Siem Reap to Hong Kong

The fastest journey from Siem Reap to Hong Kong takes 7h 34m door to door, of which 3h 17m is spent moving, on the flight. Most services take around 8h 12m, because that average includes slower stopping services and journeys with a connection. Times include reaching the terminal and leaving it at the far end.

The cheapest fare from Siem Reap to Hong Kong is €118.43, as of 23 September 2026. A typical fare across the next three weeks is €196.61. Both figures are the total for one passenger, including taxes, supplier fees and our service fee, so nothing is added at checkout.

The cheapest way from Siem Reap to Hong Kong is by coach, at €118.43 for one passenger on 13 October 2026. That journey takes 9h 3m door to door. Cheaper is rarely faster on this corridor, and the comparison table on this page shows what each mode costs against what it saves.

The fastest way from Siem Reap to Hong Kong is by flight, at 7h 45m door to door. Only 3h 17m of that is spent moving; the remaining 4h 28m is reaching the terminal and leaving it at the far end. The cheapest fare on that mode is €130.53.

Fares from Siem Reap to Hong Kong bottom out around 30 days before departure, at €124.63. Across the whole booking window the gap between the cheapest and the dearest lead time is 204 percent, measured on 23 September 2026. Booking inside the last week has consistently cost more on this corridor.

Tuesday is the cheapest day to depart from Siem Reap to Hong Kong, at €148.82. That is the median of 21 priced departure days across the next three weeks, as of 23 September 2026. Shifting a departure by one day is usually worth more than shifting the booking by one week.

February is the cheapest of the next 5 months to travel from Siem Reap to Hong Kong, at €103.39 for one passenger. Each month is priced on its fifteenth, so the comparison is like for like rather than a mix of weekends and midweek departures.

5 operators sell services from Siem Reap to Hong Kong across 2 modes: Cambodia Angkor Air (K6), Cathay Pacific, K-Mile Air, Mey Hong Transport, Vietnam Airlines. Journey times, fares and fare conditions differ between them, and the operator table on this page compares all of them on speed, flexibility and what is provided on board.

0 percent of the services we sell from Siem Reap to Hong Kong are direct. The rest connect at Phnom Penh, Hanoi, Da Nang, with about 75 minutes between the two services. Both legs are sold on one booking, so a missed connection is rebooked at no charge.

Travelling from Siem Reap to Hong Kong by coach produces about 340.4 kg of CO2 per passenger, the lowest of any mode on this corridor. The same journey by Flight produces about 348.6 kg, roughly 1 times as much for one passenger.

Services from Siem Reap to Hong Kong by flight leave from Siem Reap-Angkor International Airport SAI and arrive at Hong Kong International Airport HKG. Allow about 3h 10m in total for reaching the departure terminal and leaving the arrival one, which is already included in every door to door time on this page.

1 of the 5 operators we sell from Siem Reap to Hong Kong allow a change or a refund. A change on a changeable fare costs €5.00. The operator table on this page names which is which, and the condition is shown again before you pay.