Korean Air SKYPASS is SkyTeam's most distinctive program for U.S. travelers. The primary pathway from U.S. credit cards is Citi ThankYou Points, which transfers 1:1 to SKYPASS. That makes it one of the few major international airline programs accessible via Citi. Korean Air operates a world-class Prestige Class business cabin, and SKYPASS miles have a notably long 10-year expiry window — among the most generous in the industry.
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Citi ThankYou Points transfer 1:1 to Korean Air SKYPASS — the main U.S. flexible currency with a direct connection. 3× on restaurants, groceries, gas, hotels, and air travel.