Flights From St. Louis (STL) to Renton (SEA)

Wander Wisely with exceptional service, 24/7 supportOpens in a new window

Feel at ease with free flight cancellations within 24 hours of booking

Change your flight without a fee on select flights

Selected fares from St. Louis to Renton

The cheapest prices found with in the last 7 days for return flights were CA $330 and CA $175 for one-way flights to Renton for the period specified. Prices and availability are subject to change. Additional terms apply.

Alaska Airlines
Fri, Aug. 22 - Sun, Aug. 31
STL
Lambert-St. Louis Intl.
SEA
Seattle - Tacoma Intl.
CA $330 Roundtrip, found 5 days ago
CA $330
Roundtrip
found 5 days ago
Select Alaska Airlines flight, departing Fri, Aug. 22 from Lambert-St. Louis Intl. to Seattle - Tacoma Intl., returning Sun, Aug. 31, priced at CA $330 found 5 days ago
Alaska Airlines
Fri, Oct. 17 - Fri, Oct. 31
STL
Lambert-St. Louis Intl.
SEA
Seattle - Tacoma Intl.
CA $331 Roundtrip, found 21 hours ago
CA $331
Roundtrip
found 21 hours ago
Select Alaska Airlines flight, departing Fri, Oct. 17 from Lambert-St. Louis Intl. to Seattle - Tacoma Intl., returning Fri, Oct. 31, priced at CA $331 found 21 hours ago
Alaska Airlines
Mon, Aug. 25 - Sun, Aug. 31
STL
Lambert-St. Louis Intl.
SEA
Seattle - Tacoma Intl.
CA $336 Roundtrip, found 4 days ago
CA $336
Roundtrip
found 4 days ago
Select Alaska Airlines flight, departing Mon, Aug. 25 from Lambert-St. Louis Intl. to Seattle - Tacoma Intl., returning Sun, Aug. 31, priced at CA $336 found 4 days ago