Latest deals
Insights
FAQs
Reviews
Price Alerts

Cheap flights from the United Kingdom to Ireland from €19

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 20/11. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
0 bags

Discover deals from 900+ travel sites with momondo.

Voted the Winner of Europe's Best Travel App 2023

Save money when you book flights with momondo

Big names, great deals

Big names, great deals

Search 100s of travel sites to compare prices.

Filter for what you want

Filter for what you want

Free Wi-Fi? Stopover? Instantly customise your results.

Trusted and free

Trusted and free

We’re completely free to use - no hidden charges or fees.

Price Alerts

Price Alerts

Not ready to book? to track prices.
Search flight deals

Find the cheapest flights from the United Kingdom to Ireland

Recent return flight deals from the United Kingdom to Ireland

Ryanair Logo
08:10 - 09:10LBA-DUB
1h 00mdirect
Ryanair Logo
21:55 - 22:55DUB-LBA
1h 00mdirect
€37Ryanair
Find Deal
Wed, 1 Oct - Sat, 4 Oct
Ryanair Logo
10:55 - 11:50MAN-DUB
0h 55mdirect
Ryanair Logo
14:45 - 15:45DUB-MAN
1h 00mdirect
€37Ryanair
Find Deal
Mon, 22 Sep - Tue, 23 Sep
Ryanair Logo
23:50 - 00:45LPL-DUB
0h 55mdirect
Ryanair Logo
12:30 - 13:25DUB-LPL
0h 55mdirect
€37Ryanair
Find Deal
Fri, 3 Oct - Mon, 6 Oct
Ryanair Logo
06:55 - 08:00BHX-DUB
1h 05mdirect
Ryanair Logo
07:10 - 08:15DUB-BHX
1h 05mdirect
€38Ryanair
Find Deal
Sun, 21 Sep - Sun, 28 Sep
Logo
15:50 - 16:50MAN-DUB
1h 00mdirect
Logo
06:55 - 07:55DUB-MAN
1h 00mdirect
€39
Find Deal
Thu, 30 Oct - Mon, 3 Nov
Logo
22:25 - 23:25MAN-DUB
1h 00mdirect
Logo
22:55 - 23:55DUB-MAN
1h 00mdirect
€48
Find Deal
Fri, 21 Nov - Mon, 24 Nov
Aer Lingus Logo
08:10 - 09:15BHX-DUB
1h 05mdirect
Aer Lingus Logo
06:30 - 07:40DUB-BHX
1h 10mdirect
€61Aer Lingus
Find Deal
Thu, 18 Sep - Wed, 24 Sep
Aer Lingus Logo
20:15 - 21:15BHX-DUB
1h 00mdirect
Aer Lingus Logo
06:30 - 07:40DUB-BHX
1h 10mdirect
€61Aer Lingus
Find Deal
Fri, 19 Sep - Sun, 21 Sep
British Airways Logo
18:15 - 19:40LHR-DUB
1h 25mdirect
British Airways Logo
08:50 - 10:25DUB-LHR
1h 35mdirect
€77British Airways
Find Deal
Mon, 5 Jan - Wed, 7 Jan
British Airways Logo
06:30 - 07:55LHR-DUB
1h 25mdirect
British Airways Logo
15:10 - 16:35DUB-LHR
1h 25mdirect
€82British Airways
Find Deal
Thu, 13 Nov - Sat, 15 Nov

Ryanair flights from United Kingdom to Ireland

Our best Ryanair deals on United Kingdom to Ireland flight tickets
Ryanair
1 Oct
LBA08:10Leeds/Bradford
1h 00m
DUB09:10Dublin
4 Oct
DUB21:55Dublin
1h 00m
LBA22:55Leeds/Bradford
€37
Find similar
Ryanair
18 Sept
MAN22:45Manchester
0h 55m
DUB23:40Dublin
25 Sept
DUB10:35Dublin
1h 00m
MAN11:35Manchester
€38
Find similar
Ryanair
20 Sept
BHX19:20Birmingham
1h 05m
DUB20:25Dublin
25 Sept
DUB11:50Dublin
1h 05m
BHX12:55Birmingham
€38
Find similar

