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Cheap flights from London to Dublin from £15

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from London to Dublin departing on 1/4. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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Find the cheapest flights from London to Dublin

Cheap return flights

KAYAK's recommended return flight deals from the most popular airlines that fly from London to Dublin.
18:45 - 20:10LGW-DUB
1h 25mdirect
06:45 - 08:15DUB-LGW
1h 30mdirect
£28Ryanair
Find Deal
Sat, 10 May - Sun, 11 May
09:20 - 10:40STN-DUB
1h 20mdirect
06:30 - 07:50DUB-STN
1h 20mdirect
£28Ryanair
Find Deal
Thu, 1 May - Mon, 5 May
22:00 - 23:20STN-DUB
1h 20mdirect
19:35 - 20:55DUB-STN
1h 20mdirect
Mon, 16 Jun - Thu, 19 Jun
17:50 - 19:10STN-DUB
1h 20mdirect
06:25 - 07:45DUB-STN
1h 20mdirect
Thu, 10 Apr - Sun, 13 Apr
18:05 - 19:30LHR-DUB
1h 25mdirect
20:15 - 21:35DUB-LHR
1h 20mdirect
£66British Airways
Find Deal
Wed, 7 May - Thu, 8 May
18:05 - 19:30LHR-DUB
1h 25mdirect
20:15 - 21:35DUB-LHR
1h 20mdirect
£67British Airways
Find Deal
Wed, 7 May - Thu, 8 May
21:10 - 22:30LHR-DUB
1h 20mdirect
19:00 - 20:20DUB-LHR
1h 20mdirect
£104Aer Lingus
Find Deal
Thu, 15 May - Mon, 19 May
19:40 - 20:50LHR-DUB
1h 10mdirect
18:00 - 19:25DUB-LHR
1h 25mdirect
£104Aer Lingus
Find Deal
Sat, 10 May - Mon, 12 May
19:40 - 07:25LGW-DUB
11h 45m1 stop
13:20 - 19:10DUB-LGW
5h 50m1 stop
£122Vueling
Find Deal
Thu, 8 May - Wed, 14 May
19:50 - 07:35LGW-DUB
11h 45m1 stop
13:30 - 19:10DUB-LGW
5h 40m1 stop
£125Vueling
Find Deal
Wed, 23 Apr - Wed, 30 Apr

Ryanair flights from London to Dublin

Our best Ryanair deals on London to Dublin flight tickets
Ryanair
10 May
LGW18:45London Gatwick
1h 25m
DUB20:10Dublin
11 May
DUB06:45Dublin
1h 30m
LGW08:15London Gatwick
Ryanair
17 May
LGW18:45London Gatwick
1h 25m
DUB20:10Dublin
20 May
DUB19:25Dublin
1h 30m
LGW20:55London Gatwick
Ryanair
26 May
STN06:25London Stansted
1h 20m
DUB07:45Dublin
29 May
DUB07:35Dublin
1h 20m
STN08:55London Stansted

British Airways flights from London to Dublin

Our best British Airways deals on London to Dublin flight tickets
British Airways
7 May
LHR18:05London Heathrow
1h 25m
DUB19:30Dublin
8 May
DUB20:15Dublin
1h 20m
LHR21:35London Heathrow
British Airways
7 May
LHR18:05London Heathrow
1h 25m
DUB19:30Dublin
8 May
DUB20:15Dublin
1h 20m
LHR21:35London Heathrow
British Airways
7 May
LHR18:05London Heathrow
1h 25m
DUB19:30Dublin
13 May
DUB20:20Dublin
1h 20m
LHR21:40London Heathrow

See travel insights to Dublin from

How to get the cheapest flight ticket from London to Dublin

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the typical price of a round-trip flight between London and Dublin?

What is the cheapest month to fly to Dublin?

In general, January is the cheapest month to fly from London to Dublin. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around £52. If you aren’t able to travel to Dublin during the month of January, then flying in September is also cheap. Prices for this month can be found on momondo for an average of £53.

What is the cheapest day to depart on your flight to Dublin?

On average, the least expensive day to fly to Dublin from London is on a Tuesday. momondo users have found tickets for Tuesday departures for as low as £76. However, this price may fluctuate depending on the airline, the season, and holidays. If your travel schedule is flexible, try to avoid departing on a Sunday because tickets tend to average around £137. These prices are subject to change though, so be sure to set up a Price Alert for flights to Dublin.

What is the cheapest time of day to depart on your flight to Dublin?

Flying to Dublin from London in the evening is the least expensive time of day to depart. momondo users have found prices as low as £76 when looking at flights departing in the evening. If you have a flexible travel schedule, then try to avoid flying in the morning when prices are £131 on average. Flights to Dublin from London in the morning are generally more expensive because this time of day is more convenient for travellers’ schedules.

