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

American Airlines, United Airlines, and Delta 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 40% of people opting to fly with this airline when traveling to Ontario. Keep in mind that there are 6 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 September 2025.

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 2025/26

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Find the cheapest flights from Baton Rouge to Los Angeles

Round-trip

One-way

Last minute

Cheap round-trip flights

3:40 pm - 10:22 pmBTR-ONT

8h 42m1 stop

10:25 pm - 9:50 amONT-BTR

9h 25m1 stop

$289Delta

Find Deal

Wed, Nov 5 - Tue, Nov 11

3:40 pm - 10:22 pmBTR-ONT

8h 42m1 stop

4:49 pm - 9:50 amONT-BTR

15h 01m2 stops

$294Delta

Find Deal

Wed, Nov 5 - Tue, Nov 11

3:40 pm - 10:22 pmBTR-ONT

8h 42m1 stop

11:36 am - 9:47 pmONT-BTR

8h 11m1 stop

$339Delta

Find Deal

Tue, Oct 7 - Sat, Oct 11

5:00 am - 12:51 pmBTR-ONT

9h 51m2 stops

6:00 am - 1:10 pmONT-BTR

5h 10m1 stop

$344United Airlines

Find Deal

Tue, Oct 7 - Sat, Oct 11

2:00 pm - 10:52 pmBTR-ONT

10h 52m2 stops

1:15 pm - 11:22 pmONT-BTR

8h 07m2 stops

$349United Airlines

Find Deal

Tue, Oct 7 - Sat, Oct 11

6:46 pm - 10:42 pmBTR-ONT

5h 56m1 stop

2:51 pm - 11:03 pmONT-BTR

6h 12m1 stop

$379American Airlines

Find Deal

Sat, Oct 25 - Tue, Oct 28

12:25 pm - 6:35 pmBTR-ONT

8h 10m2 stops

6:10 am - 1:47 pmONT-BTR

5h 37m1 stop

$384American Airlines

Find Deal

Sat, Oct 25 - Tue, Oct 28

5:30 am - 12:03 pmBTR-ONT

8h 33m2 stops

9:59 am - 10:55 pmONT-BTR

10h 56m2 stops

$387American Airlines

Find Deal

Wed, Nov 5 - Tue, Nov 11

12:25 pm - 6:35 pmBTR-ONT

8h 10m2 stops

10:09 am - 11:03 pmONT-BTR

10h 54m2 stops

$389American Airlines

Find Deal

Sat, Oct 25 - Tue, Oct 28

5:27 am - 3:42 pmBTR-ONT

12h 15m2 stops

7:18 pm - 9:39 amONT-BTR

12h 21m2 stops

$1,431Alaska Airlines

Find Deal

Sat, Dec 20 - Sun, Dec 28

American Airlines flights from Baton Rouge to Ontario

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

American Airlines

Oct 25

BTR6:46 pmBaton Rouge Ryan

5h 56m

1 stop

ONT10:42 pmOntario

Oct 28

ONT2:51 pmOntario

6h 12m

1 stop

BTR11:03 pmBaton Rouge Ryan

$379

Find similar

American Airlines

Oct 25

BTR12:25 pmBaton Rouge Ryan

8h 10m

2 stops

ONT6:35 pmOntario

Oct 28

ONT6:10 amOntario

5h 37m

1 stop

BTR1:47 pmBaton Rouge Ryan

$384

Find similar

American Airlines

Nov 5

BTR5:30 amBaton Rouge Ryan

8h 33m

2 stops

ONT12:03 pmOntario

Nov 11

ONT9:59 amOntario

10h 56m

2 stops

BTR10:55 pmBaton Rouge Ryan

$387

Find similar

United Airlines flights from Baton Rouge to Ontario

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

United Airlines

Oct 7

BTR5:00 amBaton Rouge Ryan

9h 51m

2 stops

ONT12:51 pmOntario

Oct 11

ONT6:00 amOntario

5h 10m

1 stop

BTR1:10 pmBaton Rouge Ryan

$344

Find similar

United Airlines

Oct 7

BTR2:00 pmBaton Rouge Ryan

10h 52m

2 stops

ONT10:52 pmOntario

Oct 11

ONT1:15 pmOntario

8h 07m

2 stops

BTR11:22 pmBaton Rouge Ryan

$349

Find similar

United Airlines

Jan 15

BTR3:30 pmBaton Rouge Ryan

8h 28m

1 stop

ONT9:58 pmOntario

Jan 18

ONT6:00 amOntario

5h 17m

1 stop

BTR1:17 pmBaton Rouge Ryan

$444

Find similar

