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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 2 2015 Return: Fri Oct 9 2015 Trip spans 8 days
SATA International
SATA International
BOS
PDL
4h 45m
nonstop
PDL
BOS
5h 45m
nonstop
Depart: Tue Apr 28 2015 Return: Tue May 5 2015 Trip spans 8 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 16 2015 Trip spans 15 days
SATA International
SATA International
BOS
LIS
6h 10m
nonstop
LIS
BOS
7h 15m
nonstop
Depart: Thu Oct 1 2015 Return: Thu Oct 15 2015 Trip spans 15 days
Turkish Airlines
Turkish Airlines
ORD
OPO
34h 05m
1 stop
OPO
ORD
32h 05m
1 stop
Depart: Sun Aug 16 2015 Return: Tue Sep 22 2015 Trip spans 38 days
Turkish Airlines
Turkish Airlines
BOS
OPO
33h 35m
1 stop
OPO
BOS
30h 40m
1 stop
Depart: Tue Sep 1 2015 Return: Tue Sep 8 2015 Trip spans 8 days
Norwegian
Norwegian
JFK
LIS
14h 35m
1 stop
LIS
JFK
16h 35m
1 stop
Depart: Sat Oct 3 2015 Return: Sat Oct 10 2015 Trip spans 8 days
Turkish Airlines
Turkish Airlines
ORD
LIS
30h 15m
1 stop
LIS
ORD
35h 55m
1 stop
Depart: Mon May 4 2015 Return: Tue May 12 2015 Trip spans 9 days
Turkish Airlines
Turkish Airlines
IAD
LIS
30h 05m
1 stop
LIS
IAD
35h 40m
1 stop
Depart: Mon Apr 27 2015 Return: Thu May 7 2015 Trip spans 11 days
Norwegian
Norwegian
JFK
FAO
11h 05m
1 stop
FAO
JFK
16h 25m
1 stop
Depart: Wed Oct 7 2015 Return: Tue Oct 13 2015 Trip spans 7 days
Turkish Airlines
Turkish Airlines
LAX
LIS
32h 10m
1 stop
LIS
LAX
32h 45m
1 stop
Depart: Sun Sep 6 2015 Return: Sun Sep 13 2015 Trip spans 8 days
Norwegian
Norwegian
FLL
LIS
31h 10m
1 stop
LIS
FLL
14h 45m
1 stop
Depart: Sat Sep 26 2015 Return: Sun Oct 4 2015 Trip spans 9 days
British Airways
British Airways
BWI
LIS
9h 15m
1 stop
LIS
BWI
16h 40m
1 stop
Depart: Fri Oct 30 2015 Return: Fri Nov 13 2015 Trip spans 15 days
Turkish Airlines
Turkish Airlines
HOU
LIS
32h 00m
1 stop
LIS
HOU
37h 10m
1 stop
Depart: Tue May 12 2015 Return: Thu May 21 2015 Trip spans 10 days
United
United
EWR
LIS
7h 10m
nonstop
LIS
EWR
8h 05m
nonstop
Depart: Tue Sep 22 2015 Return: Sat Oct 3 2015 Trip spans 12 days
US Airways
US Airways
DCA
LIS
19h 15m
2 stops
LIS
DCA
12h 32m
1 stop
Depart: Mon Apr 20 2015 Return: Mon May 4 2015 Trip spans 15 days
TAP Portugal
TAP Portugal
MIA
LIS
8h 20m
nonstop
LIS
MIA
9h 25m
nonstop
Depart: Thu May 14 2015 Return: Thu May 21 2015 Trip spans 8 days
TAP Portugal
TAP Portugal
EWR
OPO
7h 05m
nonstop
OPO
EWR
8h 05m
nonstop
Depart: Wed Oct 21 2015 Return: Tue Nov 3 2015 Trip spans 14 days
Turkish Airlines
Turkish Airlines
SFO
LIS
32h 20m
1 stop
LIS
SFO
36h 55m
1 stop
Depart: Sat May 2 2015 Return: Mon May 4 2015 Trip spans 3 days
British Airways
British Airways
DEN
LIS
19h 15m
1 stop
LIS
DEN
17h 03m
1 stop
Depart: Wed May 13 2015 Return: Wed May 20 2015 Trip spans 8 days
Major Airline
Major Airline
CLT
LIS
12h 46m
2 stops
LIS
CLT
13h 50m
1 stop
Airports
Origin

New York
$585
Charlotte
$975
Chicago
$619
Fort Lauderdale
$864
Washington
only $743
only $887
Miami
$888
San Francisco
$928
Baltimore
$867
Los Angeles
$814
Newark
$876
Denver
$957
Houston
$870
Boston
$516
Destination

Porto
$585
Lisbon
$597
Faro
$801
Ponta Delgada (Açores)
$516