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: Sun Nov 19 2017 Return: Thu Nov 23 2017 Trip spans 5 days
United
United
IAD
LAS
5h 17m
nonstop
LAS
IAD
4h 26m
nonstop
Depart: Thu Sep 14 2017 Return: Wed Sep 20 2017 Trip spans 7 days
JetBlue
JetBlue
IAD
BOS
4h 48m
1 stop
BOS
IAD
5h 26m
1 stop
Depart: Thu Oct 12 2017 Return: Tue Oct 17 2017 Trip spans 6 days
Frontier
Frontier
IAD
DEN
3h 58m
nonstop
DEN
IAD
3h 22m
nonstop
Depart: Sat Sep 30 2017 Return: Tue Oct 3 2017 Trip spans 4 days
Virgin America
Virgin America
IAD
LAX
5h 29m
nonstop
LAX
IAD
4h 58m
nonstop
Depart: Sat Dec 2 2017 Return: Thu Dec 7 2017 Trip spans 6 days
American Airlines
American Airlines
IAD
LAX
6h 11m
nonstop
LAX
IAD
4h 54m
nonstop
Depart: Tue Dec 5 2017 Return: Sat Dec 9 2017 Trip spans 5 days
United
United
IAD
LAS
5h 17m
nonstop
LAS
IAD
4h 32m
nonstop
Depart: Wed Nov 1 2017 Return: Fri Nov 3 2017 Trip spans 3 days
JetBlue
JetBlue
IAD
BOS
6h 10m
1 stop
BOS
IAD
3h 36m
1 stop
Depart: Thu Jan 25 2018 Return: Sat Feb 3 2018 Trip spans 10 days
Delta
Delta
IAD
SEA
7h 38m
1 stop
SEA
IAD
8h 02m
1 stop
Depart: Thu Jan 18 2018 Return: Tue Jan 23 2018 Trip spans 6 days
United
United
IAD
LAS
5h 17m
nonstop
LAS
IAD
4h 32m
nonstop
Depart: Sat Aug 26 2017 Return: Sat Sep 2 2017 Trip spans 8 days
Frontier
Frontier
IAD
DEN
4h 01m
nonstop
DEN
IAD
3h 18m
nonstop
Depart: Wed Dec 6 2017 Return: Wed Dec 13 2017 Trip spans 8 days
JetBlue
JetBlue
IAD
BOS
3h 21m
1 stop
BOS
IAD
3h 06m
1 stop
Depart: Sat Sep 16 2017 Return: Mon Sep 18 2017 Trip spans 3 days
Frontier
Frontier
IAD
DEN
3h 58m
nonstop
DEN
IAD
3h 22m
nonstop
Depart: Tue Oct 10 2017 Return: Wed Oct 11 2017 Trip spans 2 days
JetBlue
JetBlue
IAD
BOS
1h 32m
nonstop
BOS
IAD
1h 34m
nonstop
Depart: Wed Nov 1 2017 Return: Wed Nov 8 2017 Trip spans 8 days
United
United
IAD
DEN
4h 01m
nonstop
DEN
IAD
3h 16m
nonstop
Depart: Wed Nov 1 2017 Return: Sat Nov 11 2017 Trip spans 11 days
Virgin America
Virgin America
IAD
LAX
5h 38m
nonstop
LAX
IAD
4h 48m
nonstop
Depart: Tue Jan 16 2018 Return: Tue Jan 23 2018 Trip spans 8 days
American Airlines
American Airlines
IAD
LAX
5h 42m
nonstop
LAX
IAD
5h 01m
nonstop
Depart: Sat Dec 2 2017 Return: Tue Dec 12 2017 Trip spans 11 days
Icelandair
Icelandair
IAD
MUC
10h 30m
1 stop
MUC
IAD
11h 20m
1 stop
Depart: Wed Nov 1 2017 Return: Sun Nov 5 2017 Trip spans 5 days
JetBlue
JetBlue
IAD
BOS
6h 10m
1 stop
BOS
IAD
1h 41m
nonstop
Depart: Wed Sep 6 2017 Return: Sat Sep 9 2017 Trip spans 4 days
Frontier
Frontier
IAD
SAN
6h 53m
1 stop
SAN
IAD
6h 20m
1 stop
Depart: Thu Jan 25 2018 Return: Sun Jan 28 2018 Trip spans 4 days
United
United
IAD
BOS
1h 31m
nonstop
BOS
IAD
1h 35m
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,
please send us an email and someone from our team will get back to you promptly.

Airports
Origin

Washington
$159
Destination

Munich
$447
San Diego
$189
Seattle
$344
Los Angeles
$217
Denver
$167
Las Vegas
$159
Boston
$163