Flights to Shell Island from St. Louis - $66

Popular airlines from St. Louis to Shell Island

  • American Airlines

    American Airlines

  • Delta

    Delta

  • Southwest Airlines

    Southwest Airlines

  • United

    United

  • Plan, book, fly with confidence

  • trending down icon

    Be in the know

    Get alerts if flight prices drop or rise*
  • bex rewards loyalty icon

    Book smarter

    Save up to 30% on select hotels after you book a flight*
  • one key icon

    Earn twice

    Earn your airline miles on top of our OneKeyCash

Today's featured flight deals from St. Louis to Shell Island

Nonstop
Carry-on included
Lower price than typical

Cheap Flights from St. Louis to Shell Island (STL-ECP)

Prices were available within the past 7 days and start at $66 for one-way flights and $132 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Southwest Airlines
Southwest Airlines
American Airlines
Southwest Airlines
Delta
United
*Available to One Key members.