Cheap flights from Ireland to London
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How to find the cheapest flight from
Ireland to London (LON)
How far in advance should I book a flight from Ireland to London?
To save up to 42% on this flight, we recommend booking at least 61 days prior to travel. The price may fluctuate and will likely increase closer to your departure date. Users on Cheapflights have found tickets from Ireland to London from £60 1-2 weeks out and tickets from £74 for flights departing within the next 72 hours.