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Cheap flights from Seoul to Yuzhno-Sakhalinsk from $1,426 GMP, ICN → UUS

Gimpo International Airport (GMP), Incheon International Airport (ICN) → Yuzhno-Sakhalinsk Airport (UUS)

The cheapest return found recently is $1,426 with Korean Air, 26 Jul 2027 – 23 Sept 2027, found 2 days ago.

Cheapest return found recently
$1,426, 26 Jul 2027 to 23 Sept 2027
Usual return price
$766 to $1,169
Cheapest month to fly
December 2026, return fares from $679 found in the last 7 days

Return

The cheapest return fare on each of 17 departure dates is usually $766 to $1,169.

Cheapest return found recently

$1,426

26 Jul 2027 – 23 Sept 2027 · Korean Air

Incheon International Airport (ICN) → Yuzhno-Sakhalinsk Airport (UUS)

Leaves 12:15 p.m. · Return leaves 6:45 p.m. · 50 h 45 min of travel, both ways together

out 1 stop, back 2 stops

found 2 days ago

See prices for these datesCheck today's price

Cheapest nonstop return

None seen yet.

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Found recently, and the cheapest we hold

Cheapest found recently $1,426 26 Jul 2027 – 23 Sept 2027found 2 days agoSee prices for these dates

Cheapest we hold, of any age $679 8 Dec – 16 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 $634 to $744.

At $1,426, 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 30 Nov to 25 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?

Yes. Among 59-night return fares leaving within 3 days of 26 Jul 2027, 24 Jul 2027 – 21 Sept 2027 costs $1,058: $368 less than the cheapest found recently.

Korean Air · Gimpo International Airport (GMP) → Yuzhno-Sakhalinsk Airport (UUS) · out 2 stops, back 1 stop · found 8 days ago

See prices for these datesCheck today's price

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Every date we hold

80 fares on 17 departure dates

30 Nov – 22 Dec: $766, found 7 days ago1 Dec – 22 Dec: $763, found 7 days ago2 Dec – 23 Dec: $822, found 7 days ago3 Dec – 11 Dec: $693, found 7 days ago8 Dec – 16 Dec: $679, found 7 days ago12 Dec – 29 Dec: $950, found 4 days ago15 Dec – 17 Dec: $759, found 7 days ago9 Jan 2027 – 20 Feb 2027: $897, found 3 days ago1 Jun 2027 – 5 Jun 2027: $967, found 5 days ago21 Jun 2027 – 17 Aug 2027: $1,034, found 5 days ago29 Jun 2027 – 24 Aug 2027: $1,149, found 4 days ago20 Jul 2027 – 20 Aug 2027: $1,716, found 3 days ago22 Jul 2027 – 30 Jul 2027: $1,447, found 3 days ago24 Jul 2027 – 21 Sept 2027: $1,058, found 8 days ago26 Jul 2027 – 24 Aug 2027: $1,169, found 3 days ago27 Jul 2027 – 31 Aug 2027: $1,444, found 3 days ago25 Oct 2027 – 30 Oct 2027: $2,686, found 3 days agoDecJunJulOct
See the chart as a table
The cheapest price seen for each departure date — per traveler in Economy.
DatesFromAirlineAirportsStopsFound
30 Nov – 22 Dec$766Air ChinaIncheon International Airport (ICN) → Yuzhno-Sakhalinsk Airport (UUS)out 2 stops, back 2 stopsfound 7 days agoSee prices for these dates
1 Dec – 22 Dec$763Air ChinaIncheon International Airport (ICN) → Yuzhno-Sakhalinsk Airport (UUS)out 2 stops, back 2 stopsfound 7 days agoSee prices for these dates
2 Dec – 23 Dec$822Jeju AirIncheon International Airport (ICN) → Yuzhno-Sakhalinsk Airport (UUS)out 2 stops, back 3 stopsfound 7 days agoSee prices for these dates
3 Dec – 11 Dec$693Air ChinaIncheon International Airport (ICN) → Yuzhno-Sakhalinsk Airport (UUS)out 2 stops, back 2 stopsfound 7 days agoSee prices for these dates
8 Dec – 16 Dec$679China Southern AirlinesIncheon International Airport (ICN) → Yuzhno-Sakhalinsk Airport (UUS)out 2 stops, back 2 stopsfound 7 days agoSee prices for these dates
12 Dec – 29 Dec$950Air ChinaIncheon International Airport (ICN) → Yuzhno-Sakhalinsk Airport (UUS)out 2 stops, back 2 stopsfound 4 days agoSee prices for these dates
15 Dec – 17 Dec$759S7 AirlinesIncheon International Airport (ICN) → Yuzhno-Sakhalinsk Airport (UUS)out 2 stops, back 3 stopsfound 7 days agoSee prices for these dates
9 Jan 2027 – 20 Feb 2027$897Air ChinaIncheon International Airport (ICN) → Yuzhno-Sakhalinsk Airport (UUS)out 2 stops, back 3 stopsfound 3 days agoSee prices for these dates
1 Jun 2027 – 5 Jun 2027$967China Southern AirlinesIncheon International Airport (ICN) → Yuzhno-Sakhalinsk Airport (UUS)out 2 stops, back 2 stopsfound 5 days agoSee prices for these dates
21 Jun 2027 – 17 Aug 2027$1,034China Southern AirlinesIncheon International Airport (ICN) → Yuzhno-Sakhalinsk Airport (UUS)out 2 stops, back 1 stopfound 5 days agoSee prices for these dates
29 Jun 2027 – 24 Aug 2027$1,149Air ChinaIncheon International Airport (ICN) → Yuzhno-Sakhalinsk Airport (UUS)out 2 stops, back 1 stopfound 4 days agoSee prices for these dates
20 Jul 2027 – 20 Aug 2027$1,716China Southern AirlinesGimpo International Airport (GMP) → Yuzhno-Sakhalinsk Airport (UUS)out 2 stops, back 2 stopsfound 3 days agoSee prices for these dates
22 Jul 2027 – 30 Jul 2027$1,447Korean AirIncheon International Airport (ICN) → Yuzhno-Sakhalinsk Airport (UUS)out 2 stops, back 2 stopsfound 3 days agoSee prices for these dates
24 Jul 2027 – 21 Sept 2027$1,058Korean AirGimpo International Airport (GMP) → Yuzhno-Sakhalinsk Airport (UUS)out 2 stops, back 1 stopfound 8 days agoSee prices for these dates
26 Jul 2027 – 24 Aug 2027$1,169Korean AirIncheon International Airport (ICN) → Yuzhno-Sakhalinsk Airport (UUS)out 1 stop, back 1 stopfound 3 days agoSee prices for these dates
27 Jul 2027 – 31 Aug 2027$1,444Shandong AirlinesIncheon International Airport (ICN) → Yuzhno-Sakhalinsk Airport (UUS)out 3 stops, back 1 stopfound 3 days agoSee prices for these dates
25 Oct 2027 – 30 Oct 2027$2,686Korean AirIncheon International Airport (ICN) → Yuzhno-Sakhalinsk Airport (UUS)out 3 stops, back 3 stopsfound 3 days agoSee prices for these dates

