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Siem Reap

$56+ Cheap flights from Phnom Penh to Siem Reap, Cambodia (KTI - SAI)

KTI — SAI
Nov 4 — Nov 111
Wed 11/4
Wed 11/11
1 adult, Economy
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1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.
Cheapflights Tip: The best prices from Phnom Penh Techo Intl to Siem Reap–Angkor Intl are usually found in July or August, booked 79 days in advance, depart on a Wednesday or Monday and return on a Saturday

Cheap flight deals from Phnom Penh to Siem Reap

Cheapest flights from Phnom Penh to Siem Reap

Wed 10/71:00 pm -
Nonstop0h 55m
Fri 10/911:30 am -
Nonstop1h 05m
Deal found 10/4$123
Sun 10/184:55 pm -
Nonstop0h 55m
Mon 10/1911:30 am -
Nonstop1h 05m
Deal found 10/1$126
Thu 10/152:20 pm -
Nonstop0h 55m
Sun 10/187:20 pm -
Nonstop1h 05m
Deal found 10/1$131
Tue 10/209:30 am -
Nonstop1h 05m
Tue 10/208:20 pm -
Nonstop1h 10m
Deal found 10/1$134
Tue 10/69:55 am -
Nonstop0h 55m
Tue 10/138:20 pm -
Nonstop1h 10m
Deal found 10/1$136
Thu 10/152:20 pm -
Nonstop0h 55m
Mon 10/1911:30 am -
Nonstop1h 05m
Deal found 10/4$141
Wed 10/79:55 am -
Nonstop0h 55m
Sat 10/109:50 pm -
Nonstop0h 55m
Deal found 10/5$142
Sun 10/118:35 am -
Nonstop1h 00m
Wed 10/147:20 pm -
Nonstop1h 05m
Deal found 10/2$149
Sun 10/188:35 am -
Nonstop1h 00m
Sat 10/248:20 pm -
Nonstop1h 10m
Deal found 10/4$150
Sat 10/108:15 pm -
Nonstop0h 55m
Thu 10/157:20 pm -
Nonstop0h 50m
Deal found 10/1$152
Wed 10/218:35 am -
Nonstop1h 00m
Sun 10/257:40 pm -
Nonstop1h 05m
Deal found 10/4$155

Find flight deals from Phnom Penh to Siem Reap

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$126
(Trip.com)

One-way from

$56
(Booking.com)

Popular in

April

Cheapest in

July

Average price

$169
Provider with most accurate pricing for Phnom Penh Techo Intl-Siem Reap–Angkor Intl flight deals.
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Provider most trusted by Cheapflights users for Phnom Penh Techo Intl-Siem Reap–Angkor Intl flights.
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From Phnom Penh Techo Intl to Siem Reap–Angkor Intl
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One-way flight from Phnom Penh Techo Intl to Siem Reap–Angkor Intl
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Highest demand for flights based on searches. 16% potential increase in price ($32 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease ($5 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in October 2026
Search Deals

Cheapflights Fare Finder

 
Use the filters below to find and compare flights from Phnom Penh to Siem Reap that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

