What is the cheapest airline that flies from Ontario to Baton Rouge Ryan?

Delta, United Airlines, and American Airlines are the most popular carriers operating from Ontario to Baton Rouge Ryan

What airlines fly to Baton Rouge?

Spirit Airlines, Delta and Southwest are the top three most popular airlines that fly to Baton Rouge from Ontario according to our data. Spirit Airlines is the first choice among our users, with 38% of people opting to fly with this airline when traveling to Baton Rouge. Keep in mind that there are 8 different airlines that fly to Baton Rouge on a routine basis, so you have a few additional options to choose from.

When did momondo last update prices for flights from Ontario Airport to Baton Rouge Ryan Airport?

Prices for flights from Ontario Airport to Baton Rouge Ryan Airport are refreshed on a daily basis.

How many operators does momondo search for flights from Ontario Airport to Baton Rouge Ryan Airport?

As of August 2025, there are 2 operators available to choose from for flights from Ontario Airport to Baton Rouge Ryan Airport.

How old do you have to be to fly from Ontario Airport to Baton Rouge Ryan 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 Ontario Airport to Baton Rouge Ryan Airport.

What documentation or ID do you need to fly to Baton Rouge Ryan Airport?

The required travel and health documents for your Baton Rouge Ryan 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 Baton Rouge Ryan Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

$195 Cheap Flights from Ontario to Baton Rouge (ONT-BTR) in 2025

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Find the cheapest flights from Ontario to Baton Rouge (ONT-BTR)

