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

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

What airlines fly to Ontario?

Spirit Airlines, Delta and American Airlines are the top three most popular airlines that fly to Ontario from Baton Rouge 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 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.

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

Prices for flights from Baton Rouge Ryan Airport to Ontario Airport are updated daily.

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

The number of operators available for flights from Baton Rouge Ryan Airport to Ontario Airport is 1 as of January 2026.

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

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 Baton Rouge Ryan Airport to Ontario Airport.

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

The necessary travel and health documents for your Ontario Airport trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

$199 Cheap Flights from Baton Rouge to Ontario in 2026

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Find the cheapest flights from Baton Rouge to Los Angeles

Round-trip

One-way

Last minute

Cheap round-trip flights

Enter your travel dates to find the best prices.

8:11 pm - 11:59 pm

BTR

ONT

5h 48m

1 stop

11:58 pm - 9:54 am

ONT

BTR

7h 56m

1 stop

$334American Airlines

Thu, Mar 5 - Fri, Mar 13

6:18 am - 11:31 am

BTR

ONT

7h 13m

1 stop

1:15 pm - 10:01 pm

ONT

BTR

6h 46m

1 stop

$359Delta

Tue, Feb 10 - Sat, Feb 14

1:37 pm - 11:58 pm

BTR

ONT

12h 21m

2 stops

1:15 pm - 10:01 pm

ONT

BTR

6h 46m

1 stop

$364Delta

Tue, Feb 10 - Sat, Feb 14

12:00 pm - 10:53 pm

BTR

ONT

12h 53m

2 stops

5:00 am - 7:23 pm

ONT

BTR

12h 23m

2 stops

$370United Airlines

Tue, Feb 10 - Sat, Feb 14

4:58 pm - 9:21 pm

BTR

ONT

6h 23m

1 stop

6:02 am - 3:51 pm

ONT

BTR

7h 49m

1 stop

$379United Airlines

Sat, Jul 25 - Sun, Aug 2

6:07 pm - 9:59 pm

BTR

ONT

5h 52m

1 stop

8:00 am - 5:32 pm

ONT

BTR

7h 32m

1 stop

$399United Airlines

Wed, Feb 25 - Wed, Mar 4

12:14 pm - 8:50 pm

BTR

ONT

10h 36m

2 stops

8:00 am - 3:33 pm

ONT

BTR

5h 33m

1 stop

$404United Airlines

Tue, Feb 24 - Tue, Mar 3

12:14 pm - 8:50 pm

BTR

ONT

10h 36m

2 stops

5:00 am - 5:32 pm

ONT

BTR

10h 32m

2 stops

$435United Airlines

Tue, Feb 24 - Tue, Mar 3

5:20 am - 5:47 pm

BTR

ONT

14h 27m

2 stops

6:02 am - 3:51 pm

ONT

BTR

7h 49m

1 stop

$444United Airlines

Sat, Jul 25 - Sun, Aug 2

12:00 pm - 10:53 pm

BTR

ONT

12h 53m

2 stops

6:00 am - 3:33 pm

ONT

BTR

7h 33m

1 stop

$454United Airlines

Tue, Feb 10 - Sat, Feb 14

Delta flights from Baton Rouge to Ontario

Our best Delta deals on Baton Rouge to Ontario flight tickets

Delta

Feb 10

BTR6:18 amBaton Rouge Ryan

7h 13m

1 stop

ONT11:31 amOntario

Feb 14

ONT1:15 pmOntario

6h 46m

1 stop

BTR10:01 pmBaton Rouge Ryan

$359

Delta

Feb 10

BTR1:37 pmBaton Rouge Ryan

12h 21m

2 stops

ONT11:58 pmOntario

Feb 14

ONT1:15 pmOntario

6h 46m

1 stop

BTR10:01 pmBaton Rouge Ryan

$364

United Airlines flights from Baton Rouge to Ontario

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

United Airlines

Feb 10

BTR12:00 pmBaton Rouge Ryan

12h 53m

2 stops

ONT10:53 pmOntario

Feb 14

ONT5:00 amOntario

12h 23m

2 stops

BTR7:23 pmBaton Rouge Ryan

$370

United Airlines

Jul 25

BTR4:58 pmBaton Rouge Ryan

6h 23m

1 stop

ONT9:21 pmOntario

Aug 2

ONT6:02 amOntario

7h 49m

1 stop

BTR3:51 pmBaton Rouge Ryan

$379

United Airlines

Feb 25

BTR6:07 pmBaton Rouge Ryan

5h 52m

1 stop

ONT9:59 pmOntario

Mar 4

ONT8:00 amOntario

7h 32m

1 stop

BTR5:32 pmBaton Rouge Ryan

$399

Fly from

Fly to

Route

Depart

Return

Price

Baton RougeOntario

BTR - ONT

BTRONT

Baton Rouge Ryan

Thu 3/5

8:11 pm-11:59 pm

1 stop5h 48m

Ontario

Fri 3/13

11:58 pm-9:54 am

1 stop7h 56m

$334

Baton RougeOntario

BTR - ONT

BTRONT

Baton Rouge Ryan

Tue 2/10

6:18 am-11:31 am

1 stop7h 13m

Ontario

Sat 2/14

1:15 pm-10:01 pm

1 stop6h 46m

$359

Baton RougeOntario

BTR - ONT

BTRONT

Baton Rouge Ryan

Tue 2/10

1:37 pm-11:58 pm

2 stops12h 21m

Ontario

Sat 2/14

1:15 pm-10:01 pm

