
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $137 (Delta) |
One-way from | $69 (Southwest) |
Popular in | March |
Cheapest in | December |
Average price | $257 |
Good round-trip deal | $218 or less |
Good one-way deal | $103 or less |
Fly from
Fly to
Route
Depart
Return
BaltimoreBoston
BWI - BOS
BWIBOS
Baltimore/Washington
Thu 7/16
9:00 am-10:38 am
Nonstop1h 38m
Boston Logan Intl
Tue 7/21
11:10 am-12:53 pm
Nonstop1h 43m
Washington, D.C.Boston
IAD - BOS
IADBOS
Washington, D.C. Dulles Intl
Sun 5/24
10:10 pm-11:59 pm
Nonstop1h 49m
Boston Logan Intl
Mon 5/25
5:45 am-7:23 am
Nonstop1h 38m
Washington, D.C.Boston
DCA - BOS
DCABOS
Washington, D.C. Reagan-National
Sat 6/27
5:00 pm-10:41 pm
1 stop5h 41m
Boston Logan Intl
Tue 6/30
7:25 am-9:18 am
Nonstop1h 53m
Washington, D.C.Boston
DCA - BOS
DCABOS
Washington, D.C. Reagan-National
Tue 6/16
11:00 am-2:24 pm
1 stop3h 24m
Boston Logan Intl
Wed 6/17
9:15 am-11:03 am
Nonstop1h 48m
Washington, D.C.Boston
IAD - BOS
IADBOS
Washington, D.C. Dulles Intl
Tue 6/23
10:10 pm-11:59 pm
Nonstop1h 49m
Boston Logan Intl
Sun 6/28
5:45 am-7:23 am
Nonstop1h 38m
Washington, D.C.Boston
DCA - BOS
DCABOS
Washington, D.C. Reagan-National
Tue 6/2
8:40 am-10:33 am
Nonstop1h 53m
Boston Logan Intl
Tue 6/9
10:00 am-4:20 pm
1 stop6h 20m
Washington, D.C.Boston
DCA - BOS
DCABOS
Washington, D.C. Reagan-National
Tue 9/1
2:00 pm-7:32 pm
1 stop5h 32m
Boston Logan Intl
Tue 9/8
9:35 pm-11:26 pm
Nonstop1h 51m
Washington, D.C.Boston
DCA - BOS
DCABOS
Washington, D.C. Reagan-National
Thu 6/4
6:00 am-7:41 am
Nonstop1h 41m
Boston Logan Intl
Sun 6/7
6:06 am-10:02 am
1 stop3h 56m
Washington, D.C.Boston
DCA - BOS
DCABOS
Washington, D.C. Reagan-National
Thu 5/28
6:59 am-8:40 am
Nonstop1h 41m
Boston Logan Intl
Fri 5/29
4:00 pm-8:59 pm
1 stop4h 59m
Washington, D.C.Boston
IAD - BOS
IADBOS
Washington, D.C. Dulles Intl
Thu 6/4
10:10 pm-11:59 pm
Nonstop1h 49m
Boston Logan Intl
Sat 6/6
5:45 am-7:23 am
Nonstop1h 38m
| 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 Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy2 stars | Trust Score*3 stars | |
| Price Accuracy2 stars | Trust Score*1 star |
The best time to book flights from Washington, D.C. to Boston is 52 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, June is the cheapest month in which you can book a flight from Washington, D.C. to Boston (average of $214). Flying from Washington, D.C. to Boston in April is currently the most expensive (average of $324). 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 40% 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 Monday evenings when fares are most often at their lowest. Tuesday 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 Thursday (75 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (14 on average).
About 20% of weekly flights between Washington, D.C. and Boston 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, Delta have had the lowest number of delays on this route, with just 16% of flights being delayed.
Food
Comfort
Boarding
Overall
Entertainment
Crew
Reviews
Anonymous,May 2026
SEA - KOA
Food
Comfort
Boarding
Overall
Entertainment
Crew
Reviews
Anonymous,May 2026
SEA - KOA
Food
Comfort
Boarding
Overall
Entertainment
Crew
Reviews
Anonymous,May 2026
SEA - KOA
Food
Comfort
Boarding
Overall
Entertainment
Crew
Reviews
Anonymous,May 2026
SEA - KOA
Food
Comfort
Boarding
Overall
Entertainment
Crew
Reviews
Anonymous,May 2026
SEA - KOA
Food
Comfort
Boarding
Overall
Entertainment
Crew
Reviews
Anonymous,May 2026
SEA - KOA
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$46 | Average$161 | FlexibilityNo cancel fee | On-time65% | |
| Cheapest$86 | Average$258 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$92 | Average$251 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$118 | Average$228 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$141 | Average$306 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$158 | Average$280 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$163 | Average$286 | FlexibilityNo cancel fee | On-time63% |