Cheap flights from Seoul to Singapore from $121 GMP, ICN → SIN, XSP
Gimpo International Airport (GMP), Incheon International Airport (ICN) → Changi International Airport (SIN), Seletar (XSP)
The cheapest return found recently is $458 with Scoot, 20 Jan 2027 – 3 Feb 2027, found 2 days ago. The cheapest one-way found recently is $121 with AirAsia, 20 Feb 2027, found 2 days ago.
- Cheapest one-way found recently
- $121, found 2 days ago
- Cheapest return found recently
- $458, 20 Jan 2027 to 3 Feb 2027
- Usual return price
- $311 to $437
- Cheapest month to fly
- November 2026, return fares from $291 found in the last 7 days
- Airlines with nonstop flights
- Singapore Airlines, Scoot, Jeju Air, T'way Air, Korean Air, Asiana Airlines
- Shortest nonstop flight found
- 6 h 45 min
Return
The cheapest return fare on each of 17 departure dates is usually $311 to $437.
Cheapest return found recently
$458
20 Jan 2027 – 3 Feb 2027 · Scoot
Incheon International Airport (ICN) → Changi International Airport (SIN)
Leaves 8:35 p.m. · Return leaves 9:10 a.m. · 25 h 5 min of travel, both ways together
out 1 stop, back nonstop · via Changle International Airport (FOC) · overnight connection · 11 h connection
found 2 days ago
Cheapest nonstop return
$459
20 Jan 2027 – 3 Feb 2027 · Scoot
Incheon International Airport (ICN) → Changi International Airport (SIN)
Leaves 11:25 a.m. · Return leaves 9:10 a.m. · 13 h 5 min of travel, both ways together
out nonstop, back nonstop
found 2 days ago
Every nonstop date from Seoul to Singapore
Found recently, and the cheapest we hold
$458 20 Jan 2027 – 3 Feb 2027found 2 days agoSee prices for these dates
$291 24 Nov – 29 Novfound 3 days agoSee prices for these dates
What have prices looked like?
Over 49 days, 24 Sept to 11 Nov, the cheapest return we saw each day was $244 to $316.
At $458, the cheapest return found recently is above that range.
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 17 departure dates from 24 Nov to 11 Jun 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 14-night return fares leaving within 3 days of 20 Jan 2027 to compare.
Every date we hold
310 fares on 17 departure dates
See the chart as a table
| Dates | From | Airline | Airports | Stops | Found | |
|---|---|---|---|---|---|---|
| 24 Nov – 29 Nov | $291 | China Eastern | Incheon International Airport (ICN) → Changi International Airport (SIN) | out 1 stop, back 1 stop | found 3 days ago | See prices for these dates |
| 3 Dec – 4 Dec | $594 | Air Busan | Gimpo International Airport (GMP) → Changi International Airport (SIN) | out 1 stop, back 1 stop | found 2 days ago | See prices for these dates |
| 10 Dec – 11 Dec | $720 | Eastar Jet | Gimpo International Airport (GMP) → Changi International Airport (SIN) | out 1 stop, back 1 stop | found 2 days ago | See prices for these dates |
| 12 Dec – 12 Dec | $426 | Scoot | Incheon International Airport (ICN) → Changi International Airport (SIN) | out nonstop, back 1 stop | found 6 days ago | See prices for these dates |
| 18 Dec – 20 Dec | $319 | China Eastern | Incheon International Airport (ICN) → Changi International Airport (SIN) | out 2 stops, back 1 stop | found 4 days ago | See prices for these dates |
| 19 Dec – 20 Dec | $299 | China Eastern | Incheon International Airport (ICN) → Changi International Airport (SIN) | out 1 stop, back 1 stop | found 7 days ago | See prices for these dates |
| 7 Jan 2027 – 13 Jan 2027 | $359 | Shandong Airlines | Incheon International Airport (ICN) → Changi International Airport (SIN) | out 1 stop, back 1 stop | found 8 days ago | See prices for these dates |
| 8 Jan 2027 – 13 Jan 2027 | $347 | China Eastern | Incheon International Airport (ICN) → Changi International Airport (SIN) | out 2 stops, back nonstop | found 6 days ago | See prices for these dates |
| 20 Jan 2027 – 3 Feb 2027 | $458 | Scoot | Incheon International Airport (ICN) → Changi International Airport (SIN) | out 1 stop, back nonstop | found 2 days ago | See prices for these dates |
| 2 Feb 2027 – 12 Feb 2027 | $458 | Scoot | Gimpo International Airport (GMP) → Changi International Airport (SIN) | out 1 stop, back 1 stop | found 3 days ago | See prices for these dates |
