Every Copenhagen–Washington 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/copenhagen-to-washington/#2026-11-22-2026-12-10-FIhttps://flight.deals/flights/copenhagen-to-washington/#2026-11-22-2026-12-10-FICPH → WAS round-trip on Icelandair, 2026-11-22 to 2026-12-10 (18 nights). Cached fare $457. Not enough cached history on this route yet to say what it usually costs.Sun, 23 Aug 2026 05:58:32 GMT