Cheap flights from Niigata to Seoul from $131 KIJ → ICN
Niigata Airport (KIJ) → Incheon International Airport (ICN)
The cheapest return found recently is $495 with Korean Air, 26 Dec – 3 Jan 2027, found 4 days ago. The cheapest one-way found recently is $131 with Korean Air, 27 Jan 2027, found 2 days ago.
- Cheapest one-way found recently
- $131, Korean Air, found 2 days ago
- Cheapest return found recently
- $495, 26 Dec to 3 Jan 2027
- Cheapest month to fly
- December 2026, one-way fares from $131 found in the last 7 days
- Airlines with nonstop flights
- Korean Air
- Shortest nonstop flight found
- 2 h 30 min
Return
Not enough comparable prices yet for a usual return price.
Cheapest return found recently
$495
26 Dec – 3 Jan 2027 · Korean Air
Niigata Airport (KIJ) → Incheon International Airport (ICN)
Leaves 11:35 a.m. · Return leaves 8:20 a.m. · 4 h 35 min of travel, both ways together
out nonstop, back nonstop
found 4 days ago
Cheapest nonstop return
$495
26 Dec – 3 Jan 2027 · Korean Air
Niigata Airport (KIJ) → Incheon International Airport (ICN)
Leaves 11:35 a.m. · Return leaves 8:20 a.m. · 4 h 35 min of travel, both ways together
out nonstop, back nonstop
found 4 days ago
Found recently, and the cheapest we hold
$495 26 Dec – 3 Jan 2027found 4 days agoSee prices for these dates
It is also the cheapest return we hold, of any age.
What have prices looked like?
Over 23 days, 24 Sept to 11 Nov, the cheapest return we saw each day was $227 to $495.
At $495, the cheapest return found recently is at the high end of that range.
23 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?
Not enough comparable prices yet: we hold return fares on 1 departure date and need at least 3 to say what is usual.
Could nearby dates be cheaper?
We hold no other 8-night return fares leaving within 3 days of 26 Dec to compare.
Every date we hold
1 fares on 1 departure dates
See every date as a table
| Dates | From | Airline | Airports | Stops | Found | |
|---|---|---|---|---|---|---|
| 26 Dec – 3 Jan 2027 | $495 | Korean Air | Niigata Airport (KIJ) → Incheon International Airport (ICN) | out nonstop, back nonstop | found 4 days ago | See prices for these dates |
Airlines on the cheapest dates: Korean Air.
One-way
The cheapest one-way fare on each of 10 departure dates is usually $133 to $185.
Cheapest one-way found recently
$131
27 Jan 2027 · Korean Air
Niigata Airport (KIJ) → Incheon International Airport (ICN)
Leaves 11:35 a.m. · 2 h 30 min trip
nonstop
found 2 days ago
Cheapest nonstop one-way
$131
27 Jan 2027 · Korean Air
Niigata Airport (KIJ) → Incheon International Airport (ICN)
Leaves 11:35 a.m. · 2 h 30 min trip
nonstop
found 2 days ago
Found recently, and the cheapest we hold
$131 27 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 49 days, 24 Sept to 11 Nov, the cheapest one-way we saw each day was $129 to $148.
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 10 departure dates from 14 Dec to 28 Jan 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 27 Jan 2027, and none is cheaper.
