
$1,432 Cheap United flights Porto (OPO) to San Francisco (SFO)
Prices were available within the past 7 days and start at $1,432 for one-way flights and $805 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Tue, Sep 1 - Wed, Sep 30
OPO
Porto
SFO
San Francisco
$805 Roundtrip, found 2 days ago
$805
Roundtrip
found 2 days ago

Tue, Sep 1 - Wed, Sep 30
OPO
Porto
SFO
San Francisco
$808 Roundtrip, found 2 days ago
$808
Roundtrip
found 2 days ago

Tue, Sep 1 - Wed, Sep 30
OPO
Porto
SFO
San Francisco
$824 Roundtrip, found 2 days ago
$824
Roundtrip
found 2 days ago

Tue, Sep 1 - Wed, Sep 30
OPO
Porto
SFO
San Francisco
$828 Roundtrip, found 2 days ago
$828
Roundtrip
found 2 days ago

Tue, Sep 1 - Wed, Sep 30
OPO
Porto
SFO
San Francisco
$848 Roundtrip, found 2 days ago
$848
Roundtrip
found 2 days 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.
Origin airport | Dr. Francisco de Sa Carneiro |
|---|---|
Destination airport | San Francisco Intl. |
Distance | 8913 km |
- Houston to Manila (IAH - MNL)
- Miami to Nashville (MIA - BNA)
- Detroit to Chicago (DTW - ORD)
- Newark Liberty Intl. Airport to Miami (EWR - MIA)
- Dallas to Philadelphia (DFW - PHL)
- Chicago to Las Vegas (ORD - LAS)
- Detroit to Miami (DTW - MIA)
- Nashville to Hamburg (BNA - HAM)
- New York to Hong Kong (JFK - HKG)
- New York to Hong Kong (JFK - HKG)
Popular Domestic Routes in San Francisco Intl.
- Miami to Nashville (MIA - BNA)
- Newark Liberty Intl. Airport to Los Angeles (EWR - LAX)
- West Palm Beach to Colorado Springs (PBI - COS)
- Cincinnati to Boston (CVG - BOS)
- San Juan to Houston (SJU - IAH)
- Miami to Nashville (MIA - BNA)
- Detroit to Miami (DTW - MIA)
- Detroit to Las Vegas (DTW - LAS)
- Detroit to Chicago (DTW - ORD)
- Dallas to Philadelphia (DFW - PHL)