
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $170 (Kiwi.com) |
One-way from | $88 (Kiwi.com) |
Popular in | May |
Cheapest in | January |
Average price | $318 |
Good round-trip deal | $284 or less |
Good one-way deal | $152 or less |
Fly from
Fly to
Route
Depart
Return
Washington, D.C.Boston
IAD - BOS
IADBOS
Washington, D.C. Dulles Intl
tis 6/30
10:10 pm-11:59 pm
Nonstop1h 49m
Boston Logan Intl
tis 7/7
9:30 am-11:12 am
Nonstop1h 42m
Washington, D.C.Boston
IAD - BOS
IADBOS
Washington, D.C. Dulles Intl
ons 7/8
8:35 am-10:20 am
Nonstop1h 45m
Boston Logan Intl
lör 7/11
5:45 am-7:23 am
Nonstop1h 38m
Washington, D.C.Boston
IAD - BOS
IADBOS
Washington, D.C. Dulles Intl
fre 5/22
6:33 am-11:16 am
1 stop4h 43m
Boston Logan Intl
ons 5/27
5:44 pm-11:19 pm
1 stop5h 35m
Washington, D.C.Boston
IAD - BOS
IADBOS
Washington, D.C. Dulles Intl
lör 8/15
10:10 pm-11:54 pm
Nonstop1h 44m
Boston Logan Intl
lör 8/22
7:35 am-11:26 am
1 stop3h 51m
Washington, D.C.Boston
IAD - BOS
IADBOS
Washington, D.C. Dulles Intl
lör 5/30
10:10 pm-11:59 pm
Nonstop1h 49m
Boston Logan Intl
tis 6/2
5:45 am-7:23 am
Nonstop1h 38m
Washington, D.C.Boston
IAD - BOS
IADBOS
Washington, D.C. Dulles Intl
tors 5/21
6:33 am-11:16 am
1 stop4h 43m
Boston Logan Intl
sön 5/24
7:00 pm-11:19 pm
1 stop4h 19m
Washington, D.C.Boston
IAD - BOS
IADBOS
Washington, D.C. Dulles Intl
mån 7/13
5:42 pm-9:53 pm
1 stop4h 11m
Boston Logan Intl
tors 7/16
5:45 am-7:23 am
Nonstop1h 38m
Washington, D.C.Boston
IAD - BOS
IADBOS
Washington, D.C. Dulles Intl
mån 5/11
10:15 pm-11:59 pm
Nonstop1h 44m
Boston Logan Intl
tis 5/12
3:32 pm-9:11 pm
1 stop5h 39m
Washington, D.C.Boston
IAD - BOS
IADBOS
Washington, D.C. Dulles Intl
fre 9/25
6:45 am-11:18 am
1 stop4h 33m
Boston Logan Intl
ons 9/30
9:30 am-11:10 am
Nonstop1h 40m
Washington, D.C.Boston
IAD - BOS
IADBOS
Washington, D.C. Dulles Intl
tis 6/30
5:42 pm-9:55 pm
1 stop4h 13m
Boston Logan Intl
fre 7/3
9:30 am-11:12 am
Nonstop1h 42m
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy1 star | Trust Score*3 stars | |
| 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 Accuracy1 star | Trust Score*3 stars |
To ensure you get the cheapest price possible for a flight from Washington, D.C. Dulles Intl Airport to Boston, you should look to book at least 84 days in advance of your intended travel date. The price of your flight may increase if you delay and leave booking until a week or so before departure.
Currently, January is the cheapest month in which you can book a flight from Washington, D.C. Dulles Intl Airport to Boston (average of $214). Flying from Washington, D.C. Dulles Intl Airport to Boston in May is currently the most expensive (average of $337). 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.
When flying from Washington, D.C. Dulles Intl Airport to Boston, the time of day you fly usually plays a role in the price. Save by searching for a flight in the evening, which can drop the price by up to 32% versus a flight at noon.
Travelers seeking maximum savings on their Washington, D.C. Dulles Intl Airport to Boston flight should consider departing on Friday at noon 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.
About 19% of weekly flights between Washington, D.C. and Boston have experienced delays in the past year, with the average delay time being 124 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, United Airlines have had the lowest number of delays on this route, with just 18% of flights being delayed.
Boarding
Entertainment
Food
Overall
Comfort
Crew
Reviews
Jim,Nov 2025
AVL - ATL
Boarding
Entertainment
Food
Overall
Comfort
Crew
Reviews
Jim,Nov 2025
AVL - ATL
Boarding
Entertainment
Food
Overall
Comfort
Crew
Reviews
Jim,Nov 2025
AVL - ATL
Boarding
Entertainment
Food
Overall
Comfort
Crew
Reviews
Jim,Nov 2025
AVL - ATL
Boarding
Entertainment
Food
Overall
Comfort
Crew
Reviews
Jim,Nov 2025
AVL - ATL
Boarding
Entertainment
Food
Overall
Comfort
Crew
Reviews
Jim,Nov 2025
AVL - ATL
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$64 | Average$182 | FlexibilityNo cancel fee | On-time65% | |
| Cheapest$86 | Average$258 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$121 | Average$237 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$137 | Average$227 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$157 | Average$292 | FlexibilityNo cancel fee | On-time69% |