What is the cheapest airline that flies from Louisiana to Ontario?

Southwest, Delta, and United Airlines are the most popular carriers operating from Louisiana to Ontario

What airlines fly to Ontario?

Breeze Airways, Delta and American Airlines are the top three most popular airlines that fly to Ontario from Louisiana according to our data. Breeze Airways is the first choice among our users, with 36% of people opting to fly with this airline when traveling to Ontario. Keep in mind that there are 7 different airlines that fly to Ontario on a routine basis, so you have a few additional options to choose from.

How long does it take to fly to Ontario?

Average flight duration from Louisiana to Ontario depends on which airport you fly into and out of. Flying from New Orleans to Los Angeles is 4h 26m on average, while flying from Shreveport to Los Angeles is 5h 50m on average. Los Angeles is the most popular airport in Ontario.

When did momondo last update prices for flights from Louisiana to Ontario Airport?

Prices for flights from Louisiana to Ontario Airport refresh daily.

How many operators does momondo search for flights from Louisiana to Ontario Airport?

The number of operators available for flights from Louisiana to Ontario Airport is 4 as of November 2026.

How old do you have to be to fly from Louisiana to Ontario Airport?

Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Louisiana to Ontario Airport.

What documentation or ID do you need to fly to Ontario Airport?

The required travel and health documents for your Ontario Airport trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Ontario Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

$106 Cheap Flights from Louisiana to Ontario in 2026/27

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11:18 am - 7:44 amMSY New Orleans Louis Armstrong-ONT Ontario