| 2 Mar 2027 – 27 Mar 2027 | $322 | Shandong Airlines | Incheon International Airport (ICN) → Changi International Airport (SIN) | out 1 stop, back 1 stop | found 5 days ago | See prices for these dates |
| 6 Mar 2027 – 7 Mar 2027 | $402 | Vietnam Airlines | Incheon International Airport (ICN) → Changi International Airport (SIN) | out 1 stop, back 1 stop | found 5 days ago | See prices for these dates |
| 13 Mar 2027 – 15 Mar 2027 | $322 | Shandong Airlines | Incheon International Airport (ICN) → Changi International Airport (SIN) | out 1 stop, back 1 stop | found 4 days ago | See prices for these dates |
| 26 May 2027 – 31 May 2027 | $293 | Shandong Airlines | Incheon International Airport (ICN) → Changi International Airport (SIN) | out 1 stop, back 1 stop | found 5 days ago | See prices for these dates |
| 27 May 2027 – 1 Jun 2027 | $293 | Shandong Airlines | Incheon International Airport (ICN) → Changi International Airport (SIN) | out 1 stop, back 1 stop | found 5 days ago | See prices for these dates |
| 1 Jun 2027 – 1 Jun 2027 | $437 | China Eastern | Incheon International Airport (ICN) → Changi International Airport (SIN) | out 1 stop, back 1 stop | found 5 days ago | See prices for these dates |
| 11 Jun 2027 – 25 Jun 2027 | $311 | Shandong Airlines | Incheon International Airport (ICN) → Changi International Airport (SIN) | out 1 stop, back 1 stop | found 3 days ago | See prices for these dates |
Which month looks cheapest?
November 2026 is the cheapest month — from $291.
Airlines on the cheapest dates: Shandong Airlines, China Eastern, Scoot, Air Busan, Eastar Jet, Vietnam Airlines.
One-way
The cheapest one-way fare on each of 9 departure dates is usually $122 to $165.
Cheapest one-way found recently
$121
20 Feb 2027 · AirAsia
Incheon International Airport (ICN) → Changi International Airport (SIN)
Leaves 7:35 a.m. · 13 h 5 min trip
1 stop
found 2 days ago
Cheapest nonstop one-way
$106
27 Feb 2027 · Scoot
Incheon International Airport (ICN) → Changi International Airport (SIN)
Leaves 11:25 a.m. · 6 h 45 min trip
nonstop
found 7 days ago
Found recently, and the cheapest we hold
$121 20 Feb 2027found 2 days agoOpen this trip
$106 27 Feb 2027found 7 days agoOpen this trip
What have prices looked like?
Over 44 days, 24 Sept to 11 Nov, the cheapest one-way we saw each day was $66 to $283.
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 9 departure dates from 20 Feb 2027 to 19 Sept 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 20 Feb 2027 to compare.
Every date we hold
14 fares on 9 departure dates
See the chart as a table
| Dates | From | Airline | Airports | Stops | Found | |
|---|---|---|---|---|---|---|
| 20 Feb 2027 | $121 | AirAsia | Incheon International Airport (ICN) → Changi International Airport (SIN) | 1 stop | found 2 days ago | Open this trip |
| 27 Feb 2027 | $106 | Scoot | Incheon International Airport (ICN) → Changi International Airport (SIN) | nonstop | found 7 days ago | Open this trip |
| 14 May 2027 | $158 | Shandong Airlines | Incheon International Airport (ICN) → Changi International Airport (SIN) | 1 stop | found 5 days ago | Open this trip |
| 1 Jun 2027 | $143 | Shandong Airlines | Incheon International Airport (ICN) → Changi International Airport (SIN) | 1 stop | found 5 days ago | Open this trip |
| 22 Jun 2027 | $154 | Shandong Airlines | Incheon International Airport (ICN) → Changi International Airport (SIN) | 1 stop | found 3 days ago | Open this trip |
| 16 Aug 2027 | $122 | AirAsia | Incheon International Airport (ICN) → Changi International Airport (SIN) | 1 stop | found 7 days ago | Open this trip |
| 11 Sept 2027 | $165 | Shandong Airlines | Incheon International Airport (ICN) → Changi International Airport (SIN) | 1 stop | found 4 days ago | Open this trip |
| 18 Sept 2027 | $296 | Korean Air | Gimpo International Airport (GMP) → Changi International Airport (SIN) | 2 stops | found 4 days ago | Open this trip |
| 19 Sept 2027 | $275 | Korean Air | Gimpo International Airport (GMP) → Changi International Airport (SIN) | 1 stop | found 2 days ago | Open this trip |
Which month looks cheapest?
