Find Cheap Flights to Washington

Depart
Return
1 adult
Adults
18-64
Seniors
65+
Youths
12-17
Children
2-11
Seat Infants
under 2
Lap Infants
under 2
The price shown for each flight will be the average for all passengers including any infants.
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Book cheap flights to Washington

(Round-trip)
Depart: Wed Oct 25 2017 Return: Tue Oct 31 2017 Trip spans 7 days
JetBlue
JetBlue
BOS
IAD
1h 34m
nonstop
IAD
BOS
1h 30m
nonstop
Depart: Sat Oct 28 2017 Return: Mon Oct 30 2017 Trip spans 3 days
Multiple Airlines
Multiple Airlines
BOS
IAD
1h 34m
nonstop
IAD
BOS
1h 27m
nonstop
Depart: Thu Nov 9 2017 Return: Tue Nov 14 2017 Trip spans 6 days
United
United
BOS
IAD
1h 41m
nonstop
IAD
BOS
1h 28m
nonstop
Depart: Thu Oct 26 2017 Return: Sat Oct 28 2017 Trip spans 3 days
Frontier
Frontier
HOU
IAD
22h 32m
1 stop
IAD
HOU
16h 41m
1 stop
Depart: Thu Oct 26 2017 Return: Wed Nov 1 2017 Trip spans 7 days
JetBlue
JetBlue
BOS
IAD
1h 35m
nonstop
IAD
BOS
1h 23m
nonstop
Depart: Tue Nov 7 2017 Return: Sat Nov 11 2017 Trip spans 5 days
Multiple Airlines
Multiple Airlines
BOS
IAD
1h 47m
nonstop
IAD
BOS
1h 32m
nonstop
Depart: Sat Nov 11 2017 Return: Tue Nov 14 2017 Trip spans 4 days
United
United
BOS
IAD
1h 41m
nonstop
IAD
BOS
1h 32m
nonstop
Depart: Tue Oct 24 2017 Return: Tue Oct 31 2017 Trip spans 8 days
Frontier
Frontier
ORD
IAD
21h 47m
1 stop
IAD
ORD
21h 49m
1 stop
Depart: Tue Oct 31 2017 Return: Sat Nov 4 2017 Trip spans 5 days
JetBlue
JetBlue
BOS
IAD
1h 47m
nonstop
IAD
BOS
1h 30m
nonstop
Depart: Wed Nov 8 2017 Return: Thu Nov 9 2017 Trip spans 2 days
Multiple Airlines
Multiple Airlines
BOS
IAD
1h 41m
nonstop
IAD
BOS
1h 28m
nonstop
Depart: Sat Dec 2 2017 Return: Tue Dec 12 2017 Trip spans 11 days
United
United
BOS
IAD
1h 41m
nonstop
IAD
BOS
1h 32m
nonstop
Depart: Wed Oct 25 2017 Return: Fri Oct 27 2017 Trip spans 3 days
Frontier
Frontier
SFO
IAD
15h 42m
1 stop
IAD
SFO
16h 55m
1 stop
Depart: Wed Nov 1 2017 Return: Wed Nov 8 2017 Trip spans 8 days
JetBlue
JetBlue
BOS
IAD
1h 47m
nonstop
IAD
BOS
1h 23m
nonstop
Depart: Mon Nov 13 2017 Return: Thu Nov 16 2017 Trip spans 4 days
Multiple Airlines
Multiple Airlines
BOS
IAD
1h 47m
nonstop
IAD
BOS
1h 32m
nonstop
Depart: Mon Nov 6 2017 Return: Fri Nov 10 2017 Trip spans 5 days
United
United
BOS
IAD
1h 40m
nonstop
IAD
BOS
1h 28m
nonstop
Depart: Thu Nov 2 2017 Return: Tue Nov 7 2017 Trip spans 6 days
JetBlue
JetBlue
BOS
IAD
1h 41m
nonstop
IAD
BOS
1h 23m
nonstop
Depart: Wed Dec 13 2017 Return: Mon Dec 18 2017 Trip spans 6 days
Multiple Airlines
Multiple Airlines
BOS
IAD
1h 39m
nonstop
IAD
BOS
1h 24m
nonstop
Depart: Wed Oct 25 2017 Return: Fri Oct 27 2017 Trip spans 3 days
Frontier
Frontier
SFO
IAD
15h 42m
1 stop
IAD
SFO
16h 55m
1 stop
Depart: Sat Nov 18 2017 Return: Sun Nov 19 2017 Trip spans 2 days
United
United
BOS
IAD
1h 39m
nonstop
IAD
BOS
1h 28m
nonstop
Depart: Sat Nov 4 2017 Return: Tue Nov 7 2017 Trip spans 4 days
JetBlue
JetBlue
BOS
IAD
1h 47m
nonstop
IAD
BOS
1h 27m
nonstop
* Prices are per person and are for e–tickets and include all taxes & fees in USD.

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At KAYAK we don’t set the prices, so it’s not possible for us to guarantee what other companies are selling.

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Why aren’t prices accurate 100% of the time?
Prices on airline seats, hotel rooms and car rentals can change frequently. Several people may also be trying to buy the same travel option simultaneously. As a result, you may find, on occasion, that certain prices are no longer available.

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Airports
Origin

San Francisco
$172
Chicago
$172
Houston
$162
Boston
$157
Destination

Washington
$157
Airlines Airline reviews

79 travelers who booked a flight from Boston to Washington rated their chosen airlines with an average of 7.4.

Overall
7.6
Boarding
7.5
Crew
8.0
Comfort
7.4
Food
6.9
Entertainment
7.0