$776 Cheap American Airlines flights San Diego (SAN) to Porto (OPO)

View $776 flight on Mon, Aug 31, 2026Opens in a new window

$776 Cheap American Airlines flights San Diego (SAN) to Porto (OPO)

Prices were available within the past 7 days and start at $776 for one-way flights and $921 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

American Airlines
Mon, Aug 31 - Tue, Sep 8
SAN
San Diego
OPO
Porto
$921 Roundtrip, found 9 hours ago
$921
Roundtrip
found 9 hours ago
Select American Airlines flight, departing Mon, Aug 31 from San Diego to Porto, returning Tue, Sep 8, priced at $921 found 9 hours ago
American Airlines
Mon, Aug 31 - Tue, Sep 8
SAN
San Diego
OPO
Porto
$999 Roundtrip, found 9 hours ago
$999
Roundtrip
found 9 hours ago
Select American Airlines flight, departing Mon, Aug 31 from San Diego to Porto, returning Tue, Sep 8, priced at $999 found 9 hours ago

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

January is typically the cheapest month to fly

From $475 - $1,596 per traveler.

Travel information

Origin airport
San Diego Intl.
Destination airport
Dr. Francisco de Sa Carneiro
Airlines serving
Air Canada, Air France, American Airlines, British Airways, Delta, Iberia, KLM, Lufthansa, Swiss International Air Lines, United
Popular airline
Delta
Distance
8960 km

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