Find the cheapest flights from Phnom Penh to Siem Reap
Cheap return flights
Cheap one-way flights
Cheap last-minute flights
Cheap direct flights
Save money when you book flights with momondo
Big names, great deals
Big names, great deals
Search 100s of travel sites to compare prices.Filter for what you want
Filter for what you want
Free Wi-Fi? Stopover? Instantly customise your results.Trusted and free
Trusted and free
We’re completely free to use - no hidden charges or fees.Price Alerts
Price Alerts
Not ready to book? to track prices.Cambodia Airways flights from Phnom Penh to Siem Reap
Our best Cambodia Airways deals on Phnom Penh to Siem Reap flight tickets
Vietnam Airlines flights from Phnom Penh to Siem Reap
Our best Vietnam Airlines deals on Phnom Penh to Siem Reap flight tickets
momondo 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
Phnom PenhSiem Reap
KTI Phnom Penh Techo Intl - SAI Siem Reap–Angkor Intl
KTISAI
Phnom Penh Techo Intl
Sun 18/10
08:35-09:35
Nonstop1h 00m
Siem Reap–Angkor Intl
Sat 24/10
20:20-21:30
Nonstop1h 10m
Phnom PenhSiem Reap
KTI Phnom Penh Techo Intl - SAI Siem Reap–Angkor Intl
KTISAI
Phnom Penh Techo Intl
Sat 7/11
09:30-10:35
Nonstop1h 05m
Siem Reap–Angkor Intl
Tue 10/11
19:40-20:45
Nonstop1h 05m
Phnom PenhSiem Reap
KTI Phnom Penh Techo Intl - SAI Siem Reap–Angkor Intl
KTISAI
Phnom Penh Techo Intl
Thu 3/12
09:30-10:35
Nonstop1h 05m
Siem Reap–Angkor Intl
Fri 4/12
15:20-16:25
Nonstop1h 05m
Phnom PenhSiem Reap
KTI Phnom Penh Techo Intl - SAI Siem Reap–Angkor Intl
KTISAI
Phnom Penh Techo Intl
Sun 8/11
09:30-10:35
Nonstop1h 05m
Siem Reap–Angkor Intl
Tue 10/11
19:40-20:45
Nonstop1h 05m
Phnom PenhSiem Reap
KTI Phnom Penh Techo Intl - SAI Siem Reap–Angkor Intl
KTISAI
Phnom Penh Techo Intl
Tue 22/12
07:40-08:35
Nonstop0h 55m
Siem Reap–Angkor Intl
Fri 25/12
21:05-21:50
Nonstop0h 45m
Phnom PenhSiem Reap
KTI Phnom Penh Techo Intl - SAI Siem Reap–Angkor Intl
KTISAI
Phnom Penh Techo Intl
Sun 8/11
13:50-17:40
1 stop3h 50m
Siem Reap–Angkor Intl
Tue 10/11
20:30-13:00
2 stops16h 30m
Phnom PenhSiem Reap
KTI Phnom Penh Techo Intl - SAI Siem Reap–Angkor Intl
KTISAI
Phnom Penh Techo Intl
Thu 3/12
13:50-20:30
1 stop6h 40m
Siem Reap–Angkor Intl
Fri 4/12
21:30-16:40
1 stop19h 10m
Phnom PenhSiem Reap
KTI Phnom Penh Techo Intl - SAI Siem Reap–Angkor Intl
KTISAI
Phnom Penh Techo Intl
Mon 26/10
20:00-16:55
1 stop20h 55m
Siem Reap–Angkor Intl
Mon 2/11
17:55-13:00
2 stops19h 05m
Phnom PenhSiem Reap
KTI Phnom Penh Techo Intl - SAI Siem Reap–Angkor Intl
KTISAI
Phnom Penh Techo Intl
Sun 8/11
13:50-16:55
2 stops51h 05m
Siem Reap–Angkor Intl
Tue 10/11
20:30-13:00
2 stops16h 30m
Phnom PenhSiem Reap
KTI Phnom Penh Techo Intl - SAI Siem Reap–Angkor Intl
KTISAI
Phnom Penh Techo Intl
Mon 26/10
17:30-16:55
2 stops23h 25m
Siem Reap–Angkor Intl
Tue 3/11
20:30-13:00
2 stops16h 30m
See travel insights to Siem Reap from
How to get the cheapest flight ticket from Phnom Penh to Siem Reap
Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip
What is the typical price of a round-trip flight between Phnom Penh and Siem Reap?
