* All fares below were last found on: Oct 18, 2018 and 5:20:39 AM.
Fares are round trip, Fares incl. all fuel surcharges, our service fees and taxes.
Displayed fares are based on historical data, are subject to change and cannot be guaranteed at the time of booking.
See all booking terms and conditions
Find the deals you want & manage your trips ... all while on the go.
Earn rewards points & other travel perks when you spend.
Get inspired, learn expert tips & add to your travel bucket list.
The Spookiest U.S. Ghost Tours to Join This Fall
Stick Together! The Best Places to Sit on a Plane When Flying with a Family
“In Traveling Cross-Country, I Found My Roots”: Nicole Capo’s Journey of Discovery
Major Thanksgiving Travel Mistakes (and How to Avoid Them)
Your Ultimate Guide to Exploring the Hispanic Culture & History of Los Angeles
Book your flights from Seattle to St Louis and save big on airfares. Known as the largest metropolitan area in Missouri, St Louis attracts vacationers and leisure hunters from all over the world. This majestic city is brimming with plenty of attractions from the likes of Cathedral Basilica of St. Louis, Contemporary Art Museum, Missouri History Museum and much more.
To reach St Louis from Seattle, you should go for the airlines that include United Airlines and American Airlines. Take advantage of exclusive deals on flights to St Louis and save more to splurge on a vacation. The flight to St Louis from Seattle takes around five hours thirty minutes excluding the layover time. This flight covers the distance of 1724 miles. To pass the time you should listen to music or read in-flight magazines.