For quick check-in at IAD, locate your airline counter in the main terminal's island setup. Be prepared for crowded afternoon and evening hours.
Round-trip from | $85 (Mytrip) |
---|---|
One-way from | $49 (FlightHub) |
Popular in | April |
Cheapest in | January |
Average price | $223 |
Good round-trip deal | $122 or less |
Good one-way deal | $84 or less |
Fly from
Fly to
Route
Depart
Return
Price
BaltimoreBoston
BWI - BOS
BWIBOS
Baltimore/Washington
Tue 7/1
2:15 pm-3:45 pm
Nonstop1h 30m
Boston Logan Intl
Sun 10/19
6:00 am-7:33 am
Nonstop1h 33m
Washington, D.C.Boston
DCA - BOS
DCABOS
Washington, D.C. Reagan-National
Thu 8/7
6:00 am-7:42 am
Nonstop1h 42m
Boston Logan Intl
Wed 8/13
1:05 pm-2:59 pm
Nonstop1h 54m
Washington, D.C.Boston
IAD - BOS
IADBOS
Washington, D.C. Dulles Intl
Wed 8/13
10:18 pm-11:59 pm
Nonstop1h 41m
Boston Logan Intl
Thu 8/14
9:30 am-11:10 am
Nonstop1h 40m
Washington, D.C.Boston
DCA - BOS
DCABOS
Washington, D.C. Reagan-National
Thu 8/7
8:00 am-9:36 am
Nonstop1h 36m
Boston Logan Intl
Mon 8/11
8:00 am-9:41 am
Nonstop1h 41m
BaltimoreBoston
BWI - BOS
BWIBOS
Baltimore/Washington
Thu 7/10
7:10 am-8:37 am
Nonstop1h 27m
Boston Logan Intl
Sun 7/13
6:00 am-11:36 pm
1 stop17h 36m
Washington, D.C.Boston
DCA - BOS
DCABOS
Washington, D.C. Reagan-National
Wed 8/13
3:35 pm-10:30 pm
1 stop6h 55m
Boston Logan Intl
Mon 8/18
5:00 am-11:00 am
1 stop6h 00m
BaltimoreBoston
BWI - BOS
BWIBOS
Baltimore/Washington
Mon 8/11
6:00 am-10:40 am
1 stop4h 40m
Boston Logan Intl
Thu 8/14
11:58 am-6:30 pm
1 stop6h 32m
BaltimoreBoston
BWI - BOS
BWIBOS
Baltimore/Washington
Sat 8/30
6:20 am-8:05 am
Nonstop1h 45m
Boston Logan Intl
Tue 9/2
9:05 am-10:52 am
Nonstop1h 47m
Washington, D.C.Boston
DCA - BOS
DCABOS
Washington, D.C. Reagan-National
Wed 7/16
7:00 am-8:48 am
Nonstop1h 48m
Boston Logan Intl
Mon 7/21
6:00 am-7:44 am
Nonstop1h 44m
BaltimoreBoston
BWI - BOS
BWIBOS
Baltimore/Washington
Sat 8/9
8:40 pm-10:15 pm
Nonstop1h 35m
Boston Logan Intl
Sat 8/23
6:10 pm-7:50 pm
Nonstop1h 40m
The best time to book flights from Washington, D.C. to Boston is 30 days before your desired departure date. The cost of your flight will likely increase significantly if you book two weeks in advance of your flight.
Currently, January is the cheapest month in which you can book a flight from Washington, D.C. to Boston (average of $218). Flying from Washington, D.C. to Boston in June is currently the most expensive (average of $306). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.
A simple way to save on the total cost of your ticket is to fly from Washington, D.C. to Boston in the evening. If you’re flexible enough to do this you can expect to save up to 45% on your trip compared to booking a flight in the afternoon.
Travelers seeking maximum savings on their Washington, D.C. to Boston flight should consider departing on Tuesday mornings when fares are most often at their lowest. Sunday afternoons flights should be avoided if possible as fares are typically the most expensive at this time.
The most flights from WAS to BOS are scheduled on a Monday (87 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (16 on average).
In terms of precipitation, rainfall in Boston ranges from 3.1 - 4.0 inches per month. March is typically the wettest month, when rainfall can reach 4.0 in. July is typically the driest time to visit Boston when rainfall is around 3.1 in.
If weather is an important factor for your trip to Boston, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 73.4 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 30.2 F).
Comfort
Crew
Entertainment
Overall
Food
Boarding
Reviews
John,May 2025
PVD - BNA
Comfort
Crew
Entertainment
Overall
Food
Boarding
Reviews
John,May 2025
PVD - BNA
Comfort
Crew
Entertainment
Overall
Food
Boarding
Reviews
John,May 2025
PVD - BNA
Comfort
Crew
Entertainment
Overall
Food
Boarding
Reviews
John,May 2025
PVD - BNA
Comfort
Crew
Entertainment
Overall
Food
Boarding
Reviews
John,May 2025
PVD - BNA
Comfort
Crew
Entertainment
Overall
Food
Boarding
Reviews
John,May 2025
PVD - BNA
Airline | Cheapest | Average | Flexibility | On-time |
---|---|---|---|---|
Cheapest$49 | Average$116 | FlexibilityNo cancel fee | On-time65% | |
Cheapest$63 | Average$233 | FlexibilityNo cancel fee | On-time62% | |
Cheapest$78 | Average$232 | FlexibilityNo cancel fee | On-timeN/A | |
Cheapest$118 | Average$279 | FlexibilityNo cancel fee | On-time69% | |
Cheapest$141 | Average$251 | FlexibilityNo cancel fee | On-time71% | |
Cheapest$165 | Average$268 | FlexibilityNo cancel fee | On-time63% |