Fly from

Fly to

Route

Depart

Return

Price

Baton RougeOntario

BTR - ONT

BTRONT

Baton Rouge Ryan

Wed 11/5

3:40 pm-10:22 pm

1 stop8h 42m

Ontario

Tue 11/11

10:25 pm-9:50 am

1 stop9h 25m

$289

Baton RougeOntario

BTR - ONT

BTRONT

Baton Rouge Ryan

Wed 11/5

3:40 pm-10:22 pm

1 stop8h 42m

Ontario

Tue 11/11

4:49 pm-9:50 am

2 stops15h 01m

$294

Baton RougeOntario

BTR - ONT

BTRONT

Baton Rouge Ryan

Tue 10/7

3:40 pm-10:22 pm

1 stop8h 42m

Ontario

Sat 10/11

11:36 am-9:47 pm

1 stop8h 11m

$339

Baton RougeOntario

BTR - ONT

BTRONT

Baton Rouge Ryan

Tue 10/7

5:00 am-12:51 pm

2 stops9h 51m

Ontario

Sat 10/11

6:00 am-1:10 pm

1 stop5h 10m

$344

Baton RougeOntario

BTR - ONT

BTRONT

Baton Rouge Ryan

Tue 10/7

2:00 pm-10:52 pm

2 stops10h 52m

Ontario

Sat 10/11

1:15 pm-11:22 pm

2 stops8h 07m

$349

Baton RougeOntario

BTR - ONT

BTRONT

Baton Rouge Ryan

Sat 10/25

6:46 pm-10:42 pm

1 stop5h 56m

Ontario

Tue 10/28

2:51 pm-11:03 pm

1 stop6h 12m

$379

Baton RougeOntario

BTR - ONT

BTRONT

Baton Rouge Ryan

Sat 10/25

12:25 pm-6:35 pm

2 stops8h 10m

Ontario

Tue 10/28

6:10 am-1:47 pm

1 stop5h 37m

$384

Baton RougeOntario

BTR - ONT

BTRONT

Baton Rouge Ryan

Wed 11/5

5:30 am-12:03 pm

2 stops8h 33m

Ontario

Tue 11/11

9:59 am-10:55 pm

2 stops10h 56m

$387

Baton RougeOntario

BTR - ONT

BTRONT

Baton Rouge Ryan

Sat 10/25

12:25 pm-6:35 pm

2 stops8h 10m

Ontario

Tue 10/28

10:09 am-11:03 pm

2 stops10h 54m

$389

Baton RougeOntario

BTR - ONT

BTRONT

Baton Rouge Ryan

Sat 12/20

5:27 am-3:42 pm

2 stops12h 15m

Ontario

Sun 12/28

7:18 pm-9:39 am

2 stops12h 21m

$1,431

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 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 February instead. Flights to Ontario in February, while not as cheap as those in March, still average around $313.

What is the cheapest day to depart on your flight to Ontario?

The cheapest day to depart on your flight to Ontario is on a Wednesday when prices can be found for as low as $353. This is often the case because there is less demand to fly during this day of the week. When flying out on a Friday, the most expensive travel day of the week, you can expect to see flight prices from Baton Rouge to Ontario for around $397.

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

In the afternoon is the cheapest time of day to fly from Baton Rouge to Ontario when you can find flight prices for as low as $377. Flying to Ontario in the afternoon is an ideal time because this is during off-peak travel hours. If you have a flexible travel schedule, then try to avoid flying in the morning when prices are $397 on average. Flights to Ontario from Baton Rouge in the morning are generally more expensive because this time of day is more convenient for travelers’ schedules.

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

Direct flights	None

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

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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 40m.
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 September 2025.
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 10,000 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.