In order to hit the road, you gotta get there first right? For folks flying in from out-of-state or out-of-country, you'll need to start by making arrangements to fly in to either Sea-Tac International Airport, just a hop, skip and a jump from the Cascade Loop, or fly in to one of the regional airports serving communities located along the byway corridor such as Paine Field, right on the byway corridor.
General Information About Flying Into Sea-Tac International Airport
Sea-Tac International Airport is home to more than 30 scheduled passenger airlines, offers nonstop service to over 90 domestic and 28 international destinations. Please note that Seattle-Tacoma International Airport does not determine if flights are operating to schedule, or are delayed, or cancelled, therefore please check the Live Flight Information or contact your airline directly.
Security checkpoints at Sea-Tac are managed by the Transportation Security Administration.
There are four main checkpoints at Sea-Tac and a fifth that is opened as needed during peak periods.
Travelers can access all gates (A,B,C,D,S & N) from any checkpoint. The central checkpoint is open 24/7.
Sea-Tac recommends passengers arrive two hours before domestic travel and three hours before international travel.
Get more information about flying into Sea-Tac International Airport.
