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Cheap flights from Baton Rouge to Los Angeles from $254

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 5/9. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
0 bags

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Find the cheapest flights from Baton Rouge to Los Angeles

Cheap round-trip flights

Enter your travel dates to find the best prices.
United Airlines Logo
4:06 pm - 9:58 pm
BTR
-
ONT
7h 52m
1 stop
United Airlines Logo
6:00 am - 1:23 pm
ONT
-
BTR
5h 23m
1 stop
$369United Airlines
Thu, May 7 - Tue, May 12
Delta Logo
1:45 pm - 9:00 pm
BTR
-
ONT
9h 15m
1 stop
Delta Logo
5:55 pm - 9:45 am
ONT
-
BTR
13h 50m
2 stops
$374Delta
Wed, Apr 15 - Sat, May 9
Delta Logo
1:37 pm - 11:34 pm
BTR
-
ONT
11h 57m
2 stops
Delta Logo
9:50 am - 10:00 pm
ONT
-
BTR
10h 10m
2 stops
$379Delta
Thu, May 7 - Tue, May 12
Delta Logo
1:36 pm - 9:00 pm
BTR
-
ONT
9h 24m
1 stop
Delta Logo
10:15 pm - 9:46 am
ONT
-
BTR
9h 31m
1 stop
$394Delta
Sat, Apr 11 - Wed, Apr 15
Delta Logo
6:07 am - 4:28 pm
BTR
-
ONT
12h 21m
2 stops
Delta Logo
12:49 pm - 9:56 pm
ONT
-
BTR
7h 07m
1 stop
$399Delta
Sat, Apr 11 - Wed, Apr 15
American Airlines Logo
10:35 am - 7:34 pm
BTR
-
ONT
10h 59m
2 stops
American Airlines Logo
12:19 pm - 10:46 pm
ONT
-
BTR
8h 27m
2 stops
$404American Airlines
Sat, Apr 11 - Wed, Apr 15
American Airlines Logo
4:53 pm - 10:36 pm
BTR
-
ONT
7h 43m
1 stop
American Airlines Logo
2:08 pm - 10:46 pm
ONT
-
BTR
6h 38m
1 stop
$419American Airlines
Sat, Apr 11 - Wed, Apr 15
Delta Logo
6:07 am - 4:28 pm
BTR
-
ONT
12h 21m
2 stops
Delta Logo
10:15 pm - 9:46 am
ONT
-
BTR
9h 31m
1 stop
$424Delta
Sat, Apr 11 - Wed, Apr 15
American Airlines Logo
10:35 am - 4:22 pm
BTR
-
ONT
7h 47m
2 stops
American Airlines Logo
12:19 pm - 10:46 pm
ONT
-
BTR
8h 27m
2 stops
$429American Airlines
Sat, Apr 11 - Wed, Apr 15
Delta Logo
4:00 pm - 11:44 pm
BTR
-
ONT
9h 44m
2 stops
Delta Logo
5:55 pm - 9:45 am
ONT
-
BTR
13h 50m
2 stops
$434Delta
Wed, Apr 15 - Sat, May 9

United Airlines flights from Baton Rouge to Ontario

Our best United Airlines deals on Baton Rouge to Ontario flight tickets
United Airlines
May 7
BTR4:06 pmBaton Rouge Ryan
7h 52m
1 stop
ONT9:58 pmOntario
May 12
ONT6:00 amOntario
5h 23m
1 stop
BTR1:23 pmBaton Rouge Ryan
$369
United Airlines
May 15
BTR6:15 pmBaton Rouge Ryan
5h 43m
1 stop
ONT9:58 pmOntario
May 16
ONT6:00 amOntario
7h 31m
1 stop
BTR3:31 pmBaton Rouge Ryan
$469
United Airlines
May 12
BTR5:00 amBaton Rouge Ryan
14h 52m
2 stops
ONT5:52 pmOntario
May 16
ONT6:00 amOntario
5h 23m
1 stop
BTR1:23 pmBaton Rouge Ryan
$474

