Seoul: Gyeongbokgung Palace's Geunjeongjeon hall with Bugaksan mountain behind on a clear day (AI-generated image)

Your next Asia escape

Seoul is calling.

Seattle (SEA) to Seoul (ICN)

Round trip1 adult · EconomyFrom US$1,774.00

Nonstop both ways

Stay a little longer

Choose your escape

1 date option

Prices are in USD per person, round trip. Pick your dates and go straight to the flight search.

Our fare pick7 nights away

Korean Air

Outbound

12 Apr 2027

SEA to ICN

Nonstop · 11h 50m

Return

19 Apr 2027

ICN to SEA

Nonstop · 9h 55m

Airports: SEA to ICN

Why this fare is worth a look

A recently found return fare with usable dates and duration. No special price claim is made.

Not enough FlyMeAsia history yet for a reliable route comparison.

Travel window: approximately five months ahead.

21h 45m total return journey · provider duration

US$1,774.00per person · round trip

See Fare

Cached price checked 1 Nov, 03:10 UTC

Indicative cached fares, subject to availability. We may earn a commission through partner links. How this works

Image: FlyMeAsia with ChatGPT · AI-generated image

Track this trip

From our own fare checks

Seattle to Seoul prices we have seen

Our fare engine checked this route on 6 days between 25 Sept 2026 and 1 Nov 2026. For each set of dates and stops it keeps the lowest round-trip price: 13 fares in all.

Journey	Lowest	Typical	Highest	Flight time out / back	Fares
Nonstop	US$1,152	US$1,275	US$2,399	11h 55m / 9h 50m	8
With one stop	US$851	US$896	US$2,110	17h 50m / 15h 45m	5

Typical is the median. Round trip, one adult, economy, stays of 5–21 nights, at most one stop each way. Flight time is the median journey time for each direction, including any connection.

Typical price by departure month

December 2026US$1,317from US$1,057 · 7 fares

Airlines we saw most often

Korean Air, Cathay Pacific.

Seattle to Seoul flights: prices, flight times and more dates