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Cheap flights from Ireland to the United Kingdom from €16

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 1/12. 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
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Find the cheapest flights from Ireland to the United Kingdom

Recent return flight deals from Ireland to the United Kingdom

Enter your travel dates to find the best prices.
Ryanair Logo
07:50 - 09:15ORK-STN
1h 25mdirect
Ryanair Logo
06:00 - 07:25STN-ORK
1h 25mdirect
€33Ryanair
Find Deal
Mon, 1 Dec - Mon, 8 Dec
Ryanair Logo
20:25 - 22:00SNN-STN
1h 35mdirect
Ryanair Logo
07:55 - 09:30STN-SNN
1h 35mdirect
€33Ryanair
Find Deal
Sat, 22 Nov - Sun, 23 Nov
Ryanair Logo
22:20 - 23:45ORK-STN
1h 25mdirect
Ryanair Logo
06:00 - 07:25STN-ORK
1h 25mdirect
€36Ryanair
Find Deal
Fri, 5 Dec - Mon, 8 Dec
Multiple Airlines Logo
22:00 - 23:20DUB-STN
1h 20mdirect
Multiple Airlines Logo
06:30 - 07:50STN-DUB
1h 20mdirect
€46Multiple Airlines
Find Deal
Fri, 12 Dec - Mon, 15 Dec
Multiple Airlines Logo
20:55 - 21:55DUB-MAN
1h 00mdirect
Multiple Airlines Logo
15:50 - 16:50MAN-DUB
1h 00mdirect
€49Multiple Airlines
Find Deal
Mon, 17 Nov - Thu, 20 Nov
Aer Lingus Logo
11:45 - 12:50DUB-BHX
1h 05mdirect
Aer Lingus Logo
13:20 - 14:25BHX-DUB
1h 05mdirect
€56Aer Lingus
Find Deal
Tue, 9 Dec - Wed, 10 Dec
Aer Lingus Logo
12:25 - 13:25DUB-MAN
1h 00mdirect
Aer Lingus Logo
19:45 - 20:45MAN-DUB
1h 00mdirect
€58Aer Lingus
Find Deal
Sat, 10 Jan - Sun, 11 Jan
Ryanair Logo
07:45 - 09:10ORK-STN
1h 25mdirect
Ryanair Logo
05:55 - 07:20STN-ORK
1h 25mdirect
€98Ryanair
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Tue, 16 Dec - Tue, 23 Dec
British Airways Logo
17:30 - 18:55SNN-LHR
1h 25mdirect
British Airways Logo
10:00 - 11:30LHR-SNN
1h 30mdirect
€248British Airways
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Thu, 4 Dec - Mon, 8 Dec
British Airways Logo
20:05 - 21:25SNN-LHR
1h 20mdirect
British Airways Logo
10:00 - 11:30LHR-SNN
1h 30mdirect
€250British Airways
Find Deal
Sun, 16 Nov - Sun, 23 Nov

British Airways flights from Ireland to United Kingdom

Our best British Airways deals on Ireland to United Kingdom flight tickets
British Airways
4 Dec
SNN17:30Shannon
1h 25m
LHR18:55London Heathrow
8 Dec
LHR10:00London Heathrow
1h 30m
SNN11:30Shannon
€248
Find similar
British Airways
16 Nov
SNN20:05Shannon
1h 20m
LHR21:25London Heathrow
23 Nov
LHR10:00London Heathrow
1h 30m
SNN11:30Shannon
€250
Find similar

Aer Lingus flights from Ireland to United Kingdom

Our best Aer Lingus deals on Ireland to United Kingdom flight tickets
Aer Lingus
9 Dec
DUB11:45Dublin
1h 05m
BHX12:50Birmingham
10 Dec
BHX13:20Birmingham
1h 05m
DUB14:25Dublin
€56
Find similar
Aer Lingus
10 Jan
DUB12:25Dublin
1h 00m
MAN13:25Manchester
11 Jan
MAN19:45Manchester
1h 00m
DUB20:45Dublin
€58
Find similar
Aer Lingus
15 Nov
DUB06:40Dublin
1h 05m
BHX07:45Birmingham
15 Nov
BHX16:00Birmingham
1h 20m
DUB17:20Dublin
€59
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 3 November 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