What is the cheapest London to Dublin flight route?

Fly from London Luton to Dublin for the best London - Dublin flight prices

How far in advance should I book a flight to Dublin?

You are more likely to see cheaper flights to Dublin from London when booking 21 weeks ahead of your departure date. In general, you can expect to find flights to Dublin for around £120 when searching 21 weeks out.However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Dublin from London for as low as £87 on momondo.

What cabin class options are available on London to Dublin flights?

There are 3 cabin classes available to choose from on London to Dublin flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

How have London to Dublin flight prices changed over time?

As of March 2025, prices for London to Dublin flights are approximately 67% more expensive when compared to flights at the same time last year.

When to book flights from London to Dublin

Are you open to changing your travel dates? Check out the ideal times to fly from London to Dublin according to our flight data. Find out which month and days have the cheapest flights.
Estimated return price

Cheap London to Dublin (LON to DUB) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from London to Dublin

Best price found

£15

Fastest flight time

1h 10m

Direct flights

Mon, Tue, Thu, Fri, Sat and Sun

Airports in Dublin

1 airport
The best one-way flight to Dublin from London in the past 72 hours is £15. The best return flight deal from London to Dublin found on momondo in the last 72 hours is £28.
The fastest flight from London to Dublin takes 1h 10m
Direct flights go from London to Dublin on Monday, Tuesday, Thursday, Friday, Saturday and Sunday. Airlines offering direct flights are: Ryanair, Aer Lingus and British Airways.
There is 1 airport near Dublin: Dublin (DUB)

  • How far is London to Dublin by plane?

    London and Dublin are 287.9 mi apart from one another. Typically, this will take 1h 10m by plane in normal conditions.

  • When did momondo last update prices for flights from London to Dublin Airport?

    Prices for flights from London to Dublin Airport are refreshed on a daily basis.

  • How many operators does momondo search for flights from London to Dublin Airport?

  • How old do you have to be to fly from London to Dublin Airport?

    The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from London to Dublin Airport.

  • What documentation or ID do you need to fly to Dublin Airport?

    The travel and health documents required for your trip to Dublin Airport can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Dublin Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

  • What is the most popular plane model from London to Dublin?

  • What is the most popular airline from London to Dublin?


Best airlines flying from London to Dublin

Compare and see reviews for airlines that fly from London to Dublin with momondo
Airline
Rating
Free Cancellation
Price
RyanairPriceFrom £27Free CancellationRating
6.8
5,005 reviews
Search Ryanair flights
British AirwaysPriceFrom £56Free CancellationRating
6.6
6,712 reviews
Search British Airways flights
Aer LingusPriceFrom £67Free CancellationRating
7.0
1,062 reviews
Search Aer Lingus flights
  • Aer Lingus Flights From London to Dublin

    Aer Lingus flight deals from London to Dublin start from £86 round-trip. Over the 66 Aer Lingus flights for this route in a normal week, average airfare is usually £184 round-trip - but some users have found much cheaper deals with momondo.

  • Ryanair Flights From London to Dublin

    Across 5,005 Ryanair reviews on momondo, the average score is 6.8/10. Ryanair flies from London to Dublin about 23 times each week, with ticket deals ranging from £35 to £74. Price data is based on momondo searches in the last 72 hours.


Travelling to a place near Dublin?

Book flights to Dublin if you plan to visit one of these locations
Swords
Kilkenny
Dundalk
Cavan
Athlone
Bray
Wicklow
Carlingford
Malahide
Drogheda
Gorey
Kildare
Naas
Enniscorthy
Mullingar
Portmarnock
Arklow
Tullamore
Leixlip
Maynooth

Why use momondo?

Why should I use momondo to find a flight deal from London to Dublin?

Finding the right flight to Dublin from London is quick and easy when you have a range of options in front of you, from reputable agents and recognisable airlines. Options that can then be filtered down to find the best fit. That is what momondo does. We make finding flights to Dublin quick and easy, saving you time and money.

Can I find flights from London to Dublin with flexible booking policies on momondo?

Yes. momondo enables you to select and highlight flights to Dublin from London with this policy.

How can momondo help me find flights from London to Dublin?

Once all potential London to Dublin flight options are in front of you, momondo lets you sort and filter flights based on preferences such as airline, price and flight times amongst many other options.

I’m not ready to book a flight from London to Dublin right now. Can momondo alert me if prices change?

Yes momondo offers price alerts on flights to Dublin from London. After performing a search on this page you should be able to see the price alert set up feature. Simply provide a valid email address and momondo will instantly alert you when prices change.


An easier way to manage your Dublin trip

We make it super easy to schedule, organise and travel with friends or family. Trips is free – and available to use no matter where you book.

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