Cheap flights from Phnom Penh to Siem Reap from $96 KTI → SAI
Techo International (KTI) → Siem Reap International Airport (SAI)
The cheapest return found recently is $218 with Cambodia Airways, 15 Dec – 16 Dec, found today. The cheapest one-way found recently is $96 with Cambodia Airways, 3 Jan 2027, found today.
- Cheapest one-way found recently
- $96, Cambodia Airways, found today
- Cheapest return found recently
- $218, 15 Dec to 16 Dec
- Cheapest month to fly
- February 2027, return fares from $211 found in the last 7 days
- Airlines with nonstop flights
- Cambodia Airways, Air Cambodia
- Shortest nonstop flight found
- 1 h 5 min
Return
Not enough comparable prices yet for a usual return price.
Cheapest return found recently
$218
15 Dec – 16 Dec · Cambodia Airways
Techo International (KTI) → Siem Reap International Airport (SAI)
Leaves 1:10 p.m. · Return leaves 3:00 p.m. · 1 h 55 min of travel, both ways together
out nonstop, back nonstop
found today
Cheapest nonstop return
$218
15 Dec – 16 Dec · Cambodia Airways
Techo International (KTI) → Siem Reap International Airport (SAI)
Leaves 1:10 p.m. · Return leaves 3:00 p.m. · 1 h 55 min of travel, both ways together
out nonstop, back nonstop
found today
Found recently, and the cheapest we hold
$218 15 Dec – 16 Decfound todaySee prices for these dates
$211 11 Feb 2027 – 11 Feb 2027found 2 days agoSee prices for these dates
What have prices looked like?
Over 37 days, 24 Sept to 12 Nov, the cheapest return we saw each day was $146 to $634.
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 2 departure dates and need at least 3 to say what is usual.
Could nearby dates be cheaper?
We hold no other 1-night return fares leaving within 3 days of 15 Dec to compare.
Every date we hold
3 fares on 2 departure dates
See the chart as a table
| Dates | From | Airline | Airports | Stops | Found | |
|---|---|---|---|---|---|---|
| 15 Dec – 16 Dec | $218 | Cambodia Airways | Techo International (KTI) → Siem Reap International Airport (SAI) | out nonstop, back nonstop | found today | See prices for these dates |
| 11 Feb 2027 – 11 Feb 2027 | $211 | Cambodia Airways | Techo International (KTI) → Siem Reap International Airport (SAI) | out nonstop, back nonstop | found 2 days ago | See prices for these dates |
Which month looks cheapest?
February 2027 is the cheapest month — from $211.
Airlines on the cheapest dates: Cambodia Airways.
One-way
The cheapest one-way fare on each of 10 departure dates is usually $97 to $111.
Cheapest one-way found recently
$96
3 Jan 2027 · Cambodia Airways
Techo International (KTI) → Siem Reap International Airport (SAI)
Leaves 9:30 a.m. · 1 h 5 min trip
nonstop
found today
Cheapest nonstop one-way
$96
3 Jan 2027 · Cambodia Airways
Techo International (KTI) → Siem Reap International Airport (SAI)
Leaves 9:30 a.m. · 1 h 5 min trip
nonstop
found today
Found recently, and the cheapest we hold
$96 3 Jan 2027found todayOpen this trip
$94 30 Novfound 4 days agoOpen this trip
What have prices looked like?
Over 50 days, 24 Sept to 12 Nov, the cheapest one-way we saw each day was $55 to $96.
At $96, the cheapest one-way found recently is at the high end of that range.
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 10 departure dates from 21 Nov to 7 Apr 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 3 Jan 2027, and it is not cheaper.
Every date we hold
11 fares on 10 departure dates
See the chart as a table
| Dates | From | Airline | Airports | Stops | Found | |
|---|---|---|---|---|---|---|
| 21 Nov | $127 | Cambodia Airways | Techo International (KTI) → Siem Reap International Airport (SAI) | nonstop | found 5 days ago | Open this trip |
| 30 Nov | $94 | Cambodia Airways | Techo International (KTI) → Siem Reap International Airport (SAI) | nonstop | found 4 days ago | Open this trip |
| 10 Dec | $98 | Cambodia Airways | Techo International (KTI) → Siem Reap International Airport (SAI) | nonstop | found yesterday | Open this trip |
| 3 Jan 2027 | $96 | Cambodia Airways | Techo International (KTI) → Siem Reap International Airport (SAI) | nonstop | found today | Open this trip |
| 4 Jan 2027 | $96 | Cambodia Airways | Techo International (KTI) → Siem Reap International Airport (SAI) | nonstop | found yesterday | Open this trip |
| 18 Jan 2027 | $110 | Cambodia Airways | Techo International (KTI) → Siem Reap International Airport (SAI) | nonstop | found 4 days ago | Open this trip |
| 19 Jan 2027 | $108 | Cambodia Airways | Techo International (KTI) → Siem Reap International Airport (SAI) | nonstop | found 2 days ago | Open this trip |
| 28 Feb 2027 | $108 | Cambodia Airways | Techo International (KTI) → Siem Reap International Airport (SAI) | nonstop | found 2 days ago | Open this trip |
| 24 Mar 2027 | $111 | Cambodia Airways | Techo International (KTI) → Siem Reap International Airport (SAI) | nonstop | found 6 days ago | Open this trip |
| 7 Apr 2027 | $134 | Air Cambodia | Techo International (KTI) → Siem Reap International Airport (SAI) | nonstop | found 3 days ago | Open this trip |
Which month looks cheapest?
