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Cheap flights from Ireland to the United Kingdom from £12

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Ireland to the United Kingdom departing on 27/8. 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 Ireland to the United Kingdom

Recent return flight deals from Ireland to the United Kingdom

Ryanair Logo
18:20 - 19:15DUB-LPL
0h 55mdirect
Ryanair Logo
21:40 - 22:35LPL-DUB
0h 55mdirect
£28Ryanair
Find Deal
Tue, 12 Aug - Wed, 13 Aug
Ryanair Logo
21:25 - 22:25DUB-MAN
1h 00mdirect
Ryanair Logo
09:35 - 10:30MAN-DUB
0h 55mdirect
£28Ryanair
Find Deal
Tue, 26 Aug - Fri, 29 Aug
Ryanair Logo
06:55 - 07:50DUB-LPL
0h 55mdirect
Ryanair Logo
23:15 - 00:10LPL-DUB
0h 55mdirect
£29Ryanair
Find Deal
Sun, 17 Aug - Mon, 18 Aug
Aer Lingus Logo
18:45 - 19:45DUB-BHX
1h 00mdirect
Aer Lingus Logo
20:15 - 21:15BHX-DUB
1h 00mdirect
£43Aer Lingus
Find Deal
Wed, 13 Aug - Wed, 20 Aug
Aer Lingus Logo
06:30 - 07:40DUB-BHX
1h 10mdirect
Aer Lingus Logo
08:10 - 09:15BHX-DUB
1h 05mdirect
£48Aer Lingus
Find Deal
Fri, 5 Sep - Sun, 7 Sep
Logo
07:40 - 08:50DUB-MAN
1h 10mdirect
Logo
15:30 - 16:25MAN-DUB
0h 55mdirect
£55
Find Deal
Thu, 21 Aug - Sun, 24 Aug
Logo
14:25 - 15:25DUB-MAN
1h 00mdirect
Logo
13:10 - 18:50MAN-DUB
5h 40m1 stop
£69
Find Deal
Mon, 15 Sep - Mon, 22 Sep
British Airways Logo
13:10 - 14:35DUB-LHR
1h 25mdirect
British Airways Logo
06:30 - 07:55LHR-DUB
1h 25mdirect
£75British Airways
Find Deal
Wed, 7 Jan - Fri, 9 Jan
British Airways Logo
13:10 - 14:35DUB-LHR
1h 25mdirect
British Airways Logo
06:30 - 07:55LHR-DUB
1h 25mdirect
£78British Airways
Find Deal
Thu, 8 Jan - Fri, 9 Jan
Ryanair Logo
20:35 - 21:35DUB-MAN
1h 00mdirect
Ryanair Logo
18:00 - 19:00MAN-DUB
1h 00mdirect
£92Ryanair
Find Deal
Wed, 3 Dec - Thu, 4 Dec

British Airways flights from Ireland to United Kingdom

Our best British Airways deals on Ireland to United Kingdom flight tickets
British Airways
7 Jan
DUB13:10Dublin
1h 25m
LHR14:35London Heathrow
9 Jan
LHR06:30London Heathrow
1h 25m
DUB07:55Dublin
£75
Find similar
British Airways
8 Jan
DUB13:10Dublin
1h 25m
LHR14:35London Heathrow
9 Jan
LHR06:30London Heathrow
1h 25m
DUB07:55Dublin
£78
Find similar
British Airways
7 Oct
DUB10:30Dublin
1h 30m
LHR12:00London Heathrow
9 Oct
LHR06:20London Heathrow
1h 25m
DUB07:45Dublin
£79
Find similar

KLM flights from Ireland to United Kingdom

Our best KLM deals on Ireland to United Kingdom flight tickets
KLM
20 Sept
ORK06:00Cork
10h 15m
1 stop
LHR16:15London Heathrow
27 Sept
LHR08:40London Heathrow
7h 55m
1 stop
ORK16:35Cork
£168
Find similar
KLM
7 Aug
DUB13:20Dublin
4h 00m
1 stop
LCY17:20London City
12 Aug
LCY17:50London City
4h 35m
1 stop
DUB22:25Dublin
£235
Find similar

momondo Fare Finder

 
Customise your flight search to find flights from Ireland to United Kingdom 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 279,928 searches. Data last updated 1 August 2025.
Use the filters below to find and compare flights from Ireland to the United Kingdom that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

