
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $176 (Delta) |
One-way from | $89 (Delta) |
Popular in | June |
Cheapest in | September |
Average price | $286 |
Good round-trip deal | $236 or less |
Good one-way deal | $139 or less |
Fly from
Fly to
Route
Depart
Return
BostonBaltimore
BOS - BWI
BOSBWI
Boston Logan Intl
Sat 9/5
5:10 pm-7:07 pm
Nonstop1h 57m
Baltimore/Washington
Mon 9/7
9:00 am-10:38 am
Nonstop1h 38m
BostonWashington, D.C.
BOS - DCA
BOSDCA
Boston Logan Intl
Wed 7/15
9:48 pm-11:44 pm
Nonstop1h 56m
Washington, D.C. Reagan-National
Sun 7/26
7:40 pm-11:31 pm
1 stop3h 51m
BostonWashington, D.C.
BOS - IAD
BOSIAD
Boston Logan Intl
Sat 7/11
7:27 pm-9:16 pm
Nonstop1h 49m
Washington, D.C. Dulles Intl
Tue 7/14
8:35 am-10:20 am
Nonstop1h 45m
BostonWashington, D.C.
BOS - IAD
BOSIAD
Boston Logan Intl
Tue 7/14
12:35 pm-2:43 pm
Nonstop2h 08m
Washington, D.C. Dulles Intl
Tue 7/21
10:10 pm-11:59 pm
Nonstop1h 49m
BostonWashington, D.C.
BOS - IAD
BOSIAD
Boston Logan Intl
Wed 8/12
5:45 am-7:20 am
Nonstop1h 35m
Washington, D.C. Dulles Intl
Sat 8/15
10:15 pm-11:59 pm
Nonstop1h 44m
BostonWashington, D.C.
BOS - DCA
BOSDCA
Boston Logan Intl
Sat 7/25
7:00 am-11:16 am
1 stop4h 16m
Washington, D.C. Reagan-National
Tue 7/28
10:00 pm-11:42 pm
Nonstop1h 42m
BostonWashington, D.C.
BOS - IAD
BOSIAD
Boston Logan Intl
Wed 7/8
2:15 pm-3:57 pm
Nonstop1h 42m
Washington, D.C. Dulles Intl
Tue 7/14
10:10 pm-11:59 pm
Nonstop1h 49m
BostonWashington, D.C.
BOS - IAD
BOSIAD
Boston Logan Intl
Thu 7/9
10:58 am-4:32 pm
1 stop5h 34m
Washington, D.C. Dulles Intl
Wed 7/15
10:10 pm-11:59 pm
Nonstop1h 49m
BostonWashington, D.C.
BOS - IAD
BOSIAD
Boston Logan Intl
Mon 9/14
7:23 pm-9:08 pm
Nonstop1h 45m
Washington, D.C. Dulles Intl
Fri 9/18
10:15 pm-11:59 pm
Nonstop1h 44m
BostonWashington, D.C.
BOS - IAD
BOSIAD
Boston Logan Intl
Mon 8/10
5:44 pm-11:19 pm
1 stop5h 35m
Washington, D.C. Dulles Intl
Tue 8/18
5:45 pm-9:59 pm
1 stop4h 14m
| 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 Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy2 stars | Trust Score*3 stars | |
| Price Accuracy2 stars | Trust Score*3 stars | |
| Price Accuracy1 star | Trust Score*3 stars | |
| Price Accuracy1 star | Trust Score*3 stars |
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 May is currently the most expensive (average of $309). 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 morning could potentially save you up to 50% on airfare.
The most flights from BOS to WAS are scheduled on a Friday (63 on average). You will have fewer flight options on Thursday, which is when the least amount of flights are scheduled (41 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.
The best time to book flights from Boston to Washington, D.C. is 65 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.
Travelers seeking maximum savings on their Boston to Washington, D.C. flight should consider departing on Wednesday 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.
Food
Overall
Entertainment
Crew
Boarding
Comfort
Reviews
Libby,Jun 2026
TUS - LAS
Food
Overall
Entertainment
Crew
Boarding
Comfort
Reviews
Libby,Jun 2026
TUS - LAS
Food
Overall
Entertainment
Crew
Boarding
Comfort
Reviews
Libby,Jun 2026
TUS - LAS
Food
Overall
Entertainment
Crew
Boarding
Comfort
Reviews
Libby,Jun 2026
TUS - LAS
Food
Overall
Entertainment
Crew
Boarding
Comfort
Reviews
Libby,Jun 2026
TUS - LAS
Food
Overall
Entertainment
Crew
Boarding
Comfort
Reviews
Libby,Jun 2026
TUS - LAS
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$84 | Average$263 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$118 | Average$235 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$127 | Average$253 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$138 | Average$250 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$153 | Average$263 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$170 | Average$312 | FlexibilityNo cancel fee | On-time63% |