Route guide · United States to South Korea
Seattle to Seoul flights
We have checked 11 round-trip Seattle to Seoul fares since 25 Sept 2026. Nonstop fares were typically US$1,233, about 11h 55m outbound.
↔ Round trip5–21 nights away0–1 stops per leg
From our own fare checks
Seattle to Seoul prices we have seen
Our fare engine checked this route on 5 days between 25 Sept 2026 and 22 Oct 2026. For each set of dates and stops it keeps the lowest round-trip price: 11 fares in all.
| Journey | Lowest | Typical | Highest | Flight time out / back | Fares |
|---|---|---|---|---|---|
| Nonstop | US$1,152 | US$1,233 | US$2,399 | 11h 55m / 9h 50m | 7 |
Typical price by departure month
- December 2026US$1,317from US$1,057 · 7 fares
Airlines we saw most often
Korean Air, Cathay Pacific.
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