Cheapest return flights from St. Louis to Dublin in October from 412€

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

Return flights

27 Oct - 12 Nov United
31 Oct - 07 Nov Iberia
07 Oct - 14 Oct KLM
23 Oct - 03 Nov United
11 Oct - 14 Oct Frontier Airlines
15 Oct - 22 Oct Aer Lingus
13 Oct - 20 Oct Aer Lingus
25 Oct - 01 Nov Aer Lingus
09 Oct - 16 Oct Aer Lingus
23 Oct - 30 Oct Aer Lingus
17 Oct - 24 Oct Aer Lingus
19 Oct - 26 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.

Book a cheap hotel in Dublin

Cheap car rent in Dublin

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