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$75+ 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 2/13. Fares are subject to change and may not be available on all flights or dates of travel.
MSY — ONT
ene. 22 — ene. 291
mié. 1/22
mié. 1/29
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 enero 17, 2025.

Round-trip from

$130
(Flightnetwork)

One-way from

$75
(Frontier)
From Louisiana to Ontario
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One-way flight from Louisiana to Ontario
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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 enero 17, 2025.

This Flightnetwork deal was found by Cheapflights users on 1/15. 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 Flightnetwork is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 2/137:43 pmMSY - ONT
1 stop6h 26mFrontier
vie. 2/2112:59 amONT - MSY
1 stop15h 44mFrontier
Deal found 1/15$130
This Delta deal was found by Cheapflights users on 1/15. 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. 2/65:24 pmSHV - ONT
1 stop7h 28mDelta
lun. 2/101:00 pmONT - SHV
1 stop7h 29mDelta
Deal found 1/15$264
This United Airlines deal was found by Cheapflights users on 1/16. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sáb. 2/153:50 pmMSY - ONT
1 stop8h 09mUnited Airlines
sáb. 2/221:44 pmONT - MSY
1 stop5h 57mUnited Airlines
Deal found 1/16$273
This American Airlines deal was found by Cheapflights users on 1/15. 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. 2/66:07 amSHV - ONT
1 stop5h 49mAmerican Airlines
lun. 2/1012:48 pmONT - SHV
2 stops8h 26mAmerican Airlines
Deal found 1/15$274
This American Airlines deal was found by Cheapflights users on 1/16. 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.
sáb. 2/156:00 amMSY - ONT
2 stops11h 37mAmerican Airlines
sáb. 2/222:54 pmONT - MSY
1 stop6h 14mAmerican Airlines
Deal found 1/16$278
This United Airlines deal was found by Cheapflights users on 1/15. 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. 2/75:15 pmBTR - ONT
1 stop6h 42mUnited Airlines
dom. 2/96:00 amONT - BTR
1 stop5h 22mUnited Airlines
Deal found 1/15$289
This United Airlines deal was found by Cheapflights users on 1/15. 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.
sáb. 2/18:35 amSHV - ONT
1 stop6h 08mUnited Airlines
sáb. 2/86:00 amONT - SHV
1 stop5h 13mUnited Airlines
Deal found 1/15$289
This Alaska Airlines deal was found by Cheapflights users on 1/16. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 2/53:30 pmMSY - ONT
1 stop21h 08mAlaska Airlines
vie. 2/77:00 amONT - MSY
1 stop29h 25mAlaska Airlines
Deal found 1/16$302
This Delta deal was found by Cheapflights users on 1/16. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 2/66:30 amMSY - ONT
1 stop7h 20mDelta
mié. 2/126:00 amONT - MSY
1 stop5h 51mDelta
Deal found 1/16$307
This Delta deal was found by Cheapflights users on 1/15. 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. 1/306:00 amBTR - ONT
1 stop7h 50mDelta
jue. 2/61:00 pmONT - BTR
1 stop7h 23mDelta
Deal found 1/15$314
This United Airlines deal was found by Cheapflights users on 1/15. 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.
jue. 1/309:35 amLFT - ONT
2 stops10h 22mUnited Airlines
lun. 2/35:10 amONT - LFT
2 stops10h 43mUnited Airlines
Deal found 1/15$349
This American Airlines deal was found by Cheapflights users on 1/15. 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. 1/306:20 pmLFT - ONT
1 stop7h 38mAmerican Airlines
lun. 2/36:00 amONT - LFT
1 stop7h 40mAmerican Airlines
Deal found 1/15$474

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 2,558,603 searches. Data last updated enero 17, 2025.

