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Find cheap one-way flights from Baton Rouge to Ontario starting at US$194.

For as little as US$194, you can take your next adventure to Ontario without breaking the bank. Choose between one-way and return tickets from Baton Rouge below.

  • One way
  • Round-trip

Crossed out prices are calculated based on the average price of the corresponding route on Trip.com.

Baton Rouge to Los Angeles Flight time & Schedules

Flight info.
Departure
Arrival
Weekly Schedule
  1. UA6107

    05:05

    BTR

    1.4h

    06:30

    IAH

    SMTWTFS
  2. F93131

    12:07

    IAH

    3.6h

    13:43

    ONT

    S-T-T--
  3. UA6107

    05:05

    BTR

    1.4h

    06:30

    IAH

    SMTWTFS
  4. UA2433

    07:20

    IAH

    2.6h

    08:55

    DEN

    SMTWTFS
  5. UA430

    11:15

    DEN

    2.3h

    12:31

    ONT

    SMTWTFS
  6. AA3343

    05:30

    BTR

    1.7h

    07:13

    DFW

    SMTWTFS
  7. AA1820

    08:42

    DFW

    3.1h

    09:50

    ONT

    SMTWTFS
  8. DL966

    06:05

    BTR

    1.7h

    08:45

    ATL

    SMTWTFS
  9. DL665

    09:40

    ATL

    4.7h

    11:24

    ONT

    SMTWTFS
  10. AA5430

    15:31

    BTR

    1.6h

    17:05

    DFW

    SMTWTFS
  11. AA3006

    17:20

    DFW

    3.1h

    18:24

    ONT

    SMTWTFS
  12. AA4911

    16:58

    BTR

    1.7h

    18:39

    DFW

    SMTWT-S
  13. AA3181

    21:00

    DFW

    3.3h

    22:16

    ONT

    SMTWTFS
  14. UA4837

    17:25

    BTR

    1.4h

    18:51

    IAH

    SMTWTFS
  15. UA1563

    19:50

    IAH

    3.3h

    21:10

    ONT

    SMTWTFS

When is the cheapest time to book flights from Baton Rouge to Ontario?

These price trend charts carefully monitor and predict how flight prices from Baton Rouge to Ontario will change. Keep a close eye on them to understand when the best time to buy your tickets is.

Displayed prices are calculated based on the cheapest average weekly prices of the corresponding route on Trip.com.

Frequently Asked Questions

  • When are flight tickets from Baton Rouge (BTR) to Ontario (ONT) the cheapest?

    Airlines adjust prices for flights from Baton Rouge to Ontario based on the departure date and time of your selection. By analyzing data from all airlines, we've discovered that on Trip.com, you can find the lowest flight prices on Tuesdays, Wednesdays, and Saturdays.
  • How much do flights from Baton Rouge (BTR) to Ontario (ONT) cost?

    According to Trip.com's data, the lowest price is around $408.

How to find a cheap flight from Baton Rouge to Ontario

If you leave it until the last minute and forget to check some of the key information when booking tickets, prices can often end up skyrocketing. Below, you can find our top tips for getting the best value flights – from changing dates to chasing deals, there are plenty ways to keep your next trip affordable.
1
Being flexible with your dates to get the cheapest Baton Rouge to Ontario ticket.
Tap "Date" on flight search bar to scan through the calender for Baton Rouge to Ontario airfare over next 6 months in 2025. If you would like to fly in next 3 months, it seems the cheapest date is on Tue, Apr 8 at US$194 for one-way flights.
2
Compare cheap Baton Rouge to Ontario flight deals from over hundreds of airlines.
Our extensive search allows you to compare prices from over 500 airlines to choose the cheapest flight tickets from Baton Rouge to Ontario. The cheapest airline operating is Delta Air Lines.
3
Set up a Price Alert
By setting up a Price Alert for your Baton Rouge to Ontario route, you can easily track the price of your airline tickets from Baton Rouge to Ontario without manually checking every day.
4
Don't miss cheap Baton Rouge to Ontario flight deals and promo codes.
You can always get the latest deals through Trip.com Deals and Promo Codes for cheap flights for cheap flights. If registering a free membership, you can receive more deals for your flights.
5
Book early or wait unitl the last minute.
It's always better to book early. Flight tickets tend to be the cheapest when they are first released, normally about a year before the departure date. So, check online as soon as the flights you want become available. If you miss the cheapest time, you can still find lower-priced tickets as the flight date approaches.
6
Search for flights on the go.
To get the best flight booking experience on the go, download Trip.com free app and search for cheap flight tickets from Baton Rouge to Ontario to get exclusive deals for you.

Baton Rouge to Ontario Flight Information

Cheapest nonstop flight price$193
Off-season for travelDecember
Peak season for travelOctober
Flight distance10,117.66 km
Popular airlineAmerican Airlines