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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: Tue Jan 20 2015 Return: Tue Jan 27 2015 Trip spans 8 days
SATA International
SATA International
BOS
5:15p
PDL
10:00p
4h 45m
nonstop
PDL
10:00a
BOS
3:45p
5h 45m
nonstop
Depart: Sun Jan 11 2015 Return: Mon Jan 26 2015 Trip spans 16 days
Turkish Airlines
Turkish Airlines
BOS
5:55p
LIS
12:30a
30h 35m
1 stop
LIS
6:30a
BOS
5:35p
35h 05m
1 stop
Depart: Sat Jan 17 2015 Return: Mon Jan 26 2015 Trip spans 10 days
Turkish Airlines
Turkish Airlines
JFK
8:15a
LIS
12:30a
16h 15m
1 stop
LIS
6:30a
JFK
11:45a
29h 15m
1 stop
Depart: Thu Jan 22 2015 Return: Wed Jan 28 2015 Trip spans 7 days
Turkish Airlines
Turkish Airlines
IAD
6:30p
LIS
5:15a
34h 45m
1 stop
LIS
11:15a
IAD
6:25p
31h 10m
1 stop
Depart: Sat Jan 31 2015 Return: Thu Mar 12 2015 Trip spans 40 days
Turkish Airlines
Turkish Airlines
ORD
4:50p
LIS
11:30p
30h 40m
1 stop
LIS
12:15p
ORD
7:50p
31h 35m
1 stop
Depart: Fri May 1 2015 Return: Tue May 12 2015 Trip spans 12 days
Turkish Airlines
Turkish Airlines
JFK
8:50a
OPO
5:20a
20h 30m
1 stop
OPO
11:20a
JFK
12:20p
25h 00m
1 stop
Depart: Mon Apr 27 2015 Return: Thu May 7 2015 Trip spans 11 days
Norwegian
Norwegian
JFK
6:30p
FAO
5:55a
11h 25m
1 stop
FAO
6:05a
JFK
10:00p
15h 55m
1 stop
Depart: Tue Apr 28 2015 Return: Sun May 10 2015 Trip spans 13 days
Turkish Airlines
Turkish Airlines
BOS
7:45p
OPO
5:20a
33h 35m
1 stop
OPO
11:20a
BOS
6:00p
30h 40m
1 stop
Depart: Wed Apr 22 2015 Return: Sat May 2 2015 Trip spans 11 days
Turkish Airlines
Turkish Airlines
HOU
4:00p
LIS
12:30a
32h 30m
1 stop
LIS
7:30a
HOU
8:05p
36h 35m
1 stop
Depart: Wed May 20 2015 Return: Tue Jun 2 2015 Trip spans 14 days
TAP Portugal
TAP Portugal
EWR
1:55p
LIS
9:05p
7h 10m
nonstop
LIS
9:20a
EWR
5:25p
8h 05m
nonstop
Depart: Mon Jan 5 2015 Return: Mon Jan 26 2015 Trip spans 22 days
TAP Portugal
TAP Portugal
EWR
12:15p
OPO
7:20p
7h 05m
nonstop
OPO
6:45a
EWR
3:00p
8h 15m
nonstop
Change your search
Airports
Origin

New York City
$623
Chicago
$623
Newark
$903
Washington
$623
Houston
$768
Boston
$309
Destination

Porto
$679
Lisbon
$623
Faro
$748
Ponta Delgada (Açores)
$309