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: Mon Feb 20 2017 Return: Sat Mar 4 2017 Trip spans 13 days
Major Airline
Major Airline
IAD
4:10a
OPO
12:00a
43h 50m
2 stops
OPO
9:10a
IAD
7:10a
46h 00m
2 stops
Depart: Thu Mar 2 2017 Return: Sun Mar 12 2017 Trip spans 10 days
Turkish Airlines
Turkish Airlines
IAD
5:55p
OPO
1:45a
31h 50m
1 stop
OPO
8:40a
IAD
8:05p
35h 25m
1 stop
Depart: Tue May 2 2017 Return: Mon May 8 2017 Trip spans 7 days
TAP Portugal
TAP Portugal
IAD
4:15a
OPO
10:50p
18h 35m
2 stops
OPO
10:40a
IAD
9:43a
23h 03m
2 stops
Depart: Mon Jan 23 2017 Return: Mon Jan 30 2017 Trip spans 8 days
$1126
Select
Iberia
Iberia
IAD
5:30p
OPO
6:35a
13h 05m
2 stops
OPO
3:05a
IAD
8:30p
17h 25m
2 stops
Depart: Sat Jan 21 2017 Return: Tue Jan 31 2017 Trip spans 11 days
$1188
Select
Lufthansa
Lufthansa
IAD
12:30p
OPO
3:05a
14h 35m
1 stop
OPO
7:15a
IAD
8:15p
13h 00m
1 stop
Depart: Sun Apr 9 2017 Return: Sun Apr 16 2017 Trip spans 8 days
Turkish Airlines
Turkish Airlines
IAD
7:05p
OPO
2:20a
31h 15m
1 stop
OPO
11:35a
IAD
8:15p
32h 40m
1 stop
Depart: Fri Jan 20 2017 Return: Sun Jan 29 2017 Trip spans 10 days
Major Airline
Major Airline
IAD
10:45a
OPO
11:00p
12h 15m
1 stop
OPO
12:30a
IAD
6:17p
17h 47m
1 stop
Depart: Mon Apr 24 2017 Return: Wed May 10 2017 Trip spans 17 days
Turkish Airlines
Turkish Airlines
IAD
7:05p
OPO
2:20a
31h 15m
1 stop
OPO
8:15a
IAD
8:15p
36h 00m
1 stop
Depart: Wed Mar 15 2017 Return: Mon Mar 20 2017 Trip spans 6 days
Major Airline
Major Airline
IAD
10:25a
OPO
11:25p
13h 00m
1 stop
OPO
4:15a
IAD
5:15p
13h 00m
1 stop
Depart: Mon May 29 2017 Return: Mon Jun 5 2017 Trip spans 8 days
TAP Portugal
TAP Portugal
IAD
4:15a
OPO
2:25a
22h 10m
1 stop
OPO
10:30a
IAD
9:43a
23h 13m
2 stops
Depart: Sun Jan 15 2017 Return: Fri Jan 27 2017 Trip spans 13 days
Turkish Airlines
Turkish Airlines
IAD
5:55p
OPO
4:10a
34h 15m
1 stop
OPO
10:05a
IAD
7:05p
33h 00m
1 stop
Depart: Tue May 30 2017 Return: Mon Jun 5 2017 Trip spans 7 days
TAP Portugal
TAP Portugal
IAD
4:15a
OPO
10:50p
18h 35m
2 stops
OPO
10:30a
IAD
9:43a
23h 13m
2 stops
Depart: Sun Jan 22 2017 Return: Sun Jan 29 2017 Trip spans 8 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: Sun May 28 2017 Return: Mon Jun 5 2017 Trip spans 9 days
Major Airline
Major Airline
IAD
10:05a
OPO
2:15a
16h 10m
1 stop
OPO
12:30a
IAD
12:35p
12h 05m
1 stop
Depart: Fri May 26 2017 Return: Sat Jun 3 2017 Trip spans 9 days
TAP Portugal
TAP Portugal
IAD
4:15a
OPO
2:25a
22h 10m
1 stop
OPO
5:30p
IAD
9:43a
40h 13m
2 stops
Depart: Sun Apr 23 2017 Return: Tue May 9 2017 Trip spans 17 days
Turkish Airlines
Turkish Airlines
IAD
7:05p
OPO
2:20a
31h 15m
1 stop
OPO
8:15a
IAD
8:15p
36h 00m
1 stop
Depart: Sun Jan 1 2017 Return: Tue Jan 10 2017 Trip spans 10 days
Major Airline
Major Airline
IAD
7:25a
OPO
8:25p
13h 00m
1 stop
OPO
2:15a
IAD
3:15p
13h 00m
1 stop
Depart: Tue Apr 25 2017 Return: Tue May 9 2017 Trip spans 15 days
Turkish Airlines
Turkish Airlines
IAD
7:05p
OPO
5:35a
34h 30m
1 stop
OPO
8:15a
IAD
8:15p
36h 00m
1 stop
Depart: Wed May 24 2017 Return: Mon Jun 5 2017 Trip spans 13 days
TAP Portugal
TAP Portugal
IAD
4:15p
OPO
5:00a
12h 45m
2 stops
OPO
7:30a
IAD
9:43a
26h 13m
2 stops
Depart: Sat May 27 2017 Return: Tue Jun 6 2017 Trip spans 11 days
Major Airline
Major Airline
IAD
6:45a
OPO
2:00a
43h 15m
2 stops
OPO
11:10a
IAD
9:50a
46h 40m
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
$706
Destination

Porto
$706