HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Louisiana

$64+ 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 4/11. Fares are subject to change and may not be available on all flights or dates of travel.
ONT — MSY
Jan 26 — Feb 21
Sun 1/26
Sun 2/2
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 January 21, 2025.

Round-trip from

$134
(Mytrip)

One-way from

$64
(Mytrip)
From Ontario to Louisiana
Search Deals
One-way flight from Ontario to Louisiana
Search Deals

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 January 21, 2025.

This Mytrip deal was found by Cheapflights users on 1/20. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 5/512:16 pmONT - MSY
1 stop28h 34mFrontier
Thu 5/87:50 pmMSY - ONT
1 stop6h 09mFrontier
Deal found 1/20$134
This Orbitz deal was found by Cheapflights users on 1/20. 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 Orbitz is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/26:24 pmONT - MSY
1 stop9h 31mMultiple Airlines
Tue 5/67:50 pmMSY - ONT
1 stop6h 10mMultiple Airlines
Deal found 1/20$246
This Delta deal was found by Cheapflights users on 1/19. 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.
Fri 2/141:05 pmONT - SHV
1 stop7h 13mDelta
Mon 2/175:28 pmSHV - ONT
1 stop7h 24mDelta
Deal found 1/19$264
This American Airlines deal was found by Cheapflights users on 1/19. 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.
Sat 2/1510:05 amONT - SHV
2 stops8h 13mAmerican Airlines
Sat 2/227:30 amSHV - ONT
1 stop8h 28mAmerican Airlines
Deal found 1/19$269
This Alaska Airlines deal was found by Cheapflights users on 1/20. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 2/511:33 amONT - MSY
1 stop10h 16mAlaska Airlines
Wed 2/125:46 pmMSY - ONT
1 stop8h 12mAlaska Airlines
Deal found 1/20$273
This Delta deal was found by Cheapflights users on 1/20. 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 2/87:05 amONT - MSY
1 stop8h 41mDelta
Wed 2/125:28 amMSY - ONT
1 stop8h 22mDelta
Deal found 1/20$277
This United Airlines deal was found by Cheapflights users on 1/20. 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.
Wed 4/166:05 amONT - MSY
1 stop8h 18mUnited Airlines
Wed 4/305:00 amMSY - ONT
2 stops9h 38mUnited Airlines
Deal found 1/20$278
This Delta deal was found by Cheapflights users on 1/19. 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.
Tue 4/2212:39 pmONT - BTR
1 stop7h 22mDelta
Tue 4/296:00 amBTR - ONT
1 stop7h 24mDelta
Deal found 1/19$289
This American Airlines deal was found by Cheapflights users on 1/20. 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.
Mon 2/106:10 amONT - MSY
1 stop5h 26mAmerican Airlines
Wed 2/196:09 pmMSY - ONT
1 stop5h 55mAmerican Airlines
Deal found 1/20$303
This American Airlines deal was found by Cheapflights users on 1/19. 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.
Tue 2/256:05 amONT - LFT
1 stop7h 31mAmerican Airlines
Sat 3/16:32 pmLFT - ONT
1 stop5h 44mAmerican Airlines
Deal found 1/19$314
This American Airlines deal was found by Cheapflights users on 1/20. 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.
Wed 2/1212:48 pmONT - BTR
2 stops8h 17mAmerican Airlines
Sun 2/1610:01 amBTR - ONT
1 stop5h 59mAmerican Airlines
Deal found 1/20$324
This Delta deal was found by Cheapflights users on 1/20. 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.
Fri 2/71:00 pmONT - LFT
1 stop7h 19mDelta
Mon 2/106:05 amLFT - ONT
1 stop7h 45mDelta
Deal found 1/20$369

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 January 21, 2025.

