Cheapest return flights from San Francisco to Lisbon in May from 595€

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

Return flights

07 May - 14 May Turkish Airlines
04 May - 18 May Turkish Airlines
07 May - 14 May TAP direct
16 May - 23 May TAP direct
02 May - 10 May Air France
07 May - 12 May Delta
12 May - 22 May Air France
04 May - 17 May Air France
05 May - 26 May Delta
18 May - 02 Jun British Airways
03 May - 13 May Delta
25 May - 08 Jun British Airways
26 May - 09 Jun KLM
30 May - 14 Jun FrenchBee
19 May - 08 Jun Condor
29 May - 08 Jun WestJet
21 May - 25 Jun WestJet

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

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 Lisbon

Cheap car rent in Lisbon

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