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Flight Deals from Porto to San Francisco from $483

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Save an average of $240 per person when bundling your flight and hotel together with Priceline

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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

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On average save $240 per traveler
Air Canada Logo
Air Canada

07/25/25

OPO
20h 43m
FRA
YVR

07/25/25

SFO
United Airlines Logo
United Airlines

08/01/25

SFO
24h 10m
EWR

08/03/25

OPO
$948
Air Canada Logo
Air Canada

07/25/25

OPO
20h 43m
FRA
YVR

07/25/25

SFO
United Airlines Logo
United Airlines

08/01/25

SFO
25h 27m
LAX
EWR

08/03/25

OPO
$953
Air Canada Logo
Air Canada

07/25/25

OPO
20h 43m
FRA
YVR

07/25/25

SFO
United Airlines Logo
United Airlines

08/01/25

SFO
24h 20m
LAX
EWR

08/03/25

OPO
$958
SWISS Logo
SWISS

07/25/25

OPO
15h 30m
ZRH

07/25/25

SFO
United Airlines Logo
United Airlines

08/01/25

SFO
24h 10m
EWR

08/03/25

OPO
$1008
United Airlines Logo
United Airlines

07/25/25

OPO
16h 44m
EWR

07/25/25

SFO
United Airlines Logo
United Airlines

08/01/25

SFO
24h 10m
EWR

08/03/25

OPO
$1011
United Airlines Logo
United Airlines

07/25/25

OPO
19h 25m
EWR

07/25/25

SFO
United Airlines Logo
United Airlines

08/01/25

SFO
24h 10m
EWR

08/03/25

OPO
$1011
Air Canada Logo
Air Canada

07/25/25

OPO
20h 43m
FRA
YVR

07/25/25

SFO
SWISS Logo
SWISS

08/01/25

SFO
20h 40m
ZRH

08/03/25

OPO
$1055
American Airlines Logo
American Airlines

07/25/25

OPO
20h 40m
MAD
DFW

07/25/25

SFO
American Airlines Logo
American Airlines

08/01/25

SFO
27h 53m
ORD
MAD

08/03/25

OPO
$1075
SWISS Logo
SWISS

07/25/25

OPO
28h 50m
ZRH

07/26/25

SFO
SWISS Logo
SWISS

08/01/25

SFO
20h 40m
ZRH

08/03/25

OPO
$1090
SWISS Logo
SWISS

07/25/25

OPO
35h 55m
ZRH

07/26/25

SFO
SWISS Logo
SWISS

08/01/25

SFO
20h 40m
ZRH

08/03/25

OPO
$1141
SWISS Logo
SWISS

07/25/25

OPO
28h 50m
ZRH

07/26/25

SFO
SWISS Logo
SWISS

08/01/25

SFO
20h 10m
ZRH

08/02/25

OPO
$1141
American Airlines Logo
American Airlines

07/25/25

OPO
20h 40m
MAD
DFW

07/25/25

SFO
American Airlines Logo
American Airlines

08/01/25

SFO
21h 18m
ORD
MAD

08/02/25

OPO
$1178
American Airlines Logo
American Airlines

07/25/25

OPO
20h 40m
MAD
DFW

07/25/25

SFO
American Airlines Logo
American Airlines

08/01/25

SFO
22h 35m
ORD
MAD

08/02/25

OPO
$1178
American Airlines Logo
American Airlines

07/25/25

OPO
20h 40m
MAD
DFW

07/25/25

SFO
American Airlines Logo
American Airlines

08/01/25

SFO
34h 1m
PHL
MAD

08/03/25

OPO
$1191
American Airlines Logo
American Airlines

07/25/25

OPO
20h 40m
MAD
DFW

07/25/25

SFO
American Airlines Logo
American Airlines

08/01/25

SFO
20h 52m
PHL
MAD

08/02/25

OPO
$1224
American Airlines Logo
American Airlines

07/25/25

OPO
20h 40m
MAD
DFW

07/25/25

SFO
American Airlines Logo
American Airlines

08/01/25

SFO
22h 29m
PHL
MAD

08/02/25

OPO
$1224
Air Canada Logo
Air Canada

07/25/25

OPO
20h 43m
FRA
YVR

07/25/25

SFO
Air Canada Logo
Air Canada

08/01/25

SFO
25h 48m
YUL

08/03/25

OPO
$1281
SWISS Logo
SWISS

07/25/25

OPO
28h 50m
ZRH

07/26/25

SFO
Air Canada Logo
Air Canada

08/01/25

SFO
25h 48m
YUL

