Cheapest one-way flights from San Francisco to Madrid in December from 242€

AirHint found the following cheapest one-way flights from San Francisco (SFO) to Madrid (MAD) in December 2025 (see full year).

One-Way flights

08 Dec Frontier Airlines
02 Dec WestJet
04 Dec Flair Airlines
10 Dec TAP
05 Dec WestJet
11 Dec Scandinavian Airlines
06 Dec TAP
07 Dec Alaska Airlines
12 Dec Frontier Airlines
13 Dec Frontier Airlines

Also check the deals for return flights from San Francisco to Madrid in December.

Powered by

The deals are updated regularly. The prices may go up as tickets are purchased by other travellers. Only the cheapest flights are offered. Select a price to book and secure these cheap prices.

Book a cheap hotel in Madrid

Cheap car rent in Madrid

Feel free to contact us with any feedback or request another flight research.