Find Cheap Flights from Portugal to San Francisco

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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Book cheap flights from Portugal to San Francisco

(Round-trip)
Depart: Mon Oct 16 2017 Return: Mon Nov 13 2017 Trip spans 29 days
British Airways
British Airways
LIS
SFO
27h 30m
1 stop
SFO
LIS
17h 55m
1 stop
Depart: Tue May 16 2017 Return: Tue Jun 6 2017 Trip spans 22 days
Turkish Airlines
Turkish Airlines
LIS
SFO
37h 00m
1 stop
SFO
LIS
36h 40m
1 stop
Depart: Mon Jun 5 2017 Return: Sun Jun 11 2017 Trip spans 7 days
British Airways
British Airways
LIS
SFO
17h 13m
1 stop
SFO
LIS
22h 35m
1 stop
Depart: Wed Sep 13 2017 Return: Mon Sep 25 2017 Trip spans 13 days
British Airways
British Airways
LIS
SFO
19h 39m
2 stops
SFO
LIS
21h 40m
2 stops
Depart: Mon Jun 19 2017 Return: Mon Jun 26 2017 Trip spans 8 days
British Airways
British Airways
LIS
SFO
19h 41m
1 stop
SFO
LIS
19h 15m
1 stop
Depart: Fri Jul 21 2017 Return: Sat Jul 29 2017 Trip spans 9 days
$1216
Select
British Airways
British Airways
LIS
SFO
19h 41m
1 stop
SFO
LIS
19h 15m
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.

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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.

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Airports
Origin

Lisbon
$602
Destination

San Francisco
$602