Every Washington–Seoul fare we track, measured against the route's typical price whenever there is enough cached history to build one. Subscribe in any RSS reader for free single-route price alerts — no account, no email needed.https://flight.dealsen-ushttps://flight.deals/flights/washington-to-seoul/#2026-10-26-2026-11-02-YPhttps://flight.deals/flights/washington-to-seoul/#2026-10-26-2026-11-02-YPWAS → SEL round-trip on Air Premia, 2026-10-26 to 2026-11-02 (7 nights). Cached fare $1,004 vs typical $1,040.Tue, 01 Sep 2026 12:09:07 GMT