Browse Origins:
Browse Destinations:

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 Aug 28 2015 Return: Sun Sep 20 2015 Trip spans 24 days
SATA International
SATA International
BOS
PDL
4h 45m
nonstop
PDL
BOS
5h 45m
nonstop
Depart: Tue Apr 28 2015 Return: Tue May 26 2015 Trip spans 29 days
Turkish Airlines
Turkish Airlines
JFK
OPO
33h 25m
1 stop
OPO
JFK
25h 00m
1 stop
Depart: Thu Apr 2 2015 Return: Thu Apr 9 2015 Trip spans 8 days
SATA International
SATA International
BOS
LIS
6h 10m
nonstop
LIS
BOS
7h 15m
nonstop
Depart: Tue Sep 15 2015 Return: Thu Sep 24 2015 Trip spans 10 days
Turkish Airlines
Turkish Airlines
ORD
OPO
34h 05m
1 stop
OPO
ORD
32h 05m
1 stop
Depart: Tue Aug 18 2015 Return: Tue Sep 8 2015 Trip spans 22 days
Turkish Airlines
Turkish Airlines
BOS
OPO
33h 35m
1 stop
OPO
BOS
30h 40m
1 stop
Depart: Thu Apr 9 2015 Return: Sat Apr 18 2015 Trip spans 10 days
Turkish Airlines
Turkish Airlines
IAD
LIS
30h 05m
1 stop
LIS
IAD
31h 25m
1 stop
Depart: Fri Apr 24 2015 Return: Fri May 1 2015 Trip spans 8 days
Turkish Airlines
Turkish Airlines
JFK
LIS
16h 40m
1 stop
LIS
JFK
24h 35m
1 stop
Depart: Sun Sep 13 2015 Return: Sun Sep 20 2015 Trip spans 8 days
Turkish Airlines
Turkish Airlines
ORD
LIS
30h 15m
1 stop
LIS
ORD
31h 40m
1 stop
Depart: Fri Sep 11 2015 Return: Sat Sep 19 2015 Trip spans 9 days
Norwegian
Norwegian
JFK
FAO
15h 16m
1 stop
FAO
JFK
30h 15m
1 stop
Depart: Thu Sep 24 2015 Return: Sat Oct 10 2015 Trip spans 17 days
US Airways
US Airways
DCA
LIS
19h 15m
2 stops
LIS
DCA
16h 33m
1 stop
Depart: Fri May 8 2015 Return: Sat May 16 2015 Trip spans 9 days
American Airlines
American Airlines
BWI
LIS
15h 35m
1 stop
LIS
BWI
15h 16m
1 stop
Depart: Mon Apr 20 2015 Return: Mon May 11 2015 Trip spans 22 days
TAP Portugal
TAP Portugal
EWR
OPO
7h 05m
nonstop
OPO
EWR
8h 05m
nonstop
Depart: Wed Jul 1 2015 Return: Wed Jul 8 2015 Trip spans 8 days
American Airlines
American Airlines
LGA
LIS
18h 45m
1 stop
LIS
LGA
16h 12m
1 stop
Depart: Sun Apr 12 2015 Return: Thu May 7 2015 Trip spans 26 days
TAP Portugal
TAP Portugal
EWR
LIS
7h 10m
nonstop
LIS
EWR
8h 10m
nonstop
Depart: Wed Sep 30 2015 Return: Wed Oct 28 2015 Trip spans 29 days
Turkish Airlines
Turkish Airlines
SFO
LIS
32h 20m
1 stop
LIS
SFO
32h 10m
1 stop
Depart: Wed Sep 2 2015 Return: Wed Sep 9 2015 Trip spans 8 days
Turkish Airlines
Turkish Airlines
HOU
LIS
31h 55m
1 stop
LIS
HOU
32h 35m
1 stop
Depart: Sun Sep 6 2015 Return: Fri Sep 18 2015 Trip spans 13 days
US Airways
US Airways
LAX
LIS
16h 05m
1 stop
LIS
LAX
18h 17m
1 stop
Depart: Wed Apr 8 2015 Return: Tue Apr 21 2015 Trip spans 14 days
American Airlines
American Airlines
PHL
LIS
7h 05m
nonstop
LIS
PHL
8h 00m
nonstop
Depart: Wed Aug 26 2015 Return: Wed Oct 14 2015 Trip spans 50 days
TAP Portugal
TAP Portugal
MIA
LIS
8h 20m
nonstop
LIS
MIA
9h 25m
nonstop
Depart: Sun Apr 19 2015 Return: Thu Apr 30 2015 Trip spans 12 days
TAP Portugal
TAP Portugal
EWR
FAO
11h 35m
1 stop
FAO
EWR
15h 10m
1 stop
Airports
Origin

San Francisco
$908
New York
only $590
only $897
Baltimore
$893
Chicago
$618
Los Angeles
$943
Newark
$897
Philadelphia
$946
Washington
only $742
only $887
Houston
$913
Boston
$539
Miami
$946
Destination

Porto
$590
Lisbon
$601
Faro
$848
Ponta Delgada (Açores)
$539