Round-trip

One-way

Last minute

Cheap round-trip flights

10:30 pm - 9:44 amONT-BTR

9h 14m1 stop

1:40 pm - 11:52 pmBTR-ONT

12h 12m2 stops

$294Delta

Find Deal

Fri, Jan 9 - Mon, Jan 12

11:45 am - 10:13 pmONT-BTR

8h 28m1 stop

6:00 am - 10:35 amBTR-ONT

6h 35m1 stop

$314Delta

Find Deal

Tue, Sep 2 - Sat, Sep 6

11:59 pm - 9:38 amONT-BTR

7h 39m1 stop

12:15 pm - 6:16 pmBTR-ONT

8h 01m2 stops

$319American Airlines

Find Deal

Tue, Sep 2 - Sat, Sep 6

11:45 am - 10:13 pmONT-BTR

8h 28m1 stop

6:00 am - 10:35 amBTR-ONT

6h 35m1 stop

$339Delta

Find Deal

Tue, Sep 2 - Sat, Sep 6

11:59 pm - 9:38 amONT-BTR

7h 39m1 stop

10:08 am - 6:16 pmBTR-ONT

10h 08m2 stops

$344American Airlines

Find Deal

Tue, Sep 2 - Sat, Sep 6

12:22 pm - 10:44 pmONT-BTR

8h 22m2 stops

10:08 am - 6:16 pmBTR-ONT

10h 08m2 stops

$387American Airlines

Find Deal

Tue, Sep 2 - Sat, Sep 6

12:48 pm - 10:46 pmONT-BTR

7h 58m1 stop

4:28 pm - 10:42 pmBTR-ONT

8h 14m1 stop

$427American Airlines

Find Deal

Thu, Oct 9 - Tue, Oct 28

6:04 am - 1:19 pmONT-BTR

5h 15m1 stop

12:05 pm - 8:33 pmBTR-ONT

10h 28m2 stops

$459United Airlines

Find Deal

Sat, Aug 30 - Sun, Aug 31

5:10 am - 7:26 pmONT-BTR

12h 16m2 stops

4:03 pm - 9:25 pmBTR-ONT

7h 22m1 stop

$474United Airlines

Find Deal

Sat, Aug 30 - Mon, Sep 1

5:10 am - 7:26 pmONT-BTR

12h 16m2 stops

12:05 pm - 8:33 pmBTR-ONT

10h 28m2 stops

$479United Airlines

Find Deal

Sat, Aug 30 - Sun, Aug 31

United Airlines flights from Ontario to Baton Rouge

Our best United Airlines deals on Ontario to Baton Rouge flight tickets

United Airlines

Aug 30

ONT6:04 amOntario

5h 15m

1 stop

BTR1:19 pmBaton Rouge Ryan

Aug 31

BTR12:05 pmBaton Rouge Ryan

10h 28m

2 stops

ONT8:33 pmOntario

$459

Find similar

United Airlines

Aug 30

ONT5:10 amOntario

12h 16m

2 stops

BTR7:26 pmBaton Rouge Ryan

Sep 1

BTR4:03 pmBaton Rouge Ryan

7h 22m

1 stop

ONT9:25 pmOntario

$474

Find similar

United Airlines

Aug 20

ONT5:10 amOntario

12h 16m

2 stops

BTR7:26 pmBaton Rouge Ryan

Aug 24

BTR4:03 pmBaton Rouge Ryan

7h 22m

1 stop

ONT9:25 pmOntario

$478

Find similar

Delta flights from Ontario to Baton Rouge

Our best Delta deals on Ontario to Baton Rouge flight tickets

Delta

Jan 9

ONT10:30 pmOntario

9h 14m

1 stop

BTR9:44 amBaton Rouge Ryan

Jan 12

BTR1:40 pmBaton Rouge Ryan

12h 12m

2 stops

ONT11:52 pmOntario

$294

Find similar

Delta

Sep 2

ONT11:45 amOntario

8h 28m

1 stop

BTR10:13 pmBaton Rouge Ryan

Sep 6

BTR6:00 amBaton Rouge Ryan

6h 35m

1 stop

ONT10:35 amOntario

$314

Find similar

Delta

Sep 2

ONT11:45 amOntario

8h 28m

1 stop

BTR10:13 pmBaton Rouge Ryan

Sep 6

BTR6:00 amBaton Rouge Ryan

6h 35m

1 stop

ONT10:35 amOntario

$339

Find similar

Fly from

Fly to

Route

Depart

Return

Price

OntarioBaton Rouge

ONT - BTR

ONTBTR

Ontario

Fri 1/9

10:30 pm-9:44 am

1 stop9h 14m

Baton Rouge Ryan

Mon 1/12

1:40 pm-11:52 pm

2 stops12h 12m

$294

OntarioBaton Rouge

ONT - BTR

ONTBTR

Ontario

Tue 9/2

11:45 am-10:13 pm

1 stop8h 28m

Baton Rouge Ryan

Sat 9/6

6:00 am-10:35 am

1 stop6h 35m

$314

OntarioBaton Rouge

ONT - BTR

ONTBTR

Ontario

Tue 9/2

11:59 pm-9:38 am

1 stop7h 39m

Baton Rouge Ryan

Sat 9/6

12:15 pm-6:16 pm

2 stops8h 01m

$319

OntarioBaton Rouge

ONT - BTR

ONTBTR

Ontario

Tue 9/2

11:45 am-10:13 pm

1 stop8h 28m

Baton Rouge Ryan

Sat 9/6

6:00 am-10:35 am

1 stop6h 35m

$339

OntarioBaton Rouge

ONT - BTR

ONTBTR

Ontario

Tue 9/2

11:59 pm-9:38 am

1 stop7h 39m

Baton Rouge Ryan

Sat 9/6

10:08 am-6:16 pm

2 stops10h 08m

$344

OntarioBaton Rouge

ONT - BTR

ONTBTR

Ontario

Tue 9/2

12:22 pm-10:44 pm

2 stops8h 22m

Baton Rouge Ryan

Sat 9/6

10:08 am-6:16 pm

2 stops10h 08m

$387

OntarioBaton Rouge

ONT - BTR

ONTBTR

Ontario

Thu 10/9

12:48 pm-10:46 pm

1 stop7h 58m

Baton Rouge Ryan

Tue 10/28

4:28 pm-10:42 pm

1 stop8h 14m

$427

OntarioBaton Rouge

ONT - BTR

ONTBTR

Ontario

Sat 8/30

6:04 am-1:19 pm

1 stop5h 15m

Baton Rouge Ryan

Sun 8/31

12:05 pm-8:33 pm

2 stops10h 28m

$459

OntarioBaton Rouge

ONT - BTR

ONTBTR

Ontario

Sat 8/30

5:10 am-7:26 pm

2 stops12h 16m

Baton Rouge Ryan

Mon 9/1

4:03 pm-9:25 pm

1 stop7h 22m

$474

OntarioBaton Rouge

ONT - BTR

ONTBTR

Ontario

Sat 8/30

5:10 am-7:26 pm

2 stops12h 16m

Baton Rouge Ryan

Sun 8/31

12:05 pm-8:33 pm

2 stops10h 28m

$479

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 Baton Rouge

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 Baton Rouge?

