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Cheap flights from London to Dublin from £20

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 6/2. 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

These are some of the best return flight deals from London to Dublin that have been recently found on momondo from popular airlines, departing in the coming months.

Cheap one-way flights

Flying one-way? These are some of the best deals recently discovered on momondo for flights from London to Dublin.

Cheap last-minute flights

Planning a quick getaway from London to Dublin? These are the last-minute flight deals available now.

Cheap direct flights

If you prefer a non-stop journey, check out our latest direct flight deals to Dublin, so you can enjoy a seamless trip without stopovers.

Cheap bus & train deals from London to Dublin

Find recent round-trip train or bus tickets from London to Dublin.

All round-trip flight deals to Dublin

The cheapest plane tickets to Dublin found on KAYAK recently.
08:50 - 10:10LGW-DUB
1h 20mdirect
06:30 - 08:00DUB-LGW
1h 30mdirect
£28Ryanair
Find Deal
Thu, 9 Jan - Sun, 12 Jan
20:35 - 21:50LTN-DUB
1h 15mdirect
20:45 - 22:00DUB-LTN
1h 15mdirect
£28Ryanair
Find Deal
Sat, 4 Jan - Mon, 6 Jan
18:55 - 20:15LGW-DUB
1h 20mdirect
18:25 - 19:55DUB-LGW
1h 30mdirect
£29Ryanair
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Sat, 1 Feb - Thu, 13 Feb
06:30 - 07:50STN-DUB
1h 20mdirect
08:15 - 09:35DUB-STN
1h 20mdirect
Sat, 22 Feb - Mon, 24 Feb
10:45 - 12:05STN-DUB
1h 20mdirect
18:45 - 20:05DUB-STN
1h 20mdirect
£54Ryanair
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Sat, 4 Jan - Mon, 6 Jan
06:30 - 07:55LHR-DUB
1h 25mdirect
08:40 - 10:15DUB-LHR
1h 35mdirect
£69British Airways
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Mon, 24 Feb - Tue, 25 Feb
06:30 - 07:55LHR-DUB
1h 25mdirect
14:55 - 16:15DUB-LHR
1h 20mdirect
£69British Airways
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Tue, 11 Mar - Tue, 25 Mar
14:55 - 16:15LGW-DUB
1h 20mdirect
10:25 - 08:05DUB-LGW
21h 40m1 stop
Thu, 9 Jan - Sun, 12 Jan
17:45 - 19:05LHR-DUB
1h 20mdirect
06:40 - 08:05DUB-LHR
1h 25mdirect
£108Aer Lingus
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Sat, 18 Jan - Mon, 20 Jan
15:10 - 16:35LHR-DUB
1h 25mdirect
18:30 - 19:50DUB-LHR
1h 20mdirect
£108Aer Lingus
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Thu, 9 Jan - Sun, 12 Jan
20:05 - 21:20LTN-DUB
1h 15mdirect
£20Ryanair
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Thu, 6 Feb
06:35 - 07:55STN-DUB
1h 20mdirect
£20Ryanair
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Fri, 3 Jan
06:30 - 07:50STN-DUB
1h 20mdirect
£25Ryanair
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Mon, 3 Feb
10:45 - 12:05STN-DUB
1h 20mdirect
£28Ryanair
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Sat, 22 Feb
06:20 - 07:45LHR-DUB
1h 25mdirect
£44British Airways
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Mon, 12 May
19:55 - 21:15LHR-DUB
1h 20mdirect
£47British Airways
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Sat, 1 Feb
20:45 - 22:05LHR-DUB
1h 20mdirect
£49Aer Lingus
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Tue, 28 Jan
08:45 - 22:40LTN-DUB
13h 55m1 stop
Wed, 22 Jan
08:50 - 22:40STN-DUB
13h 50m1 stop
Wed, 22 Jan
19:45 - 21:05LHR-DUB
1h 20mdirect
£57Aer Lingus
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Tue, 31 Dec
21:20 - 22:40STN-DUB
1h 20mdirect
08:15 - 09:35DUB-STN
1h 20mdirect
£59Ryanair
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Thu, 26 Dec - Wed, 29 Jan
12:35 - 13:55STN-DUB
1h 20mdirect
09:05 - 15:25DUB-STN
6h 20m1 stop
£75Ryanair
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Sun, 29 Dec - Tue, 7 Jan
12:35 - 13:55STN-DUB
1h 20mdirect
21:10 - 23:30DUB-STN
26h 20m1 stop
Sun, 29 Dec - Sun, 5 Jan
21:45 - 23:05STN-DUB
1h 20mdirect
05:55 - 07:05DUB-STN
25h 10m1 stop
Sat, 28 Dec - Sat, 4 Jan
17:10 - 18:40LHR-DUB
1h 30mdirect
17:55 - 19:15DUB-LHR
1h 20mdirect
£118British Airways
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Sun, 29 Dec - Tue, 7 Jan
20:45 - 22:05LHR-DUB
1h 20mdirect
19:45 - 21:00DUB-LHR
1h 15mdirect
£119Aer Lingus
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Sat, 28 Dec - Tue, 7 Jan
06:30 - 07:55LHR-DUB
1h 25mdirect
08:40 - 10:15DUB-LHR
1h 35mdirect
£120British Airways
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Fri, 27 Dec - Fri, 10 Jan
20:45 - 22:05LHR-DUB
1h 20mdirect
19:45 - 21:00DUB-LHR
1h 15mdirect
£134Aer Lingus
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Sat, 28 Dec - Mon, 6 Jan
06:30 - 12:40LHR-DUB
6h 10m1 stop
13:25 - 19:15DUB-LHR
5h 50m1 stop
£205KLM
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Sun, 29 Dec - Tue, 7 Jan
17:50 - 22:05LHR-DUB
4h 15m1 stop
08:50 - 16:05DUB-LHR
7h 15m1 stop
£211KLM
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Fri, 27 Dec - Fri, 10 Jan
08:50 - 10:10LGW-DUB
1h 20mdirect
06:30 - 08:00DUB-LGW
1h 30mdirect
£28Ryanair
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Thu, 9 Jan - Sun, 12 Jan
06:00 - 07:15LTN-DUB
1h 15mdirect
17:35 - 18:50DUB-LTN
1h 15mdirect
£28Ryanair
Find Deal
Sat, 4 Jan - Sat, 11 Jan
18:55 - 20:15LGW-DUB
1h 20mdirect
18:25 - 19:55DUB-LGW
1h 30mdirect
£29Ryanair
Find Deal
Sat, 1 Feb - Thu, 13 Feb
10:45 - 12:05STN-DUB
1h 20mdirect
18:45 - 20:05DUB-STN
1h 20mdirect
£54Ryanair
Find Deal
Sat, 4 Jan - Mon, 6 Jan
19:55 - 21:15LHR-DUB
1h 20mdirect
20:30 - 21:50DUB-LHR
1h 20mdirect
£68British Airways
Find Deal
Sat, 1 Feb - Wed, 12 Feb
06:30 - 07:55LHR-DUB
1h 25mdirect
08:40 - 10:15DUB-LHR
1h 35mdirect
£69British Airways
Find Deal
Mon, 24 Feb - Tue, 25 Feb
20:45 - 22:05LHR-DUB
1h 20mdirect
08:40 - 10:15DUB-LHR
1h 35mdirect
Tue, 21 Jan - Tue, 4 Feb
07:50 - 09:10LHR-DUB
1h 20mdirect
08:40 - 10:15DUB-LHR
1h 35mdirect
Fri, 24 Jan - Tue, 28 Jan
17:45 - 19:05LHR-DUB
1h 20mdirect
06:40 - 08:05DUB-LHR
1h 25mdirect
£108Aer Lingus
Find Deal
Sat, 18 Jan - Mon, 20 Jan
15:10 - 16:35LHR-DUB
1h 25mdirect
18:30 - 19:50DUB-LHR
1h 20mdirect
£108Aer Lingus
Find Deal
Thu, 9 Jan - Sun, 12 Jan

