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$80+ Cheap flights from Louisiana to Ontario (ONT)

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 12/5. Fares are subject to change and may not be available on all flights or dates of travel.
MSY — ONT
Nov 26 — Dec 31
Tue 11/26
Tue 12/3
1 adult, Economy
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Cheap flight deals from Louisiana to Ontario

Discover tips and strategies to find the most affordable flight options for your journey from Louisiana (USLA) to Ontario (ONT). 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 Louisiana to Ontario

Cheapest flights from Louisiana to Ontario
Explore the most affordable flight options available from Louisiana to Ontario. Find the lowest fares from popular airlines and budget airlines, with prices last updated on November 21, 2024.

This CheapOair 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/53:16 pmMSY - ONT
1 stop10h 28mFrontier
Fri 12/66:34 pmONT - MSY
1 stop17h 42mFrontier
Deal found 11/21$178
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.
Thu 12/121:25 pmLFT - ONT
1 stop7h 13mAmerican Airlines
Sun 12/152:54 pmONT - LFT
1 stop6h 01mAmerican Airlines
Deal found 11/21$313
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.
Wed 12/255:34 amBTR - ONT
2 stops8h 28mAmerican Airlines
Sat 12/2812:59 amONT - BTR
1 stop7h 05mAmerican Airlines
Deal found 11/21$318
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.
Thu 12/122:59 pmSHV - ONT
1 stop10h 03mDelta
Sun 12/1512:11 pmONT - SHV
1 stop6h 46mDelta
Deal found 11/21$319
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 12/145:23 amMSY - ONT
1 stop6h 29mAmerican Airlines
Tue 12/176:10 amONT - MSY
1 stop5h 23mAmerican Airlines
Deal found 11/21$347
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.
Thu 12/127:10 pmMSY - ONT
1 stop7h 08mDelta
Sat 12/1412:05 pmONT - MSY
1 stop9h 30mDelta
Deal found 11/21$353
This United 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 United is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/1212:20 pmSHV - ONT
2 stops13h 38mUnited Airlines
Sun 12/156:10 amONT - SHV
1 stop4h 59mUnited Airlines
Deal found 11/21$353
This United 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 United is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/124:10 pmLFT - ONT
2 stops9h 48mUnited Airlines
Sun 12/156:10 amONT - LFT
1 stop7h 25mUnited Airlines
Deal found 11/21$383
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 11/235:00 amSHV - ONT
1 stop6h 47mAmerican Airlines
Mon 12/211:59 pmONT - SHV
1 stop7h 43mAmerican Airlines
Deal found 11/21$404
This Southwest 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/275:40 amMSY - ONT
1 stop7h 25mSouthwest
Fri 1/32:45 pmONT - MSY
2 stops6h 40mSouthwest
Deal found 11/21$413
This United 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/174:00 pmMSY - ONT
1 stop6h 47mUnited Airlines
Tue 1/75:10 amONT - MSY
1 stop6h 42mUnited Airlines
Deal found 11/21$436
This Alaska 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/147:00 amMSY - ONT
1 stop16h 04mAlaska Airlines
Sun 1/1211:33 amONT - MSY
1 stop10h 16mAlaska Airlines
Deal found 11/21$441

Find flights from Louisiana to Ontario within your budget

Customize your flight search to find flights from Louisiana to Ontario 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 2,612,795 searches. Data last updated November 21, 2024.

Fly from

Any airport

Fly to

Any airport

Route

Depart

Return

Price

New OrleansOntario

MSY - ONT

MSYONT

New Orleans Louis Armstrong

Thu 12/5

3:16 pm-11:44 pm

1 stop10h 28m

Ontario

Fri 12/6

6:34 pm-2:16 pm

1 stop17h 42m

$178

ShreveportOntario

SHV - ONT

SHVONT

Shreveport

Wed 1/8

5:30 pm-10:52 pm

1 stop7h 22m

Ontario

Mon 1/13

1:00 pm-10:29 pm

1 stop7h 29m

$264

ShreveportOntario

SHV - ONT

SHVONT

Shreveport

Wed 1/8

6:07 am-11:58 am

2 stops7h 51m

Ontario

Mon 1/13

2:44 pm-10:54 pm

1 stop6h 10m

$273

LafayetteOntario

LFT - ONT

LFTONT

Lafayette Regional

Thu 12/12

1:25 pm-6:38 pm

1 stop7h 13m

Ontario

Sun 12/15

2:54 pm-10:55 pm

1 stop6h 01m

$313

Baton RougeOntario

BTR - ONT

BTRONT

Baton Rouge Ryan

Wed 12/25

5:34 am-12:02 pm

2 stops8h 28m

Ontario

Sat 12/28

12:59 am-10:04 am

1 stop7h 05m

$318

New OrleansOntario

MSY - ONT

MSYONT

New Orleans Louis Armstrong

Sat 12/14

5:23 am-9:52 am

1 stop6h 29m

Ontario

Tue 12/17

6:10 am-1:33 pm

1 stop5h 23m

$347

ShreveportOntario

SHV - ONT

SHVONT

Shreveport

Thu 12/12

12:20 pm-11:58 pm

2 stops13h 38m

Ontario

Sun 12/15

6:10 am-1:09 pm

1 stop4h 59m

$353

New OrleansOntario

MSY - ONT

MSYONT

New Orleans Louis Armstrong

Thu 12/12

7:10 pm-12:18 am

1 stop7h 08m

Ontario

Sat 12/14

12:05 pm-11:35 pm

1 stop9h 30m

$353

New OrleansOntario

MSY - ONT

MSYONT

New Orleans Louis Armstrong

Tue 1/7

3:30 pm-10:34 am

2 stops21h 04m

Ontario

Tue 1/14

6:00 am-4:46 pm

1 stop8h 46m

$359

LafayetteOntario

LFT - ONT

LFTONT

Lafayette Regional

Thu 12/12

4:10 pm-11:58 pm

2 stops9h 48m

Ontario

Sun 12/15

6:10 am-3:35 pm

1 stop7h 25m

$383

Flights are sorted by cheapest round-trip flights first.

