The cheapest times to fly from JFK to USM are

  • May 7th to May 20th
  • July 16th to December 16th

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 JFK to USM is mid to late November. Prices can be as high as $2344 for Friday flights during mid December, or as low as $831 for Monday flights around mid to late November.


When to Fly to Ko Samui

Flying from New York, NY (JFK) to Koh Samui (USM) will usually cost between $879 to $2128 per person if booking more than four weeks in advance. On average the very cheapest time to fly is mid to late November with an average ticket price of $898. Due to high demand the most expensive time to fly is mid December, with an average price of $2078. Planning your trip to low-cost times can easily save you $1180 on economy flights and even more on first-class flights. Generally, any price below $1427 can be considered a good price for a round-trip JFK to USM flight.

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

JFK to USM Flight Prices

Compared to other flights, the JFK to USM flight is slightly more expensive than the average and costs slightly more than the average flight leaving from New York. The average price per mile (for a direct flight) is $0.1, 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 to Ko Samui, and Saturdays are the most expensive days to return to New York. Selecting flights on the least expensive days could save you up to $240 (15%) 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 $1333. Return trip prices are from the USM to JFK 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 JFK to USM can generally find a 1-layover flight. Because there is not usually a direct flight option the real-world direct flight time of 17 hour 5 minutes may not be realistic.


Alternative Nearby Airports

Champion Traveler tells you which airports are nearby and whether tickets might be cheaper alternative airports nearby. Sometimes it’s worth it to fly into a closer airport and then commute to your destination. Remember that there is not usually a nonstop flight from JFK to USM while comparing.

Destination alternative #1: Krabi Airport (KBV) in Krabi

  • 124 miles (200 km) away from USM
  • Usually 20.15% less expensive than USM
  • 1-layover flights available

See JFK to KBV flights


Flight Hacking JFK to USM

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 JFK to USM — but Champion Traveler does!

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

  • Price for both tickets: $970
  • Average savings: $457 (32.03%)

See JFK to BKK flights

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

  • Price for both tickets: $1024
  • Average savings: $404 (28.28%)

See JFK to HKT flights

Hack #3: Chengdu (JFK > CTU > USM)

  • Price for both tickets: $1050
  • Average savings: $377 (26.42%)

See JFK to CTU flights


Flight Questions Answered

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

Which airlines fly this route?

You can find 28 major airlines flying this route most often: Aeroflot, Air France, Air India, Asiana, Austrian, Bangkok Airways, British Airways, Cathay Dragon, Cathay Pacific, China Airlines, China Southern, El Al, Emirates, Ethiopian, Etihad, EVA Air, Finnair, JAL, KLM, Lufthansa, Malaysia Airlines, Philippine Airlines, Qantas, Qatar Airways, Singapore Airlines, SWISS, THAI, Turkish Airlines, and potentially more during busy seasons.

How far away is it from Samui Airport to John F. Kennedy International Airport?

The distance between the two airports is roughly 8945 miles or 14396 kilometers.

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

The real-world flight time for a nonstop JFK to USM flight is about 17 hour 5 minutes.

How many flights go between New York, NY and Koh Samui?

It depends on the day of the week and the date, but a typical day might have around 69 available flights from JFK to USM.


Airport Location Info


Departing Airport

Origination codeJFK
Origination airport nameJohn F. Kennedy International Airport
CityNew York, NY
Countrythe United States

Return Airport

Destination codeUSM
Destination airport nameSamui Airport
CityKoh Samui


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.