Find Deals on Flights from Portugal to United States

Depart
Return
1 adult
Adults
18-64
Seniors
65+
Youths
12-17
Children
2-11
Seat Infants
under 2
Lap Infants
under 2
Students
under 26
The price shown for each flight will be the average for all passengers including any infants.
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Dates flexible? Here are the best fares found in the past 48 hours...

Book cheap flights from Portugal to United States

(Round-trip)
Depart: Fri Feb 10 2017 Return: Sat Feb 18 2017 Trip spans 9 days
KLM
KLM
LIS
EWR
15h 43m
1 stop
EWR
LIS
15h 31m
1 stop
Depart: Mon Dec 12 2016 Return: Wed Jan 11 2017 Trip spans 31 days
British Airways
British Airways
OPO
JFK
29h 45m
1 stop
JFK
OPO
11h 35m
1 stop
Depart: Thu Apr 6 2017 Return: Mon Apr 17 2017 Trip spans 12 days
Delta
Delta
LIS
JFK
19h 20m
1 stop
JFK
LIS
14h 55m
1 stop
Depart: Thu Mar 9 2017 Return: Mon Apr 3 2017 Trip spans 25 days
Air France
Air France
LIS
JFK
12h 19m
1 stop
JFK
LIS
11h 30m
1 stop
Depart: Sat Jan 21 2017 Return: Sat Jan 28 2017 Trip spans 8 days
Lufthansa
Lufthansa
LIS
EWR
8h 35m
nonstop
EWR
LIS
6h 50m
nonstop
Depart: Sat Jan 28 2017 Return: Fri Feb 3 2017 Trip spans 7 days
United
United
LIS
EWR
8h 35m
nonstop
EWR
LIS
6h 50m
nonstop
Depart: Tue Jan 31 2017 Return: Tue Feb 7 2017 Trip spans 8 days
TAP Portugal
TAP Portugal
LIS
MIA
9h 30m
nonstop
MIA
LIS
8h 05m
nonstop
Depart: Fri Dec 9 2016 Return: Wed Dec 14 2016 Trip spans 6 days
Air Europa
Air Europa
LIS
JFK
11h 40m
1 stop
JFK
LIS
12h 05m
1 stop
Depart: Sun Apr 2 2017 Return: Thu Apr 13 2017 Trip spans 12 days
Iberia
Iberia
OPO
JFK
11h 45m
1 stop
JFK
OPO
14h 30m
1 stop
Depart: Fri Jan 13 2017 Return: Sat Jan 14 2017 Trip spans 2 days
American Airlines
American Airlines
LIS
DCA
15h 29m
2 stops
DCA
LIS
19h 50m
2 stops
Depart: Fri Feb 17 2017 Return: Sun Feb 26 2017 Trip spans 10 days
Major Airline
Major Airline
LIS
JFK
8h 25m
nonstop
JFK
LIS
6h 40m
nonstop
Depart: Thu Jan 19 2017 Return: Mon Mar 6 2017 Trip spans 47 days
SWISS
SWISS
OPO
EWR
24h 40m
1 stop
EWR
OPO
16h 30m
1 stop
Depart: Sat May 13 2017 Return: Sun May 21 2017 Trip spans 9 days
Turkish Airlines
Turkish Airlines
OPO
JFK
35h 40m
1 stop
JFK
OPO
35h 05m
1 stop
Depart: Thu May 25 2017 Return: Tue May 30 2017 Trip spans 6 days
Aer Lingus
Aer Lingus
LIS
BOS
12h 15m
1 stop
BOS
LIS
19h 20m
1 stop
Depart: Sun Jan 22 2017 Return: Sun Jan 29 2017 Trip spans 8 days
KLM
KLM
LIS
JFK
19h 30m
1 stop
JFK
LIS
11h 55m
1 stop
Depart: Tue Apr 4 2017 Return: Wed Apr 26 2017 Trip spans 23 days
Air France
Air France
LIS
EWR
15h 20m
1 stop
EWR
LIS
18h 50m
1 stop
Depart: Sun Apr 2 2017 Return: Tue Apr 11 2017 Trip spans 10 days
Delta
Delta
LIS
JFK
19h 20m
1 stop
JFK
LIS
32h 20m
1 stop
Depart: Mon Mar 6 2017 Return: Mon Apr 3 2017 Trip spans 28 days
United
United
LIS
EWR
8h 35m
nonstop
EWR
LIS
6h 55m
nonstop
Depart: Mon Dec 5 2016 Return: Fri Dec 9 2016 Trip spans 5 days
Lufthansa
Lufthansa
LIS
EWR
8h 35m
nonstop
EWR
LIS
6h 50m
nonstop
Depart: Mon Dec 12 2016 Return: Wed Jan 11 2017 Trip spans 31 days
British Airways
British Airways
OPO
EWR
25h 25m
2 stops
EWR
OPO
16h 20m
2 stops
* Prices are per person and are for e–tickets and include all taxes & fees in USD.

We attempt to get accurate prices, however, prices are not guaranteed.

Here's why:

We’re not the seller.
At KAYAK we don’t set the prices, so it’s not possible for us to guarantee what other companies are selling.

We compile tonnes of data for you
Our service lets you quickly and easily compare results from hundreds of travel sites at once. In this sense, KAYAK is a search engine and we can't guarantee prices we find.

Why aren’t prices accurate 100% of the time?
Prices on airline seats, hotel rooms and car rentals can change frequently. Several people may also be trying to buy the same travel option simultaneously. As a result, you may find, on occasion, that certain prices are no longer available.

If you have more questions or if you have a bad price to report to us,
please send us an email and someone from our team will get back to you promptly.

Airports
Origin

Porto
$423
Lisbon
$389
Destination

New York
$413
Newark
$389
Washington
$456
Miami
$430
Boston
$600