Cheapest return flights from Madrid to San Francisco in May from $417

Best time to book flights for Madrid (MAD) to San Francisco (SFO) flights at AirHint

AirHint found the following cheapest return flights from Madrid (MAD) to San Francisco (SFO) in May 2025 (see full year).

Return flights

03 May - 13 May SWISS
06 May - 13 May Finnair direct
15 May - 29 May Finnair
08 May - 13 May Finnair direct
06 May - 28 May Air Canada
17 May - 10 Jun Finnair
12 May - 27 May Iberia
07 May - 14 May Condor
13 May - 19 May SWISS
20 May - 27 May Finnair direct
01 May - 08 May Finnair direct
31 May - 10 Jun Finnair
27 May - 03 Jun Delta
30 May - 05 Jun Delta
13 May - 09 Jun Delta
30 May - 09 Jun Delta
24 May - 05 Jun Delta
15 May - 10 Jun Finnair
14 May - 10 Jun Finnair
24 May - 10 Jun KLM

Also check the deals for one-way flights from Madrid to San Francisco in May.

Skyscanner

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.

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