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Cheap Flights from Siem Reap to Phnom Penh starting at S$ 31

We've found these cheap flights for you. You can book one-way or return flight tickets.

  • One way
  • Round-trip

Crossed out prices are calculated based on the average price of the corresponding route on Trip.com.

Cheapest time to fly from Siem Reap to Phnom Penh

We monitor flight fares to help you find the best deals effortlessly

Displayed prices are calculated based on the lowest average weekly prices of the corresponding route on Trip.com.
Cheapest Airlines flying from Siem Reap to Phnom Penh

Compare prices, find the option that best suits your travel needs, and enjoy a comfortable journey with a trusted airline.

AirAsia Cambodia
From S$ 67
Cambodia Angkor Air
From S$ 137
Bangkok Airways
From S$ 306
Vietnam Airlines
From S$ 442
ANA airlines

Find more flights and airlines

Alternative Routes from Siem Reap to Phnom Penh

Searching for potential routes that might be cheaper and faster? Check out these alternative flights from Siem Reap to Phnom Penh.

  • Cheapest
    AirAsia Cambodia
    SAI
    12:35
    0h 55m
    Direct
    PNH
    13:30
    Siem Reap Angkor International Airport - Phnom Penh International Airport
    Sat, May 4AirAsia Cambodia
    S$ 67
  • AirAsia Cambodia
    SAI
    12:35
    0h 55m
    Direct
    PNH
    13:30
    Siem Reap Angkor International Airport - Phnom Penh International Airport
    Sat, May 4AirAsia Cambodia
    S$ 67
    Find More Flights

Frequently Asked Questions

  • When to buy flight tickets from Siem Reap (REP) to Phnom Penh (PNH) the cheapest?

    Airlines adjust prices for flights from Siem Reap to Phnom Penh based on the date and time of your booking. By analyzing data from all airlines, on Trip.com, you can find the cheapest flight prices on Tuesdays, Wednesdays, and Saturdays.
  • How much is a flight from Siem Reap (REP) to Phnom Penh (PNH) cost?

    According to Trip.com's data, the lowest price is around S$ 308.
  • How long is a flight from Siem Reap (REP) to Phnom Penh (PNH)?

    It takes about 45 minutes to fly from Siem Reap (REP) to Phnom Penh (PNH).
  • What is the transportation method from the main airport to downtown in Phnom Penh?

    • The distance from Phnom Penh International Airport to downtown is about 7km, by taxi about 20 minutes.
  • What time does the latest flight from Siem Reap to Phnom Penh depart?

    The latest flight departs from Siem Reap (SAI) at 20:40 and arrives in Phnom Penh (PNH) at 21:25.
  • What are the most popular airlines that fly from Siem Reap (REP) to Phnom Penh (PNH)?

    Airlines with flights from Siem Reap (REP) to Phnom Penh (PNH): Vietnam Airlines and Cambodia Angkor Air.
  • What's the most popular airline for direct flights from Siem Reap (REP) to Phnom Penh (PNH)?

    Cambodia Angkor Air operates 13 direct flights from Siem Reap (REP) to Phnom Penh (PNH).
  • How many airports in Phnom Penh?

    There are 1 airports near Phnom Penh: Phnom Penh International Airport.

Find cheapest flight ticket from Siem Reap to Phnom Penh

Cheapest direct flight price

S$ 31

Cheapest return ticket price

S$ 71

Cheapest month

May

Peak season for travel

September