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Cheap flights from London to Dublin from €21

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 17/2. 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 return train or bus tickets from London to Dublin.

All return flight deals from London to Dublin

The cheapest plane tickets from London to Dublin found on KAYAK recently.
18:00 - 19:20LGW-DUB
1h 20mdirect
06:55 - 08:25DUB-LGW
1h 30mdirect
€33Ryanair
Find Deal
Sat, 1 Mar - Mon, 3 Mar
05:50 - 07:05LTN-DUB
1h 15mdirect
07:10 - 08:25DUB-LTN
1h 15mdirect
€33Ryanair
Find Deal
Fri, 7 Feb - Sun, 9 Feb
06:30 - 07:50STN-DUB
1h 20mdirect
22:00 - 23:20DUB-STN
1h 20mdirect
Mon, 17 Mar - Mon, 17 Mar
10:45 - 12:05STN-DUB
1h 20mdirect
12:05 - 13:25DUB-STN
1h 20mdirect
Sat, 1 Mar - Wed, 5 Mar
06:50 - 08:15LCY-DUB
1h 25mdirect
20:10 - 21:40DUB-LCY
1h 30mdirect
€66British Airways
Find Deal
Fri, 28 Feb - Fri, 28 Feb
17:15 - 18:35LCY-DUB
1h 20mdirect
20:10 - 21:40DUB-LCY
1h 30mdirect
€69British Airways
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Tue, 4 Mar - Tue, 11 Mar
10:45 - 12:05STN-DUB
1h 20mdirect
18:45 - 20:05DUB-STN
1h 20mdirect
€76Ryanair
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Sat, 1 Feb - Mon, 3 Feb
18:45 - 20:05LHR-DUB
1h 20mdirect
18:30 - 19:50DUB-LHR
1h 20mdirect
€98Aer Lingus
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Sat, 1 Feb - Sat, 8 Feb
19:35 - 20:50LHR-DUB
1h 15mdirect
19:45 - 21:00DUB-LHR
1h 15mdirect
€107Aer Lingus
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Sat, 15 Feb - Mon, 17 Feb
16:15 - 19:25STN-DUB
3h 10m1 stop
19:50 - 23:30DUB-STN
3h 40m1 stop
€173Ryanair
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Mon, 17 Feb - Mon, 24 Feb
16:20 - 17:40LGW-DUB
1h 20mdirect
€21Ryanair
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Mon, 17 Feb
09:00 - 10:15LTN-DUB
1h 15mdirect
€21Ryanair
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Sun, 9 Mar
06:30 - 07:50STN-DUB
1h 20mdirect
€36Ryanair
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Mon, 3 Feb
13:40 - 15:00LCY-DUB
1h 20mdirect
€44British Airways
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Tue, 1 Apr
15:00 - 16:20LCY-DUB
1h 20mdirect
€45British Airways
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Thu, 27 Feb
06:30 - 07:50STN-DUB
1h 20mdirect
€54Ryanair
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Mon, 3 Feb
06:20 - 08:45STN-DUB
26h 25m1 stop
Fri, 24 Jan
16:20 - 17:45LHR-DUB
1h 25mdirect
€60Aer Lingus
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Sat, 8 Feb
20:45 - 22:05LHR-DUB
1h 20mdirect
€61Aer Lingus
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Fri, 7 Feb