Fly from

Any airport

Fly to

Any airport

Route

Depart

Return

Price

OntarioNew Orleans

ONT - MSY

ONTMSY

Ontario

Mon 5/5

12:16 pm-6:50 pm

1 stop28h 34m

New Orleans Louis Armstrong

Thu 5/8

7:50 pm-11:59 pm

1 stop6h 09m

$134

OntarioNew Orleans

ONT - MSY

ONTMSY

Ontario

Fri 5/2

6:24 pm-5:55 am

1 stop9h 31m

New Orleans Louis Armstrong

Tue 5/6

7:50 pm-12:00 am

1 stop6h 10m

$246

OntarioShreveport

ONT - SHV

ONTSHV

Ontario

Fri 2/14

1:05 pm-10:18 pm

1 stop7h 13m

Shreveport

Mon 2/17

5:28 pm-10:52 pm

1 stop7h 24m

$264

OntarioShreveport

ONT - SHV

ONTSHV

Ontario

Sat 2/15

10:05 am-8:18 pm

2 stops8h 13m

Shreveport

Sat 2/22

7:30 am-1:58 pm

1 stop8h 28m

$269

OntarioNew Orleans

ONT - MSY

ONTMSY

Ontario

Wed 2/5

11:33 am-11:49 pm

1 stop10h 16m

New Orleans Louis Armstrong

Wed 2/12

5:46 pm-11:58 pm

1 stop8h 12m

$273

OntarioNew Orleans

ONT - MSY

ONTMSY

Ontario

Sat 2/8

7:05 am-5:46 pm

1 stop8h 41m

New Orleans Louis Armstrong

Wed 2/12

5:28 am-11:50 am

1 stop8h 22m

$277

OntarioNew Orleans

ONT - MSY

ONTMSY

Ontario

Wed 4/16

6:05 am-4:23 pm

1 stop8h 18m

New Orleans Louis Armstrong

Wed 4/30

5:00 am-12:38 pm

2 stops9h 38m

$278

OntarioBaton Rouge

ONT - BTR

ONTBTR

Ontario

Tue 4/22

12:39 pm-10:01 pm

1 stop7h 22m

Baton Rouge Ryan

Tue 4/29

6:00 am-11:24 am

1 stop7h 24m

$289

OntarioNew Orleans

ONT - MSY

ONTMSY

Ontario

Mon 2/10

6:10 am-1:36 pm

1 stop5h 26m

New Orleans Louis Armstrong

Wed 2/19

6:09 pm-10:04 pm

1 stop5h 55m

$303

OntarioBaton Rouge

ONT - BTR

ONTBTR

Ontario

Wed 2/12

12:48 pm-11:05 pm

2 stops8h 17m

Baton Rouge Ryan

Sun 2/16

10:01 am-2:00 pm

1 stop5h 59m

$324

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/20

Showing 1-10 of 29 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 January 21, 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 January 21, 2025.
Peruse reviews from past customers who have flown with Frontier, 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
4,659 reviews

Boarding

8.2

Comfort

8.1

Entertainment

7.7

Food

7.2

Overall

8.1

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
4,659 reviews
Southwest
8.1
Very good
4,659 reviews

Boarding

8.2

Comfort

8.1

Entertainment

7.7

Food

7.2

Overall

8.1

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
9,696 reviews
Southwest
8.1
Very good
4,659 reviews

Boarding

8.2

Comfort

8.1

Entertainment

7.7

Food

7.2

Overall

8.1

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
8,521 reviews
Southwest
8.1
Very good
4,659 reviews

Boarding

8.2

Comfort

8.1

Entertainment

7.7

Food

7.2

Overall

8.1

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
8,982 reviews
Southwest
8.1
Very good
4,659 reviews

Boarding

8.2

Comfort

8.1

Entertainment

7.7

Food

7.2

Overall

8.1

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
4,659 reviews

Boarding

8.2

Comfort

8.1

Entertainment

7.7

Food

7.2

Overall

8.1

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 $64. Users have also found prices from $136 and $137 on Alaska Airlines 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
Los Angeles to Dallas/Fort Worth flights
San Francisco to John F Kennedy Intl flights
San Francisco to Las Vegas flights
Los Angeles to Seattle flights
Los Angeles to Honolulu flights
Los Angeles to Miami flights
Los Angeles to Las Vegas flights
Los Angeles to Orlando flights
Los Angeles to Salt Lake City flights
San Francisco to Newark flights
Los Angeles to LaGuardia flights
Santa Ana to Las Vegas flights
Los Angeles to Fort Lauderdale flights
Oakland to Las Vegas flights
San Francisco to Seattle flights
Burbank to Las Vegas flights
Los Angeles to O'Hare Intl flights
San Jose to Las Vegas flights
Los Angeles to Boston flights
San Francisco to Honolulu flights
Los Angeles to Hobby flights
Los Angeles to San Francisco flights
San Francisco to Los Angeles flights
Los Angeles to Portland flights
San Francisco to Dallas/Fort Worth flights
Los Angeles to Reagan-National flights
San Francisco to Miami flights
Los Angeles to New Orleans flights
Los Angeles to Baltimore flights
San Francisco to LaGuardia flights
Los Angeles to Denver flights
Los Angeles to George Bush Intcntl flights
Ontario to Dallas/Fort Worth flights
Ontario to Seattle flights
San Francisco to Sky Harbor Intl flights
Los Angeles to Sky Harbor Intl flights
San Francisco to Kahului flights
San Francisco to Orlando flights
San Francisco to Boston flights
San Diego to Seattle flights
San Francisco to O'Hare Intl flights
Los Angeles to Dulles Intl flights
San Jose to Los Angeles flights
Los Angeles to Oakland flights
Los Angeles to Nashville flights
San Francisco to New Orleans flights
San Francisco to Denver flights
San Diego to John F Kennedy Intl 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 2,558,603 searches. Data last updated January 21, 2025.
AirlineCheapestAverageFlexibilityOn-time
Spirit AirlinesCheapest$128Average$205FlexibilityNo cancel feeOn-time65%
FrontierCheapest$138Average$302FlexibilityNo cancel feeOn-time62%
DeltaCheapest$236Average$337FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$264Average$512FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$283Average$447FlexibilityNo cancel feeOn-time69%
SouthwestCheapest$356Average$475FlexibilityNo 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.