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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: Fri Oct 16 2015 Return: Sun Oct 25 2015 Trip spans 10 days
Turkish Airlines
Turkish Airlines
JFK
OPO
33h 25m
1 stop
OPO
JFK
35h 30m
1 stop
Depart: Sun Nov 1 2015 Return: Sun Nov 8 2015 Trip spans 8 days
Turkish Airlines
Turkish Airlines
ORD
OPO
34h 35m
1 stop
OPO
ORD
32h 25m
1 stop
Depart: Sun Sep 27 2015 Return: Sun Oct 18 2015 Trip spans 22 days
Turkish Airlines
Turkish Airlines
BOS
OPO
33h 40m
1 stop
OPO
BOS
30h 50m
1 stop
Depart: Thu Dec 31 2015 Return: Sat Jan 16 2016 Trip spans 17 days
Turkish Airlines
Turkish Airlines
IAD
OPO
33h 55m
1 stop
OPO
IAD
32h 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: Mon Sep 14 2015 Return: Mon Sep 28 2015 Trip spans 15 days
TAP Portugal
TAP Portugal
EWR
OPO
7h 05m
nonstop
OPO
EWR
8h 05m
nonstop
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: Thu Nov 12 2015 Return: Sun Nov 15 2015 Trip spans 4 days
Turkish Airlines
Turkish Airlines
HOU
OPO
35h 55m
1 stop
OPO
HOU
33h 15m
1 stop
Depart: Sun Oct 4 2015 Return: Mon Oct 12 2015 Trip spans 9 days
$1027
Select
KLM Royal Dutch
KLM Royal Dutch
LGA
OPO
20h 45m
2 stops
OPO
LGA
23h 55m
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
15h 50m
2 stops
OPO
DCA
15h 11m
2 stops
Depart: Wed Sep 16 2015 Return: Sat Sep 19 2015 Trip spans 4 days
$1139
Select
Major Airline
Major Airline
SFO
OPO
23h 00m
2 stops
OPO
SFO
19h 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: Fri Aug 21 2015 Return: Sat Aug 29 2015 Trip spans 9 days
$1248
Select
Turkish Airlines
Turkish Airlines
IAH
OPO
35h 35m
1 stop
OPO
IAH
33h 10m
1 stop
Depart: Tue Aug 4 2015 Return: Fri Aug 21 2015 Trip spans 18 days
$1376
Select
Lufthansa
Lufthansa
FLL
OPO
24h 32m
2 stops
OPO
FLL
22h 11m
2 stops
Depart: Wed Aug 5 2015 Return: Fri Aug 21 2015 Trip spans 17 days
$1475
Select
Lufthansa
Lufthansa
PBI
OPO
18h 39m
2 stops
OPO
PBI
22h 24m
2 stops
Depart: Sat Aug 22 2015 Return: Sat Aug 29 2015 Trip spans 8 days
$8613
Select
United
United
PVD
OPO
24h 40m
2 stops
OPO
PVD
19h 55m
2 stops
Airports
Origin

New York
only $640
only $1027
Providence
$8613
Chicago
$670
Fort Lauderdale
$1376
White Plains
$1040
Washington
only $757
only $1099
Miami
$961
West Palm Beach
$1475
San Francisco
$1139
Baltimore
$1141
Los Angeles
$931
Newark
$955
Philadelphia
$1051
Houston
only $1248
only $967
Boston
$680
Destination

Porto
$640