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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Dates flexible? Here are the best fares found in the past 48 hours...

Book cheap flights to Washington

(Round-trip)
Depart: Thu Apr 6 2017 Return: Mon Apr 10 2017 Trip spans 5 days
Major Airline
Major Airline
BOS
DCA
1h 40m
nonstop
DCA
BOS
1h 29m
nonstop
Depart: Tue Apr 25 2017 Return: Wed Apr 26 2017 Trip spans 2 days
Virgin America
Virgin America
DAL
DCA
2h 45m
nonstop
DCA
DAL
3h 15m
nonstop
Depart: Wed Apr 26 2017 Return: Tue May 2 2017 Trip spans 7 days
American Airlines
American Airlines
DFW
DCA
2h 53m
nonstop
DCA
DFW
3h 28m
nonstop
Depart: Wed May 3 2017 Return: Tue May 9 2017 Trip spans 7 days
United
United
DFW
IAD
2h 59m
nonstop
IAD
DFW
3h 37m
nonstop
Depart: Sat Jun 3 2017 Return: Tue Jun 6 2017 Trip spans 4 days
JetBlue
JetBlue
BOS
IAD
1h 35m
nonstop
IAD
BOS
1h 36m
nonstop
Depart: Tue Aug 1 2017 Return: Tue Aug 8 2017 Trip spans 8 days
Delta
Delta
ORD
DCA
5h 26m
1 stop
DCA
ORD
4h 20m
1 stop
Depart: Fri Apr 7 2017 Return: Mon Apr 10 2017 Trip spans 4 days
Major Airline
Major Airline
BOS
DCA
1h 36m
nonstop
DCA
BOS
1h 29m
nonstop
Depart: Sat Apr 8 2017 Return: Tue Apr 11 2017 Trip spans 4 days
Major Airline
Major Airline
BOS
IAD
1h 44m
nonstop
IAD
BOS
1h 29m
nonstop
Depart: Wed Apr 19 2017 Return: Sat May 20 2017 Trip spans 32 days
Major Airline
Major Airline
BOS
DCA
1h 36m
2 stops
DCA
BOS
1h 30m
2 stops
Depart: Sat Apr 29 2017 Return: Wed May 3 2017 Trip spans 5 days
Major Airline
Major Airline
BOS
IAD
1h 42m
nonstop
IAD
BOS
1h 32m
nonstop
Depart: Thu Aug 17 2017 Return: Mon Aug 21 2017 Trip spans 5 days
Sun Country Air
Sun Country Air
MSP
DCA
2h 20m
nonstop
DCA
MSP
2h 38m
nonstop
Depart: Tue Apr 25 2017 Return: Fri Apr 28 2017 Trip spans 4 days
Frontier
Frontier
SFO
DCA
9h 24m
1 stop
DCA
SFO
9h 55m
1 stop
Depart: Wed May 3 2017 Return: Sun May 7 2017 Trip spans 5 days
Major Airline
Major Airline
BOS
IAD
1h 37m
nonstop
IAD
BOS
1h 32m
nonstop
Depart: Wed May 3 2017 Return: Tue May 9 2017 Trip spans 7 days
Virgin America
Virgin America
DAL
DCA
2h 46m
nonstop
DCA
DAL
3h 26m
nonstop
Depart: Tue May 9 2017 Return: Wed May 10 2017 Trip spans 2 days
United
United
DFW
IAD
2h 57m
nonstop
IAD
DFW
3h 21m
nonstop
Depart: Tue Apr 25 2017 Return: Tue May 2 2017 Trip spans 8 days
American Airlines
American Airlines
DFW
IAD
2h 53m
nonstop
IAD
DFW
3h 28m
nonstop
Depart: Wed May 3 2017 Return: Mon May 8 2017 Trip spans 6 days
Major Airline
Major Airline
BOS
DCA
1h 37m
2 stops
DCA
BOS
1h 34m
2 stops
Depart: Wed May 3 2017 Return: Tue May 9 2017 Trip spans 7 days
Virgin America
Virgin America
DFW
DCA
2h 46m
nonstop
DCA
DFW
3h 26m
nonstop
Depart: Tue Jun 20 2017 Return: Tue Jun 27 2017 Trip spans 8 days
United
United
DFW
IAD
3h 03m
nonstop
IAD
DFW
3h 13m
nonstop
Depart: Thu May 4 2017 Return: Mon May 8 2017 Trip spans 5 days
JetBlue
JetBlue
BOS
IAD
1h 37m
nonstop
IAD
BOS
1h 42m
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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^ The fares displayed in KAYAK ads found on other sites include all taxes and fees for economy class travel and were found by KAYAK users in the last 72 hours. Seats are limited and may not be available on all flights and days. Fares are subject to change and may not be available on all flights or dates of travel. Some carriers charge additional fees for extra checked bags. Please check the carriers' sites.
Airports
Origin

San Francisco
$260
Minneapolis
$247
Chicago
$176
Dallas
only $139
only $139
Boston
$89
Destination

Washington
only $89
only $89
Airlines Airline reviews

526 travelers who booked a flight from Boston to Washington rated their chosen airlines with an average of 8.5.

Overall
8.7
Boarding
8.7
Crew
8.9
Comfort
8.5
Food
7.4
Entertainment
7.6