When preparing for international travel, timing your currency exchange can save money. Sea Tac Airport currency exchange offers convenience, but not always the best rates. Smart travelers exchange a small amount at the airport and use local ATMs abroad for better conversion rates. Always compare fees before making the swap. While Sea Tac Airport currency exchange is great for last-minute needs, pre-ordering currency or using a no-foreign-transaction-fee card may be the smarter financial move. Remember, every dollar counts when you’re abroad.