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Cheap flights from Baton Rouge to Los Angeles from $199

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Baton Rouge to Los Angeles departing on 9/1. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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0 bags

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Find the cheapest flights from Baton Rouge to Los Angeles

Cheap round-trip flights

American Airlines Logo
5:45 am - 9:59 amBTR-ONT
6h 14m1 stop
American Airlines Logo
8:14 am - 3:53 pmONT-BTR
5h 39m1 stop
$293American Airlines
Find Deal
Sun, Aug 24 - Sat, Aug 30
American Airlines Logo
6:19 pm - 12:08 amBTR-ONT
7h 49m1 stop
American Airlines Logo
12:22 pm - 10:45 pmONT-BTR
8h 23m2 stops
$390American Airlines
Find Deal
Sun, Aug 24 - Sat, Aug 30
United Airlines Logo
4:03 pm - 9:25 pmBTR-ONT
7h 22m1 stop
United Airlines Logo
6:04 am - 1:19 pmONT-BTR
5h 15m1 stop
$404United Airlines
Find Deal
Wed, Aug 20 - Mon, Aug 25
United Airlines Logo
9:45 am - 8:43 pmBTR-ONT
12h 58m2 stops
United Airlines Logo
6:04 am - 1:19 pmONT-BTR
5h 15m1 stop
$409United Airlines
Find Deal
Wed, Aug 20 - Mon, Aug 25
United Airlines Logo
5:00 am - 12:32 pmBTR-ONT
9h 32m2 stops
United Airlines Logo
6:04 am - 3:22 pmONT-BTR
7h 18m1 stop
$445United Airlines
Find Deal
Sun, Aug 24 - Sat, Aug 30
United Airlines Logo
12:05 pm - 8:33 pmBTR-ONT
10h 28m2 stops
United Airlines Logo
6:04 am - 3:22 pmONT-BTR
7h 18m1 stop
$484United Airlines
Find Deal
Fri, Aug 22 - Mon, Aug 25
United Airlines Logo
4:05 pm - 9:24 pmBTR-ONT
7h 19m1 stop
United Airlines Logo
6:00 am - 11:14 amONT-BTR
27h 14m1 stop
$489United Airlines
Find Deal
Mon, Sep 29 - Fri, Oct 3
United Airlines Logo
4:05 pm - 9:24 pmBTR-ONT
7h 19m1 stop
United Airlines Logo
1:15 pm - 11:22 pmONT-BTR
8h 07m2 stops
$492United Airlines
Find Deal
Mon, Sep 29 - Fri, Oct 3
United Airlines Logo
2:00 pm - 10:52 pmBTR-ONT
10h 52m2 stops
United Airlines Logo
6:04 am - 11:11 amONT-BTR
27h 07m1 stop
$537United Airlines
Find Deal
Mon, Aug 18 - Fri, Aug 22
Delta Logo
4:38 pm - 10:20 pmBTR-ONT
7h 42m1 stop
Delta Logo
11:45 am - 10:13 pmONT-BTR
8h 28m1 stop
$565Delta
Find Deal
Mon, Aug 18 - Fri, Aug 22

American Airlines flights from Baton Rouge to Ontario

Our best American Airlines deals on Baton Rouge to Ontario flight tickets
American Airlines
Aug 24
BTR5:45 amBaton Rouge Ryan
6h 14m
1 stop
ONT9:59 amOntario
Aug 30
ONT8:14 amOntario
5h 39m
1 stop
BTR3:53 pmBaton Rouge Ryan
$293
Find similar
American Airlines
Aug 24
BTR6:19 pmBaton Rouge Ryan
7h 49m
1 stop
ONT12:08 amOntario
Aug 30
ONT12:22 pmOntario
8h 23m
2 stops
BTR10:45 pmBaton Rouge Ryan
$390
Find similar
American Airlines
Aug 9
BTR7:17 amBaton Rouge Ryan
6h 35m
1 stop
ONT11:52 amOntario
Aug 12
ONT2:57 pmOntario
5h 48m
1 stop
BTR10:45 pmBaton Rouge Ryan
$509
Find similar

