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Cheap flights from Baton Rouge to Los Angeles from $330

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 7/7. 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.
American Airlines Logo
7:36 pm - 11:59 pm
BTR
-
ONT
6h 23m
1 stop
American Airlines Logo
1:10 pm - 10:57 pm
ONT
-
BTR
7h 47m
2 stops
$354American Airlines
Tue, Jun 30 - Tue, Jul 7
Delta Logo
6:00 am - 11:04 am
BTR
-
ONT
7h 04m
1 stop
Delta Logo
10:59 pm - 9:34 am
ONT
-
BTR
8h 35m
1 stop
$359Delta
Sat, Sep 12 - Sun, Sep 20
American Airlines Logo
5:08 pm - 9:12 pm
BTR
-
ONT
6h 04m
1 stop
American Airlines Logo
2:43 pm - 10:55 pm
ONT
-
BTR
6h 12m
1 stop
$360American Airlines
Sat, Aug 15 - Sat, Aug 22
United Airlines Logo
6:09 pm - 9:55 pm
BTR
-
ONT
5h 46m
1 stop
United Airlines Logo
5:45 am - 3:34 pm
ONT
-
BTR
7h 49m
1 stop
$386United Airlines
Thu, Jun 25 - Sat, Jun 27
Delta Logo
3:20 pm - 10:14 pm
BTR
-
ONT
8h 54m
1 stop
Delta Logo
12:00 pm - 10:01 pm
ONT
-
BTR
8h 01m
1 stop
$389Delta
Wed, Oct 7 - Tue, Oct 20
American Airlines Logo
7:36 pm - 11:59 pm
BTR
-
ONT
6h 23m
1 stop
American Airlines Logo
5:34 am - 1:42 pm
ONT
-
BTR
6h 08m
1 stop
$407American Airlines
Tue, Jun 30 - Tue, Jul 7
American Airlines Logo
11:16 am - 6:21 pm
BTR
-
ONT
9h 05m
2 stops
American Airlines Logo
1:10 pm - 10:57 pm
ONT
-
BTR
7h 47m
2 stops
$418American Airlines
Tue, Jun 30 - Tue, Jul 7
Delta Logo
4:00 pm - 9:50 pm
BTR
-
ONT
7h 50m
1 stop
Delta Logo
10:00 pm - 9:39 am
ONT
-
BTR
9h 39m
1 stop
$419Delta
Wed, Jul 22 - Wed, Jul 29
American Airlines Logo
7:36 pm - 11:59 pm
BTR
-
ONT
6h 23m
1 stop
American Airlines Logo
1:10 pm - 10:59 pm
ONT
-
BTR
7h 49m
2 stops
$424American Airlines
Tue, May 26 - Sat, May 30
American Airlines Logo
7:36 pm - 11:59 pm
BTR
-
ONT
6h 23m
1 stop
American Airlines Logo
5:34 am - 3:58 pm
ONT
-
BTR
8h 24m
1 stop
$449American Airlines
Tue, Jun 30 - Sat, Jul 4

American Airlines flights from Baton Rouge to Ontario

Our best American Airlines deals on Baton Rouge to Ontario flight tickets
American Airlines
Jun 30
BTR7:36 pmBaton Rouge Ryan
6h 23m
1 stop
ONT11:59 pmOntario
Jul 7
ONT1:10 pmOntario
7h 47m
2 stops
BTR10:57 pmBaton Rouge Ryan
$354
American Airlines
Aug 15
BTR5:08 pmBaton Rouge Ryan
6h 04m
1 stop
ONT9:12 pmOntario
Aug 22
ONT2:43 pmOntario
6h 12m
1 stop
BTR10:55 pmBaton Rouge Ryan
$360
American Airlines
Jun 30
BTR7:36 pmBaton Rouge Ryan
6h 23m
1 stop
ONT11:59 pmOntario
Jul 7
ONT5:34 amOntario
6h 08m
1 stop
BTR1:42 pmBaton Rouge Ryan
$407

