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Cheap flights from Ireland to the United Kingdom 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 Ireland to the United Kingdom departing on 4/10. 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
07:25 - 08:30DUB-BHX
1h 05mdirect
Ryanair Logo
19:20 - 20:25BHX-DUB
1h 05mdirect
€33Ryanair
Find Deal
Wed, 1 Oct - Sat, 4 Oct
Ryanair Logo
19:20 - 20:25DUB-BHX
1h 05mdirect
Ryanair Logo
08:40 - 09:45BHX-DUB
1h 05mdirect
€35Ryanair
Find Deal
Wed, 22 Oct - Wed, 29 Oct
Multiple Airlines Logo
15:00 - 16:00DUB-MAN
1h 00mdirect
Multiple Airlines Logo
21:30 - 22:30MAN-DUB
1h 00mdirect
€47Multiple Airlines
Find Deal
Fri, 5 Dec - Mon, 8 Dec
Aer Lingus Logo
06:30 - 07:40DUB-BHX
1h 10mdirect
Aer Lingus Logo
16:40 - 17:55BHX-DUB
1h 15mdirect
€53Aer Lingus
Find Deal
Wed, 1 Oct - Wed, 15 Oct
Aer Lingus Logo
19:20 - 20:35DUB-BHX
1h 15mdirect
Aer Lingus Logo
08:10 - 09:15BHX-DUB
1h 05mdirect
€55Aer Lingus
Find Deal
Mon, 29 Sep - Sun, 5 Oct
Multiple Airlines Logo
06:30 - 07:35DUB-MAN
1h 05mdirect
Multiple Airlines Logo
10:10 - 11:10MAN-DUB
1h 00mdirect
€56Multiple Airlines
Find Deal
Sun, 28 Sep - Sun, 2 Nov
Ryanair Logo
19:10 - 20:15DUB-EDI
1h 05mdirect
Ryanair Logo
17:55 - 19:00EDI-DUB
1h 05mdirect
€61Ryanair
Find Deal
Tue, 25 Nov - Thu, 27 Nov
British Airways Logo
13:10 - 14:35DUB-LHR
1h 25mdirect
British Airways Logo
06:30 - 07:55LHR-DUB
1h 25mdirect
€88British Airways
Find Deal
Thu, 22 Jan - Fri, 23 Jan
British Airways Logo
10:45 - 12:20DUB-LHR
1h 35mdirect
British Airways Logo
18:20 - 19:45LHR-DUB
1h 25mdirect
€89British Airways
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Mon, 1 Dec - Thu, 4 Dec
Ryanair Logo
13:05 - 14:05DUB-MAN
1h 00mdirect
Ryanair Logo
21:30 - 22:30MAN-DUB
1h 00mdirect
€106Ryanair
Find Deal
Fri, 24 Oct - Mon, 27 Oct

British Airways flights from Ireland to United Kingdom

Our best British Airways deals on Ireland to United Kingdom flight tickets
British Airways
22 Jan
DUB13:10Dublin
1h 25m
LHR14:35London Heathrow
23 Jan
LHR06:30London Heathrow
1h 25m
DUB07:55Dublin
€88
Find similar
British Airways
1 Dec
DUB10:45Dublin
1h 35m
LHR12:20London Heathrow
4 Dec
LHR18:20London Heathrow
1h 25m
DUB19:45Dublin
€89
Find similar
British Airways
25 Nov
DUB10:55Dublin
1h 35m
LHR12:30London Heathrow
28 Nov
LHR13:20London Heathrow
1h 30m
DUB14:50Dublin
€89
Find similar

Ryanair flights from Ireland to United Kingdom

Our best Ryanair deals on Ireland to United Kingdom flight tickets
Ryanair
1 Oct
DUB07:25Dublin
1h 05m
BHX08:30Birmingham
15 Oct
BHX20:50Birmingham
1h 05m
DUB21:55Dublin
€33
Find similar
Ryanair
22 Oct
DUB19:20Dublin
1h 05m
BHX20:25Birmingham
29 Oct
BHX08:40Birmingham
1h 05m
DUB09:45Dublin
€35
Find similar
Ryanair
31 Oct
DUB09:10Dublin
1h 00m
MAN10:10Manchester
7 Nov
MAN22:25Manchester
1h 00m
DUB23:25Dublin
€36
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 13,528 searches. Data last updated 18 September 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

