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Find Flight Deals from United States to Porto

Dates flexible? Here are the best fares found in the past 48 hours...

Book cheap flights to Porto

(Round-trip)
Depart: Fri May 1 2015 Return: Sun May 10 2015 Trip spans 10 days
Turkish Airlines
Turkish Airlines
JFK
7:55p
OPO
5:20a
33h 25m
1 stop
OPO
11:20a
JFK
12:20p
25h 00m
1 stop
Depart: Tue Jun 9 2015 Return: Tue Jun 23 2015 Trip spans 15 days
Turkish Airlines
Turkish Airlines
ORD
6:15p
OPO
4:20a
34h 05m
1 stop
OPO
11:20a
ORD
7:25p
32h 05m
1 stop
Depart: Sun Aug 30 2015 Return: Tue Sep 8 2015 Trip spans 10 days
Turkish Airlines
Turkish Airlines
BOS
7:45p
OPO
5:20a
33h 35m
1 stop
OPO
11:20a
BOS
6:00p
30h 40m
1 stop
Depart: Wed Apr 22 2015 Return: Sun Apr 26 2015 Trip spans 5 days
Air Europa
Air Europa
JFK
6:05p
OPO
6:00a
11h 55m
1 stop
OPO
7:10a
JFK
9:05p
13h 55m
1 stop
Depart: Sun Aug 9 2015 Return: Thu Aug 27 2015 Trip spans 19 days
Turkish Airlines
Turkish Airlines
IAD
7:25p
OPO
5:20a
33h 55m
1 stop
OPO
11:20a
IAD
7:10p
31h 50m
1 stop
Depart: Fri Apr 10 2015 Return: Sun Apr 19 2015 Trip spans 10 days
Multiple Airlines
Multiple Airlines
JFK
8:50a
OPO
3:50p
31h 00m
2 stops
OPO
12:55p
JFK
12:20p
47h 25m
2 stops
Depart: Sat Jun 6 2015 Return: Fri Jun 19 2015 Trip spans 14 days
TAP Portugal
TAP Portugal
BOS
6:15p
OPO
3:50p
21h 35m
2 stops
OPO
6:00p
BOS
9:15p
27h 15m
1 stop
Depart: Wed Apr 15 2015 Return: Wed Apr 22 2015 Trip spans 8 days
Multiple Airlines
Multiple Airlines
BOS
7:45p
OPO
1:05a
53h 20m
2 stops
OPO
5:25p
BOS
6:00p
48h 35m
2 stops
Depart: Sat Jun 27 2015 Return: Sat Aug 1 2015 Trip spans 36 days
SATA International
SATA International
BOS
6:15p
OPO
12:10p
17h 55m
1 stop
OPO
5:10p
BOS
5:45p
24h 35m
1 stop
Depart: Fri Apr 3 2015 Return: Sun Apr 5 2015 Trip spans 3 days
Air Europa
Air Europa
MIA
5:50p
OPO
6:00a
12h 10m
1 stop
OPO
7:10a
MIA
8:50p
13h 40m
1 stop
Depart: Mon Mar 9 2015 Return: Mon Mar 30 2015 Trip spans 22 days
TAP Portugal
TAP Portugal
EWR
2:15p
OPO
9:20p
7h 05m
nonstop
OPO
8:10a
EWR
4:15p
8h 05m
nonstop
Depart: Sat Mar 14 2015 Return: Thu Mar 19 2015 Trip spans 6 days
TAP Portugal
TAP Portugal
MIA
2:00p
OPO
2:25a
12h 25m
1 stop
OPO
1:55a
MIA
6:00p
16h 05m
1 stop
Depart: Tue Apr 7 2015 Return: Tue Apr 21 2015 Trip spans 15 days
KLM Royal Dutch
KLM Royal Dutch
EWR
1:54p
OPO
9:50a
19h 56m
1 stop
OPO
4:40a
EWR
4:58p
12h 18m
1 stop
Depart: Mon Apr 27 2015 Return: Thu May 14 2015 Trip spans 18 days
Delta
Delta
BOS
10:45a
OPO
1:40a
14h 55m
2 stops
OPO
3:30a
BOS
7:25p
15h 55m
2 stops
Depart: Wed Jul 15 2015 Return: Tue Jul 21 2015 Trip spans 7 days
$1013
Select
Delta
Delta
JFK
3:35p
OPO
1:40a
10h 05m
1 stop
OPO
3:30a
JFK
2:42p
11h 12m
1 stop
Depart: Sat Apr 25 2015 Return: Mon May 4 2015 Trip spans 10 days
$1048
Select
Multiple Airlines
Multiple Airlines
ORD
2:50p
OPO
1:45a
34h 55m
2 stops
OPO
4:35p
ORD
7:43p
27h 08m
2 stops
Depart: Fri Mar 13 2015 Return: Fri Mar 20 2015 Trip spans 8 days
$1088
Select
American Airlines
American Airlines
LGA
4:59a
OPO
3:30a
22h 31m
2 stops
OPO
4:05a
LGA
8:30p
16h 25m
2 stops
Depart: Sun Apr 5 2015 Return: Mon Apr 13 2015 Trip spans 9 days
$1115
Select
Lufthansa
Lufthansa
BOS
12:40p
OPO
2:10a
13h 30m
1 stop
OPO
2:00a
BOS
3:35p
13h 35m
1 stop
Depart: Sun May 3 2015 Return: Mon May 18 2015 Trip spans 16 days
$1211
Select
Multiple Airlines
Multiple Airlines
LAX
11:30a
OPO
3:00a
39h 30m
2 stops
OPO
3:30a
LAX
4:15p
36h 45m
2 stops
Depart: Sat Jun 13 2015 Return: Thu Jun 25 2015 Trip spans 13 days
$1262
Select
Air Canada
Air Canada
ORD
4:45a
OPO
1:10a
20h 25m
2 stops
OPO
2:00a
ORD
10:05a
32h 05m
2 stops
Change your search
Airports
Origin

New York
only $1088
only $634
Chicago
$664
Los Angeles
$1211
Newark
$897
Washington
$756
Miami
$896
Boston
$678
Destination

Porto
$634