Find Cheap 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: Sun Aug 27 2017 Return: Wed Sep 13 2017 Trip spans 18 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: Tue Jul 25 2017 Return: Tue Aug 29 2017 Trip spans 36 days
$1175
Select
TAP Portugal
TAP Portugal
IAD
4:18a
OPO
5:00a
24h 42m
2 stops
OPO
1:30p
IAD
7:08p
29h 38m
2 stops
Depart: Mon Jun 26 2017 Return: Mon Aug 21 2017 Trip spans 57 days
$1311
Select
Major Airline
Major Airline
IAD
9:40a
OPO
12:25a
14h 45m
3 stops
OPO
3:10a
IAD
4:00p
12h 50m
3 stops
Depart: Mon Jun 5 2017 Return: Tue Jun 13 2017 Trip spans 9 days
$1318
Select
SWISS
SWISS
IAD
1:40p
OPO
3:50a
14h 10m
1 stop
OPO
10:05a
IAD
4:20p
30h 15m
1 stop
Depart: Tue Aug 1 2017 Return: Thu Aug 24 2017 Trip spans 24 days
$1354
Select
Lufthansa
Lufthansa
IAD
2:05p
OPO
6:10a
16h 05m
1 stop
OPO
2:00a
IAD
4:55p
14h 55m
1 stop
Depart: Tue Jun 27 2017 Return: Wed Aug 23 2017 Trip spans 58 days
$1387
Select
Brussels Airlines
Brussels Airlines
IAD
1:40p
OPO
3:20a
13h 40m
1 stop
OPO
9:05a
IAD
1:55p
28h 50m
1 stop
Depart: Sun Jul 23 2017 Return: Tue Aug 22 2017 Trip spans 31 days
$1404
Select
KLM
KLM
IAD
1:40p
OPO
1:30a
11h 50m
1 stop
OPO
4:55p
IAD
4:37p
23h 42m
2 stops
Depart: Tue Jul 4 2017 Return: Mon Jul 10 2017 Trip spans 7 days
$1420
Select
British Airways
British Airways
IAD
6:20p
OPO
12:45p
18h 25m
2 stops
OPO
6:20p
IAD
9:20p
27h 00m
2 stops
Depart: Wed Jul 5 2017 Return: Mon Jul 10 2017 Trip spans 6 days
$1428
Select
Royal Air Maroc
Royal Air Maroc
IAD
6:50a
OPO
7:45a
24h 55m
2 stops
OPO
1:45p
IAD
8:55p
31h 10m
1 stop
Depart: Wed Aug 30 2017 Return: Mon Sep 11 2017 Trip spans 13 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: Sat Oct 21 2017 Return: Sun Oct 29 2017 Trip spans 9 days
Turkish Airlines
Turkish Airlines
IAD
7:00p
OPO
5:35a
34h 35m
1 stop
OPO
8:40a
IAD
8:05p
35h 25m
1 stop
Depart: Wed Nov 8 2017 Return: Sun Nov 12 2017 Trip spans 5 days
Turkish Airlines
Turkish Airlines
IAD
5:55p
OPO
4:10a
34h 15m
1 stop
OPO
7:40a
IAD
7:05p
35h 25m
1 stop
Depart: Fri Nov 17 2017 Return: Sat Nov 25 2017 Trip spans 9 days
Turkish Airlines
Turkish Airlines
IAD
5:55p
OPO
1:45a
31h 50m
1 stop
OPO
7:40a
IAD
7:05p
35h 25m
1 stop
Depart: Wed Jul 26 2017 Return: Tue Aug 29 2017 Trip spans 35 days
$1175
Select
TAP Portugal
TAP Portugal
IAD
4:18a
OPO
3:10p
34h 52m
2 stops
OPO
4:30p
IAD
7:08p
26h 38m
2 stops
Depart: Thu Aug 31 2017 Return: Mon Sep 11 2017 Trip spans 12 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: Fri Sep 8 2017 Return: Sun Sep 17 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
Depart: Fri Jun 16 2017 Return: Sat Jun 17 2017 Trip spans 2 days
$1332
Select
Major Airline
Major Airline
IAD
9:20a
OPO
2:15a
16h 55m
2 stops
OPO
10:00p
IAD
3:40p
17h 40m
2 stops
Depart: Thu Jul 27 2017 Return: Tue Aug 29 2017 Trip spans 34 days
$1236
Select
TAP Portugal
TAP Portugal
IAD
4:18a
OPO
11:00p
18h 42m
2 stops
OPO
4:30p
IAD
7:08p
26h 38m
2 stops
Depart: Sun Jun 25 2017 Return: Wed Aug 23 2017 Trip spans 60 days
$1390
Select
Lufthansa
Lufthansa
IAD
1:30p
OPO
1:25a
11h 55m
1 stop
OPO
2:00a
IAD
4:55p
14h 55m
1 stop
Depart: Mon Jul 24 2017 Return: Tue Aug 22 2017 Trip spans 30 days
$1404
Select
KLM
KLM
IAD
1:45p
OPO
1:30a
11h 45m
1 stop
OPO
4:55p
IAD
4:37p
23h 42m
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
$782
Destination

Porto
$782