Siem Reap to Singapore SAI → SIN

Siem Reap International Airport (SAI) → Changi International Airport (SIN)

The cheapest return found recently is $333 with AirAsia Cambodia, 28 Feb 2027 – 7 Mar 2027, found yesterday. The cheapest one-way found recently is $167 with AirAsia Cambodia, 5 Jan 2027, found yesterday.

Return

The cheapest return fare on each of 3 departure dates is usually $355 to $383.

Cheapest return found recently

$333

28 Feb 2027 – 7 Mar 2027 · AirAsia Cambodia

Siem Reap International Airport (SAI) → Changi International Airport (SIN)

Leaves 6:55 p.m. · Return leaves 8:55 a.m. · 18 h 15 min of travel, both ways together

out 1 stop, back 1 stop

found yesterday

See prices for these dates Check today's price

Cheapest nonstop return

None seen yet.

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Found recently, and the cheapest we hold

Cheapest found recently $333 28 Feb 2027 – 7 Mar 2027found yesterdaySee prices for these dates

It is also the cheapest return we hold, of any age.

What have prices looked like?

Over 24 days, 24 Sept to 18 Oct, the cheapest return we saw each day was $276 to $376.

$333, the cheapest return found recently, sits here in that range of $276 to $376.

24 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?

Compared with the cheapest return fare on each of 3 departure dates from 21 Dec to 28 Feb 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 7-night return fares leaving within 3 days of 28 Feb 2027 to compare.

Every date we hold

3 fares on 3 departure dates

See the chart as a table

The cheapest price seen for each departure date — per traveler in Economy.
Dates	From	Airline	Airports	Stops	Found
21 Dec – 23 Dec	$376	Vietjet	Siem Reap International Airport (SAI) → Changi International Airport (SIN)	out 1 stop, back 1 stop	found 5 days ago	See prices for these dates
3 Jan 2027 – 4 Jan 2027	$389	Air Cambodia	Siem Reap International Airport (SAI) → Changi International Airport (SIN)	out 1 stop, back 1 stop	found yesterday	See prices for these dates
28 Feb 2027 – 7 Mar 2027	$333	AirAsia Cambodia	Siem Reap International Airport (SAI) → Changi International Airport (SIN)	out 1 stop, back 1 stop	found yesterday	See prices for these dates

Which month looks cheapest?

February 2027 is the cheapest month — from $333.

December 2026From $3761 departure date21 Dec – 23 Dec · found 5 days agoSee prices for these dates

January 2027From $3891 departure date3 Jan 2027 – 4 Jan 2027 · found yesterdaySee prices for these dates

February 2027From $333Cheapest seen1 departure date28 Feb 2027 – 7 Mar 2027 · found yesterdaySee prices for these dates

Airlines on the cheapest dates: Vietjet, Air Cambodia, AirAsia Cambodia.

One-way

The cheapest one-way fare on each of 3 departure dates is usually $133 to $153.

Cheapest one-way found recently

$167

5 Jan 2027 · AirAsia Cambodia

Siem Reap International Airport (SAI) → Changi International Airport (SIN)

Leaves 10:00 a.m. · 7 h trip

stops unknown

found yesterday

Open this trip Check today's price

Cheapest nonstop one-way

None seen yet.

FareTell may earn a commission when you book through a partner.

Found recently, and the cheapest we hold

Cheapest found recently $167 5 Jan 2027found yesterdayOpen this trip

Cheapest we hold, of any age $127 21 Mar 2027found 4 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 $100 to $139.

At $167, 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 3 departure dates from 17 Nov to 21 Mar 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 5 Jan 2027 to compare.

Every date we hold

3 fares on 3 departure dates

See the chart as a table

The cheapest price seen for each departure date — per traveler in Economy.
Dates	From	Airline	Airports	Stops	Found
17 Nov	$139	Vietjet	Siem Reap International Airport (SAI) → Changi International Airport (SIN)	1 stop	found 5 days ago	Open this trip
5 Jan 2027	$167	AirAsia Cambodia	Siem Reap International Airport (SAI) → Changi International Airport (SIN)	stops unknown	found yesterday	Open this trip
21 Mar 2027	$127	Vietjet	Siem Reap International Airport (SAI) → Changi International Airport (SIN)	1 stop	found 4 days ago	Open this trip

Which month looks cheapest?

March 2027 is the cheapest month — from $127.

November 2026From $1391 departure date17 Nov · found 5 days agoOpen this trip

January 2027From $1671 departure date5 Jan 2027 · found yesterdayOpen this trip

March 2027From $127Cheapest seen1 departure date21 Mar 2027 · found 4 days agoOpen this trip

Airlines on the cheapest dates: Vietjet, AirAsia Cambodia.

Premium cabin fares from Siem Reap to Singapore

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 28 Feb 2027 – 7 Mar 2027 in another cabin: Premium economy · Business · First

Today's prices for 5 Jan 2027 in another cabin: Premium economy · Business · First

How far ahead were prices cheapest for Siem Reap to Singapore?

Return

Fares 180 or more days before departure were typically 26% lower than 30 to 59 days before departure.

30–59 days$374+36%

90–179 days$333+21%

180+ days$276Cheapest seen

From the cheapest return each day between 24 Sept and 18 Oct (24 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

Typical price in each booking range — round trip, per traveler in Economy.
Booked ahead by	Typical fare	Cheapest day	Above the cheapest	Days of prices
30–59 days	$374	$374	+36%	8
90–179 days	$333	$292	+21%	12
180+ days	$276	$276	Cheapest seen	8

One-way

The cheapest fares were 14 to 29 days before departure.

14–29 days$103Cheapest seen

30–59 days$108+5%

60–89 days$135+31%

90–179 days$130+26%

180+ days$138+34%

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

Typical price in each booking range — one way, per traveler in Economy.
Booked ahead by	Typical fare	Cheapest day	Above the cheapest	Days of prices
14–29 days	$103	$103	Cheapest seen	8
30–59 days	$108	$100	+5%	25
60–89 days	$135	$105	+31%	20
90–179 days	$130	$105	+26%	16
180+ days	$138	$135	+34%	20

Live price for these dates

The cheapest return found recently is for 28 Feb 2027 – 7 Mar 2027. 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