DublinBirmingham

DUB - BHX

DUBBHX

Dublin

Wed 1/10

07:25-08:30

Nonstop1h 05m

Birmingham

Sat 4/10

19:20-20:25

Nonstop1h 05m

€33

DublinBirmingham

DUB - BHX

DUBBHX

Dublin

Wed 22/10

19:20-20:25

Nonstop1h 05m

Birmingham

Wed 29/10

08:40-09:45

Nonstop1h 05m

€35

DublinManchester

DUB - MAN

DUBMAN

Dublin

Fri 5/12

15:00-16:00

Nonstop1h 00m

Manchester

Mon 8/12

21:30-22:30

Nonstop1h 00m

€47

DublinBirmingham

DUB - BHX

DUBBHX

Dublin

Wed 1/10

06:30-07:40

Nonstop1h 10m

Birmingham

Wed 15/10

16:40-17:55

Nonstop1h 15m

€53

DublinBirmingham

DUB - BHX

DUBBHX

Dublin

Mon 29/9

19:20-20:35

Nonstop1h 15m

Birmingham

Sun 5/10

08:10-09:15

Nonstop1h 05m

€55

DublinManchester

DUB - MAN

DUBMAN

Dublin

Sun 28/9

06:30-07:35

Nonstop1h 05m

Manchester

Sun 2/11

10:10-11:10

Nonstop1h 00m

€56

DublinEdinburgh

DUB - EDI

DUBEDI

Dublin

Tue 25/11

19:10-20:15

Nonstop1h 05m

Edinburgh Turnhouse

Thu 27/11

17:55-19:00

Nonstop1h 05m

€61

DublinLondon

DUB - LHR

DUBLHR

Dublin

Thu 22/1

13:10-14:35

Nonstop1h 25m

London Heathrow

Fri 23/1

06:30-07:55

Nonstop1h 25m

€88

DublinLondon

DUB - LHR

DUBLHR

Dublin

Mon 1/12

10:45-12:20

Nonstop1h 35m

London Heathrow

Thu 4/12

18:20-19:45

Nonstop1h 25m

€89

DublinManchester

DUB - MAN

DUBMAN

Dublin

Fri 24/10

13:05-14:05

Nonstop1h 00m

Manchester

Mon 27/10

21:30-22:30

Nonstop1h 00m

€106

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 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 month of January is, on average, the cheapest month to fly to United Kingdom from Ireland, with most prices found around €63. The month of November is another great option to travel to United Kingdom, with average flight prices from Ireland averaging around €72.

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

The cheapest day to depart on your flight to United Kingdom is on a Friday when prices can be found for as low as €306. This is often the case because there is less demand to fly during this day of the week. On the other hand, Sunday is the most expensive day to depart from Ireland because it is more convenient for both business and leisure travellers. As a result, prices tend to be around €653.

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

Flying to United Kingdom from Ireland in the evening is the least expensive time of day to depart. momondo users have found prices as low as €183 when looking at flights departing in the evening. In the afternoon is when there is more demand to fly to United Kingdom, so prices are often more expensive at around €756 per ticket.

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 €138 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 €89 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

€40

Fastest flight time

0h 55m

Direct flights

Every day

Airports in United Kingdom

3 airports
The best one-way flight to United Kingdom from Ireland in the past 72 hours is €40. The best return flight deal from Ireland to United Kingdom found on momondo in the last 72 hours is €68.
The fastest flight from Ireland to United Kingdom takes 0h 55m
Direct flights go from Ireland to United Kingdom every day.
There are 3 airports near United Kingdom: Liverpool J. Lennon (LPL), Leeds/Bradford (LBA), Manchester (MAN)
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  • When did momondo last update prices for flights from Ireland to United Kingdom?

    Prices for flights from Ireland to United Kingdom refresh daily.

  • 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?

    The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Ireland to United Kingdom.

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

    The travel and health documents required for your trip to United Kingdom can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s licence, and a passport valid for six-months after you plan to arrive at United Kingdom. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

  • 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 €34Free CancellationRating
6.2
113 reviews
Search Ryanair flights
Aer LingusPriceFrom €45Free CancellationRating
7.2
1,277 reviews
Search Aer Lingus flights
British AirwaysPriceFrom €81Free CancellationRating
6.7
7,367 reviews
Search British Airways flights

Why use momondo?

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

It is quick and easy to find Ireland to United Kingdom flights on momondo. We search and return numerous flight options from various airlines and agents. You can then use our filters to narrow your search until you have found the most convenient flight to United Kingdom that suits you.

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

Yes. momondo enables you to select and highlight flights to United Kingdom from Ireland with this policy.

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

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 United Kingdom from Ireland.

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

If you are not ready to book a flight from Ireland to United Kingdom now, use our insights above to find helpful tips or alternatively set up a price alert, where momondo will track prices on flights to United Kingdom and let you know when they change.

An easier way to manage your United Kingdom 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.
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Find better results for your trip to the United Kingdom

Popular Cities in the United Kingdom

Popular flights according to clicks in the last 7 days on momondo
Flights to Londonfrom €32
Flights to Manchesterfrom €36
Flights to Edinburghfrom €32
Flights to Belfastfrom €113
Flights to Birminghamfrom €32
Flights to Glasgowfrom €34
Flights to Liverpoolfrom €36
Flights to Bristolfrom €38
Flights to Newcastle upon Tynefrom €46
Flights to Leedsfrom €36
Flights to Aberdeenfrom €90
Flights to Exeterfrom €103