Cheapest one-way flights from London to Shannon in August from $110

AirHint found the following cheapest one-way flights from London (LHR) to Shannon (SNN) in August 2026 (see full year).

One-Way flights

04 Aug Aer Lingus direct
12 Aug Aer Lingus direct
24 Aug Aer Lingus direct

Also check the deals for return flights from London to Shannon in August.

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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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