multiple Airlines
Tue 4/218:29 pm
MSY
-
ONT
1 stop24h 05m
Multiple Airlines
Deal found 2/2$198
This American Airlines deal was found by Cheapflights users on 2/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 3/42:39 pm
ONT
-
SHV
1 stop5h 17m
American Airlines
Wed 3/116:26 pm
SHV
-
ONT
1 stop7h 33m
American Airlines
Deal found 2/1$289
This Delta deal was found by Cheapflights users on 2/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 3/51:15 pm
ONT
-
BTR
1 stop6h 46m
Delta
Wed 3/116:07 am
BTR
-
ONT
1 stop7h 40m
Delta
Deal found 2/2$309

Find flight deals from Ontario to Louisiana

Keep the following information in mind while searching for Ontario to Louisiana flight deals. Data was last updated February 3, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$137
(Kiwi.com)

One-way from

$84
(Mytrip)

Popular in

January

Cheapest in

September

Average price

$352
Provider with most accurate pricing for Los Angeles-New Orleans Louis Armstrong flight deals.
Provider most trusted by Cheapflights users for Los Angeles-New Orleans Louis Armstrong flights.
From Ontario to Louisiana
One-way flight from Ontario to Louisiana
Highest demand for flights based on searches. 11% potential increase in price ($38 potential increase over avg. RT price).
Cheapest flight prices on average. 2% potential price decrease ($8 potential savings vs. average RT price).
Average for round-trip flights in February 2026

Cheapflights 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, Cheapflights users made 2,558,603 searches. Data last updated February 3, 2026.
Use the filters below to find and compare flights from Ontario to Louisiana that are best for you.

Fly from

Ontario

Fly to

Louisiana

Route

Depart

Return

Price

OntarioNew Orleans

ONT - MSY

ONTMSY

Ontario

Wed 2/25

6:00 am-1:43 pm

1 stop5h 43m

New Orleans Louis Armstrong

Wed 3/4

1:16 pm-9:05 pm

1 stop9h 49m

$277

OntarioNew Orleans

ONT - MSY

ONTMSY

Ontario

Sat 3/7

10:20 pm-7:43 am

1 stop7h 23m

New Orleans Louis Armstrong

Wed 3/11

3:41 pm-9:00 pm

1 stop7h 19m

$277

OntarioNew Orleans

ONT - MSY

ONTMSY

Ontario

Sat 4/18

5:10 am-4:12 pm

2 stops9h 02m

New Orleans Louis Armstrong

Wed 4/22

5:00 am-12:38 pm

2 stops9h 38m

$288

OntarioShreveport

ONT - SHV

ONTSHV

Ontario

Wed 3/4

2:39 pm-9:56 pm

1 stop5h 17m

Shreveport

Wed 3/11

6:26 pm-11:59 pm

1 stop7h 33m

$289

OntarioNew Orleans

ONT - MSY

ONTMSY

Ontario

Tue 3/10

2:23 pm-5:24 am

1 stop13h 01m

New Orleans Louis Armstrong

Fri 3/13

11:34 am-6:14 pm

1 stop8h 40m

$300

OntarioBaton Rouge

ONT - BTR

ONTBTR

Ontario

Thu 3/5

1:15 pm-10:01 pm

1 stop6h 46m

Baton Rouge Ryan

Tue 3/10

1:36 pm-9:00 pm

1 stop9h 24m

$309

OntarioBaton Rouge

ONT - BTR

ONTBTR

Ontario

Mon 3/9

10:25 pm-9:45 am

1 stop9h 20m

Baton Rouge Ryan

Mon 3/16

1:36 pm-9:00 pm

1 stop9h 24m

$309

OntarioBaton Rouge

ONT - BTR

ONTBTR

Ontario

Sat 3/7

10:20 pm-8:45 am

1 stop8h 25m

Baton Rouge Ryan

Mon 3/9

1:36 pm-9:00 pm

1 stop9h 24m

$309

OntarioBaton Rouge

ONT - BTR

ONTBTR

Ontario

Fri 5/8

11:04 pm-9:35 am

1 stop8h 31m

Baton Rouge Ryan

Mon 5/11

3:48 pm-9:54 pm

1 stop8h 06m

$309

OntarioBaton Rouge

ONT - BTR

ONTBTR

Ontario

Sat 3/7

10:20 pm-8:45 am

1 stop8h 25m

Baton Rouge Ryan

Wed 3/11

1:36 pm-9:00 pm

1 stop9h 24m

$309

Flights are sorted by cheapest round-trip flights first.

Deals found on 2/2

Showing 1-10 of 57 results
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Best time to book a flight from Ontario to Louisiana

Have a flexible travel schedule? Discover the best time to fly to Louisiana from Ontario with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Ontario to Louisiana

What is the cheapest month to book a flight from Ontario to Louisiana?

