Siem Reap to Phnom Penh flights
Phnom Penh lies 231 km (143 mi) south-east of Siem Reap, in the same time zone. What the numbers say about getting there, and where to book.
A nonstop flight would take about 1 h 3 min gate to gate, based on the distance and typical cruise speed with taxi and climb allowed for; connecting itineraries add the layover on top.
Open Phnom Penh in Google Maps
| Siem Reap | Phnom Penh | |
|---|---|---|
| Country | Cambodia | Cambodia |
| Population | 139,458 | 1.6 million |
| Elevation | 18 m (59 ft) | 20 m (66 ft) |
| Time now | UTC+7 (Asia/Phnom_Penh) | UTC+7 (Asia/Phnom_Penh) |
| Nearest large airport | SAI, 39 km out | KTI, 23 km out |
Airports at each end
Leaving Siem Reap
Siem Reap is served by 2 airports with scheduled flights within 100 km. The closest large one is Siem Reap-Angkor International Airport (SAI), 39 km (24 mi) from the centre, whose 11,827-ft runway is long enough for long-haul wide-body aircraft. The alternatives are Battambang Airport (BBM, 75 km).
Arriving in Phnom Penh
Phnom Penh is served by one airport with scheduled flights. The closest large one is Techo International Airport (KTI), 23 km (14 mi) from the centre, whose 13,123-ft runway is long enough for long-haul wide-body aircraft.
| Airport | Code | From centre | Longest runway | Elevation |
|---|---|---|---|---|
| Techo International Airport | KTI | 23 km (14 mi) | 13,123 ft | 20 ft |
Book a flight to Phnom Penh
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Flights are sold here by AirOrSeaTravel through our booking partner, Nuitée, which takes the payment; the ticket is issued by the airline. How this works.
Staying in Phnom Penh
Our booking partner lists 724 places to stay in Phnom Penh. Of the 579 with a star rating, the largest group is 3-star (255), and 24 are five-star. Across 237 properties with at least 50 reviews, the average guest score is 8.3 out of 10. Guests have left 134,280 reviews in total.
Book a hotel in Phnom Penh
Live rooms and prices from our booking partner, booked and paid for here. Free cancellation is marked where it applies.
Common questions
How far is Phnom Penh from Siem Reap?
231 km (143 mi) in a straight line, south-east of Siem Reap.
How long does it take to get from Siem Reap to Phnom Penh by air?
About 1 h 3 min, estimated from distance and typical speeds for a nonstop flight. Timetables and traffic decide the real figure.
Is there a time difference between Siem Reap and Phnom Penh?
No, both are on Asia/Phnom_Penh at the moment.
Which airports are used for Siem Reap to Phnom Penh flights?
Typically Siem Reap-Angkor International Airport (SAI) to Techo International Airport (KTI).
Where can I stay in Phnom Penh?
Our booking partner lists 724 places to stay in Phnom Penh, bookable on this site.
Where these facts come from
- GeoNames (CC BY 4.0): population, elevation, time zone, postal codes
- Wikidata (CC0): area, sister cities, visitor numbers, heritage listings, stations and ports
- OurAirports (public domain): airports, runways
- Natural Earth (public domain): map outlines
Data compiled 13 September 2026. Hotel figures are from our booking partner’s catalogue on that date. Journey times on this page are estimates from distance, not timetables; check the operator before you rely on one.