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.
Compare vs. KAYAK all | none
Browse Origins:

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 May 1 2017 Return: Wed May 10 2017 Trip spans 10 days
KLM
KLM
OPO
JFK
26h 40m
1 stop
JFK
OPO
18h 46m
1 stop
Depart: Sat Apr 29 2017 Return: Sat May 13 2017 Trip spans 15 days
Royal Air Maroc
Royal Air Maroc
LIS
JFK
13h 20m
1 stop
JFK
LIS
14h 10m
1 stop
Depart: Tue Apr 25 2017 Return: Tue May 2 2017 Trip spans 8 days
Delta
Delta
LIS
MIA
19h 25m
1 stop
MIA
LIS
12h 35m
1 stop
Depart: Tue Mar 7 2017 Return: Tue Mar 14 2017 Trip spans 7 days
Finnair
Finnair
LIS
JFK
13h 20m
1 stop
JFK
LIS
20h 00m
1 stop
Depart: Thu Feb 23 2017 Return: Mon Feb 27 2017 Trip spans 5 days
Air Europa
Air Europa
LIS
MIA
12h 25m
1 stop
MIA
LIS
12h 00m
1 stop
Depart: Tue Feb 28 2017 Return: Sun Mar 5 2017 Trip spans 6 days
Air France
Air France
LIS
EWR
16h 08m
1 stop
EWR
LIS
15h 09m
1 stop
Depart: Thu Mar 9 2017 Return: Thu Mar 16 2017 Trip spans 7 days
British Airways
British Airways
LIS
BOS
13h 40m
1 stop
BOS
LIS
16h 00m
1 stop
Depart: Thu Jun 1 2017 Return: Thu Jun 8 2017 Trip spans 8 days
Major Airline
Major Airline
LIS
EWR
26h 10m
1 stop
EWR
LIS
16h 55m
1 stop
Depart: Tue Mar 7 2017 Return: Mon Mar 13 2017 Trip spans 6 days
Lufthansa
Lufthansa
OPO
EWR
15h 20m
1 stop
EWR
OPO
12h 05m
1 stop
Depart: Thu Apr 6 2017 Return: Wed May 31 2017 Trip spans 56 days
American Airlines
American Airlines
LIS
LGA
13h 39m
1 stop
LGA
LIS
10h 30m
1 stop
Depart: Sun Mar 5 2017 Return: Wed Mar 8 2017 Trip spans 4 days
Turkish Airlines
Turkish Airlines
LIS
IAD
36h 35m
1 stop
IAD
LIS
35h 25m
1 stop
Depart: Thu Apr 6 2017 Return: Sun Apr 9 2017 Trip spans 4 days
SWISS
SWISS
LIS
EWR
27h 25m
1 stop
EWR
LIS
21h 20m
1 stop
Depart: Mon May 29 2017 Return: Mon Jun 5 2017 Trip spans 8 days
United
United
LIS
LGA
11h 30m
1 stop
LGA
LIS
10h 10m
1 stop
Depart: Wed Jun 28 2017 Return: Mon Jul 3 2017 Trip spans 6 days
Azores Airlines
Azores Airlines
LIS
BOS
7h 30m
nonstop
BOS
LIS
8h 50m
1 stop
Depart: Tue Aug 29 2017 Return: Tue Sep 5 2017 Trip spans 8 days
Aer Lingus
Aer Lingus
LIS
JFK
20h 00m
1 stop
JFK
LIS
19h 50m
1 stop
Depart: Mon Apr 3 2017 Return: Wed Apr 19 2017 Trip spans 17 days
Brussels Airlines
Brussels Airlines
LIS
MCO
35h 59m
2 stops
MCO
LIS
25h 05m
2 stops
Depart: Sun Jul 30 2017 Return: Mon Sep 11 2017 Trip spans 44 days
Air Canada
Air Canada
LIS
LGA
13h 50m
1 stop
LGA
LIS
14h 55m
2 stops
Depart: Wed May 3 2017 Return: Wed May 10 2017 Trip spans 8 days
KLM
KLM
OPO
EWR
25h 15m
1 stop
EWR
OPO
21h 24m
1 stop
Depart: Wed Mar 29 2017 Return: Tue Apr 4 2017 Trip spans 7 days
TAP Portugal
TAP Portugal
LIS
EWR
8h 05m
nonstop
EWR
LIS
6h 50m
nonstop
Depart: Fri Apr 14 2017 Return: Mon Apr 17 2017 Trip spans 4 days
Royal Air Maroc
Royal Air Maroc
LIS
JFK
29h 25m
1 stop
JFK
LIS
31h 20m
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
$380
Lisbon
$410
Destination

New York
only $510
only $380
Orlando
$674
Newark
$381
Washington
$530
Miami
$425
Boston
$456