Cheap flights from London to Dublin
From €18 one way, departing Tue 1 Dec. Tuesdays are usually cheapest. We compare airlines and travel agencies and add no fees.
Cheapest dates from London to Dublin
The lowest one-way fares we found for the coming months. Pick a date to see every flight.
Typical fare by day of the week
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Plan the rest of your trip to Dublin
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Airport transfer in Dublin
Arrange a pick-up at Dublin airport (DUB) before you fly.
Things to do in Dublin
Find tours, tickets and day trips in Dublin, Ireland.
Car rental in Dublin
Compare rental cars for Dublin (pick up at DUB or in town).
London to Dublin: common questions
Answers use the fares we found most recently and are updated through the day.
How much is a flight from London to Dublin?
The lowest one-way fare we found recently is €18, departing Tue 1 Dec. A typical cheapest fare on other days is around €26. Prices change often, so check the live price before you book.
Which day is cheapest to fly from London to Dublin?
Tuesdays are usually the cheapest day, about €15 less than Fridays, based on fares found for the next five months.
Which month is cheapest to fly to Dublin?
December 2026 has the lowest fare we found, from €18 on Tue 1 Dec.
How long is the flight from London to Dublin?
London and Dublin are about 450 km apart. A direct flight takes roughly 1 hours; flights with a stop take longer.
Does SkimFlight charge a booking fee?
No. SkimFlight compares prices from airlines and travel agencies and sends you to the seller to book. You pay the seller’s price with no fee from us.