Cheap flights from Nanjing to Seoul from $104 NKG → GMP, ICN
Nanjing Lukou International Airport (NKG) → Gimpo International Airport (GMP), Incheon International Airport (ICN)
The cheapest return found recently is $268 with China Southern Airlines, 31 Dec – 4 Jan 2027, found 2 days ago. The cheapest one-way found recently is $104 with Spring Airlines, 17 Jan 2027, found 2 days ago.
- Cheapest one-way found recently
- $104, found 2 days ago
- Cheapest return found recently
- $268, 31 Dec to 4 Jan 2027
- Usual return price
- $243 to $260
- Cheapest month to fly
- November 2026, return fares from $238 found in the last 7 days
- Airlines with nonstop flights
- Asiana Airlines
- Shortest nonstop flight found
- 2 h 20 min
Return
The cheapest return fare on each of 9 departure dates is usually $243 to $260.
Cheapest return found recently
$268
31 Dec – 4 Jan 2027 · China Southern Airlines
Nanjing Lukou International Airport (NKG) → Incheon International Airport (ICN)
Leaves 6:00 p.m. · Return leaves 12:45 p.m. · 28 h 45 min of travel, both ways together
out 1 stop, back 1 stop
found 2 days ago
Cheapest nonstop return
$317
1 Feb 2027 – 6 Feb 2027 · Asiana Airlines
Nanjing Lukou International Airport (NKG) → Incheon International Airport (ICN)
Leaves 2:50 p.m. · Return leaves 12:30 p.m. · 4 h 40 min of travel, both ways together
out nonstop, back nonstop
found 4 days ago
Found recently, and the cheapest we hold
$268 31 Dec – 4 Jan 2027found 2 days agoSee prices for these dates
$238 27 Nov – 2 Decfound 7 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 $206 to $240.
At $268, 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 9 departure dates from 27 Nov to 27 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 4-night return fares leaving within 3 days of 31 Dec to compare.
Every date we hold
12 fares on 9 departure dates
See the chart as a table
| Dates | From | Airline | Airports | Stops | Found | |
|---|---|---|---|---|---|---|
| 27 Nov – 2 Dec | $238 | Xiamen Airlines | Nanjing Lukou International Airport (NKG) → Incheon International Airport (ICN) | out 1 stop, back 1 stop | found 7 days ago | See prices for these dates |
| 31 Dec – 4 Jan 2027 | $256 | China Southern Airlines | Nanjing Lukou International Airport (NKG) → Incheon International Airport (ICN) | out 1 stop, back 1 stop | found 5 days ago | See prices for these dates |
| 1 Jan 2027 – 4 Jan 2027 | $254 | China Southern Airlines | Nanjing Lukou International Airport (NKG) → Incheon International Airport (ICN) | out 1 stop, back 1 stop | found 7 days ago | See prices for these dates |
| 9 Jan 2027 – 10 Jan 2027 | $260 | Asiana Airlines | Nanjing Lukou International Airport (NKG) → Incheon International Airport (ICN) | out nonstop, back nonstop | found 7 days ago | See prices for these dates |
| 15 Jan 2027 – 18 Jan 2027 | $260 | Spring Airlines | Nanjing Lukou International Airport (NKG) → Gimpo International Airport (GMP) | out 1 stop, back 1 stop | found 3 days ago | See prices for these dates |
| 18 Jan 2027 – 24 Jan 2027 | $243 | Shandong Airlines | Nanjing Lukou International Airport (NKG) → Incheon International Airport (ICN) | out 1 stop, back 1 stop | found 7 days ago | See prices for these dates |
| 20 Jan 2027 – 27 Jan 2027 | $252 | Shandong Airlines | Nanjing Lukou International Airport (NKG) → Incheon International Airport (ICN) | out 1 stop, back 1 stop | found 3 days ago | See prices for these dates |
| 1 Feb 2027 – 6 Feb 2027 | $317 | Asiana Airlines | Nanjing Lukou International Airport (NKG) → Incheon International Airport (ICN) | out nonstop, back nonstop | found 4 days ago | See prices for these dates |
| 27 Mar 2027 – 3 Apr 2027 | $242 | Asiana Airlines | Nanjing Lukou International Airport (NKG) → Incheon International Airport (ICN) | out nonstop, back nonstop | found 6 days ago | See prices for these dates |
Which month looks cheapest?