19:10 - 17:20STN-DUB
22h 10m1 stop
Fri, 7 Feb
08:50 - 10:10LGW-DUB
1h 20mdirect
12:55 - 14:25DUB-LGW
1h 30mdirect
€42Ryanair
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Thu, 23 Jan - Mon, 27 Jan
05:55 - 07:10LTN-DUB
1h 15mdirect
07:20 - 08:35DUB-LTN
1h 15mdirect
€42Ryanair
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Mon, 20 Jan - Thu, 23 Jan
20:15 - 21:35STN-DUB
1h 20mdirect
18:45 - 20:05DUB-STN
1h 20mdirect
Mon, 20 Jan - Mon, 27 Jan
13:45 - 15:05STN-DUB
1h 20mdirect
08:15 - 09:35DUB-STN
1h 20mdirect
Fri, 24 Jan - Mon, 27 Jan
07:50 - 10:45STN-DUB
26h 55m1 stop
08:15 - 09:35DUB-STN
1h 20mdirect
€93Ryanair
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Thu, 23 Jan - Mon, 27 Jan
06:30 - 07:55LHR-DUB
1h 25mdirect
17:50 - 19:10DUB-LHR
1h 20mdirect
€113British Airways
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Fri, 24 Jan - Mon, 27 Jan
06:30 - 07:55LHR-DUB
1h 25mdirect
17:50 - 19:10DUB-LHR
1h 20mdirect
€119British Airways
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Thu, 23 Jan - Mon, 27 Jan
20:45 - 22:05LHR-DUB
1h 20mdirect
06:40 - 08:05DUB-LHR
1h 25mdirect
€144Aer Lingus
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Fri, 24 Jan - Sun, 26 Jan
20:45 - 22:05LHR-DUB
1h 20mdirect
06:40 - 08:05DUB-LHR
1h 25mdirect
€145Aer Lingus
Find Deal
Fri, 24 Jan - Sun, 26 Jan
13:55 - 17:05STN-DUB
3h 10m1 stop
08:15 - 09:35DUB-STN
1h 20mdirect
€183Ryanair
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Fri, 24 Jan - Mon, 27 Jan
21:30 - 22:50LGW-DUB
1h 20mdirect
06:30 - 08:00DUB-LGW
1h 30mdirect
€33Ryanair
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Sat, 1 Mar - Sun, 2 Mar
05:50 - 07:05LTN-DUB
1h 15mdirect
07:10 - 08:25DUB-LTN
1h 15mdirect
€33Ryanair
Find Deal
Fri, 7 Feb - Sun, 9 Feb
22:15 - 23:35STN-DUB
1h 20mdirect
08:15 - 09:35DUB-STN
1h 20mdirect
€33Ryanair
Find Deal
Fri, 7 Feb - Sun, 9 Feb
06:30 - 07:50STN-DUB
1h 20mdirect
22:00 - 23:20DUB-STN
1h 20mdirect
Mon, 17 Mar - Mon, 17 Mar
10:45 - 12:05STN-DUB
1h 20mdirect
12:05 - 13:25DUB-STN
1h 20mdirect
Sat, 1 Mar - Wed, 5 Mar
06:50 - 08:15LCY-DUB
1h 25mdirect
20:10 - 21:40DUB-LCY
1h 30mdirect
€66British Airways
Find Deal
Fri, 28 Feb - Fri, 28 Feb
17:15 - 18:35LCY-DUB
1h 20mdirect
20:10 - 21:40DUB-LCY
1h 30mdirect
€69British Airways
Find Deal
Tue, 4 Mar - Tue, 11 Mar
10:45 - 12:05STN-DUB
1h 20mdirect
18:45 - 20:05DUB-STN
1h 20mdirect
€76Ryanair
Find Deal
Sat, 1 Feb - Mon, 3 Feb
18:45 - 20:05LHR-DUB
1h 20mdirect
18:30 - 19:50DUB-LHR
1h 20mdirect
€98Aer Lingus
Find Deal
Sat, 1 Feb - Sat, 8 Feb
19:35 - 20:50LHR-DUB
1h 15mdirect
19:45 - 21:00DUB-LHR
1h 15mdirect
€107Aer Lingus
Find Deal
Sat, 15 Feb - Mon, 17 Feb