DublinLiverpool

DUB - LPL

DUBLPL

Dublin

Tue 12/8

18:20-19:15

Nonstop0h 55m

Liverpool J. Lennon

Wed 13/8

21:40-22:35

Nonstop0h 55m

£28

DublinManchester

DUB - MAN

DUBMAN

Dublin

Tue 26/8

21:25-22:25

Nonstop1h 00m

Manchester

Fri 29/8

09:35-10:30

Nonstop0h 55m

£28

DublinLiverpool

DUB - LPL

DUBLPL

Dublin

Sun 17/8

06:55-07:50

Nonstop0h 55m

Liverpool J. Lennon

Mon 18/8

23:15-00:10

Nonstop0h 55m

£29

DublinBirmingham

DUB - BHX

DUBBHX

Dublin

Wed 13/8

18:45-19:45

Nonstop1h 00m

Birmingham

Wed 20/8

20:15-21:15

Nonstop1h 00m

£43

DublinBirmingham

DUB - BHX

DUBBHX

Dublin

Fri 5/9

06:30-07:40

Nonstop1h 10m

Birmingham

Sun 7/9

08:10-09:15

Nonstop1h 05m

£48

DublinManchester

DUB - MAN

DUBMAN

Dublin

Thu 21/8

07:40-08:50

Nonstop1h 10m

Manchester

Sun 24/8

15:30-16:25

Nonstop0h 55m

£55

DublinManchester

DUB - MAN

DUBMAN

Dublin

Mon 15/9

14:25-15:25

Nonstop1h 00m

Manchester

Mon 22/9

13:10-18:50

1 stop5h 40m

£69

DublinLondon

DUB - LHR

DUBLHR

Dublin

Wed 7/1

13:10-14:35

Nonstop1h 25m

London Heathrow

Fri 9/1

06:30-07:55

Nonstop1h 25m

£75

DublinLondon

DUB - LHR

DUBLHR

Dublin

Thu 8/1

13:10-14:35

Nonstop1h 25m

London Heathrow

Fri 9/1

06:30-07:55

Nonstop1h 25m

£78

DublinManchester

DUB - MAN

DUBMAN

Dublin

Wed 3/12

20:35-21:35

Nonstop1h 00m

Manchester

Thu 4/12

18:00-19:00

Nonstop1h 00m

£92

Flights are sorted by cheapest return flights first.

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

See travel insights to the United Kingdom from

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

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 United Kingdom?

The cheapest month to fly to United Kingdom from Ireland is in January. Flight prices, which tend to average around £54, are often lower during this time because this is during the off-season. If you are unable to visit United Kingdom during the month of January, then departing from Ireland during the month November is also very affordable. Most momondo users find prices during this month for around £65.

What is the cheapest day to depart on your flight to United Kingdom?

The cheapest day to depart from Ireland to United Kingdom is on a Friday. Travellers who choose to depart for United Kingdom on a Friday will often find tickets for as low as £179. When flying out on a Monday, the most expensive travel day of the week, you can expect to see flight prices from Ireland to United Kingdom for around £450.

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

The cheapest time of day to fly to United Kingdom is in the evening when flights can be purchased for as low as £118. Try not to purchase tickets in the afternoon because they tend to be around £539. Of course, these prices can vary depending on the time of year and what airport you fly to.

What is the cheapest Ireland to United Kingdom flight route?

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

How far in advance should I book a flight to United Kingdom?

You are more likely to see cheaper flights to United Kingdom from Ireland when booking weeks ahead of your departure date. In general, you can expect to find flights to United Kingdom for around £119 when searching weeks before you fly. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to United Kingdom from Ireland for as low as £80 on momondo.

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

There are 3 cabin classes available to choose from on Ireland to United Kingdom 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 Ireland to United Kingdom flights?

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

Cheap Ireland to United Kingdom flight deals and tips

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

Best price found

£12

Fastest flight time

0h 55m

Direct flights

Every day

Airports in United Kingdom

4 airports
The best one-way flight to United Kingdom from Ireland in the past 72 hours is £12. The best return flight deal from Ireland to United Kingdom found on momondo in the last 72 hours is £28.
The fastest flight from Ireland to United Kingdom takes 0h 55m
Direct flights go from Ireland to United Kingdom every day.
There are 4 airports near United Kingdom: Birmingham (BHX), Liverpool J. Lennon (LPL), Manchester (MAN), Glasgow Intl (GLA)
Search flight deals

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

    Prices for flights from Ireland to United Kingdom were last updated today.

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

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

    Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Ireland to United Kingdom.

  • What documentation or ID do you need to fly to United Kingdom?

    The travel and health documents you'll need for your trip to United Kingdom 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 license and a passport that is valid for six months after your intended arrival at United Kingdom. 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 Ireland to United Kingdom?

Best airlines flying from Ireland to United Kingdom

Compare and see reviews for airlines that fly from Ireland to United Kingdom with momondo
Airline
Rating
Free Cancellation
Price
RyanairPriceFrom £22Free CancellationRating
6.8
5,154 reviews
Search Ryanair flights
RyanairPriceFrom £26Free CancellationRating
6.2
109 reviews
Search Ryanair flights
Aer LingusPriceFrom £29Free CancellationRating
7.1
1,192 reviews
Search Aer Lingus flights
British AirwaysPriceFrom £58Free CancellationRating
6.6
7,222 reviews
Search British Airways flights

Why use momondo?

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

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 Ireland to United Kingdom for you.

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

Yes. All flights to United Kingdom from Ireland on momondo can be compared and filtered by various policies on offer, including flexible booking.

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

momondo offers useful filters to help you find the right flight. Choose specific flight times, airports or even what payment method you prefer. We have numerous options to help you book your ideal flight from Ireland to United Kingdom.

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

Of course. momondo tracks the price of Ireland to United Kingdom flights. All you need is a valid email address and we will do the rest; it is that quick and easy.

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Popular flights according to clicks in the last 7 days on momondo
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