AirHint found the following cheapest return flights from St. Louis (STL) to Dublin (DUB) in July 2026 (see full year).

Return flights

26 Jul - 09 Aug	Lufthansa
15 Jul - 27 Jul	Lufthansa
22 Jul - 29 Jul	Aer Lingus
27 Jul - 03 Aug	Aer Lingus
17 Jul - 24 Jul	Aer Lingus
07 Jul - 14 Jul	Aer Lingus
02 Jul - 09 Jul	Aer Lingus
12 Jul - 19 Jul	Aer Lingus

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

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 St. Louis to Dublin in July from 640€

Return flights