Alaska AirlinesDepart11:50
Thu, Nov 19LAS → STL
6h 44m · 1 stop
$105one way, per person
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- Cheapest fare
- $105
- Cheapest month
- November
- Direct flights
- Not recently
- Quickest trip
- 6h 44m
Alaska Airlines · Thu, Nov 19
from $105
Usually 1+ stop
2,210 km
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Cheapest month to fly from Las Vegas 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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Where to stay, what to do and getting around, from our travel partners.
About flights from Las Vegas to St Louis
Las Vegas (LAS) and St Louis (STL) are about 2,210 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 44m. Over the next few months, one-way fares start from $105, 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 Las Vegas to St Louis?
The cheapest one-way fare we've seen recently is $105 with Alaska Airlines, departing Thursday, November 19, 2026.
What is the cheapest month to fly from Las Vegas to St Louis?
November 2026 currently has the lowest fares, from $105 one way.
Are there direct flights from Las Vegas to St Louis?
We haven't seen direct fares recently, so most journeys include at least one stop.
How long is the flight from Las Vegas to St Louis?
The quickest journey we've seen takes about 6h 44m. Las Vegas and St Louis are around 2,210 km apart.
Which airlines fly from Las Vegas to St Louis?
Recent fares on this route were with Alaska Airlines.
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