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
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: Wed Apr 5 2017 Return: Sun Apr 9 2017 Trip spans 5 days
Major Airline
Major Airline
BOS
IAD
1h 42m
nonstop
IAD
BOS
1h 28m
nonstop
Depart: Wed Apr 26 2017 Return: Mon May 1 2017 Trip spans 6 days
JetBlue
JetBlue
JFK
IAD
1h 26m
nonstop
IAD
JFK
1h 34m
nonstop
Depart: Sun Apr 9 2017 Return: Tue Apr 11 2017 Trip spans 3 days
United
United
ATL
IAD
1h 48m
nonstop
IAD
ATL
1h 52m
nonstop
Depart: Thu Apr 27 2017 Return: Sun Apr 30 2017 Trip spans 4 days
American Airlines
American Airlines
MIA
IAD
2h 32m
nonstop
IAD
MIA
2h 46m
nonstop
Depart: Wed Apr 26 2017 Return: Sat Apr 29 2017 Trip spans 4 days
Frontier
Frontier
DEN
IAD
3h 20m
nonstop
IAD
DEN
4h 02m
nonstop
Depart: Thu Apr 13 2017 Return: Sun Apr 16 2017 Trip spans 4 days
Delta
Delta
ATL
IAD
1h 44m
nonstop
IAD
ATL
1h 53m
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: Mon May 1 2017 Return: Sun May 7 2017 Trip spans 7 days
Major Airline
Major Airline
BOS
IAD
1h 42m
nonstop
IAD
BOS
1h 42m
nonstop
Depart: Tue May 2 2017 Return: Thu May 4 2017 Trip spans 3 days
JetBlue
JetBlue
JFK
IAD
1h 26m
nonstop
IAD
JFK
1h 21m
nonstop
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: Thu May 4 2017 Trip spans 2 days
JetBlue
JetBlue
JFK
IAD
1h 27m
nonstop
IAD
JFK
1h 21m
nonstop
Depart: Thu May 18 2017 Return: Sun May 21 2017 Trip spans 4 days
Major Airline
Major Airline
BOS
IAD
1h 37m
nonstop
IAD
BOS
1h 42m
nonstop
Depart: Thu Jun 1 2017 Return: Mon Jun 5 2017 Trip spans 5 days
JetBlue
JetBlue
JFK
IAD
1h 27m
nonstop
IAD
JFK
1h 38m
nonstop
Depart: Tue Apr 18 2017 Return: Mon Apr 24 2017 Trip spans 7 days
United
United
ATL
IAD
1h 45m
nonstop
IAD
ATL
1h 50m
nonstop
Depart: Thu Jun 1 2017 Return: Wed Jun 7 2017 Trip spans 7 days
Major Airline
Major Airline
BOS
IAD
1h 36m
nonstop
IAD
BOS
1h 35m
nonstop
Depart: Wed May 3 2017 Return: Sat May 6 2017 Trip spans 4 days
American Airlines
American Airlines
MIA
IAD
2h 36m
nonstop
IAD
MIA
2h 47m
nonstop
Depart: Thu Sep 21 2017 Return: Mon Sep 25 2017 Trip spans 5 days
JetBlue
JetBlue
JFK
IAD
1h 18m
nonstop
IAD
JFK
1h 14m
nonstop
Depart: Tue May 2 2017 Return: Wed May 3 2017 Trip spans 2 days
United
United
ATL
IAD
1h 54m
nonstop
IAD
ATL
1h 56m
nonstop
Depart: Wed Jun 7 2017 Return: Mon Jun 12 2017 Trip spans 6 days
Major Airline
Major Airline
BOS
IAD
1h 35m
nonstop
IAD
BOS
1h 36m
nonstop
Depart: Thu May 4 2017 Return: Sat May 6 2017 Trip spans 3 days
American Airlines
American Airlines
MIA
IAD
2h 32m
nonstop
IAD
MIA
2h 47m
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
$103
Atlanta
$127
Denver
$137
Miami
$133
Boston
$89
Destination

Washington
$89
Airlines Airline reviews

200 travelers who booked a flight from Boston to Washington rated their chosen airlines with an average of 5.7.

Overall
5.8
Boarding
6.1
Crew
6.8
Comfort
5.4
Food
4.5
Entertainment
4.6