Find Deals on Flights from United States to Portugal

Depart
Return
1 adult
Adults
18-64
Seniors
65+
Youth
12-17
Child
2-11
Seat Infant
under 2
Lap Infant
under 2
The price shown for each flight will be the average for all passengers including any infants.
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(Round-trip)
Depart: Fri Dec 25 2015 Return: Thu Dec 31 2015 Trip spans 7 days
Finnair
Finnair
JFK
LIS
20h 05m
1 stop
LIS
JFK
13h 25m
1 stop
Depart: Sun Nov 29 2015 Return: Fri Dec 4 2015 Trip spans 6 days
SATA International
SATA International
BOS
PDL
4h 45m
nonstop
PDL
BOS
5h 45m
nonstop
Depart: Sat Nov 21 2015 Return: Sat Nov 28 2015 Trip spans 8 days
Turkish Airlines
Turkish Airlines
JFK
OPO
19h 45m
1 stop
OPO
JFK
25h 30m
1 stop
Depart: Sat Feb 13 2016 Return: Sat Feb 20 2016 Trip spans 8 days
Turkish Airlines
Turkish Airlines
BOS
LIS
30h 30m
1 stop
LIS
BOS
31h 05m
1 stop
Depart: Thu Oct 15 2015 Return: Thu Oct 29 2015 Trip spans 15 days
Turkish Airlines
Turkish Airlines
BOS
OPO
33h 40m
1 stop
OPO
BOS
31h 55m
1 stop
Depart: Thu Nov 12 2015 Return: Fri Nov 20 2015 Trip spans 9 days
Turkish Airlines
Turkish Airlines
ORD
LIS
31h 10m
1 stop
LIS
ORD
31h 40m
1 stop
Depart: Thu Oct 22 2015 Return: Sun Oct 25 2015 Trip spans 4 days
Turkish Airlines
Turkish Airlines
HOU
LIS
31h 45m
1 stop
LIS
HOU
32h 50m
1 stop
Depart: Sun Oct 25 2015 Return: Sun Nov 8 2015 Trip spans 15 days
Turkish Airlines
Turkish Airlines
MIA
LIS
36h 45m
1 stop
LIS
MIA
32h 15m
1 stop
Depart: Wed Nov 11 2015 Return: Wed Nov 18 2015 Trip spans 8 days
Delta
Delta
PHX
LIS
25h 35m
2 stops
LIS
PHX
20h 50m
2 stops
Depart: Thu Nov 26 2015 Return: Mon Nov 30 2015 Trip spans 5 days
Turkish Airlines
Turkish Airlines
IAH
LIS
31h 20m
1 stop
LIS
IAH
37h 40m
1 stop
Depart: Wed Feb 24 2016 Return: Wed Mar 2 2016 Trip spans 8 days
Turkish Airlines
Turkish Airlines
IAD
LIS
30h 05m
1 stop
LIS
IAD
36h 10m
1 stop
Depart: Sun Nov 1 2015 Return: Sun Nov 8 2015 Trip spans 8 days
Delta
Delta
SAN
LIS
24h 50m
2 stops
LIS
SAN
20h 49m
2 stops
Depart: Thu Feb 18 2016 Return: Wed Mar 2 2016 Trip spans 14 days
Delta
Delta
PHL
LIS
23h 30m
2 stops
LIS
PHL
14h 47m
2 stops
Depart: Sat Oct 10 2015 Return: Sun Oct 18 2015 Trip spans 9 days
KLM
KLM
DFW
LIS
17h 10m
1 stop
LIS
DFW
14h 45m
1 stop
Depart: Sat Mar 19 2016 Return: Mon Apr 4 2016 Trip spans 17 days
American Airlines
American Airlines
EWR
LIS
18h 35m
1 stop
LIS
EWR
11h 26m
1 stop
Depart: Thu Feb 11 2016 Return: Tue Feb 16 2016 Trip spans 6 days
Turkish Airlines
Turkish Airlines
LAX
LIS
36h 30m
1 stop
LIS
LAX
37h 20m
1 stop
Depart: Fri Oct 9 2015 Return: Sat Oct 17 2015 Trip spans 9 days
American Airlines
American Airlines
SEA
LIS
13h 10m
1 stop
LIS
SEA
35h 20m
1 stop
Depart: Wed Oct 14 2015 Return: Wed Nov 11 2015 Trip spans 29 days
American Airlines
American Airlines
DEN
LIS
18h 45m
1 stop
LIS
DEN
36h 05m
1 stop
Depart: Tue Oct 27 2015 Return: Thu Nov 5 2015 Trip spans 10 days
American Airlines
American Airlines
SFO
LIS
20h 25m
2 stops
LIS
SFO
19h 00m
1 stop
Depart: Fri Jan 1 2016 Return: Mon Feb 1 2016 Trip spans 32 days
American Airlines
American Airlines
MSP
LIS
19h 59m
2 stops
LIS
MSP
18h 48m
2 stops
Airports
Origin

New York
$238
Seattle
$750
Chicago
$645
Washington
$647
Miami
$647
San Francisco
$765
San Diego
$648
Minneapolis
$766
Phoenix
$647
Los Angeles
$744
Newark
$697
Denver
$754
Dallas
$663
Philadelphia
$648
Houston
only $647
only $647
Boston
$436
Destination

Porto
$595
Lisbon
$238
Ponta Delgada (Açores)
$436