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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: Thu Sep 17 2015 Return: Thu Oct 1 2015 Trip spans 15 days
Turkish Airlines
Turkish Airlines
JFK
OPO
33h 25m
1 stop
OPO
JFK
25h 00m
1 stop
Depart: Tue Sep 8 2015 Return: Tue Sep 15 2015 Trip spans 8 days
Turkish Airlines
Turkish Airlines
ORD
OPO
34h 05m
1 stop
OPO
ORD
32h 05m
1 stop
Depart: Tue Aug 18 2015 Return: Tue Sep 8 2015 Trip spans 22 days
Turkish Airlines
Turkish Airlines
BOS
OPO
33h 35m
1 stop
OPO
BOS
30h 40m
1 stop
Depart: Thu Sep 24 2015 Return: Thu Oct 15 2015 Trip spans 22 days
Turkish Airlines
Turkish Airlines
LAX
OPO
36h 00m
1 stop
OPO
LAX
33h 10m
1 stop
Depart: Mon Apr 13 2015 Return: Thu Apr 30 2015 Trip spans 18 days
TAP Portugal
TAP Portugal
EWR
OPO
7h 05m
nonstop
OPO
EWR
8h 05m
nonstop
Depart: Wed May 6 2015 Return: Wed May 13 2015 Trip spans 8 days
Delta
Delta
MIA
OPO
17h 18m
2 stops
OPO
MIA
15h 35m
1 stop
Depart: Fri May 1 2015 Return: Tue May 5 2015 Trip spans 5 days
Turkish Airlines
Turkish Airlines
IAD
OPO
33h 55m
1 stop
OPO
IAD
31h 50m
1 stop
Depart: Tue Apr 21 2015 Return: Mon May 4 2015 Trip spans 14 days
KLM Royal Dutch
KLM Royal Dutch
LGA
OPO
18h 50m
2 stops
OPO
LGA
22h 52m
2 stops
Depart: Thu Apr 9 2015 Return: Tue Apr 28 2015 Trip spans 20 days
$1092
Select
Delta
Delta
DCA
OPO
17h 56m
2 stops
OPO
DCA
20h 13m
2 stops
Depart: Sun May 10 2015 Return: Tue May 26 2015 Trip spans 17 days
$1136
Select
Delta
Delta
BWI
OPO
20h 25m
2 stops
OPO
BWI
21h 36m
2 stops
Depart: Wed May 27 2015 Return: Mon Jun 8 2015 Trip spans 13 days
$1321
Select
Iberia
Iberia
CLT
OPO
18h 10m
1 stop
OPO
CLT
12h 46m
1 stop
Depart: Sat Jun 6 2015 Return: Tue Jun 16 2015 Trip spans 11 days
$1325
Select
Delta
Delta
SFO
OPO
26h 45m
2 stops
OPO
SFO
34h 59m
2 stops
Depart: Fri Jul 10 2015 Return: Sun Jul 19 2015 Trip spans 10 days
$1468
Select
TAP Portugal
TAP Portugal
ATL
OPO
37h 20m
2 stops
OPO
ATL
51h 45m
2 stops
Depart: Wed Jun 17 2015 Return: Sun Jun 28 2015 Trip spans 12 days
$1580
Select
KLM Royal Dutch
KLM Royal Dutch
MDW
OPO
19h 20m
2 stops
OPO
MDW
21h 49m
2 stops
Depart: Mon Aug 3 2015 Return: Mon Aug 24 2015 Trip spans 22 days
$1633
Select
Lufthansa
Lufthansa
HPN
OPO
18h 10m
2 stops
OPO
HPN
20h 22m
2 stops
Depart: Wed Jun 3 2015 Return: Sun Jun 14 2015 Trip spans 12 days
$1690
Select
KLM Royal Dutch
KLM Royal Dutch
SJC
OPO
22h 35m
2 stops
OPO
SJC
26h 54m
2 stops
Depart: Fri Mar 27 2015 Return: Sat Apr 4 2015 Trip spans 9 days
$2103
Select
Lufthansa
Lufthansa
SNA
OPO
21h 34m
2 stops
OPO
SNA
22h 26m
2 stops
Airports
Origin

New York
only $613
only $955
Charlotte
$1321
Chicago
only $614
only $1580
Santa Ana
$2103
White Plains
$1633
Washington
only $919
only $1092
San Jose
$1690
Miami
$911
San Francisco
$1325
Baltimore
$1136
Atlanta
$1468
Los Angeles
$880
Newark
$896
Boston
$629
Destination

Porto
$613