Louisiana

$67+ 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 2/8. Fares are subject to change and may not be available on all flights or dates of travel.
ONT — MSY
Feb 7 — Feb 141
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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 January 8, 2026.

This Expedia deal was found by Cheapflights users on 1/7. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 1/226:20 amONT - MSY
1 stop10h 28mFrontier
Mon 1/267:38 pmMSY - ONT
1 stop6h 42mFrontier
Deal found 1/7$144
This Kiwi.com deal was found by Cheapflights users on 1/6. 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 2/187:30 amONT - MSY
1 stop14h 54mFrontier
Sat 2/213:13 pmMSY - ONT
1 stop18h 46mFrontier
Deal found 1/6$153
This Booking.com deal was found by Cheapflights users on 1/7. 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.
Tue 2/172:06 pmONT - MSY
1 stop23h 27mFrontier
Sat 2/215:45 amMSY - ONT
1 stop20h 14mFrontier
Deal found 1/7$157
This Trip.com deal was found by Cheapflights users on 1/6. 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.
Sun 2/152:08 pmONT - MSY
1 stop8h 16mFrontier
Fri 2/205:45 amMSY - ONT
1 stop20h 14mFrontier
Deal found 1/6$158
This Frontier deal was found by Cheapflights users on 1/7. 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.
Wed 2/113:22 pmONT - MSY
1 stop5h 27mFrontier
Sat 2/213:13 pmMSY - ONT
1 stop10h 46mFrontier
Deal found 1/7$164
This Booking.com deal was found by Cheapflights users on 1/6. 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 2/262:08 pmONT - MSY
1 stop26h 39mFrontier
Sat 2/282:34 pmMSY - ONT
1 stop19h 25mFrontier
Deal found 1/6$166
This Kiwi.com deal was found by Cheapflights users on 1/7. 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 2/286:00 amONT - MSY
1 stop29h 39mMultiple Airlines
Mon 3/98:29 pmMSY - ONT
1 stop21h 25mMultiple Airlines
Deal found 1/7$171
This Kiwi.com deal was found by Cheapflights users on 1/7. 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 2/187:30 amONT - MSY
1 stop14h 54mMultiple Airlines
Mon 2/238:29 pmMSY - ONT
1 stop19h 23mMultiple Airlines
Deal found 1/7$174
This Frontier deal was found by Cheapflights users on 1/7. 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 1/236:20 amONT - MSY
1 stop10h 33mFrontier
Mon 1/267:38 pmMSY - ONT
1 stop6h 42mFrontier
Deal found 1/7$177
This Frontier deal was found by Cheapflights users on 1/7. 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.
Sun 2/226:10 amONT - MSY
1 stop16h 14mFrontier
Sat 2/282:34 pmMSY - ONT
1 stop11h 25mFrontier
Deal found 1/7$178
This Booking.com deal was found by Cheapflights users on 1/7. 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 2/262:08 pmONT - MSY
1 stop26h 39mFrontier
Sun 3/16:17 pmMSY - ONT
1 stop7h 42mFrontier
Deal found 1/7$179
This American Airlines deal was found by Cheapflights users on 1/6. 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.
Fri 2/1311:58 pmONT - SHV
1 stop7h 45mAmerican Airlines
Tue 2/176:27 pmSHV - ONT
1 stop6h 22mAmerican Airlines
Deal found 1/6$289

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 January 8, 2026.

