Roundtrip Airfare Flight: Seattle, WA to Taipei, Taiwan via Delta Air Lines $597 (Travel Mar-Sept 2026)

Roundtrip Airfare Flight: Seattle, WA to Taipei, Taiwan via Delta Air Lines $596 (Travel Mar-Sept 2026). Thumb Score: +13. Delta Air Lines and Expedia have round trip airfares travelling from Seattle (SEA) to Taipei Taiwan (TPE) for $596, nonstop. These are basic economy fares that allow a personal item, a carry-on bag and 1 free checked bag. Travel Availability: Departs SEA: March 1-6, 9-11, 15-16, 31; April 8-9, 14-16, 20-30; May 1-7; No June; No July; Aug 23, 25-31; Sept 1-30. Returns: March 4-6, 8-12, 16-18, 22-23, 25-26; April 2-3, 7-9, 15-17, 21-24, 27-30; May 1-31; June 1-10, 12-13, 19-27; July 3-10, 17; Aug 30; Sept 1-30; Oct 1-31