VIDEO: Sea-Tac Airport gears up for busy spring break travel seasonSEATTLE — Sea-Tac Airport has some recommendations for more efficient travel during the currentMarch 24 to April 17 is expected to see over 1.
2 million travelers going outbound through the security checkpoints and over 3 million passengers overall through the airport, according to the airport. Thursdays, Fridays, Sundays, and Mondays are the busiest days each week.service to make a security check appointment rather than waiting online. Sign up as early as five days before or when you arrive at the airport. Also, remove foods and liquids from carry-on luggage and prepare to hold up the boarding pass for review.