Cheap flights from Osaka to Seoul from $103 ITM, KIX, UKB → 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 $133 to $201.

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

Could nearby dates be cheaper?

No. We hold 3-night return fares on 1 other departure date within 3 days of 16 Dec, and it is not cheaper.

Every date we hold

768 fares on 21 departure dates

Which month looks cheapest?

December 2026 is the cheapest month — from $158.

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 $34 to $108.

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 6 Jan 2027 to compare.

Every date we hold

291 fares on 44 departure dates

Which month looks cheapest?

January 2027 is the cheapest month — from $97.

Return

Fares 90 to 179 days before departure were typically 9% 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

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.

How much is a return flight from Osaka to Seoul?

The cheapest return found recently is $165 with Peach, 16 Dec to 19 Dec, found yesterday. The cheapest return we hold, of any age, is $158 with Peach, 16 Dec to 19 Dec, found 3 days ago. The cheapest return fare on each of 21 departure dates is usually $201 to $266.

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

The cheapest one-way found recently is $103 with Peach, 6 Jan 2027, found 2 days ago. The cheapest one-way we hold, of any age, is $97 with Peach, 6 Jan 2027, found 4 days ago. The cheapest one-way fare on each of 44 departure dates is usually $115 to $178.

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

December 2026 is the cheapest month for a return, from $158, 16 Dec to 19 Dec, found 3 days ago. January 2027 is the cheapest month for a one-way, from $97, 6 Jan 2027, found 4 days ago.

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

In 49 days of prices between 24 Sept and 11 Nov, return fares 90 to 179 days before departure were typically 9% 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 Osaka to Seoul?

Yes, the cheapest nonstop return found recently is $165 with Peach, 16 Dec to 19 Dec, found yesterday. The cheapest nonstop one-way found recently is $103 with Peach, 6 Jan 2027, found 2 days ago.

How long is the flight from Osaka to Seoul?

The cheapest nonstop one-way found recently, with Peach on 6 Jan 2027, takes 2 h from Kansai International Airport (KIX) to Incheon International Airport (ICN).

Which airlines have the cheapest flights from Osaka to Seoul?

Between 14 Nov and 22 Aug 2027, Peach has the cheapest return on 16 of the 21 departure dates we hold, Asiana Airlines on 2 and Eastar Jet on 2. Between 26 Nov and 6 Oct 2027, Peach has the cheapest one-way on 17 of the 44 departure dates we hold, Korean Air on 10 and Eastar Jet on 7.