Cheap Flights from London to Dublin

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Find the cheapest month or even day of the year to fly to Dublin

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Flight deals from London to Dublin Airport

Looking for a cheap last-minute deal or the best return flight from London to Dublin Airport? If you want to travel next month, return fares start from $59. Find the lowest prices on one-way and return tickets right here.
Is this a good flight price? We’ll tell you.We compare today’s London to Dublin Airport prices with what travellers usually pay, so you can see if now’s a good time to book, or if it’s worth waiting.

Find the cheapest month to fly from London to Dublin

We’re always keeping an eye on fares, so you can find the best one in seconds. It looks like London to Dublin flights are currently cheapest in April.

Direct flights from London to Dublin

London to Dublin: Alternative routes

Compare routes from London to Dublin below. You may find an airport to fly into that's cheaper, faster, or easier than Dublin.

London to Dublin: Flight information

The things to know before you go.
Cheapest flight found$59
Cheapest month to flyApril
Average flight time1 hr, 22 mins
Most popular airlineBritish Airways
Average flights per week1,782

Finding cheap flights from London to Dublin: Frequently asked questions

The best price we found for a return flight from London to Dublin is $59. This is an estimate based on information collected from different airlines and travel providers over the last 4 days and is subject to change and availability.
1 hour and 22 minutes is the average flight time from London to Dublin.
British Airways, Aer Lingus and Ryanair fly direct from London to Dublin.
As of March 2026, there are 925 flights per week flying from London to Dublin.
The cheapest month to fly from London to Dublin is usually April.
After crunching the numbers on our flight calendar, we found that it is currently cheapest to fly from London to Dublin Airport on Wednesday, 8 April 2026.
Yes – the average flight time is 1 hour and 22 minutes.
We show every price from over 1,200 airlines and travel agents, comparing them all so you don’t have to. If you know you want to fly to Dublin but you’re not ready to book, set up a Price Alert. We’ll track prices for you, and let you know when they rise or fall.
We crunched all the numbers in our flight calendar and it looks like the cheapest time to book a flight to Dublin is around 40 days in advance, so don’t leave your flight to the last minute.
The cheapest airline that flies to Dublin is Ryanair .

Flying from London to Dublin Airport (DUB): What you need to know

  • London has plenty of airports to start your journey from. Explore your departure options from London Heathrow Airport (LHR) and London Gatwick Airport (LGW) when organising your flight from London to Dublin Airport (DUB). London Stansted Airport (STN), London Luton Airport (LTN) and London City Airport (LCY) are the city's other main bases.

  • 1 hour 25 minutes is the average journey time for a direct London to Dublin Airport flight.

  • Dublin (where Dublin Airport is located) and London share the UTC+0 timezone. You can plan your trip without factoring in timezone differences.

  • With 125 direct flights a week between the two airports, London Heathrow Airport (LHR) to Dublin Airport (DUB) is the busiest route. British Airways operates the earliest flight at 6:15am. If you're eager to get more out of your day before taking off, the latest departure from LHR to DUB is with Aer Lingus at 10pm.

  • Arriving two hours before an international flight and one hour ahead of a domestic departure are travel rules worth sticking to. Be at the airport on time to catch your flight from London to DUB.

  • Be prepared for longer lines during popular months such as July and other peak periods. Arriving up to four hours in advance for international flights and two hours for a domestic departure is a smart move.

Airports in London

London Heathrow Airport (LHR)

  • Reach your destination without the detour from London Heathrow Airport (LHR). Nonstop flights from London to Dublin Airport (DUB) are available from here.

  • You can get away on a direct flight from London to Dublin Airport with Aer Lingus. This leading airline offers services from LHR.

  • Aer Lingus is the airline most travellers choose for flights from LHR to DUB.

  • British Airways is the most punctual carrier on this route, with 78.6% of its services arriving on schedule.

  • Located around 24 kilometres from the centre of London, LHR can be reached in about 45 minutes by car, depending on traffic. The journey by public transport will take roughly 25 minutes.

  • Want a hassle-free start to your holiday? Stay near London Heathrow Airport. Whether you have an early flight from London to Dublin Airport or prefer not to rush, these hotels are the ideal choice:

  • 78% of flights leaving from London Heathrow Airport reach their destination on schedule.

