$1,321 Cheap Air France flights Porto (OPO) to San Francisco (SFO)

View $1,321 flight on Mon, Dec 22, 2025Opens in a new window

$1,321 Cheap Air France flights Porto (OPO) to San Francisco (SFO)

Prices were available within the past 7 days and start at $1,321 for one-way flights and $1,380 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Air France
Mon, Dec 22 - Mon, Jan 5
OPO
Porto
SFO
San Francisco
$1,380 Roundtrip, found 1 day ago
$1,380
Roundtrip
found 1 day ago
Select Air France flight, departing Mon, Dec 22 from Porto to San Francisco, returning Mon, Jan 5, priced at $1,380 found 1 day ago

Find the cheapest month to fly from Porto (OPO) to San Francisco (SFO)

February is typically the cheapest month to fly

From $582 - $898 per traveler.

Alternative airports near San Francisco

Prices were available within the past 7 days. Prices and availability are subject to change.

Select flight to San Francisco Intl. SFO. Cheapest and Closest option available. Average driving time to city center is 19 minutes. Flights from $779
SFO
San Francisco Intl.
CheapestClosest
Average driving time to city center19 min
Flights from $779
Flights from Porto (OPO) to San Francisco (SFO)
Origin airport
Dr. Francisco de Sa Carneiro
Destination airport
San Francisco Intl.
Airlines serving
Air Canada, Air France, American Airlines, British Airways, Brussels Airlines, Delta, Iberia, KLM, Lufthansa, Scandinavian Airlines, TAP Portugal, Turkish Airlines, United
Popular airline
Delta
Distance
8913 km