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$60+ 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 4/7. Fares are subject to change and may not be available on all flights or dates of travel.
ONT — MSY
feb. 25 — mar. 41
mar. 2/25
mar. 3/4
1 adult, Economy
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Cheap flight deals from Ontario to Louisiana

Keep the following information in mind while searching for Ontario to Louisiana flight deals. Data was last updated febrero 20, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$264
(American Airlines)

One-way from

$60
(Trip.com)

Popular in

December

Cheapest in

September

Average price

$387
Provider with most accurate pricing for Los Angeles-New Orleans Louis Armstrong flight deals.
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From Ontario to Louisiana
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One-way flight from Ontario to Louisiana
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Highest demand for flights based on searches. 7% potential increase in price ($30 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease ($8 potential savings vs. average RT price).
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Average for round-trip flights in February 2025
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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 febrero 20, 2025.

This American Airlines deal was found by Cheapflights users on 2/19. 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.
vie. 6/2012:57 amONT - LFT
1 stop6h 37mAmerican Airlines
sáb. 7/126:26 pmLFT - ONT
1 stop5h 10mAmerican Airlines
Deal found 2/19$314
This Delta deal was found by Cheapflights users on 2/18. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 3/61:10 pmONT - SHV
1 stop7h 08mDelta
lun. 3/105:23 pmSHV - ONT
1 stop7h 20mDelta
Deal found 2/18$314
This Delta deal was found by Cheapflights users on 2/19. 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.
lun. 3/246:00 amONT - MSY
1 stop5h 55mDelta
jue. 3/275:30 amMSY - ONT
1 stop8h 06mDelta
Deal found 2/19$317
This Southwest deal was found by Cheapflights users on 2/19. 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.
jue. 5/812:05 pmONT - MSY
2 stops9h 30mSouthwest
lun. 5/124:05 pmMSY - ONT
1 stop5h 25mSouthwest
Deal found 2/19$318
This American Airlines deal was found by Cheapflights users on 2/19. 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.
vie. 3/2111:59 pmONT - MSY
1 stop6h 39mAmerican Airlines
mar. 3/255:45 pmMSY - ONT
1 stop6h 42mAmerican Airlines
Deal found 2/19$320
This Gotogate deal was found by Cheapflights users on 2/19. 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.
mié. 2/2612:59 amONT - MSY
1 stop15h 44mFrontier
vie. 3/78:20 pmMSY - ONT
1 stop29h 39mFrontier
Deal found 2/19$322
This American Airlines deal was found by Cheapflights users on 2/18. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 3/66:10 amONT - SHV
2 stops9h 27mAmerican Airlines
lun. 3/106:51 pmSHV - ONT
1 stop5h 36mAmerican Airlines
Deal found 2/18$324
This United Airlines deal was found by Cheapflights users on 2/19. 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.
mié. 8/275:45 amONT - MSY
2 stops10h 10mUnited Airlines
sáb. 8/302:40 pmMSY - ONT
1 stop7h 37mUnited Airlines
Deal found 2/19$338
This American Airlines deal was found by Cheapflights users on 2/20. 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.
jue. 3/132:54 pmONT - BTR
1 stop5h 53mAmerican Airlines
mié. 3/195:41 amBTR - ONT
1 stop6h 20mAmerican Airlines
Deal found 2/20$341
This United Airlines deal was found by Cheapflights users on 2/20. 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.
vie. 6/66:00 amONT - SHV
1 stop7h 30mUnited Airlines
vie. 6/135:58 pmSHV - ONT
1 stop5h 12mUnited Airlines
Deal found 2/20$345
This Hawaiian Airlines deal was found by Cheapflights users on 2/18. 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 Hawaiian Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
dom. 9/216:55 pmONT - MSY
1 stop8h 37mHawaiian Airlines
mié. 9/243:30 pmMSY - ONT
1 stop9h 07mHawaiian Airlines
Deal found 2/18$353
This United deal was found by Cheapflights users on 2/19. 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 is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sáb. 6/146:00 amONT - LFT
1 stop5h 21mUnited Airlines
sáb. 7/510:01 amLFT - ONT
2 stops9h 24mUnited Airlines
Deal found 2/19$385

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 febrero 20, 2025.

