ONT - BTR

$190 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
$379
Typical prices: $372-$631
Delta
Sun 12/23Sat 1/6
ONT - BTR • 1 stop
Cheapest one-way
$190
Typical prices: $267-$513
American Airlines
Wed 11/21
ONT - BTR • 1 stop
When to travel
September
Cheapest • 20% price drop
February
Most popular
Good to know
+1
Good to know
+1
Top layover airports
Atlanta Hartsfield-Jackson (ATL)
Cheapest • Avg $393 (round-trip)
Dallas/Fort Worth (DFW)
Shortest trip • 6h 14m (one-way)
Insights
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

Wed, Dec 23 - Wed, Jan 6
Delta Logo
10:35 pm - 9:56 amONT  Ontario-BTR Baton Rouge Ryan
9h 21m1 stop Atlanta Hartsfield-Jackson
Delta Logo
6:02 am - 11:55 amBTR  Baton Rouge Ryan-ONT Ontario
7h 53m1 stop Atlanta Hartsfield-Jackson
$379Delta
Thu, Dec 24 - Wed, Jan 6
Delta Logo
11:14 am - 7:52 pmONT  Ontario-BTR Baton Rouge Ryan
6h 38m1 stop Atlanta Hartsfield-Jackson
Delta Logo
6:02 am - 11:55 amBTR  Baton Rouge Ryan-ONT Ontario
7h 53m1 stop Atlanta Hartsfield-Jackson
$379Delta
Tue, Apr 6 - Sat, Apr 10
Delta Logo
12:00 pm - 10:01 pmONT  Ontario-BTR Baton Rouge Ryan
8h 01m1 stop Atlanta Hartsfield-Jackson
Delta Logo
6:00 am - 11:27 amBTR  Baton Rouge Ryan-ONT Ontario
7h 27m1 stop Atlanta Hartsfield-Jackson
$379Delta
Fri, Feb 5 - Sun, Feb 7
Delta Logo
7:05 am - 3:37 pmONT  Ontario-BTR Baton Rouge Ryan
6h 32m1 stop Atlanta Hartsfield-Jackson
Delta Logo
6:00 am - 11:55 amBTR  Baton Rouge Ryan-ONT Ontario
7h 55m1 stop Atlanta Hartsfield-Jackson
$379Delta
Thu, Dec 24 - Fri, Jan 1
American Airlines Logo
11:59 pm - 10:18 amONT  Ontario-BTR Baton Rouge Ryan
8h 19m1 stop Dallas/Fort Worth
American Airlines Logo
8:00 am - 1:31 pmBTR  Baton Rouge Ryan-ONT Ontario
7h 31m1 stop Dallas/Fort Worth
$449American Airlines
Tue, Dec 22 - Thu, Dec 31
American Airlines Logo
2:22 pm - 10:45 pmONT  Ontario-BTR Baton Rouge Ryan
6h 23m1 stop Dallas/Fort Worth
American Airlines Logo
4:50 pm - 10:22 pmBTR  Baton Rouge Ryan-ONT Ontario
7h 32m1 stop Dallas/Fort Worth
$449American Airlines
Thu, Dec 24 - Thu, Dec 31
American Airlines Logo
12:51 pm - 8:30 pmONT  Ontario-BTR Baton Rouge Ryan
5h 39m1 stop Dallas/Fort Worth
American Airlines Logo
4:50 pm - 10:22 pmBTR  Baton Rouge Ryan-ONT Ontario
7h 32m1 stop Dallas/Fort Worth
$449American Airlines
Fri, Dec 25 - Fri, Jan 1
American Airlines Logo
12:51 pm - 8:30 pmONT  Ontario-BTR Baton Rouge Ryan
5h 39m1 stop Dallas/Fort Worth
American Airlines Logo
8:00 am - 1:31 pmBTR  Baton Rouge Ryan-ONT Ontario
7h 31m1 stop Dallas/Fort Worth
$449American Airlines
Fri, Dec 25 - Thu, Dec 31
American Airlines Logo
7:00 am - 4:20 pmONT  Ontario-BTR Baton Rouge Ryan
7h 20m1 stop Dallas/Fort Worth
American Airlines Logo
4:50 pm - 10:22 pmBTR  Baton Rouge Ryan-ONT Ontario
7h 32m1 stop Dallas/Fort Worth
$449American Airlines
Wed, Dec 23 - Thu, Dec 31
American Airlines Logo
11:59 pm - 10:11 amONT  Ontario-BTR Baton Rouge Ryan
8h 12m1 stop Dallas/Fort Worth
American Airlines Logo
4:50 pm - 10:22 pmBTR  Baton Rouge Ryan-ONT Ontario
7h 32m1 stop Dallas/Fort Worth
$449American 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 with more confidence.

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

Round-trip flights from Ontario to Baton Rouge typically range from $372 to $631. The lowest price found in the past 5 days was $379, on Delta.

What's the cheapest day of the week to fly from Ontario to Baton Rouge?

Based on deals KAYAK users found in the last 12 months, Friday is the cheapest day of the week to fly from Ontario to Baton Rouge. It’s 11% cheaper than the average day, while Monday is the most expensive, with prices 35% higher.

What’s the cheapest month to fly from Ontario to Baton Rouge?

•September and November are the cheapest months to fly from Ontario to Baton Rouge at $372 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 101% 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

June

Cheapest flight

$190
Beat the crowds with an average 38% drop in travelers.
The most popular month to fly with an average 46% increase in travelers.
One-way 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 answers about this route, including flight times, airports, airlines and booking tips.

  • 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.

  • 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 14m and 7h 56m 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.

  • 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 $631, with an average of $465 over the past 12 months. Anything below $372 counts as a good deal.

  • 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 $379 to $3,633. 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 lower than usual. Average one-way flight prices are about $228, which is 51% below the typical average for this route.

  • 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 averaging $78 for economy cars. Top options include:

    • Budget
    • Hertz
    • Dollar
    • Enterprise Rent-A-Car
    • Avis

  • 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).

  • 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) - 14% of one-stop connections
    • Atlanta Hartsfield-Jackson (ATL) - 4% of one-stop connections

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

    Yes. Flexible dates can save you up to 34% on flights from Ontario to Baton Rouge. Friday is the cheapest departure day at $418 round-trip on average, while Monday is the most expensive at $631, a difference of $213.

    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 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 14m, compared with 6h 44m via Houston George Bush Intcntl (IAH) and 7h 56m 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.

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.
  • If your dates are flexible, aim for a Friday departure and avoid flying on Monday. On this route, Friday flights average $418, about $213 less than Monday fares (34% savings) based on the last 12 months.
  • If you can choose when to travel, plan your Ontario to Baton Rouge trip for September. Fares historically average $372 round-trip in that month - typically $377 less than the most expensive month, which is May (based on the last 12 months).
  • If you're arriving late at night and need somewhere to stay, check out these hotels close to Baton Rouge Ryan Airport.

    • Microtel Inn & Suites by Wyndham Baton Rouge Airport
    • SpringHill Suites by Marriott Baton Rouge North/Airport
    • Hilton Garden Inn Baton Rouge Airport

More options for your flight from Ontario to Baton Rouge

Complete your trip to Baton Rouge with a hotel stay or car rental

Car rentals in Baton Rouge
Hotels in Baton Rouge
Vacations in Baton Rouge