Leaving on a Tuesday is a viable option for saving on travel. Heavily demanded days of the week can typically drive up the prices you see. Booking your travel for a less competitive day can save up to 16% on the overall cost on flights from St Louis to Seattle.
Find a great deal and save up to 58% by booking at least 27 days prior to your desired departure date, rather than waiting until the week of travel. According to our data, there are a number of flights available from St Louis to Seattle within the next two weeks, with the cheapest ticket starting at $136.
One of the essential ways to save on airfare from St Louis to Seattle is to remain as flexible as possible. Flights that are in the morning tend to be the most expensive. If a flight is in the noon is possible it can save you up to 22% on airfare.
|Afternoon Noon to 6 PM||100% of STL to SEA departures|
|Early morning Midnight to 6 AM||0% of STL to SEA departures|
|Morning 6 AM to noon||0% of STL to SEA departures|
|Evening 6 PM to midnight||0% of STL to SEA departures|