Louisiana

$70+ 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 1/29. Fares are subject to change and may not be available on all flights or dates of travel.
ONT — MSY
Jan 3 — Jan 101
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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 December 4, 2025.

This Mytrip deal was found by Cheapflights users on 12/2. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/1112:04 pmONT - MSY
1 stop22h 20mFrontier
Sun 12/141:19 pmMSY - ONT
1 stop27h 06mFrontier
Deal found 12/2$241
This Frontier deal was found by Cheapflights users on 12/3. 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.
Thu 12/186:45 amONT - MSY
1 stop5h 59mFrontier
Thu 12/253:39 pmMSY - ONT
1 stop10h 20mFrontier
Deal found 12/3$258
This Frontier deal was found by Cheapflights users on 12/1. 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.
Thu 12/256:45 amONT - MSY
1 stop5h 59mFrontier
Thu 1/13:39 pmMSY - ONT
1 stop10h 20mFrontier
Deal found 12/1$282
This Booking.com deal was found by Cheapflights users on 12/2. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/186:45 amONT - MSY
1 stop5h 59mFrontier
Sun 12/213:29 pmMSY - ONT
1 stop10h 30mFrontier
Deal found 12/2$291
This Gotogate deal was found by Cheapflights users on 12/2. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/74:01 pmONT - MSY
1 stop18h 57mFrontier
Thu 12/111:19 pmMSY - ONT
1 stop27h 06mFrontier
Deal found 12/2$297
This Frontier deal was found by Cheapflights users on 12/1. 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.
Thu 12/256:45 amONT - MSY
1 stop5h 59mFrontier
Fri 1/23:29 pmMSY - ONT
1 stop10h 30mFrontier
Deal found 12/1$307
This Delta deal was found by Cheapflights users on 12/1. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/2511:15 amONT - MSY
1 stop7h 07mDelta
Wed 12/311:02 pmMSY - ONT
1 stop8h 48mDelta
Deal found 12/1$308
This Kiwi.com deal was found by Cheapflights users on 12/2. 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.
Wed 12/176:15 amONT - SHV
1 stop26h 38mMultiple Airlines
Sun 12/2111:43 amSHV - ONT
1 stop11h 44mMultiple Airlines
Deal found 12/2$325
This Frontier deal was found by Cheapflights users on 12/1. 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.
Fri 12/266:45 amONT - MSY
1 stop5h 59mFrontier
Thu 1/13:39 pmMSY - ONT
1 stop10h 20mFrontier
Deal found 12/1$332
This Frontier deal was found by Cheapflights users on 12/1. 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.
Thu 12/256:45 amONT - MSY
1 stop5h 59mFrontier
Tue 12/303:23 pmMSY - ONT
1 stop10h 36mFrontier
Deal found 12/1$337
This United Airlines deal was found by Cheapflights users on 12/1. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/241:40 pmONT - MSY
1 stop5h 44mUnited Airlines
Wed 12/313:42 pmMSY - ONT
1 stop8h 10mUnited Airlines
Deal found 12/1$339
This Delta deal was found by Cheapflights users on 12/2. 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.
Tue 12/1610:25 pmONT - SHV
1 stop9h 47mDelta
Thu 12/2512:00 pmSHV - ONT
1 stop9h 50mDelta
Deal found 12/2$369

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 December 4, 2025.

Most accurate provider

CheapOair
3 stars

Most trusted provider

CheapOair
3 stars

Round-trip from

$148
(Frontier)

One-way from

$70
(Trip.com)

Popular in

December

Cheapest in

September

Average price

$379
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. 9% potential increase in price ($33 potential increase over avg. RT price).
Cheapest flight prices on average. 1% potential price decrease ($6 potential savings vs. average RT price).
Average for round-trip flights in December 2025

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 December 4, 2025.
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

