Cheap flights from Baton Rouge to Ontario

One-way fares from $376 · BTR → ONT · prices found by travellers in the last 48 hours

Compare all dates Ontario → Baton Rouge
Cheapest fare
$376

American Airlines · Mon, Nov 30

Cheapest month
November

from $376

Direct flights
Not recently

Usually 1+ stop

Quickest trip
5h 07m

2,510 km

Get a price alert

We'll email you when Baton Rouge → Ontario drops to your price. It's free, and you can stop any time.

Today's cheapest fare is $376. We'll send one email to confirm. See our privacy policy.

Cheapest month to fly from Baton Rouge to Ontario

Lowest one-way fare per person in each month. Choose a month to see every date.

  1. November 2026 Cheapest $376

Plan the rest of your trip to Ontario

Where to stay, what to do and getting around, from our travel partners.

Where to stay

Hotels in OntarioCompare places to stay on Booking.com Find hotels →

Things to do

Things to do in OntarioTours, attractions and day trips on Klook Explore →

Getting around

Airport transfer in OntarioPre-book a driver to meet you at arrivals, with Kiwitaxi Book a transfer → Car hire in OntarioCompare rental cars from major brands on EconomyBookings Compare cars →

About flights from Baton Rouge to Ontario

Baton Rouge (BTR) and Ontario (ONT) are about 2,510 km apart. We haven't seen direct fares on this route recently, so expect at least one stop; the quickest journey we've seen takes about 5h 07m. Over the next few months, one-way fares start from $376, and November 2026 is currently the cheapest month to fly.

These prices come from searches travellers made in the last 48 hours, so they move quickly. If you see a good fare, it's worth booking soon. FlightsExp is free to use: you book directly with our travel partner.

Frequently asked questions

How much is a flight from Baton Rouge to Ontario?

The cheapest one-way fare we've seen recently is $376 with American Airlines, departing Monday, November 30, 2026.

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

November 2026 currently has the lowest fares, from $376 one way.

Are there direct flights from Baton Rouge to Ontario?

We haven't seen direct fares recently, so most journeys include at least one stop.

How long is the flight from Baton Rouge to Ontario?

The quickest journey we've seen takes about 5h 07m. Baton Rouge and Ontario are around 2,510 km apart.

Which airlines fly from Baton Rouge to Ontario?

Recent fares on this route were with American Airlines.

More cheap flights from Baton Rouge

Compare flights to Ontario from other cities →