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Flight Deals from Porto to San Diego from $664

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Bundle + Save

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Incredible Deals

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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
    $1273
  • Up to 2 stops
    $1266

Airlines

  • American Airlines
    $1266
  • United Airlines
    $1273

Cabin Class

  • Economy
    $1266

Departure Airports

  • Francisco de Sá Carneiro Airport
    $1266

Arrival Airports

  • San Diego International Airport
    $1266

Layover Airports

  • Adolfo Suárez Madrid–Barajas Airport
    $1266
  • Chicago O Hare Airport
    $1266
  • Denver International Airport
    $1278
  • Frankfurt am Main Airport
    $1406
  • Newark Liberty Airport
    $1273
  • Philadelphia International Airport
    $1266
  • San Francisco International Airport
    $1410
  • Washington Dulles Airport
    $1406
  • Zürich Airport
    $1410

Best Price. GUARANTEED.

Exclusively for Priceline Members
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We'll refund the difference if you find a lower price.

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BUNDLE & SAVE
Book a flight & hotel together for extra savings.
On average save $240 per traveler
American Airlines Logo
American Airlines

07/25/25

OPO
23h 12m
MAD
ORD

07/25/25

SAN
American Airlines Logo
American Airlines

08/01/25

SAN
28h 55m
ORD
MAD

08/03/25

OPO
$1266
American Airlines Logo
American Airlines

07/25/25

OPO
19h 48m
MAD
PHL

07/25/25

SAN
American Airlines Logo
American Airlines

08/01/25

SAN
28h 55m
ORD
MAD

08/03/25

OPO
$1266
American Airlines Logo
American Airlines

07/25/25

OPO
21h 7m
MAD
PHL

07/25/25

SAN
American Airlines Logo
American Airlines

08/01/25

SAN
28h 55m
ORD
MAD

08/03/25

OPO
$1266
American Airlines Logo
American Airlines

07/25/25

OPO
19h 7m
MAD
ORD

07/25/25

SAN
American Airlines Logo
American Airlines

08/01/25

SAN
28h 55m
ORD
MAD

08/03/25

OPO
$1266
United Airlines Logo
United Airlines

07/25/25

OPO
18h 7m
EWR

07/25/25

SAN
United Airlines Logo
United Airlines

08/01/25

SAN
24h 25m
EWR

08/03/25

OPO
$1273
United Airlines Logo
United Airlines

07/25/25

OPO
20h 12m
EWR

07/25/25

SAN
United Airlines Logo
United Airlines

08/01/25

SAN
24h 25m
EWR

08/03/25

OPO
$1273
United Airlines Logo
United Airlines

07/25/25

OPO
19h 51m
EWR

07/25/25

SAN
United Airlines Logo
United Airlines

08/01/25

SAN
24h 25m
EWR

08/03/25

OPO
$1273
United Airlines Logo
United Airlines

07/25/25

OPO
18h 7m
EWR

07/25/25

SAN
United Airlines Logo
United Airlines

08/01/25

SAN
27h 54m
DEN
EWR

08/03/25

OPO
$1278
United Airlines Logo
United Airlines

07/25/25

OPO
19h 51m
EWR

07/25/25

SAN
United Airlines Logo
United Airlines

08/01/25

SAN
27h 54m
DEN
EWR

08/03/25

OPO
$1278
United Airlines Logo
United Airlines

07/25/25

OPO
20h 12m
EWR

07/25/25

SAN
United Airlines Logo
United Airlines

08/01/25

SAN
27h 54m
DEN
EWR

08/03/25

OPO
$1278
American Airlines Logo
American Airlines

07/25/25

OPO
33h 13m
MAD
ORD

07/26/25

SAN
American Airlines Logo
American Airlines

08/01/25

SAN
28h 55m
ORD
MAD

08/03/25

OPO
$1283
American Airlines Logo
American Airlines

07/25/25

OPO
29h 8m
MAD
ORD

07/26/25

SAN
American Airlines Logo
American Airlines

08/01/25

SAN
28h 55m
ORD
MAD

08/03/25

OPO
$1283
United Airlines Logo
United Airlines

07/25/25

OPO
20h 12m
EWR

07/25/25

SAN
United Airlines Logo
United Airlines

08/01/25

SAN
25h 15m
EWR

08/03/25

OPO
$1292
United Airlines Logo
United Airlines

07/25/25

OPO
19h 51m
EWR

07/25/25

SAN
United Airlines Logo
United Airlines

08/01/25

SAN
32h 40m
EWR

08/03/25

OPO
$1292
United Airlines Logo
United Airlines

07/25/25

OPO
18h 7m
EWR

07/25/25

SAN
United Airlines Logo
United Airlines

08/01/25

SAN
