Cheapest one-way flights from San Francisco to Dublin in September from $278

AirHint found the following cheapest one-way flights from San Francisco (SFO) to Dublin (DUB) in September 2025 (see full year).

One-Way flights

21 Sep WestJet
28 Sep Iberia
24 Sep Frontier Airlines
22 Sep Frontier Airlines
23 Sep Frontier Airlines
30 Sep Hawaiian Airlines
27 Sep Frontier Airlines
25 Sep Frontier Airlines
14 Sep WestJet
18 Sep Flair Airlines

Also check the deals for return flights from San Francisco to Dublin in September.

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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