22h 26m1 stop Dallas/Fort Worth

2:26 pm - 11:10 amONT Ontario-MSY New Orleans Louis Armstrong

42h 44m2 stops Las Vegas Harry Reid Intl Dallas/Fort Worth

$170Frontier

Mon, Dec 14 - Tue, Jan 5

10:48 pm - 2:48 pmMSY New Orleans Louis Armstrong-ONT Ontario

18h 00m1 stop Las Vegas Harry Reid Intl

12:26 pm - 7:38 pmONT Ontario-MSY New Orleans Louis Armstrong

5h 12m1 stop Las Vegas Harry Reid Intl

$218Frontier

Fri, Jan 8 - Mon, Jan 11

6:56 pm - 8:05 amMSY New Orleans Louis Armstrong-ONT Ontario

15h 09m1 stop Las Vegas Harry Reid Intl

10:48 pm - 5:00 amONT Ontario-MSY New Orleans Louis Armstrong

28h 12m1 stop Las Vegas Harry Reid Intl

$233Multiple Airlines

Wed, Dec 23 - Wed, Dec 30

8:00 pm - 7:07 amMSY New Orleans Louis Armstrong-ONT Ontario

13h 07m1 stop Las Vegas Harry Reid Intl

9:37 pm - 5:00 amONT Ontario-MSY New Orleans Louis Armstrong

29h 23m1 stop Las Vegas Harry Reid Intl

$263Multiple Airlines

Thu, Dec 17 - Mon, Dec 21

11:55 am - 10:30 pmSHV Shreveport-ONT Ontario

12h 35m2 stops Houston George Bush Intcntl San Francisco

6:00 am - 1:05 pmONT Ontario-SHV Shreveport

5h 05m1 stop Houston George Bush Intcntl

$374United Airlines

Tue, Mar 2 - Sat, Mar 6

2:27 pm - 6:44 pmSHV Shreveport-ONT Ontario

6h 17m1 stop Dallas/Fort Worth

2:22 pm - 10:50 pmONT Ontario-SHV Shreveport

6h 28m1 stop Dallas/Fort Worth

$379American Airlines

Tue, Dec 8 - Tue, Dec 15

6:40 am - 12:10 pmMSY New Orleans Louis Armstrong-ONT Ontario

7h 30m2 stops Houston Hobby Phoenix Sky Harbor Intl

7:50 am - 5:50 pmONT Ontario-MSY New Orleans Louis Armstrong

8h 00m1 stop Austin Bergstrom

$382Southwest

Thu, Dec 10 - Mon, Dec 14

11:55 am - 10:30 pmSHV Shreveport-ONT Ontario

12h 35m2 stops Houston George Bush Intcntl San Francisco

6:00 am - 1:05 pmONT Ontario-SHV Shreveport

5h 05m1 stop Houston George Bush Intcntl

$384United Airlines

Tue, Mar 2 - Sat, Mar 6

6:40 am - 12:10 pmMSY New Orleans Louis Armstrong-ONT Ontario

7h 30m2 stops Houston Hobby Phoenix Sky Harbor Intl

6:35 am - 5:05 pmONT Ontario-MSY New Orleans Louis Armstrong

8h 30m2 stops Oakland Los Angeles

$387Southwest

Thu, Dec 10 - Mon, Dec 14

7:36 pm - 11:48 pmBTR Baton Rouge Ryan-ONT Ontario

6h 12m1 stop Dallas/Fort Worth

6:00 am - 1:54 pmONT Ontario-BTR Baton Rouge Ryan

5h 54m1 stop Dallas/Fort Worth

$397American Airlines

Thu, Dec 3 - Wed, Dec 9

Cheap last minute flights

Enter your travel dates to find the best prices.

10:45 am - 10:42 amMSY New Orleans Louis Armstrong-ONT Ontario

25h 57m1 stop Denver Intl

6:30 am - 9:50 amONT Ontario-MSY New Orleans Louis Armstrong

25h 20m1 stop Denver Intl

$442Frontier

Thu, Nov 12 - Wed, Nov 18

10:45 am - 10:42 amMSY New Orleans Louis Armstrong-ONT Ontario

25h 57m1 stop Denver Intl

11:30 am - 1:23 pmONT Ontario-MSY New Orleans Louis Armstrong

23h 53m1 stop Denver Intl

$451Frontier

Thu, Nov 12 - Sun, Dec 13

10:45 am - 10:42 amMSY New Orleans Louis Armstrong-ONT Ontario

25h 57m1 stop Denver Intl

6:30 am - 9:50 amONT Ontario-MSY New Orleans Louis Armstrong

25h 20m1 stop Denver Intl

$462Frontier

Thu, Nov 12 - Wed, Nov 18

12:41 pm - 8:54 pmSHV Shreveport-ONT Ontario

10h 13m1 stop Atlanta Hartsfield-Jackson

12:18 pm - 9:24 pmONT Ontario-SHV Shreveport

7h 06m1 stop Atlanta Hartsfield-Jackson

$493Delta

Wed, Nov 11 - Sat, Nov 14

10:58 am - 6:34 pmSHV Shreveport-ONT Ontario

9h 36m1 stop Atlanta Hartsfield-Jackson

12:18 pm - 9:24 pmONT Ontario-SHV Shreveport

7h 06m1 stop Atlanta Hartsfield-Jackson

$529Delta

Thu, Nov 12 - Sat, Nov 14

8:00 am - 11:52 amBTR Baton Rouge Ryan-ONT Ontario

5h 52m1 stop Dallas/Fort Worth

2:22 pm - 10:55 pmONT Ontario-BTR Baton Rouge Ryan

6h 33m1 stop Dallas/Fort Worth

$542American Airlines

Sat, Nov 14 - Mon, Nov 16

6:00 am - 4:24 pmBTR Baton Rouge Ryan-ONT Ontario

12h 24m2 stops Atlanta Hartsfield-Jackson Salt Lake City

11:10 pm - 9:39 amONT Ontario-BTR Baton Rouge Ryan

8h 29m1 stop Atlanta Hartsfield-Jackson

$547Delta

Sat, Nov 14 - Mon, Nov 16

5:00 am - 12:33 pmBTR Baton Rouge Ryan-ONT Ontario

9h 33m2 stops Houston George Bush Intcntl Denver Intl

6:37 pm - 8:50 amONT Ontario-BTR Baton Rouge Ryan

12h 13m2 stops San Francisco Houston George Bush Intcntl

$553United Airlines

Sat, Nov 14 - Mon, Nov 16

4:03 pm - 9:40 pmSHV Shreveport-ONT Ontario

7h 37m1 stop Houston George Bush Intcntl

9:25 am - 9:01 pmONT Ontario-SHV Shreveport

9h 36m2 stops San Francisco Denver Intl

$618United Airlines

Wed, Nov 11 - Sat, Nov 14

5:39 am - 11:52 amMSY New Orleans Louis Armstrong-ONT Ontario

8h 13m1 stop Dallas/Fort Worth

9:50 am - 7:12 pmONT Ontario-MSY New Orleans Louis Armstrong

7h 22m2 stops Phoenix Sky Harbor Intl Dallas/Fort Worth

$976American Airlines

Thu, Nov 12 - Wed, Nov 18

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Frontier flights from Louisiana to Ontario

