$1,498+ Cheap flights from San Diego (SAN) to Ko Samui (USM)

When flying from San Diego to Ko Samui, the time of day you fly usually plays a role in the price. Save by searching for a flight in the evening, which can drop the price by up to 27% versus a flight in the afternoon.

Travelers seeking maximum savings on their San Diego to Ko Samui flight should consider departing on Wednesday at noon when fares are most often at their lowest. Saturday at noon flights should be avoided if possible as fares are typically the most expensive at this time.

About 13% of weekly flights between San Diego and Ko Samui have experienced delays in the past year, with the average delay time being 157 minutes.

Historically, flights departing at night are less likely to be delayed, whereas flights leaving in the early afternoon tend to experience delays more often.

Saturday tends to have the lowest number of delays on this route, whereas Sunday has historically faced a higher average of delays compared to other days of the week.

Over the last year, Delta have had the lowest number of delays on this route, with just 9% of flights being delayed.