Find Cheap Flights to Portugal

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 to

(Round-trip)
Depart: Thu May 11 2017 Return: Thu Jun 1 2017 Trip spans 22 days
TAP Portugal
TAP Portugal
MIA
LIS
8h 10m
nonstop
LIS
MIA
9h 15m
nonstop
Depart: Mon Mar 6 2017 Return: Tue Mar 14 2017 Trip spans 8 days
Major Airline
Major Airline
JFK
LIS
34h 40m
1 stop
LIS
JFK
35h 55m
1 stop
Depart: Mon Mar 6 2017 Return: Mon Mar 13 2017 Trip spans 7 days
Royal Air Maroc
Royal Air Maroc
JFK
LIS
13h 55m
1 stop
LIS
JFK
30h 50m
1 stop
Depart: Wed Mar 22 2017 Return: Wed Mar 29 2017 Trip spans 8 days
British Airways
British Airways
BOS
LIS
20h 45m
1 stop
LIS
BOS
12h 15m
1 stop
Depart: Sat May 6 2017 Return: Sun May 14 2017 Trip spans 9 days
Iberia
Iberia
BOS
OPO
18h 00m
1 stop
OPO
BOS
11h 35m
1 stop
Depart: Sun Mar 5 2017 Return: Tue Mar 7 2017 Trip spans 3 days
Azores Airlines
Azores Airlines
BOS
PDL
4h 45m
nonstop
PDL
BOS
5h 45m
nonstop
Depart: Thu Mar 16 2017 Return: Mon May 1 2017 Trip spans 47 days
Air Europa
Air Europa
MIA
LIS
12h 00m
1 stop
LIS
MIA
12h 25m
1 stop
Depart: Mon Aug 28 2017 Return: Fri Sep 15 2017 Trip spans 19 days
American Airlines
American Airlines
LGA
OPO
17h 45m
2 stops
OPO
LGA
17h 13m
2 stops
Depart: Tue Jul 4 2017 Return: Tue Jul 11 2017 Trip spans 8 days
Air Canada
Air Canada
BOS
LIS
14h 50m
2 stops
LIS
BOS
14h 36m
1 stop
Depart: Fri Feb 24 2017 Return: Tue Feb 28 2017 Trip spans 5 days
Turkish Airlines
Turkish Airlines
BOS
LIS
35h 30m
1 stop
LIS
BOS
31h 30m
1 stop
Depart: Tue Mar 14 2017 Return: Wed Mar 22 2017 Trip spans 9 days
Brussels Airlines
Brussels Airlines
FLL
LIS
22h 24m
2 stops
LIS
FLL
32h 38m
2 stops
Depart: Mon Jul 10 2017 Return: Wed Aug 2 2017 Trip spans 24 days
Air France
Air France
BOS
OPO
15h 55m
1 stop
OPO
BOS
11h 40m
1 stop
Depart: Tue Apr 4 2017 Return: Tue Apr 18 2017 Trip spans 15 days
United
United
EWR
LIS
16h 45m
1 stop
LIS
EWR
31h 30m
1 stop
Depart: Fri Jun 2 2017 Return: Tue Jun 13 2017 Trip spans 12 days
Delta
Delta
MIA
LIS
13h 55m
1 stop
LIS
MIA
15h 50m
1 stop
Depart: Thu Mar 16 2017 Return: Sat Mar 25 2017 Trip spans 10 days
Lufthansa
Lufthansa
BOS
LIS
11h 55m
1 stop
LIS
BOS
17h 30m
1 stop
Depart: Mon Jul 3 2017 Return: Tue Jul 11 2017 Trip spans 9 days
KLM
KLM
SFO
LIS
20h 00m
1 stop
LIS
SFO
18h 19m
1 stop
Depart: Sat Apr 1 2017 Return: Mon Apr 10 2017 Trip spans 10 days
Major Airline
Major Airline
JFK
LIS
17h 05m
1 stop
LIS
JFK
24h 00m
1 stop
Depart: Mon Apr 3 2017 Return: Wed Apr 12 2017 Trip spans 10 days
Royal Air Maroc
Royal Air Maroc
JFK
LIS
31h 20m
1 stop
LIS
JFK
29h 25m
1 stop
Depart: Tue May 9 2017 Return: Thu May 18 2017 Trip spans 10 days
British Airways
British Airways
BOS
LIS
22h 35m
1 stop
LIS
BOS
25h 10m
1 stop
Depart: Tue Apr 4 2017 Return: Thu Apr 20 2017 Trip spans 17 days
Major Airline
Major Airline
JFK
LIS
38h 40m
1 stop
LIS
JFK
35h 00m
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.

^ The fares displayed in KAYAK ads found on other sites include all taxes and fees for economy class travel and were found by KAYAK users in the last 72 hours. Seats are limited and may not be available on all flights and days. Fares are subject to change and may not be available on all flights or dates of travel. Some carriers charge additional fees for extra checked bags. Please check the carriers' sites.
Airports
Origin

San Francisco
$613
New York
only $487
only $397
Fort Lauderdale
$551
Newark
$570
Miami
$384
Boston
$404
Destination

Porto
$422
Lisbon
$384
Ponta Delgada (Açores)
$463