← Back to Deals
Austin skyline and Congress Avenue Bridge
AUS
Austin
St. Louis Gateway Arch
STL
Saint Louis

Austin → Saint Louis

Southwest Airlines · Round Trip · Nonstop

$369

per person · round trip

Book This Deal

Flight Details

Cabin
Economy
Departs
Apr 14, 2026
Returns
Apr 17, 2026

Price History

Avg: $363
Low: $356
High: $369
Mar 28Mar 29

Planning your trip to Saint Louis?

Complete your trip with these deals.

Hotels in Saint Louis

Find the best hotel deals for your stay.

Coming soon →

Rental Cars in Saint Louis

Get around with affordable rental car deals.

Coming soon →

Adventures in Saint Louis

Explore tours, activities, and experiences.

Coming soon →