British Airways flights from London to Dublin

Our best British Airways deals on London to Dublin flight tickets
British Airways
24 Feb
LHR06:30London Heathrow
1h 25m
DUB07:55Dublin
25 Feb
DUB08:40Dublin
1h 35m
LHR10:15London Heathrow
British Airways
11 Mar
LHR06:30London Heathrow
1h 25m
DUB07:55Dublin
25 Mar
DUB14:55Dublin
1h 20m
LHR16:15London Heathrow
British Airways
25 Jan
LHR18:25London Heathrow
1h 20m
DUB19:45Dublin
27 Jan
DUB08:40Dublin
1h 35m
LHR10:15London Heathrow

Ryanair flights from London to Dublin

Our best Ryanair deals on London to Dublin flight tickets
Ryanair
9 Jan
LGW08:50London Gatwick
1h 20m
DUB10:10Dublin
12 Jan
DUB06:30Dublin
1h 30m
LGW08:00London Gatwick
Ryanair
1 Feb
LGW18:55London Gatwick
1h 20m
DUB20:15Dublin
13 Feb
DUB18:25Dublin
1h 30m
LGW19:55London Gatwick
Ryanair
6 Jan
LGW19:20London Gatwick
1h 20m
DUB20:40Dublin
10 Jan
DUB07:45Dublin
1h 30m
LGW09:15London Gatwick

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 £53. 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 £56.

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 £70. 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 Friday because tickets tend to average around £102. 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 morning is the least expensive time of day to depart. momondo users have found prices as low as £83 when looking at flights departing in the morning. If you have a flexible travel schedule, then try to avoid flying in the afternoon when prices are £92 on average. Flights to Dublin from London in the afternoon 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 Gatwick 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 52 days ahead of your departure date. In general, you can expect to find flights to Dublin for around £114 when searching 52 days out. In the past 72 hours, momondo users found flights from London to Dublin for as low as £70.

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

There are 4 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.

Can stopping save me money on London to Dublin flights?

You could potentially save up to 221% on your flight if you consider stops on a London to Dublin flight.

How have London to Dublin flight prices changed over time?

As of December 2024, prices for London to Dublin flights are approximately 64% 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

£20

Fastest flight time

1h 15m

Direct flights

Every day

Airports in Dublin

1 airport
The best one-way flight to Dublin from London in the past 72 hours is £20. 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 15m
Direct flights go from London to Dublin every day.
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 15m 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 £28Free CancellationRating
6.8
5,195 reviews
Search Ryanair flights
Aer LingusPriceFrom £53Free CancellationRating
7.1
1,074 reviews
Search Aer Lingus flights
British AirwaysPriceFrom £55Free CancellationRating
6.6
6,813 reviews
Search British Airways flights
LufthansaPriceFrom £122Free CancellationRating
6.8
7,084 reviews
Search Lufthansa flights
  • Aer Lingus Flights From London to Dublin

    Aer Lingus flight deals from London to Dublin start from £66 round-trip. Over the 88 Aer Lingus flights for this route in a normal week, average airfare is usually £160 round-trip - but some users have found much cheaper deals with momondo.

  • Ryanair Flights From London to Dublin

    Across 5,195 Ryanair reviews on momondo, the average score is 6.8/10. Ryanair flies from London to Dublin about 30 times each week, with ticket deals ranging from £35 to £71. Price data is based on momondo searches in the last 72 hours.


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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