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$54+ 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 2/1. Fares are subject to change and may not be available on all flights or dates of travel.
ONT — MSY
Dec 23 — Dec 301
Mon 12/23
Mon 12/30
1 adult, Economy
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Cheap flight deals from Ontario to Louisiana

Discover tips and strategies to find the most affordable flight options for your journey from Ontario (ONT) to Louisiana (USLA). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated December 18, 2024.

Round-trip from

$108
(Frontier)

One-way from

$54
(Frontier)
From Ontario to Louisiana
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One-way flight from Ontario to Louisiana
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Find 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 18, 2024.

This Delta deal was found by Cheapflights users on 12/17. 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.
Wed 12/2512:55 pmONT - MSY
1 stop8h 42mDelta
Wed 1/11:00 pmMSY - ONT
1 stop8h 41mDelta
Deal found 12/17$356
This Booking.com deal was found by Cheapflights users on 12/17. 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 12/2612:59 amONT - MSY
1 stop9h 50mFrontier
Sat 1/48:00 pmMSY - ONT
1 stop17h 42mFrontier
Deal found 12/17$377
This American Airlines deal was found by Cheapflights users on 12/17. 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.
Tue 12/246:05 amONT - MSY
1 stop6h 59mAmerican Airlines
Wed 12/255:30 amMSY - ONT
1 stop6h 26mAmerican Airlines
Deal found 12/17$397
This American Airlines deal was found by Cheapflights users on 12/17. 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.
Sat 12/2111:59 pmONT - SHV
1 stop7h 40mAmerican Airlines
Mon 12/236:00 amSHV - ONT
1 stop5h 56mAmerican Airlines
Deal found 12/17$434
This United Airlines deal was found by Cheapflights users on 12/17. 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 12/185:05 amONT - SHV
2 stops12h 25mUnited Airlines
Wed 12/258:39 amSHV - ONT
1 stop6h 01mUnited Airlines
Deal found 12/17$493
This American Airlines deal was found by Cheapflights users on 12/17. 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.
Thu 12/266:05 amONT - BTR
1 stop5h 43mAmerican Airlines
Wed 1/85:30 amBTR - ONT
1 stop6h 26mAmerican Airlines
Deal found 12/17$494
This United Airlines deal was found by Cheapflights users on 12/17. 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.
Tue 12/311:42 pmONT - MSY
1 stop5h 48mUnited Airlines
Mon 1/64:05 pmMSY - ONT
1 stop8h 24mUnited Airlines
Deal found 12/17$522
This American Airlines deal was found by Cheapflights users on 12/16. 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 12/2011:59 pmONT - LFT
1 stop8h 19mAmerican Airlines
Sun 12/224:20 pmLFT - ONT
1 stop8h 08mAmerican Airlines
Deal found 12/16$563
This United Airlines deal was found by Cheapflights users on 12/17. 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.
Thu 12/196:10 amONT - LFT
1 stop7h 21mUnited Airlines
Fri 12/274:13 pmLFT - ONT
1 stop8h 01mUnited Airlines
Deal found 12/17$574
This United Airlines deal was found by Cheapflights users on 12/18. 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.
Sun 12/225:05 amONT - BTR
2 stops12h 46mUnited Airlines
Mon 1/64:47 pmBTR - ONT
1 stop7h 42mUnited Airlines
Deal found 12/18$624
This Alaska Airlines deal was found by Cheapflights users on 12/17. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/308:32 pmONT - MSY
2 stops19h 04mAlaska Airlines
Mon 1/63:30 pmMSY - ONT
1 stop21h 19mAlaska Airlines
Deal found 12/17$693
This Southwest deal was found by Cheapflights users on 12/16. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/261:05 pmONT - MSY
1 stop7h 25mSouthwest
Mon 12/305:15 pmMSY - ONT
1 stop7h 45mSouthwest
Deal found 12/16$715

Find flights from Ontario to Louisiana within your budget

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 18, 2024.

