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

Based on current 6-month forward fare data, May 2026 is the cheapest month to fly from Seattle (SEA) to Seoul (ICN), with fares starting from $505.

What is the lowest current fare from SEA to ICN?

The lowest currently-listed fare from Seattle (SEA) to Seoul (ICN) is $505 on 2026-05-25.

How long is the flight from Seattle to Seoul?

Direct flights from SEA to ICN cover approximately 8,376 km (5,205 miles), with an estimated flight time of 9h 51m. Operating airlines: AS, DL, HA, KE, OZ.

Cheap flights from Seattle to Seoul

Cheapest current fares: $505 in May 2026, 8,376 km direct flight in ~9h 51m.

Last updated May 25, 2026 · By Flightmaps Editorial

Cheapest month-by-month fares

Lowest available fare per calendar month from Seattle (SEA) to Seoul (ICN). Refreshed daily.

Seattle (SEA) → Seoul (ICN)

May 2026 $505
June 2026 $590
October 2026 $598

Frequently asked questions

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

Based on current 6-month forward fare data, May 2026 is the cheapest month to fly from Seattle (SEA) to Seoul (ICN), with fares starting from $505.
What is the lowest current fare from SEA to ICN?

The lowest currently-listed fare from Seattle (SEA) to Seoul (ICN) is $505 on 2026-05-25.
How long is the flight from Seattle to Seoul?

Direct flights from SEA to ICN cover approximately 8,376 km (5,205 miles), with an estimated flight time of 9h 51m. Operating airlines: AS, DL, HA, KE, OZ.

Related guides for this route

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