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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 Oct 15 2015 Return: Sat Oct 24 2015 Trip spans 10 days
Turkish Airlines
Turkish Airlines
BOS
OPO
33h 35m
1 stop
OPO
BOS
32h 15m
1 stop
Depart: Sun May 24 2015 Return: Thu Jul 2 2015 Trip spans 40 days
Turkish Airlines
Turkish Airlines
JFK
OPO
33h 25m
1 stop
OPO
JFK
35h 35m
1 stop
Depart: Thu May 28 2015 Return: Thu Jul 2 2015 Trip spans 36 days
TAP Portugal
TAP Portugal
EWR
OPO
7h 05m
nonstop
OPO
EWR
8h 05m
nonstop
Depart: Thu May 21 2015 Return: Thu May 28 2015 Trip spans 8 days
TAP Portugal
TAP Portugal
EWR
OPO
7h 05m
nonstop
OPO
EWR
8h 05m
nonstop
Depart: Mon Sep 7 2015 Return: Mon Sep 21 2015 Trip spans 15 days
TAP Portugal
TAP Portugal
EWR
OPO
7h 05m
nonstop
OPO
EWR
8h 05m
nonstop
Depart: Tue Jul 21 2015 Return: Tue Aug 4 2015 Trip spans 15 days
Turkish Airlines
Turkish Airlines
BOS
OPO
33h 35m
1 stop
OPO
BOS
30h 40m
1 stop
Depart: Wed Aug 5 2015 Return: Thu Aug 20 2015 Trip spans 16 days
Turkish Airlines
Turkish Airlines
JFK
OPO
20h 30m
1 stop
OPO
JFK
35h 35m
1 stop
Depart: Sat Aug 29 2015 Return: Fri Sep 4 2015 Trip spans 7 days
$1030
Select
KLM Royal Dutch
KLM Royal Dutch
BOS
OPO
20h 30m
1 stop
OPO
BOS
13h 38m
1 stop
Depart: Tue Oct 6 2015 Return: Mon Oct 12 2015 Trip spans 7 days
$1044
Select
KLM Royal Dutch
KLM Royal Dutch
LGA
OPO
20h 50m
2 stops
OPO
LGA
23h 53m
2 stops
Depart: Mon Jul 27 2015 Return: Sat Aug 22 2015 Trip spans 27 days
$1074
Select
Turkish Airlines
Turkish Airlines
JFK
OPO
20h 30m
1 stop
OPO
JFK
25h 00m
1 stop
Depart: Tue Sep 15 2015 Return: Tue Sep 22 2015 Trip spans 8 days
$1102
Select
Turkish Airlines
Turkish Airlines
LAX
OPO
36h 00m
1 stop
OPO
LAX
33h 10m
1 stop
Depart: Mon Jul 13 2015 Return: Thu Aug 6 2015 Trip spans 25 days
$1146
Select
Turkish Airlines
Turkish Airlines
JFK
OPO
20h 30m
1 stop
OPO
JFK
25h 00m
1 stop
Depart: Fri Jul 17 2015 Return: Thu Aug 13 2015 Trip spans 28 days
$1207
Select
TAP Portugal
TAP Portugal
EWR
OPO
25h 55m
1 stop
OPO
EWR
13h 55m
1 stop
Depart: Wed Jun 24 2015 Return: Tue Jul 14 2015 Trip spans 21 days
$1314
Select
Major Airline
Major Airline
BOS
OPO
13h 00m
1 stop
OPO
BOS
11h 00m
1 stop
Depart: Fri Jun 26 2015 Return: Tue Jul 7 2015 Trip spans 12 days
$1345
Select
Turkish Airlines
Turkish Airlines
LAX
OPO
36h 00m
1 stop
OPO
LAX
33h 10m
1 stop
Depart: Mon Aug 3 2015 Return: Mon Aug 24 2015 Trip spans 22 days
$1451
Select
TAP Portugal
TAP Portugal
EWR
OPO
11h 10m
1 stop
OPO
EWR
26h 30m
1 stop
Depart: Thu Aug 13 2015 Return: Mon Aug 24 2015 Trip spans 12 days
$1469
Select
KLM Royal Dutch
KLM Royal Dutch
LGA
OPO
15h 51m
2 stops
OPO
LGA
23h 28m
2 stops
Depart: Mon Jun 29 2015 Return: Fri Jul 31 2015 Trip spans 33 days
$1919
Select
TAP Portugal
TAP Portugal
EWR
OPO
7h 05m
nonstop
OPO
EWR
8h 05m
nonstop
Depart: Thu Aug 6 2015 Return: Thu Aug 20 2015 Trip spans 15 days
$2053
Select
TAP Portugal
TAP Portugal
EWR
OPO
7h 05m
nonstop
OPO
EWR
8h 05m
nonstop
Airports
Origin

New York
only $1044
only $660
Los Angeles
$1102
Newark
$926
Boston
$637
Destination

Porto
$637