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Nonstop flights from Seoul to Singapore from $459 GMP, ICN → SIN, XSP

Gimpo International Airport (GMP), Incheon International Airport (ICN) → Changi International Airport (SIN), Seletar (XSP)

The cheapest nonstop return found recently is $459 with Scoot, 20 Jan 2027 – 3 Feb 2027, found 2 days ago.

Nonstop return

The cheapest nonstop return fare on each of 13 departure dates is usually $459 to $566.

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

See prices for these datesCheck today's price

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Airlines flying it nonstop on the return fares we hold: Singapore Airlines (12 departure dates), Jeju Air (9 departure dates), Scoot (9 departure dates), T'way Air (6 departure dates), Korean Air (5 departure dates), Asiana Airlines (2 departure dates).

On the 17 trips where we hold both on the same dates, nonstop cost a median $105 (25.6%) more than the cheapest fare with stops. Nonstop was cheaper or the same price on 0 of those 17 trips.

Every nonstop date we hold

Nonstop fares on 13 of the 17 departure dates we hold for this route.

24 Nov – 29 Nov: $366, found 3 days ago12 Dec – 13 Dec: $517, found 6 days ago18 Dec – 20 Dec: $609, found 4 days ago19 Dec – 20 Dec: $700, found 7 days ago7 Jan 2027 – 13 Jan 2027: $449, found 8 days ago8 Jan 2027 – 13 Jan 2027: $494, found 6 days ago20 Jan 2027 – 3 Feb 2027: $459, found 2 days ago2 Feb 2027 – 12 Feb 2027: $537, found 3 days ago2 Mar 2027 – 27 Mar 2027: $500, found 5 days ago13 Mar 2027 – 15 Mar 2027: $484, found 4 days ago26 May 2027 – 31 May 2027: $298, found 5 days ago1 Jun 2027 – 2 Jun 2027: $631, found 5 days ago11 Jun 2027 – 25 Jun 2027: $566, found 3 days agoNovDecJanFebMarMayJun
See the chart as a table
The cheapest price seen for each departure date — per traveler in Economy.
DatesFromAirlineAirportsStopsFound
24 Nov – 29 Nov$366Jeju AirIncheon International Airport (ICN) → Changi International Airport (SIN)out nonstop, back nonstopfound 3 days agoSee prices for these dates
12 Dec – 13 Dec$517ScootIncheon International Airport (ICN) → Changi International Airport (SIN)out nonstop, back nonstopfound 6 days agoSee prices for these dates
18 Dec – 20 Dec$609Jeju AirIncheon International Airport (ICN) → Changi International Airport (SIN)out nonstop, back nonstopfound 4 days agoSee prices for these dates
19 Dec – 20 Dec$700ScootIncheon International Airport (ICN) → Changi International Airport (SIN)out nonstop, back nonstopfound 7 days agoSee prices for these dates
7 Jan 2027 – 13 Jan 2027$449ScootIncheon International Airport (ICN) → Changi International Airport (SIN)out nonstop, back nonstopfound 8 days agoSee prices for these dates
8 Jan 2027 – 13 Jan 2027$494ScootIncheon International Airport (ICN) → Changi International Airport (SIN)out nonstop, back nonstopfound 6 days agoSee prices for these dates
20 Jan 2027 – 3 Feb 2027$459ScootIncheon International Airport (ICN) → Changi International Airport (SIN)out nonstop, back nonstopfound 2 days agoSee prices for these dates
2 Feb 2027 – 12 Feb 2027$537Jeju AirIncheon International Airport (ICN) → Changi International Airport (SIN)out nonstop, back nonstopfound 3 days agoSee prices for these dates
2 Mar 2027 – 27 Mar 2027$500ScootIncheon International Airport (ICN) → Changi International Airport (SIN)out nonstop, back nonstopfound 5 days agoSee prices for these dates
13 Mar 2027 – 15 Mar 2027$484ScootIncheon International Airport (ICN) → Changi International Airport (SIN)out nonstop, back nonstopfound 4 days agoSee prices for these dates
26 May 2027 – 31 May 2027$298ScootIncheon International Airport (ICN) → Changi International Airport (SIN)out nonstop, back nonstopfound 5 days agoSee prices for these dates
1 Jun 2027 – 2 Jun 2027$631Asiana AirlinesIncheon International Airport (ICN) → Changi International Airport (SIN)out nonstop, back nonstopfound 5 days agoSee prices for these dates
11 Jun 2027 – 25 Jun 2027$566ScootIncheon International Airport (ICN) → Changi International Airport (SIN)out nonstop, back nonstopfound 3 days agoSee prices for these dates

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