hilton washington dc capitol hill4 out of 5 northwest save 100% on your flight price was $743, price is now $504 per person $504 per person sep 11 - sep 14 found 11 hours ago roundtrip flight included detroit (dtt) to washington (dca) stay at this 4-star hotel in washington. enjoy free wifi, a fitness center, and valet parking (surcharge). our guests praise the helpful staff and the clean rooms in our reviews. popular attractions union station shopping center and capital one arena are located nearby. the staff was very courteous and helpful! the location is great!! reviewed on jan 1, 2025