What airlines fly to Louisiana?

Delta, Spirit Airlines and American Airlines are the top three most popular airlines that fly to Louisiana from Ontario according to our data. Delta is the first choice among our users, with 35% of people opting to fly with this airline when traveling to Louisiana. Keep in mind that there are 8 different airlines that fly to Louisiana on a routine basis, so you have a few additional options to choose from.

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

United Airlines, Alaska Airlines, and Frontier are the most popular carriers operating from Ontario to Louisiana

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

Prices for flights from Ontario Airport to Louisiana were last updated today.

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

As of May 2026, there are 6 operators available to choose from for flights from Ontario Airport to Louisiana.

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

The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Ontario Airport to Louisiana.

What documentation or ID do you need to fly to Louisiana?

The travel and health documents required for your trip to Louisiana can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Louisiana. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

$104 Cheap Flights from Ontario to Louisiana in 2026

1 adult

0 bags

Discover deals from 900+ travel sites with momondo.

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

Find the cheapest flights from Ontario to Louisiana

Round-trip

One-way

Last minute

Cheap round-trip flights

Enter your travel dates to find the best prices.

8:06 pm - 4:21 pm

ONT

MSY

18h 15m

2 stops

9:55 pm - 10:05 am

MSY

ONT

14h 10m

1 stop

$204Frontier

Fri, Jun 5 - Mon, Jun 8

6:00 am - 9:10 pm

ONT

MSY

13h 10m

1 stop

9:55 pm - 10:05 am

MSY

ONT

14h 10m

1 stop

$223Frontier

Sun, May 31 - Sun, Jun 7

10:50 am - 9:10 pm

ONT

MSY

8h 20m

1 stop

9:55 pm - 11:49 pm

MSY

ONT

27h 54m

1 stop

$237Frontier

Thu, Jun 4 - Sun, Jun 7

6:00 am - 9:10 pm

ONT

MSY

13h 10m

1 stop

9:55 pm - 10:05 am

MSY

ONT

14h 10m

1 stop

$243Frontier

Mon, Jun 1 - Mon, Jun 8

7:13 pm - 9:41 am

ONT

SHV

12h 28m

2 stops

8:19 pm - 11:59 pm

SHV

ONT

5h 40m

1 stop

$334American Airlines

Tue, Jun 30 - Thu, Jul 9

11:59 pm - 9:29 am

ONT

SHV

7h 30m

1 stop

8:20 pm - 11:59 pm

SHV

ONT

5h 39m

1 stop

$339American Airlines

Fri, May 29 - Fri, Jun 5

12:07 pm - 10:00 pm

ONT

BTR

7h 53m

1 stop

4:00 pm - 9:48 pm

BTR

ONT

7h 48m

1 stop

$349Delta

Tue, May 26 - Sat, May 30

5:45 am - 3:41 pm

ONT

SHV

7h 56m

1 stop

5:56 pm - 9:55 pm

SHV

ONT

5h 59m

1 stop

$351United Airlines

Thu, May 28 - Sun, May 31

10:00 pm - 9:45 am

ONT

BTR

9h 45m

1 stop

4:00 pm - 9:48 pm

BTR

ONT

7h 48m

1 stop

$363Delta

Sun, May 24 - Sat, May 30

5:45 am - 3:25 pm

ONT

AEX

7h 40m

1 stop

4:05 pm - 9:59 pm

AEX

ONT

7h 54m

1 stop

$434United Airlines

Sat, Aug 1 - Wed, Sep 16

Frontier flights from Ontario to Louisiana

Our best Frontier deals on Ontario to Louisiana flight tickets

Frontier

Jun 5

ONT8:06 pmOntario

18h 15m

2 stops

MSY4:21 pmNew Orleans Louis Armstrong

Jun 8

MSY9:55 pmNew Orleans Louis Armstrong

14h 10m

1 stop

ONT10:05 amOntario

$204

Frontier

May 31

ONT6:00 amOntario

13h 10m

1 stop

MSY9:10 pmNew Orleans Louis Armstrong

Jun 7

MSY9:55 pmNew Orleans Louis Armstrong

14h 10m

1 stop

ONT10:05 amOntario

$223

Frontier

Jun 4

ONT10:50 amOntario

8h 20m

1 stop

MSY9:10 pmNew Orleans Louis Armstrong

Jun 7

MSY9:55 pmNew Orleans Louis Armstrong

27h 54m

1 stop

ONT11:49 pmOntario

$237

Delta flights from Ontario to Louisiana

Our best Delta deals on Ontario to Louisiana flight tickets

Delta

May 26

ONT12:07 pmOntario

7h 53m

1 stop

BTR10:00 pmBaton Rouge Ryan

May 30

BTR4:00 pmBaton Rouge Ryan

7h 48m

1 stop

ONT9:48 pmOntario

$349

Delta

Oct 11

ONT10:59 pmOntario

9h 12m

1 stop

SHV10:11 amShreveport

Oct 19

SHV10:15 amShreveport

10h 03m

1 stop

ONT6:18 pmOntario

$359

Delta

May 24

ONT10:00 pmOntario

9h 45m

1 stop

BTR9:45 amBaton Rouge Ryan

May 30

BTR4:00 pmBaton Rouge Ryan

7h 48m

1 stop

ONT9:48 pmOntario

$363

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

OntarioNew Orleans

ONT - MSY

ONTMSY

Ontario

Fri 6/5

8:06 pm-4:21 pm

2 stops18h 15m

New Orleans Louis Armstrong

Mon 6/8

9:55 pm-10:05 am

1 stop14h 10m

$204

OntarioNew Orleans

ONT - MSY

ONTMSY

Ontario

Sun 5/31

6:00 am-9:10 pm

1 stop13h 10m

New Orleans Louis Armstrong

Sun 6/7

9:55 pm-10:05 am

1 stop14h 10m

$223

OntarioNew Orleans

ONT - MSY

ONTMSY

Ontario

Thu 6/4

10:50 am-9:10 pm

1 stop8h 20m

New Orleans Louis Armstrong

Sun 6/7

9:55 pm-11:49 pm

1 stop27h 54m

$237

OntarioNew Orleans

