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: Fri May 12 2017 Return: Mon May 15 2017 Trip spans 4 days
Major Airline
Major Airline
IAD
BOS
1h 42m
nonstop
BOS
IAD
1h 37m
nonstop
Depart: Sun Apr 30 2017 Return: Thu May 11 2017 Trip spans 12 days
American Airlines
American Airlines
IAD
MIA
2h 43m
nonstop
MIA
IAD
2h 36m
nonstop
Depart: Mon Jun 5 2017 Return: Tue Jun 6 2017 Trip spans 2 days
JetBlue
JetBlue
IAD
BOS
1h 36m
nonstop
BOS
IAD
1h 35m
nonstop
Depart: Fri Apr 28 2017 Return: Mon May 1 2017 Trip spans 4 days
United
United
IAD
BOS
1h 32m
nonstop
BOS
IAD
1h 38m
nonstop
Depart: Mon Jul 10 2017 Return: Thu Jul 13 2017 Trip spans 4 days
Major Airline
Major Airline
IAD
BOS
1h 36m
nonstop
BOS
IAD
1h 35m
nonstop
Depart: Tue Jul 18 2017 Return: Tue Jul 25 2017 Trip spans 8 days
Frontier
Frontier
IAD
LAS
5h 11m
nonstop
LAS
IAD
4h 37m
nonstop
Depart: Fri Apr 28 2017 Return: Sun Apr 30 2017 Trip spans 3 days
Major Airline
Major Airline
IAD
BOS
1h 29m
nonstop
BOS
IAD
1h 37m
nonstop
Depart: Sun Apr 23 2017 Return: Thu Apr 27 2017 Trip spans 5 days
Aeromexico
Aeromexico
IAD
CUN
11h 23m
1 stop
CUN
IAD
13h 39m
1 stop
Depart: Mon May 1 2017 Return: Wed May 3 2017 Trip spans 3 days
American Airlines
American Airlines
IAD
MIA
2h 47m
nonstop
MIA
IAD
2h 36m
nonstop
Depart: Mon May 15 2017 Return: Tue May 16 2017 Trip spans 2 days
Major Airline
Major Airline
IAD
BOS
14h 25m
1 stop
BOS
IAD
15h 24m
1 stop
Depart: Tue Jun 13 2017 Return: Tue Jun 20 2017 Trip spans 8 days
American Airlines
American Airlines
IAD
MIA
2h 50m
nonstop
MIA
IAD
2h 33m
nonstop
Depart: Thu Sep 7 2017 Return: Sun Sep 10 2017 Trip spans 4 days
Delta
Delta
IAD
MIA
6h 06m
1 stop
MIA
IAD
6h 16m
1 stop
Depart: Sat Apr 1 2017 Return: Sat Apr 8 2017 Trip spans 8 days
Major Airline
Major Airline
IAD
BOS
1h 29m
nonstop
BOS
IAD
1h 42m
nonstop
Depart: Tue Jun 20 2017 Return: Wed Jun 21 2017 Trip spans 2 days
JetBlue
JetBlue
IAD
BOS
1h 36m
nonstop
BOS
IAD
1h 34m
nonstop
Depart: Tue Jul 4 2017 Return: Wed Jul 5 2017 Trip spans 2 days
American Airlines
American Airlines
IAD
MIA
2h 50m
nonstop
MIA
IAD
2h 32m
nonstop
Depart: Fri Jun 2 2017 Return: Wed Jun 7 2017 Trip spans 6 days
Virgin America
Virgin America
IAD
LAX
5h 26m
nonstop
LAX
IAD
5h 01m
nonstop
Depart: Fri Apr 7 2017 Return: Sun Apr 9 2017 Trip spans 3 days
Major Airline
Major Airline
IAD
BOS
1h 28m
nonstop
BOS
IAD
1h 37m
nonstop
Depart: Thu Aug 31 2017 Return: Mon Sep 4 2017 Trip spans 5 days
JetBlue
JetBlue
IAD
BOS
1h 29m
nonstop
BOS
IAD
1h 34m
nonstop
Depart: Tue Apr 11 2017 Return: Thu May 4 2017 Trip spans 24 days
Icelandair
Icelandair
IAD
KEF
5h 45m
nonstop
KEF
IAD
6h 20m
nonstop
Depart: Mon Aug 28 2017 Return: Wed Sep 6 2017 Trip spans 10 days
American Airlines
American Airlines
IAD
MIA
2h 47m
nonstop
MIA
IAD
2h 32m
nonstop
* Prices are per person and are for e–tickets and include all taxes & fees in USD.

We attempt to get accurate prices, however, prices are not guaranteed.

Here's why:

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.

If you have more questions or if you have a bad price to report to us,
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Airports
Origin

Washington
$89
Destination

Reykjavik
$347
Cancun
$254
Los Angeles
$337
Las Vegas
$233
Miami
$133
Boston
$89