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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: Fri Oct 23 2015 Return: Sun Oct 25 2015 Trip spans 3 days
SATA International
SATA International
BOS
PDL
4h 45m
nonstop
PDL
BOS
5h 45m
nonstop
Depart: Tue Apr 28 2015 Return: Thu May 7 2015 Trip spans 10 days
Turkish Airlines
Turkish Airlines
JFK
OPO
33h 25m
1 stop
OPO
JFK
25h 00m
1 stop
Depart: Thu Sep 10 2015 Return: Thu Oct 8 2015 Trip spans 29 days
SATA International
SATA International
BOS
LIS
6h 10m
nonstop
LIS
BOS
7h 15m
nonstop
Depart: Sat Oct 31 2015 Return: Sun Nov 8 2015 Trip spans 9 days
Turkish Airlines
Turkish Airlines
JFK
LIS
29h 50m
1 stop
LIS
JFK
29h 15m
1 stop
Depart: Fri Oct 9 2015 Return: Sun Oct 18 2015 Trip spans 10 days
Turkish Airlines
Turkish Airlines
IAD
LIS
30h 05m
1 stop
LIS
IAD
31h 25m
1 stop
Depart: Thu Oct 22 2015 Return: Fri Oct 30 2015 Trip spans 9 days
Turkish Airlines
Turkish Airlines
ORD
LIS
30h 15m
1 stop
LIS
ORD
36h 20m
1 stop
Depart: Sat Sep 12 2015 Return: Fri Sep 18 2015 Trip spans 7 days
SATA International
SATA International
BOS
OPO
17h 55m
1 stop
OPO
BOS
14h 15m
2 stops
Depart: Sat May 9 2015 Return: Wed May 13 2015 Trip spans 5 days
United
United
EWR
LIS
7h 10m
nonstop
LIS
EWR
8h 05m
nonstop
Depart: Wed Jun 3 2015 Return: Wed Jun 10 2015 Trip spans 8 days
Major Airline
Major Airline
PHL
LIS
7h 00m
nonstop
LIS
PHL
31h 00m
2 stops
Depart: Tue Aug 25 2015 Return: Wed Sep 2 2015 Trip spans 9 days
Aer Lingus
Aer Lingus
JFK
FAO
27h 15m
1 stop
FAO
JFK
29h 00m
1 stop
Depart: Wed Apr 29 2015 Return: Tue May 5 2015 Trip spans 7 days
United
United
MIA
LIS
15h 25m
1 stop
LIS
MIA
19h 05m
1 stop
Depart: Sun May 10 2015 Return: Tue May 26 2015 Trip spans 17 days
US Airways
US Airways
CLT
LIS
14h 40m
1 stop
LIS
CLT
13h 50m
1 stop
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: Fri Aug 21 2015 Return: Mon Aug 31 2015 Trip spans 11 days
Turkish Airlines
Turkish Airlines
HOU
LIS
31h 55m
1 stop
LIS
HOU
32h 35m
1 stop
Depart: Mon May 11 2015 Return: Tue May 19 2015 Trip spans 9 days
United
United
LGA
LIS
21h 01m
2 stops
LIS
LGA
17h 04m
2 stops
Depart: Mon Sep 14 2015 Return: Mon Oct 5 2015 Trip spans 22 days
Turkish Airlines
Turkish Airlines
LAX
LIS
32h 10m
1 stop
LIS
LAX
32h 45m
1 stop
Depart: Mon Jun 15 2015 Return: Thu Jun 25 2015 Trip spans 11 days
$1098
Select
Air Canada
Air Canada
DCA
LIS
13h 40m
2 stops
LIS
DCA
24h 36m
1 stop
Depart: Thu May 7 2015 Return: Mon May 18 2015 Trip spans 12 days
$1115
Select
American Airlines
American Airlines
MSP
LIS
19h 50m
1 stop
LIS
MSP
15h 22m
1 stop
Depart: Sat Oct 10 2015 Return: Sat Oct 17 2015 Trip spans 8 days
$1117
Select
Air Canada
Air Canada
RDU
LIS
13h 55m
1 stop
LIS
RDU
17h 50m
2 stops
Depart: Sun May 17 2015 Return: Thu Jul 16 2015 Trip spans 61 days
$1148
Select
American Airlines
American Airlines
FLL
LIS
16h 05m
1 stop
LIS
FLL
12h 38m
1 stop
Airports
Origin

New York
only $596
only $937
Charlotte
$911
Raleigh
$1117
Chicago
$738
Fort Lauderdale
$1148
Washington
only $720
only $1098
Miami
$903
Minneapolis
$1115
Los Angeles
$941
Newark
$869
Philadelphia
$892
Houston
$932
Boston
$446
Destination

Porto
$596
Lisbon
$606
Faro
$895
Ponta Delgada (Açores)
$446