Allegiant AirDepart10:21
Thu, Nov 12LSE → STL
8h 06m · 2 stops
$272one way, per person
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- Cheapest fare
- $272
- Cheapest month
- November
- Direct flights
- Not recently
- Quickest trip
- 8h 06m
Allegiant Air · Thu, Nov 12
from $272
Usually 1+ stop
580 km
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Cheapest month to fly from La Crosse to St Louis
Lowest one-way fare per person in each month. Choose a month to see every date.
Cheapest dates in November 2026
The lowest fares we've seen for each day, cheapest first.
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About flights from La Crosse to St Louis
La Crosse (LSE) and St Louis (STL) are about 580 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 8h 06m. Over the next few months, one-way fares start from $272, 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 La Crosse to St Louis?
The cheapest one-way fare we've seen recently is $272 with Allegiant Air, departing Thursday, November 12, 2026.
What is the cheapest month to fly from La Crosse to St Louis?
November 2026 currently has the lowest fares, from $272 one way.
Are there direct flights from La Crosse to St Louis?
We haven't seen direct fares recently, so most journeys include at least one stop.
How long is the flight from La Crosse to St Louis?
The quickest journey we've seen takes about 8h 06m. La Crosse and St Louis are around 580 km apart.
Which airlines fly from La Crosse to St Louis?
Recent fares on this route were with Allegiant Air.
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