
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $136 (Kiwi.com) |
One-way from | $87 (Mytrip) |
Popular in | October |
Cheapest in | December |
Average price | $239 |
Good round-trip deal | $209 or less |
Good one-way deal | $143 or less |
Fly from
Fly to
Route
Depart
Return
Washington, D.C.Boston
IAD - BOS
IADBOS
Washington, D.C. Dulles Intl
Fri 5/29
10:10 pm-11:59 pm
Nonstop1h 49m
Boston Logan Intl
Sun 5/31
5:45 am-7:23 am
Nonstop1h 38m
BaltimoreBoston
BWI - BOS
BWIBOS
Baltimore/Washington
Tue 6/2
9:05 pm-10:40 pm
Nonstop1h 35m
Boston Logan Intl
Fri 6/5
7:50 pm-9:35 pm
Nonstop1h 45m
Washington, D.C.Boston
IAD - BOS
IADBOS
Washington, D.C. Dulles Intl
Thu 4/30
10:15 pm-11:59 pm
Nonstop1h 44m
Boston Logan Intl
Sun 5/3
5:45 am-7:24 am
Nonstop1h 39m
Washington, D.C.Boston
IAD - BOS
IADBOS
Washington, D.C. Dulles Intl
Mon 5/4
8:20 am-1:51 pm
1 stop5h 31m
Boston Logan Intl
Tue 5/5
7:26 pm-11:25 pm
1 stop3h 59m
Washington, D.C.Boston
IAD - BOS
IADBOS
Washington, D.C. Dulles Intl
Wed 5/13
8:20 am-1:51 pm
1 stop5h 31m
Boston Logan Intl
Sun 5/17
5:45 am-7:24 am
Nonstop1h 39m
Washington, D.C.Boston
IAD - BOS
IADBOS
Washington, D.C. Dulles Intl
Thu 5/28
6:33 am-11:16 am
1 stop4h 43m
Boston Logan Intl
Sun 6/7
5:45 am-7:23 am
Nonstop1h 38m
Washington, D.C.Boston
DCA - BOS
DCABOS
Washington, D.C. Reagan-National
Mon 4/13
7:00 am-1:29 pm
1 stop6h 29m
Boston Logan Intl
Tue 4/14
10:05 am-2:24 pm
1 stop4h 19m
Washington, D.C.Boston
DCA - BOS
DCABOS
Washington, D.C. Reagan-National
Thu 4/9
6:00 am-10:15 am
1 stop4h 15m
Boston Logan Intl
Tue 4/14
11:17 am-4:24 pm
1 stop5h 07m
Washington, D.C.Boston
IAD - BOS
IADBOS
Washington, D.C. Dulles Intl
Thu 5/21
12:35 pm-4:38 pm
1 stop4h 03m
Boston Logan Intl
Sun 5/24
5:45 am-7:23 am
Nonstop1h 38m
BaltimoreBoston
BWI - BOS
BWIBOS
Baltimore/Washington
Fri 4/24
6:00 am-7:47 am
Nonstop1h 47m
Boston Logan Intl
Tue 4/28
8:15 am-10:00 am
Nonstop1h 45m
| 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 Accuracy2 stars | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy2 stars | Trust Score*2 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy1 star | Trust Score*3 stars |
The best time to book flights from Washington, D.C. to Boston is 59 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, July is the cheapest month in which you can book a flight from Washington, D.C. to Boston (average of $55). Flying from Washington, D.C. to Boston in February is currently the most expensive (average of $137). 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 44% on your trip compared to booking a flight at noon.
Travelers seeking maximum savings on their Washington, D.C. to Boston flight should consider departing on Thursday 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 Friday (82 on average). You will have fewer flight options on Sunday, which is when the least amount of flights are scheduled (9 on average).
About 19% of weekly flights between Washington, D.C. and Boston have experienced delays in the past year, with the average delay time being 130 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 15% of flights being delayed.
Crew
Boarding
Entertainment
Overall
Food
Comfort
Reviews
Jim,Nov 2025
AVL - ATL
Crew
Boarding
Entertainment
Overall
Food
Comfort
Reviews
Jim,Nov 2025
AVL - ATL
Crew
Boarding
Entertainment
Overall
Food
Comfort
Reviews
Jim,Nov 2025
AVL - ATL
Crew
Boarding
Entertainment
Overall
Food
Comfort
Reviews
Jim,Nov 2025
AVL - ATL
Crew
Boarding
Entertainment
Overall
Food
Comfort
Reviews
Jim,Nov 2025
AVL - ATL
Crew
Boarding
Entertainment
Overall
Food
Comfort
Reviews
Jim,Nov 2025
AVL - ATL
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$49 | Average$153 | FlexibilityNo cancel fee | On-time65% | |
| Cheapest$86 | Average$250 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$86 | Average$236 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$110 | Average$217 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$141 | Average$282 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$159 | Average$279 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$162 | Average$277 | FlexibilityNo cancel fee | On-time63% |