
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $108 (Cheapflightsfares) |
One-way from | $69 (Cheapflightsfares) |
Popular in | March |
Cheapest in | September |
Average price | $257 |
Good round-trip deal | $233 or less |
Good one-way deal | $129 or less |
Fly from
Fly to
Route
Depart
Return
BostonBaltimore
BOS - BWI
BOSBWI
Boston Logan Intl
mié. 5/27
5:25 pm-7:16 pm
Nonstop1h 51m
Baltimore/Washington
mié. 6/3
3:53 pm-5:45 pm
Nonstop1h 52m
BostonBaltimore
BOS - BWI
BOSBWI
Boston Logan Intl
lun. 6/8
5:45 am-7:20 am
Nonstop1h 35m
Baltimore/Washington
mar. 6/9
2:10 pm-3:40 pm
Nonstop1h 30m
BostonWashington, D.C.
BOS - DCA
BOSDCA
Boston Logan Intl
mar. 6/2
9:55 pm-11:42 pm
Nonstop1h 47m
Washington, D.C. Reagan-National
dom. 6/7
7:40 pm-11:27 pm
1 stop3h 47m
BostonBaltimore
BOS - BWI
BOSBWI
Boston Logan Intl
mar. 5/12
5:25 pm-7:16 pm
Nonstop1h 51m
Baltimore/Washington
vie. 5/15
7:59 pm-9:42 pm
Nonstop1h 43m
BostonWashington, D.C.
BOS - IAD
BOSIAD
Boston Logan Intl
mar. 6/16
9:30 am-11:12 am
Nonstop1h 42m
Washington, D.C. Dulles Intl
vie. 6/19
10:10 pm-11:59 pm
Nonstop1h 49m
BostonWashington, D.C.
BOS - DCA
BOSDCA
Boston Logan Intl
dom. 5/17
7:00 am-12:59 pm
1 stop5h 59m
Washington, D.C. Reagan-National
mar. 5/19
8:40 am-10:33 am
Nonstop1h 53m
BostonWashington, D.C.
BOS - IAD
BOSIAD
Boston Logan Intl
jue. 5/28
6:00 am-11:28 am
1 stop5h 28m
Washington, D.C. Dulles Intl
lun. 6/1
10:10 pm-11:59 pm
Nonstop1h 49m
BostonWashington, D.C.
BOS - IAD
BOSIAD
Boston Logan Intl
mar. 5/26
5:44 pm-11:19 pm
1 stop5h 35m
Washington, D.C. Dulles Intl
vie. 5/29
10:10 pm-11:59 pm
Nonstop1h 49m
BostonWashington, D.C.
BOS - DCA
BOSDCA
Boston Logan Intl
vie. 5/8
8:30 am-2:24 pm
1 stop5h 54m
Washington, D.C. Reagan-National
dom. 5/10
9:00 am-1:51 pm
1 stop4h 51m
BostonWashington, D.C.
BOS - DCA
BOSDCA
Boston Logan Intl
vie. 5/1
6:00 am-12:30 pm
1 stop6h 30m
Washington, D.C. Reagan-National
mar. 5/5
9:00 am-12:51 pm
1 stop3h 51m
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy1 star | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy- | Trust Score*1 star | |
| Price Accuracy2 stars | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy2 stars | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy1 star | Trust Score*3 stars |
The best time to book flights from Boston to Washington, D.C. is 37 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, September is the cheapest month in which you can book a flight from Boston to Washington, D.C. (average of $193). Flying from Boston to Washington, D.C. in April is currently the most expensive (average of $311). 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.
One of the essential ways to save on airfare from Boston to Washington, D.C. is to remain as flexible as possible. Flights that are in the afternoon tend to be the most expensive. A flight in the evening could potentially save you up to 54% on airfare.
Travelers seeking maximum savings on their Boston to Washington, D.C. flight should consider departing on Friday evenings 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 BOS to WAS are scheduled on a Thursday (70 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (27 on average).
About 19% of weekly flights between Boston and Washington, D.C. have experienced delays in the past year, with the average delay time being 131 minutes.
Historically, flights departing in the morning are less likely to be delayed, whereas flights leaving in the evening tend to experience delays more often.
Saturday tends to have the lowest number of delays on this route, whereas Sunday has historically faced a higher average of delays compared to other days of the week.
Over the last year, American Airlines have had the lowest number of delays on this route, with just 18% of flights being delayed.
Boarding
Crew
Overall
Entertainment
Food
Comfort
Reviews
Jim,Nov 2025
AVL - ATL
Boarding
Crew
Overall
Entertainment
Food
Comfort
Reviews
Jim,Nov 2025
AVL - ATL
Boarding
Crew
Overall
Entertainment
Food
Comfort
Reviews
Jim,Nov 2025
AVL - ATL
Boarding
Crew
Overall
Entertainment
Food
Comfort
Reviews
Jim,Nov 2025
AVL - ATL
Boarding
Crew
Overall
Entertainment
Food
Comfort
Reviews
Jim,Nov 2025
AVL - ATL
Boarding
Crew
Overall
Entertainment
Food
Comfort
Reviews
Jim,Nov 2025
AVL - ATL
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$48 | Average$161 | FlexibilityNo cancel fee | On-time65% | |
| Cheapest$80 | Average$256 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$118 | Average$269 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$127 | Average$277 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$156 | Average$256 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$168 | Average$288 | FlexibilityNo cancel fee | On-time63% |