November 2026 is the cheapest month — from $94.
Airlines on the cheapest dates: Cambodia Airways, Air Cambodia.
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 15 Dec – 16 Dec in another cabin: Premium economy · Business · First
Today's prices for 3 Jan 2027 in another cabin: Premium economy · Business · First
How far ahead were prices cheapest for Phnom Penh to Siem Reap?
Return
Fares 14 to 29 days before departure were typically 6% lower than 0 to 6 days before departure.
From the cheapest return each day between 24 Sept and 12 Nov (37 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 | $206 | $173 | +6% | 15 |
| 7–13 days | $253 | $146 | +30% | 13 |
| 14–29 days | $194 | $146 | Cheapest seen | 21 |
| 30–59 days | $194 | $174 | +0% | 18 |
| 60–89 days | $220 | $214 | +13% | 18 |
| 90–179 days | $194 | $193 | +0% | 24 |
One-way
Fares 7 to 13 days before departure were typically 6% lower than 0 to 6 days before departure.
From the cheapest one-way each day between 24 Sept and 12 Nov (50 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 | $56 | +7% | 47 |
| 7–13 days | $73 | $55 | Cheapest seen | 44 |
| 14–29 days | $82 | $55 | +12% | 41 |
| 30–59 days | $91 | $84 | +25% | 50 |
| 60–89 days | $101 | $93 | +38% | 50 |
| 90–179 days | $107 | $91 | +47% | 47 |
| 180+ days | $138 | $138 | +89% | 7 |
Live price for these dates
The cheapest return found recently is for 15 Dec – 16 Dec. 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 return flight from Phnom Penh to Siem Reap?
The cheapest return found recently is $218 with Cambodia Airways, 15 Dec to 16 Dec, found today. The cheapest return we hold, of any age, is $211 with Cambodia Airways, 11 Feb 2027 to 11 Feb 2027, found 2 days ago.
How much is a one-way flight from Phnom Penh to Siem Reap?
The cheapest one-way found recently is $96 with Cambodia Airways, 3 Jan 2027, found today. The cheapest one-way we hold, of any age, is $94 with Cambodia Airways, 30 Nov, found 4 days ago. The cheapest one-way fare on each of 10 departure dates is usually $97 to $111.
What is the cheapest month to fly from Phnom Penh to Siem Reap?
February 2027 is the cheapest month for a return, from $211, 11 Feb 2027 to 11 Feb 2027, found 2 days ago. November 2026 is the cheapest month for a one-way, from $94, 30 Nov, found 4 days ago.
How far ahead should I book a flight from Phnom Penh to Siem Reap?
In 37 days of prices between 24 Sept and 12 Nov, return fares 14 to 29 days before departure were typically 6% lower than 0 to 6 days before departure. In 50 days of prices between 24 Sept and 12 Nov, one-way fares 7 to 13 days before departure were typically 6% lower than 0 to 6 days before departure.
Is there a direct flight from Phnom Penh to Siem Reap?
Yes, the cheapest nonstop return found recently is $218 with Cambodia Airways, 15 Dec to 16 Dec, found today. The cheapest nonstop one-way found recently is $96 with Cambodia Airways, 3 Jan 2027, found today.
How long is the flight from Phnom Penh to Siem Reap?
The cheapest nonstop one-way found recently, with Cambodia Airways on 3 Jan 2027, takes 1 h 5 min from Techo International (KTI) to Siem Reap International Airport (SAI).
Which airlines have the cheapest flights from Phnom Penh to Siem Reap?
Between 21 Nov and 7 Apr 2027, Cambodia Airways has the cheapest one-way on 9 of the 10 departure dates we hold, and Air Cambodia 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