United Airlines flights from Baton Rouge to Ontario

Our best United Airlines deals on Baton Rouge to Ontario flight tickets
United Airlines
Aug 20
BTR4:03 pmBaton Rouge Ryan
7h 22m
1 stop
ONT9:25 pmOntario
Aug 25
ONT6:04 amOntario
5h 15m
1 stop
BTR1:19 pmBaton Rouge Ryan
$404
Find similar
United Airlines
Aug 20
BTR9:45 amBaton Rouge Ryan
12h 58m
2 stops
ONT8:43 pmOntario
Aug 25
ONT6:04 amOntario
5h 15m
1 stop
BTR1:19 pmBaton Rouge Ryan
$409
Find similar
United Airlines
Aug 24
BTR5:00 amBaton Rouge Ryan
9h 32m
2 stops
ONT12:32 pmOntario
Aug 30
ONT6:04 amOntario
7h 18m
1 stop
BTR3:22 pmBaton Rouge Ryan
$445
Find similar

momondo Fare Finder

 
Customize your flight search to find flights from Baton Rouge to Ontario that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, momondo users made 832,500 searches. Data last updated August 4, 2025.
Use the filters below to find and compare flights from Baton Rouge to Ontario that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Baton RougeOntario

BTR - ONT

BTRONT

Baton Rouge Ryan

Sun 8/24

5:45 am-9:59 am

1 stop6h 14m

Ontario

Sat 8/30

8:14 am-3:53 pm

1 stop5h 39m

$293

Baton RougeOntario

BTR - ONT

BTRONT

Baton Rouge Ryan

Sun 8/24

6:19 pm-12:08 am

1 stop7h 49m

Ontario

Sat 8/30

12:22 pm-10:45 pm

2 stops8h 23m

$390

Baton RougeOntario

BTR - ONT

BTRONT

Baton Rouge Ryan

Wed 8/20

4:03 pm-9:25 pm

1 stop7h 22m

Ontario

Mon 8/25

6:04 am-1:19 pm

1 stop5h 15m

$404

Baton RougeOntario

BTR - ONT

BTRONT

Baton Rouge Ryan

Wed 8/20

9:45 am-8:43 pm

2 stops12h 58m

Ontario

Mon 8/25

6:04 am-1:19 pm

1 stop5h 15m

$409

Baton RougeOntario

BTR - ONT

BTRONT

Baton Rouge Ryan

Sun 8/24

5:00 am-12:32 pm

2 stops9h 32m

Ontario

Sat 8/30

6:04 am-3:22 pm

1 stop7h 18m

$445

Baton RougeOntario

BTR - ONT

BTRONT

Baton Rouge Ryan

Fri 8/22

12:05 pm-8:33 pm

2 stops10h 28m

Ontario

Mon 8/25

6:04 am-3:22 pm

1 stop7h 18m

$484

Baton RougeOntario

BTR - ONT

BTRONT

Baton Rouge Ryan

Mon 9/29

4:05 pm-9:24 pm

1 stop7h 19m

Ontario

Fri 10/3

6:00 am-11:14 am

1 stop27h 14m

$489

Baton RougeOntario

BTR - ONT

BTRONT

Baton Rouge Ryan

Mon 9/29

4:05 pm-9:24 pm

1 stop7h 19m

Ontario

Fri 10/3

1:15 pm-11:22 pm

2 stops8h 07m

$492

Baton RougeOntario

BTR - ONT

BTRONT

Baton Rouge Ryan

Mon 8/18

2:00 pm-10:52 pm

2 stops10h 52m

Ontario

Fri 8/22

6:04 am-11:11 am

1 stop27h 07m

$537

Baton RougeOntario

BTR - ONT

BTRONT

Baton Rouge Ryan

Mon 8/18

4:38 pm-10:20 pm

1 stop7h 42m

Ontario

Fri 8/22

11:45 am-10:13 pm

1 stop8h 28m

$565

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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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

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

Best Price Found

$199

Fastest flight time

6h 14m

Direct flights

None

Airports in Ontario

1 airport
The best one-way flight to Ontario from Baton Rouge in the past 72 hours is $199. The best round-trip flight deal from Baton Rouge to Ontario found on momondo in the last 72 hours is $293.
The fastest flight from Baton Rouge to Ontario takes 6h 14m
There are no direct flights from Baton Rouge to Ontario. Popular non-direct route for this connection is Baton Rouge Ryan Airport - Ontario Airport.
There is 1 airport near Ontario: Ontario (ONT)
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 6h 14m.

  • 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?

  • 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?

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 AirlinesPriceFrom $288Free CancellationRating
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.

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