I’m going to US I got USA visa already. But I need to stop in Sabiha and change to Istanbul airport. Do I need transit visa? What is known traveler number?

  • 2
    What's your citizenship? – Xnero Sep 19 '19 at 14:30
  • I hope you have lot's of transit time - because those two airports.... wowzers... are very very far apart. – 3kstc Sep 19 '19 at 23:02

Do I need transit visa?

Depends on your citizenship. Since you have to change airport you need proper documentation to enter Turkey

What is known traveler number?

The US has programs for frequent travelers such as Global Entry or Nexus. These programs make immigration in the US a lot easier. You don't need one, though. If you are not participating in any of these programs, you can just leave the field blank

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