Cheap flights from Washington Dulles to Boston Logan from $79
Updated 2026-07-21
412 miles great-circle distance, typically flown in 1h 14m with 5 airlines operating direct service from Washington Dulles (IAD) to Boston Logan (BOS). Fares on this corridor stay relatively stable across the year — booking 4–8 weeks ahead and choosing a midweek departure typically secures the best price.
Flying from Washington Dulles
Washington Dulles International is United Airlines' Mid-Atlantic hub and the larger of the two Washington-region airports. Metro's Silver Line extension opened in 2022, running from the airport's underground station directly to downtown Washington DC in around 50 minutes for $7. International long-haul through IAD is the deepest of any DC-area airport, with United, BA, Virgin Atlantic, Lufthansa, Air France, Qatar, Emirates and Ethiopian all running daily flights to global hubs.
Arriving in Boston
Boston Logan is 3 miles from downtown Boston — the closest big-city airport in the country to its city centre. The Silver Line bus runs free for arriving passengers from each terminal directly to South Station in 15 minutes. Fares to Boston peak around college move-in (late August), graduation (May) and during the Marathon (April); January and February are cheapest, though weather disruption is significant.
Who flies IAD to BOS?
| Airline | IATA | Flight time | Cabin |
| United Airlines | UA | 1h 14m | Economy |
| Frontier Airlines | F9 | 1h 14m | Economy |
| American Airlines | AA | 1h 14m | Economy |
| Delta Air Lines | DL | 1h 14m | Economy |
| JetBlue Airways | B6 | 1h 14m | Economy |
5 carriers fly direct on this corridor. Frequencies vary by season — summer and winter holiday peaks see additional flights.
Washington to Boston FAQs
Direct flights from Washington Dulles (IAD) to Boston Logan (BOS) take approximately 1h 14m for the 412-mile journey, plus 30–60 minutes of taxi, climb and descent. Total airport-to-airport time depends on cruise winds and air-traffic queueing on approach.
5 carriers operate direct service from Washington Dulles (IAD) to Boston Logan (BOS): United Airlines, Frontier Airlines, American Airlines, Delta Air Lines and JetBlue Airways. Frequencies vary by season and carrier — United Airlines typically operates the highest weekly count on this corridor.
No — United States is domestic travel for US citizens. A US passport is not required for the 50 states, DC or US territories (Puerto Rico, US Virgin Islands, Guam, American Samoa, Northern Mariana Islands), though Real ID-compliant ID is required at TSA from May 2025.
Boston Logan (BOS) is the primary international airport for Boston. Allow 30–60 minutes for the ground transfer by train, express bus, taxi or rideshare depending on traffic and time of day. See the airport's official website for current train and shuttle timetables.