How to get the best price from San Francisco to Ko Samui?

Depending on when you travel and how far in advance you book, fares between San Francisco and Ko Samui can differ a lot.

Pick a travel date to see today’s available fares.

Search engines like Jetcost can highlight price changes in just seconds. For example, some users find better prices by flying on one day of the week over another — try several searches to spot the cheapest day.

Which airports serve San Francisco and Ko Samui?

When planning a trip of about 13162 km, it's a good idea to check flights from surrounding airports too.

• Airports in San Francisco: San Francisco is the only operational airport in the area.
• Airports in Ko Samui: The only active airport in Ko Samui is Ko Samui - Koh Samui.

The closest airport isn’t always the cheapest — it’s worth checking the alternatives too. In some cities, smaller airports offer lower fares than the main ones.

Flight filters for the route San Francisco – Ko Samui

Customize your search on Jetcost to focus only on flights that suit your needs. Whether you want a direct connection, specific airline, or shorter layover, filters help you find it faster.

Other popular destinations

Flights to Thailand are often searched alongside: Bangkok, Chiang Mai, Ko Samui, Krabi, Phuket.

The cheapest flights might leave at odd hours or arrive at less central airports — keep that in mind. If you travel often, you can always select your trusted airlines from the available options.