Cheap flights from Singapore to Seoul from $161 SIN, XSP → GMP, ICN
Changi International Airport (SIN), Seletar (XSP) → Gimpo International Airport (GMP), Incheon International Airport (ICN)
The cheapest return found recently is $311 with Scoot, 18 Nov – 25 Nov, found 2 days ago. The cheapest one-way found recently is $161 with Jeju Air, 7 Jan 2027, found 2 days ago.
- Cheapest one-way found recently
- $161, found 2 days ago
- Cheapest return found recently
- $311, 18 Nov to 25 Nov
- Usual return price
- $335 to $386
- Cheapest month to fly
- November 2026, return fares from $303 found in the last 7 days
- Airlines with nonstop flights
- Jeju Air, Scoot, Korean Air, Asiana Airlines, T'way Air, Singapore Airlines
Return
The cheapest return fare on each of 12 departure dates is usually $335 to $386.
Cheapest return found recently
$311
18 Nov – 25 Nov · Scoot
Changi International Airport (SIN) → Incheon International Airport (ICN)
Leaves 2:55 a.m. · Return leaves 3:30 p.m. · 13 h 10 min of travel, both ways together
out nonstop, back nonstop
found 2 days ago
Cheapest nonstop return
$311
18 Nov – 25 Nov · Scoot
Changi International Airport (SIN) → Incheon International Airport (ICN)
Leaves 2:55 a.m. · Return leaves 3:30 p.m. · 13 h 10 min of travel, both ways together
out nonstop, back nonstop
found 2 days ago
Found recently, and the cheapest we hold
$311 18 Nov – 25 Novfound 2 days agoSee prices for these dates
$303 18 Nov – 26 Novfound 5 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 $256 to $345.
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 12 departure dates from 18 Nov to 23 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 7-night return fares leaving within 3 days of 18 Nov to compare.
Every date we hold
136 fares on 12 departure dates
See the chart as a table
| Dates | From | Airline | Airports | Stops | Found | |
|---|---|---|---|---|---|---|
| 18 Nov – 26 Nov | $303 | Jeju Air | Changi International Airport (SIN) → Gimpo International Airport (GMP) | out 1 stop, back nonstop | found 5 days ago | See prices for these dates |
| 22 Nov – 5 Dec | $366 | Vietjet | Changi International Airport (SIN) → Incheon International Airport (ICN) | out 1 stop, back nonstop | found 5 days ago | See prices for these dates |
| 23 Nov – 27 Nov | $348 | Jeju Air | Changi International Airport (SIN) → Incheon International Airport (ICN) | out nonstop, back 1 stop | found 3 days ago | See prices for these dates |
| 5 Dec – 6 Dec | $385 | Vietjet | Changi International Airport (SIN) → Incheon International Airport (ICN) | out 1 stop, back 1 stop | found 5 days ago | See prices for these dates |
| 8 Dec – 15 Dec | $333 | 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 |
| 11 Dec – 12 Dec | $354 | Vietjet | Changi International Airport (SIN) → Incheon International Airport (ICN) | out 1 stop, back 1 stop | found 6 days ago | See prices for these dates |
| 17 Dec – 22 Dec | $375 | China Eastern | Changi International Airport (SIN) → Incheon International Airport (ICN) | out 1 stop, back 1 stop | found 5 days ago | See prices for these dates |
| 19 Dec – 22 Dec | $406 | China Eastern | Changi International Airport (SIN) → Incheon International Airport (ICN) | out 1 stop, back 1 stop | found 6 days ago | See prices for these dates |
| 2 Jan 2027 – 5 Jan 2027 | $431 | China Eastern | Changi International Airport (SIN) → Incheon International Airport (ICN) | out 1 stop, back 1 stop | found 8 days ago | See prices for these dates |
| 5 Jan 2027 – 15 Jan 2027 | $336 | Jeju Air | Changi International Airport (SIN) → Incheon International Airport (ICN) | out nonstop, back 1 stop | found 7 days ago | See prices for these dates |
| 19 Feb 2027 – 23 Feb 2027 | $388 | China Southern Airlines | Changi International Airport (SIN) → Incheon International Airport (ICN) | out 1 stop, back 1 stop | found 2 days ago | See prices for these dates |
| 23 Jun 2027 – 30 Jun 2027 | $325 | Scoot | Changi International Airport (SIN) → Incheon International Airport (ICN) | out nonstop, back 1 stop | found 3 days ago | See prices for these dates |
Which month looks cheapest?
November 2026 is the cheapest month — from $303.
Airlines on the cheapest dates: Jeju Air, Vietjet, China Eastern, Shandong Airlines, China Southern Airlines, Scoot.
