The cheapest times to fly from USM to HNL are

  • May 14th to July 15th (except the weeks of May 21st, June 4th, and July 2nd)
  • October 8th to February 4th (except the week of December 24th)

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 HNL is late January and early February. Prices can be as high as $3258 for Saturday flights during early to mid August, or as low as $1214 for Monday flights around late January and early February.


When to Fly to Honolulu

Flying from Koh Samui (USM) to Honolulu, HI (HNL) will usually cost between $1321 to $2839 per person if booking more than four weeks in advance. On average the very cheapest time to fly is late January and early February with an average ticket price of $1309. Due to high demand the most expensive time to fly is early to mid August, with an average price of $3258. Planning your trip to low-cost times can easily save you $1949 on economy flights and even more on first-class flights. Generally, any price below $1719 can be considered a good price for a round-trip USM to HNL flight.

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

USM to HNL Flight Prices

Compared to other flights, the USM to HNL flight is more expensive than the average and costs about as much as the average flight leaving from Ko Samui. The average price per mile (for a direct flight) is $0.16, which is far below average.


Flight Prices by Day of the Week

Monday is usually the cheapest day to fly to HNL, and Wednesday the cheapest day to fly back into USM. Saturdays 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 $1086 (29%) 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 $1686. Return trip prices are from the HNL 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 HNL can generally find a 2-layover flight. Because there is not usually a direct flight option the real-world direct flight time of 13 hour 6 minutes may not be realistic.


Flight Hacking USM to HNL

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 HNL — but Champion Traveler does!

Hack #1: Kuala Lumpur (USM > KUL > HNL)

  • Price for both tickets: $1090
  • Average savings: $629 (36.59%)

See USM to SIN flights

Hack #2: Singapore (USM > SIN > HNL)

  • Price for both tickets: $1140
  • Average savings: $579 (33.68%)

See USM to KUL flights

Hack #3: Phuket (USM > HKT > HNL)

  • Price for both tickets: $1239
  • Average savings: $481 (27.95%)

See USM to HKT flights


Flight Questions Answered

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

Which airlines fly this route?

You can find 19 major airlines flying this route most often: Alaska, American, ANA, Asiana, Bangkok Airways, Cathay Pacific, China Airlines, China Southern, Delta, JAL, KLM, Malaysia Airlines, Philippine Airlines, Singapore Airlines, THAI, United, Vietnam Airlines, Virgin Australia, WestJet, and potentially more during busy seasons.

How far away is it from Daniel K Inouye International Airport to Samui Airport?

The distance between the two airports is roughly 6737 miles or 10842 kilometers.

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

The real-world flight time for a nonstop USM to HNL flight is about 13 hour 6 minutes.

How many flights go between Koh Samui and Honolulu, HI?

It depends on the day of the week and the date, but a typical day might have around 43 available flights from USM to HNL.


Airport Location Info


Departing Airport

Origination codeUSM
Origination airport nameSamui Airport
CityKoh Samui

Return Airport

Destination codeHNL
Destination airport nameDaniel K Inouye International Airport
CityHonolulu, HI
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.