November 2026 is the cheapest month — from $238.
Airlines on the cheapest dates: Asiana Airlines, China Southern Airlines, Shandong Airlines, Xiamen Airlines, Spring Airlines.
One-way
The cheapest one-way fare on each of 11 departure dates is usually $103 to $115.
Cheapest one-way found recently
$104
17 Jan 2027 · Spring Airlines
Nanjing Lukou International Airport (NKG) → Gimpo International Airport (GMP)
Leaves 7:45 p.m. · 49 h 15 min trip
1 stop · via Jeju International Airport (CJU) · overnight connection · 46 h connection
found 2 days ago
Cheapest nonstop one-way
$122
9 Jan 2027 · Asiana Airlines
Nanjing Lukou International Airport (NKG) → Incheon International Airport (ICN)
Leaves 2:50 p.m. · 2 h 20 min trip
nonstop
found 2 days ago
Found recently, and the cheapest we hold
$104 17 Jan 2027found 2 days agoOpen this trip
$87 7 Decfound 3 days agoOpen this trip
What have prices looked like?
Over 49 days, 24 Sept to 11 Nov, the cheapest one-way we saw each day was $68 to $130.
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 11 departure dates from 1 Dec to 18 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?
No. We hold one-way fares on 3 other departure dates within 3 days of 17 Jan 2027, and none is cheaper.
Every date we hold
43 fares on 11 departure dates
See the chart as a table
| Dates | From | Airline | Airports | Stops | Found | |
|---|---|---|---|---|---|---|
| 1 Dec | $102 | Spring Airlines | Nanjing Lukou International Airport (NKG) → Gimpo International Airport (GMP) | 1 stop | found 3 days ago | Open this trip |
| 7 Dec | $87 | Spring Airlines | Nanjing Lukou International Airport (NKG) → Gimpo International Airport (GMP) | 1 stop | found 3 days ago | Open this trip |
| 8 Dec | $137 | Xiamen Airlines | Nanjing Lukou International Airport (NKG) → Incheon International Airport (ICN) | 1 stop | found 3 days ago | Open this trip |
| 9 Dec | $87 | Spring Airlines | Nanjing Lukou International Airport (NKG) → Gimpo International Airport (GMP) | 1 stop | found 3 days ago | Open this trip |
| 9 Jan 2027 | $122 | Asiana Airlines | Nanjing Lukou International Airport (NKG) → Incheon International Airport (ICN) | nonstop | found 2 days ago | Open this trip |
| 13 Jan 2027 | $104 | Spring Airlines | Nanjing Lukou International Airport (NKG) → Gimpo International Airport (GMP) | 1 stop | found 2 days ago | Open this trip |
| 14 Jan 2027 | $105 | Spring Airlines | Nanjing Lukou International Airport (NKG) → Gimpo International Airport (GMP) | 1 stop | found 2 days ago | Open this trip |
| 17 Jan 2027 | $104 | Spring Airlines | Nanjing Lukou International Airport (NKG) → Gimpo International Airport (GMP) | 1 stop | found 2 days ago | Open this trip |
| 18 Jan 2027 | $105 | Spring Airlines | Nanjing Lukou International Airport (NKG) → Gimpo International Airport (GMP) | 1 stop | found 3 days ago | Open this trip |
| 19 Jan 2027 | $107 | Spring Airlines | Nanjing Lukou International Airport (NKG) → Gimpo International Airport (GMP) | 1 stop | found 7 days ago | Open this trip |
| 18 Feb 2027 | $122 | Asiana Airlines | Nanjing Lukou International Airport (NKG) → Incheon International Airport (ICN) | nonstop | found 4 days ago | Open this trip |
Which month looks cheapest?
December 2026 is the cheapest month — from $87.
Airlines on the cheapest dates: Spring Airlines, Asiana Airlines, Xiamen Airlines.
