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Find Deals on Flights 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: Tue Oct 13 2015 Return: Sat Oct 24 2015 Trip spans 12 days
Turkish Airlines
Turkish Airlines
JFK
OPO
33h 25m
1 stop
OPO
JFK
26h 35m
1 stop
Depart: Sun Oct 18 2015 Return: Sat Oct 24 2015 Trip spans 7 days
Turkish Airlines
Turkish Airlines
ORD
OPO
33h 40m
1 stop
OPO
ORD
33h 30m
1 stop
Depart: Tue Sep 29 2015 Return: Tue Oct 6 2015 Trip spans 8 days
Turkish Airlines
Turkish Airlines
BOS
OPO
33h 40m
1 stop
OPO
BOS
30h 50m
1 stop
Depart: Thu Oct 29 2015 Return: Sat Nov 7 2015 Trip spans 10 days
Turkish Airlines
Turkish Airlines
IAD
OPO
33h 55m
1 stop
OPO
IAD
32h 00m
1 stop
Depart: Sun Aug 30 2015 Return: Sat Sep 5 2015 Trip spans 7 days
Turkish Airlines
Turkish Airlines
SFO
OPO
36h 10m
1 stop
OPO
SFO
33h 05m
1 stop
Depart: Sun Jan 10 2016 Return: Wed Jan 27 2016 Trip spans 18 days
TAP Portugal
TAP Portugal
EWR
OPO
8h 55m
1 stop
OPO
EWR
14h 00m
1 stop
Depart: Fri Oct 30 2015 Return: Sat Nov 7 2015 Trip spans 9 days
Turkish Airlines
Turkish Airlines
LAX
OPO
35h 40m
1 stop
OPO
LAX
33h 20m
1 stop
Depart: Sun Dec 6 2015 Return: Sat Dec 26 2015 Trip spans 21 days
Iberia
Iberia
MIA
OPO
12h 50m
1 stop
OPO
MIA
32h 40m
1 stop
Depart: Fri Sep 11 2015 Return: Thu Sep 17 2015 Trip spans 7 days
Turkish Airlines
Turkish Airlines
HOU
OPO
35h 35m
1 stop
OPO
HOU
33h 10m
1 stop
Depart: Wed Nov 4 2015 Return: Sun Nov 8 2015 Trip spans 5 days
$1017
Select
American Airlines
American Airlines
LGA
OPO
14h 55m
2 stops
OPO
LGA
16h 50m
2 stops
Depart: Tue Sep 15 2015 Return: Mon Nov 2 2015 Trip spans 49 days
$1040
Select
American Airlines
American Airlines
HPN
OPO
18h 10m
2 stops
OPO
HPN
17h 51m
2 stops
Depart: Fri Aug 28 2015 Return: Sat Aug 29 2015 Trip spans 2 days
$1051
Select
Iberia
Iberia
PHL
OPO
11h 55m
1 stop
OPO
PHL
23h 55m
1 stop
Depart: Mon Oct 12 2015 Return: Mon Oct 19 2015 Trip spans 8 days
$1099
Select
Iberia
Iberia
DCA
OPO
14h 07m
2 stops
OPO
DCA
15h 40m
2 stops
Depart: Wed Sep 2 2015 Return: Sun Sep 13 2015 Trip spans 12 days
$1101
Select
Major Airline
Major Airline
DEN
OPO
23h 00m
2 stops
OPO
DEN
32h 00m
2 stops
Depart: Sun Sep 20 2015 Return: Sun Sep 27 2015 Trip spans 8 days
$1141
Select
Iberia
Iberia
BWI
OPO
17h 55m
2 stops
OPO
BWI
20h 00m
2 stops
Depart: Wed Jul 29 2015 Return: Fri Aug 21 2015 Trip spans 24 days
$1305
Select
Iberia
Iberia
FLL
OPO
18h 45m
2 stops
OPO
FLL
19h 25m
2 stops
Depart: Mon Aug 17 2015 Return: Thu Aug 27 2015 Trip spans 11 days
$1391
Select
Lufthansa
Lufthansa
PBI
OPO
22h 49m
2 stops
OPO
PBI
22h 24m
2 stops
Depart: Thu Aug 13 2015 Return: Thu Aug 27 2015 Trip spans 15 days
$1531
Select
Iberia
Iberia
ATL
OPO
14h 55m
2 stops
OPO
ATL
16h 36m
2 stops
Airports
Origin

New York
only $640
only $1017
Chicago
$670
Fort Lauderdale
$1305
White Plains
$1040
Washington
only $698
only $1099
Miami
$961
West Palm Beach
$1391
San Francisco
$754
Baltimore
$1141
Atlanta
$1531
Los Angeles
$931
Newark
$768
Denver
$1101
Philadelphia
$1051
Houston
$974
Boston
$680
Destination

Porto
$640