AirHint found the following cheapest return flights from Salt Lake City (SLC) to Dublin (DUB) in September 2025 (see full year).

Return flights

22 Sep - 08 Oct	Iberia
22 Sep - 07 Oct	Iberia
21 Sep - 07 Oct	Delta
20 Sep - 07 Oct	Spirit Airlines
27 Sep - 08 Oct	Delta
23 Sep - 09 Oct	Delta
16 Sep - 23 Sep	Frontier Airlines
24 Sep - 12 Oct	Frontier Airlines
22 Sep - 29 Sep	Frontier Airlines
17 Sep - 05 Oct	Frontier Airlines
16 Sep - 30 Sep	Frontier Airlines
16 Sep - 01 Oct	Frontier Airlines
17 Sep - 04 Oct	Frontier Airlines

Also check the deals for one-way flights from Salt Lake City to Dublin in September.

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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Cheapest return flights from Salt Lake City to Dublin in September from 550€

Return flights