Cheapest return flights from London to Shannon in September from 42€

AirHint found the following cheapest return flights from London (STN) to Shannon (SNN) in September 2025 (see full year).

Return flights

16 Sep - 19 Sep Ryanair direct
16 Sep - 17 Sep Ryanair direct
16 Sep - 25 Sep Ryanair direct
16 Sep - 18 Sep Ryanair direct
16 Sep - 20 Sep Ryanair direct
21 Sep - 25 Sep Ryanair direct
01 Sep - 03 Sep Ryanair direct
01 Sep - 12 Sep Ryanair direct
01 Sep - 19 Sep Ryanair direct
01 Sep - 17 Sep Ryanair direct
16 Sep - 06 Oct Ryanair direct
16 Sep - 02 Oct Ryanair direct
16 Sep - 01 Oct Ryanair direct
21 Sep - 06 Oct Ryanair direct
21 Sep - 02 Oct Ryanair direct
21 Sep - 01 Oct Ryanair direct
21 Sep - 10 Oct Ryanair direct
28 Sep - 17 Oct Ryanair direct
28 Sep - 06 Oct Ryanair direct
28 Sep - 02 Oct Ryanair direct

Also check the deals for one-way flights from London to Shannon 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.

Book a cheap hotel in Shannon

Cheap car rent in Shannon

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