CorkLondon

ORK - STN

ORKSTN

Cork

Mon 1/12

07:50-09:15

Nonstop1h 25m

London Stansted

Mon 8/12

06:00-07:25

Nonstop1h 25m

€33

ShannonLondon

SNN - STN

SNNSTN

Shannon

Sat 22/11

20:25-22:00

Nonstop1h 35m

London Stansted

Sun 23/11

07:55-09:30

Nonstop1h 35m

€33

CorkLondon

ORK - STN

ORKSTN

Cork

Fri 5/12

22:20-23:45

Nonstop1h 25m

London Stansted

Mon 8/12

06:00-07:25

Nonstop1h 25m

€36

DublinLondon

DUB - STN

DUBSTN

Dublin

Fri 12/12

22:00-23:20

Nonstop1h 20m

London Stansted

Mon 15/12

06:30-07:50

Nonstop1h 20m

€46

DublinManchester

DUB - MAN

DUBMAN

Dublin

Mon 17/11

20:55-21:55

Nonstop1h 00m

Manchester

Thu 20/11

15:50-16:50

Nonstop1h 00m

€49

DublinBirmingham

DUB - BHX

DUBBHX

Dublin

Tue 9/12

11:45-12:50

Nonstop1h 05m

Birmingham

Wed 10/12

13:20-14:25

Nonstop1h 05m

€56

DublinManchester

DUB - MAN

DUBMAN

Dublin

Sat 10/1

12:25-13:25

Nonstop1h 00m

Manchester

Sun 11/1

19:45-20:45

Nonstop1h 00m

€58

CorkLondon

ORK - STN

ORKSTN

Cork

Tue 16/12

07:45-09:10

Nonstop1h 25m

London Stansted

Tue 23/12

05:55-07:20

Nonstop1h 25m

€98

ShannonLondon

SNN - LHR

SNNLHR

Shannon

Thu 4/12

17:30-18:55

Nonstop1h 25m

London Heathrow

Mon 8/12

10:00-11:30

Nonstop1h 30m

€248

ShannonLondon

SNN - LHR

SNNLHR

Shannon

Sun 16/11

20:05-21:25

Nonstop1h 20m

London Heathrow

Sun 23/11

10:00-11:30

Nonstop1h 30m

€250

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 month of January is, on average, the cheapest month to fly to United Kingdom from Ireland, with most prices found around €65. The month of September is another great option to travel to United Kingdom, with average flight prices from Ireland averaging around €75.

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 €312. 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 €686.

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 €195 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 €776 per ticket.

What is the cheapest Ireland to United Kingdom flight route?

Fly from Dublin to Edinburgh Turnhouse 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 €144 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 €102 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

€42

Fastest flight time

0h 55m

Direct flights

Every day

Airports in United Kingdom

2 airports
The best one-way flight to United Kingdom from Ireland in the past 72 hours is €42. The best return flight deal from Ireland to United Kingdom found on momondo in the last 72 hours is €61.
The fastest flight from Ireland to United Kingdom takes 0h 55m
Direct flights go from Ireland to United Kingdom every day.
There are 2 airports near United Kingdom: Liverpool J. Lennon (LPL), Manchester (MAN)
Search flight deals

  • 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
Aer LingusPriceFrom €47Free CancellationRating
7.2
1,365 reviews
Search Aer Lingus flights
RyanairPriceFrom €48Free CancellationRating
6.3
115 reviews
Search Ryanair flights
British AirwaysPriceFrom €84Free CancellationRating
6.7
7,494 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

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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 €33
Flights to Manchesterfrom €34
Flights to Belfastfrom €115
Flights to Edinburghfrom €35
Flights to Birminghamfrom €33
Flights to Glasgowfrom €42
Flights to Bristolfrom €48
Flights to Liverpoolfrom €37
Flights to Newcastle upon Tynefrom €36
Flights to Leedsfrom €40
Flights to Aberdeenfrom €84
Flights to Exeterfrom €129