Cheap flights from London to Dublin from €29

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 22/9. 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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Cheap return flights

Ryanair Logo
21:30 - 22:55LGW-DUB
1h 25mdirect
Ryanair Logo
19:10 - 20:40DUB-LGW
1h 30mdirect
€43Ryanair
Find Deal
Thu, 9 Oct - Thu, 16 Oct
Ryanair Logo
14:10 - 15:25LTN-DUB
1h 15mdirect
Ryanair Logo
06:20 - 07:35DUB-LTN
1h 15mdirect
€43Ryanair
Find Deal
Thu, 27 Nov - Sun, 30 Nov
Ryanair Logo
06:30 - 07:50STN-DUB
1h 20mdirect
Ryanair Logo
22:00 - 23:20DUB-STN
1h 20mdirect
€43Ryanair
Find Deal
Wed, 29 Oct - Fri, 31 Oct
Ryanair Logo
19:00 - 20:25LGW-DUB
1h 25mdirect
Ryanair Logo
06:45 - 08:15DUB-LGW
1h 30mdirect
€44Ryanair
Find Deal
Tue, 23 Sep - Sun, 28 Sep
Ryanair Logo
17:00 - 18:15LTN-DUB
1h 15mdirect
Ryanair Logo
14:35 - 15:45DUB-LTN
1h 10mdirect
€44Ryanair
Find Deal
Fri, 19 Sep - Sat, 20 Sep
 Logo
10:15 - 11:35STN-DUB
1h 20mdirect
 Logo
21:40 - 23:00DUB-STN
1h 20mdirect
Mon, 10 Nov - Mon, 10 Nov
British Airways Logo
06:15 - 07:40LHR-DUB
1h 25mdirect
British Airways Logo
11:05 - 12:35DUB-LHR
1h 30mdirect
€81British Airways
Find Deal
Sat, 11 Oct - Mon, 13 Oct
British Airways Logo
06:15 - 07:40LHR-DUB
1h 25mdirect
British Airways Logo
11:05 - 12:35DUB-LHR
1h 30mdirect
€81British Airways
Find Deal
Sat, 11 Oct - Mon, 13 Oct
British Airways Logo
06:30 - 07:55LHR-DUB
1h 25mdirect
British Airways Logo
16:05 - 17:30DUB-LHR
1h 25mdirect
€82British Airways
Find Deal
Thu, 13 Nov - Sat, 15 Nov
British Airways Logo
06:20 - 07:45LHR-DUB
1h 25mdirect
British Airways Logo
10:50 - 12:30DUB-LHR
1h 40mdirect
€83British Airways
Find Deal
Fri, 10 Oct - Wed, 15 Oct

Ryanair flights from London to Dublin

Our best Ryanair deals on London to Dublin flight tickets
Ryanair
9 Oct
LGW21:30London Gatwick
1h 25m
DUB22:55Dublin
16 Oct
DUB19:10Dublin
1h 30m
LGW20:40London Gatwick
Ryanair
19 Sept
LTN17:00London Luton
1h 15m
DUB18:15Dublin
20 Sept
DUB14:35Dublin
1h 10m
LTN15:45London Luton
Ryanair
11 Sept
STN22:55London Stansted
1h 20m
DUB00:15Dublin
14 Sept
DUB06:25Dublin
1h 20m
STN07:45London Stansted

British Airways flights from London to Dublin

Our best British Airways deals on London to Dublin flight tickets
British Airways
11 Oct
LHR06:15London Heathrow
1h 25m
DUB07:40Dublin
13 Oct
DUB11:05Dublin
1h 30m
LHR12:35London Heathrow
British Airways
11 Oct
LHR06:15London Heathrow
1h 25m
DUB07:40Dublin
13 Oct
DUB11:05Dublin
1h 30m
LHR12:35London Heathrow
British Airways
13 Nov
LHR06:30London Heathrow
1h 25m
DUB07:55Dublin
15 Nov
DUB16:05Dublin
1h 25m
LHR17:30London Heathrow

momondo Fare Finder

 
Customise your flight search to find flights from London to Dublin that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, momondo users made 13,528 searches. Data last updated 26 August 2025.
Use the filters below to find and compare flights from London to Dublin that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