United Airlines flights from Baton Rouge to Ontario

Our best United Airlines deals on Baton Rouge to Ontario flight tickets
United Airlines
Jun 25
BTR6:09 pmBaton Rouge Ryan
5h 46m
1 stop
ONT9:55 pmOntario
Jun 27
ONT5:45 amOntario
7h 49m
1 stop
BTR3:34 pmBaton Rouge Ryan
$386
United Airlines
Aug 15
BTR4:07 pmBaton Rouge Ryan
7h 52m
1 stop
ONT9:59 pmOntario
Aug 22
ONT7:13 pmOntario
11h 30m
2 stops
BTR8:43 amBaton Rouge Ryan
$454
United Airlines
Jul 21
BTR4:09 pmBaton Rouge Ryan
7h 46m
1 stop
ONT9:55 pmOntario
Jul 25
ONT5:45 amOntario
7h 49m
1 stop
BTR3:34 pmBaton Rouge Ryan
$459

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 May 11, 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

Baton RougeOntario

BTR - ONT

BTRONT

Baton Rouge Ryan

Tue 6/30

7:36 pm-11:59 pm

1 stop6h 23m

Ontario

Tue 7/7

1:10 pm-10:57 pm

2 stops7h 47m

$354

Baton RougeOntario

BTR - ONT

BTRONT

Baton Rouge Ryan

Sat 9/12

6:00 am-11:04 am

1 stop7h 04m

Ontario

Sun 9/20

10:59 pm-9:34 am

1 stop8h 35m

$359
Quickest round-trip

Baton RougeOntario

BTR - ONT

BTRONT

Baton Rouge Ryan

Sat 8/15

5:08 pm-9:12 pm

1 stop6h 04m

Ontario

Sat 8/22

2:43 pm-10:55 pm

1 stop6h 12m

$360

Baton RougeOntario

BTR - ONT

BTRONT

Baton Rouge Ryan

Thu 6/25

6:09 pm-9:55 pm

1 stop5h 46m

Ontario

Sat 6/27

5:45 am-3:34 pm

1 stop7h 49m

$386

Baton RougeOntario

BTR - ONT

BTRONT

Baton Rouge Ryan

Wed 10/7

3:20 pm-10:14 pm

1 stop8h 54m

Ontario

Tue 10/20

12:00 pm-10:01 pm

1 stop8h 01m

$389

Baton RougeOntario

BTR - ONT

BTRONT

Baton Rouge Ryan

Tue 6/30

7:36 pm-11:59 pm

1 stop6h 23m

Ontario

Tue 7/7

5:34 am-1:42 pm

1 stop6h 08m

$407

Baton RougeOntario

BTR - ONT

BTRONT

Baton Rouge Ryan

Tue 6/30

11:16 am-6:21 pm

2 stops9h 05m

Ontario

Tue 7/7

1:10 pm-10:57 pm

2 stops7h 47m

$418

Baton RougeOntario

BTR - ONT

BTRONT

Baton Rouge Ryan

Wed 7/22

4:00 pm-9:50 pm

1 stop7h 50m

Ontario

Wed 7/29

10:00 pm-9:39 am

1 stop9h 39m

$419

Baton RougeOntario

BTR - ONT

BTRONT

Baton Rouge Ryan

Tue 5/26

7:36 pm-11:59 pm

1 stop6h 23m

Ontario

Sat 5/30

1:10 pm-10:59 pm

2 stops7h 49m

$424

Baton RougeOntario

BTR - ONT

BTRONT

Baton Rouge Ryan

Tue 6/30

7:36 pm-11:59 pm

1 stop6h 23m

Ontario

Sat 7/4

5:34 am-3:58 pm

1 stop8h 24m

$449

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?

What is the cheapest month to fly to Ontario?

In general, August 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 $433. If you aren’t able to travel during the month of August, then book flights to Ontario from Baton Rouge during September instead. Flights to Ontario in September, while not as cheap as those in August, still average around $435.

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

You could potentially save up to 17% 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 44m

Direct flights

None
The fastest flight from Baton Rouge to Ontario takes 5h 44m
There are no direct flights from Baton Rouge to Ontario. There are no popular flight routes from Baton Rouge to Ontario.
Search flight deals

Frequently asked questions about flying from Baton Rouge to Ontario

  • 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 44m.

  • 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
11,665 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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