OntarioShreveport

ONT - SHV

ONTSHV

Ontario

Wed 1/7

12:41 pm-10:19 pm

1 stop7h 38m

Shreveport

Sat 1/10

6:00 am-11:31 am

1 stop7h 31m

$257

OntarioAlexandria

ONT - AEX

ONTAEX

Ontario

Tue 1/20

12:41 pm-9:42 pm

1 stop7h 01m

Alexandria

Sat 1/24

6:12 am-11:31 am

1 stop7h 19m

$278

OntarioAlexandria

ONT - AEX

ONTAEX

Ontario

Thu 1/8

3:09 pm-10:59 pm

1 stop5h 50m

Alexandria

Wed 1/14

6:06 am-10:08 am

1 stop6h 02m

$279

OntarioNew Orleans

ONT - MSY

ONTMSY

Ontario

Thu 1/8

10:30 pm-8:47 am

1 stop8h 17m

New Orleans Louis Armstrong

Mon 1/12

1:47 pm-10:51 pm

2 stops11h 04m

$282

OntarioLafayette

ONT - LFT

ONTLFT

Ontario

Wed 1/14

12:41 pm-10:13 pm

1 stop7h 32m

Lafayette Regional

Sat 1/17

6:08 am-11:31 am

1 stop7h 23m

$289

OntarioNew Orleans

ONT - MSY

ONTMSY

Ontario

Fri 1/9

10:30 pm-10:14 am

1 stop9h 44m

New Orleans Louis Armstrong

Mon 1/12

6:00 am-11:31 am

1 stop7h 31m

$299

OntarioNew Orleans

ONT - MSY

ONTMSY

Ontario

Wed 1/7

8:00 am-4:37 pm

1 stop6h 37m

New Orleans Louis Armstrong

Mon 1/12

4:00 pm-8:58 pm

1 stop6h 58m

$319

OntarioNew Orleans

ONT - MSY

ONTMSY

Ontario

Thu 1/8

1:24 pm-10:58 pm

2 stops7h 34m

New Orleans Louis Armstrong

Mon 1/12

5:35 pm-9:58 pm

1 stop6h 23m

$324

OntarioNew Orleans

ONT - MSY

ONTMSY

Ontario

Thu 1/8

6:39 pm-8:56 am

2 stops12h 17m

New Orleans Louis Armstrong

Sat 1/10

11:50 am-8:58 pm

2 stops11h 08m

$329

OntarioNew Orleans

ONT - MSY

ONTMSY

Ontario

Wed 1/7

1:24 pm-10:58 pm

2 stops7h 34m

New Orleans Louis Armstrong

Tue 1/13

5:00 am-12:47 pm

2 stops9h 47m

$329

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/2

Showing 1-10 of 60 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 January is currently the most expensive (average of $145). 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.

What is the cheapest time of day to fly from ONT to LA?

Find hourly flight availability from Ontario to Louisiana. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated December 4, 2025.

One of the essential ways to save on airfare from Ontario to Louisiana is to remain as flexible as possible. Flights that are at noon tend to be the most expensive. A flight in the afternoon could potentially save you up to 19% on airfare.

What is the cheapest day to fly from Ontario to Louisiana?

Use this chart to determine the cheapest time to fly round-trip from Ontario to Louisiana. Price data was last updated on December 16, 2024.

Travelers seeking maximum savings on their Ontario to Louisiana flight should consider departing on Wednesday afternoons when fares are most often at their lowest. Saturday afternoons flights should be avoided if possible as fares are typically the most expensive at this time.

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 December 4, 2025.
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.

Food

7.0

Comfort

8.0

Entertainment

7.5

Overall

8.0

Boarding

8.1

Crew

8.6

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.

Food

7.0

Comfort

8.0

Entertainment

7.5

Overall

8.0

Boarding

8.1

Crew

8.6

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.

Food

7.0

Comfort

8.0

Entertainment

7.5

Overall

8.0

Boarding

8.1

Crew

8.6

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.

Food

7.0

Comfort

8.0

Entertainment

7.5

Overall

8.0

Boarding

8.1

Crew

8.6

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.

Food

7.0

Comfort

8.0

Entertainment

7.5

Overall

8.0

Boarding

8.1

Crew

8.6

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.

Food

7.0

Comfort

8.0

Entertainment

7.5

Overall

8.0

Boarding

8.1

Crew

8.6

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 50m. Delta provides one of the quickest options available for as low as $279. The distance between Ontario and Louisiana is about 1464 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 January is currently the most expensive (average of $145). 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 December 4, 2025.
AirlineCheapestAverageFlexibilityOn-time
Spirit AirlinesCheapest$100Average$157FlexibilityNo cancel feeOn-time65%
FrontierCheapest$140Average$277FlexibilityNo cancel feeOn-time62%
DeltaCheapest$177Average$365FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$246Average$477FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$248Average$414FlexibilityNo cancel feeOn-time71%
SouthwestCheapest$302Average$439FlexibilityNo cancel feeOn-time63%

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