Flights from Boston to Washington DC

Our cheapest offers for flights from Boston to Washington DC

Here you can compare cheap flights from Boston (BOS) to Washington DC (IAD) for one-way or return trips. The following offers were searched for and found on idealo during the last few days. Or start your own flight search to Washington DC. Prices and availability may change at any time.

Outbound Return Airlines Shop Baggage Price
Best option
Boston
Washington DC
Outbound
06/10/25
direct
UA0411
01h 40min
Return
06/29/25
direct
UA0755
01h 30min
United Airlines ?
$187
found yesterday
Boston
Washington DC
Outbound
06/10/25
direct
UA0411
01h 40min
Return
06/29/25
direct
UA0755
01h 30min
United Airlines ?
$188
found yesterday
Boston
Washington DC
Outbound
06/10/25
direct
UA0721
01h 48min
Return
06/29/25
direct
UA0755
01h 30min
United Airlines ?
$193
found yesterday
Boston
Washington DC
Outbound
06/10/25
direct
UA2136
01h 46min
Return
06/29/25
direct
UA0755
01h 30min
United Airlines ?
$227
found yesterday
Boston
Washington DC
Outbound
06/20/25
direct
UA1734
01h 40min
Return
07/19/25
direct
UA0688
01h 34min
United Airlines ?
$244
Boston
Washington DC
Outbound
06/20/25
direct
UA1734
01h 40min
Return
07/19/25
direct
UA1709
01h 40min
United Airlines ?
$248
Boston
Washington DC
Outbound
06/20/25
direct
UA1734
01h 40min
Return
07/19/25
direct
UA0755
01h 30min
United Airlines ?
$282
Boston
Washington DC
Outbound
06/10/25
1 Stopover (MSP)
SY0252, SY0223
24h 09min
Return
06/29/25
1 Stopover (MSP)
SY0224, SY0251
21h 57min
Sun Country Airlines ?
$366
found yesterday
Boston
Washington DC
Outbound
06/10/25
direct
UA2098
01h 35min
Return
06/29/25
direct
UA0755
01h 30min
United Airlines ?
$401
found yesterday
Boston
Washington DC
Outbound
06/20/25
1 Stopover (MSP)
SY0252, SY0223
24h 09min
Return
07/19/25
1 Stopover (MSP)
SY0224, SY0251
21h 57min
Sun Country Airlines ?
$453
Prices based on recent searches, subject to last-minute changes
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Tips and tricks to help you find cheap flights from Boston to Washington DC

Favorite airline: United Airlines
Flight tickets on the route Boston – Washington DC are most frequently booked with United Airlines.
United Airlines
91 %
Porter Airlines
4 %
Sun Country Airlines
2 %
Cheapest weekday: Saturday
On this route flights are cheapest on Saturday when a ticket costs $152.00 on average.
Direct flights are cheaper
Direct flights on this route are $23.00 cheaper on average than flights with a stopover.
non stop flight
1 stop
01h 41min
04h 46min
$ 191
$ 214
The favorite connection is non-stop
Non-stop flights are especially popular on this route. 78 % of travelers will book a direct flight.
Route
bookings
Direct flights
01h 41min, from $ 191
78 %
1 stopover New York - Newark Liberty International Airport, NJ
04h 46min, from $ 214
12 %
1 stopover Toronto - City Centre Airport
05h 07min, from $ 868
6 %

Important flight information

Flight information: Boston - Washington DC

Roundtrip from $ 186,82
Flight duration min. 01:37 / max. 07:50
Return flight duration min. 01:28/ max. 11:24
Distance 664 km
Flights per week 30
Departure airport Airport Boston Logan International Airport, MA (BOS)
Arrival airport Airport Washington DC - Dulles International Airport, DC (IAD)
Destination country Flights to United States
Alternative routes to United States
Alternative flights to Washington DC
Flight destinations with a similar price
Flight destinations with a similar price