Currently, August is the cheapest month in which you can book a flight from Ontario to Louisiana (average of $78). Flying from Ontario to Louisiana in February is currently the most expensive (average of $140). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

Reviews of airlines servicing Louisiana

Get insights into the airlines that provide service to Louisiana. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Louisiana. Reviews last updated February 3, 2026.
See what other customers who have flown with Southwest, Delta, and United Airlines from Ontario to Louisiana have to say. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.

Overall

8.0

Crew

8.6

Boarding

8.1

Entertainment

7.5

Food

7.0

Comfort

8.0

Reviews

1 / 20
10.0
Excellent

William Drew,Nov 2025

SJC - HNL

Flight crew was amazing! Usually they're very good on Southwest, but this crew went above and beyond. I have never ever seen so many rounds of drink service on a flight before.

Overall

8.0

Crew

8.6

Boarding

8.1

Entertainment

7.5

Food

7.0

Comfort

8.0

Reviews

1 / 20
10.0
Excellent

William Drew,Nov 2025

SJC - HNL

Flight crew was amazing! Usually they're very good on Southwest, but this crew went above and beyond. I have never ever seen so many rounds of drink service on a flight before.

Overall

8.0

Crew

8.6

Boarding

8.1

Entertainment

7.5

Food

7.0

Comfort

8.0

Reviews

1 / 20
10.0
Excellent

William Drew,Nov 2025

SJC - HNL

Flight crew was amazing! Usually they're very good on Southwest, but this crew went above and beyond. I have never ever seen so many rounds of drink service on a flight before.

Overall

8.0

Crew

8.6

Boarding

8.1

Entertainment

7.5

Food

7.0

Comfort

8.0

Reviews

1 / 20
10.0
Excellent

William Drew,Nov 2025

SJC - HNL

Flight crew was amazing! Usually they're very good on Southwest, but this crew went above and beyond. I have never ever seen so many rounds of drink service on a flight before.

Overall

8.0

Crew

8.6

Boarding

8.1

Entertainment

7.5

Food

7.0

Comfort

8.0

Reviews

1 / 20
10.0
Excellent

William Drew,Nov 2025

SJC - HNL

Flight crew was amazing! Usually they're very good on Southwest, but this crew went above and beyond. I have never ever seen so many rounds of drink service on a flight before.

Overall

8.0

Crew

8.6

Boarding

8.1

Entertainment

7.5

Food

7.0

Comfort

8.0

Reviews

1 / 20
10.0
Excellent

William Drew,Nov 2025

SJC - HNL

Flight crew was amazing! Usually they're very good on Southwest, but this crew went above and beyond. I have never ever seen so many rounds of drink service on a flight before.

Related info for your journey

Find useful and relevant information for your journey from Ontario to Louisiana. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
  • What airport do you fly from for flights from Ontario to Louisiana?

    For a flight from Ontario to Louisiana, you will be flying from Ontario. Ontario (ONT) is just 3.1 mi from the center of the city.

  • How long is the flight from Ontario to Louisiana?

    A quick flight from Ontario to Louisiana can take about 5h 17m. Delta provides one of the quickest options available for as low as $289. The distance between Ontario and Louisiana is about 1374 mi. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

  • What are the cheapest airlines to fly from Ontario to Louisiana one-way?

    For one-way options, check prices for Frontier. According to our data, you can fly for as low as $71. Users have also found prices from $99 and $118 on American Airlines and United Airlines, respectively.

  • What are the most popular routes from Ontario to Louisiana?

  • Can I find deals for flights from Ontario to Louisiana that include hotel bookings?

    Yes. In addition to deals on Ontario to Louisiana flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Ontario to Louisiana?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Ontario to Louisiana.

  • Can I find deals for business class flights from Ontario to Louisiana?

    Yes. Cheapflights offers flight deals from Ontario to Louisiana by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Ontario to Louisiana?

    Currently, August is the cheapest month in which you can book a flight from Ontario to Louisiana (average of $78). Flying from Ontario to Louisiana in February is currently the most expensive (average of $140). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

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Alternative routes for Ontario to Louisiana

See prices for flight routes from nearby airports that may be better suited for you.

Top 6 airlines flying from Ontario to Louisiana

Discover the top 6 airlines that operate flights from Ontario to Louisiana. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated February 3, 2026.
AirlineCheapestAverageFlexibilityOn-time
Spirit AirlinesCheapest$54Average$157FlexibilityNo cancel feeOn-time65%
FrontierCheapest$112Average$352FlexibilityNo cancel feeOn-time62%
DeltaCheapest$166Average$302FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$246Average$462FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$248Average$430FlexibilityNo cancel feeOn-time71%
SouthwestCheapest$299Average$429FlexibilityNo cancel feeOn-time63%

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