Southwest® flights from Seattle/Tacoma to St. Louis from $215*

Fly one-way from Seattle/Tacoma to St. Louis starting at $215. Bundle your Southwest Airlines® flight with a hotel or rental car booking and find even more savings.

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$215
OFF

Southwest® Flights From Seattle/Tacoma To St. Louis From $215*

2 weeks from now

Fly one-way from Seattle/Tacoma to St. Louis starting at $215. Bundle your Southwest Airlines® flight with a hotel or rental car booking and find even more savings.

southwest.com

$50
OFF

$50 Flights From Seattle (SEA) To St Louis (STL) | Skyscanner

2 weeks from now

Find the best deals on flights from Seattle / Tacoma International (SEA) to St Louis (STL). Compare prices from hundreds of major travel agents and airlines, all in one search. ... It looks …

skyscanner.com

$89
OFF

Southwest Flights To St. Louis (STL) From $89 | KAYAK

2 weeks from now

Find and compare Southwest flights to St. Louis (STL). Fly from the United States with Southwest to St. Louis. From New York $89; From Denver $99; From Washington, D.C. $100. Search for …

kayak.com

$224
OFF

Southwest® Flights From St. Louis To Seattle/Tacoma From $224*

2 weeks from now

Fly one-way from St. Louis to Seattle/Tacoma starting at $224. Bundle your Southwest Airlines® flight with a hotel or rental car booking and find even more savings.

southwest.com

3%
OFF

Cheap Flights From Seattle, WA To St. Louis, MO - Kiwi.com

2 weeks from now

Up to 3% cash back · Flights between Seattle, WA and St. Louis, MO starting at $69. Choose between United Airlines, Alaska Airlines, or Frontier Airlines to find the best price. Search, …

$204
OFF

Southwest® Flights From Seattle/Tacoma To Indianapolis From $204*

2 weeks from now

Fly one-way from Seattle/Tacoma to Indianapolis starting at $204. Bundle your Southwest Airlines® flight with a hotel or rental car booking and find even more savings.

southwest.com