Phnom PenhSiem Reap

KTI Phnom Penh Techo Intl - SAI Siem Reap–Angkor Intl

KTISAI

Phnom Penh Techo Intl

Sat 1/16

9:30 am-10:35 am

Nonstop1h 05m

Siem Reap–Angkor Intl

Wed 12/31

12:00 am-12:00 am

Nonstop0h 00m

$88

Phnom PenhSiem Reap

KTI Phnom Penh Techo Intl - SAI Siem Reap–Angkor Intl

KTISAI

Phnom Penh Techo Intl

Thu 11/19

8:30 am-9:35 am

Nonstop1h 05m

Siem Reap–Angkor Intl

Wed 12/31

12:00 am-12:00 am

Nonstop0h 00m

$88
Quickest round-trip

Phnom PenhSiem Reap

KTI Phnom Penh Techo Intl - SAI Siem Reap–Angkor Intl

KTISAI

Phnom Penh Techo Intl

Sat 10/31

11:10 am-12:05 pm

Nonstop0h 55m

Siem Reap–Angkor Intl

Wed 12/31

12:00 am-12:00 am

Nonstop0h 00m

$90

Phnom PenhSiem Reap

KTI Phnom Penh Techo Intl - SAI Siem Reap–Angkor Intl

KTISAI

Phnom Penh Techo Intl

Sun 10/11

8:35 am-9:35 am

Nonstop1h 00m

Siem Reap–Angkor Intl

Wed 12/31

12:00 am-12:00 am

Nonstop0h 00m

$92

Phnom PenhSiem Reap

KTI Phnom Penh Techo Intl - SAI Siem Reap–Angkor Intl

KTISAI

Phnom Penh Techo Intl

Tue 12/29

8:30 am-9:35 am

Nonstop1h 05m

Siem Reap–Angkor Intl

Wed 12/31

12:00 am-12:00 am

Nonstop0h 00m

$92

Phnom PenhSiem Reap

KTI Phnom Penh Techo Intl - SAI Siem Reap–Angkor Intl

KTISAI

Phnom Penh Techo Intl

Fri 11/13

9:00 am-10:05 am

Nonstop1h 05m

Siem Reap–Angkor Intl

Wed 12/31

12:00 am-12:00 am

Nonstop0h 00m

$99

Phnom PenhSiem Reap

KTI Phnom Penh Techo Intl - SAI Siem Reap–Angkor Intl

KTISAI

Phnom Penh Techo Intl

Sun 11/15

9:30 am-10:35 am

Nonstop1h 05m

Siem Reap–Angkor Intl

Wed 12/31

12:00 am-12:00 am

Nonstop0h 00m

$99

Phnom PenhSiem Reap

KTI Phnom Penh Techo Intl - SAI Siem Reap–Angkor Intl

KTISAI

Phnom Penh Techo Intl

Sat 10/10

8:15 pm-9:10 pm

Nonstop0h 55m

Siem Reap–Angkor Intl

Wed 12/31

12:00 am-12:00 am

Nonstop0h 00m

$100

Phnom PenhSiem Reap

KTI Phnom Penh Techo Intl - SAI Siem Reap–Angkor Intl

KTISAI

Phnom Penh Techo Intl

Sat 10/24

9:30 am-10:35 am

Nonstop1h 05m

Siem Reap–Angkor Intl

Sat 10/24

8:20 pm-9:30 pm

Nonstop1h 10m

$150

Phnom PenhSiem Reap

KTI Phnom Penh Techo Intl - SAI Siem Reap–Angkor Intl

KTISAI

Phnom Penh Techo Intl

Thu 10/15

2:20 pm-3:15 pm

Nonstop0h 55m

Siem Reap–Angkor Intl

Fri 10/16

11:30 am-12:35 pm

Nonstop1h 05m

$159

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/5

Showing 1-10 of 24 resultsSorted by cheapest first
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Compare providers for flights from Phnom Penh to Siem Reap

Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Phnom Penh to Siem Reap in October.
ProviderPrice AccuracyTrust Score*
FlightHubPrice Accuracy3 starsTrust Score*3 stars
Trip.comPrice Accuracy1 starTrust Score*3 stars
GotogatePrice Accuracy2 starsTrust Score*3 stars
MytripPrice Accuracy2 starsTrust Score*3 stars
Kiwi.comPrice Accuracy3 starsTrust Score*3 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on Phnom Penh-Siem Reap flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Phnom Penh-Siem Reap flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Phnom Penh-Siem Reap flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Phnom Penh-Siem Reap flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Phnom Penh-Siem Reap flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

Best time to book a flight from Phnom Penh to Siem Reap

Have a flexible travel schedule? Discover the best time to fly to Siem Reap from Phnom Penh with our price prediction graph.
Estimated round-trip price

Cheapflights Insights

Everything you need to know about your flight from Phnom Penh to Siem Reap

How far ahead should I book a flight from Phnom Penh to Siem Reap?

The best time to book flights from Phnom Penh to Siem Reap is 63 days before your desired departure date. The cost of your flight will likely increase significantly if you book two weeks in advance of your flight.

What is the cheapest month to book a flight from Phnom Penh to Siem Reap?

Currently, July is the cheapest month in which you can book a flight from Phnom Penh to Siem Reap (average of $101). Flying from Phnom Penh to Siem Reap in April is currently the most expensive (average of $210). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

What is the cheapest time of day to fly from KTI to SAI?

It’s typically best to fly out from Phnom Penh to Siem Reap in the evening. Doing so could potentially save you 24% on the flight price compared to flying at noon, which is usually more expensive.

What is the cheapest day to fly from Phnom Penh to Siem Reap?

Travelers seeking maximum savings on their Phnom Penh to Siem Reap flight should consider departing on Sunday evenings when fares are most often at their lowest. Tuesday at noon flights should be avoided if possible as fares are typically the most expensive at this time.

How much does it cost to fly round-trip from Phnom Penh to Siem Reap?

Airfare is below average for this route at the moment.

Phnom Penh to Siem Reap flights typically cost between $146 and $207 in October.
The cheapest round-trip price found within the last 5 days was $126 on Multiple Airlines (Oct 18-Oct 19).

Related info for your journey

  • How popular is this Phnom Penh to Siem Reap flight route?

    The Phnom Penh Techo Intl to Siem Reap–Angkor Intl flight path was viewed by 27 users in the past month. Keep an eye out for changes in search interest prior to high and low season.

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

    There are many flights that can get you from Phnom Penh to Siem Reap in 1h 05m. Fly via Cambodia Airways to get the fastest option. The distance between Phnom Penh and Siem Reap is about 147 mi. Generally, flights for this route are nonstop.

  • What are the cheapest airlines flying from Phnom Penh to Siem Reap round-trip?

    According to our current data, Cambodia Airways ($87), and Cambodia Angkor Air ($89) offers the cheapest pricing from Phnom Penh to Siem Reap. Cambodia Airways is 46% cheaper than the average price of flights available within the next 90 days to this destination.

  • What are the most reliable airlines from Phnom Penh to Siem Reap?

    The top 3 most reliable airlines when flying from Phnom Penh to Siem Reap are Cambodia Airways (90%), Vietnam Airlines (83%) and Cambodia Angkor Air (83%).

  • Can I find deals for flights from Phnom Penh to Siem Reap that include hotel bookings?

    Yes. In addition to deals on Phnom Penh to Siem Reap flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Phnom Penh to Siem Reap?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Phnom Penh to Siem Reap.

  • Can I find deals for business class flights from Phnom Penh to Siem Reap?

    Yes. Cheapflights offers flight deals from Phnom Penh to Siem Reap by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Phnom Penh to Siem Reap?

    Currently, July is the cheapest month in which you can book a flight from Phnom Penh to Siem Reap (average of $101). Flying from Phnom Penh to Siem Reap in April is currently the most expensive (average of $210). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Browse thousands of different options on Cheapflights for your next trip

Top 2 airlines flying from Phnom Penh to Siem Reap

AirlineCheapestAverageFlexibilityOn-time
Cambodia AirwaysCheapest$87Average$111FlexibilityNo cancel feeOn-timeN/A
Cambodia Angkor AirCheapest$89Average$175FlexibilityNo cancel feeOn-timeN/A

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