Ko Samui (USM) → San Diego (SAN)
About Ko Samui to San Diego Flights
Discover the best flights from Ko Samui to San Diego, covering 13,876 km in approximately 17h 51m. Ko Samui (USM) to San Diego (SAN) is one of the major long-haul routes connecting Thailand and United States. With 7 major airlines operating this route, travelers have plenty of options to choose from. Whether you're traveling for business or leisure, our comprehensive guide helps you find the best deals, understand seasonal price variations, and choose the right airline for your journey from Ko Samui to San Diego.
12-Month Price History
Flight prices from Ko Samui to San Diego vary significantly throughout the year. February typically offers the best deals with average prices around $2585, while July sees the highest prices, averaging $4325. Savvy travelers can save up to 40% by choosing their travel dates wisely.
Best Time to Fly
Cheapest Month
February
Save up to 40% on average
Most Expensive
July
Peak season pricing
Book in Advance
113 days
For best prices
Booking Tips
For the best prices on Ko Samui to San Diego flights, we recommend booking 129 days in advance. International flights typically see price increases as the departure date approaches, so early booking is advisable. Tuesday and Wednesday departures often offer the lowest fares, while Friday and Sunday flights tend to be more expensive due to business and leisure travel demand. Consider flying early morning or late evening for additional savings, as these off-peak times usually have lower demand.
Airlines Serving This Route
| Airline | Economy | Business | First |
|---|---|---|---|
Lufthansa LH | $4500 | $20060 | $25260 |
American Airlines AA | $4740 | $16910 | $21820 |
Delta Air Lines DL | $4750 | $17880 | $29210 |
Emirates EK | $4910 | $21330 | $31100 |
Air France AF | $4970 | $17930 | $23990 |
United Airlines UA | $5010 | $16080 | $23620 |
British Airways BA | $5260 | $18150 | $26440 |
Lufthansa
LH
Economy
$4500
Business
$20060
First
$25260
American Airlines
AA
Economy
$4740
Business
$16910
First
$21820
Delta Air Lines
DL
Economy
$4750
Business
$17880
First
$29210
Emirates
EK
Economy
$4910
Business
$21330
First
$31100
Air France
AF
Economy
$4970
Business
$17930
First
$23990
United Airlines
UA
Economy
$5010
Business
$16080
First
$23620
British Airways
BA
Economy
$5260
Business
$18150
First
$26440
Prices shown are estimates based on historical data. Actual prices may vary based on dates, availability, and current promotions.
Alternative Flight Options
Ko Samui → Los Angeles
Ko Samui (USM) to Los Angeles International (LAX)
Distance: 13,702 km
Average price: $2802
Ko Samui → Tijuana
Ko Samui (USM) to Tijuana International (TIJ)
Distance: 13,906 km
Average price: $2842
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Frequently Asked Questions
How long is the flight from Ko Samui to San Diego?
The flight time from Ko Samui (USM) to San Diego (SAN) is approximately 17 hours and 51 minutes. This duration is for direct flights and may vary depending on aircraft type, weather conditions, and air traffic.
What is the distance between Ko Samui and San Diego?
The aerial distance between Ko Samui and San Diego is 13,876 kilometers (8,622 miles). This is the straight-line distance, which is used to calculate flight times.
Which airlines fly from Ko Samui to San Diego?
Several airlines operate flights between Ko Samui and San Diego, including American Airlines, Delta Air Lines, United Airlines and 4 more airlines. Most flights on this route include one or more stops.
What is the cheapest month to fly from Ko Samui to San Diego?
Based on historical data, February typically offers the lowest airfares for flights from Ko Samui to San Diego. However, prices can vary based on holidays, events, and airline promotions. We recommend checking our price calendar for the most up-to-date information.
How far in advance should I book my flight to San Diego?
For the best prices on Ko Samui to San Diego flights, we recommend booking 131 days in advance. International flights generally require earlier booking than domestic routes.
Do I need a visa to travel from Ko Samui to San Diego?
Visa requirements depend on your nationality and the purpose of your visit. Citizens of Thailand traveling to United States should check the latest visa requirements. Visit our partner site visarequirements.io for detailed visa information.
What is the time difference between Ko Samui and San Diego?
Ko Samui operates on Asia/Bangkok time zone, while San Diego is in the America/Los_Angeles time zone. For current time differences and to plan your schedule, visit our partner site timezig.com for accurate timezone conversions.