Find Deals on International Flights from 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 Washington Dulles Intl to worldwide

(Round-trip)
Depart: Wed Nov 29 2017 Return: Sat Dec 2 2017 Trip spans 4 days
Major Airline
Major Airline
IAD
BOS
1h 22m
nonstop
BOS
IAD
1h 48m
nonstop
Depart: Thu Sep 21 2017 Return: Sun Sep 24 2017 Trip spans 4 days
JetBlue
JetBlue
IAD
BOS
3h 53m
1 stop
BOS
IAD
1h 35m
nonstop
Depart: Tue Jul 25 2017 Return: Sat Jul 29 2017 Trip spans 5 days
United
United
IAD
BOS
1h 31m
nonstop
BOS
IAD
1h 32m
nonstop
Depart: Sat Oct 7 2017 Return: Sun Oct 8 2017 Trip spans 2 days
Multiple Airlines
Multiple Airlines
IAD
BOS
1h 30m
nonstop
BOS
IAD
1h 35m
nonstop
Depart: Tue Aug 15 2017 Return: Mon Aug 21 2017 Trip spans 7 days
Major Airline
Major Airline
IAD
BOS
1h 36m
nonstop
BOS
IAD
1h 33m
nonstop
Depart: Thu Aug 31 2017 Return: Sun Sep 3 2017 Trip spans 4 days
Major Airline
Major Airline
IAD
BOS
1h 36m
nonstop
BOS
IAD
1h 39m
nonstop
Depart: Mon Sep 18 2017 Return: Thu Sep 21 2017 Trip spans 4 days
Major Airline
Major Airline
IAD
BOS
1h 38m
nonstop
BOS
IAD
1h 42m
nonstop
Depart: Wed Oct 4 2017 Return: Mon Oct 23 2017 Trip spans 20 days
Major Airline
Major Airline
IAD
BOS
1h 38m
nonstop
BOS
IAD
1h 42m
nonstop
Depart: Tue Jul 18 2017 Return: Wed Jul 19 2017 Trip spans 2 days
Major Airline
Major Airline
IAD
BOS
1h 35m
nonstop
BOS
IAD
1h 41m
nonstop
Depart: Thu Oct 12 2017 Return: Sun Oct 15 2017 Trip spans 4 days
JetBlue
JetBlue
IAD
BOS
4h 48m
1 stop
BOS
IAD
1h 35m
nonstop
Depart: Thu Nov 23 2017 Return: Tue Nov 28 2017 Trip spans 6 days
United
United
IAD
BOS
1h 40m
nonstop
BOS
IAD
1h 41m
nonstop
Depart: Tue Dec 5 2017 Return: Sun Dec 10 2017 Trip spans 6 days
United
United
IAD
BOS
1h 40m
nonstop
BOS
IAD
1h 41m
nonstop
Depart: Tue Jul 18 2017 Return: Sun Jul 23 2017 Trip spans 6 days
Major Airline
Major Airline
IAD
BOS
1h 36m
nonstop
BOS
IAD
1h 41m
nonstop
Depart: Fri Aug 4 2017 Return: Wed Aug 9 2017 Trip spans 6 days
Major Airline
Major Airline
IAD
BOS
1h 36m
nonstop
BOS
IAD
1h 39m
nonstop
Depart: Sun Sep 3 2017 Return: Wed Sep 13 2017 Trip spans 11 days
Icelandair
Icelandair
IAD
AMS
25h 20m
1 stop
AMS
IAD
28h 45m
1 stop
Depart: Fri Sep 1 2017 Return: Sun Sep 3 2017 Trip spans 3 days
United
United
IAD
BOS
1h 36m
nonstop
BOS
IAD
1h 38m
nonstop
Depart: Fri Jul 28 2017 Return: Sun Jul 30 2017 Trip spans 3 days
Major Airline
Major Airline
IAD
BOS
1h 36m
nonstop
BOS
IAD
1h 36m
nonstop
Depart: Sun Aug 13 2017 Return: Thu Aug 24 2017 Trip spans 12 days
Lufthansa
Lufthansa
IAD
AMS
7h 55m
nonstop
AMS
IAD
8h 35m
nonstop
Depart: Mon Aug 21 2017 Return: Wed Aug 30 2017 Trip spans 10 days
KLM
KLM
IAD
AMS
7h 35m
nonstop
AMS
IAD
8h 15m
nonstop
Depart: Tue Aug 8 2017 Return: Tue Aug 29 2017 Trip spans 22 days
Air Canada
Air Canada
IAD
CDG
16h 30m
1 stop
CDG
IAD
26h 50m
1 stop
* Prices are per person and are for e–tickets and include all taxes & fees in USD.

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We’re not the seller.
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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Our service lets you quickly and easily compare results from hundreds of travel sites at once. In this sense, KAYAK is a search engine and we can't guarantee prices we find.

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

Washington
$97
Destination

Amsterdam
$449
Paris
$557
Boston
$97