Singapore to Seoul SIN, XSP → ICN
Changi International Airport (SIN), Seletar (XSP) → Incheon International Airport (ICN)
The cheapest return found recently is $346 with Vietjet, 23 Nov – 28 Nov, found 3 days ago. The cheapest one-way found recently is $164 with Scoot, 26 Apr 2027, found 2 days ago.
Return
The cheapest return fare on each of 10 departure dates is usually $346 to $360.
Cheapest return found recently
$346
23 Nov – 28 Nov · Vietjet
Changi International Airport (SIN) → Incheon International Airport (ICN)
Leaves 7:15 p.m. · Return leaves 6:10 p.m. · 16 h 45 min of travel, both ways together
out 1 stop, back nonstop
found 3 days ago
Cheapest nonstop return
None seen yet.
Found recently, and the cheapest we hold
$346 23 Nov – 28 Novfound 3 days agoSee prices for these dates
$334 4 Apr 2027 – 9 Apr 2027found 6 days agoSee prices for these dates
What have prices looked like?
Over 25 days, 24 Sept to 18 Oct, the cheapest return we saw each day was $256 to $334.
At $346, the cheapest return 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 return price?
Compared with the cheapest return fare on each of 10 departure dates from 9 Nov to 7 Aug 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 5-night return fares leaving within 3 days of 23 Nov to compare.
Every date we hold
13 fares on 10 departure dates
See the chart as a table
| Dates | From | Airline | Airports | Stops | Found | |
|---|---|---|---|---|---|---|
| 9 Nov – 9 Nov | $351 | Shandong Airlines | Changi International Airport (SIN) → Incheon International Airport (ICN) | out 1 stop, back 1 stop | found 3 days ago | See prices for these dates |
| 23 Nov – 28 Nov | $346 | Vietjet | Changi International Airport (SIN) → Incheon International Airport (ICN) | out 1 stop, back nonstop | found 3 days ago | See prices for these dates |
| 27 Nov – 3 Dec | $355 | Vietjet | Changi International Airport (SIN) → Incheon International Airport (ICN) | out 1 stop, back 1 stop | found 6 days ago | See prices for these dates |
| 28 Nov – 3 Dec | $361 | China Southern Airlines | Changi International Airport (SIN) → Incheon International Airport (ICN) | out 1 stop, back 1 stop | found 6 days ago | See prices for these dates |
| 1 Dec – 6 Dec | $381 | Vietjet | Changi International Airport (SIN) → Incheon International Airport (ICN) | out 1 stop, back 1 stop | found 5 days ago | See prices for these dates |
| 2 Dec – 5 Dec | $347 | Vietjet | Changi International Airport (SIN) → Incheon International Airport (ICN) | out 1 stop, back 1 stop | found 6 days ago | See prices for these dates |
| 3 Dec – 5 Dec | $377 | China Southern Airlines | Changi International Airport (SIN) → Incheon International Airport (ICN) | out 1 stop, back 1 stop | found 6 days ago | See prices for these dates |
| 15 Mar 2027 – 20 Mar 2027 | $356 | Cebu Pacific | Changi International Airport (SIN) → Incheon International Airport (ICN) | out 1 stop, back 1 stop | found 6 days ago | See prices for these dates |
| 4 Apr 2027 – 9 Apr 2027 | $334 | Shandong Airlines | Changi International Airport (SIN) → Incheon International Airport (ICN) | out 1 stop, back 1 stop | found 6 days ago | See prices for these dates |
| 7 Aug 2027 – 15 Aug 2027 | $342 | Shandong Airlines | Changi International Airport (SIN) → Incheon International Airport (ICN) | out 1 stop, back 1 stop | found 4 days ago | See prices for these dates |
Which month looks cheapest?
April 2027 is the cheapest month — from $334.
Airlines on the cheapest dates: Vietjet, Shandong Airlines, China Southern Airlines, Cebu Pacific.
One-way
The cheapest one-way fare on each of 4 departure dates is usually $187 to $194.
Cheapest one-way found recently
$164
26 Apr 2027 · Scoot
Changi International Airport (SIN) → Incheon International Airport (ICN)
Leaves 2:15 a.m. · 6 h 30 min trip
nonstop
found 2 days ago
Cheapest nonstop one-way
$164
26 Apr 2027 · Scoot
Changi International Airport (SIN) → Incheon International Airport (ICN)
Leaves 2:15 a.m. · 6 h 30 min trip
nonstop
found 2 days ago
Found recently, and the cheapest we hold
$164 26 Apr 2027found 2 days agoOpen this trip
It is also the cheapest one-way we hold, of any age.
What have prices looked like?
Over 24 days, 24 Sept to 18 Oct, the cheapest one-way we saw each day was $162 to $199.
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 one-way price?
Compared with the cheapest one-way fare on each of 4 departure dates from 26 Apr 2027 to 16 Aug 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 Apr 2027 to compare.
Every date we hold
8 fares on 4 departure dates
See the chart as a table
| Dates | From | Airline | Airports | Stops | Found | |
|---|---|---|---|---|---|---|
| 26 Apr 2027 | $164 | Scoot | Changi International Airport (SIN) → Incheon International Airport (ICN) | nonstop | found 2 days ago | Open this trip |
| 7 May 2027 | $194 | Shandong Airlines | Changi International Airport (SIN) → Incheon International Airport (ICN) | 1 stop | found 6 days ago | Open this trip |
| 11 Jun 2027 | $194 | Shandong Airlines | Changi International Airport (SIN) → Incheon International Airport (ICN) | 1 stop | found 6 days ago | Open this trip |
| 16 Aug 2027 | $195 | Scoot | Changi International Airport (SIN) → Incheon International Airport (ICN) | nonstop | found 6 days ago | Open this trip |
Which month looks cheapest?
April 2027 is the cheapest month — from $164.
Airlines on the cheapest dates: Scoot, Shandong Airlines.
Premium cabin fares from Singapore to Seoul
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 23 Nov – 28 Nov in another cabin: Premium economy · Business · First
Today's prices for 26 Apr 2027 in another cabin: Premium economy · Business · First
How far ahead were prices cheapest for Singapore to Seoul?
Return
The cheapest fares were 0 to 6 days before departure.
From the cheapest return 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 | $292 | $256 | Cheapest seen | 12 |
| 7–13 days | $306 | $268 | +5% | 21 |
| 14–29 days | $312 | $260 | +7% | 19 |
| 30–59 days | $346 | $260 | +19% | 23 |
| 60–89 days | $370 | $302 | +27% | 25 |
| 90–179 days | $353 | $311 | +21% | 25 |
| 180+ days | $366 | $342 | +25% | 12 |
One-way
Not enough history yet: in 24 days of one-way prices, 24 Sept to 18 Oct, fewer than 3 booking ranges had prices on 7 days or more.
Live price for these dates
The cheapest return found recently is for 23 Nov – 28 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