Our best Frontier deals on Louisiana to Ontario flight tickets

Frontier

Jan 8

MSY10:48 pmNew Orleans Louis Armstrong

18h 00m

1 stop

ONT2:48 pmOntario

Jan 11

ONT12:26 pmOntario

5h 12m

1 stop

MSY7:38 pmNew Orleans Louis Armstrong

$218

Frontier

Dec 7

MSY9:38 pmNew Orleans Louis Armstrong

16h 13m

1 stop

ONT11:51 amOntario

Dec 14

ONT8:44 amOntario

10h 09m

1 stop

MSY8:53 pmNew Orleans Louis Armstrong

$228

Frontier

Feb 5

MSY7:36 pmNew Orleans Louis Armstrong

13h 31m

1 stop

ONT7:07 amOntario

Feb 10

ONT8:02 amOntario

8h 49m

1 stop

MSY6:51 pmNew Orleans Louis Armstrong

$229

American Airlines flights from Louisiana to Ontario

Our best American Airlines deals on Louisiana to Ontario flight tickets

American Airlines

Dec 3

BTR7:36 pmBaton Rouge Ryan

6h 12m

1 stop

ONT11:48 pmOntario

Dec 9

ONT6:00 amOntario

5h 54m

1 stop

BTR1:54 pmBaton Rouge Ryan

$397

American Airlines

Jan 7

BTR7:07 amBaton Rouge Ryan

6h 48m

1 stop

ONT11:55 amOntario

Jan 11

ONT2:23 pmOntario

6h 34m

1 stop

BTR10:57 pmBaton Rouge Ryan

$404

American Airlines

Feb 17

BTR5:18 amBaton Rouge Ryan

6h 24m

1 stop

ONT9:42 amOntario

Feb 22

ONT11:59 pmOntario

8h 09m

1 stop

BTR10:08 amBaton Rouge Ryan

$428

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

New OrleansOntario

MSY New Orleans Louis Armstrong - ONT Ontario

MSYONT

New Orleans Louis Armstrong

Mon 12/14

11:18 am-7:44 am

1 stop22h 26m

Ontario

Tue 1/5

2:26 pm-11:10 am

2 stops42h 44m

$170

New OrleansOntario

MSY New Orleans Louis Armstrong - ONT Ontario

MSYONT

New Orleans Louis Armstrong

Fri 1/8

10:48 pm-2:48 pm

1 stop18h 00m

Ontario

Mon 1/11

12:26 pm-7:38 pm

1 stop5h 12m

$218

New OrleansOntario

MSY New Orleans Louis Armstrong - ONT Ontario

MSYONT

New Orleans Louis Armstrong

Wed 12/23

6:56 pm-8:05 am

1 stop15h 09m

Ontario

Wed 12/30

10:48 pm-5:00 am

1 stop28h 12m

$233

New OrleansOntario

MSY New Orleans Louis Armstrong - ONT Ontario

MSYONT

New Orleans Louis Armstrong

Thu 12/17

8:00 pm-7:07 am

1 stop13h 07m

Ontario

Mon 12/21

9:37 pm-5:00 am

1 stop29h 23m

$263

ShreveportOntario

SHV Shreveport - ONT Ontario

SHVONT

Shreveport

Tue 3/2

11:55 am-10:30 pm

2 stops12h 35m

Ontario

Sat 3/6

6:00 am-1:05 pm

1 stop5h 05m

$374

ShreveportOntario

SHV Shreveport - ONT Ontario

SHVONT

Shreveport

Tue 12/8

2:27 pm-6:44 pm

1 stop6h 17m

Ontario

Tue 12/15

2:22 pm-10:50 pm

1 stop6h 28m

$379

New OrleansOntario

MSY New Orleans Louis Armstrong - ONT Ontario

MSYONT

New Orleans Louis Armstrong

Thu 12/10

6:40 am-12:10 pm

2 stops7h 30m

Ontario

Mon 12/14

7:50 am-5:50 pm

1 stop8h 00m

$382

ShreveportOntario

SHV Shreveport - ONT Ontario

SHVONT

Shreveport

Tue 3/2

11:55 am-10:30 pm

2 stops12h 35m

Ontario

Sat 3/6

6:00 am-1:05 pm

1 stop5h 05m

$384

New OrleansOntario

MSY New Orleans Louis Armstrong - ONT Ontario

MSYONT

New Orleans Louis Armstrong

Thu 12/10

6:40 am-12:10 pm

2 stops7h 30m

Ontario

Mon 12/14

6:35 am-5:05 pm

2 stops8h 30m

$387

Quickest round-trip

Baton RougeOntario

BTR Baton Rouge Ryan - ONT Ontario

BTRONT

Baton Rouge Ryan

Thu 12/3

7:36 pm-11:48 pm

1 stop6h 12m

Ontario

Wed 12/9

6:00 am-1:54 pm

1 stop5h 54m

$397

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first

How to get the cheapest flight ticket from Louisiana to Ontario

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

Prices

Airlines

Other information

What is the cheapest month to fly to Ontario?

