hilton washington dc capitol hill4 out of 5 northwest save 100% on your flight price was $785, price is now $548 per person $548 per person may 24 - may 28 found 2 hours ago roundtrip flight included boston (bos) to washington (dca) stay at this 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 smithsonian institution and national mall are located nearby. great location. easy walk to the metro. pretty lobby with great bar and nice rooms. reviewed on oct 27, 2025