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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: Wed May 20 2015 Return: Tue Jun 2 2015 Trip spans 14 days
Turkish Airlines
Turkish Airlines
JFK
8:50a
OPO
5:20a
20h 30m
1 stop
OPO
11:20a
JFK
10:55p
35h 35m
1 stop
Depart: Sun Jan 11 2015 Return: Sun Feb 8 2015 Trip spans 29 days
SATA International
SATA International
BOS
5:15p
OPO
1:45a
8h 30m
1 stop
OPO
12:55a
BOS
4:45p
15h 50m
2 stops
Depart: Mon Feb 16 2015 Return: Mon Mar 2 2015 Trip spans 15 days
Multiple Airlines
Multiple Airlines
EWR
1:30p
OPO
5:40a
16h 10m
1 stop
OPO
4:55a
EWR
12:55p
32h 00m
1 stop
Depart: Thu Feb 5 2015 Return: Mon Feb 16 2015 Trip spans 12 days
Iberia
Iberia
DFW
5:30a
OPO
8:35p
15h 05m
2 stops
OPO
3:05a
DFW
6:35p
15h 30m
1 stop
Depart: Sun May 24 2015 Return: Tue Jun 16 2015 Trip spans 24 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: Thu Feb 12 2015 Return: Thu Feb 19 2015 Trip spans 8 days
Major Airline
Major Airline
MIA
12:00p
OPO
9:00a
21h 00m
1 stop
OPO
2:00a
MIA
3:00p
13h 00m
1 stop
Depart: Wed Feb 18 2015 Return: Wed Feb 25 2015 Trip spans 8 days
Iberia
Iberia
ORD
11:55a
OPO
5:35a
17h 40m
1 stop
OPO
3:05a
ORD
3:30p
12h 25m
1 stop
Depart: Sun Feb 22 2015 Return: Mon Mar 23 2015 Trip spans 29 days
Multiple Airlines
Multiple Airlines
SFO
7:30p
OPO
7:05p
23h 35m
3 stops
OPO
4:05a
SFO
2:58a
22h 53m
3 stops
Depart: Sun May 3 2015 Return: Sun May 17 2015 Trip spans 15 days
Major Airline
Major Airline
CLT
7:00a
OPO
2:00a
19h 00m
2 stops
OPO
8:00a
CLT
10:00p
38h 00m
2 stops
Depart: Sat Mar 21 2015 Return: Sun Mar 29 2015 Trip spans 9 days
KLM Royal Dutch
KLM Royal Dutch
MDW
12:45p
OPO
9:55a
45h 10m
2 stops
OPO
4:50p
MDW
6:10p
25h 20m
2 stops
Depart: Wed Mar 25 2015 Return: Mon Apr 6 2015 Trip spans 13 days
TAP Portugal
TAP Portugal
LAX
3:00a
OPO
8:30a
29h 30m
2 stops
OPO
5:25p
LAX
1:04a
31h 39m
2 stops
Depart: Wed Apr 15 2015 Return: Sun Apr 19 2015 Trip spans 5 days
Air Europa
Air Europa
DCA
2:04p
OPO
6:00a
15h 56m
2 stops
OPO
3:10p
DCA
6:17p
51h 07m
2 stops
Depart: Thu Apr 9 2015 Return: Sun Apr 19 2015 Trip spans 11 days
Multiple Airlines
Multiple Airlines
ATL
4:12a
OPO
2:45a
22h 33m
2 stops
OPO
1:00p
ATL
8:09p
31h 09m
2 stops
Change your search
Airports
Origin

New York City
$682
San Francisco
$1091
Charlotte
$1115
Atlanta
$1325
Chicago
only $1005
only $1127
Los Angeles
$1187
Newark
$884
Dallas
$916
Washington
only $927
only $1269
Boston
$701
Miami
$963
Destination

Porto
$682