One-way
The cheapest one-way fare on each of 5 departure dates is usually $165 to $217.
Cheapest one-way found recently
$161
7 Jan 2027 · Jeju Air
Changi International Airport (SIN) → Incheon International Airport (ICN)
Leaves 1:10 a.m. · 6 h 30 min trip
stops unknown
found 2 days ago
Cheapest nonstop one-way
None seen yet.
Found recently, and the cheapest we hold
$161 7 Jan 2027found 2 days agoOpen this trip
It is also the cheapest one-way we hold, of any age.
What have prices looked like?
Over 45 days, 24 Sept to 11 Nov, the cheapest one-way we saw each day was $138 to $521.
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 5 departure dates from 7 Jan 2027 to 31 Oct 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 7 Jan 2027 to compare.
Every date we hold
5 fares on 5 departure dates
See the chart as a table
| Dates | From | Airline | Airports | Stops | Found | |
|---|---|---|---|---|---|---|
| 7 Jan 2027 | $161 | Jeju Air | Changi International Airport (SIN) → Incheon International Airport (ICN) | stops unknown | found 2 days ago | Open this trip |
| 24 May 2027 | $207 | Shandong Airlines | Changi International Airport (SIN) → Incheon International Airport (ICN) | 1 stop | found 6 days ago | Open this trip |
| 26 May 2027 | $165 | Cebu Pacific | Changi International Airport (SIN) → Incheon International Airport (ICN) | 1 stop | found 5 days ago | Open this trip |
| 28 May 2027 | $479 | Firefly | Seletar (XSP) → Incheon International Airport (ICN) | 2 stops | found 6 days ago | Open this trip |
| 31 Oct 2027 | $217 | Shandong Airlines | Changi International Airport (SIN) → Incheon International Airport (ICN) | 1 stop | found 4 days ago | Open this trip |
Which month looks cheapest?
January 2027 is the cheapest month — from $161.
Airlines on the cheapest dates: Shandong Airlines, Jeju Air, Cebu Pacific, Firefly.
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 18 Nov – 25 Nov in another cabin: Premium economy · Business · First
Today's prices for 7 Jan 2027 in another cabin: Premium economy · Business · First
How far ahead were prices cheapest for Singapore to Seoul?
Return
Fares 7 to 13 days before departure were typically 7% lower than 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 | $331 | $256 | +7% | 18 |
| 7–13 days | $309 | $268 | Cheapest seen | 32 |
| 14–29 days | $345 | $260 | +12% | 42 |
| 30–59 days | $346 | $260 | +12% | 47 |
| 60–89 days | $370 | $302 | +20% | 27 |
| 90–179 days | $353 | $311 | +14% | 44 |
| 180+ days | $354 | $325 | +15% | 18 |
One-way
Not enough history yet: in 45 days of one-way prices, 24 Sept to 11 Nov, fewer than 3 booking ranges had prices on 7 days or more.
Live price for these dates
The cheapest return found recently is for 18 Nov – 25 Nov. 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 Singapore to Seoul?
The cheapest return found recently is $311 with Scoot, 18 Nov to 25 Nov, found 2 days ago. The cheapest return we hold, of any age, is $303 with Jeju Air, 18 Nov to 26 Nov, found 5 days ago. The cheapest return fare on each of 12 departure dates is usually $335 to $386.
How much is a one-way flight from Singapore to Seoul?
The cheapest one-way found recently is $161 with Jeju Air, 7 Jan 2027, found 2 days ago. The cheapest one-way fare on each of 5 departure dates is usually $165 to $217.
What is the cheapest month to fly from Singapore to Seoul?
November 2026 is the cheapest month for a return, from $303, 18 Nov to 26 Nov, found 5 days ago. January 2027 is the cheapest month for a one-way, from $161, 7 Jan 2027, found 2 days ago.
How far ahead should I book a flight from Singapore to Seoul?
In 49 days of prices between 24 Sept and 11 Nov, return fares 7 to 13 days before departure were typically 7% lower than 0 to 6 days before departure.
Is there a direct flight from Singapore to Seoul?
Yes, the cheapest nonstop return found recently is $311 with Scoot, 18 Nov to 25 Nov, found 2 days ago.
Which airlines have the cheapest flights from Singapore to Seoul?
Between 18 Nov and 23 Jun 2027, Jeju Air has the cheapest return on 3 of the 12 departure dates we hold, Vietjet on 3 and China Eastern on 3. Between 7 Jan 2027 and 31 Oct 2027, Shandong Airlines has the cheapest one-way on 2 of the 5 departure dates we hold, Jeju Air on 1 and Cebu Pacific 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