HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Louisiana

$65+ 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 2/21. Fares are subject to change and may not be available on all flights or dates of travel.
ONT — MSY
Nov 26 — Dec 31
Tue 11/26
Tue 12/3
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Ontario to Louisiana with Cheapflights

1. Tell us where you want to go
Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”
2. Select your favorite providers
We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.
3. Compare prices and book
Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

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 November 21, 2024.

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 November 21, 2024.

This FlightHub deal was found by Cheapflights users on 11/20. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/47:45 amONT - MSY
1 stop28h 31mFrontier
Thu 12/53:16 pmMSY - ONT
1 stop10h 28mFrontier
Deal found 11/20$170
This American Airlines deal was found by Cheapflights users on 11/20. 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.
Fri 12/62:54 pmONT - SHV
1 stop5h 16mAmerican Airlines
Tue 12/105:00 amSHV - ONT
1 stop6h 52mAmerican Airlines
Deal found 11/20$314
This United Airlines deal was found by Cheapflights users on 11/20. 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.
Fri 12/66:10 amONT - SHV
1 stop7h 25mUnited Airlines
Tue 12/102:15 pmSHV - ONT
2 stops11h 43mUnited Airlines
Deal found 11/20$323
This American Airlines deal was found by Cheapflights users on 11/20. 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.
Thu 12/512:53 pmONT - LFT
1 stop8h 02mAmerican Airlines
Mon 12/96:21 pmLFT - ONT
1 stop5h 52mAmerican Airlines
Deal found 11/20$338
This Delta deal was found by Cheapflights users on 11/20. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/1412:05 pmONT - MSY
1 stop6h 32mDelta
Wed 12/187:10 pmMSY - ONT
1 stop7h 04mDelta
Deal found 11/20$346
This United Airlines deal was found by Cheapflights users on 11/19. 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.
Wed 12/115:05 amONT - LFT
2 stops12h 40mUnited Airlines
Sat 12/1412:15 pmLFT - ONT
2 stops13h 43mUnited Airlines
Deal found 11/19$388
This Delta deal was found by Cheapflights users on 11/21. 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 12/255:30 amONT - BTR
2 stops12h 38mDelta
Sun 1/53:49 pmBTR - ONT
1 stop9h 52mDelta
Deal found 11/21$398
This Travelocity deal was found by Cheapflights users on 11/20. 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 Travelocity is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/236:03 pmONT - MSY
1 stop9h 40mMultiple Airlines
Fri 1/31:39 pmMSY - ONT
1 stop12h 20mMultiple Airlines
Deal found 11/20$403
This Southwest deal was found by Cheapflights users on 11/20. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/1911:25 amONT - MSY
2 stops6h 50mSouthwest
Mon 12/233:35 pmMSY - ONT
1 stop10h 35mSouthwest
Deal found 11/20$415
This American Airlines deal was found by Cheapflights users on 11/21. 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 12/2812:59 amONT - MSY
1 stop6h 35mAmerican Airlines
Wed 1/15:30 amMSY - ONT
1 stop6h 26mAmerican Airlines
Deal found 11/21$416
This United Airlines deal was found by Cheapflights users on 11/19. 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.
Thu 12/55:05 amONT - BTR
2 stops10h 31mUnited Airlines
Sun 12/85:10 pmBTR - ONT
1 stop6h 32mUnited Airlines
Deal found 11/19$433
This American Airlines deal was found by Cheapflights users on 11/20. 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.
Thu 12/1910:46 amONT - MLU
1 stop5h 05mAmerican Airlines
Fri 1/36:21 pmMLU - ONT
1 stop6h 07mAmerican Airlines
Deal found 11/20$438

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 2,629,791 searches. Data last updated November 21, 2024.

