Cheapest return flights from St. Louis to Dublin in September from 398€

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

Return flights

09 Sep - 16 Sep Air Canada
01 Sep - 08 Sep Delta
30 Sep - 07 Oct United
05 Sep - 12 Sep United
11 Sep - 18 Sep United
18 Sep - 25 Sep United
15 Sep - 22 Sep United
21 Sep - 28 Sep United
13 Sep - 20 Sep United
27 Sep - 04 Oct United
07 Sep - 14 Sep United

Also check the deals for one-way flights from St. Louis 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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