1 stop6h 46m

$364

Baton RougeOntario

BTR - ONT

BTRONT

Baton Rouge Ryan

Tue 2/10

12:00 pm-10:53 pm

2 stops12h 53m

Ontario

Sat 2/14

5:00 am-7:23 pm

2 stops12h 23m

$370

Baton RougeOntario

BTR - ONT

BTRONT

Baton Rouge Ryan

Sat 7/25

4:58 pm-9:21 pm

1 stop6h 23m

Ontario

Sun 8/2

6:02 am-3:51 pm

1 stop7h 49m

$379

Baton RougeOntario

BTR - ONT

BTRONT

Baton Rouge Ryan

Wed 2/25

6:07 pm-9:59 pm

1 stop5h 52m

Ontario

Wed 3/4

8:00 am-5:32 pm

1 stop7h 32m

$399

Baton RougeOntario

BTR - ONT

BTRONT

Baton Rouge Ryan

Tue 2/24

12:14 pm-8:50 pm

2 stops10h 36m

Ontario

Tue 3/3

8:00 am-3:33 pm

1 stop5h 33m

$404

Baton RougeOntario

BTR - ONT

BTRONT

Baton Rouge Ryan

Tue 2/24

12:14 pm-8:50 pm

2 stops10h 36m

Ontario

Tue 3/3

5:00 am-5:32 pm

2 stops10h 32m

$435

Baton RougeOntario

BTR - ONT

BTRONT

Baton Rouge Ryan

Sat 7/25

5:20 am-5:47 pm

2 stops14h 27m

Ontario

Sun 8/2

6:02 am-3:51 pm

1 stop7h 49m

$444

Baton RougeOntario

BTR - ONT

BTRONT

Baton Rouge Ryan

Tue 2/10

12:00 pm-10:53 pm

2 stops12h 53m

Ontario

Sat 2/14

6:00 am-3:33 pm

1 stop7h 33m

$454

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 15 resultsSorted by cheapest first

How to get the cheapest flight ticket from Baton Rouge 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

What is the cheapest month to fly to Ontario?

In general, March is the cheapest month to fly from Baton Rouge to Ontario. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $288. If you aren’t able to travel during the month of March, then book flights to Ontario from Baton Rouge during August instead. Flights to Ontario in August, while not as cheap as those in March, still average around $373.

When to book flights from Baton Rouge to Ontario

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

Estimated round-trip price

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

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

Fastest flight time	5h 52m
Direct flights	None

The fastest flight from Baton Rouge to Ontario takes 5h 52m

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

Search flight deals

How far is Baton Rouge Ryan to Ontario by plane?
There are 1560.7 mi between Baton Rouge Ryan and Ontario. In terms of flight time, this usually takes a little over 5h 52m.
When did momondo last update prices for flights from Baton Rouge Ryan Airport to Ontario Airport?
Prices for flights from Baton Rouge Ryan Airport to Ontario Airport are updated daily.
How many operators does momondo search for flights from Baton Rouge Ryan Airport to Ontario Airport?
The number of operators available for flights from Baton Rouge Ryan Airport to Ontario Airport is 1 as of January 2026.
How old do you have to be to fly from Baton Rouge Ryan Airport to Ontario Airport?
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 Baton Rouge Ryan Airport to Ontario Airport.
What documentation or ID do you need to fly to Ontario Airport?
The necessary travel and health documents for your Ontario Airport trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.
What is the most popular airline from Baton Rouge to Ontario?
Based on momondo bookings for this flight route, the most popular airline on flight routes from Baton Rouge to Ontario is American Airlines (100% of total bookings).

Best airlines flying from Baton Rouge to Ontario

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

Airline	Rating	Free Cancellation	Price
American Airlines	PriceFrom $288	Free Cancellation	Rating 7.2 11,201 reviews		Search American Airlines flights

Why use momondo?

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

momondo collates all your flight options in one place and lets you filter them to find the perfect flight from Baton Rouge to Ontario. momondo saves you time and could save you money on your trip.

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

Flights from Baton Rouge to Ontario 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 Baton Rouge to Ontario?

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

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

Yes. momondo can track prices for Baton Rouge 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.