Fly from

Any airport

Fly to

Any airport

Route

Depart

Return

Price

OntarioNew Orleans

ONT - MSY

ONTMSY

Ontario

Thu 1/23

6:45 am-2:25 pm

1 stop5h 40m

New Orleans Louis Armstrong

Sat 1/25

3:25 pm-11:47 pm

1 stop10h 22m

$128

OntarioNew Orleans

ONT - MSY

ONTMSY

Ontario

Mon 1/27

6:00 am-4:46 pm

1 stop8h 46m

New Orleans Louis Armstrong

Thu 1/30

3:25 pm-11:47 pm

1 stop10h 22m

$245

OntarioBaton Rouge

ONT - BTR

ONTBTR

Ontario

Thu 3/6

1:31 am-9:48 am

1 stop6h 17m

Baton Rouge Ryan

Tue 3/11

7:59 pm-11:51 pm

1 stop5h 52m

$313

OntarioShreveport

ONT - SHV

ONTSHV

Ontario

Fri 12/6

2:54 pm-10:10 pm

1 stop5h 16m

Shreveport

Tue 12/10

5:00 am-9:52 am

1 stop6h 52m

$314

OntarioShreveport

ONT - SHV

ONTSHV

Ontario

Fri 12/6

6:10 am-3:35 pm

1 stop7h 25m

Shreveport

Tue 12/10

2:15 pm-11:58 pm

2 stops11h 43m

$323

OntarioLafayette

ONT - LFT

ONTLFT

Ontario

Thu 12/5

12:53 pm-10:55 pm

1 stop8h 02m

Lafayette Regional

Mon 12/9

6:21 pm-10:13 pm

1 stop5h 52m

$338

OntarioNew Orleans

ONT - MSY

ONTMSY

Ontario

Sat 12/14

12:05 pm-8:37 pm

1 stop6h 32m

New Orleans Louis Armstrong

Wed 12/18

7:10 pm-12:14 am

1 stop7h 04m

$346

OntarioNew Orleans

ONT - MSY

ONTMSY

Ontario

Wed 1/22

10:00 am-7:56 pm

2 stops7h 56m

New Orleans Louis Armstrong

Sat 1/25

6:00 am-9:56 am

1 stop5h 56m

$351

OntarioNew Orleans

ONT - MSY

ONTMSY

Ontario

Thu 1/16

6:00 am-4:46 pm

1 stop8h 46m

New Orleans Louis Armstrong

Sun 1/19

7:00 am-3:16 pm

1 stop10h 16m

$360

OntarioLafayette

ONT - LFT

ONTLFT

Ontario

Wed 1/15

6:00 am-3:33 pm

1 stop7h 33m

Lafayette Regional

Sat 1/18

4:08 pm-9:57 pm

1 stop7h 49m

$378

Flights are sorted by cheapest round-trip flights first.

Deals found on 11/21

Showing 1-10 of 27 results
1
2
3

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 November 21, 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 November 21, 2024.
Peruse reviews from past customers who have flown with Frontier, Delta and Alaska Airlines 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
5,015 reviews

Entertainment

7.7

Comfort

8.1

Food

7.2

Overall

8.1

Boarding

8.2

Crew

8.7

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
5,015 reviews
Southwest
8.1
Very good
5,015 reviews

Entertainment

7.7

Comfort

8.1

Food

7.2

Overall

8.1

Boarding

8.2

Crew

8.7

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
9,458 reviews
Southwest
8.1
Very good
5,015 reviews

Entertainment

7.7

Comfort

8.1

Food

7.2

Overall

8.1

Boarding

8.2

Crew

8.7

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
8,758 reviews
Southwest
8.1
Very good
5,015 reviews

Entertainment

7.7

Comfort

8.1

Food

7.2

Overall

8.1

Boarding

8.2

Crew

8.7

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
9,172 reviews
Southwest
8.1
Very good
5,015 reviews

Entertainment

7.7

Comfort

8.1

Food

7.2

Overall

8.1

Boarding

8.2

Crew

8.7

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
5,015 reviews

Entertainment

7.7

Comfort

8.1

Food

7.2

Overall

8.1

Boarding

8.2

Crew

8.7

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 $65. Users have also found prices from $173 and $180 on Delta and American 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

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Ontario to Louisiana

See prices for flight routes from nearby airports that may be better suited for you.
Los Angeles to John F Kennedy Intl flights
Los Angeles to Newark flights
San Francisco to John F Kennedy Intl flights
Los Angeles to Honolulu flights
Los Angeles to Dallas/Fort Worth flights
Los Angeles to LaGuardia flights
Los Angeles to Seattle flights
San Francisco to Los Angeles flights
San Francisco to Newark flights
Los Angeles to Miami flights
Los Angeles to Las Vegas flights
Los Angeles to O'Hare Intl flights
San Francisco to Las Vegas flights
Los Angeles to Orlando flights
Los Angeles to San Francisco flights
Los Angeles to Fort Lauderdale flights
Santa Ana to Newark flights
San Francisco to Honolulu flights
San Francisco to Seattle flights
Santa Ana to Las Vegas flights
San Francisco to LaGuardia flights
Ontario to Seattle flights
Los Angeles to Boston flights
Burbank to Las Vegas flights
Los Angeles to Hobby flights
San Francisco to Miami flights
Los Angeles to Dulles Intl flights
San Francisco to Dallas/Fort Worth flights
San Jose to Los Angeles flights
Oakland to Las Vegas flights
Los Angeles to San Jose flights
San Jose to Las Vegas flights
Los Angeles to Reagan-National flights
Ontario to San Francisco flights
San Diego to John F Kennedy Intl flights
Los Angeles to Oakland flights
Oakland to Los Angeles flights
Los Angeles to Sky Harbor Intl flights
Burbank to Newark flights
Los Angeles to Baltimore flights
Oakland to Santa Ana flights
Los Angeles to George Bush Intcntl flights
Los Angeles to Salt Lake City flights
Santa Ana to Oakland flights
Burbank to LaGuardia flights
San Francisco to Santa Ana flights
Santa Ana to LaGuardia flights
Los Angeles to Denver flights
San Francisco to O'Hare Intl flights
Los Angeles to Atlanta flights

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 2,629,791 searches. Data last updated November 21, 2024.
AirlineCheapestAverageFlexibilityOn-time
Spirit AirlinesCheapest$130Average$207FlexibilityNo cancel feeOn-time65%
FrontierCheapest$138Average$289FlexibilityNo cancel feeOn-time62%
DeltaCheapest$208Average$325FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$224Average$444FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$264Average$513FlexibilityNo cancel feeOn-time71%
SouthwestCheapest$356Average$467FlexibilityNo cancel feeOn-time63%
100% Free
Cheapflights is completely free to use, so you can start saving the moment you arrive.
Book with Flexibility
Our users can plan ahead with confidence and find flights with no change fees
Travel Smart
Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.
View all available airlines