British Airways flights from United Kingdom to Ireland

Our best British Airways deals on United Kingdom to Ireland flight tickets
British Airways
5 Jan
LHR18:15London Heathrow
1h 25m
DUB19:40Dublin
7 Jan
DUB08:50Dublin
1h 35m
LHR10:25London Heathrow
€77
Find similar
British Airways
13 Nov
LHR06:30London Heathrow
1h 25m
DUB07:55Dublin
15 Nov
DUB16:05Dublin
1h 25m
LHR17:30London Heathrow
€82
Find similar
British Airways
8 Nov
LHR08:35London Heathrow
1h 25m
DUB10:00Dublin
8 Nov
DUB16:05Dublin
1h 25m
LHR17:30London Heathrow
€83
Find similar

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 7 September 2025.
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

LeedsDublin

LBA - DUB

LBADUB

Leeds/Bradford

Wed 1/10

08:10-09:10

Nonstop1h 00m

Dublin

Sat 4/10

21:55-22:55

Nonstop1h 00m

€37

ManchesterDublin

MAN - DUB

MANDUB

Manchester

Mon 22/9

10:55-11:50

Nonstop0h 55m

Dublin

Tue 23/9

14:45-15:45

Nonstop1h 00m

€37

LiverpoolDublin

LPL - DUB

LPLDUB

Liverpool J. Lennon

Fri 3/10

23:50-00:45

Nonstop0h 55m

Dublin

Mon 6/10

12:30-13:25

Nonstop0h 55m

€37

BirminghamDublin

BHX - DUB

BHXDUB

Birmingham

Sun 21/9

06:55-08:00

Nonstop1h 05m

Dublin

Sun 28/9

07:10-08:15

Nonstop1h 05m

€38

ManchesterDublin

MAN - DUB

MANDUB

Manchester

Thu 30/10

15:50-16:50

Nonstop1h 00m

Dublin

Mon 3/11

06:55-07:55

Nonstop1h 00m

€39

ManchesterDublin

MAN - DUB

MANDUB

Manchester

Fri 21/11

22:25-23:25

Nonstop1h 00m

Dublin

Mon 24/11

22:55-23:55

Nonstop1h 00m

€48

BirminghamDublin

BHX - DUB

BHXDUB

Birmingham

Thu 18/9

08:10-09:15

Nonstop1h 05m

Dublin

Wed 24/9

06:30-07:40

Nonstop1h 10m

€61

BirminghamDublin

BHX - DUB

BHXDUB

Birmingham

Fri 19/9

20:15-21:15

Nonstop1h 00m

Dublin

Sun 21/9

06:30-07:40

Nonstop1h 10m

€61

LondonDublin

LHR - DUB

LHRDUB

London Heathrow

Mon 5/1

18:15-19:40

Nonstop1h 25m

Dublin

Wed 7/1

08:50-10:25

Nonstop1h 35m

€77

LondonDublin

LHR - DUB

LHRDUB

London Heathrow

Thu 13/11

06:30-07:55

Nonstop1h 25m

Dublin

Sat 15/11

15:10-16:35

Nonstop1h 25m

€82

Flights are sorted by cheapest return flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
1
2

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 €58.

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 Sunday when prices can be found for as low as €133. 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 €181. 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?

In the afternoon is the cheapest time of day to fly from United Kingdom to Ireland when you can find flight prices for as low as €143. Flying to Ireland in the afternoon 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 at midday when prices are around €286.

What is the cheapest United Kingdom to Ireland flight route?

Fly from London Stansted 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 €104 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

€42

Fastest flight time

0h 55m

Direct flights

Every day

Airports in Ireland

1 airport
The best one-way flight to Ireland from United Kingdom in the past 72 hours is €42. The best return flight deal from United Kingdom to Ireland found on momondo in the last 72 hours is €181.
The fastest flight from United Kingdom to Ireland takes 0h 55m
Direct flights go from United Kingdom to Ireland every day.
There is 1 airport near Ireland: 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 €49Free CancellationRating
7.2
1,262 reviews
Search Aer Lingus flights
British AirwaysPriceFrom €92Free CancellationRating
6.7
7,353 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
Find my bookings

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.
1 adult
Fri 12/9
Fri 19/9
By creating a price alert you accept our terms of use and privacy policy.

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 €40
Flights to Corkfrom €108
Flights to Shannon, Clarefrom €101
Flights to Donegalfrom €65
Flights to Milltown (Kerry)from €40