Prices are currently typical for flights on this route.
Typical prices usually range from €130 to €184.The lowest price recently found on this route was €133.
What is the cheapest month to fly to Siem Reap?
If you aren’t able to travel during the month of July, then book flights to Siem Reap from Phnom Penh during August instead. Flights to Siem Reap in August, while not as cheap as those in July, still average around €95.
What is the cheapest Phnom Penh Techo Intl to Siem Reap–Angkor Intl flight route?
Fly from Phnom Penh Techo Intl to Siem Reap–Angkor Intl for the best Phnom Penh Techo Intl - Siem Reap–Angkor Intl flight prices
How far in advance should I book a flight from Phnom Penh to Siem Reap?
You are more likely to see cheaper flights to Siem Reap from Phnom Penh when booking weeks ahead of your departure date. In general, you can expect to find flights to Siem Reap for around €145 when searching weeks before you fly. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Siem Reap from Phnom Penh for as low as €114 on momondo.
What cabin class options are available on Phnom Penh to Siem Reap flights?
There is only 1 cabin class available to choose from on Phnom Penh to Siem Reap flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.
How many flights depart from Phnom Penh to Siem Reap on average per day?
The number of flights available between Phnom Penh and Siem Reap is 2 per day as of October 2026. The most frequent departure time is 16:00, with 37% of daily flights leaving at midday.
How many flights depart from Phnom Penh to Siem Reap on average per week?
The number of flights available between Phnom Penh and Siem Reap is 16 per week as of October 2026. The most frequent departure day is Mon, with 44% of weekly flights leaving on this day.
When to book flights from Phnom Penh to Siem Reap
Cheap Phnom Penh to Siem Reap (KTI to SAI) flight deals and tips
Find info about flight duration, direct flights, and airports for your flight from Phnom Penh to Siem Reap
Frequently asked questions about flying from Phnom Penh to Siem Reap
How far is Phnom Penh Techo Intl to Siem Reap–Angkor Intl by plane?
The straight-line distance from Phnom Penh Techo Intl to Siem Reap–Angkor Intl is 230.3 km.
When did momondo last update prices for flights from Phnom Penh Techo Intl Airport to Siem Reap–Angkor Intl Airport?
Prices for flights from Phnom Penh Techo Intl Airport to Siem Reap–Angkor Intl Airport are updated daily.
How old do you have to be to fly from Phnom Penh Techo Intl Airport to Siem Reap–Angkor Intl Airport?
The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Phnom Penh Techo Intl Airport to Siem Reap–Angkor Intl Airport.
What documentation or ID do you need to fly to Siem Reap–Angkor Intl Airport?
The travel and health documents you'll need for your trip to Siem Reap–Angkor Intl Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's licence and a passport that is valid for six months after your intended arrival at Siem Reap–Angkor Intl Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.
Why use momondo?
Why should I use momondo to find a flight deal from Phnom Penh to Siem Reap?
momondo compares prices from hundreds of airlines and agents so you can find and book the best deal on flights from Phnom Penh to Siem Reap . Millions of users trust and use momondo every year so you are in good hands.
Can I find flights from Phnom Penh to Siem Reap with flexible booking policies on momondo?
Yes. momondo enables you to select and highlight flights to Siem Reap from Phnom Penh with this policy.
How can momondo help me find flights from Phnom Penh to Siem Reap?
momondo provides multiple filters to help you find the best flight to Siem Reap from Phnom Penh. Filter by price, airline, airports, cabin, aircraft, payment method, number of stops and more.
I’m not ready to book a flight from Phnom Penh to Siem Reap right now. Can momondo alert me if prices change?
Yes momondo offers price alerts on flights to Siem Reap from Phnom Penh. After performing a search on this page you should be able to see the price alert set up feature. Simply provide a valid email address and momondo will instantly alert you when prices change.