ONT - MSY

ONTMSY

Ontario

Mon 6/1

6:00 am-9:10 pm

1 stop13h 10m

New Orleans Louis Armstrong

Mon 6/8

9:55 pm-10:05 am

1 stop14h 10m

$243

OntarioShreveport

ONT - SHV

ONTSHV

Ontario

Tue 6/30

7:13 pm-9:41 am

2 stops12h 28m

Shreveport

Thu 7/9

8:19 pm-11:59 pm

1 stop5h 40m

$334

Quickest round-trip

OntarioShreveport

ONT - SHV

ONTSHV

Ontario

Fri 5/29

11:59 pm-9:29 am

1 stop7h 30m

Shreveport

Fri 6/5

8:20 pm-11:59 pm

1 stop5h 39m

$339

OntarioBaton Rouge

ONT - BTR

ONTBTR

Ontario

Tue 5/26

12:07 pm-10:00 pm

1 stop7h 53m

Baton Rouge Ryan

Sat 5/30

4:00 pm-9:48 pm

1 stop7h 48m

$349

OntarioShreveport

ONT - SHV

ONTSHV

Ontario

Thu 5/28

5:45 am-3:41 pm

1 stop7h 56m

Shreveport

Sun 5/31

5:56 pm-9:55 pm

1 stop5h 59m

$351

OntarioBaton Rouge

ONT - BTR

ONTBTR

Ontario

Sun 5/24

10:00 pm-9:45 am

1 stop9h 45m

Baton Rouge Ryan

Sat 5/30

4:00 pm-9:48 pm

1 stop7h 48m

$363

OntarioAlexandria

ONT - AEX

ONTAEX

Ontario

Sat 8/1

5:45 am-3:25 pm

1 stop7h 40m

Alexandria

Wed 9/16

4:05 pm-9:59 pm

1 stop7h 54m

$434

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 Ontario to Louisiana

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

What is the cheapest month to fly to Louisiana?

In general, September is the cheapest month to fly from Ontario to Louisiana. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $54. The month of January is another great option to travel to Louisiana, with average flight prices from Ontario averaging around $86.

How far in advance should I book a flight from Ontario to Louisiana?

You are more likely to see cheaper flights to Louisiana from Ontario when booking weeks ahead of your departure date. In general, you can expect to find flights to Louisiana for around $410 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Louisiana from Ontario for as low as $317 on momondo.

Cheap Ontario to Louisiana flight deals and tips

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

Fastest flight time	5h 22m
Direct flights	None

The fastest flight from Ontario to Louisiana takes 5h 22m

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

Search flight deals

Frequently asked questions about flying from Ontario to Louisiana

When did momondo last update prices for flights from Ontario Airport to Louisiana?
Prices for flights from Ontario Airport to Louisiana were last updated today.
How many operators does momondo search for flights from Ontario Airport to Louisiana?
As of May 2026, there are 6 operators available to choose from for flights from Ontario Airport to Louisiana.
How old do you have to be to fly from Ontario Airport to Louisiana?
The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Ontario Airport to Louisiana.
What documentation or ID do you need to fly to Louisiana?
The travel and health documents required for your trip to Louisiana can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Louisiana. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

Best airlines flying from Ontario to Louisiana

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

Airline	Rating	Free Cancellation	Price
Spirit Airlines	PriceFrom $54	Free Cancellation	Rating 6.3 8,637 reviews	Search Spirit Airlines flights
Frontier	PriceFrom $94	Free Cancellation	Rating 5.6 2,960 reviews	Search Frontier flights
Delta	PriceFrom $177	Free Cancellation	Rating 7.9 8,457 reviews	Search Delta flights
United Airlines	PriceFrom $238	Free Cancellation	Rating 7.4 9,693 reviews	Search United Airlines flights
American Airlines	PriceFrom $248	Free Cancellation	Rating 7.1 11,670 reviews	Search American Airlines flights
Southwest	PriceFrom $316	Free Cancellation	Rating 7.9 4,303 reviews	Search Southwest flights

Why use momondo?

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

momondo compares prices from hundreds of airlines and agents so you can find and book the best deal on flights from Ontario to Louisiana. Millions of users trust and use momondo every year so you are in good hands.

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

Flights from Ontario to Louisiana with flexible booking policies can be found by using the search form above and then selecting our dedicated flexible booking filter, which will highlight only the flights where this policy is applied.

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

Once all potential Ontario to Louisiana flight options are in front of you, momondo lets you sort and filter flights based on preferences such as airline, price and flight times amongst many other options.

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

Of course. momondo tracks the price of Ontario to Louisiana flights. All you need is a valid email address and we will do the rest; it is that quick and easy.