Find Deals on Flights from San Francisco 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
Students
under 26
The price shown for each flight will be the average for all passengers including any infants.
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Book cheap flights from San Francisco to Portugal

(Round-trip)
Depart: Sun Mar 12 2017 Return: Tue Mar 21 2017 Trip spans 9 days
British Airways
British Airways
SFO
LIS
16h 15m
1 stop
LIS
SFO
19h 05m
1 stop
Depart: Sat Apr 8 2017 Return: Mon Apr 17 2017 Trip spans 10 days
Turkish Airlines
Turkish Airlines
SFO
LIS
36h 40m
1 stop
LIS
SFO
32h 45m
1 stop
Depart: Sun Jul 23 2017 Return: Thu Aug 3 2017 Trip spans 12 days
American Airlines
American Airlines
SFO
LIS
14h 50m
1 stop
LIS
SFO
19h 02m
1 stop
Depart: Wed Jul 19 2017 Return: Wed Aug 9 2017 Trip spans 22 days
Air France
Air France
SFO
OPO
16h 40m
1 stop
OPO
SFO
15h 25m
1 stop
Depart: Mon Jun 26 2017 Return: Sat Jul 8 2017 Trip spans 13 days
Major Airline
Major Airline
SFO
OPO
19h 40m
2 stops
OPO
SFO
25h 13m
2 stops
Depart: Fri Jun 16 2017 Return: Mon Jun 26 2017 Trip spans 11 days
KLM
KLM
SFO
FAO
23h 55m
2 stops
FAO
SFO
20h 47m
2 stops
Depart: Wed Apr 12 2017 Return: Wed Apr 19 2017 Trip spans 8 days
TAP Portugal
TAP Portugal
SFO
FAO
28h 00m
2 stops
FAO
SFO
38h 03m
2 stops
Depart: Fri Jun 30 2017 Return: Sun Jul 9 2017 Trip spans 10 days
$1180
Select
Delta
Delta
SFO
LIS
36h 10m
1 stop
LIS
SFO
20h 20m
1 stop
Depart: Tue Apr 18 2017 Return: Thu May 4 2017 Trip spans 17 days
Turkish Airlines
Turkish Airlines
SFO
OPO
36h 25m
1 stop
OPO
SFO
32h 55m
1 stop
Depart: Tue May 30 2017 Return: Tue Jun 13 2017 Trip spans 15 days
British Airways
British Airways
SFO
LIS
19h 25m
1 stop
LIS
SFO
16h 29m
1 stop
Depart: Wed Feb 15 2017 Return: Thu Feb 23 2017 Trip spans 9 days
Turkish Airlines
Turkish Airlines
SFO
LIS
37h 10m
1 stop
LIS
SFO
37h 00m
1 stop
Depart: Thu Apr 6 2017 Return: Tue Apr 18 2017 Trip spans 13 days
Turkish Airlines
Turkish Airlines
SFO
LIS
32h 20m
1 stop
LIS
SFO
37h 00m
1 stop
Depart: Fri Jul 14 2017 Return: Mon Jul 24 2017 Trip spans 11 days
Major Airline
Major Airline
SFO
OPO
23h 10m
2 stops
OPO
SFO
39h 13m
2 stops
Depart: Tue May 30 2017 Return: Sat Jun 17 2017 Trip spans 19 days
British Airways
British Airways
SFO
LIS
14h 50m
1 stop
LIS
SFO
15h 10m
1 stop
Depart: Thu Mar 30 2017 Return: Tue Apr 11 2017 Trip spans 13 days
Turkish Airlines
Turkish Airlines
SFO
OPO
36h 25m
1 stop
OPO
SFO
36h 15m
1 stop
Depart: Tue May 2 2017 Return: Wed Jun 7 2017 Trip spans 37 days
KLM
KLM
SFO
FAO
18h 25m
1 stop
FAO
SFO
22h 40m
2 stops
Depart: Tue Jun 6 2017 Return: Tue Jun 20 2017 Trip spans 15 days
British Airways
British Airways
SFO
LIS
14h 50m
1 stop
LIS
SFO
16h 29m
1 stop
Depart: Tue Jan 31 2017 Return: Sun Feb 5 2017 Trip spans 6 days
Turkish Airlines
Turkish Airlines
SFO
LIS
37h 10m
1 stop
LIS
SFO
37h 00m
1 stop
Depart: Wed Mar 29 2017 Return: Sun Apr 2 2017 Trip spans 5 days
KLM
KLM
SFO
FAO
20h 15m
1 stop
FAO
SFO
24h 05m
1 stop
Depart: Tue Jun 13 2017 Return: Tue Jun 27 2017 Trip spans 15 days
British Airways
British Airways
SFO
LIS
19h 00m
1 stop
LIS
SFO
16h 29m
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

San Francisco
$560
Destination

Porto
$611
Lisbon
$560
Faro
$811