Jun 03, 2018  · Now $259 (Was $̶3̶1̶3̶) on TripAdvisor: Mandarin Oriental, Washington DC, Washington DC. See 1,995 traveler reviews, 1,079 candid photos, and great deals for Mandarin Oriental, Washington DC, ranked #13 of 142 hotels in Washington DC and rated 4.5 of 5 at TripAdvisor. We just got home from a trip to Washington DC. The highlight of the trip – our OnBoard Tour of the sights with Amy!! What…