Cheapest return SFO–DUB flights, May

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

Return flights

21 May - 03 Jun LOT
29 May - 03 Jun Alaska Airlines
27 May - 03 Jun WestJet
29 May - 02 Jun Alaska Airlines
24 May - 02 Jun Alaska Airlines
26 May - 05 Jun Alaska Airlines
26 May - 02 Jun Icelandair
22 May - 02 Jun Alaska Airlines
21 May - 26 May WestJet
21 May - 25 May WestJet
26 May - 27 Jun Alaska Airlines
26 May - 26 Jun United
23 May - 26 May Scandinavian Airlines
24 May - 31 May Scandinavian Airlines
23 May - 26 May Aer Lingus direct
21 May - 26 May Aer Lingus direct
21 May - 25 May Aer Lingus direct

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

Cheap car rent in Dublin

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