Every Miami–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/miami-to-washington/#2026-10-01-2026-10-03-F9https://flight.deals/flights/miami-to-washington/#2026-10-01-2026-10-03-F9MIA → WAS round-trip on Frontier Airlines, 2026-10-01 to 2026-10-03 (2 nights). Cached fare $125. Not enough cached history on this route yet to say what it usually costs.Tue, 01 Sep 2026 12:09:07 GMT