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Cheap flights from the United Kingdom to Ireland from €18

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from the United Kingdom to Ireland departing on 11/2. 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 the United Kingdom to Ireland

Recent return flight deals from the United Kingdom to Ireland

Enter your travel dates to find the best prices.
Ryanair Logo
23:10 - 00:05
LPL
-
DUB
0h 55mdirect
Ryanair Logo
05:50 - 06:45
DUB
-
LPL
0h 55mdirect
€39Ryanair
Fri, 13 Feb - Sun, 15 Feb
Ryanair Logo
08:50 - 10:15
LGW
-
DUB
1h 25mdirect
Ryanair Logo
18:05 - 19:30
DUB
-
LGW
1h 25mdirect
€40Ryanair
Wed, 25 Feb - Wed, 25 Feb
Ryanair Logo
22:30 - 23:30
GLA
-
DUB
1h 00mdirect
Ryanair Logo
05:55 - 06:55
DUB
-
GLA
1h 00mdirect
€40Ryanair
Sat, 14 Mar - Sat, 21 Mar
Ryanair Logo
08:05 - 09:20
LTN
-
DUB
1h 15mdirect
Ryanair Logo
09:15 - 10:30
DUB
-
LTN
1h 15mdirect
€40Ryanair
Sun, 22 Mar - Sun, 29 Mar
Ryanair Logo
21:45 - 23:05
STN
-
DUB
1h 20mdirect
Ryanair Logo
08:30 - 09:50
DUB
-
STN
1h 20mdirect
€40Ryanair
Sat, 14 Mar - Tue, 17 Mar
Multiple Airlines Logo
15:50 - 16:50
MAN
-
DUB
1h 00mdirect
Multiple Airlines Logo
14:35 - 15:35
DUB
-
MAN
1h 00mdirect
€41Multiple Airlines
Thu, 26 Mar - Mon, 30 Mar
British Airways Logo
06:15 - 07:40
LHR
-
DUB
1h 25mdirect
British Airways Logo
18:50 - 20:05
DUB
-
LHR
1h 15mdirect
€73British Airways
Sat, 30 May - Thu, 4 Jun
British Airways Logo
18:25 - 19:50
LHR
-
DUB
1h 25mdirect
British Airways Logo
10:45 - 12:20
DUB
-
LHR
1h 35mdirect
€79British Airways
Sat, 7 Mar - Mon, 9 Mar
British Airways Logo
15:30 - 17:00
LHR
-
DUB
1h 30mdirect
British Airways Logo
08:50 - 10:25
DUB
-
LHR
1h 35mdirect
€81British Airways
Sat, 28 Feb - Tue, 10 Mar
British Airways Logo
12:50 - 14:20
LHR
-
DUB
1h 30mdirect
British Airways Logo
20:40 - 22:00
DUB
-
LHR
1h 20mdirect
€83British Airways
Sat, 7 Mar - Wed, 11 Mar

Ryanair flights from United Kingdom to Ireland

Our best Ryanair deals on United Kingdom to Ireland flight tickets
Ryanair
13 Feb
LPL23:10Liverpool J. Lennon
0h 55m
DUB00:05Dublin
15 Feb
DUB05:50Dublin
0h 55m
LPL06:45Liverpool J. Lennon
€39
Ryanair
25 Feb
LGW08:50London Gatwick
1h 25m
DUB10:15Dublin
25 Feb
DUB18:05Dublin
1h 25m
LGW19:30London Gatwick
€40
Ryanair
26 Feb
BHX07:25Birmingham
1h 05m
DUB08:30Dublin
2 Mar
DUB18:00Dublin
1h 05m
BHX19:05Birmingham
€41

Aer Lingus flights from United Kingdom to Ireland

Our best Aer Lingus deals on United Kingdom to Ireland flight tickets
Aer Lingus
2 Feb
BHX08:15Birmingham
1h 05m
DUB09:20Dublin
5 Mar
DUB06:40Dublin
1h 05m
BHX07:45Birmingham
€52
Aer Lingus
13 Feb
BHX13:20Birmingham
1h 05m
DUB14:25Dublin
15 Feb
DUB06:40Dublin
1h 05m
BHX07:45Birmingham
€57
Aer Lingus
2 Feb
BHX08:15Birmingham
1h 05m
DUB09:20Dublin
4 Feb
DUB10:00Dublin
1h 10m
BHX11:10Birmingham
€58

momondo Fare Finder

 
Customise your flight search to find flights from United Kingdom to Ireland 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 29 January 2026.
Use the filters below to find and compare flights from the United Kingdom to Ireland that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

