Flights to Southern Illinois from Austin - ￥23,190

View ￥23,190 flight on Sat, Aug 2, 2025Opens in a new window

Popular airlines from Austin to Southern Illinois

  • Peach

    Peach

  • Skymark Airlines

    Skymark Airlines

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    All Nippon Airways

  • Japan Airlines

    Japan Airlines

  • Jetstar Japan

    Jetstar Japan

  • Solaseed Air

    Solaseed Air

  • STARFLYER

    STARFLYER

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Cheap Flights from Austin to Southern Illinois (AUS-STL)

Prices were available within the past 7 days and start at ￥23,190 for one-way flights and for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

*Available to Expedia members.