Find cheap airlines flights from Siem Reap to Phnom Penh

You can choose from 2 airlines that fly from Siem Reap to Phnom Penh, including Air Cambodia, Cambodia Airways, Air Cambodia has lowest fares on this route.
Air Cambodia logo Air Cambodia
Cambodia Airways logo Cambodia Airways
Airlines are determined based on actual purchased flight tickets from Siem Reap to Phnom Penh according to previous 12 months data from Trip.com.

Book direct flights from Siem Reap to Phnom Penh: One way flights from $51, round trip flights from $131. Find flight deals for the next 3 months below.

Displayed flight fares from Siem Reap to Phnom Penh are based on average prices across airlines for the next 3 months, according to the latest Trip.com database.

Flight Info | Siem Reap to Phnom Penh

The distance between Siem Reap and Phnom Penh is approximately 235.57 km. It takes around 55 minutes on average to fly from Siem Reap to Phnom Penh.

Cheapest one-way flight price$51
Cheapest round-trip ticket price$131
Flight distance235.57 km
Average flight time55 minutes
Popular airlineAir Cambodia
Flight statistics for the Siem Reap–Phnom Penh route are based on aggregated booking data from Trip.com over the past 12 months.

Frequently Asked Questions

  • What are the cheapest flights from Siem Reap to Phnom Penh (SAI-KTI)?

    Based on Trip.com data, Air Cambodia offers one-way fares as low as $51 on Cheapest nonstop routes (e.g. SAI to KTI on Sat, Jun 13), while Air Cambodia offers Cheapest nonstop round-trips from $131 departing on Thu, Jul 2 and returning on Sat, Jul 4.
  • At the moment, you can catch a nonstop flight from Siem Reap to Phnom Penh 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.
  • It takes around 55 minutes to fly from Siem Reap (SAI) to Phnom Penh (KTI).
  • By analyzing data from all airlines on the Trip.com flight calendar, it looks like the best time to book a flight from Siem Reap to Phnom Penh 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.
  • Based on Trip.com data in the past 4 weeks, there is 8 flight per week flying from Siem Reap to Phnom Penh. You can check the weekly schedule for popular airlines on this route below: Air Cambodia: S/M/T/W/T/F/S -- K6108 (19:41)
  • To find best deals on flights from Siem Reap to Phnom Penh, you can use various tools on Trip.com:
    · Be flexible with your travel dates to get the cheapest flight deal. Now the cheapest flight deal is on Sat, Jun 13, with one-way flights priced at just $51.
    · Compare airlines strategically. Budget carriers often provide the lowest base fares, while we found the most affordable airline currently operating on this route is Air Cambodia.
    · Set up price alerts to easily monitor ticket prices without having to check every day.
    · Check Trip.com flight deals and promo codes frequently.
    · Get exclusive promo codes for Trip.com app users.
  • After crunching the numbers on our June flight calendar, it's currently cheapest to fly from Siem Reap to Phnom Penh on June 16, 2026 with Air Cambodia, with prices starting at $50.
  • You can land at any one of the following hubs in Phnom Penh, with Siem Reap Angkor International Airport to Techo International Airport (SAI-KTI) is by far the most common option on this route: Phnom Penh International Airport (PNH) Techo International Airport (KTI).
  • The time difference between Phnom Penh and Siem Reap is 0h.
  • Tickets can only be changed or canceled 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.

Note: Prices shown on this page are estimated lowest price and include all taxes and fees found in the last 24 hours.

Book with no extra fees

Prices displayed in this page are all-inclusive prices (incl. taxes, fuel surcharge, civil aviation development fund, etc) with all fees confirmed before payment. Fees for luggage, meals, WLAN, or other additional services are also included as shown in the flight cards.

Real-time pricing updates

Prices, availability, and travel information on this page were updated within last 24 hours—even in real-time. The more popular the route, the more precise the data.

Change & Cancellation Policy

Trip.com displays flight cancellation and change policies for each flight ticket during the booking process, including fees and applicable conditions. Please check the following scenarios:
Voluntary cancellation/change:
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.
Cancellation/change due to a flight schedule change:
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.