Find Cheap Flights to Washington Dulles Intl

Depart
Return
1 adult
Adults
18-64
Seniors
65+
Youths
12-17
Children
2-11
Seat Infants
under 2
Lap Infants
under 2
Students
under 26
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 Dulles Intl

(Round-trip)
Depart: Mon Feb 27 2017 Return: Tue Feb 28 2017 Trip spans 2 days
Major Airline
Major Airline
BOS
IAD
1h 52m
nonstop
IAD
BOS
1h 26m
nonstop
Depart: Wed Feb 8 2017 Return: Thu Feb 9 2017 Trip spans 2 days
JetBlue
JetBlue
BOS
IAD
1h 44m
nonstop
IAD
BOS
1h 26m
nonstop
Depart: Tue Jan 31 2017 Return: Fri Feb 3 2017 Trip spans 4 days
United
United
ATL
IAD
1h 49m
nonstop
IAD
ATL
1h 55m
nonstop
Depart: Wed Feb 15 2017 Return: Tue Mar 21 2017 Trip spans 34 days
American Airlines
American Airlines
MIA
IAD
2h 35m
nonstop
IAD
MIA
3h 10m
nonstop
Depart: Thu Apr 6 2017 Return: Mon Apr 10 2017 Trip spans 5 days
Delta
Delta
ATL
IAD
1h 48m
nonstop
IAD
ATL
2h 11m
nonstop
Depart: Wed Mar 8 2017 Return: Thu Mar 16 2017 Trip spans 8 days
Major Airline
Major Airline
BOS
IAD
1h 44m
nonstop
IAD
BOS
1h 28m
nonstop
Depart: Sat Feb 11 2017 Return: Sun Feb 12 2017 Trip spans 2 days
JetBlue
JetBlue
JFK
IAD
1h 19m
nonstop
IAD
JFK
1h 15m
nonstop
Depart: Thu Mar 9 2017 Return: Mon Mar 13 2017 Trip spans 4 days
Major Airline
Major Airline
BOS
IAD
1h 44m
nonstop
IAD
BOS
1h 29m
nonstop
Depart: Wed Mar 15 2017 Return: Tue May 9 2017 Trip spans 56 days
JetBlue
JetBlue
JFK
IAD
1h 26m
nonstop
IAD
JFK
1h 21m
nonstop
Depart: Sun Mar 12 2017 Return: Wed Mar 15 2017 Trip spans 3 days
Major Airline
Major Airline
BOS
IAD
1h 42m
nonstop
IAD
BOS
1h 29m
nonstop
Depart: Thu Apr 6 2017 Return: Sun Apr 9 2017 Trip spans 4 days
JetBlue
JetBlue
JFK
IAD
1h 30m
nonstop
IAD
JFK
1h 18m
nonstop
Depart: Tue Mar 14 2017 Return: Thu Mar 16 2017 Trip spans 3 days
Major Airline
Major Airline
BOS
IAD
1h 44m
nonstop
IAD
BOS
1h 29m
nonstop
Depart: Wed Apr 26 2017 Return: Wed May 3 2017 Trip spans 8 days
Frontier
Frontier
DEN
IAD
3h 30m
nonstop
IAD
DEN
4h 05m
nonstop
Depart: Tue Mar 21 2017 Return: Mon Mar 27 2017 Trip spans 7 days
Major Airline
Major Airline
BOS
IAD
1h 42m
nonstop
IAD
BOS
1h 28m
nonstop
Depart: Tue Feb 14 2017 Return: Wed Feb 15 2017 Trip spans 2 days
JetBlue
JetBlue
JFK
IAD
1h 19m
nonstop
IAD
JFK
1h 16m
nonstop
Depart: Wed Feb 1 2017 Return: Sun Feb 5 2017 Trip spans 5 days
United
United
ATL
IAD
1h 47m
nonstop
IAD
ATL
1h 55m
nonstop
Depart: Sat Jan 28 2017 Return: Tue Jan 31 2017 Trip spans 4 days
Alaska Airlines
Alaska Airlines
LAX
IAD
4h 40m
nonstop
IAD
LAX
5h 44m
nonstop
Depart: Sat Mar 25 2017 Return: Mon Mar 27 2017 Trip spans 3 days
Major Airline
Major Airline
BOS
IAD
1h 37m
nonstop
IAD
BOS
1h 29m
nonstop
Depart: Wed Mar 1 2017 Return: Mon Mar 6 2017 Trip spans 6 days
American Airlines
American Airlines
MIA
IAD
2h 29m
nonstop
IAD
MIA
3h 10m
nonstop
Depart: Wed Feb 15 2017 Return: Thu Feb 16 2017 Trip spans 2 days
JetBlue
JetBlue
JFK
IAD
1h 17m
nonstop
IAD
JFK
1h 15m
nonstop
* Prices are per person and are for e–tickets and include all taxes & fees in USD.

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Here's why:

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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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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

New York
$87
Atlanta
$125
Los Angeles
$260
Denver
$217
Miami
$133
Boston
$75
Destination

Washington
$75
Airlines Airline reviews

171 travelers who booked a flight from Boston to Washington rated their chosen airlines with an average of 5.3.

Overall
5.4
Boarding
5.8
Crew
6.5
Comfort
5.0
Food
4.0
Entertainment
4.0