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

Frontier, American Airlines, 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 33% 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 25m on average, while flying from Baton Rouge to Los Angeles is 5h 42m 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 September 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.

$114 Cheap Flights from Louisiana to Ontario in 2026/27

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from Louisiana to Los Angeles

Round-trip

One-way

Last minute

Cheap round-trip flights

Enter your travel dates to find the best prices.

10:37 am - 11:50 pmMSY New Orleans Louis Armstrong-ONT Ontario

15h 13m1 stop Denver Intl

6:15 am - 9:42 amONT Ontario-MSY New Orleans Louis Armstrong

25h 27m1 stop Denver Intl

$258Frontier

Thu, Oct 15 - Sat, Oct 17

2:18 pm - 12:20 amMSY New Orleans Louis Armstrong-ONT Ontario

12h 02m1 stop Denver Intl

6:00 am - 8:41 amONT Ontario-MSY New Orleans Louis Armstrong

24h 41m2 stops Denver Intl Atlanta Hartsfield-Jackson

$272Frontier

Thu, Dec 10 - Tue, Dec 15

5:25 pm - 11:51 pmMSY New Orleans Louis Armstrong-ONT Ontario

32h 26m2 stops Dallas/Fort Worth Denver Intl

2:23 pm - 5:00 amONT Ontario-MSY New Orleans Louis Armstrong

12h 37m1 stop Las Vegas Harry Reid Intl

$274Multiple Airlines

Mon, Oct 26 - Mon, Nov 2

10:37 am - 10:29 amMSY New Orleans Louis Armstrong-ONT Ontario

25h 52m1 stop Denver Intl

12:01 pm - 5:00 amONT Ontario-MSY New Orleans Louis Armstrong

38h 59m2 stops San Francisco Las Vegas Harry Reid Intl

$301Multiple Airlines

Fri, Oct 23 - Thu, Oct 29

6:00 am - 9:48 amSHV Shreveport-ONT Ontario

5h 48m1 stop Dallas/Fort Worth

5:44 am - 2:18 pmONT Ontario-SHV Shreveport

6h 34m1 stop Dallas/Fort Worth

$359American Airlines

Tue, Jan 19 - Tue, Feb 9

11:55 am - 8:26 pmSHV Shreveport-ONT Ontario

10h 31m2 stops Houston George Bush Intcntl San Francisco

1:00 pm - 8:31 pmONT Ontario-SHV Shreveport

5h 31m1 stop Denver Intl

$364United Airlines

Tue, Jan 19 - Tue, Feb 9

6:12 pm - 10:09 pmMSY New Orleans Louis Armstrong-ONT Ontario

5h 57m1 stop Phoenix Sky Harbor Intl

12:42 pm - 8:02 pmONT Ontario-MSY New Orleans Louis Armstrong

5h 20m1 stop Dallas/Fort Worth

$377American Airlines

Thu, Nov 12 - Tue, Nov 17

6:20 pm - 10:05 pmMSY New Orleans Louis Armstrong-ONT Ontario

5h 45m1 stop Phoenix Sky Harbor Intl

3:10 pm - 11:00 pmONT Ontario-MSY New Orleans Louis Armstrong

5h 50m1 stop Las Vegas Harry Reid Intl

$377Southwest

Tue, Oct 20 - Sat, Oct 24

3:05 pm - 9:15 pmMSY New Orleans Louis Armstrong-ONT Ontario

8h 10m2 stops Los Angeles Las Vegas Harry Reid Intl

1:45 pm - 10:35 pmONT Ontario-MSY New Orleans Louis Armstrong

6h 50m1 stop Phoenix Sky Harbor Intl

$398Southwest

Fri, Feb 26 - Mon, Mar 1

4:13 pm - 9:40 pmBTR Baton Rouge Ryan-ONT Ontario

7h 27m1 stop Houston George Bush Intcntl

5:45 am - 3:15 pmONT Ontario-BTR Baton Rouge Ryan

7h 30m1 stop Houston George Bush Intcntl

$452United Airlines

Wed, Nov 25 - Tue, Dec 1

Cheap last minute flights

Enter your travel dates to find the best prices.