LiverpoolDublin

LPL - DUB

LPLDUB

Liverpool J. Lennon

Fri 13/2

23:10-00:05

Nonstop0h 55m

Dublin

Sun 15/2

05:50-06:45

Nonstop0h 55m

€39

LondonDublin

LGW - DUB

LGWDUB

London Gatwick

Wed 25/2

08:50-10:15

Nonstop1h 25m

Dublin

Wed 25/2

18:05-19:30

Nonstop1h 25m

€40

GlasgowDublin

GLA - DUB

GLADUB

Glasgow Intl

Sat 14/3

22:30-23:30

Nonstop1h 00m

Dublin

Sat 21/3

05:55-06:55

Nonstop1h 00m

€40

LondonDublin

LTN - DUB

LTNDUB

London Luton

Sun 22/3

08:05-09:20

Nonstop1h 15m

Dublin

Sun 29/3

09:15-10:30

Nonstop1h 15m

€40

LondonDublin

STN - DUB

STNDUB

London Stansted

Sat 14/3

21:45-23:05

Nonstop1h 20m

Dublin

Tue 17/3

08:30-09:50

Nonstop1h 20m

€40

ManchesterDublin

MAN - DUB

MANDUB

Manchester

Thu 26/3

15:50-16:50

Nonstop1h 00m

Dublin

Mon 30/3

14:35-15:35

Nonstop1h 00m

€41

LondonDublin

LHR - DUB

LHRDUB

London Heathrow

Sat 30/5

06:15-07:40

Nonstop1h 25m

Dublin

Thu 4/6

18:50-20:05

Nonstop1h 15m

€73

LondonDublin

LHR - DUB

LHRDUB

London Heathrow

Sat 7/3

18:25-19:50

Nonstop1h 25m

Dublin

Mon 9/3

10:45-12:20

Nonstop1h 35m

€79

LondonDublin

LHR - DUB

LHRDUB

London Heathrow

Sat 28/2

15:30-17:00

Nonstop1h 30m

Dublin

Tue 10/3

08:50-10:25

Nonstop1h 35m

€81

LondonDublin

LHR - DUB

LHRDUB

London Heathrow

Sat 7/3

12:50-14:20

Nonstop1h 30m

Dublin

Wed 11/3

20:40-22:00

Nonstop1h 20m

€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 Ireland from

How to get the cheapest flight ticket from United Kingdom to Ireland

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 cheapest month to fly to Ireland?

The month of September is another great option to travel to Ireland, with average flight prices from United Kingdom averaging around €61.

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

The cheapest day to depart on your flight to Ireland is on a Wednesday when prices can be found for as low as €107. This is often the case because there is less demand to fly during this day of the week. If your travel schedule is flexible, try to avoid departing on a Thursday because tickets tend to average around €232. These prices are subject to change though, so be sure to set up a Price Alert for flights to Ireland.

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

At midday is the cheapest time of day to fly from United Kingdom to Ireland when you can find flight prices for as low as €139. Flying to Ireland at midday is an ideal time because this is during off-peak travel hours. In contrast, the most expensive time of day to depart to Ireland is in the morning when prices are around €161.

What is the cheapest United Kingdom to Ireland flight route?

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

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

You are more likely to see cheaper flights to Ireland from United Kingdom when booking weeks ahead of your departure date. In general, you can expect to find flights to Ireland for around €142 when searching weeks before you fly. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Ireland from United Kingdom for as low as €109 on momondo.

What cabin class options are available on United Kingdom to Ireland flights?

There are 2 cabin classes available to choose from on United Kingdom to Ireland 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 United Kingdom to Ireland flights?

No. A direct flight is the cheapest option for a flight between United Kingdom to Ireland.

Cheap United Kingdom to Ireland flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from United Kingdom to Ireland

Best price found

€23

Fastest flight time

0h 55m

Direct flights

Every day

Airports in Ireland

77 airports
The best one-way flight to Ireland from United Kingdom in the past 72 hours is €23. The best return flight deal from United Kingdom to Ireland found on momondo in the last 72 hours is €40.
The fastest flight from United Kingdom to Ireland takes 0h 55m
Direct flights go from United Kingdom to Ireland every day.
There are 77 airports in Ireland. From United Kingdom there are direct flights to Dublin (DUB).
Search flight deals

  • When did momondo last update prices for flights from United Kingdom to Ireland?

    Prices for flights from United Kingdom to Ireland are updated daily.

  • How many operators does momondo search for flights from United Kingdom to Ireland?

  • How old do you have to be to fly from United Kingdom to Ireland?

    The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and stopovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from United Kingdom to Ireland.

  • What documentation or ID do you need to fly to Ireland?

    The required travel and health documents for your Ireland trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's licence and a passport valid for six months after your intended arrival at Ireland. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

  • What is the most popular plane model from United Kingdom to Ireland?

Best airlines flying from United Kingdom to Ireland

Compare and see reviews for airlines that fly from United Kingdom to Ireland with momondo
Airline
Rating
Free Cancellation
Price
Aer LingusPriceFrom €77Free CancellationRating
7.2
1,443 reviews
Search Aer Lingus flights
British AirwaysPriceFrom €92Free CancellationRating
6.7
7,705 reviews
Search British Airways flights

Why use momondo?

Why should I use momondo to find a flight deal from United Kingdom to Ireland?

Finding the right flight to Ireland from United Kingdom 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 Ireland quick and easy, saving you time and money.

Can I find flights from United Kingdom to Ireland with flexible booking policies on momondo?

Yes. momondo allows you to filter the results for United Kingdom to Ireland flights to just show those with flexible booking policies.

How can momondo help me find flights from United Kingdom to Ireland?

momondo helps you find the best flight between United Kingdom and Ireland by providing filters to narrow your choice of flights to those matching your criteria. You can select flights based on numerous factors such as price, departure and landing times, airport and airline.

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

If you are simply researching potential flights to Ireland, momondo offers a useful price alert feature which will track prices for flights to Ireland from United Kingdom and alert you when they change.

An easier way to manage your Ireland 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.
Start using Trips
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Sat 28/2
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Find better results for your trip to Ireland

Popular Cities in Ireland

Popular flights according to clicks in the last 7 days on momondo
Flights to Dublinfrom €38
Flights to Corkfrom €90
Flights to Shannon, Clarefrom €83
Flights to Donegalfrom €77
Flights to Milltown (Kerry)from €39