The cheapest times to fly from REP to HNL are

  • January 8th to March 11th (except the week of January 22nd)
  • May 7th to July 8th
  • October 29th to November 11th

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 REP to HNL is early to mid August. Prices can be as high as $9442 for Monday flights during early to mid October, or as low as $1467 for Tuesday flights around early to mid August.


When to Fly to Honolulu

Flying from Siem Reap (REP) to Honolulu, HI (HNL) will usually cost between $1958 to $4932 per person if booking more than four weeks in advance. On average the very cheapest time to fly is early to mid August with an average ticket price of $1929. Due to high demand the most expensive time to fly is early to mid October, with an average price of $7634. Planning your trip to low-cost times can easily save you $5705 on economy flights and even more on first-class flights. Generally, any price below $2219 can be considered a good price for a round-trip REP to HNL flight.

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

REP to HNL Flight Prices

Compared to other flights, the REP to HNL flight is more expensive than the average and costs more than the average flight leaving from Krong Siem Reap. The average price per mile (for a direct flight) is $0.22, which is below average.


Flight Prices by Day of the Week

Tuesday is usually the cheapest day to fly to HNL, and Wednesday the cheapest day to fly back into REP. Mondays are the most expensive days to fly to Honolulu, and Tuesdays are the most expensive days to return to Krong Siem Reap. Selecting flights on the least expensive days could save you up to $996 (35%) on this flight.

Departing prices are for round-trip flights returning on the day of departure. For example, a flight departing on Tuesday and returning a week later will cost an average of $2357. Return trip prices are from the HNL to REP 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 REP to HNL can generally find a 1-layover flight. Because there is not usually a direct flight option the real-world direct flight time of 12 hour 30 minutes may not be realistic.


Flight Hacking REP 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 REP to HNL — but Champion Traveler does!

Hack #1: Bangkok (REP > DMK > HNL)

  • Price for both tickets: $909
  • Average savings: $1311 (59.06%)

See REP to KUL flights

Hack #2: Kuala Lumpur (REP > KUL > HNL)

  • Price for both tickets: $919
  • Average savings: $1300 (58.58%)

See REP to DMK flights

Hack #3: Hong Kong (REP > HKG > HNL)

  • Price for both tickets: $1022
  • Average savings: $1198 (53.97%)

See REP to HKG flights


Flight Questions Answered

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

Which airlines fly this route?

You can find 14 major airlines flying this route most often: ANA, Asiana, Bangkok Airways, Cathay Pacific, China Eastern, China Southern, Delta, Garuda Indonesia, Hawaiian, JAL, Singapore Airlines, THAI, United, Vietnam Airlines, and potentially more during busy seasons.

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

The distance between the two airports is roughly 6399 miles or 10298 kilometers.

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

The real-world flight time for a nonstop REP to HNL flight is about 12 hour 30 minutes.

How many flights go between Siem Reap and Honolulu, HI?

It depends on the day of the week and the date, but a typical day might have around 4 available flights from REP to HNL.


Airport Location Info


Departing Airport

Origination code REP
Origination airport name Siem Reap International Airport
City Siem Reap
Country Cambodia
Latitude 13.4
Longitude 103.8

Return Airport

Destination code HNL
Destination airport name Daniel K Inouye International Airport
City Honolulu, HI
Country the United States
Latitude 21.3
Longitude -157.9


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.