Cheapest return flights from San Francisco to Barcelona in May from $429

Best time to book flights for San Francisco (SFO) to Barcelona (BCN) flights at AirHint

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

Return flights

08 May - 15 May TAP
06 May - 21 May TAP
10 May - 19 May TAP
10 May - 20 May TAP
06 May - 13 May LEVEL direct
10 May - 17 May Vueling Airlines direct
10 May - 20 May LEVEL direct
13 May - 20 May LEVEL direct
02 May - 09 May TAP
04 May - 11 May Vueling Airlines direct
18 May - 01 Jun LEVEL direct
17 May - 05 Jun LEVEL direct
13 May - 04 Jun TAP
24 May - 05 Jun Vueling Airlines direct
20 May - 03 Jun LEVEL direct
27 May - 11 Jun WestJet
29 May - 11 Jun WestJet
24 May - 10 Jun LEVEL direct
18 May - 07 Jun LEVEL direct
29 May - 12 Jun WestJet

Also check the deals for one-way flights from San Francisco to Barcelona 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.

Book a cheap hotel in Barcelona

Cheap car rent in Barcelona