9:00 pm - 9:09 amMSY New Orleans Louis Armstrong-ONT Ontario

14h 09m1 stop Las Vegas Harry Reid Intl

8:00 am - 8:04 pmONT Ontario-MSY New Orleans Louis Armstrong

10h 04m1 stop Las Vegas Harry Reid Intl

$479Frontier

Mon, Sep 28 - Mon, Oct 5

2:15 pm - 8:09 pmSHV Shreveport-ONT Ontario

7h 54m1 stop Dallas/Fort Worth

2:22 pm - 10:49 pmONT Ontario-SHV Shreveport

6h 27m1 stop Dallas/Fort Worth

$499American Airlines

Fri, Oct 2 - Sun, Oct 4

10:48 am - 11:47 pmMSY New Orleans Louis Armstrong-ONT Ontario

14h 59m1 stop Denver Intl

8:00 am - 8:04 pmONT Ontario-MSY New Orleans Louis Armstrong

10h 04m1 stop Las Vegas Harry Reid Intl

$505Frontier

Thu, Oct 1 - Mon, Oct 5

9:00 pm - 9:09 amMSY New Orleans Louis Armstrong-ONT Ontario

14h 09m1 stop Las Vegas Harry Reid Intl

8:00 am - 8:04 pmONT Ontario-MSY New Orleans Louis Armstrong

10h 04m1 stop Las Vegas Harry Reid Intl

$505Frontier

Fri, Oct 2 - Mon, Oct 5

5:50 pm - 9:59 pmSHV Shreveport-ONT Ontario

6h 09m1 stop Houston George Bush Intcntl

1:24 pm - 9:05 pmONT Ontario-SHV Shreveport

5h 41m1 stop Denver Intl

$574United Airlines

Thu, Oct 1 - Wed, Oct 7

5:50 pm - 9:59 pmSHV Shreveport-ONT Ontario

6h 09m1 stop Houston George Bush Intcntl

5:00 am - 2:58 pmONT Ontario-SHV Shreveport

7h 58m1 stop Denver Intl

$574United Airlines

Thu, Oct 1 - Wed, Oct 7

6:38 pm - 10:37 pmSHV Shreveport-ONT Ontario

5h 59m1 stop Dallas/Fort Worth

11:59 pm - 9:28 amONT Ontario-SHV Shreveport

7h 29m1 stop Dallas/Fort Worth

$575American Airlines

Fri, Oct 2 - Sun, Oct 4

2:15 pm - 8:09 pmSHV Shreveport-ONT Ontario

7h 54m1 stop Dallas/Fort Worth

2:22 pm - 10:49 pmONT Ontario-SHV Shreveport

6h 27m1 stop Dallas/Fort Worth

$575American Airlines

Fri, Oct 2 - Sun, Oct 4

5:27 pm - 11:16 amMSY New Orleans Louis Armstrong-ONT Ontario

19h 49m1 stop Seattle/Tacoma Intl

2:30 pm - 8:04 pmONT Ontario-MSY New Orleans Louis Armstrong

27h 34m1 stop Las Vegas Harry Reid Intl

$732Multiple Airlines

Tue, Sep 29 - Thu, Oct 1

10:48 am - 11:47 pmMSY New Orleans Louis Armstrong-ONT Ontario

14h 59m1 stop Denver Intl

6:02 am - 4:24 pmONT Ontario-MSY New Orleans Louis Armstrong

8h 22m1 stop Seattle/Tacoma Intl

$733Multiple Airlines

Mon, Sep 28 - Tue, Sep 29

Save money when you book flights with momondo

Big names and deals

Search 100s of travel sites to compare prices.

Filter for what you want

Free Wi-Fi? Stopover? Instantly customize your results.

Trusted and free

We’re completely free to use - no hidden charges or fees.

Price Alerts

Not ready to book? to track prices.

