AirHint found the following cheapest return flights from San Francisco (SFO) to Frankfurt (FRA) in May 2026 (see full year).

Return flights

04 May - 18 May	Condor	direct
03 May - 19 May	Condor	direct
11 May - 25 May	Condor	direct
19 May - 24 May	Condor	direct
22 May - 31 May	TAP
01 May - 10 May	Scandinavian Airlines
01 May - 15 May	Scandinavian Airlines
25 May - 31 May	WestJet
18 May - 24 May	Condor	direct
29 May - 04 Jun	TAP
16 May - 24 May	Scandinavian Airlines
29 May - 04 Jun	Condor	direct
30 May - 21 Jun	WestJet
31 May - 14 Jun	ITA Airways
29 May - 15 Jun	TAP
30 May - 21 Jun	Condor	direct
31 May - 14 Jun	Condor	direct

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

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 Frankfurt

Cheap car rent in Frankfurt

Cheapest return flights from San Francisco to Frankfurt in May from $615

Return flights