London Gatwick Airport (LGW)

  • Planning to catch a flight from London Gatwick Airport (LGW)? Direct London to Dublin Airport (DUB) plane tickets can be booked from this popular hub.

  • Ryanair offers direct flights from London to DUB departing from LGW. Book your favourite aisle (or window) seat and get to your destination in a single stretch.

  • On the LGW to DUB route, Ryanair is the go-to airline for most travellers.

  • Ryanair is the most reliable carrier flying between London Gatwick Airport and Dublin Airport, with 73.48% of its services landing on schedule.

  • LGW is about 48 kilometres from central London. It'll take 1 hour 5 minutes or so to get to the airport if you're driving from the city centre. Public transport takes roughly 1 hour 20 minutes.

  • Flying out early in the morning? Think about staying at one of these accommodation options near London Gatwick Airport the day before your London to DUB flight:

  • Flights from London Gatwick Airport are known for their punctuality, with 82% of them landing right on cue.

London Stansted Airport (STN)

  • Board once and be on your way from London Stansted Airport (STN). Direct flights from London to Dublin Airport are available from here.

  • Take off from STN with Ryanair. This popular carrier offers direct London to DUB plane tickets.

  • Ryanair is the airline most travellers choose for flights from STN to DUB.

  • Ryanair is the most punctual carrier operating on this route, with 69.72% of its services arriving as planned.

  • The journey to STN from central London is around 45 minutes on public transport. If you're going by car, it'll take you roughly 1 hour 5 minutes to cover the 56 kilometres or so.

  • Make catching an early London to Dublin Airport flight the easiest part of your journey. Book a room at one of these hotels near London Stansted Airport and head to your check-in counter feeling relaxed and unhurried:

  • STN has a solid on-time arrivals rating of 80%, so you can count on your flight to stay on schedule and get to your destination as expected.

About Dublin Airport (DUB)

Getting from Dublin Airport (DUB) to central Dublin

  • From Dublin Airport, central Dublin is around 11 kilometres away. It takes about 25 minutes to reach the city centre by car.

  • Travelling by public transport will take you roughly 30 minutes.

How to find the cheapest flights from London to Dublin Airport (DUB)

  • Currently, $30 is the lowest price we've found for a one-way ticket from London to Dublin Airport. The cheapest price for a return flight is $59. Remember fares may change due to demand at the time of booking.

  • Get your hands on cheap flights from London to DUB by booking five months ahead. Based on our research, that's the ideal time frame for finding a bargain.

  • Schedule your trip for October. That's the best month for scoring a great bargain on London to Dublin Airport tickets. If you're flexible with your travel dates, use the 'Whole month' tool to find the cheapest price across each month.

  • Save time looking for cheap plane tickets from London to DUB by setting up a Price Alert. We'll send you an email or notification on the app when a lower fare becomes available.

  • Save on your flight from London to Dublin Airport by using the search filters. Select your ideal duration, number of stops and airlines, then sort the results by 'Cheapest' for the best deals.

The best time to fly from London to Dublin Airport (DUB)

  • July is the busiest month for flights from London to Dublin Airport (DUB). Visit Dublin in December for a more low-key escape.

  • Book a London to DUB plane ticket departing in July if you want to visit the city during its warmest month. Expect temperatures in Dublin to range from 10ºC to 19ºC.

  • Look for cheap tickets from London to Dublin Airport in January if you'd rather travel during cooler conditions. Temperatures are at their lowest then, ranging between 2ºC and 9ºC.

More about Dublin

Explore more of Ireland

  • You've seen Dublin, now it's time to explore other corners of Ireland. Journey about 225 kilometres southwest to Cork to tick off its popular sights. From Blarney Castle & Gardens to Blarney Castle House(Teach Caisleán na Blarnan) and Blarney Stone, there's plenty to keep you on the go.

  • If you're ready to explore another great destination in Ireland, consider Waterford, roughly 145 kilometres southwest of Dublin. Bishop's Palace, Christ Church Cathedral and Waterford Treasures Medieval Museum are key highlights.

Prices shown on this page are estimated lowest prices only. Found in the last 45 days.