Phnom Penh to Siem Reap KTI → SAI
Techo International (KTI) → Siem Reap International Airport (SAI)
The cheapest return found recently is $194 with Cambodia Airways, 11 Nov – 13 Nov, found yesterday. The cheapest one-way found recently is $86 with Cambodia Airways, 8 Dec, found yesterday.
Return
Not enough comparable prices yet for a usual return price.
Cheapest return found recently
$194
11 Nov – 13 Nov · Cambodia Airways
Techo International (KTI) → Siem Reap International Airport (SAI)
Leaves 9:25 a.m. · Return leaves 9:05 p.m. · 1 h 55 min of travel, both ways together
out nonstop, back nonstop
found yesterday
Cheapest nonstop return
$194
11 Nov – 13 Nov · Cambodia Airways
Techo International (KTI) → Siem Reap International Airport (SAI)
Leaves 9:25 a.m. · Return leaves 9:05 p.m. · 1 h 55 min of travel, both ways together
out nonstop, back nonstop
found yesterday
Found recently, and the cheapest we hold
$194 11 Nov – 13 Novfound yesterdaySee prices for these dates
It is also the cheapest return we hold, of any age.
What have prices looked like?
Over 12 days, 24 Sept to 18 Oct, the cheapest return we saw each day was $174 to $634.
12 days is a short history, so treat this range as an early guide.
Those were the prices on those days, not today's.
Is this a good return price?
Not enough comparable prices yet: we hold return fares on 1 departure date and need at least 3 to say what is usual.
Could nearby dates be cheaper?
We hold no other 2-night return fares leaving within 3 days of 11 Nov to compare.
Every date we hold
1 fares on 1 departure dates
See every date as a table
| Dates | From | Airline | Airports | Stops | Found | |
|---|---|---|---|---|---|---|
| 11 Nov – 13 Nov | $194 | Cambodia Airways | Techo International (KTI) → Siem Reap International Airport (SAI) | out nonstop, back nonstop | found yesterday | See prices for these dates |
Airlines on the cheapest dates: Cambodia Airways.
One-way
The cheapest one-way fare on each of 12 departure dates is usually $92 to $109.
Cheapest one-way found recently
$86
8 Dec · Cambodia Airways
Techo International (KTI) → Siem Reap International Airport (SAI)
Leaves 1:10 p.m. · 1 h 5 min trip
nonstop
found yesterday
Cheapest nonstop one-way
$86
8 Dec · Cambodia Airways
Techo International (KTI) → Siem Reap International Airport (SAI)
Leaves 1:10 p.m. · 1 h 5 min trip
nonstop
found yesterday
Found recently, and the cheapest we hold
$86 8 Decfound yesterdayOpen this trip
$73 27 Octfound 2 days agoOpen this trip
What have prices looked like?
Over 25 days, 24 Sept to 18 Oct, the cheapest one-way we saw each day was $62 to $85.
At $86, the cheapest one-way found recently is above that range.
25 days is a short history, so treat this range as an early guide.
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 12 departure dates from 20 Oct to 12 Jan 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?
No. We hold one-way fares on 1 other departure date within 3 days of 8 Dec, and it is not cheaper.
Every date we hold
12 fares on 12 departure dates
See the chart as a table
| Dates | From | Airline | Airports | Stops | Found | |
|---|---|---|---|---|---|---|
| 20 Oct | $94 | Cambodia Airways | Techo International (KTI) → Siem Reap International Airport (SAI) | nonstop | found 5 days ago | Open this trip |
| 23 Oct | $99 | Cambodia Airways | Techo International (KTI) → Siem Reap International Airport (SAI) | nonstop | found 2 days ago | Open this trip |
| 25 Oct | $85 | Cambodia Airways | Techo International (KTI) → Siem Reap International Airport (SAI) | nonstop | found 4 days ago | Open this trip |
| 27 Oct | $73 | Cambodia Airways | Techo International (KTI) → Siem Reap International Airport (SAI) | nonstop | found 2 days ago | Open this trip |
| 2 Dec | $123 | Cambodia Airways | Techo International (KTI) → Siem Reap International Airport (SAI) | nonstop | found 6 days ago | Open this trip |
| 5 Dec | $109 | Cambodia Airways | Techo International (KTI) → Siem Reap International Airport (SAI) | nonstop | found 3 days ago | Open this trip |
| 8 Dec | $86 | Cambodia Airways | Techo International (KTI) → Siem Reap International Airport (SAI) | nonstop | found yesterday | Open this trip |
| 20 Dec | $99 | Cambodia Airways | Techo International (KTI) → Siem Reap International Airport (SAI) | nonstop | found 2 days ago | Open this trip |
| 30 Dec | $123 | Cambodia Airways | Techo International (KTI) → Siem Reap International Airport (SAI) | nonstop | found 6 days ago | Open this trip |
| 3 Jan 2027 | $109 | Cambodia Airways | Techo International (KTI) → Siem Reap International Airport (SAI) | nonstop | found 4 days ago | Open this trip |
| 11 Jan 2027 | $109 | Cambodia Airways | Techo International (KTI) → Siem Reap International Airport (SAI) | nonstop | found yesterday | Open this trip |
| 12 Jan 2027 | $109 | Cambodia Airways | Techo International (KTI) → Siem Reap International Airport (SAI) | nonstop | found yesterday | Open this trip |
Which month looks cheapest?
October 2026 is the cheapest month — from $73.
Airlines on the cheapest dates: Cambodia Airways.
Premium cabin fares from Phnom Penh to Siem Reap
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 11 Nov – 13 Nov in another cabin: Premium economy · Business · First
Today's prices for 8 Dec in another cabin: Premium economy · Business · First
How far ahead were prices cheapest for Phnom Penh to Siem Reap?
Return
The cheapest fares were 30 to 59 days before departure.
From the cheapest return each day between 24 Sept and 18 Oct (12 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 |
|---|---|---|---|---|
| 30–59 days | $174 | $174 | Cheapest seen | 9 |
| 60–89 days | $634 | $634 | +264% | 8 |
| 90–179 days | $194 | $194 | +12% | 7 |
One-way
Fares 7 to 13 days before departure were typically 5% lower than 0 to 6 days before departure.
From the cheapest one-way each day between 24 Sept and 18 Oct (25 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 | $77 | $62 | +6% | 25 |
| 7–13 days | $73 | $62 | Cheapest seen | 25 |
| 14–29 days | $88 | $78 | +21% | 18 |
| 30–59 days | $91 | $86 | +25% | 25 |
| 60–89 days | $101 | $96 | +38% | 25 |
| 90–179 days | $96 | $91 | +32% | 23 |
| 180+ days | $138 | $138 | +89% | 7 |
Live price for these dates
The cheapest return found recently is for 11 Nov – 13 Nov. A live search on this page shows what those dates cost now, for one adult in economy.
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