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Cheap flights from the United Kingdom to Ireland from €17

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 9/11. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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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
07:15 - 08:15GLA-DUB
1h 00mdirect
Ryanair Logo
05:55 - 06:55DUB-GLA
1h 00mdirect
€37Ryanair
Find Deal
Thu, 27 Nov - Sun, 30 Nov
Ryanair Logo
22:15 - 23:15MAN-DUB
1h 00mdirect
Ryanair Logo
05:45 - 06:45DUB-MAN
1h 00mdirect
€37Ryanair
Find Deal
Sat, 6 Dec - Mon, 15 Dec
Ryanair Logo
22:30 - 23:30GLA-DUB
1h 00mdirect
Ryanair Logo
05:45 - 06:45DUB-GLA
1h 00mdirect
€38Ryanair
Find Deal
Sat, 22 Nov - Thu, 27 Nov
Ryanair Logo
22:15 - 23:15MAN-DUB
1h 00mdirect
Ryanair Logo
07:00 - 08:00DUB-MAN
1h 00mdirect
€38Ryanair
Find Deal
Sat, 15 Nov - Sun, 16 Nov
Multiple Airlines Logo
22:25 - 23:25MAN-DUB
1h 00mdirect
Multiple Airlines Logo
22:55 - 23:55DUB-MAN
1h 00mdirect
€39Multiple Airlines
Find Deal
Fri, 28 Nov - Mon, 1 Dec
Multiple Airlines Logo
20:10 - 21:10MAN-DUB
1h 00mdirect
Multiple Airlines Logo
06:55 - 07:55DUB-MAN
1h 00mdirect
€40Multiple Airlines
Find Deal
Wed, 12 Nov - Mon, 17 Nov
Aer Lingus Logo
09:10 - 10:25BHX-DUB
1h 15mdirect
Aer Lingus Logo
06:40 - 07:45DUB-BHX
1h 05mdirect
€57Aer Lingus
Find Deal
Thu, 20 Nov - Tue, 25 Nov
Aer Lingus Logo
19:45 - 20:45MAN-DUB
1h 00mdirect
Aer Lingus Logo
06:30 - 07:35DUB-MAN
1h 05mdirect
€58Aer Lingus
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Wed, 12 Nov - Wed, 19 Nov
British Airways Logo
06:30 - 07:55LHR-DUB
1h 25mdirect
British Airways Logo
10:45 - 12:20DUB-LHR
1h 35mdirect
€78British Airways
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Thu, 11 Dec - Sun, 14 Dec
British Airways Logo
15:30 - 17:00LHR-DUB
1h 30mdirect
British Airways Logo
10:45 - 12:20DUB-LHR
1h 35mdirect
€79British Airways
Find Deal
Thu, 11 Dec - Sun, 14 Dec

British Airways flights from United Kingdom to Ireland

Our best British Airways deals on United Kingdom to Ireland flight tickets
British Airways
11 Dec
LHR06:30London Heathrow
1h 25m
DUB07:55Dublin
14 Dec
DUB10:45Dublin
1h 35m
LHR12:20London Heathrow
€78
Find similar
British Airways
11 Dec
LHR15:30London Heathrow
1h 30m
DUB17:00Dublin
14 Dec
DUB10:45Dublin
1h 35m
LHR12:20London Heathrow
€78
Find similar
British Airways
11 Dec
LHR15:30London Heathrow
1h 30m
DUB17:00Dublin
14 Dec
DUB10:45Dublin
1h 35m
LHR12:20London Heathrow
€79
Find similar

Ryanair flights from United Kingdom to Ireland

Our best Ryanair deals on United Kingdom to Ireland flight tickets
Ryanair
4 Nov
GLA08:25Glasgow Intl
1h 00m
DUB09:25Dublin
6 Nov
DUB09:05Dublin
1h 00m
GLA10:05Glasgow Intl
€37
Find similar
Ryanair
22 Nov
GLA22:30Glasgow Intl
1h 00m
DUB23:30Dublin
27 Nov
DUB05:45Dublin
1h 00m
GLA06:45Glasgow Intl
€38
Find similar
Ryanair
1 Jan
GLA07:15Glasgow Intl
1h 00m
DUB08:15Dublin
4 Jan
DUB05:55Dublin
1h 00m
GLA06:55Glasgow Intl
€39
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 30 October 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

GlasgowDublin

GLA - DUB

GLADUB

Glasgow Intl

Thu 27/11

07:15-08:15

Nonstop1h 00m

Dublin

Sun 30/11

05:55-06:55

Nonstop1h 00m

€37

ManchesterDublin

MAN - DUB

MANDUB

Manchester

Sat 6/12

22:15-23:15

Nonstop1h 00m

Dublin

Mon 15/12

05:45-06:45

Nonstop1h 00m

€37

GlasgowDublin

GLA - DUB

GLADUB

Glasgow Intl

Sat 22/11

22:30-23:30

Nonstop1h 00m

Dublin

Thu 27/11

05:45-06:45

Nonstop1h 00m

€38

ManchesterDublin

MAN - DUB

MANDUB

Manchester

Sat 15/11

22:15-23:15

Nonstop1h 00m

Dublin

Sun 16/11

07:00-08:00

Nonstop1h 00m

€38

ManchesterDublin

MAN - DUB

MANDUB

Manchester

Fri 28/11

22:25-23:25

Nonstop1h 00m

Dublin

Mon 1/12

22:55-23:55

Nonstop1h 00m

€39

ManchesterDublin

MAN - DUB

MANDUB

Manchester

Wed 12/11

20:10-21:10

Nonstop1h 00m

Dublin

Mon 17/11

06:55-07:55

Nonstop1h 00m

€40

BirminghamDublin

BHX - DUB

BHXDUB

Birmingham

Thu 20/11

09:10-10:25

Nonstop1h 15m

Dublin

Tue 25/11

06:40-07:45

Nonstop1h 05m

€57

ManchesterDublin

MAN - DUB

MANDUB

Manchester

Wed 12/11

19:45-20:45

Nonstop1h 00m

Dublin

Wed 19/11

06:30-07:35

Nonstop1h 05m

€58

LondonDublin

LHR - DUB

LHRDUB

London Heathrow

Thu 11/12

06:30-07:55

Nonstop1h 25m

Dublin

Sun 14/12

10:45-12:20

Nonstop1h 35m

€78

LondonDublin

LHR - DUB

LHRDUB

London Heathrow

Thu 11/12

15:30-17:00

Nonstop1h 30m

Dublin

Sun 14/12

10:45-12:20

Nonstop1h 35m

€78

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 €62.

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 Monday when prices can be found for as low as €125. 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 Wednesday because tickets tend to average around €193. 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 €145. 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 €289.

What is the cheapest United Kingdom to Ireland flight route?

Fly from London Stansted to Knock Intl 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 €147 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 €110 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

€47

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 €47. The best return flight deal from United Kingdom to Ireland found on momondo in the last 72 hours is €286.
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 €50Free CancellationRating
7.2
1,365 reviews
Search Aer Lingus flights
British AirwaysPriceFrom €95Free CancellationRating
6.7
7,488 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 29/11
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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 €40
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Flights to Milltown (Kerry)from €40