Cheap flights from Siem Reap to Phnom Penh from $79 SAI → KTI
Siem Reap International Airport (SAI) → Techo International (KTI)
The cheapest one-way found recently is $79 with Cambodia Airways, 26 Nov, found 2 days ago.
- Cheapest one-way found recently
- $79, Cambodia Airways, found 2 days ago
- Cheapest month to fly
- November 2026, one-way fares from $79 found in the last 7 days
- Airlines with nonstop flights
- Cambodia Airways, Air Cambodia
- Shortest nonstop flight found
- 1 h 5 min
One-way
The cheapest one-way fare on each of 17 departure dates is usually $108 to $124.
Cheapest one-way found recently
$79
26 Nov · Cambodia Airways
Siem Reap International Airport (SAI) → Techo International (KTI)
Leaves 8:05 p.m. · 1 h 5 min trip
nonstop
found 2 days ago
Cheapest nonstop one-way
$79
26 Nov · Cambodia Airways
Siem Reap International Airport (SAI) → Techo International (KTI)
Leaves 8:05 p.m. · 1 h 5 min trip
nonstop
found 2 days ago
Found recently, and the cheapest we hold
$79 26 Novfound 2 days agoOpen this trip
It is also the cheapest one-way we hold, of any age.
What have prices looked like?
Over 49 days, 24 Sept to 11 Nov, the cheapest one-way we saw each day was $55 to $89.
Those were the prices on those days, not today's.
Is this a good one-way price?
Compared with the cheapest one-way fare on each of 17 departure dates from 17 Nov to 3 Oct 2027, found by travelers' searches in the last 7 days (economy, the price the seller showed on Aviasales). The usual range is the middle half of those prices.
Could nearby dates be cheaper?
We hold no other one-way fares leaving within 3 days of 26 Nov to compare.
Every date we hold
17 fares on 17 departure dates
See the chart as a table
| Dates | From | Airline | Airports | Stops | Found | |
|---|---|---|---|---|---|---|
| 17 Nov | $88 | Air Cambodia | Siem Reap International Airport (SAI) → Techo International (KTI) | nonstop | found 2 days ago | Open this trip |
| 18 Nov | $85 | Cambodia Airways | Siem Reap International Airport (SAI) → Techo International (KTI) | nonstop | found 2 days ago | Open this trip |
| 26 Nov | $79 | Cambodia Airways | Siem Reap International Airport (SAI) → Techo International (KTI) | nonstop | found 2 days ago | Open this trip |
| 5 Dec | $98 | Cambodia Airways | Siem Reap International Airport (SAI) → Techo International (KTI) | nonstop | found 7 days ago | Open this trip |
| 7 Dec | $145 | Cambodia Airways | Siem Reap International Airport (SAI) → Techo International (KTI) | nonstop | found 2 days ago | Open this trip |
| 9 Dec | $108 | Cambodia Airways | Siem Reap International Airport (SAI) → Techo International (KTI) | nonstop | found 4 days ago | Open this trip |
| 10 Dec | $109 | Cambodia Airways | Siem Reap International Airport (SAI) → Techo International (KTI) | nonstop | found 3 days ago | Open this trip |
| 11 Dec | $110 | Cambodia Airways | Siem Reap International Airport (SAI) → Techo International (KTI) | nonstop | found 5 days ago | Open this trip |
| 5 Jan 2027 | $110 | Cambodia Airways | Siem Reap International Airport (SAI) → Techo International (KTI) | nonstop | found 5 days ago | Open this trip |
| 19 Jan 2027 | $108 | Cambodia Airways | Siem Reap International Airport (SAI) → Techo International (KTI) | nonstop | found 2 days ago | Open this trip |
| 22 Jan 2027 | $109 | Cambodia Airways | Siem Reap International Airport (SAI) → Techo International (KTI) | nonstop | found 4 days ago | Open this trip |
| 24 Jan 2027 | $109 | Cambodia Airways | Siem Reap International Airport (SAI) → Techo International (KTI) | nonstop | found 7 days ago | Open this trip |
| 15 Mar 2027 | $110 | Cambodia Airways | Siem Reap International Airport (SAI) → Techo International (KTI) | nonstop | found 6 days ago | Open this trip |
| 20 Mar 2027 | $196 | Thai AirAsia | Siem Reap International Airport (SAI) → Techo International (KTI) | stops unknown | found 6 days ago | Open this trip |
| 24 Mar 2027 | $124 | Air Cambodia | Siem Reap International Airport (SAI) → Techo International (KTI) | nonstop | found 6 days ago | Open this trip |
| 30 Sept 2027 | $128 | Air Cambodia | Siem Reap International Airport (SAI) → Techo International (KTI) | nonstop | found 5 days ago | Open this trip |
| 3 Oct 2027 | $128 | Air Cambodia | Siem Reap International Airport (SAI) → Techo International (KTI) | nonstop | found 2 days ago | Open this trip |
Which month looks cheapest?
