[05/15/2017 @ 2:32 PM] Fare gone. Removing from deal list.
Delta has round-trip flights from Austin (AUS) to Saint Louis (STL) for $164. $82 each-way. Flights May to October. Origin/Destination reversible.
Note: Fare is basic economy and allows a carry-on bag. Seats are assigned after check-in, and boarding is with the last group.
Click for more details and booking links Cheap Flights: Austin to/from Saint Louis $164 r/t – Delta