American: Seattle – St. Louis (and vice versa) $231. Roundtrip, including all Taxes

A good sale between Seattle and St. Louis

The Gateway Arch, St. Louis, Missouri. Photo: Pirate Alice, used under Creative Commons License (By 2.0)

Sample Date:

  • November 2nd – 5th. Valid for travel from October 30th – December 13th with blackout dates from November 16th – 28th. Use ITA Software Matrix Airfare Search and flexible month search to see availability. Must purchase at least 10 days in advance of departure.


  • SEA – ORD (Chicago) – STL (St. Louis) – ORD – SEA


  • 3,946 miles or 5.9 cents per mile


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