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
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: Mon Sep 11 2017 Return: Mon Sep 18 2017 Trip spans 8 days
Air France
Air France
LIS
JFK
18h 20m
1 stop
JFK
LIS
13h 15m
1 stop
Depart: Wed May 31 2017 Return: Sat Jun 10 2017 Trip spans 11 days
Major Airline
Major Airline
LIS
ORD
36h 05m
1 stop
ORD
LIS
35h 10m
1 stop
Depart: Thu Sep 14 2017 Return: Mon Sep 25 2017 Trip spans 12 days
Air Europa
Air Europa
OPO
JFK
11h 30m
1 stop
JFK
OPO
11h 55m
1 stop
Depart: Mon Jul 17 2017 Return: Sun Jul 23 2017 Trip spans 7 days
Royal Air Maroc
Royal Air Maroc
OPO
JFK
12h 35m
1 stop
JFK
OPO
14h 45m
1 stop
Depart: Tue Apr 25 2017 Return: Mon May 1 2017 Trip spans 7 days
United
United
LIS
EWR
8h 15m
nonstop
EWR
LIS
32h 45m
1 stop
Depart: Wed May 17 2017 Return: Wed May 31 2017 Trip spans 15 days
Lufthansa
Lufthansa
LIS
EWR
7h 55m
nonstop
EWR
LIS
6h 55m
nonstop
Depart: Fri Mar 31 2017 Return: Sun Apr 2 2017 Trip spans 3 days
Turkish Airlines
Turkish Airlines
OPO
JFK
39h 00m
1 stop
JFK
OPO
35h 10m
1 stop
Depart: Mon May 29 2017 Return: Thu Jun 8 2017 Trip spans 11 days
Brussels Airlines
Brussels Airlines
LIS
JFK
29h 15m
1 stop
JFK
LIS
19h 45m
1 stop
Depart: Sat May 20 2017 Return: Sun May 28 2017 Trip spans 9 days
KLM
KLM
OPO
EWR
23h 55m
1 stop
EWR
OPO
11h 44m
1 stop
Depart: Thu May 25 2017 Return: Wed Jun 7 2017 Trip spans 14 days
Delta
Delta
LIS
MIA
19h 25m
1 stop
MIA
LIS
18h 15m
2 stops
Depart: Wed Apr 26 2017 Return: Tue May 9 2017 Trip spans 14 days
Air Canada
Air Canada
LIS
LGA
16h 31m
2 stops
LGA
LIS
16h 00m
2 stops
Depart: Thu Jun 8 2017 Return: Sun Jun 11 2017 Trip spans 4 days
SWISS
SWISS
LIS
JFK
14h 50m
1 stop
JFK
LIS
13h 40m
1 stop
Depart: Sun Aug 6 2017 Return: Tue Aug 29 2017 Trip spans 24 days
Azores Airlines
Azores Airlines
LIS
BOS
7h 30m
nonstop
BOS
LIS
6h 15m
nonstop
Depart: Wed Mar 29 2017 Return: Mon Apr 10 2017 Trip spans 13 days
TAP Portugal
TAP Portugal
LIS
MIA
9h 15m
nonstop
MIA
LIS
8h 10m
nonstop
Depart: Thu Aug 10 2017 Return: Fri Aug 25 2017 Trip spans 16 days
Finnair
Finnair
LIS
MIA
13h 25m
1 stop
MIA
LIS
19h 30m
1 stop
Depart: Mon May 22 2017 Return: Tue Jun 6 2017 Trip spans 16 days
British Airways
British Airways
LIS
FLL
14h 37m
1 stop
FLL
LIS
20h 35m
2 stops
Depart: Mon May 29 2017 Return: Fri Jun 9 2017 Trip spans 12 days
American Airlines
American Airlines
LIS
LGA
14h 14m
1 stop
LGA
LIS
13h 10m
2 stops
Depart: Mon Sep 11 2017 Return: Mon Sep 18 2017 Trip spans 8 days
Air France
Air France
LIS
EWR
15h 22m
1 stop
EWR
LIS
13h 12m
1 stop
Depart: Sat Apr 8 2017 Return: Wed Apr 19 2017 Trip spans 12 days
Major Airline
Major Airline
LIS
IAD
18h 00m
1 stop
IAD
LIS
12h 20m
1 stop
Depart: Sat Sep 2 2017 Return: Tue Sep 12 2017 Trip spans 11 days
Air Europa
Air Europa
OPO
MIA
12h 40m
1 stop
MIA
OPO
12h 30m
1 stop
* 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
$432
Lisbon
$416
Destination

New York
only $500
only $416
Chicago
$423
Fort Lauderdale
$710
Newark
$416
Washington
$444
Miami
$450
Boston
$587