Most accurate provider

Mytrip
3 stars

Most trusted provider

Mytrip
3 stars

Round-trip from

$144
(Frontier)

One-way from

$67
(Trip.com)

Popular in

January

Cheapest in

September

Average price

$377
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. 10% potential increase in price ($35 potential increase over avg. RT price).
Cheapest flight prices on average. 2% potential price decrease ($7 potential savings vs. average RT price).
Average for round-trip flights in January 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 January 8, 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

Tue 2/24

6:00 am-1:43 pm

1 stop5h 43m

New Orleans Louis Armstrong

Tue 3/3

5:25 am-12:02 pm

1 stop8h 37m

$277

OntarioNew Orleans

ONT - MSY

ONTMSY

Ontario

Wed 2/4

1:00 pm-9:45 pm

2 stops6h 45m

New Orleans Louis Armstrong

Wed 2/11

6:35 am-12:15 pm

2 stops7h 40m

$282

OntarioShreveport

ONT - SHV

ONTSHV

Ontario

Fri 2/13

11:58 pm-9:43 am

1 stop7h 45m

Shreveport

Tue 2/17

6:27 pm-10:49 pm

1 stop6h 22m

$289

OntarioShreveport

ONT - SHV

ONTSHV

Ontario

Wed 3/4

11:58 pm-9:43 am

1 stop7h 45m

Shreveport

Wed 3/11

8:13 pm-11:59 pm

1 stop5h 46m

$289

OntarioNew Orleans

ONT - MSY

ONTMSY

Ontario

Thu 2/26

1:15 pm-9:57 pm

1 stop6h 42m

New Orleans Louis Armstrong

Wed 3/11

3:41 pm-9:04 pm

1 stop7h 23m

$294

OntarioLafayette

ONT - LFT

ONTLFT

Ontario

Tue 2/10

8:00 am-5:42 pm

1 stop7h 42m

Lafayette Regional

Tue 2/24

4:07 pm-10:00 pm

1 stop7h 53m

$309

OntarioBaton Rouge

ONT - BTR

ONTBTR

Ontario

Thu 1/29

12:41 pm-10:01 pm

1 stop7h 20m

Baton Rouge Ryan

Tue 2/3

1:37 pm-9:05 pm

1 stop9h 28m

$309

OntarioShreveport

ONT - SHV

ONTSHV

Ontario

Thu 2/19

11:58 pm-9:43 am

1 stop7h 45m

Shreveport

Sun 2/22

8:13 pm-11:59 pm

1 stop5h 46m

$309

OntarioNew Orleans

ONT - MSY

ONTMSY

Ontario

Tue 2/24

10:20 pm-8:50 am

1 stop8h 30m

New Orleans Louis Armstrong

Sat 2/28

5:25 am-12:02 pm

1 stop8h 37m

$322

OntarioNew Orleans

ONT - MSY

ONTMSY

Ontario

Thu 2/26

12:45 pm-9:25 pm

2 stops6h 40m

New Orleans Louis Armstrong

Tue 3/3

6:35 am-12:15 pm

2 stops7h 40m

$326

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/6

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 $138). 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 January 8, 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.

Crew

8.6

Entertainment

7.5

Boarding

8.1

Food

7.0

Overall

8.0

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.

Crew

8.6

Entertainment

7.5

Boarding

8.1

Food

7.0

Overall

8.0

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.

Crew

8.6

Entertainment

7.5

Boarding

8.1

Food

7.0

Overall

8.0

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.

Crew

8.6

Entertainment

7.5

Boarding

8.1

Food

7.0

Overall

8.0

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.

Crew

8.6

Entertainment

7.5

Boarding

8.1

Food

7.0

Overall

8.0

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.

Crew

8.6

Entertainment

7.5

Boarding

8.1

Food

7.0

Overall

8.0

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 43m. Delta provides one of the quickest options available for as low as $277. The distance between Ontario and Louisiana is about 1620 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 $138). 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 January 8, 2026.
AirlineCheapestAverageFlexibilityOn-time
Spirit AirlinesCheapest$100Average$157FlexibilityNo cancel feeOn-time65%
FrontierCheapest$140Average$332FlexibilityNo cancel feeOn-time62%
DeltaCheapest$177Average$334FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$246Average$473FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$248Average$429FlexibilityNo cancel feeOn-time71%
SouthwestCheapest$302Average$436FlexibilityNo cancel feeOn-time63%

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