Find Deals on International 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 from worldwide to Washington Dulles Intl

(Round-trip)
Depart: Fri May 19 2017 Return: Tue May 23 2017 Trip spans 5 days
Major Airline
Major Airline
BOS
IAD
1h 37m
nonstop
IAD
BOS
1h 32m
nonstop
Depart: Tue May 16 2017 Return: Wed May 17 2017 Trip spans 2 days
United
United
ATL
IAD
1h 49m
nonstop
IAD
ATL
1h 57m
nonstop
Depart: Wed May 31 2017 Return: Wed Jun 7 2017 Trip spans 8 days
JetBlue
JetBlue
JFK
IAD
1h 20m
nonstop
IAD
JFK
1h 21m
nonstop
Depart: Fri Jun 2 2017 Return: Tue Jun 6 2017 Trip spans 5 days
Delta
Delta
ATL
IAD
1h 41m
nonstop
IAD
ATL
1h 56m
nonstop
Depart: Wed May 31 2017 Return: Tue Jun 6 2017 Trip spans 7 days
Major Airline
Major Airline
BOS
IAD
1h 44m
nonstop
IAD
BOS
1h 42m
nonstop
Depart: Thu Jun 1 2017 Return: Mon Jun 5 2017 Trip spans 5 days
Frontier
Frontier
DEN
IAD
3h 20m
nonstop
IAD
DEN
3h 54m
nonstop
Depart: Tue Jun 6 2017 Return: Thu Jun 8 2017 Trip spans 3 days
American Airlines
American Airlines
DFW
IAD
2h 58m
nonstop
IAD
DFW
3h 09m
nonstop
Depart: Thu Aug 24 2017 Return: Tue Sep 5 2017 Trip spans 13 days
Major Airline
Major Airline
BOS
IAD
1h 35m
nonstop
IAD
BOS
1h 29m
nonstop
Depart: Wed May 17 2017 Return: Sat May 20 2017 Trip spans 4 days
United
United
DFW
IAD
2h 57m
nonstop
IAD
DFW
3h 21m
nonstop
Depart: Tue Jun 20 2017 Return: Thu Jul 6 2017 Trip spans 17 days
Major Airline
Major Airline
BOS
IAD
1h 44m
nonstop
IAD
BOS
1h 36m
nonstop
Depart: Tue Aug 22 2017 Return: Thu Aug 24 2017 Trip spans 3 days
JetBlue
JetBlue
JFK
IAD
1h 25m
nonstop
IAD
JFK
1h 30m
nonstop
Depart: Mon Aug 21 2017 Return: Mon Aug 28 2017 Trip spans 8 days
Major Airline
Major Airline
BOS
IAD
1h 35m
nonstop
IAD
BOS
1h 29m
nonstop
Depart: Mon Aug 28 2017 Return: Wed Sep 6 2017 Trip spans 10 days
JetBlue
JetBlue
JFK
IAD
1h 31m
nonstop
IAD
JFK
1h 31m
nonstop
Depart: Mon Aug 14 2017 Return: Wed Aug 23 2017 Trip spans 10 days
United
United
DFW
IAD
3h 03m
nonstop
IAD
DFW
3h 19m
nonstop
Depart: Wed Aug 23 2017 Return: Wed Aug 30 2017 Trip spans 8 days
Virgin America
Virgin America
LAX
IAD
5h 01m
nonstop
IAD
LAX
5h 30m
nonstop
Depart: Wed Sep 13 2017 Return: Mon Sep 25 2017 Trip spans 13 days
Major Airline
Major Airline
BOS
IAD
1h 36m
nonstop
IAD
BOS
1h 34m
nonstop
Depart: Fri Sep 1 2017 Return: Sun Sep 3 2017 Trip spans 3 days
JetBlue
JetBlue
JFK
IAD
1h 25m
nonstop
IAD
JFK
1h 12m
nonstop
Depart: Wed Aug 23 2017 Return: Tue Aug 29 2017 Trip spans 7 days
United
United
DFW
IAD
3h 09m
nonstop
IAD
DFW
3h 19m
nonstop
Depart: Mon Jun 5 2017 Return: Mon Jun 12 2017 Trip spans 8 days
Delta
Delta
ATL
IAD
1h 48m
nonstop
IAD
ATL
2h 12m
nonstop
Depart: Wed May 31 2017 Return: Tue Jun 6 2017 Trip spans 7 days
Major Airline
Major Airline
MSP
IAD
14h 24m
nonstop
IAD
MSP
15h 22m
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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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

New York
$133
Minneapolis
$110
Atlanta
$127
Los Angeles
$296
Denver
$207
Dallas
$129
Boston
$93
Destination

Washington
$93
Airlines Airline reviews

365 travelers who booked a flight from Boston to Washington rated their chosen airlines with an average of 6.7.

Overall
6.9
Boarding
7.1
Crew
7.4
Comfort
6.4
Food
5.5
Entertainment
5.9