Cheap flights from Ontario to La Crosse

One-way fares from $492 · ONT → LSE · prices found by travellers in the last 48 hours

Compare all dates La Crosse → Ontario
Cheapest fare
$492

American Airlines · Fri, Nov 13

Cheapest month
November

from $492

Direct flights
Not recently

Usually 1+ stop

Quickest trip
6h 23m

2,510 km

Get a price alert

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

Today's cheapest fare is $492. We'll send one email to confirm. See our privacy policy.

Cheapest month to fly from Ontario to La Crosse

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

  1. November 2026 Cheapest $492

Plan the rest of your trip to La Crosse

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

Where to stay

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

Things to do

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

Getting around

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

About flights from Ontario to La Crosse

Ontario (ONT) and La Crosse (LSE) 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 6h 23m. Over the next few months, one-way fares start from $492, 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 Ontario to La Crosse?

The cheapest one-way fare we've seen recently is $492 with American Airlines, departing Friday, November 13, 2026.

What is the cheapest month to fly from Ontario to La Crosse?

November 2026 currently has the lowest fares, from $492 one way.

Are there direct flights from Ontario to La Crosse?

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

How long is the flight from Ontario to La Crosse?

The quickest journey we've seen takes about 6h 23m. Ontario and La Crosse are around 2,510 km apart.

Which airlines fly from Ontario to La Crosse?

Recent fares on this route were with American Airlines.

More cheap flights from Ontario

Compare flights to La Crosse from other cities →