Nonstop Flights from Alton
Great deals from Alton
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Saint Louis, MO (STL) 
Las Vegas, NV (LAS)
Las Vegas, NV (LAS)AU$166
Wed, 12/2 - Sat, 15/2
Frontier Airlines - Roundtrip, Economy*Prices are based on round trip travel with returns between 1-21 days after departure. These are the best fares found by travellers who searched Tripadvisor and a select group of our fare search partners in the past 72 hours. Ticket prices and seat availability change rapidly and cannot be guaranteed.
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