In general, November is the cheapest month to fly from Ontario to Baton Rouge. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $288. If you’re not able to fly to Baton Rouge in November, then August is your next best option. Flight prices from Ontario to Baton Rouge during August average around $330.

What is the cheapest day to depart on your flight to Baton Rouge?

The cheapest day to depart from Ontario to Baton Rouge is on a Tuesday. Travelers who choose to depart for Baton Rouge on a Tuesday will often find tickets for as low as $378. If your travel schedule is flexible, try to avoid departing on a Sunday because tickets tend to average around $496. These prices are subject to change though, so be sure to set up a Price Alert for flights to Baton Rouge.

What is the cheapest time of day to depart on your flight to Baton Rouge?

Our most recent data shows that the best time of day to fly to Baton Rouge is in the evening. Flights from Ontario to Baton Rouge during this time can be as low as $382. In contrast, the most expensive time of day to depart to Baton Rouge is in the morning when prices are around $465.

When to book flights from Ontario to Baton Rouge

Are you open to changing your travel dates? Check out the ideal times to fly from Ontario to Baton Rouge according to our flight data. Find out which month and days have the cheapest flights.

Estimated round-trip price

Cheap Ontario to Baton Rouge (ONT to BTR) flight deals and tips

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

Best Price Found	$195
Fastest flight time	5h 14m
Direct flights	None
Airports in Baton Rouge	1 airport

The best one-way flight to Baton Rouge from Ontario in the past 72 hours is $195. The best round-trip flight deal from Ontario to Baton Rouge found on momondo in the last 72 hours is $294.

The fastest flight from Ontario to Baton Rouge takes 5h 14m

There are no direct flights from Ontario to Baton Rouge. Popular non-direct route for this connection is Ontario Airport - Baton Rouge Ryan Airport.

There is 1 airport near Baton Rouge: Baton Rouge Ryan (BTR)

Search flight deals

How far is Ontario to Baton Rouge Ryan by plane?
The distance between Ontario and Baton Rouge Ryan is about 1560.7 mi. By plane, this route typically takes 5h 15m.
When did momondo last update prices for flights from Ontario Airport to Baton Rouge Ryan Airport?
Prices for flights from Ontario Airport to Baton Rouge Ryan Airport are refreshed on a daily basis.
How many operators does momondo search for flights from Ontario Airport to Baton Rouge Ryan Airport?
As of August 2025, there are 2 operators available to choose from for flights from Ontario Airport to Baton Rouge Ryan Airport.
How old do you have to be to fly from Ontario Airport to Baton Rouge Ryan 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 Ontario Airport to Baton Rouge Ryan Airport.
What documentation or ID do you need to fly to Baton Rouge Ryan Airport?
The required travel and health documents for your Baton Rouge Ryan 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 Baton Rouge Ryan Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.
What is the most popular airline from Ontario to Baton Rouge?
Based on momondo bookings for this flight route, the most popular airline on flight routes from Ontario to Baton Rouge is American Airlines (77% of total bookings). The next most popular airline is United Airlines (23%).

Best airlines flying from Ontario to Baton Rouge

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

Airline	Rating	Free Cancellation	Price
United Airlines	PriceFrom $294	Free Cancellation	Rating 7.4 8,925 reviews		Search United Airlines flights
American Airlines	PriceFrom $338	Free Cancellation	Rating 7.2 10,000 reviews		Search American Airlines flights

Denham Springs

McComb

Port Allen

Saint Francisville

Why use momondo?

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

It is quick and easy to find Ontario to Baton Rouge flights on momondo. We search and return numerous flight options from various airlines and agents. You can then use our filters to narrow your search until you have found the most convenient flight to Baton Rouge that suits you.

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

All flight searches from Ontario to Baton Rouge on momondo can be filtered to show those which offer flexible booking policies.

How can momondo help me find flights from Ontario to Baton Rouge?

Once you have performed a search in the form on the page, momondo provides useful filters and insights. We can show you the cheapest days and times to fly as well as help filter your options to help you make an informed choice when booking flights to Baton Rouge from Ontario.

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

If you are simply researching potential flights to Baton Rouge, momondo offers a useful price alert feature which will track prices for flights to Baton Rouge from Ontario and alert you when they change.