Search flight deals

United Airlines flights from Louisiana to Ontario

Our best United Airlines deals on Louisiana to Ontario flight tickets

United Airlines

Jan 19

SHV11:55 amShreveport

10h 31m

2 stops

ONT8:26 pmOntario

Feb 9

ONT1:00 pmOntario

5h 31m

1 stop

SHV8:31 pmShreveport

$364

United Airlines

Nov 25

BTR4:13 pmBaton Rouge Ryan

7h 27m

1 stop

ONT9:40 pmOntario

Dec 1

ONT5:45 amOntario

7h 30m

1 stop

BTR3:15 pmBaton Rouge Ryan

$452

United Airlines

Nov 25

BTR12:05 pmBaton Rouge Ryan

9h 45m

2 stops

ONT7:50 pmOntario

Dec 1

ONT5:45 amOntario

7h 30m

1 stop

BTR3:15 pmBaton Rouge Ryan

$459

Frontier flights from Louisiana to Ontario

Our best Frontier deals on Louisiana to Ontario flight tickets

Frontier

Oct 15

MSY10:37 amNew Orleans Louis Armstrong

15h 13m

1 stop

ONT11:50 pmOntario

Oct 17

ONT6:15 amOntario

25h 27m

1 stop

MSY9:42 amNew Orleans Louis Armstrong

$258

Frontier

Oct 22

MSY10:37 amNew Orleans Louis Armstrong

15h 13m

1 stop

ONT11:50 pmOntario

Oct 27

ONT6:25 amOntario

31h 48m

2 stops

MSY4:13 pmNew Orleans Louis Armstrong

$272

Frontier

Nov 5

MSY10:45 amNew Orleans Louis Armstrong

15h 06m

1 stop

ONT11:51 pmOntario

Nov 14

ONT11:52 amOntario

19h 58m

1 stop

MSY9:50 amNew Orleans Louis Armstrong

$277

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

Thu 10/15

10:37 am-11:50 pm

1 stop15h 13m

Ontario

Sat 10/17

6:15 am-9:42 am

1 stop25h 27m

$258

New OrleansOntario

MSY New Orleans Louis Armstrong - ONT Ontario

MSYONT

New Orleans Louis Armstrong

Thu 12/10

2:18 pm-12:20 am

1 stop12h 02m

Ontario

Tue 12/15

6:00 am-8:41 am

2 stops24h 41m

$272

New OrleansOntario

MSY New Orleans Louis Armstrong - ONT Ontario

MSYONT

New Orleans Louis Armstrong

Mon 10/26

5:25 pm-11:51 pm

2 stops32h 26m

Ontario

Mon 11/2

2:23 pm-5:00 am

1 stop12h 37m

$274

New OrleansOntario

MSY New Orleans Louis Armstrong - ONT Ontario

MSYONT

New Orleans Louis Armstrong

Fri 10/23

10:37 am-10:29 am

1 stop25h 52m

Ontario

Thu 10/29

12:01 pm-5:00 am

2 stops38h 59m

$301

ShreveportOntario

SHV Shreveport - ONT Ontario

SHVONT

Shreveport

Tue 1/19

6:00 am-9:48 am

1 stop5h 48m

Ontario

Tue 2/9

5:44 am-2:18 pm

1 stop6h 34m

$359

ShreveportOntario

SHV Shreveport - ONT Ontario

SHVONT

Shreveport

Tue 1/19

11:55 am-8:26 pm

2 stops10h 31m

Ontario

Tue 2/9

1:00 pm-8:31 pm

1 stop5h 31m

$364

Quickest round-trip

New OrleansOntario

MSY New Orleans Louis Armstrong - ONT Ontario

MSYONT

New Orleans Louis Armstrong

Thu 11/12

6:12 pm-10:09 pm

1 stop5h 57m

Ontario

Tue 11/17

12:42 pm-8:02 pm

1 stop5h 20m

$377

New OrleansOntario

MSY New Orleans Louis Armstrong - ONT Ontario

MSYONT

New Orleans Louis Armstrong

Tue 10/20

6:20 pm-10:05 pm

1 stop5h 45m

Ontario

Sat 10/24

3:10 pm-11:00 pm

1 stop5h 50m

$377

New OrleansOntario

MSY New Orleans Louis Armstrong - ONT Ontario

MSYONT

New Orleans Louis Armstrong

Fri 2/26

3:05 pm-9:15 pm

2 stops8h 10m

Ontario

Mon 3/1

1:45 pm-10:35 pm

1 stop6h 50m

$398

Baton RougeOntario

BTR Baton Rouge Ryan - ONT Ontario

BTRONT

Baton Rouge Ryan

Wed 11/25

4:13 pm-9:40 pm

1 stop7h 27m

Ontario

Tue 12/1

5:45 am-3:15 pm

1 stop7h 30m

$452

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, March 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 $330. If you aren’t able to travel during the month of March, then book flights to Ontario from Louisiana during August instead. Flights to Ontario in August, while not as cheap as those in March, still average around $378.

Can stopping save me money on Louisiana to Ontario flights?

You could potentially save up to 10% 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	$114
Fastest flight time	5h 51m
Direct flights	None

The best one-way flight to Ontario from Louisiana in the past 72 hours is $114. The best round-trip flight deal from Louisiana to Ontario found on momondo in the last 72 hours is $258.

The fastest flight from Louisiana to Ontario takes 5h 51m

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 September 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 5.6 2,573 reviews	Search Frontier flights
American Airlines	PriceFrom $261	Free Cancellation	Rating 7.0 12,101 reviews	Search American Airlines flights
United Airlines	PriceFrom $288	Free Cancellation	Rating 7.4 10,248 reviews	Search United Airlines flights
Southwest	PriceFrom $332	Free Cancellation	Rating 8.0 4,201 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.

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.

Start using Trips

Find my bookings

Get notified when prices go down

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

1 adult

Mon 10/26

Mon 11/2

Email me momondo's favorite deals

By creating a price alert you accept our terms of use and privacy policy.

Find better results for your trip to the United States

Nearby airports

Airlines

Cabin classes

Other United States destinations

Other flights from Louisiana

Complete your trip

Feeling lucky

Cheap flights from Louisiana to Los Angeles from $114

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 11/16. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.

Find the cheapest flights from Louisiana to Los Angeles

Cheap round-trip flights

Cheap one-way flights

Cheap last minute flights

Big names and deals

Big names and deals

Filter for what you want

Filter for what you want

Trusted and free

Trusted and free

Price Alerts

Price Alerts

United Airlines flights from Louisiana to Ontario

Our best United Airlines deals on Louisiana to Ontario flight tickets

Frontier flights from Louisiana to Ontario

Our best Frontier deals on Louisiana to Ontario flight tickets

momondo Fare Finder

Use the filters below to find and compare flights from Louisiana to Ontario that are best for you.

See travel insights to Los Angeles from

How to get the cheapest flight ticket from Louisiana to Ontario

What is the cheapest month to fly to Ontario?

Can stopping save me money on Louisiana to Ontario flights?

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

Fastest flight time

Direct flights

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

Cabin classes currently available on flights to Los Angeles

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

Popular cities in the United States

Popular flights according to clicks in the last 7 days on momondo

Fly to other destinations from Louisiana

According to popular flight searches on momondo this year

Complete your trip to Los Angeles

Explore popular destinations other users love

According to popular flight searches on momondo this year