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

Looking for a cheap last-minute deal or the best return flight from London to Dublin? Find the lowest prices on one-way and return tickets right here.

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 May.

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 foundRs4,761
Cheapest month to flyMay
Average flight time1 hr, 21 mins
Most popular airlineBritish Airways
Average flights per week752

Finding cheap flights from London to Dublin: Frequently asked questions

The best price we found for a return flight from London to Dublin is Rs9,523. 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 21 minutes is the average flight time from London to Dublin.
British Airways, Aer Lingus and Ryanair fly direct from London to Dublin.
As of May 2025, there are 773 flights per week flying from London to Dublin.
The cheapest month to fly from London to Dublin is usually May 2025.
After crunching the numbers on our flight calendar, we found that it is currently cheapest to fly from London to Dublin Airport on Saturday, 10 May 2025.
Yes – the average flight time is 1 hour and 21 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

  • When planning your flight from London to Dublin Airport (DUB), you'll have your choice of airports to leave from. Check out London Heathrow Airport (LHR) and London Gatwick Airport (LGW) for your departure. Other possibilities include Stansted Airport (STN), London Luton Airport (LTN) and London City Airport (LCY).

  • Approximately 1 hour 23 minutes is how long you can expect to be in the air on a direct flight from London to Dublin Airport.

  • Dublin Airport is located in Dublin. The city's timezone is UTC+0 — the same as London.

  • With 875 direct flights a week between the two airports, London Heathrow Airport (LHR) to Dublin Airport (DUB) is the most popular route. Ryanair operates the earliest flight at 05:50. If you'd like to get more out of your day before jetting off, the latest departure from LHR to DUB is with Ryanair at 23:00.

  • To ensure you catch your flight from London to DUB, leave enough time for things like baggage drop and finding your gate. Arriving two hours ahead of international departures and one hour before domestic flights is the standard rule.

  • Popular months like July or other peak periods mean longer queues and potential delays. Get a head start by getting to the airport even earlier. Plan for at least four hours ahead of international flights and two hours before domestic departures.

Airports in London

London Heathrow Airport (LHR)

  • You can hop on a direct flight from London to Dublin Airport (DUB) leaving from London Heathrow Airport (LHR).

  • You can book a direct flight from London to Dublin Airport with British Airways. This leading airline operates services from LHR.

  • Stopovers are the ideal opportunity to take a travel break — and maybe even explore another city. When searching for flights from London to DUB departing from London Heathrow Airport (LHR), uncheck the 'Direct flights only' box to see where you can stop along the way. Some popular options include:

    • Glasgow International Airport (GLA)

    • Manchester Airport (MAN)

    • Brussels Airport (BRU)

  • From central London, LHR is approximately 31 kilometres away. Use navigation apps or visit the official airport website to find the best way to get there.

  • Searching for a convenient hotel near London Heathrow Airport? If you're catching an early flight from London to Dublin Airport, these accommodation options will have you moments from your check-in counter:

London Gatwick Airport (LGW)

  • Looking to fly out of London Gatwick Airport (LGW)? You can book a direct flight from London to Dublin Airport (DUB) out of this popular hub.

  • There are numerous airlines that operate direct flights from London to DUB. Compare your options below to see which carrier works best with your plans leaving from LGW:

  • Visit family or friends or just take some time to unwind with a stopover. If you'd like to split up your flight from London to Dublin Airport, browse these options when setting off from London Gatwick Airport:

    • Manchester Airport (MAN)

    • Glasgow International Airport (GLA)

    • Newcastle International Airport (NCL)

  • LGW is about 80 kilometres from central London. It'll take you 1 hour and 19 minutes or so to get to the airport in a car from the city centre. Public transport takes approximately 1 hour and 26 minutes.

  • Want to treat yourself to an extra night away before your flight from London to DUB? Check in to a hotel near London Gatwick Airport before your holiday officially starts. Check out these accommodation options:

About Dublin Airport (DUB)

Getting from Dublin Airport (DUB) to central Dublin

  • Dublin Airport to the centre of Dublin is around 29 minutes by car. It's approximately 21 kilometres away. See what options are available, such as cabs, car rentals or ride-sharing services.

  • Getting to the centre on public transport will take you roughly 2 hours and 9 minutes.

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

  • For a one-way ticket from London to Dublin Airport, Rs4,761 is the cheapest price. You can also book a return flight from just Rs9,523. These are the lowest fares right now but could change based on availability.

  • Get cheap tickets from London to DUB by booking 1 month ahead. According to flight price data, that's the sweet spot for bagging a bargain.

  • The cheapest month for tickets from London to Dublin Airport is October. Use the 'Whole month' tool to find the most affordable day to fly if you're flexible with your plans.

  • Create a Price Alert and keep an eye on changes on this route through push notifications or email. You'll know straight away when the fares drop. Timing matters when searching for flight tickets from London to DUB.

  • Customise your trip using filters. Choose the number of stops, duration, and departure and arrival times to find the ideal flight from London to Dublin Airport. You can also sort the results to see the 'Best,' 'Cheapest' or 'Fastest' options first.

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

  • It's time to figure out your travel dates for your flight from London to Dublin Airport. August is the most popular month for a trip to Dublin. If you like a quieter atmosphere, go in February.

  • Before booking a flight from London to DUB, think about the kind of weather you enjoy. July is the warmest month in Dublin, with the temperature ranging from 10ºC to 20ºC.

  • Look for cheap flights from London to Dublin Airport in January if you like cooler conditions. Temperatures are at their lowest around then, ranging between 1ºC and 9ºC on average.

More about Dublin

  • When it comes to looking for somewhere to rest your head, you'll find the most popular stays in Dublin right here. Browse these options after locking in your flight from London to Dublin Airport:

  • Every great adventure has to include a little sightseeing. Guinness Storehouse, Trinity College Library and Dublin Castle are attractions you won't want to skip in Dublin.

Complete your Dublin trip with a car rental

  • Close all those tabs and let us do the hard work for you. We've also got awesome deals on car rentals in Dublin once you've booked your cheap flight from London to Dublin Airport. Easily compare prices in one place and drive away with the lowest rate in town.

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