Fly from

Ontario

Fly to

Louisiana

Route

Depart

Return

Price

OntarioLafayette

ONT - LFT

ONTLFT

Ontario

vie. 6/20

12:57 am-9:34 am

1 stop6h 37m

Lafayette Regional

sáb. 7/12

6:26 pm-9:36 pm

1 stop5h 10m

$314

OntarioShreveport

ONT - SHV

ONTSHV

Ontario

jue. 3/6

1:10 pm-10:18 pm

1 stop7h 08m

Shreveport

lun. 3/10

5:23 pm-10:43 pm

1 stop7h 20m

$314

OntarioNew Orleans

ONT - MSY

ONTMSY

Ontario

lun. 3/24

6:00 am-1:55 pm

1 stop5h 55m

New Orleans Louis Armstrong

jue. 3/27

5:30 am-11:36 am

1 stop8h 06m

$317

OntarioNew Orleans

ONT - MSY

ONTMSY

Ontario

jue. 5/8

12:05 pm-11:35 pm

2 stops9h 30m

New Orleans Louis Armstrong

lun. 5/12

4:05 pm-7:30 pm

1 stop5h 25m

$318

OntarioNew Orleans

ONT - MSY

ONTMSY

Ontario

vie. 3/21

11:59 pm-8:38 am

1 stop6h 39m

New Orleans Louis Armstrong

mar. 3/25

5:45 pm-10:27 pm

1 stop6h 42m

$320

OntarioShreveport

ONT - SHV

ONTSHV

Ontario

jue. 3/6

6:10 am-5:37 pm

2 stops9h 27m

Shreveport

lun. 3/10

6:51 pm-10:27 pm

1 stop5h 36m

$324

OntarioNew Orleans

ONT - MSY

ONTMSY

Ontario

jue. 4/3

12:59 am-7:36 pm

1 stop16h 37m

New Orleans Louis Armstrong

dom. 4/6

7:47 pm-11:59 pm

1 stop6h 12m

$329

OntarioBaton Rouge

ONT - BTR

ONTBTR

Ontario

jue. 3/13

2:54 pm-10:47 pm

1 stop5h 53m

Baton Rouge Ryan

mié. 3/19

5:41 am-10:01 am

1 stop6h 20m

$341

OntarioShreveport

ONT - SHV

ONTSHV

Ontario

vie. 6/6

6:00 am-3:30 pm

1 stop7h 30m

Shreveport

vie. 6/13

5:58 pm-9:10 pm

1 stop5h 12m

$345

OntarioNew Orleans

ONT - MSY

ONTMSY

Ontario

mar. 3/11

6:00 am-1:11 pm

1 stop5h 11m

New Orleans Louis Armstrong

sáb. 3/15

3:43 pm-9:59 pm

1 stop8h 16m

$363

Flights are sorted by cheapest round-trip flights first.

Deals found on 2/19

Showing 1-10 of 34 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 febrero 20, 2025.

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 febrero 20, 2025.
Peruse reviews from past customers who have flown with Southwest, Alaska Airlines and Delta 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
4,411 reviews

Crew

8.7

Food

7.1

Comfort

8.1

Overall

8.1

Boarding

8.2

Entertainment

7.6

Reviews

1 / 20

10.0
Excellent

Arlene,May 2024

SAN - OAK

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
4,411 reviews
Southwest
8.1
Very good
4,411 reviews

Crew

8.7

Food

7.1

Comfort

8.1

Overall

8.1

Boarding

8.2

Entertainment

7.6

Reviews

1 / 20

10.0
Excellent

Arlene,May 2024

SAN - OAK

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
9,692 reviews
Southwest
8.1
Very good
4,411 reviews

Crew

8.7

Food

7.1

Comfort

8.1

Overall

8.1

Boarding

8.2

Entertainment

7.6

Reviews

1 / 20

10.0
Excellent

Arlene,May 2024

SAN - OAK

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
8,220 reviews
Southwest
8.1
Very good
4,411 reviews

Crew

8.7

Food

7.1

Comfort

8.1

Overall

8.1

Boarding

8.2

Entertainment

7.6

Reviews

1 / 20

10.0
Excellent

Arlene,May 2024

SAN - OAK

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

Hawaiian Airlines
7.9
Good
2,317 reviews
Southwest
8.1
Very good
4,411 reviews

Crew

8.7

Food

7.1

Comfort

8.1

Overall

8.1

Boarding

8.2

Entertainment

7.6

Reviews

1 / 20

10.0
Excellent

Arlene,May 2024

SAN - OAK

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

JetBlue
7.4
Good
3,070 reviews
Southwest
8.1
Very good
4,411 reviews

Crew

8.7

Food

7.1

Comfort

8.1

Overall

8.1

Boarding

8.2

Entertainment

7.6

Reviews

1 / 20

10.0
Excellent

Arlene,May 2024

SAN - OAK

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 $60. Users have also found prices from $167 and $182 on Delta and United Airlines, 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

See prices for flight routes from nearby airports that may be better suited for you.
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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 febrero 20, 2025.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$108Average$269FlexibilityNo cancel feeOn-time62%
Spirit AirlinesCheapest$117Average$206FlexibilityNo cancel feeOn-time65%
American AirlinesCheapest$227Average$512FlexibilityNo cancel feeOn-time71%
DeltaCheapest$236Average$337FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$283Average$450FlexibilityNo cancel feeOn-time69%
SouthwestCheapest$346Average$483FlexibilityNo cancel feeOn-time63%
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