
Flight Deals from Porto to San Francisco from $483
Top flight deals from leading airlines:







... and +100s more
Save up to 50% on select flights with Priceline
Save an average of $240 per person when bundling your flight and hotel together with Priceline
If a VIP member finds a better price elsewhere, we'll refund up to 200% of the difference
We’re always here for you - reach us 24 hours a day, 7 days a week
Stops
- Up to 1 stop$1008
- Up to 2 stops$948
Airlines
- Air Canada$948
- Air France$1310
- American Airlines$1075
- KLM$1379
- SWISS$1090
- Turkish Airlines$1499
- United Airlines$1008
Cabin Class
- Economy$948
Departure Airports
- Francisco de Sá Carneiro Airport$948
Arrival Airports
- San Francisco International Airport$948
Layover Airports
- Adolfo Suárez Madrid–Barajas Airport$1075
- Amsterdam Airport Schiphol$1310
- Chicago O Hare Airport$1075
- Dallas Fort Worth International Airport$1075
- Frankfurt am Main Airport$948
- Istanbul Airport$1499
- Los Angeles International Airport$953
- Montreal Trudeau Airport$1281
- Newark Liberty Airport$948
- Paris Charles de Gaulle Airport$1310
- Philadelphia International Airport$1191
- Toronto Pearson Airport$1632
- Vancouver International Airport$948
- Zürich Airport$1008
Best Price. GUARANTEED.
Exclusively for Priceline Members
Tired of searching? Book now!
We'll refund the difference if you find a lower price.

07/25/25
07/25/25

08/01/25
08/03/25

07/25/25
07/25/25

08/01/25
08/03/25

07/25/25
07/25/25

08/01/25
08/03/25

07/25/25
07/25/25

08/01/25
08/03/25

07/25/25
07/25/25

08/01/25
08/03/25

07/25/25
07/25/25

08/01/25
08/03/25

07/25/25
07/25/25

08/01/25
08/03/25

07/25/25
07/25/25

08/01/25
08/03/25

07/25/25
07/26/25

08/01/25
08/03/25

07/25/25
07/26/25

08/01/25
08/03/25

07/25/25
07/26/25

08/01/25
08/02/25

07/25/25
07/25/25

08/01/25
08/02/25

07/25/25
07/25/25

08/01/25
08/02/25

07/25/25
07/25/25

08/01/25
08/03/25

07/25/25
07/25/25

08/01/25
08/02/25

07/25/25
07/25/25

08/01/25
08/02/25

07/25/25
07/25/25

08/01/25
08/03/25

07/25/25
07/26/25

08/01/25
08/03/25

07/25/25
07/25/25

08/01/25
08/02/25

07/25/25
07/26/25

08/01/25
08/03/25

07/25/25
07/26/25

08/01/25
08/02/25

07/25/25
07/26/25

08/01/25
08/02/25

07/25/25
07/26/25

08/01/25
08/02/25

07/25/25
07/26/25

08/01/25
08/02/25

07/25/25
07/26/25

08/01/25
08/02/25

07/25/25
07/26/25

08/01/25
08/02/25

07/25/25
07/26/25

08/01/25
08/02/25

07/25/25
07/25/25

08/01/25
08/03/25

07/25/25
07/25/25

08/01/25
08/03/25

07/25/25
07/25/25

08/01/25
08/03/25
Top Deals on flights from Porto to San Francisco
Porto, PT (OPO) - San Francisco, US (SFO)

Oct 1
Oct 2
as low as
$483
Porto, PT (OPO) - San Francisco, US (SFO)

Dec 4
Dec 5
as low as
$511
Porto, PT (OPO) - San Francisco, US (SFO)

Aug 27
Aug 28
as low as
$534
Porto, PT (OPO) - San Francisco, US (SFO)

Dec 11
Dec 11
as low as
$589
Porto, PT (OPO) - San Francisco, US (SFO)

Sep 8
Sep 9
as low as
$595
Porto, PT (OPO) - San Francisco, US (SFO)

Aug 28
Aug 28
as low as
$636
Porto, PT (OPO) - San Francisco, US (SFO)

Dec 3
Dec 4
as low as
$642
Porto, PT (OPO) - San Francisco, US (SFO)

Aug 28
Aug 28
as low as
$646
Porto, PT (OPO) - San Francisco, US (SFO)

Oct 1
Oct 1
as low as
$647
Porto, PT (OPO) - San Francisco, US (SFO)

Sep 8
Sep 9
as low as
$661
Porto, PT (OPO) - San Francisco, US (SFO)

Oct 14
Oct 16
as low as
$693
Porto, PT (OPO) - San Francisco, US (SFO)

Aug 28
Aug 29
as low as
$705
Flights to San Francisco
- Flights
- North America
- United States
- California
- San Francisco