In general, August is the cheapest month to fly from Louisiana to Ontario. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $378. If you aren’t able to travel during the month of August, then book flights to Ontario from Louisiana during April instead. Flights to Ontario in April, while not as cheap as those in August, still average around $384.

Can stopping save me money on Louisiana to Ontario flights?

You could potentially save up to 12% on your flight if you consider stops on a Louisiana to Ontario flight.

Cheap Louisiana to Ontario flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Louisiana to Ontario

Best Price Found	$106
Fastest flight time	5h 49m
Direct flights	None

The best one-way flight to Ontario from Louisiana in the past 72 hours is $106. The best round-trip flight deal from Louisiana to Ontario found on momondo in the last 72 hours is $170.

The fastest flight from Louisiana to Ontario takes 5h 49m

There are no direct flights from Louisiana to Ontario. There are no popular flight routes from Louisiana to Ontario.

Search flight deals

Frequently asked questions about flying from Louisiana to Ontario

When did momondo last update prices for flights from Louisiana to Ontario Airport?
Prices for flights from Louisiana to Ontario Airport refresh daily.
How many operators does momondo search for flights from Louisiana to Ontario Airport?
The number of operators available for flights from Louisiana to Ontario Airport is 4 as of November 2026.
How old do you have to be to fly from Louisiana to Ontario Airport?
Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Louisiana to Ontario Airport.
What documentation or ID do you need to fly to Ontario Airport?
The required travel and health documents for your Ontario Airport trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Ontario Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

Best airlines flying from Louisiana to Ontario

Compare and see reviews for airlines that fly from Louisiana to Ontario with momondo

Airline	Rating	Free Cancellation	Price
Frontier	PriceFrom $180	Free Cancellation	Rating 5.5 2,506 reviews	Search Frontier flights
American Airlines	PriceFrom $261	Free Cancellation	Rating 7.0 12,228 reviews	Search American Airlines flights
United Airlines	PriceFrom $288	Free Cancellation	Rating 7.3 10,471 reviews	Search United Airlines flights
Southwest	PriceFrom $332	Free Cancellation	Rating 8.0 4,219 reviews	Search Southwest flights

Why use momondo?

Why should I use momondo to find a flight deal from Louisiana to Ontario?

We help find the flight that best suits your needs, momondo compares prices from hundreds of airlines and travel agents and helps you filter them to find the best flight from Louisiana to Ontario for you.

Can I find flights from Louisiana to Ontario with flexible booking policies on momondo?

Yes. momondo allows you to filter the results for Louisiana to Ontario flights to just show those with flexible booking policies.

How can momondo help me find flights from Louisiana to Ontario?

momondo provides multiple filters to help you find the best flight to Ontario from Louisiana. Filter by price, airline, airports, cabin, aircraft, payment method, number of stops and more.

I’m not ready to book a flight from Louisiana to Ontario right now. Can momondo alert me if prices change?

Yes. momondo can track prices for Louisiana to Ontario flights and alert you when they change. Perform a search to set up the price alert. All that is required is a valid email address.

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Cheap flights from Louisiana to Los Angeles from $106

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Louisiana to Los Angeles departing on 1/29. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.

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Frontier flights from Louisiana to Ontario

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How to get the cheapest flight ticket from Louisiana to Ontario

What is the cheapest month to fly to Ontario?

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What is the cheapest airline that flies from Louisiana to Ontario?

What airlines fly to Ontario?

How long does it take to fly to Ontario?

Cheap Louisiana to Ontario flight deals and tips

Best Price Found

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Frequently asked questions about flying from Louisiana to Ontario

Best airlines flying from Louisiana to Ontario

Compare and see reviews for airlines that fly from Louisiana to Ontario with momondo

Why use momondo?

An easier way to manage your Ontario trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.

Find better results for your trip to the United States

Airports servicing California

Fly your favorite airline to Los Angeles

Airlines are sorted and displayed according to clicks in the past 7 days on momondo

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List of cabin classes available on flights landing in Los Angeles. Availability may vary depending on flight origin and airline.

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