FlyerTalk Forums - View Single Post - SEA C Concourse 2-Story Alaska Lounge(s) to Be "Largest in the US"
Old Mar 16, 2026 | 5:13 pm
  #20  
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Originally Posted by Seat 2A
Correct me if I'm wrong, please, but my understanding is international flights can depart from most anywhere at SEA, but they must arrive at the S satellite because that's where US Customs is located.
Correct, unless CBP pre-cleared before departure.
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