February 2027 is the cheapest month — from $106.
Airlines on the cheapest dates: Shandong Airlines, AirAsia, Korean Air, Scoot.
Premium cabin fares from Seoul 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 20 Jan 2027 – 3 Feb 2027 in another cabin: Premium economy · Business · First
Today's prices for 20 Feb 2027 in another cabin: Premium economy · Business · First
How far ahead were prices cheapest for Seoul to Singapore?
Return
The cheapest fares were 0 to 6 days before departure.
From the cheapest return 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 | $295 | $263 | Cheapest seen | 16 |
| 7–13 days | $356 | $291 | +21% | 10 |
| 14–29 days | $385 | $288 | +31% | 14 |
| 30–59 days | $300 | $259 | +2% | 34 |
| 60–89 days | $373 | $259 | +26% | 45 |
| 90–179 days | $316 | $309 | +7% | 39 |
| 180+ days | $306 | $244 | +4% | 39 |
One-way
The cheapest fares were 0 to 6 days before departure.
From the cheapest one-way each day between 24 Sept and 11 Nov (44 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 | $84 | $66 | Cheapest seen | 7 |
| 90–179 days | $126 | $101 | +50% | 13 |
| 180+ days | $129 | $110 | +54% | 43 |
Live price for these dates
The cheapest return found recently is for 20 Jan 2027 – 3 Feb 2027. 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 Seoul to Singapore?
The cheapest return found recently is $458 with Scoot, 20 Jan 2027 to 3 Feb 2027, found 2 days ago. The cheapest return we hold, of any age, is $291 with China Eastern, 24 Nov to 29 Nov, found 3 days ago. The cheapest return fare on each of 17 departure dates is usually $311 to $437.
How much is a one-way flight from Seoul to Singapore?
The cheapest one-way found recently is $121 with AirAsia, 20 Feb 2027, found 2 days ago. The cheapest one-way we hold, of any age, is $106 with Scoot, 27 Feb 2027, found 7 days ago. The cheapest one-way fare on each of 9 departure dates is usually $122 to $165.
What is the cheapest month to fly from Seoul to Singapore?
November 2026 is the cheapest month for a return, from $291, 24 Nov to 29 Nov, found 3 days ago. February 2027 is the cheapest month for a one-way, from $106, 27 Feb 2027, found 7 days ago.
How far ahead should I book a flight from Seoul to Singapore?
In 49 days of prices between 24 Sept and 11 Nov, return fares were cheapest 0 to 6 days before departure. In 44 days of prices between 24 Sept and 11 Nov, one-way fares were cheapest 0 to 6 days before departure.
Is there a direct flight from Seoul to Singapore?
Yes, the cheapest nonstop return found recently is $459 with Scoot, 20 Jan 2027 to 3 Feb 2027, found 2 days ago. The cheapest nonstop one-way found recently is $106 with Scoot, 27 Feb 2027, found 7 days ago.
How long is the flight from Seoul to Singapore?
The cheapest nonstop one-way found recently, with Scoot on 27 Feb 2027, takes 6 h 45 min from Incheon International Airport (ICN) to Changi International Airport (SIN). The cheapest one-way found recently, with AirAsia on 20 Feb 2027, takes 13 h 5 min with 1 stop.
Which airlines have the cheapest flights from Seoul to Singapore?
Between 24 Nov and 11 Jun 2027, Shandong Airlines has the cheapest return on 6 of the 17 departure dates we hold, China Eastern on 5 and Scoot on 3. Between 20 Feb 2027 and 19 Sept 2027, Shandong Airlines has the cheapest one-way on 4 of the 9 departure dates we hold, AirAsia on 2 and Korean Air on 2.
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
