Roundtrip Flights from San Francisco to Koh Samui from $767

United Airlines/Bangkok Airways via Expedia is offering Roundtrip Flights from San Francisco (SFO) to Koh Samui Thailand (USM) from $767.00. Valid for select dates Departs (SFO): Aug 5-6, 11-14, 18-21, 25-27; Sept 2-4, 7-11, 15-17, 22-25, 29-30; Oct 1-2, 6-9, 13-16, 20-23, 27-29; Nov 3-5, 10-12, 17, 26; Dec 1, 3; Jan 19, 21, 26-28; Feb 2, 4, 9, 11, 16-18, 23, 25; March 2, 4, 9-12, 16-18, 23-24. Return: Aug 12-13, 17-21, 24-28; Sept 1-4, 7-11, 14-18, 21-25, 28-30; Oct 1-2, 5-9, 12-16, 19-23, 26-30; Nov 2-6, 9-13, 16-20, 23-27; Dec 3, 8-10, 15-18, 22, 24-25; Jan 25-26; Feb 2-5, 8-9, 11-12, 15-19, 22-26; March 1-5, 8-9, 11, 15-19, 22-26, 29-31. Exclusions apply.

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