08/03/25

OPO
$1290
Air France Logo
Air France

07/25/25

OPO
16h 55m
CDG

07/25/25

SFO
KLM Logo
KLM

08/01/25

SFO
24h 30m
AMS

08/02/25

OPO
$1310
SWISS Logo
SWISS

07/25/25

OPO
35h 55m
ZRH

07/26/25

SFO
Air Canada Logo
Air Canada

08/01/25

SFO
25h 48m
YUL

08/03/25

OPO
$1340
KLM Logo
KLM

07/25/25

OPO
23h 10m
AMS

07/26/25

SFO
KLM Logo
KLM

08/01/25

SFO
24h 30m
AMS

08/02/25

OPO
$1379
KLM Logo
KLM

07/25/25

OPO
27h 25m
AMS

07/26/25

SFO
KLM Logo
KLM

08/01/25

SFO
24h 30m
AMS

08/02/25

OPO
$1379
KLM Logo
KLM

07/25/25

OPO
32h 20m
AMS

07/26/25

SFO
KLM Logo
KLM

08/01/25

SFO
24h 30m
AMS

08/02/25

OPO
$1379
Air France Logo
Air France

07/25/25

OPO
25h 45m
CDG

07/26/25

SFO
KLM Logo
KLM

08/01/25

SFO
24h 30m
AMS

08/02/25

OPO
$1385
Air France Logo
Air France

07/25/25

OPO
28h 30m
CDG

07/26/25

SFO
KLM Logo
KLM

08/01/25

SFO
24h 30m
AMS

08/02/25

OPO
$1398
Turkish Airlines Logo
Turkish Airlines

07/25/25

OPO
31h 50m
IST

07/26/25

SFO
Turkish Airlines Logo
Turkish Airlines

08/01/25

SFO
19h 10m
IST

08/02/25

OPO
$1499
Turkish Airlines Logo
Turkish Airlines

07/25/25

OPO
37h 55m
IST

07/26/25

SFO
Turkish Airlines Logo
Turkish Airlines

08/01/25

SFO
19h 10m
IST

08/02/25

OPO
$1613
Air Canada Logo
Air Canada

07/25/25

OPO
20h 43m
FRA
YVR

07/25/25

SFO
Air Canada Logo
Air Canada

08/01/25

SFO
37h 20m
YYZ
FRA

08/03/25

OPO
$1632
Air Canada Logo
Air Canada

07/25/25

OPO
20h 43m
FRA
YVR

07/25/25

SFO
Air Canada Logo
Air Canada

08/01/25

SFO
28h 19m
YYZ
FRA

08/03/25

OPO
$1770
Air Canada Logo
Air Canada

07/25/25

OPO
20h 43m
FRA
YVR

07/25/25

SFO
Air Canada Logo
Air Canada

08/01/25

SFO
32h 49m
YYZ
FRA

08/03/25

OPO
$1770

Top Deals on flights from Porto to San Francisco

Porto, PT (OPO) - San Francisco, US (SFO)

 Logo

Oct 1

OPO
25h 15m
BCN

Oct 2

SFO

as low as

$483

Porto, PT (OPO) - San Francisco, US (SFO)

Air Transat Logo
Air Transat

Dec 4

OPO
27h 34m
YYZ

Dec 5

SFO

as low as

$511

Porto, PT (OPO) - San Francisco, US (SFO)

 Logo

Aug 27

OPO
21h 3m
JFK

Aug 28

SFO

as low as

$534

Porto, PT (OPO) - San Francisco, US (SFO)

 Logo

Dec 11

OPO
12h 32m
CMN
JFK

Dec 11

SFO

as low as

$589

Porto, PT (OPO) - San Francisco, US (SFO)

 Logo

Sep 8

OPO
24h 55m
TER

Sep 9

SFO

as low as

$595

Porto, PT (OPO) - San Francisco, US (SFO)

American Airlines Logo
American Airlines

Aug 28

OPO
7h 55m
MAD

Aug 28

SFO

as low as

$636

Porto, PT (OPO) - San Francisco, US (SFO)

American Airlines Logo
American Airlines

Dec 3

OPO
22h 5m
MAD
LHR

Dec 4

SFO

as low as

$642

Porto, PT (OPO) - San Francisco, US (SFO)

American Airlines Logo
American Airlines

Aug 28

OPO
12h 22m
MAD
DFW

Aug 28

SFO

as low as

$646

Porto, PT (OPO) - San Francisco, US (SFO)

American Airlines Logo
American Airlines

Oct 1

OPO
13h 37m
MAD
CLT

Oct 1

SFO

as low as

$647

Porto, PT (OPO) - San Francisco, US (SFO)

 Logo

Sep 8

OPO
15h 45m
BOS

Sep 9

SFO

as low as

$661

Porto, PT (OPO) - San Francisco, US (SFO)

 Logo

Oct 14

OPO
41h 10m
PDL
JFK

Oct 16

SFO

as low as

$693

Porto, PT (OPO) - San Francisco, US (SFO)

Turkish Airlines Logo
Turkish Airlines

Aug 28

OPO
23h 30m
IST

Aug 29

SFO

as low as

$705

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