Premium cabin fares from Nanjing 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 31 Dec – 4 Jan 2027 in another cabin: Premium economy · Business · First
Today's prices for 17 Jan 2027 in another cabin: Premium economy · Business · First
How far ahead were prices cheapest for Nanjing to Seoul?
Return
Fares 7 to 13 days before departure were typically 17% 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 | $254 | $212 | +20% | 10 |
| 7–13 days | $211 | $209 | Cheapest seen | 14 |
| 14–29 days | $223 | $209 | +6% | 32 |
| 30–59 days | $226 | $206 | +7% | 37 |
| 60–89 days | $249 | $221 | +18% | 40 |
| 90–179 days | $244 | $232 | +15% | 44 |
| 180+ days | $240 | $230 | +14% | 21 |
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 (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 | $101 | $68 | Cheapest seen | 14 |
| 7–13 days | $109 | $68 | +8% | 19 |
| 14–29 days | $111 | $87 | +9% | 18 |
| 30–59 days | $114 | $96 | +13% | 23 |
| 60–89 days | $102 | $102 | +1% | 23 |
| 90–179 days | $123 | $120 | +22% | 41 |
| 180+ days | $130 | $129 | +29% | 21 |
Could a nearby airport be cheaper?
A different airport at either end can change the fare — sometimes a lot.
One-way
Yangzhou → Seoul
69 km from Nanjing
$136
$32 more than flying from Nanjing
18 Nov · YTY → ICN · 1 stop
found 3 days ago
Changzhou → Seoul
114 km from Nanjing
$143
$39 more than flying from Nanjing
26 Nov · CZX → ICN · 1 stop
found 7 days ago
Cheapest recent price on each route — one way, per traveler in Economy. Distances are in a straight line.
Live price for these dates
The cheapest return found recently is for 31 Dec – 4 Jan 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 Nanjing to Seoul?
The cheapest return found recently is $268 with China Southern Airlines, 31 Dec to 4 Jan 2027, found 2 days ago. The cheapest return we hold, of any age, is $238 with Xiamen Airlines, 27 Nov to 2 Dec, found 7 days ago. The cheapest return fare on each of 9 departure dates is usually $243 to $260.
How much is a one-way flight from Nanjing to Seoul?
The cheapest one-way found recently is $104 with Spring Airlines, 17 Jan 2027, found 2 days ago. The cheapest one-way we hold, of any age, is $87 with Spring Airlines, 7 Dec, found 3 days ago. The cheapest one-way fare on each of 11 departure dates is usually $103 to $115.
What is the cheapest month to fly from Nanjing to Seoul?
November 2026 is the cheapest month for a return, from $238, 27 Nov to 2 Dec, found 7 days ago. December 2026 is the cheapest month for a one-way, from $87, 7 Dec, found 3 days ago.
How far ahead should I book a flight from Nanjing to Seoul?
In 49 days of prices between 24 Sept and 11 Nov, return fares 7 to 13 days before departure were typically 17% lower than 0 to 6 days before departure. One-way fares were cheapest 0 to 6 days before departure.
Is there a direct flight from Nanjing to Seoul?
Yes, the cheapest nonstop return found recently is $317 with Asiana Airlines, 1 Feb 2027 to 6 Feb 2027, found 4 days ago. The cheapest nonstop one-way found recently is $122 with Asiana Airlines, 9 Jan 2027, found 2 days ago.
How long is the flight from Nanjing to Seoul?
The cheapest nonstop one-way found recently, with Asiana Airlines on 9 Jan 2027, takes 2 h 20 min from Nanjing Lukou International Airport (NKG) to Incheon International Airport (ICN). The cheapest one-way found recently, with Spring Airlines on 17 Jan 2027, takes 49 h 15 min with 1 stop, including a 46 h connection.
Which airlines have the cheapest flights from Nanjing to Seoul?
Between 27 Nov and 27 Mar 2027, Asiana Airlines has the cheapest return on 3 of the 9 departure dates we hold, China Southern Airlines on 2 and Shandong Airlines on 2. Between 1 Dec and 18 Feb 2027, Spring Airlines has the cheapest one-way on 8 of the 11 departure dates we hold, Asiana Airlines on 2 and Xiamen Airlines 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