25h 15m
EWR

08/03/25

OPO
$1292
United Airlines Logo
United Airlines

07/25/25

OPO
18h 7m
EWR

07/25/25

SAN
United Airlines Logo
United Airlines

08/01/25

SAN
32h 40m
EWR

08/03/25

OPO
$1292
United Airlines Logo
United Airlines

07/25/25

OPO
16h 16m
EWR

07/25/25

SAN
United Airlines Logo
United Airlines

08/01/25

SAN
27h 54m
DEN
EWR

08/03/25

OPO
$1324
American Airlines Logo
American Airlines

07/25/25

OPO
19h 7m
MAD
ORD

07/25/25

SAN
American Airlines Logo
American Airlines

08/01/25

SAN
22h 43m
ORD
MAD

08/02/25

OPO
$1387
American Airlines Logo
American Airlines

07/25/25

OPO
19h 48m
MAD
PHL

07/25/25

SAN
American Airlines Logo
American Airlines

08/01/25

SAN
25h 9m
ORD
MAD

08/02/25

OPO
$1387
American Airlines Logo
American Airlines

07/25/25

OPO
19h 48m
MAD
PHL

07/25/25

SAN
American Airlines Logo
American Airlines

08/01/25

SAN
22h 43m
ORD
MAD

08/02/25

OPO
$1387
American Airlines Logo
American Airlines

07/25/25

OPO
21h 7m
MAD
PHL

07/25/25

SAN
American Airlines Logo
American Airlines

08/01/25

SAN
21h 5m
ORD
MAD

08/02/25

OPO
$1387
American Airlines Logo
American Airlines

07/25/25

OPO
21h 7m
MAD
PHL

07/25/25

SAN
American Airlines Logo
American Airlines

08/01/25

SAN
25h 9m
ORD
MAD

08/02/25

OPO
$1387
American Airlines Logo
American Airlines

07/25/25

OPO
19h 48m
MAD
PHL

07/25/25

SAN
American Airlines Logo
American Airlines

08/01/25

SAN
21h 5m
ORD
MAD

08/02/25

OPO
$1387
United Airlines Logo
United Airlines

07/25/25

OPO
22h 40m
FRA
IAD

07/25/25

SAN
United Airlines Logo
United Airlines

08/01/25

SAN
24h 25m
EWR

08/03/25

OPO
$1406
United Airlines Logo
United Airlines

07/25/25

OPO
19h 51m
EWR

07/25/25

SAN
SWISS Logo
SWISS

08/01/25

SAN
26h 20m
SFO
ZRH

08/03/25

OPO
$1410
United Airlines Logo
United Airlines

07/25/25

OPO
20h 12m
EWR

07/25/25

SAN
SWISS Logo
SWISS

08/01/25

SAN
24h 10m
SFO
ZRH

08/03/25

OPO
$1410
United Airlines Logo
United Airlines

07/25/25

OPO
18h 7m
EWR

07/25/25

SAN
SWISS Logo
SWISS

08/01/25

SAN
24h 10m
SFO
ZRH

08/03/25

OPO
$1410
United Airlines Logo
United Airlines

07/25/25

OPO
20h 12m
EWR

07/25/25

SAN
SWISS Logo
SWISS

08/01/25

SAN
26h 20m
SFO
ZRH

08/03/25

OPO
$1410
United Airlines Logo
United Airlines

07/25/25

OPO
18h 7m
EWR

07/25/25

SAN
SWISS Logo
SWISS

08/01/25

SAN
26h 20m
SFO
ZRH

08/03/25

OPO
$1410
United Airlines Logo
United Airlines

07/25/25

OPO
19h 51m
EWR

07/25/25

SAN
SWISS Logo
SWISS

08/01/25

SAN
24h 10m
SFO
ZRH

08/03/25

OPO
$1410

Top Deals on flights from Porto to San Diego

Porto, PT (OPO) - San Diego, US (SAN)

 Logo

Sep 27

OPO
22h 15m
BOS

Sep 28

SAN

as low as

$664

Porto, PT (OPO) - San Diego, US (SAN)

 Logo

Sep 29

OPO
24h 52m
BOS

Sep 30

SAN

as low as

$677

Porto, PT (OPO) - San Diego, US (SAN)

 Logo

Sep 29

OPO
27h 31m
MAD
JFK

Sep 30

SAN

as low as

$733

Porto, PT (OPO) - San Diego, US (SAN)

American Airlines Logo
American Airlines

Sep 29

OPO
11h 15m
MAD
ORD

Sep 29

SAN

as low as

$742

Porto, PT (OPO) - San Diego, US (SAN)

 Logo

Sep 29

OPO
22h 15m
PDL
BOS

Sep 30

SAN

as low as

$854

Porto, PT (OPO) - San Diego, US (SAN)

 Logo

Sep 27

OPO
12h 4m
MAD
SFO

Sep 27

SAN

as low as

$868

Porto, PT (OPO) - San Diego, US (SAN)

 Logo

Sep 29

OPO
20h 4m
MAD
DFW

Sep 30

SAN

as low as

$868

Porto, PT (OPO) - San Diego, US (SAN)

 Logo

Sep 27

OPO
25h 44m
BCN
SFO

Sep 28

SAN

as low as

$875

Porto, PT (OPO) - San Diego, US (SAN)

 Logo

Sep 29

OPO
24h 9m
LIS
EWR

Sep 30

SAN

as low as

$960

Porto, PT (OPO) - San Diego, US (SAN)

 Logo

Sep 29

OPO
9h 10m
MUC

Sep 29

SAN

as low as

$999

Porto, PT (OPO) - San Diego, US (SAN)

 Logo

Sep 29

OPO
11h 6m
EWR
LAX

Sep 29

SAN

as low as

$1003

Porto, PT (OPO) - San Diego, US (SAN)

 Logo

Sep 29

OPO
9h 45m
MAD
LHR

Sep 29

SAN

as low as

$1004

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