Cheapest return flights from Shannon to London in September from $70

AirHint found the following cheapest return flights from Shannon (SNN) to London (STN) in September 2026 (see full year).

Return flights

02 Sep - 09 Sep Ryanair direct
02 Sep - 16 Sep Ryanair direct
02 Sep - 02 Sep Ryanair direct
02 Sep - 03 Sep Ryanair direct
02 Sep - 10 Sep Ryanair direct
06 Sep - 09 Sep Ryanair direct
03 Sep - 09 Sep Ryanair direct
08 Sep - 09 Sep Ryanair direct
14 Sep - 16 Sep Ryanair direct
06 Sep - 16 Sep Ryanair direct
14 Sep - 01 Oct Ryanair direct
21 Sep - 12 Oct Ryanair direct
21 Sep - 01 Oct Ryanair direct
13 Sep - 01 Oct Ryanair direct

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

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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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