ONT - BTR

$340 Find Cheap Flights from Ontario to Baton Rouge - Compare and Save

1 adult
1 adult, Economy, 0 bags

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Everything you should know

Cheapest round-trip
$359
Typical prices: $372-$651
American Airlines
Wed 10/17Sun 10/21
ONT - BTR • 1 stop
Cheapest one-way
$239
Typical prices: $239-$513
Delta
Wed 12/5
ONT - BTR • 1 stop
When to travel
August
Cheapest • 25% price drop
February
Most popular
Good to know
+1
Good to know
+1
Top layover airports
Atlanta Hartsfield-Jackson (ATL)
Cheapest • Avg $411 (round-trip)
Dallas/Fort Worth (DFW)
Shortest trip • 6h 16m (one-way)
Insights
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Flight Deals

Cheap Flights from Ontario to Baton Rouge (ONT-BTR)

 
Discover the best prices for you by selecting your travel dates on KAYAK.

Recent round-trip flight deals from Ontario to Baton Rouge

Sat, Oct 17 - Wed, Oct 21
American Airlines Logo
7:00 am - 4:55 pmONT  Ontario-BTR Baton Rouge Ryan
7h 55m1 stop Dallas/Fort Worth
American Airlines Logo
8:00 am - 1:30 pmBTR  Baton Rouge Ryan-ONT Ontario
7h 30m1 stop Dallas/Fort Worth
$359American Airlines
Wed, Sep 30 - Wed, Oct 7
American Airlines Logo
12:37 pm - 10:53 pmONT  Ontario-BTR Baton Rouge Ryan
8h 16m1 stop Dallas/Fort Worth
American Airlines Logo
7:52 pm - 11:52 pmBTR  Baton Rouge Ryan-ONT Ontario
6h 00m1 stop Dallas/Fort Worth
$359American Airlines
Fri, Nov 13 - Sat, Nov 14
Delta Logo
12:18 pm - 10:02 pmONT  Ontario-BTR Baton Rouge Ryan
7h 44m1 stop Atlanta Hartsfield-Jackson
Delta Logo
6:00 am - 11:08 amBTR  Baton Rouge Ryan-ONT Ontario
7h 08m1 stop Atlanta Hartsfield-Jackson
$359Delta
Fri, Dec 4 - Mon, Dec 7
Delta Logo
12:20 pm - 10:08 pmONT  Ontario-BTR Baton Rouge Ryan
7h 48m1 stop Atlanta Hartsfield-Jackson
Delta Logo
1:52 pm - 9:56 pmBTR  Baton Rouge Ryan-ONT Ontario
10h 04m1 stop Atlanta Hartsfield-Jackson
$359Delta
Fri, Sep 18 - Mon, Sep 21
United Airlines Logo
7:13 pm - 11:13 amONT  Ontario-BTR Baton Rouge Ryan
14h 00m2 stops San Francisco Houston George Bush Intcntl
United Airlines Logo
6:14 pm - 9:59 pmBTR  Baton Rouge Ryan-ONT Ontario
5h 45m1 stop Houston George Bush Intcntl
$391United Airlines
Fri, Sep 18 - Mon, Sep 21
American Airlines Logo
2:22 pm - 10:53 pmONT  Ontario-BTR Baton Rouge Ryan
6h 31m1 stop Dallas/Fort Worth
American Airlines Logo
6:42 pm - 10:37 pmBTR  Baton Rouge Ryan-ONT Ontario
5h 55m1 stop Dallas/Fort Worth
$419American Airlines
Fri, Sep 18 - Mon, Sep 21
United Airlines Logo
7:13 pm - 8:43 amONT  Ontario-BTR Baton Rouge Ryan
11h 30m2 stops San Francisco Houston George Bush Intcntl
United Airlines Logo
2:05 pm - 10:51 pmBTR  Baton Rouge Ryan-ONT Ontario
10h 46m2 stops Houston George Bush Intcntl San Francisco
$420United Airlines
Wed, Sep 16 - Sun, Sep 20
American Airlines Logo
7:20 am - 4:54 pmONT  Ontario-BTR Baton Rouge Ryan
7h 34m1 stop Dallas/Fort Worth
American Airlines Logo
7:47 pm - 11:36 pmBTR  Baton Rouge Ryan-ONT Ontario
5h 49m1 stop Dallas/Fort Worth
$429American Airlines
Sat, Oct 17 - Wed, Oct 21
United Airlines Logo
6:00 am - 3:32 pmONT  Ontario-BTR Baton Rouge Ryan
7h 32m1 stop Houston George Bush Intcntl
United Airlines Logo
12:05 pm - 10:51 pmBTR  Baton Rouge Ryan-ONT Ontario
12h 46m2 stops Houston George Bush Intcntl San Francisco
$439United Airlines
Mon, Sep 28 - Mon, Oct 5
American Airlines Logo
2:22 pm - 10:53 pmONT  Ontario-BTR Baton Rouge Ryan
6h 31m1 stop Dallas/Fort Worth
American Airlines Logo
7:38 pm - 11:52 pmBTR  Baton Rouge Ryan-ONT Ontario
6h 14m1 stop Dallas/Fort Worth
$439American Airlines
Booking Insights

Price, demand and travel trends for Ontario to Baton Rouge flights

Use KAYAK data on prices, travel dates, airlines and seasonal trends to compare options and book flights from Ontario to Baton Rouge with more confidence.