Fly from

Any airport

Fly to

Any airport

Route

Depart

Return

Price

OntarioNew Orleans

ONT - MSY

ONTMSY

Ontario

Sat 2/1

6:45 am-2:25 pm

1 stop5h 40m

New Orleans Louis Armstrong

Thu 2/6

3:25 pm-11:47 pm

1 stop10h 22m

$108

OntarioNew Orleans

ONT - MSY

ONTMSY

Ontario

Sat 2/1

6:45 am-2:25 pm

1 stop5h 40m

New Orleans Louis Armstrong

Sat 2/8

7:00 am-5:04 pm

2 stops12h 04m

$235

OntarioShreveport

ONT - SHV

ONTSHV

Ontario

Fri 1/24

6:00 am-1:12 pm

1 stop5h 12m

Shreveport

Mon 1/27

4:10 pm-9:57 pm

1 stop7h 47m

$264

OntarioLafayette

ONT - LFT

ONTLFT

Ontario

Wed 1/15

3:04 pm-11:19 pm

1 stop6h 15m

Lafayette Regional

Tue 1/21

6:40 pm-10:45 pm

1 stop6h 05m

$288

OntarioBaton Rouge

ONT - BTR

ONTBTR

Ontario

Thu 1/9

11:59 pm-10:04 am

1 stop8h 05m

Baton Rouge Ryan

Sun 1/12

4:22 pm-10:16 pm

1 stop7h 54m

$288

OntarioNew Orleans

ONT - MSY

ONTMSY

Ontario

Mon 1/13

5:45 am-8:30 pm

1 stop12h 45m

New Orleans Louis Armstrong

Wed 1/15

7:20 am-5:45 pm

1 stop12h 25m

$330

OntarioNew Orleans

ONT - MSY

ONTMSY

Ontario

Sun 1/26

2:44 pm-10:43 pm

1 stop5h 59m

New Orleans Louis Armstrong

Wed 1/29

6:00 am-9:56 am

1 stop5h 56m

$331

OntarioNew Orleans

ONT - MSY

ONTMSY

Ontario

Sat 2/15

1:05 pm-11:29 pm

1 stop8h 24m

New Orleans Louis Armstrong

Thu 2/20

5:28 am-11:55 am

1 stop8h 27m

$332

OntarioNew Orleans

ONT - MSY

ONTMSY

Ontario

Sat 2/1

6:00 am-4:46 pm

1 stop8h 46m

New Orleans Louis Armstrong

Tue 2/4

7:00 am-8:13 pm

1 stop15h 13m

$347

OntarioLafayette

ONT - LFT

ONTLFT

Ontario

Tue 2/4

10:47 am-9:29 pm

2 stops8h 42m

Lafayette Regional

Fri 2/14

4:04 pm-9:59 pm

1 stop7h 55m

$383

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/17

Showing 1-10 of 29 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.

Travel insights for flights from Ontario to Louisiana

Get recent, data-driven insights about flights from Ontario to Louisiana including ideal travel times, pricing trends, and more.

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 $256). Flying from Ontario to Louisiana in April is currently the most expensive (average of $343). 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 18, 2024.

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Ontario to Louisiana as you normally would.

Rainfall in Louisiana by month

Plan your trip to Louisiana by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Louisiana ranges from 3.3 - 6.4 inches per month. June is typically the wettest month, when rainfall can reach 6.4 in. October is typically the driest time to visit Louisiana when rainfall is around 3.3 in.

Temperature in Louisiana by month

Plan your trip to Louisiana by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Louisiana, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 82.4 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 51.8 F).

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 18, 2024.
Peruse reviews from past customers who have flown with American Airlines, Frontier and Southwest from Ontario to Louisiana to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
Southwest
8.1
Very good
4,848 reviews

Boarding

8.2

Comfort

8.1

Entertainment

7.7

Crew

8.7

Overall

8.1

Food

7.2

Reviews

1 / 10

My original flight was delayed so they found this flight for me so I could arrive at a reasonable time

Southwest
8.1
Very good
4,848 reviews
Southwest
8.1
Very good
4,848 reviews

Boarding

8.2

Comfort

8.1

Entertainment

7.7

Crew

8.7

Overall

8.1

Food

7.2

Reviews

1 / 10

My original flight was delayed so they found this flight for me so I could arrive at a reasonable time

Alaska Airlines
8.0
Very good
9,554 reviews
Southwest
8.1
Very good
4,848 reviews

Boarding

8.2

Comfort

8.1

Entertainment

7.7

Crew

8.7

Overall

8.1

Food

7.2

Reviews

1 / 10

My original flight was delayed so they found this flight for me so I could arrive at a reasonable time

Delta
8.0
Very good
8,604 reviews
Southwest
8.1
Very good
4,848 reviews

Boarding

8.2

Comfort

8.1

Entertainment

7.7

Crew

8.7

Overall

8.1

Food

7.2

Reviews

1 / 10

My original flight was delayed so they found this flight for me so I could arrive at a reasonable time

United Airlines
7.4
Good
9,055 reviews
Southwest
8.1
Very good
4,848 reviews

Boarding

8.2

Comfort

8.1

Entertainment

7.7

Crew

8.7

Overall

8.1

Food

7.2

Reviews

1 / 10

My original flight was delayed so they found this flight for me so I could arrive at a reasonable time

American Airlines
7.2
Good
10,000 reviews
Southwest
8.1
Very good
4,848 reviews

Boarding

8.2

Comfort

8.1

Entertainment

7.7

Crew

8.7

Overall

8.1

Food

7.2

Reviews

1 / 10

My original flight was delayed so they found this flight for me so I could arrive at a reasonable time

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.

  • 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 $54. Users have also found prices from $166 and $178 on Alaska Airlines and Delta, respectively.

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

    Most travelers choose Ontario - New Orleans Louis Armstrong, Ontario - Baton Rouge Ryan or Ontario - Shreveport when deciding on the best route 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 $256). Flying from Ontario to Louisiana in April is currently the most expensive (average of $343). 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

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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 18, 2024.
AirlineCheapestAverageFlexibilityOn-time
Spirit AirlinesCheapest$130Average$208FlexibilityNo cancel feeOn-time65%
FrontierCheapest$138Average$322FlexibilityNo cancel feeOn-time62%
United AirlinesCheapest$224Average$454FlexibilityNo cancel feeOn-time69%
DeltaCheapest$236Average$325FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$264Average$512FlexibilityNo cancel feeOn-time71%
SouthwestCheapest$356Average$467FlexibilityNo cancel feeOn-time63%
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