Flights from London to Dublin
Find and compare London to Dublin flights below: airline choices, nonstop availability, flight time and the months that usually offer the best value.
London to Dublin flights overview
Fares on the London to Dublin route move daily with demand, sales and seat availability, so BookingTrolley compares live prices from several suppliers in one place. Based on this route's seasonal pattern, fares average roughly £ 577.49 over the year. Nov tends to be the cheapest month to fly (around £ 481.11), while Jun is usually the most expensive at about £ 715.74 — a swing of roughly 49%.
LHR and DUB sit roughly 449 km apart, so total travel time depends on whether you fly nonstop or connect. Both full-service and low-cost carriers serve this corridor; BookingTrolley compares their published fares so you can weigh price against flight time and baggage.
Frequently asked questions about flying from London to Dublin
Tuesday and Wednesday are typically the cheapest days on London to Dublin for United Kingdom travellers, with Friday and Sunday often higher. BookingTrolley compares mid-week and weekend fares on LHR–DUB.
Full-service and low-cost carriers compete from London (LHR) to Dublin (DUB). BookingTrolley compares published fares so United Kingdom travellers can see which carrier is cheapest.
Economy round-trip flights on London to Dublin vary by season. BookingTrolley tracks live fares on LHR–DUB so United Kingdom travellers can compare current prices.
Flight time from London to Dublin depends on the airline and on whether the itinerary is nonstop or connecting. BookingTrolley shows a duration only when it is calculated from observed departure and arrival times.
Shoulder months often pair good weather with lower airfare into Dublin. BookingTrolley price trends on London to Dublin show steeper rises around major United Kingdom holiday periods.
Use BookingTrolley's flexible-date comparison for London (LHR) to Dublin (DUB) to see which days cost least. Avoiding Friday–Sunday peaks is one of the fastest ways for United Kingdom travellers to cut the ticket price.
Find cheap flights on popular routes
Explore fares from London, into Dublin, and on related corridors with BookingTrolley.