Cheap Flights Phnom Penh to Siem Reap from £26

Flight FAQs

• Which airlines offer the cheapest flights from Phnom Penh to Siem Reap?

  Based on Trip.com data, Air Cambodia offers Cheapest nonstop one-way flights from £26 (for example, KTI–SAI on Thu, Oct 8). For a Cheapest nonstop return flight, Air Cambodia offers fares from £57, departing on Sat, Oct 17 and returning on Sat, Oct 24.

• Which airlines offer direct flights from Phnom Penh to Siem Reap?

  At the moment, you can catch a direct flight from Phnom Penh to Siem Reap with the following airlines, including: Air Cambodia Cambodia Airways Selected airlines are based on historical data collected from flight bookings users made on Trip.com within the last 90 days.

• How long is a flight from Phnom Penh to Siem Reap?

  A flight from Phnom Penh (KTI) to Siem Reap (SAI) takes an average of 52 minutes.

• When is the best time to book flights from Phnom Penh to Siem Reap?

  By analyzing data from all airlines on the Trip.com flight calendar, it looks like the best time to book a flight from Phnom Penh to Siem Reap is around 40 days (6 weeks) in advance, and the best time to fly is usually on Tuesday, Wednesday, and Saturday. Tuesday typically offers the cheapest flights for departure, while Saturday offers the best return deals.

• How many flights are there from Phnom Penh to Siem Reap each week?

  On average, 21 direct flights operate each week between Phnom Penh and Siem Reap. See below the schedules of the main airlines serving this route:
  Cambodia Airways: S/M/T/-/T/F/S – KR801 (departure at 09:09)

• How can I find the best deals on flights from Phnom Penh to Siem Reap?

  Here are some tips for finding the best flight deals from Phnom Penh to Siem Reap on Trip.com:
  · Be flexible with your travel dates. The cheapest flight is currently on Thu, Oct 8, with one-way fares from just £26.
  · Compare airlines. Air Cambodia currently offers the lowest fares on this route.
  · Set up a price alert to track fare changes without searching every day.
  · Check Trip.com regularly for flight deals and available promo codes.
  · Get exclusive promo codes on the Trip.com app.

• Which upcoming date is the cheapest for flights from Phnom Penh to Siem Reap?

  After crunching the numbers on our September flight calendar, it's currently cheapest to fly from Phnom Penh to Siem Reap on September 17, 2026 with Air Cambodia, with prices starting at £30.

• Which airports should you choose for flights from Phnom Penh to Siem Reap?

  Flights to Siem Reap can arrive at: Siem Reap Angkor International Airport (SAI). The most common route connects Techo International Airport and Siem Reap Angkor International Airport (KTI–SAI).

• What is the time difference between Phnom Penh and Siem Reap?

  The time difference between Siem Reap and Phnom Penh is 0m.

• How can I change or cancel my flight ticket from Phnom Penh to Siem Reap?

  Tickets can only be changed or cancelled if permitted by airline policy. To submit a change or cancellation request, go to the flight bookings page, select the option to change or cancel your booking, choose the relevant passengers and segment, and submit a request. Please note that additional charges may apply according to the airline ticket policy. However, if the flight has been rescheduled and you would like to change or cancel your ticket, you can submit an involuntary cancellation request. For more details about change and cancellation policies, please check the customer support pages.

• What is the average price of a one-way flight from Phnom Penh to Siem Reap?

  Based on Trip.com data for flights departing in the next 30 days, the average one-way fare from Phnom Penh to Siem Reap is £149. Fares vary by travel date, airline and availability.

• What is the average price of a return flight from Phnom Penh to Siem Reap?

  Based on Trip.com data for flights departing in the next 30 days, the average return fare from Phnom Penh to Siem Reap is £173. Fares vary by travel date, airline and availability.

• How do I book flights from Phnom Penh to Siem Reap on Trip.com?

  Enter Phnom Penh and Siem Reap, choose your travel dates and passengers, then compare flights by price, duration and baggage. Select a fare, review the change and cancellation rules, enter traveller details and complete payment to receive your confirmation.