Seattle to St. Louis (& vice versa) for only $205 roundtrip

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Cheap flights from Seattle to St. Louis for only $205 roundtrip with American Airlines.

Also works in reverse.

DEPART:
Seattle, USA

ARRIVE:
St. Louis, USA

RETURN:
Seattle, USA

DATES:
Availability from October to November 2026

Example dates:

Seattle – St. Louis
20th-27th Oct
28th Oct – 4th Nov
4th-11th Nov
10th-17th Nov
11th-18th Nov
17th-24th Nov
18th-25th Nov

St. Louis – Seattle
20th-27th Oct
28th Oct – 4th Nov
3rd-10th Nov
4th-11th Nov
10th-17th Nov
11th-18th Nov
17th-24th Nov

and more…

STOPS:
Chicago/Dallas

AIRLINES:
American Airlines