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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 30 2015 Return: Tue Nov 3 2015 Trip spans 5 days
SATA International
SATA International
BOS
PDL
4h 45m
nonstop
PDL
BOS
5h 45m
nonstop
Depart: Thu Oct 8 2015 Return: Thu Oct 15 2015 Trip spans 8 days
SATA International
SATA International
BOS
LIS
6h 10m
nonstop
LIS
BOS
7h 15m
nonstop
Depart: Wed Oct 14 2015 Return: Thu Oct 22 2015 Trip spans 9 days
Turkish Airlines
Turkish Airlines
JFK
OPO
20h 30m
1 stop
OPO
JFK
35h 35m
1 stop
Depart: Tue Sep 8 2015 Return: Tue Sep 15 2015 Trip spans 8 days
Turkish Airlines
Turkish Airlines
ORD
OPO
34h 05m
1 stop
OPO
ORD
32h 05m
1 stop
Depart: Sun Oct 11 2015 Return: Sun Oct 25 2015 Trip spans 15 days
Turkish Airlines
Turkish Airlines
BOS
OPO
33h 35m
1 stop
OPO
BOS
31h 10m
1 stop
Depart: Sat Oct 31 2015 Return: Mon Nov 9 2015 Trip spans 10 days
Turkish Airlines
Turkish Airlines
JFK
LIS
29h 50m
1 stop
LIS
JFK
24h 30m
1 stop
Depart: Fri Oct 2 2015 Return: Fri Oct 16 2015 Trip spans 15 days
Turkish Airlines
Turkish Airlines
IAD
LIS
30h 05m
1 stop
LIS
IAD
31h 25m
1 stop
Depart: Mon Oct 5 2015 Return: Sat Oct 10 2015 Trip spans 6 days
Turkish Airlines
Turkish Airlines
ORD
LIS
30h 15m
1 stop
LIS
ORD
35h 55m
1 stop
Depart: Sat Oct 24 2015 Return: Sat Oct 31 2015 Trip spans 8 days
Turkish Airlines
Turkish Airlines
LAX
LIS
31h 45m
1 stop
LIS
LAX
32h 30m
1 stop
Depart: Thu Oct 15 2015 Return: Sat Oct 24 2015 Trip spans 10 days
Turkish Airlines
Turkish Airlines
HOU
LIS
31h 55m
1 stop
LIS
HOU
33h 55m
1 stop
Depart: Tue May 12 2015 Return: Thu May 21 2015 Trip spans 10 days
US Airways
US Airways
ATL
LIS
10h 50m
1 stop
LIS
ATL
16h 43m
1 stop
Depart: Tue Apr 21 2015 Return: Wed May 6 2015 Trip spans 16 days
United
United
EWR
LIS
7h 10m
nonstop
LIS
EWR
8h 05m
nonstop
Depart: Wed Apr 29 2015 Return: Mon May 11 2015 Trip spans 13 days
US Airways
US Airways
PHL
LIS
7h 05m
nonstop
LIS
PHL
8h 00m
nonstop
Depart: Sat Aug 22 2015 Return: Sat Aug 29 2015 Trip spans 8 days
US Airways
US Airways
DCA
LIS
19h 15m
2 stops
LIS
DCA
16h 33m
1 stop
Depart: Fri Sep 11 2015 Return: Mon Sep 21 2015 Trip spans 11 days
US Airways
US Airways
MSP
LIS
15h 53m
2 stops
LIS
MSP
18h 48m
2 stops
Depart: Tue May 5 2015 Return: Tue May 12 2015 Trip spans 8 days
US Airways
US Airways
RDU
LIS
14h 36m
1 stop
LIS
RDU
15h 56m
1 stop
Depart: Mon Jun 8 2015 Return: Mon Jun 22 2015 Trip spans 15 days
Aer Lingus
Aer Lingus
JFK
FAO
18h 15m
1 stop
FAO
JFK
21h 20m
1 stop
Depart: Sun Sep 20 2015 Return: Sun Sep 27 2015 Trip spans 8 days
Norwegian
Norwegian
FLL
LIS
31h 10m
1 stop
LIS
FLL
14h 45m
1 stop
Depart: Sat May 9 2015 Return: Sat May 16 2015 Trip spans 8 days
TAP Portugal
TAP Portugal
MIA
LIS
8h 20m
nonstop
LIS
MIA
9h 25m
nonstop
Depart: Wed Sep 16 2015 Return: Wed Sep 23 2015 Trip spans 8 days
Major Airline
Major Airline
BWI
LIS
21h 00m
1 stop
LIS
BWI
13h 00m
1 stop
Airports
Origin

New York
$598
Raleigh
$890
Chicago
$624
Fort Lauderdale
$898
Washington
only $715
only $885
Miami
$916
Baltimore
$927
Minneapolis
$888
Atlanta
$871
Los Angeles
$760
Newark
$875
Philadelphia
$875
Houston
$861
Boston
$422
Destination

Porto
$598
Lisbon
$479
Faro
$896
Ponta Delgada (Açores)
$422