Ryanair flights from London to Dublin

Our best Ryanair deals on London to Dublin flight tickets
Ryanair
1 Mar
LGW18:00London Gatwick
1h 20m
DUB19:20Dublin
3 Mar
DUB06:55Dublin
1h 30m
LGW08:25London Gatwick
Ryanair
25 Feb
LGW11:25London Gatwick
1h 20m
DUB12:45Dublin
28 Feb
DUB07:00Dublin
1h 30m
LGW08:30London Gatwick
Ryanair
15 Feb
LGW21:30London Gatwick
1h 20m
DUB22:50Dublin
16 Feb
DUB08:15Dublin
1h 30m
LGW09:45London Gatwick

British Airways flights from London to Dublin

Our best British Airways deals on London to Dublin flight tickets
British Airways
28 Feb
LCY06:50London City
1h 25m
DUB08:15Dublin
28 Feb
DUB20:10Dublin
1h 30m
LCY21:40London City
British Airways
4 Mar
LCY17:15London City
1h 20m
DUB18:35Dublin
11 Mar
DUB20:10Dublin
1h 30m
LCY21:40London City
British Airways
3 Mar
LCY15:00London City
1h 20m
DUB16:20Dublin
3 Mar
DUB20:10Dublin
1h 30m
LCY21:40London City

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?

If you aren’t able to travel during the month of January, then book flights to Dublin from London during September instead. Flights to Dublin in September, while not as cheap as those in January, still average around €69.

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

Our data shows that Sunday is the least expensive day to fly to Dublin. Tickets to fly out on this day can be as low as €106. If your travel schedule is flexible, try to avoid departing on a Monday because tickets tend to average around €182. 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?

Our data shows that the cheapest London to Dublin flights are usually those with departure times at midday. Our users have found flights to Dublin at midday for as low as €138. If you have a flexible travel schedule, then try to avoid flying in the morning when prices are €172 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 Stansted 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 25 weeks ahead of your departure date. In general, you can expect to find flights to Dublin for around €142 when searching 25 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 €107 on momondo.

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

There are 2 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 January 2025, 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

€21

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 €21. The best return flight deal from London to Dublin found on momondo in the last 72 hours is €33.
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?

    A flight from London to Dublin will travel around 463.4 km. A reasonable flight in good conditions will take 1h 15m.

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

    Prices for flights from London to Dublin Airport are updated daily.

  • 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 stopovers. 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 you'll need for your trip to Dublin Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's licence and a passport that is valid for six months after your intended arrival at Dublin Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

  • 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
British AirwaysPriceFrom €64Free CancellationRating
6.6
6,831 reviews
Search British Airways flights
Aer LingusPriceFrom €152Free CancellationRating
7.1
1,077 reviews
Search Aer Lingus flights
  • Aer Lingus Flights From London to Dublin

    Aer Lingus flies from London to Dublin around 143 times per week, with 1,077 momondo users rating the airline 7.1/10. The cheapest Aer Lingus deal from London to Dublin in the last 72 hours was €156 (round-trip), much lower than the average airfare cost of €185 for Aer Lingus flights on this route.

  • British Airways Flights From London to Dublin

    The best British Airways deal for London to Dublin flight tickets found on momondo in the last 72 hours was €65, round-trip. It should be noted that an average British Airways flight deal for this route in this time was higher, at €151 round-trip. British Airways operates 130 flights out of London into Dublin in an average week, so prices vary by time and availability. 6,831 British Airways reviews by users on momondo have scored the airline at 6.6/10.


Travelling to a place near Dublin?

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

Why use momondo?

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

We help find the flight that best suits your needs, momondo compares prices from hundreds of airlines and travel agents and helps you filter them to find the best flight from London to Dublin for you.

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

Yes. momondo allows you to filter the results for London to Dublin flights to just show those with flexible booking policies.

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

Once you have performed a search in the form on the page, momondo provides useful filters and insights. We can show you the cheapest days and times to fly as well as help filter your options to help you make an informed choice when booking flights to Dublin from London.

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

Price alerts on flights to Dublin from London are quick and easy to set up on momondo. Simply perform a search and select the price alert feature. It is as simple as that.


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