Find Cheap 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: Tue Oct 3 2017 Return: Tue Oct 10 2017 Trip spans 8 days
British Airways
British Airways
OPO
JFK
27h 45m
1 stop
JFK
OPO
14h 20m
1 stop
Depart: Mon Sep 18 2017 Return: Thu Sep 28 2017 Trip spans 11 days
Air France
Air France
LIS
MIA
16h 40m
1 stop
MIA
LIS
17h 25m
1 stop
Depart: Wed Sep 13 2017 Return: Thu Sep 21 2017 Trip spans 9 days
KLM
KLM
OPO
EWR
18h 06m
1 stop
EWR
OPO
23h 16m
1 stop
Depart: Mon Nov 6 2017 Return: Fri Nov 10 2017 Trip spans 5 days
TAP Portugal
TAP Portugal
LIS
JFK
8h 25m
nonstop
JFK
LIS
6h 40m
nonstop
Depart: Wed Oct 4 2017 Return: Tue Oct 24 2017 Trip spans 21 days
Finnair
Finnair
LIS
EWR
13h 35m
1 stop
EWR
LIS
20h 25m
1 stop
Depart: Mon Oct 2 2017 Return: Tue Oct 10 2017 Trip spans 9 days
United
United
LIS
LGA
16h 07m
1 stop
LGA
LIS
15h 50m
2 stops
Depart: Sun Jul 9 2017 Return: Sun Jul 30 2017 Trip spans 22 days
Royal Air Maroc
Royal Air Maroc
OPO
JFK
12h 35m
1 stop
JFK
OPO
28h 50m
1 stop
Depart: Wed Sep 20 2017 Return: Wed Sep 27 2017 Trip spans 8 days
Delta
Delta
OPO
LGA
17h 30m
2 stops
LGA
OPO
18h 30m
2 stops
Depart: Thu Jun 15 2017 Return: Mon Jun 19 2017 Trip spans 5 days
Major Airline
Major Airline
OPO
JFK
11h 20m
1 stop
JFK
OPO
9h 45m
1 stop
Depart: Tue May 30 2017 Return: Tue Jun 6 2017 Trip spans 8 days
Turkish Airlines
Turkish Airlines
LIS
MIA
32h 15m
1 stop
MIA
LIS
36h 50m
1 stop
Depart: Sat Aug 26 2017 Return: Sun Aug 27 2017 Trip spans 2 days
American Airlines
American Airlines
LIS
DCA
14h 20m
1 stop
DCA
LIS
14h 45m
2 stops
Depart: Wed Jun 7 2017 Return: Mon Jun 19 2017 Trip spans 13 days
Air Canada
Air Canada
LIS
LGA
14h 15m
2 stops
LGA
LIS
11h 15m
1 stop
Depart: Fri Jun 9 2017 Return: Wed Jun 21 2017 Trip spans 13 days
Lufthansa
Lufthansa
LIS
EWR
7h 55m
nonstop
EWR
LIS
6h 55m
nonstop
Depart: Wed Jul 5 2017 Return: Fri Jul 14 2017 Trip spans 10 days
Brussels Airlines
Brussels Airlines
LIS
MIA
28h 28m
2 stops
MIA
LIS
25h 50m
2 stops
Depart: Tue Sep 12 2017 Return: Mon Oct 2 2017 Trip spans 21 days
British Airways
British Airways
LIS
JFK
20h 00m
1 stop
JFK
LIS
19h 40m
1 stop
Depart: Thu Nov 16 2017 Return: Mon Nov 27 2017 Trip spans 12 days
Air France
Air France
LIS
MIA
17h 10m
1 stop
MIA
LIS
13h 05m
1 stop
Depart: Fri Nov 24 2017 Return: Sun Dec 3 2017 Trip spans 10 days
TAP Portugal
TAP Portugal
LIS
JFK
8h 25m
nonstop
JFK
LIS
6h 40m
nonstop
Depart: Thu Oct 19 2017 Return: Thu Oct 26 2017 Trip spans 8 days
KLM
KLM
OPO
MIA
24h 02m
2 stops
MIA
OPO
25h 40m
2 stops
Depart: Wed Oct 4 2017 Return: Tue Oct 10 2017 Trip spans 7 days
Finnair
Finnair
LIS
EWR
13h 35m
1 stop
EWR
LIS
23h 35m
1 stop
Depart: Mon Oct 2 2017 Return: Mon Oct 9 2017 Trip spans 8 days
Air France
Air France
LIS
MIA
15h 50m
1 stop
MIA
LIS
21h 45m
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
$352
Lisbon
$359
Destination

New York
only $441
only $352
Newark
$367
Washington
$606
Miami
$359