Find Deals on Flights from Washington Dulles Intl to Porto (IAD - OPO)

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 Porto

(Round-trip)
Depart: Wed Aug 30 2017 Return: Sun Sep 10 2017 Trip spans 12 days
Turkish Airlines
Turkish Airlines
IAD
7:00p
OPO
2:20a
31h 20m
1 stop
OPO
11:35a
IAD
8:10p
32h 35m
1 stop
Depart: Mon Jun 5 2017 Return: Mon Jun 12 2017 Trip spans 8 days
$1162
Select
Major Airline
Major Airline
IAD
9:40a
OPO
2:10a
16h 30m
1 stop
OPO
3:10a
IAD
4:00p
12h 50m
1 stop
Depart: Tue May 16 2017 Return: Thu May 25 2017 Trip spans 10 days
$1228
Select
American Airlines
American Airlines
IAD
9:50a
OPO
2:45a
16h 55m
2 stops
OPO
4:05a
IAD
8:33p
16h 28m
2 stops
Depart: Tue Apr 18 2017 Return: Mon Apr 24 2017 Trip spans 7 days
$1256
Select
Brussels Airlines
Brussels Airlines
IAD
1:35p
OPO
6:10a
16h 35m
1 stop
OPO
8:55a
IAD
1:55p
29h 00m
1 stop
Depart: Tue Aug 1 2017 Return: Tue Aug 22 2017 Trip spans 22 days
$1298
Select
KLM
KLM
IAD
1:40p
OPO
11:20a
21h 40m
1 stop
OPO
4:55p
IAD
4:35p
23h 40m
1 stop
Depart: Sat Jul 29 2017 Return: Mon Aug 21 2017 Trip spans 24 days
$1300
Select
Royal Air Maroc
Royal Air Maroc
IAD
6:00p
OPO
7:45a
13h 45m
1 stop
OPO
1:45p
IAD
9:15p
31h 30m
1 stop
Depart: Tue Jul 25 2017 Return: Mon Jul 31 2017 Trip spans 7 days
$1303
Select
British Airways
British Airways
IAD
1:15p
OPO
12:45p
23h 30m
2 stops
OPO
6:20p
IAD
9:20p
27h 00m
2 stops
Depart: Fri Apr 14 2017 Return: Thu Apr 27 2017 Trip spans 14 days
$1429
Select
TAP Portugal
TAP Portugal
IAD
1:20p
OPO
11:00p
9h 40m
1 stop
OPO
3:30a
IAD
7:59p
16h 29m
2 stops
Depart: Thu Sep 7 2017 Return: Wed Sep 13 2017 Trip spans 7 days
Turkish Airlines
Turkish Airlines
IAD
7:00p
OPO
5:35a
34h 35m
1 stop
OPO
8:15a
IAD
8:10p
35h 55m
1 stop
Depart: Sat Sep 9 2017 Return: Wed Sep 20 2017 Trip spans 12 days
Turkish Airlines
Turkish Airlines
IAD
7:00p
OPO
5:35a
34h 35m
1 stop
OPO
8:15a
IAD
8:10p
35h 55m
1 stop
Depart: Mon Apr 17 2017 Return: Wed Apr 26 2017 Trip spans 10 days
Turkish Airlines
Turkish Airlines
IAD
7:00p
OPO
2:20a
31h 20m
1 stop
OPO
8:15a
IAD
8:10p
35h 55m
1 stop
Depart: Sun Apr 16 2017 Return: Tue Apr 25 2017 Trip spans 10 days
Turkish Airlines
Turkish Airlines
IAD
7:00p
OPO
2:20a
31h 20m
1 stop
OPO
8:15a
IAD
8:10p
35h 55m
1 stop
Depart: Sat Sep 2 2017 Return: Thu Sep 28 2017 Trip spans 27 days
Turkish Airlines
Turkish Airlines
IAD
7:00p
OPO
5:35a
34h 35m
1 stop
OPO
11:35a
IAD
8:10p
32h 35m
1 stop
Depart: Wed Jul 5 2017 Return: Tue Jul 18 2017 Trip spans 14 days
$1276
Select
American Airlines
American Airlines
IAD
9:36a
OPO
2:45a
17h 09m
2 stops
OPO
4:15a
IAD
10:06p
17h 51m
2 stops
Depart: Sun Jul 30 2017 Return: Sun Aug 20 2017 Trip spans 22 days
$1327
Select
KLM
KLM
IAD
6:00a
OPO
1:30a
19h 30m
2 stops
OPO
5:30p
IAD
4:35p
23h 05m
1 stop
Depart: Thu Aug 24 2017 Return: Tue Sep 5 2017 Trip spans 13 days
Turkish Airlines
Turkish Airlines
IAD
7:00p
OPO
5:35a
34h 35m
1 stop
OPO
8:15a
IAD
8:10p
35h 55m
1 stop
Depart: Wed Jun 21 2017 Return: Wed Jul 5 2017 Trip spans 15 days
$1398
Select
British Airways
British Airways
IAD
1:15p
OPO
4:00a
14h 45m
2 stops
OPO
6:20p
IAD
9:20p
27h 00m
2 stops
Depart: Fri May 5 2017 Return: Sat May 13 2017 Trip spans 9 days
$1284
Select
American Airlines
American Airlines
IAD
4:09p
OPO
2:45a
34h 36m
2 stops
OPO
4:05a
IAD
8:33p
16h 28m
2 stops
Depart: Mon Jul 31 2017 Return: Sun Aug 20 2017 Trip spans 21 days
$1327
Select
KLM
KLM
IAD
6:00a
OPO
1:30a
19h 30m
2 stops
OPO
5:30p
IAD
4:35p
23h 05m
1 stop
Depart: Fri Aug 18 2017 Return: Sun Aug 27 2017 Trip spans 10 days
Turkish Airlines
Turkish Airlines
IAD
7:00p
OPO
5:35a
34h 35m
1 stop
OPO
11:35a
IAD
8:10p
32h 35m
1 stop
* Prices are per person and are for e–tickets and include all taxes & fees in USD.

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Airports
Origin

Washington
$776
Destination

Porto
$776