LondonDublin

LGW - DUB

LGWDUB

London Gatwick

Thu 9/10

21:30-22:55

Nonstop1h 25m

Dublin

Thu 16/10

19:10-20:40

Nonstop1h 30m

€43

LondonDublin

LTN - DUB

LTNDUB

London Luton

Thu 27/11

14:10-15:25

Nonstop1h 15m

Dublin

Sun 30/11

06:20-07:35

Nonstop1h 15m

€43

LondonDublin

STN - DUB

STNDUB

London Stansted

Wed 29/10

06:30-07:50

Nonstop1h 20m

Dublin

Fri 31/10

22:00-23:20

Nonstop1h 20m

€43

LondonDublin

LGW - DUB

LGWDUB

London Gatwick

Tue 23/9

19:00-20:25

Nonstop1h 25m

Dublin

Sun 28/9

06:45-08:15

Nonstop1h 30m

€44

LondonDublin

LTN - DUB

LTNDUB

London Luton

Fri 19/9

17:00-18:15

Nonstop1h 15m

Dublin

Sat 20/9

14:35-15:45

Nonstop1h 10m

€44

LondonDublin

STN - DUB

STNDUB

London Stansted

Mon 10/11

10:15-11:35

Nonstop1h 20m

Dublin

Mon 10/11

21:40-23:00

Nonstop1h 20m

€50

LondonDublin

LHR - DUB

LHRDUB

London Heathrow

Sat 11/10

06:15-07:40

Nonstop1h 25m

Dublin

Mon 13/10

11:05-12:35

Nonstop1h 30m

€80

LondonDublin

LHR - DUB

LHRDUB

London Heathrow

Sat 11/10

06:15-07:40

Nonstop1h 25m

Dublin

Mon 13/10

11:05-12:35

Nonstop1h 30m

€81

LondonDublin

LHR - DUB

LHRDUB

London Heathrow

Thu 13/11

06:30-07:55

Nonstop1h 25m

Dublin

Sat 15/11

16:05-17:30

Nonstop1h 25m

€82

LondonDublin

LHR - DUB

LHRDUB

London Heathrow

Fri 10/10

06:20-07:45

Nonstop1h 25m

Dublin

Wed 15/10

10:50-12:30

Nonstop1h 40m

€83

Flights are sorted by cheapest return flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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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 €57.

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

Our data shows that Tuesday is the least expensive day to fly to Dublin. Tickets to fly out on this day can be as low as €144. If your travel schedule is flexible, try to avoid departing on a Thursday because tickets tend to average around €238. 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 in the afternoon. Our users have found flights to Dublin in the afternoon for as low as €156. If you have a flexible travel schedule, then try to avoid flying at midday when prices are €287 on average. Flights to Dublin from London at midday 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 weeks ahead of your departure date. In general, you can expect to find flights to Dublin for around €143 when searching weeks before you fly. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Dublin from London for as low as €104 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 August 2025, prices for London to Dublin flights are approximately 53% 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

€90

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 €90. The best return flight deal from London to Dublin found on momondo in the last 72 hours is €122.
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 €84Free CancellationRating
6.7
7,309 reviews
Search British Airways flights
Aer LingusPriceFrom €144Free CancellationRating
7.2
1,237 reviews
Search Aer Lingus flights
  • Aer Lingus Flights From London to Dublin

    Aer Lingus flies from London to Dublin around 106 times per week, with 1,237 momondo users rating the airline 7.2/10. The cheapest Aer Lingus deal from London to Dublin in the last 72 hours was €168 (round-trip), much lower than the average airfare cost of €179 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 €98, round-trip. It should be noted that an average British Airways flight deal for this route in this time was higher, at €157 round-trip. British Airways operates 103 flights out of London into Dublin in an average week, so prices vary by time and availability. 7,309 British Airways reviews by users on momondo have scored the airline at 6.7/10.

Travelling to a place near Dublin?

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

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.

An easier way to manage your Dublin trip

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Sun 31/8
Sun 7/9

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