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
Students
under 26
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: Tue Mar 14 2017 Return: Tue Mar 21 2017 Trip spans 8 days
Turkish Airlines
Turkish Airlines
IAD
7:55p
OPO
3:45a
31h 50m
1 stop
OPO
11:05a
IAD
8:05p
33h 00m
1 stop
Depart: Thu Mar 9 2017 Return: Sat Mar 18 2017 Trip spans 9 days
Major Airline
Major Airline
IAD
8:20a
OPO
8:25p
12h 05m
1 stop
OPO
10:00p
IAD
5:15p
19h 15m
1 stop
Depart: Tue Feb 7 2017 Return: Wed Feb 22 2017 Trip spans 16 days
TAP Portugal
TAP Portugal
IAD
3:45p
OPO
4:00a
12h 15m
2 stops
OPO
8:30a
IAD
11:25p
14h 55m
2 stops
Depart: Thu May 18 2017 Return: Sun May 21 2017 Trip spans 4 days
Aer Lingus
Aer Lingus
IAD
1:15p
OPO
1:05a
11h 50m
1 stop
OPO
6:20a
IAD
4:35p
34h 15m
1 stop
Depart: Thu Mar 16 2017 Return: Mon Mar 27 2017 Trip spans 12 days
Turkish Airlines
Turkish Airlines
IAD
7:55p
OPO
3:45a
31h 50m
1 stop
OPO
11:35a
IAD
8:10p
32h 35m
1 stop
Depart: Fri Mar 10 2017 Return: Sun Mar 19 2017 Trip spans 9 days
Major Airline
Major Airline
IAD
11:55a
OPO
11:05p
35h 10m
1 stop
OPO
11:25a
IAD
11:20a
23h 55m
1 stop
Depart: Wed Apr 12 2017 Return: Mon Apr 17 2017 Trip spans 6 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: Wed Jan 25 2017 Return: Mon Jan 30 2017 Trip spans 6 days
Major Airline
Major Airline
IAD
7:40a
OPO
8:50p
13h 10m
1 stop
OPO
1:50a
IAD
10:05a
32h 15m
1 stop
Depart: Mon Apr 24 2017 Return: Mon May 8 2017 Trip spans 15 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: Thu Feb 23 2017 Return: Tue Feb 28 2017 Trip spans 6 days
Turkish Airlines
Turkish Airlines
IAD
5:55p
OPO
1:45a
31h 50m
1 stop
OPO
10:05a
IAD
7:05p
33h 00m
1 stop
Depart: Sat Feb 4 2017 Return: Sun Feb 19 2017 Trip spans 16 days
$1522
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KLM
KLM
IAD
12:45p
OPO
3:25a
14h 40m
1 stop
OPO
9:05a
IAD
4:10p
31h 05m
2 stops
Depart: Thu Apr 13 2017 Return: Tue May 2 2017 Trip spans 20 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: Sun Feb 5 2017 Return: Thu Feb 16 2017 Trip spans 12 days
TAP Portugal
TAP Portugal
IAD
3:45p
OPO
4:00a
12h 15m
2 stops
OPO
6:25a
IAD
8:01p
13h 36m
1 stop
Depart: Sun Apr 23 2017 Return: Mon May 8 2017 Trip spans 16 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: Tue May 30 2017 Return: Fri Jun 9 2017 Trip spans 11 days
Aer Lingus
Aer Lingus
IAD
1:15p
OPO
1:05a
11h 50m
1 stop
OPO
6:45a
IAD
4:35p
33h 50m
1 stop
Depart: Mon Feb 6 2017 Return: Wed Feb 22 2017 Trip spans 17 days
TAP Portugal
TAP Portugal
IAD
10:30a
OPO
11:55p
13h 25m
2 stops
OPO
9:30a
IAD
11:25p
13h 55m
2 stops
Depart: Tue Apr 25 2017 Return: Mon May 8 2017 Trip spans 14 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 Feb 8 2017 Return: Wed Feb 22 2017 Trip spans 15 days
TAP Portugal
TAP Portugal
IAD
3:45p
OPO
4:00a
12h 15m
2 stops
OPO
9:30a
IAD
11:25p
13h 55m
2 stops
Depart: Sat May 20 2017 Return: Tue May 30 2017 Trip spans 11 days
Major Airline
Major Airline
IAD
9:15a
OPO
9:40p
12h 25m
1 stop
OPO
6:45a
IAD
12:35p
29h 50m
1 stop
Depart: Tue May 16 2017 Return: Sun May 21 2017 Trip spans 6 days
Aer Lingus
Aer Lingus
IAD
1:15p
OPO
1:05a
11h 50m
1 stop
OPO
6:20a
IAD
4:35p
34h 15m
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
$562
Destination

Porto
$562