$832 Find Cheap Flights from San Francisco to Ko Samui - Compare and Save

In the last 5 days, the lowest price for a flight from San Francisco to Ko Samui was $1,345 for a one-way ticket and $832 for a round-trip.

A passport is required to fly from San Francisco to Ko Samui.

On your way to Ko Samui, you’ll fly out from San Francisco. You’ll be landing at Ko Samui.

We unfortunately don’t have that data for this specific route.

Star Alliance is the only airline alliance operating flights between San Francisco and Ko Samui.

The two airlines most popular with KAYAK users for flights from San Francisco to Ko Samui are EVA Air and Singapore Airlines. With an average price for the route of $1,102 and an overall rating of 8.5, EVA Air is the most popular choice. Singapore Airlines is also a great choice for the route, with an average price of $903 and an overall rating of 8.2.

KAYAK is a travel search engine. That means we look across the web to find the best prices we can find for our users. With over 2 billion flight queries processed yearly, we are able to display a variety of prices and options on flights from San Francisco to Ko Samui.

KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to Ko Samui from San Francisco is likely to change within 7 days, so travelers know whether to wait or book now.

Hacker Fares allow you to combine one-way tickets in order to save you money over a traditional round-trip ticket. You could then fly to Ko Samui with an airline and back to San Francisco with another airline. Booking your flights between San Francisco and USM can sometimes prove cheaper using this method.

Sometimes travel dates aren't set in stone. If your preferred travel dates have some wiggle room, flexible dates will show you all the options when flying to Ko Samui from San Francisco up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.