Cheap flights from Maia to San Diego

View AU$1,537 flight on Thu, 21 Aug. 2025Opens in a new window

Popular airlines from Maia to San Diego

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Cheap Flights from Maia (OPO) to San Diego (SAN)

Prices were available within the past 7 days for one-way flights and round trip tickets for the period specified. Prices and availability are subject to change. Additional terms apply.

Lufthansa
Thu, 21 Aug. - Thu, 28 Aug.
OPO
Porto
SAN
San Diego
AU$1,636 Return, found 1 day ago
AU$1,636
Return
found 1 day ago
Select Lufthansa flight, departing Thu, 21 Aug. from Porto to San Diego, returning Thu, 28 Aug., priced at AU$1,636 found 1 day ago
Lufthansa
Thu, 21 Aug. - Thu, 28 Aug.
OPO
Porto
SAN
San Diego
AU$1,707 Return, found 1 day ago
AU$1,707
Return
found 1 day ago
Select Lufthansa flight, departing Thu, 21 Aug. from Porto to San Diego, returning Thu, 28 Aug., priced at AU$1,707 found 1 day ago
Delta
Thu, 21 Aug. - Thu, 28 Aug.
OPO
Porto
SAN
San Diego
AU$1,875 Return, found 1 day ago
AU$1,875
Return
found 1 day ago
Select Delta flight, departing Thu, 21 Aug. from Porto to San Diego, returning Thu, 28 Aug., priced at AU$1,875 found 1 day ago
Iberia
Thu, 21 Aug. - Thu, 28 Aug.
OPO
Porto
SAN
San Diego
AU$1,898 Return, found 1 day ago
AU$1,898
Return
found 1 day ago
Select Iberia flight, departing Thu, 21 Aug. from Porto to San Diego, returning Thu, 28 Aug., priced at AU$1,898 found 1 day ago
KLM
Thu, 21 Aug. - Thu, 28 Aug.
OPO
Porto
SAN
San Diego
AU$1,918 Return, found 1 day ago
AU$1,918
Return
found 1 day ago
Select KLM flight, departing Thu, 21 Aug. from Porto to San Diego, returning Thu, 28 Aug., priced at AU$1,918 found 1 day ago
United
Thu, 21 Aug. - Thu, 28 Aug.
OPO
Porto
SAN
San Diego
AU$1,940 Return, found 1 day ago
AU$1,940
Return
found 1 day ago
Select United flight, departing Thu, 21 Aug. from Porto to San Diego, returning Thu, 28 Aug., priced at AU$1,940 found 1 day ago

Find the cheapest month to fly from Porto (OPO) to San Diego (SAN)

February is typically the cheapest month to fly

From AU$1,079 - AU$1,369 per traveller.

Graph displaying average flight prices per month

*Available to Expedia members.