Deals found on 11/21

Showing 1-10 of 28 results
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Best time to book a flight from Louisiana to Ontario

Have a flexible travel schedule? Discover the best time to fly to Ontario from Louisiana 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 Louisiana to Ontario

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

What is the cheapest month to book a flight from Louisiana to Ontario?

Currently, September is the cheapest month in which you can book a flight from Louisiana to Ontario (average of $236). Flying from Louisiana to Ontario in December is currently the most expensive (average of $298). 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 LA to ONT?

Find hourly flight availability from Louisiana to Ontario. 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.

When flying from Louisiana to Ontario, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

Rainfall in Ontario by month

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

In terms of precipitation, rainfall in Ontario ranges from 0.1 - 3.4 inches per month. February is typically the wettest month, when rainfall can reach 3.4 in. June is typically the driest time to visit Ontario when rainfall is around 0.1 in.

Temperature in Ontario by month

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

If weather is an important factor for your trip to Ontario, use this chart to help with planning. For those seeking warmer temperatures, August is the ideal time of year to visit, when temperatures reach an average of 78.8 F. Travelers looking to avoid the cold should look outside of December, when temperatures are typically at their lowest (around 53.6 F).

Reviews of airlines servicing Ontario

Get insights into the airlines that provide service to Ontario. 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 Ontario. Reviews last updated November 21, 2024.
Read reviews from past customers who have flown Delta, United Airlines and American Airlines from Louisiana to Ontario. 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
5,005 reviews

Food

7.2

Boarding

8.2

Entertainment

7.7

Overall

8.1

Comfort

8.1

Crew

8.7

Reviews

1 / 10

No issues. I needed pre boarding and I was able to get it without issue

Southwest
8.1
Very good
5,005 reviews
Southwest
8.1
Very good
5,005 reviews

Food

7.2

Boarding

8.2

Entertainment

7.7

Overall

8.1

Comfort

8.1

Crew

8.7

Reviews

1 / 10

No issues. I needed pre boarding and I was able to get it without issue

Alaska Airlines
8.0
Very good
9,464 reviews
Southwest
8.1
Very good
5,005 reviews

Food

7.2

Boarding

8.2

Entertainment

7.7

Overall

8.1

Comfort

8.1

Crew

8.7

Reviews

1 / 10

No issues. I needed pre boarding and I was able to get it without issue

Delta
8.0
Very good
8,755 reviews
Southwest
8.1
Very good
5,005 reviews

Food

7.2

Boarding

8.2

Entertainment

7.7

Overall

8.1

Comfort

8.1

Crew

8.7

Reviews

1 / 10

No issues. I needed pre boarding and I was able to get it without issue

United Airlines
7.4
Good
9,172 reviews
Southwest
8.1
Very good
5,005 reviews

Food

7.2

Boarding

8.2

Entertainment

7.7

Overall

8.1

Comfort

8.1

Crew

8.7

Reviews

1 / 10

No issues. I needed pre boarding and I was able to get it without issue

American Airlines
7.2
Good
10,000 reviews
Southwest
8.1
Very good
5,005 reviews

Food

7.2

Boarding

8.2

Entertainment

7.7

Overall

8.1

Comfort

8.1

Crew

8.7

Reviews

1 / 10

No issues. I needed pre boarding and I was able to get it without issue

Related info for your journey

Find useful and relevant information for your journey from Louisiana to Ontario. 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 into for flights to Ontario from Louisiana?

    Most people fly into Ontario (ONT) if they book a flight to Ontario from Louisiana. Ontario is conveniently located just 3.1 mi from Ontario’s city center.

  • What are the cheapest airlines to fly from Louisiana to Ontario one-way?

    For one-way options, check prices for Frontier. According to our data, you can fly for as low as $80. Users have also found prices from $178 and $186 on Delta and Alaska Airlines, respectively.

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

    The most popular flight routes from Louisiana to Ontario are New Orleans Louis Armstrong - Ontario, Baton Rouge Ryan - Ontario and Shreveport - Ontario.

  • Can I find deals for flights from Louisiana to Ontario that include hotel bookings?

    Yes. In addition to deals on Louisiana to Ontario flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Louisiana to Ontario?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Louisiana to Ontario.

  • Can I find deals for business class flights from Louisiana to Ontario?

    Yes. Cheapflights offers flight deals from Louisiana to Ontario 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 Louisiana to Ontario?

    Currently, September is the cheapest month in which you can book a flight from Louisiana to Ontario (average of $236). Flying from Louisiana to Ontario in December is currently the most expensive (average of $298). 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 Louisiana to Ontario

See prices for flight routes from nearby airports that may be better suited for you.
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Top 6 airlines flying from Louisiana to Ontario

Discover the top 6 airlines that operate flights from Louisiana to Ontario. 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 2,612,795 searches. Data last updated November 21, 2024.
AirlineCheapestAverageFlexibilityOn-time
Spirit AirlinesCheapest$120Average$192FlexibilityNo cancel feeOn-time65%
American AirlinesCheapest$214Average$479FlexibilityNo cancel feeOn-time71%
FrontierCheapest$220Average$259FlexibilityNo cancel feeOn-time62%
DeltaCheapest$282Average$377FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$283Average$410FlexibilityNo cancel feeOn-time69%
SouthwestCheapest$356Average$431FlexibilityNo cancel feeOn-time63%
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