Cheap flights from Seoul to Tokyo from $81 GMP, ICN → HND, NRT

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 $149 to $182.

At $207, the cheapest return found recently is above that range.

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

Could nearby dates be cheaper?

No. We hold 8-night return fares on 1 other departure date within 3 days of 18 Nov, and it is not cheaper.

Every date we hold

1810 fares on 116 departure dates

Which month looks cheapest?

December 2026 is the cheapest month — from $175.

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 $54 to $85.

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

Could nearby dates be cheaper?

Yes. Among one-way fares leaving within 3 days of 27 Dec, 26 Dec costs $73: $8 less than the cheapest found recently.

T'way Air · Incheon International Airport (ICN) → Narita International Airport (NRT) · nonstop · found 4 days ago

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Every date we hold

398 fares on 106 departure dates

Which month looks cheapest?

December 2026 is the cheapest month — from $73.

Return

Fares 14 to 29 days before departure were typically 19% 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 30 to 59 days before departure were typically 16% lower than 7 to 13 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 Tokyo?

The cheapest return found recently is $207 with Eastar Jet, 18 Nov to 26 Nov, found 2 days ago. The cheapest return we hold, of any age, is $175 with Air Seoul, 28 Dec to 5 Jan 2027, found 4 days ago. The cheapest return fare on each of 116 departure dates is usually $228 to $291.

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

The cheapest one-way found recently is $81 with Eastar Jet, 27 Dec, found 2 days ago. The cheapest one-way we hold, of any age, is $73 with T'way Air, 26 Dec, found 4 days ago. The cheapest one-way fare on each of 106 departure dates is usually $105 to $121.

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

December 2026 is the cheapest month for a return, from $175, 28 Dec to 5 Jan 2027, found 4 days ago. It is the cheapest month for a one-way too, from $73, 26 Dec, found 4 days ago.

Every date in December 2026

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

In 49 days of prices between 24 Sept and 11 Nov, return fares 14 to 29 days before departure were typically 19% lower than 0 to 6 days before departure. One-way fares 30 to 59 days before departure were typically 16% lower than 7 to 13 days before departure.

Is there a direct flight from Seoul to Tokyo?

Yes, the cheapest nonstop return found recently is $207 with Eastar Jet, 18 Nov to 26 Nov, found 2 days ago. The cheapest nonstop one-way found recently is $81 with Eastar Jet, 27 Dec, found 2 days ago.

How long is the flight from Seoul to Tokyo?

The cheapest nonstop one-way found recently, with Eastar Jet on 27 Dec, takes 2 h 55 min from Incheon International Airport (ICN) to Narita International Airport (NRT).

Which airlines have the cheapest flights from Seoul to Tokyo?

Between 14 Nov and 18 Oct 2027, ZIPAIR has the cheapest return on 51 of the 116 departure dates we hold, Peach on 21 and Eastar Jet on 10. Between 26 Nov and 28 Oct 2027, ZIPAIR has the cheapest one-way on 78 of the 106 departure dates we hold, Eastar Jet on 10 and Peach on 7.