St. Louis (STL) to Seattle / Tacoma (SEA) flight deal from $79 USD in economy class – flightdeals.net

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American Airlines

AAAmerican Airlines

One Way•Economy

Lambert-Saint Louis International Airport

St. Louis, United States

Seattle–Tacoma International Airport

Seattle / Tacoma, United States

$191 USD

-59%$79 USD

Verified Oct 31, 2025 at 12:51 AM

December 2025

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1$267 2$128 3$155 4$88 5$88 6$79 7$88 8$88 9$79 10$79 11$88 12$88 13$79 14$88 15$128 16$79 17$155 18$179 19$229 20$324 21$229 22$155 23$229 24$220 25$229 26$380 27$467 28$434 29$363 30$257 31$257 1 2 3 4

Rare Availability

9% of dates checked are available within 10% of the lowest price

Thursday, December 11th, 2025

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