Every date we hold
10 fares on 10 departure dates
See the chart as a table
| Dates | From | Airline | Airports | Stops | Found | |
|---|---|---|---|---|---|---|
| 14 Dec | $131 | Korean Air | Niigata Airport (KIJ) → Incheon International Airport (ICN) | nonstop | found 2 days ago | Open this trip |
| 21 Dec | $134 | Korean Air | Niigata Airport (KIJ) → Incheon International Airport (ICN) | nonstop | found 2 days ago | Open this trip |
| 28 Dec | $284 | Japan Airlines | Niigata Airport (KIJ) → Incheon International Airport (ICN) | 1 stop | found 2 days ago | Open this trip |
| 4 Jan 2027 | $220 | Japan Airlines | Niigata Airport (KIJ) → Incheon International Airport (ICN) | 1 stop | found 2 days ago | Open this trip |
| 11 Jan 2027 | $183 | Japan Airlines | Niigata Airport (KIJ) → Incheon International Airport (ICN) | 1 stop | found 2 days ago | Open this trip |
| 18 Jan 2027 | $160 | Korean Air | Niigata Airport (KIJ) → Incheon International Airport (ICN) | nonstop | found 2 days ago | Open this trip |
| 25 Jan 2027 | $164 | Korean Air | Niigata Airport (KIJ) → Incheon International Airport (ICN) | nonstop | found 2 days ago | Open this trip |
| 26 Jan 2027 | $186 | Toki Air | Niigata Airport (KIJ) → Incheon International Airport (ICN) | 1 stop | found 2 days ago | Open this trip |
| 27 Jan 2027 | $131 | Korean Air | Niigata Airport (KIJ) → Incheon International Airport (ICN) | nonstop | found 2 days ago | Open this trip |
| 28 Jan 2027 | $132 | Korean Air | Niigata Airport (KIJ) → Incheon International Airport (ICN) | nonstop | found 2 days ago | Open this trip |
Which month looks cheapest?
December 2026 is the cheapest month — from $131.
Airlines on the cheapest dates: Korean Air, Japan Airlines, Toki Air.
Premium cabin fares from Niigata 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 26 Dec – 3 Jan 2027 in another cabin: Premium economy · Business · First
Today's prices for 27 Jan 2027 in another cabin: Premium economy · Business · First
How far ahead were prices cheapest for Niigata to Seoul?
Return
Not enough history yet: in 23 days of return prices, 24 Sept to 11 Nov, fewer than 3 booking ranges had prices on 7 days or more.
One-way
Fares 60 to 89 days before departure were typically 30% lower than 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 | $190 | $146 | +42% | 12 |
| 7–13 days | $219 | $154 | +63% | 16 |
| 14–29 days | $154 | $154 | +15% | 7 |
| 30–59 days | $138 | $138 | +3% | 8 |
| 60–89 days | $134 | $129 | Cheapest seen | 17 |
| 90–179 days | $147 | $133 | +10% | 42 |
Could a nearby airport be cheaper?
A different airport at either end can change the fare — sometimes a lot.
Return
Fukushima → Seoul
145 km from Niigata
$484
$11 less than flying from Niigata
21 Dec – 27 Dec · FKS → ICN · out 1 stop, back 1 stop
found 7 days ago
Cheapest recent price on each route — round trip, per traveler in Economy. Distances are in a straight line.
Live price for these dates
The cheapest return found recently is for 26 Dec – 3 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 Niigata to Seoul?
The cheapest return found recently is $495 with Korean Air, 26 Dec to 3 Jan 2027, found 4 days ago.
How much is a one-way flight from Niigata to Seoul?
The cheapest one-way found recently is $131 with Korean Air, 27 Jan 2027, found 2 days ago. The cheapest one-way fare on each of 10 departure dates is usually $133 to $185.
What is the cheapest month to fly from Niigata to Seoul?
December 2026 is the cheapest month for a one-way, from $131, 14 Dec, found 2 days ago.
How far ahead should I book a flight from Niigata to Seoul?
In 49 days of prices between 24 Sept and 11 Nov, one-way fares 60 to 89 days before departure were typically 30% lower than 0 to 6 days before departure.
Is there a direct flight from Niigata to Seoul?
Yes, the cheapest nonstop return found recently is $495 with Korean Air, 26 Dec to 3 Jan 2027, found 4 days ago. The cheapest nonstop one-way found recently is $131 with Korean Air, 27 Jan 2027, found 2 days ago.
How long is the flight from Niigata to Seoul?
The cheapest nonstop one-way found recently, with Korean Air on 27 Jan 2027, takes 2 h 30 min from Niigata Airport (KIJ) to Incheon International Airport (ICN).
Which airlines have the cheapest flights from Niigata to Seoul?
Between 14 Dec and 28 Jan 2027, Korean Air has the cheapest one-way on 6 of the 10 departure dates we hold, Japan Airlines on 3 and Toki Air 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