November 2026 is the cheapest month — from $79.
Airlines on the cheapest dates: Cambodia Airways, Air Cambodia, Thai AirAsia.
Premium cabin fares from Siem Reap to Phnom Penh
We hold no premium economy, business or first-class fares for this route: we collect them for the busiest routes, and this one is not among them yet.
Today's prices for 26 Nov in another cabin: Premium economy · Business · First
How far ahead were prices cheapest for Siem Reap to Phnom Penh?
One-way
Fares 14 to 29 days before departure were typically 8% lower than 0 to 6 days before departure.
From the cheapest one-way each day between 24 Sept and 11 Nov (49 days), grouped by how many days ahead the flight left; one adult in economy.
Each range covers different departure dates, so this compares typical fares, not the same trip priced twice.
Prices reflect recent searches — current fares may differ.
See these ranges as a table
| Booked ahead by | Typical fare | Cheapest day | Above the cheapest | Days of prices |
|---|---|---|---|---|
| 0–6 days | $78 | $55 | +8% | 47 |
| 7–13 days | $73 | $55 | +1% | 42 |
| 14–29 days | $72 | $67 | Cheapest seen | 27 |
| 30–59 days | $91 | $72 | +26% | 44 |
| 60–89 days | $109 | $89 | +51% | 34 |
| 90–179 days | $109 | $90 | +51% | 37 |
Live price for these dates
The cheapest one-way found recently is for 26 Nov. A live search on this page shows what those dates cost now, for one adult in economy.
Questions about this trip
How much is a one-way flight from Siem Reap to Phnom Penh?
The cheapest one-way found recently is $79 with Cambodia Airways, 26 Nov, found 2 days ago. The cheapest one-way fare on each of 17 departure dates is usually $108 to $124.
What is the cheapest month to fly from Siem Reap to Phnom Penh?
November 2026 is the cheapest month for a one-way, from $79, 26 Nov, found 2 days ago.
How far ahead should I book a flight from Siem Reap to Phnom Penh?
In 49 days of prices between 24 Sept and 11 Nov, one-way fares 14 to 29 days before departure were typically 8% lower than 0 to 6 days before departure.
Is there a direct flight from Siem Reap to Phnom Penh?
Yes, the cheapest nonstop one-way found recently is $79 with Cambodia Airways, 26 Nov, found 2 days ago.
How long is the flight from Siem Reap to Phnom Penh?
The cheapest nonstop one-way found recently, with Cambodia Airways on 26 Nov, takes 1 h 5 min from Siem Reap International Airport (SAI) to Techo International (KTI).
Which airlines have the cheapest flights from Siem Reap to Phnom Penh?
Between 17 Nov and 3 Oct 2027, Cambodia Airways has the cheapest one-way on 12 of the 17 departure dates we hold, Air Cambodia on 4 and Thai AirAsia on 1.
Prices are what travelers' searches on Aviasales found in the last 7 days, in US dollars: the price the seller showed on Aviasales; bags may cost extra. Fares change, so check today's price before you book. How our prices work