Find Deals on 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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Dates flexible? Here are the best fares found in the past 48 hours...

Book cheap flights from Portugal to San Francisco

(Round-trip)
Depart: Sun May 7 2017 Return: Fri May 12 2017 Trip spans 6 days
Turkish Airlines
Turkish Airlines
LIS
SFO
32h 45m
1 stop
SFO
LIS
36h 40m
1 stop
Depart: Tue Mar 7 2017 Return: Tue Mar 14 2017 Trip spans 7 days
British Airways
British Airways
LIS
SFO
19h 05m
1 stop
SFO
LIS
17h 55m
1 stop
Depart: Fri Aug 25 2017 Return: Mon Sep 11 2017 Trip spans 18 days
Delta
Delta
LIS
SFO
19h 45m
2 stops
SFO
LIS
20h 00m
1 stop
Depart: Tue Apr 11 2017 Return: Sun Apr 16 2017 Trip spans 6 days
Turkish Airlines
Turkish Airlines
LIS
SFO
32h 45m
1 stop
SFO
LIS
36h 40m
1 stop
Depart: Tue Feb 28 2017 Return: Mon Mar 6 2017 Trip spans 7 days
British Airways
British Airways
LIS
SFO
26h 55m
1 stop
SFO
LIS
18h 15m
1 stop
Depart: Thu Jul 20 2017 Return: Sun Jul 30 2017 Trip spans 11 days
Turkish Airlines
Turkish Airlines
LIS
SFO
37h 00m
1 stop
SFO
LIS
32h 20m
1 stop
Depart: Tue Jul 25 2017 Return: Tue Aug 15 2017 Trip spans 22 days
Turkish Airlines
Turkish Airlines
LIS
SFO
37h 00m
1 stop
SFO
LIS
32h 20m
1 stop
Depart: Wed Jul 26 2017 Return: Tue Aug 15 2017 Trip spans 21 days
Turkish Airlines
Turkish Airlines
LIS
SFO
37h 00m
1 stop
SFO
LIS
36h 40m
1 stop
Depart: Tue Jul 25 2017 Return: Tue Aug 15 2017 Trip spans 22 days
Turkish Airlines
Turkish Airlines
LIS
SFO
37h 00m
1 stop
SFO
LIS
36h 40m
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

Lisbon
$586
Destination

San Francisco
$586