Find Cheap Flights from Washington Dulles Intl to Portugal

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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Book cheap flights from Washington Dulles Intl to Portugal

(Round-trip)
Depart: Sat Oct 21 2017 Return: Fri Oct 27 2017 Trip spans 7 days
British Airways
British Airways
IAD
6:20p
LIS
2:15p
19h 55m
1 stop
LIS
2:50p
IAD
9:20p
30h 30m
1 stop
Depart: Thu Nov 30 2017 Return: Wed Dec 6 2017 Trip spans 7 days
American Airlines
American Airlines
IAD
5:30p
LIS
12:15a
30h 45m
1 stop
LIS
5:40a
IAD
2:55p
33h 15m
1 stop
Depart: Sun Dec 31 2017 Return: Tue Jan 9 2018 Trip spans 10 days
Finnair
Finnair
IAD
5:30p
LIS
11:55a
18h 25m
1 stop
LIS
5:40a
IAD
8:30p
14h 50m
1 stop
Depart: Fri Dec 1 2017 Return: Sun Dec 3 2017 Trip spans 3 days
United
United
IAD
1:30p
LIS
4:55a
15h 25m
1 stop
LIS
7:55a
IAD
8:59p
13h 04m
1 stop
Depart: Fri Nov 24 2017 Return: Mon Nov 27 2017 Trip spans 4 days
Air Canada
Air Canada
IAD
12:05p
LIS
1:15a
37h 10m
2 stops
LIS
1:25a
IAD
7:35a
30h 10m
2 stops
Depart: Sat Jan 13 2018 Return: Tue Jan 23 2018 Trip spans 11 days
Iberia
Iberia
IAD
1:25p
OPO
5:50a
16h 25m
2 stops
OPO
3:05a
IAD
8:30p
17h 25m
2 stops
Depart: Sun Oct 8 2017 Return: Tue Oct 17 2017 Trip spans 10 days
Turkish Airlines
Turkish Airlines
IAD
7:00p
LIS
5:50a
34h 50m
1 stop
LIS
7:30a
IAD
8:10p
36h 40m
1 stop
Depart: Tue Oct 24 2017 Return: Wed Nov 8 2017 Trip spans 16 days
Aer Lingus
Aer Lingus
IAD
1:15p
LIS
1:35a
12h 20m
1 stop
LIS
1:30p
IAD
3:45p
26h 15m
1 stop
Depart: Mon Dec 18 2017 Return: Sun Dec 24 2017 Trip spans 7 days
Aeroflot
Aeroflot
IAD
9:35a
LIS
1:20p
27h 45m
1 stop
LIS
2:45a
IAD
12:35p
33h 50m
1 stop
Depart: Thu Nov 2 2017 Return: Wed Nov 8 2017 Trip spans 7 days
British Airways
British Airways
IAD
7:30p
LIS
9:50a
14h 20m
1 stop
LIS
1:35p
IAD
2:55p
25h 20m
1 stop
Depart: Fri Sep 15 2017 Return: Tue Oct 10 2017 Trip spans 26 days
$1014
Select
SAS
SAS
IAD
1:15p
FAO
9:00a
19h 45m
1 stop
FAO
6:30a
IAD
4:00p
33h 30m
2 stops
Depart: Thu Dec 7 2017 Return: Wed Dec 13 2017 Trip spans 7 days
American Airlines
American Airlines
IAD
5:30p
LIS
7:50a
14h 20m
1 stop
LIS
5:40a
IAD
2:55p
33h 15m
1 stop
Depart: Tue Sep 26 2017 Return: Wed Oct 11 2017 Trip spans 16 days
$1079
Select
Lufthansa
Lufthansa
IAD
6:20p
LIS
1:35a
7h 15m
nonstop
LIS
8:15a
IAD
4:30p
8h 15m
nonstop
Depart: Fri Dec 22 2017 Return: Thu Jan 11 2018 Trip spans 21 days
$1095
Select
Royal Air Maroc
Royal Air Maroc
IAD
4:15p
LIS
12:35a
32h 20m
1 stop
LIS
11:25a
IAD
7:15p
31h 50m
1 stop
Depart: Tue Nov 7 2017 Return: Tue Nov 28 2017 Trip spans 22 days
British Airways
British Airways
IAD
5:30p
LIS
11:55a
18h 25m
1 stop
LIS
2:15a
IAD
8:30p
18h 15m
1 stop
Depart: Thu Aug 31 2017 Return: Mon Sep 4 2017 Trip spans 5 days
$1114
Select
Brussels Airlines
Brussels Airlines
IAD
1:50p
LIS
9:50a
20h 00m
1 stop
LIS
3:45p
IAD
1:55p
22h 10m
1 stop
Depart: Sun Dec 3 2017 Return: Sat Dec 9 2017 Trip spans 7 days
American Airlines
American Airlines
IAD
1:25p
LIS
7:45a
18h 20m
1 stop
LIS
4:45a
IAD
2:50p
34h 05m
2 stops
Depart: Tue Aug 29 2017 Return: Wed Sep 13 2017 Trip spans 16 days
$1128
Select
SWISS
SWISS
IAD
1:30p
OPO
4:40a
15h 10m
1 stop
OPO
3:00a
IAD
4:20p
13h 20m
1 stop
Depart: Tue Dec 19 2017 Return: Wed Dec 20 2017 Trip spans 2 days
$1146
Select
TAP Portugal
TAP Portugal
IAD
7:30a
LIS
8:00p
12h 30m
1 stop
LIS
5:55a
IAD
7:34p
13h 39m
1 stop
Depart: Sat Aug 19 2017 Return: Thu Oct 12 2017 Trip spans 55 days
$1156
Select
KLM
KLM
IAD
12:15p
LIS
1:25a
13h 10m
1 stop
LIS
8:00a
IAD
12:35a
16h 35m
2 stops
* Prices are per person and are for e–tickets and include all taxes & fees in USD.

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Airports
Origin

Washington
$500
Destination

Porto
$652
Lisbon
$500
Faro
$1014