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
Boston
Washington DC
Outbound
04/03/26
1 Stopover (EWR)
UA1693, UA1784
04h 55min
Return
04/16/26
1 Stopover (EWR)
UA2396, UA2603
04h 54min
United Airlines ?
$253
Best option
Boston
Washington DC
Outbound
09/19/26
direct
UA1734
01h 34min
Return
09/22/26
direct
UA1392
01h 40min
United Airlines ?
$827
Boston
Washington DC
Outbound
04/03/26
1 Stopover (EWR)
UA1693, UA1784
04h 55min
Return
04/16/26
1 Stopover (EWR)
UA2396, UA1354
05h 59min
United Airlines ?
$303
Boston
Washington DC
Outbound
02/13/26
1 Stopover (EWR)
UA0570, UA1992
09h 12min
Return
02/26/26
1 Stopover (EWR)
UA1999, UA2603
04h 58min
United Airlines ?
$332
Boston
Washington DC
Outbound
02/13/26
1 Stopover (EWR)
UA0570, UA2212
13h 26min
Return
02/26/26
1 Stopover (EWR)
UA1999, UA2603
04h 58min
United Airlines ?
$334
Boston
Washington DC
Outbound
04/03/26
1 Stopover (ATL)
F93085, F91082
12h 43min
Return
04/16/26
1 Stopover (SRQ)
G43005, G41355
22h 00min
Frontier Airlines ?
$393
Boston
Washington DC
Outbound
02/13/26
1 Stopover (ATL)
F93085, F91082
10h 32min
Return
02/26/26
1 Stopover (ATL)
F91081, F93086
07h 44min
Frontier Airlines ?
$493
Boston
Washington DC
Outbound
02/13/26
1 Stopover (ATL)
F93085, F91082
10h 32min
Return
02/26/26
1 Stopover (MCO)
F92859, F93348
18h 34min
Frontier Airlines
$503
Boston
Washington DC
Outbound
04/03/26
1 Stopover (CLT)
AA1004, AA5543
04h 47min
Return
04/16/26
1 Stopover (CLT)
AA5316, AA1892
04h 11min
American Airlines ?
$608
Boston
Washington DC
Outbound
02/13/26
1 Stopover (CLT)
AA2490, AA5447
04h 28min
Return
02/26/26
1 Stopover (CLT)
AA5649, AA2490
04h 10min
American Airlines ?
$691
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 $252.10
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