Delta flights from Baton Rouge to Ontario

Our best Delta deals on Baton Rouge to Ontario flight tickets
Delta
Apr 15
BTR1:45 pmBaton Rouge Ryan
9h 15m
1 stop
ONT9:00 pmOntario
May 9
ONT5:55 pmOntario
13h 50m
2 stops
BTR9:45 amBaton Rouge Ryan
$374
Delta
May 7
BTR1:37 pmBaton Rouge Ryan
11h 57m
2 stops
ONT11:34 pmOntario
May 12
ONT9:50 amOntario
10h 10m
2 stops
BTR10:00 pmBaton Rouge Ryan
$379
Delta
Apr 11
BTR1:36 pmBaton Rouge Ryan
9h 24m
1 stop
ONT9:00 pmOntario
Apr 15
ONT10:15 pmOntario
9h 31m
1 stop
BTR9:46 amBaton Rouge Ryan
$394

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 March 28, 2026.
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

Cheapest round-trip
Quickest round-trip

Baton RougeOntario

BTR - ONT

BTRONT

Baton Rouge Ryan

Thu 5/7

4:06 pm-9:58 pm

1 stop7h 52m

Ontario

Tue 5/12

6:00 am-1:23 pm

1 stop5h 23m

$369

Baton RougeOntario

BTR - ONT

BTRONT

Baton Rouge Ryan

Wed 4/15

1:45 pm-9:00 pm

1 stop9h 15m

Ontario

Sat 5/9

5:55 pm-9:45 am

2 stops13h 50m

$374

Baton RougeOntario

BTR - ONT

BTRONT

Baton Rouge Ryan

Thu 5/7

1:37 pm-11:34 pm

2 stops11h 57m

Ontario

Tue 5/12

9:50 am-10:00 pm

2 stops10h 10m

$379

Baton RougeOntario

BTR - ONT

BTRONT

Baton Rouge Ryan

Sat 4/11

1:36 pm-9:00 pm

1 stop9h 24m

Ontario

Wed 4/15

10:15 pm-9:46 am

1 stop9h 31m

$394

Baton RougeOntario

BTR - ONT

BTRONT

Baton Rouge Ryan

Sat 4/11

6:07 am-4:28 pm

2 stops12h 21m

Ontario

Wed 4/15

12:49 pm-9:56 pm

1 stop7h 07m

$399

Baton RougeOntario

BTR - ONT

BTRONT

Baton Rouge Ryan

Sat 4/11

10:35 am-7:34 pm

2 stops10h 59m

Ontario

Wed 4/15

12:19 pm-10:46 pm

2 stops8h 27m

$404

Baton RougeOntario

BTR - ONT

BTRONT

Baton Rouge Ryan

Sat 4/11

4:53 pm-10:36 pm

1 stop7h 43m

Ontario

Wed 4/15

2:08 pm-10:46 pm

1 stop6h 38m

$419

Baton RougeOntario

BTR - ONT

BTRONT

Baton Rouge Ryan

Sat 4/11

6:07 am-4:28 pm

2 stops12h 21m

Ontario

Wed 4/15

10:15 pm-9:46 am

1 stop9h 31m

$424

Baton RougeOntario

BTR - ONT

BTRONT

Baton Rouge Ryan

Sat 4/11

10:35 am-4:22 pm

2 stops7h 47m

Ontario

Wed 4/15

12:19 pm-10:46 pm

2 stops8h 27m

$429

Baton RougeOntario

BTR - ONT

BTRONT

Baton Rouge Ryan

Wed 4/15

4:00 pm-11:44 pm

2 stops9h 44m

Ontario

Sat 5/9

5:55 pm-9:45 am

2 stops13h 50m

$434

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 typical price of a round-trip flight between Baton Rouge and Ontario?

Can stopping save me money on Baton Rouge to Ontario flights?

You could potentially save up to 47% on your flight if you consider stops on a Baton Rouge to Ontario flight.

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 45m

Direct flights

None
The fastest flight from Baton Rouge to Ontario takes 5h 45m
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 45m.

  • 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
7.1
11,520 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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