The cheapest times to fly from USM to LAX are

  • February 19th to March 18th (except the week of February 26th)
  • April 30th to June 10th (except the week of May 7th)
  • August 6th to December 16th (except the week of August 13th)

based on data collected exclusively by Champion Traveler across tens of millions of flights. Among all the dates above, the very cheapest time to fly from USM to LAX is late October. Prices can be as high as $2835 for Friday flights during early January, or as low as $948 for Monday flights around late October.


When to Fly to Los Angeles

Flying from Koh Samui (USM) to Los Angeles, CA (LAX) will usually cost between $994 to $1567 per person if booking more than four weeks in advance. On average the very cheapest time to fly is late October with an average ticket price of $959. Due to high demand the most expensive time to fly is early January, with an average price of $1911. Planning your trip to low-cost times can easily save you $953 on economy flights and even more on first-class flights. Generally, any price below $1120 can be considered a good price for a round-trip USM to LAX flight.

See below for a graph of average weekly prices for the USM to LAX route. All prices are for round-trip tickets in USD.

USM to LAX Flight Prices

Compared to other flights, the USM to LAX flight is slightly more expensive than the average and costs less than the average flight leaving from Ko Samui. The average price per mile (for a direct flight) is $0.08, which is far below average.


Flight Prices by Day of the Week

Monday is usually the cheapest day to depart and return on this flight. Fridays are the most expensive days to fly out or take a return trip. Selecting flights on the least expensive days could save you up to $86 (7%) on this flight.

Departing prices are for round-trip flights returning on the day of departure. For example, a flight departing on Monday and returning a week later will cost an average of $1170. Return trip prices are from the LAX to USM flight, and often highlight the quality of our data in showing the same trend.

Departing Prices by Day

Departure Day Prices

Return Trip Prices by Day

Return Day Prices


Nonstop Flights and Layovers

Travelers looking to fly from USM to LAX can generally find a 1-layover flight. Because there is not usually a direct flight option the real-world direct flight time of 16 hour 18 minutes may not be realistic.


Flight Hacking USM to LAX

Flight hacking is when you book two tickets instead of a layover, sometimes with different airlines. You will need to either bring only a carry-on bag (highly recommended) or leave yourself plenty of time to go through security again. Flight hacking is completely allowed, but airlines don’t always tell you the cheapest way to get from USM to LAX — but Champion Traveler does!

Hack #1: Bangkok (USM > BKK > LAX)

  • Price for both tickets: $929
  • Average savings: $191 (17.02%)

See USM to HKT flights

Hack #2: Phuket (USM > HKT > LAX)

  • Price for both tickets: $1043
  • Average savings: $77 (6.88%)

See USM to BKK flights

Hack #3: Singapore (USM > SIN > LAX)

  • Price for both tickets: $1054
  • Average savings: $66 (5.9%)

See USM to SIN flights


Flight Questions Answered

Still have questions about flying from USM to LAX? We’ve got answers.

Which airlines fly this route?

You can find 25 major airlines flying this route most often: American, ANA, Austrian, Bangkok Airways, British Airways, Cathay Pacific, China Airlines, China Southern, Emirates, Etihad, EVA Air, Hong Kong Airlines, JAL, KLM, Lufthansa, Malaysia Airlines, Philippine Airlines, Qatar Airways, Sichuan Airlines, Singapore Airlines, SWISS, THAI, United, Vietnam Airlines, Xiamen, and potentially more during busy seasons.

How far away is it from Los Angeles International Airport to Samui Airport?

The distance between the two airports is roughly 8512 miles or 13699 kilometers.

How long does it take to fly from USM to LAX?

The real-world flight time for a nonstop USM to LAX flight is about 16 hour 18 minutes.

How many flights go between Koh Samui and Los Angeles, CA?

It depends on the day of the week and the date, but a typical day might have around 56 available flights from USM to LAX.


Airport Location Info


Departing Airport

Origination codeUSM
Origination airport nameSamui Airport
CityKoh Samui

Return Airport

Destination codeLAX
Destination airport nameLos Angeles International Airport
CityLos Angeles, CA
Countrythe United States


Other Resources

Please note that while we’ve worked hard to analyzed tens of millions of flights to get you this data, we do not calculate current live prices or guarantee pricing. Please see our partners using the links above for current offers.