Fly from

Any airport

Fly to

Any airport

Route

Depart

Return

Price

New OrleansOntario

MSY - ONT

MSYONT

New Orleans Louis Armstrong

jue. 2/13

7:43 pm-12:09 am

1 stop6h 26m

Ontario

vie. 2/21

12:59 am-6:43 pm

1 stop15h 44m

$130

ShreveportOntario

SHV - ONT

SHVONT

Shreveport

jue. 2/6

5:24 pm-10:52 pm

1 stop7h 28m

Ontario

lun. 2/10

1:00 pm-10:29 pm

1 stop7h 29m

$264

New OrleansOntario

MSY - ONT

MSYONT

New Orleans Louis Armstrong

sáb. 2/15

3:50 pm-9:59 pm

1 stop8h 09m

Ontario

sáb. 2/22

1:44 pm-9:41 pm

1 stop5h 57m

$273

ShreveportOntario

SHV - ONT

SHVONT

Shreveport

jue. 2/6

6:07 am-9:56 am

1 stop5h 49m

Ontario

lun. 2/10

12:48 pm-11:14 pm

2 stops8h 26m

$274

New OrleansOntario

MSY - ONT

MSYONT

New Orleans Louis Armstrong

sáb. 2/15

6:00 am-3:37 pm

2 stops11h 37m

Ontario

sáb. 2/22

2:54 pm-11:08 pm

1 stop6h 14m

$278

Baton RougeOntario

BTR - ONT

BTRONT

Baton Rouge Ryan

vie. 2/7

5:15 pm-9:57 pm

1 stop6h 42m

Ontario

dom. 2/9

6:00 am-1:22 pm

1 stop5h 22m

$289

ShreveportOntario

SHV - ONT

SHVONT

Shreveport

sáb. 2/1

8:35 am-12:43 pm

1 stop6h 08m

Ontario

sáb. 2/8

6:00 am-1:13 pm

1 stop5h 13m

$289

New OrleansOntario

MSY - ONT

MSYONT

New Orleans Louis Armstrong

mié. 2/5

3:30 pm-10:38 am

1 stop21h 08m

Ontario

vie. 2/7

7:00 am-2:25 pm

1 stop29h 25m

$302

New OrleansOntario

MSY - ONT

MSYONT

New Orleans Louis Armstrong

jue. 2/6

6:30 am-11:50 am

1 stop7h 20m

Ontario

mié. 2/12

6:00 am-1:51 pm

1 stop5h 51m

$307

Baton RougeOntario

BTR - ONT

BTRONT

Baton Rouge Ryan

jue. 1/30

6:00 am-11:50 am

1 stop7h 50m

Ontario

jue. 2/6

1:00 pm-10:23 pm

1 stop7h 23m

$314

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/16

Showing 1-10 of 25 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, August is the cheapest month in which you can book a flight from Louisiana to Ontario (average of $246). Flying from Louisiana to Ontario in March is currently the most expensive (average of $311). 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 enero 17, 2025.

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 enero 17, 2025.
Read reviews from past customers who have flown United Airlines, American Airlines and Delta 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
4,659 reviews

Food

7.2

Crew

8.7

Comfort

8.1

Entertainment

7.7

Boarding

8.2

Overall

8.1

Reviews

1 / 10

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

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

Food

7.2

Crew

8.7

Comfort

8.1

Entertainment

7.7

Boarding

8.2

Overall

8.1

Reviews

1 / 10

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

Alaska Airlines
8.0
Very good
9,681 reviews
Southwest
8.1
Very good
4,659 reviews

Food

7.2

Crew

8.7

Comfort

8.1

Entertainment

7.7

Boarding

8.2

Overall

8.1

Reviews

1 / 10

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

Delta
8.0
Very good
8,511 reviews
Southwest
8.1
Very good
4,659 reviews

Food

7.2

Crew

8.7

Comfort

8.1

Entertainment

7.7

Boarding

8.2

Overall

8.1

Reviews

1 / 10

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

United Airlines
7.4
Good
8,965 reviews
Southwest
8.1
Very good
4,659 reviews

Food

7.2

Crew

8.7

Comfort

8.1

Entertainment

7.7

Boarding

8.2

Overall

8.1

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
4,659 reviews

Food

7.2

Crew

8.7

Comfort

8.1

Entertainment

7.7

Boarding

8.2

Overall

8.1

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 $75. Users have also found prices from $142 and $166 on American Airlines 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, Shreveport - Ontario and Baton Rouge Ryan - 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, August is the cheapest month in which you can book a flight from Louisiana to Ontario (average of $246). Flying from Louisiana to Ontario in March is currently the most expensive (average of $311). 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 5 airlines flying from Louisiana to Ontario

Discover the top 5 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 2,558,603 searches. Data last updated enero 17, 2025.
AirlineCheapestAverageFlexibilityOn-time
Spirit AirlinesCheapest$120Average$192FlexibilityNo cancel feeOn-time65%
FrontierCheapest$195Average$259FlexibilityNo cancel feeOn-time62%
American AirlinesCheapest$214Average$439FlexibilityNo cancel feeOn-time71%
DeltaCheapest$282Average$377FlexibilityNo cancel feeOn-timeN/A
SouthwestCheapest$366Average$445FlexibilityNo cancel feeOn-time63%
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