Cheapest one-way flights from London to Shannon in September from 29€

Best time to book flights for London (LON) to Shannon (SNN) flights at AirHint

AirHint found the following cheapest one-way flights from London (LON) to Shannon (SNN) in September 2025 (see full year).

One-Way flights

05 Sep Ryanair direct
17 Sep Ryanair direct
09 Sep Ryanair direct
10 Sep Ryanair direct
26 Sep Ryanair direct
19 Sep Ryanair direct
15 Sep Ryanair direct
30 Sep Ryanair direct
24 Sep Ryanair direct

Also check the deals for return 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