SEA to STL from $94 in economy – flightdeals.net

Home Premium Fare Deals About

Delta Air Lines

DLDelta Air Lines

Southwest Airlines

WNSouthwest Airlines

One Way•Economy

Seattle–Tacoma International Airport

Seattle / Tacoma, United States

Lambert-Saint Louis International Airport

St. Louis, United States

$186 USD

-49%$94 USD

Verified about 21 hours ago

December 2026

Mon

Tue

Wed

Thu

Fri

Sat

Sun

30$240 1$209 2$209 3$209 4$209 5$204 6$209 7$209 8$209 9$209 10$209 11$209 12$204 13$209 14$209 15$209 16$209 17$209 18$294 19$294 20$294 21$214 22$214 23$294 24$209 25$209 26$209 27$209 28$209 29$209 30$209 31$209 1$209 2$294 3$209

Fair Availability

22% of dates checked are available within 10% of the lowest price

Tuesday, December 8th, 2026

Outbound Flights

·

→

·

→

·

→