Which month looks cheapest?

December 2026 is the cheapest month — from $679.

November 2026From $7661 departure date30 Nov – 22 Dec · found 7 days agoSee prices for these dates
December 2026From $679Cheapest seen6 departure dates8 Dec – 16 Dec · found 7 days agoSee prices for these dates
January 2027From $8971 departure date9 Jan 2027 – 20 Feb 2027 · found 3 days agoSee prices for these dates
June 2027From $9673 departure dates1 Jun 2027 – 5 Jun 2027 · found 5 days agoSee prices for these dates
July 2027From $1,0585 departure dates24 Jul 2027 – 21 Sept 2027 · found 8 days agoSee prices for these dates
October 2027From $2,6861 departure date25 Oct 2027 – 30 Oct 2027 · found 3 days agoSee prices for these dates

Airlines on the cheapest dates: Air China, China Southern Airlines, Korean Air, Jeju Air, S7 Airlines, Shandong Airlines.

Premium cabin fares from Seoul to Yuzhno-Sakhalinsk

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 Jul 2027 – 23 Sept 2027 in another cabin: Premium economy · Business · First

How far ahead were prices cheapest for Seoul to Yuzhno-Sakhalinsk?

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
Typical price in each booking range — round trip, per traveler in Economy.
Booked ahead byTypical fareCheapest dayAbove the cheapestDays of prices
0–6 days$708$634Cheapest seen37
7–13 days$736$691+4%26
14–29 days$719$657+2%39
30–59 days$728$649+3%49
60–89 days$820$718+16%46
90–179 days$800$731+13%45
180+ days$1,266$825+79%37

Live price for these dates

The cheapest return found recently is for 26 Jul 2027 – 23 Sept 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 Yuzhno-Sakhalinsk?

The cheapest return found recently is $1,426 with Korean Air, 26 Jul 2027 to 23 Sept 2027, found 2 days ago. The cheapest return we hold, of any age, is $679 with China Southern Airlines, 8 Dec to 16 Dec, found 7 days ago. The cheapest return fare on each of 17 departure dates is usually $766 to $1,169.

What is the cheapest month to fly from Seoul to Yuzhno-Sakhalinsk?

December 2026 is the cheapest month for a return, from $679, 8 Dec to 16 Dec, found 7 days ago.

How far ahead should I book a flight from Seoul to Yuzhno-Sakhalinsk?

In 49 days of prices between 24 Sept and 11 Nov, return fares were cheapest 0 to 6 days before departure.

Which airlines have the cheapest flights from Seoul to Yuzhno-Sakhalinsk?

Between 30 Nov and 25 Oct 2027, Air China has the cheapest return on 6 of the 17 departure dates we hold, China Southern Airlines on 4 and Korean Air on 4.

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