How much is a round-trip flight from Ontario to Baton Rouge?

Round-trip flights from Ontario to Baton Rouge start at $359. Prices are below average for this route right now, with typical round-trip fares ranging from $372 to $651. The lowest price found in the past 5 days was $359 on American Airlines.

What is the cheapest month to fly from Ontario to Baton Rouge?

  • August is the cheapest month to fly from Ontario to Baton Rouge at $348 round-trip.
  • May ($749) and April ($716) are the most expensive months.
  • The price difference between flying in the cheapest and most expensive months is 115% on average.
This is based on KAYAK aggregated and averaged internal data over the past 12 months.

Find deals

Key details for Ontario to Baton Rouge flights

Low season

October

Cheapest flight

$239
Best time to beat the crowds with an average 3% drop in price.
Most popular time to fly and prices are also 15% lower on average.
Flight from Ontario to Baton Rouge

When to book flights from Ontario to Baton Rouge

Are your dates flexible? Find out the best times to travel from Ontario to Baton Rouge based on our flight data from the last year. Discover the cheapest month and even day to fly.
Estimated round-trip price

Your Ontario to Baton Rouge flight questions, answered

Find helpful route details based on KAYAK data, including flight times, airports, airlines and booking questions.

  • Which airports can I use when flying from Ontario to Baton Rouge?

    Flights from Ontario to Baton Rouge usually depart from Ontario (ONT) and arrive at Baton Rouge Ryan (BTR).

  • What cabin classes can I book on flights from Ontario to Baton Rouge?

    Only Economy Class is available on flights from Ontario to Baton Rouge.

  • Which airports do connecting flights from Ontario to Baton Rouge pass through?

    One-stop flights from Ontario to Baton Rouge most commonly connect through:

    • Dallas/Fort Worth (DFW) - 82% of one-stop connections
    • Houston George Bush Intcntl (IAH) - 11% of one-stop connections
    • Atlanta Hartsfield-Jackson (ATL) - 7% of one-stop connections

    Dallas/Fort Worth (DFW) handles the largest share of one-stop connections on this route.

  • Can I save money by using flexible dates for flights from Ontario to Baton Rouge?

    Yes. Being flexible with your travel dates can save you up to 17% on the Ontario to Baton Rouge route. Friday is the cheapest departure day at $423 round-trip on average, while Wednesday is the most expensive at $508, a difference of $85. KAYAK's flexible dates feature shows options up to 3 days before and after your selected dates, making it easier to compare nearby fares.

  • How long is a flight from Ontario to Baton Rouge?

    There are currently no nonstop flights available from Ontario to Baton Rouge. Flights with 1 layover take between 6h 16m and 8h 04m in total, depending on the connection.

  • Do I need a passport to fly from Ontario to Baton Rouge?

    No, a passport is not required for this domestic route, but you will need a real ID-compliant driver's license, a state ID, or another TSA-accepted form of identification.

  • Have flight prices from Ontario to Baton Rouge changed much recently?

    Yes. Based on fares seen in the past 5 days, round-trip prices on this route showed a wide range, from about $359 to $3,485. That means the highest observed fare was about 10x higher than the lowest one.

  • How are flight prices from Ontario to Baton Rouge looking right now?

    One-way fares from Ontario to Baton Rouge are currently higher than usual. Average one-way flight prices are about $460, which is 21% above the typical average for this route.

  • How much time can I save by choosing a different layover airport from Ontario to Baton Rouge?

    Flying via Dallas/Fort Worth (DFW) gives the shortest average 1-stop total travel time at 6h 16m, compared with 6h 44m via Houston George Bush Intcntl (IAH) and 8h 04m via Atlanta Hartsfield-Jackson (ATL).

  • What is the time difference between Ontario and Baton Rouge?

    Baton Rouge is 2 hours ahead of Ontario (Central Time vs Pacific Time). Plan for the time shift when scheduling connections or first-day activities.

  • What car rental options are available at Baton Rouge Ryan Airport (BTR)?

    Baton Rouge Ryan Airport (BTR) hosts 5 major car rental companies, with daily rates starting from around $30 for economy cars. Top options include:
    · Budget
    · Hertz
    · Dollar
    · Enterprise Rent-A-Car
    · Avis

  • How much should I expect to pay for a Ontario to Baton Rouge flight?

    Round-trip flights from Ontario to Baton Rouge range from $372 to $651, with an average of $465 over the past 12 months. Anything below $372 counts as a good deal.

Your guide to booking Ontario to Baton Rouge flights

Get tips on when to book, when to fly and what to know before your trip.

Everything you need to know for your flight from Ontario to Baton Rouge

Information on your arrival and departure airports

Ontario (ONT)
Baton Rouge (BTR)