Cheap flights from San Francisco, CA to Porto, Portugal

Flights starting at $479. Choose between Alaska Airlines, WestJet, or TAP Portugal to find the best price.

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Tips to know when travelling to Porto

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The most popular airlines for this route are Alaska Airlines, WestJet, TAP Portugal, Frontier Airlines, and Transavia. San Francisco and Porto have 268 direct flights per week. When you arrive at Porto, consider visiting Santiago De Compostela, and Bairro of Ribeira, Portugal.

Check-in for a flight from San Francisco to Porto

NameCarrier codeIATA CodePassport needed during bookingOnline check-in available
Alaska AirlinesASAASNoOpens 24 days before flight
Closes 1 hours before flight
WestJetWJAWSNoOpens 24 days before flight
Closes 1 hours before flight
TAP PortugalTAPTPNoOpens 36 days before flight
Closes 1 hours before flight
Frontier AirlinesFFTF9NoOpens 24 days before flight
Closes 1 hours before flight
TransaviaTRAHVNoOpens 24 days before flight
Closes 4 hours before flight

Weather in Porto

Average Weather

MonthAverage monthly max temperatureAverage monthly min temperature
January13°C7°C
February14°C7°C
March16°C9°C
April18°C10°C
May20°C12°C
June22°C15°C
July25°C16°C
August26°C17°C
September24°C16°C
October21°C14°C
November16°C10°C
December14°C9°C
Hottest Month
26°C
August
Coldest month
7°C
January
Sunny days
284
days per year

14 day forecast

Friday
24 May
20°C12°C
31 May
26°C17°C
Saturday
25 May
83%
19°C12°C
1 Jun
25°C19°C
Sunday
26 May
88%
18°C14°C
2 Jun
23°C19°C
Monday
27 May
20°C11°C
3 Jun
21°C17°C
Tuesday
28 May
22°C14°C
4 Jun
20°C15°C
Wednesday
29 May
24°C16°C
5 Jun
20°C14°C
Thursday
30 May
24°C18°C
6 Jun
19°C14°C

Frequently asked questions

What are the most popular routes to and from San Francisco?
What are the most popular routes to and from Porto?
What airports are near San Francisco?
What airports are near Porto?
Is it possible to combine flights, buses, and trains in one itinerary when traveling between San Francisco and Porto?
What is Virtual Interlining and how do I use it?
Which airlines fly between San Francisco and Porto?
When's the best time to travel between San Francisco and Porto?
What flights operate between San Francisco and Porto?
How many airports are there near San Francisco?
How many airports are there near Porto?
What time do nonstop (direct) flights between San Francisco and Porto depart?
What time do nonstop (direct) flights between San Francisco and Porto arrive?
What time do flights between San Francisco and Porto depart?
What time do flights between San Francisco and Porto arrive?

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