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

Return flights

20 Jul - 23 Jul	Ryanair	direct
03 Jul - 06 Jul	Ryanair	direct
24 Jul - 26 Jul	Ryanair	direct
10 Jul - 13 Jul	Ryanair	direct
30 Jul - 02 Aug	Ryanair	direct
20 Jul - 30 Jul	Aer Lingus	direct

Also check the deals for one-way flights from London to Shannon 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 London to Shannon in July from $72

Return flights