Cheap Flights to St. Louis: St. Louis Flight Deals

  • 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 15% on select hotels after you book a flight*
  • payments icon
    Earn twice
    Earn your airline miles on top of our rewards

Cheap round-trip flights to St. Louis

Prices were available within the past 7 days and start at €90 for one-way flights and €169 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Delta
American Airlines
Delta
Delta
Lufthansa

Trending flights to St. Louis

Prices were available within the past 7 days and start at €90 for one-way flights and €169 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

American Airlines
*Available to Expedia members.