MAD to SFO from $523 in economy

AYFinnair

Round Trip•Economy

MAD

Madrid-Barajas Airport

Madrid, Spain

SFO

San Francisco International Airport

San Francisco, United States

$947 USD

-45%$523 USD

Verified 13 days ago

September 2026

Today

Mon

Tue

Wed

Thu

Fri

Sat

Sun

31$758 1$529 2$529 3$523 4$546 5$546 6$541 7$855 8$666 9$529 10$523 11$546 12$649 13$867 14$786 15$529 16$529 17$529 18$546 19$632 20$626 21$615 22$529 23$529 24$529 25$546 26$632 27$678 28$615 29$529 30$529 1$529 2$546 3 4$804

Limited Availability

10% of dates checked are available within 10% of the lowest price

Saturday, September 19th, 2026

8 round-trip options

Returning

Thu, Sep 24, 2026•5 Day Trip

$632 USD

Google Flights

Returning

Fri, Sep 25, 2026•6 Day Trip

$785 USD

Google Flights

Returning

Sun, Sep 27, 2026•8 Day Trip

$649 USD

Google Flights

Returning

Mon, Sep 28, 2026•9 Day Trip

$632 USD

Google Flights

Returning

Tue, Sep 29, 2026•10 Day Trip

$632 USD

Google Flights

Returning

Thu, Oct 1, 2026•12 Day Trip

$889 USD

Google Flights

Returning

Fri, Oct 2, 2026•13 Day Trip

$906 USD

Google Flights

Returning

Sat, Oct 3, 2026•14 Day Trip

$649 USD

Google Flights

Madrid (MAD) to San Francisco (SFO) flight deal in economy from $523

Madrid-Barajas Airport

San Francisco International Airport

September 2026

Saturday, September 19th, 2026