Cheap flights from Yuzhno-Sakhalinsk to Seoul from $397 UUS → GMP, ICN

Found recently, and the cheapest we hold

What have prices looked like?

Over 49 days, 24 Sept to 11 Nov, the cheapest return we saw each day was $629 to $749.

Those were the prices on those days, not today's.

Could nearby dates be cheaper?

We hold no other 13-night return fares leaving within 3 days of 16 Dec to compare.

Every date we hold

155 fares on 42 departure dates

Which month looks cheapest?

December 2026 is the cheapest month — from $629.

Found recently, and the cheapest we hold

What have prices looked like?

Over 47 days, 24 Sept to 11 Nov, the cheapest one-way we saw each day was $277 to $773.

Those were the prices on those days, not today's.

Could nearby dates be cheaper?

We hold no other one-way fares leaving within 3 days of 29 Jun 2027 to compare.

Every date we hold

14 fares on 2 departure dates

Which month looks cheapest?

March 2027 is the cheapest month — from $352.

Return

Fares 30 to 59 days before departure were typically 13% 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.

One-way

Fares 14 to 29 days before departure were typically 5% lower than 0 to 6 days before departure.

From the cheapest one-way each day between 24 Sept and 11 Nov (47 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.

How much is a return flight from Yuzhno-Sakhalinsk to Seoul?

The cheapest return found recently is $733 with S7 Airlines, 16 Dec to 29 Dec, found 2 days ago. The cheapest return we hold, of any age, is $629 with S7 Airlines, 3 Dec to 26 Dec, found 7 days ago. The cheapest return fare on each of 42 departure dates is usually $774 to $923.

How much is a one-way flight from Yuzhno-Sakhalinsk to Seoul?

The cheapest one-way found recently is $397 with S7 Airlines, 29 Jun 2027, found 2 days ago. The cheapest one-way we hold, of any age, is $352 with S7 Airlines, 3 Mar 2027, found 4 days ago.

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

December 2026 is the cheapest month for a return, from $629, 3 Dec to 26 Dec, found 7 days ago. March 2027 is the cheapest month for a one-way, from $352, 3 Mar 2027, found 4 days ago.

Every date in December 2026

Every date in March 2027

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

In 49 days of prices between 24 Sept and 11 Nov, return fares 30 to 59 days before departure were typically 13% lower than 0 to 6 days before departure. In 47 days of prices between 24 Sept and 11 Nov, one-way fares 14 to 29 days before departure were typically 5% lower than 0 to 6 days before departure.

How long is the flight from Yuzhno-Sakhalinsk to Seoul?

The cheapest one-way found recently, with S7 Airlines on 29 Jun 2027, takes 43 h with 2 stops, including a 35 h connection.

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

Between 23 Nov and 1 Oct 2027, S7 Airlines has the cheapest return on 35 of the 42 departure dates we hold, and Aurora on 7.