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Find Flight Deals from United States to Portugal

Dates flexible? Here are the best fares found in the past 48 hours...

Book cheap flights to Portugal

(Round-trip)
Depart: Sun Nov 8 2015 Return: Sun Nov 15 2015 Trip spans 8 days
SATA International
SATA International
BOS
PDL
4h 45m
nonstop
PDL
BOS
5h 45m
nonstop
Depart: Tue Oct 6 2015 Return: Sun Oct 11 2015 Trip spans 6 days
SATA International
SATA International
BOS
LIS
20h 55m
1 stop
LIS
BOS
10h 05m
2 stops
Depart: Wed Nov 25 2015 Return: Sat Dec 5 2015 Trip spans 11 days
Turkish Airlines
Turkish Airlines
JFK
OPO
20h 10m
1 stop
OPO
JFK
25h 20m
1 stop
Depart: Fri Nov 13 2015 Return: Sat Nov 21 2015 Trip spans 9 days
Norwegian
Norwegian
JFK
FAO
14h 40m
1 stop
FAO
JFK
30h 35m
1 stop
Depart: Thu Nov 5 2015 Return: Sun Nov 15 2015 Trip spans 11 days
Turkish Airlines
Turkish Airlines
BOS
OPO
34h 30m
1 stop
OPO
BOS
31h 10m
1 stop
Depart: Tue Nov 24 2015 Return: Sat Nov 28 2015 Trip spans 5 days
Turkish Airlines
Turkish Airlines
JFK
LIS
34h 35m
1 stop
LIS
JFK
24h 30m
1 stop
Depart: Sat Nov 7 2015 Return: Wed Nov 11 2015 Trip spans 5 days
Turkish Airlines
Turkish Airlines
IAD
LIS
30h 00m
1 stop
LIS
IAD
31h 10m
1 stop
Depart: Thu Nov 26 2015 Return: Mon Nov 30 2015 Trip spans 5 days
Turkish Airlines
Turkish Airlines
ORD
LIS
30h 40m
1 stop
LIS
ORD
31h 35m
1 stop
Depart: Thu Oct 22 2015 Return: Sat Oct 31 2015 Trip spans 10 days
Turkish Airlines
Turkish Airlines
LAX
LIS
32h 10m
1 stop
LIS
LAX
32h 30m
1 stop
Depart: Sun Oct 25 2015 Return: Mon Nov 16 2015 Trip spans 23 days
United
United
EWR
LIS
6h 50m
nonstop
LIS
EWR
8h 35m
nonstop
Depart: Fri Nov 6 2015 Return: Sat Nov 14 2015 Trip spans 9 days
Turkish Airlines
Turkish Airlines
HOU
LIS
31h 55m
1 stop
LIS
HOU
32h 25m
1 stop
Depart: Mon Nov 9 2015 Return: Tue Dec 8 2015 Trip spans 30 days
United
United
MCO
LIS
16h 40m
2 stops
LIS
MCO
15h 00m
1 stop
Depart: Tue Nov 3 2015 Return: Tue Nov 10 2015 Trip spans 8 days
Major Airline
Major Airline
LGA
LIS
16h 30m
2 stops
LIS
LGA
20h 22m
2 stops
Depart: Sun Aug 23 2015 Return: Wed Sep 9 2015 Trip spans 18 days
American Airlines
American Airlines
PHL
LIS
7h 05m
nonstop
LIS
PHL
7h 55m
nonstop
Depart: Wed Nov 4 2015 Return: Sun Nov 15 2015 Trip spans 12 days
United
United
DFW
LIS
16h 49m
1 stop
LIS
DFW
17h 04m
1 stop
Depart: Mon Oct 12 2015 Return: Mon Oct 19 2015 Trip spans 8 days
TAP Portugal
TAP Portugal
MIA
LIS
8h 20m
nonstop
LIS
MIA
9h 25m
nonstop
Depart: Sat Sep 12 2015 Return: Sun Sep 13 2015 Trip spans 2 days
United
United
SFO
LIS
13h 55m
1 stop
LIS
SFO
18h 45m
1 stop
Depart: Sat Oct 3 2015 Return: Sun Oct 11 2015 Trip spans 9 days
Turkish Airlines
Turkish Airlines
IAH
LIS
31h 55m
1 stop
LIS
IAH
36h 50m
1 stop
Depart: Thu Oct 29 2015 Return: Sun Nov 15 2015 Trip spans 18 days
$1012
Select
United
United
EWR
FAO
16h 15m
1 stop
FAO
EWR
35h 05m
2 stops
Depart: Thu Aug 27 2015 Return: Thu Sep 17 2015 Trip spans 22 days
$1016
Select
TAP Portugal
TAP Portugal
EWR
OPO
7h 05m
nonstop
OPO
EWR
8h 05m
nonstop
Airports
Origin

San Francisco
$968
New York
only $613
only $903
Chicago
$704
Orlando
$888
Los Angeles
$786
Newark
$825
Dallas
$942
Philadelphia
$940
Washington
$679
Houston
only $973
only $829
Boston
$474
Miami
$944
Destination

Porto
$613
Lisbon
$613
Faro
$621
Ponta Delgada (Açores)
$474