Find the Cheapest Flights from San Francisco to Portugal

Unlock the cheapest flights and the best airfares from San Francisco to Portugal. Make your dream trip both memorable and affordable!

Sun, Apr 26SFO-LIS
American Airlines

oneway$577

Thu, Sep 17SFO-LIS
Turkish Airlines

$827

Sun, Jun 7SFO-OPO
United Airlines

$1,016

San Francisco to Portugal: Flight information

Cheapest flight found$577

Cheapest month to flyApril

Most popular airlineAmerican Airlines

Average flight duration1d 2h 30m

Cheapest flight found

Apr 2026

$577

FAQs

How to find cheap flights to Portugal from San Francisco etc..

How long is the flight from San Francisco to Portugal?

What airlines fly from San Francisco to Portugal?

When to buy cheap flights from San Francisco to Portugal?

How can I find the cheapest flights from San Francisco?

How can I cancel / change my flight?

Do the prices include taxes and fees?

Does the flight price include baggage fees?

What should I do if my flight is canceled?

Explore the top trending flights!

Popular flights from San Francisco

Trending Countries (21)Trending Cities (20)

Trending Countries

San Francisco to Japan

San Francisco to Switzerland

San Francisco to South Korea

San Francisco to Sweden

San Francisco to Netherlands

San Francisco to Denmark

San Francisco to United Arab Emirates

San Francisco to Germany

San Francisco to United Kingdom

San Francisco to United States

San Francisco to Canada

San Francisco to New Zealand

San Francisco to China

San Francisco to Spain

San Francisco to Italy

San Francisco to Singapore

San Francisco to Norway

San Francisco to Finland

San Francisco to Ireland

San Francisco to Portugal

San Francisco to Austria

See more dealsSee less

Popular flights to San Francisco

Popular flights from Portugal

Popular flights to Portugal

Travel Like Never Before

• Search And compare between flights easily
• A single travel booking that allows you to visit several cities during one trip

Download OUR APP NOW