Cheap flights from Seoul to Yanji from $157 GMP, ICN → YNJ

Found recently, and the cheapest we hold

It is also the cheapest return we hold, of any age.

What have prices looked like?

Over 49 days, 24 Sept to 11 Nov, the cheapest return we saw each day was $149 to $206.

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

Could nearby dates be cheaper?

We hold no other 11-night return fares leaving within 3 days of 29 Nov to compare.

Every date we hold

107 fares on 9 departure dates

Which month looks cheapest?

November 2026 is the cheapest month — from $157.

Found recently, and the cheapest we hold

What have prices looked like?

Over 49 days, 24 Sept to 11 Nov, the cheapest one-way we saw each day was $69 to $96.

At $161, the cheapest one-way found recently is above that range.

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 1 Sept 2027 to compare.

Every date we hold

6 fares on 6 departure dates

Which month looks cheapest?

November 2026 is the cheapest month — from $69.

Return

The cheapest fares were 7 to 13 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 7 to 13 days before departure were typically 12% 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.

How much is a return flight from Seoul to Yanji?

The cheapest return found recently is $157 with Jeju Air, 29 Nov to 10 Dec, found 2 days ago. The cheapest return fare on each of 9 departure dates is usually $177 to $217.

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

The cheapest one-way found recently is $161 with China Southern Airlines, 1 Sept 2027, found 2 days ago. The cheapest one-way we hold, of any age, is $69 with Jeju Air, 26 Nov, found 3 days ago. The cheapest one-way fare on each of 6 departure dates is usually $78 to $118.

What is the cheapest month to fly from Seoul to Yanji?

November 2026 is the cheapest month for a return, from $157, 18 Nov to 27 Nov, found 4 days ago. It is the cheapest month for a one-way too, from $69, 26 Nov, found 3 days ago.

How far ahead should I book a flight from Seoul to Yanji?

In 49 days of prices between 24 Sept and 11 Nov, return fares were cheapest 7 to 13 days before departure. One-way fares 7 to 13 days before departure were typically 12% lower than 0 to 6 days before departure.

Is there a direct flight from Seoul to Yanji?

Yes, the cheapest nonstop return found recently is $157 with Jeju Air, 29 Nov to 10 Dec, found 2 days ago. The cheapest nonstop one-way found recently is $161 with China Southern Airlines, 1 Sept 2027, found 2 days ago.

How long is the flight from Seoul to Yanji?

The cheapest nonstop one-way found recently, with China Southern Airlines on 1 Sept 2027, takes 2 h 20 min from Incheon International Airport (ICN) to Yanji Chaoyangchuan Airport (YNJ).

Which airlines have the cheapest flights from Seoul to Yanji?

Between 13 Nov and 1 Sept 2027, Jeju Air has the cheapest return on 5 of the 9 departure dates we hold, China Eastern on 2 and Korean Air on 1. Between 22 Nov and 1 Sept 2027, Jeju Air has the cheapest one-way on 4 of the 6 departure dates we hold, Korean Air on 1 and China Southern Airlines on 1.