Cheapest return flights from St. Louis to Dublin in October from $552

AirHint found the following cheapest return flights from St. Louis (STL) to Dublin (DUB) in October 2025 (see full year).

Return flights

23 Oct - 06 Nov Air Canada
21 Oct - 28 Oct United
29 Oct - 05 Nov Aer Lingus
15 Oct - 22 Oct Aer Lingus
25 Oct - 01 Nov Aer Lingus
13 Oct - 20 Oct Aer Lingus
27 Oct - 03 Nov Aer Lingus
09 Oct - 16 Oct Aer Lingus
23 Oct - 30 Oct Aer Lingus
17 Oct - 24 Oct Aer Lingus
11 Oct - 18 Oct Aer Lingus

Also check the deals for one-way flights from St. Louis to Dublin in October.

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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