Latest deals
Insights
FAQs
Reviews
Price Alerts

Cheap flights from London to Ireland from €26

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from London to Ireland departing on 19/11. 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 London to Ireland

Cheap return flights

Ryanair Logo
11:05 - 12:30LGW-DUB
1h 25mdirect
Ryanair Logo
06:45 - 08:15DUB-LGW
1h 30mdirect
€43Ryanair
Find Deal
Thu, 11 Sep - Sun, 14 Sep
Ryanair Logo
20:30 - 21:55STN-ORK
1h 25mdirect
Ryanair Logo
08:40 - 10:05ORK-STN
1h 25mdirect
€43Ryanair
Find Deal
Fri, 7 Nov - Sun, 9 Nov
Logo
05:55 - 07:20STN-ORK
1h 25mdirect
Logo
16:55 - 18:20ORK-STN
1h 25mdirect
€52
Find Deal
Tue, 13 Jan - Fri, 16 Jan
Logo
08:05 - 09:30STN-ORK
1h 25mdirect
Logo
20:55 - 22:20ORK-STN
1h 25mdirect
€63
Find Deal
Thu, 4 Sep - Thu, 4 Sep
British Airways Logo
18:05 - 19:30LHR-DUB
1h 25mdirect
British Airways Logo
12:45 - 14:15DUB-LHR
1h 30mdirect
€77British Airways
Find Deal
Wed, 8 Oct - Mon, 20 Oct
British Airways Logo
06:20 - 07:45LHR-DUB
1h 25mdirect
British Airways Logo
08:45 - 10:20DUB-LHR
1h 35mdirect
€78British Airways
Find Deal
Mon, 6 Oct - Mon, 13 Oct
Aer Lingus Logo
19:10 - 20:35LHR-SNN
1h 25mdirect
Aer Lingus Logo
16:55 - 18:20SNN-LHR
1h 25mdirect
€103Aer Lingus
Find Deal
Mon, 6 Oct - Mon, 20 Oct
Aer Lingus Logo
22:25 - 23:45LHR-ORK
1h 20mdirect
Aer Lingus Logo
20:30 - 21:45ORK-LHR
1h 15mdirect
€107Aer Lingus
Find Deal
Sat, 20 Sep - Sat, 27 Sep
KLM Logo
16:25 - 23:25LHR-ORK
7h 00m1 stop
KLM Logo
06:00 - 10:45ORK-LHR
4h 45m1 stop
€180KLM
Find Deal
Sat, 6 Dec - Tue, 9 Dec
KLM Logo
17:50 - 23:25LHR-ORK
5h 35m1 stop
KLM Logo
06:00 - 10:45ORK-LHR
4h 45m1 stop
€181KLM
Find Deal
Fri, 16 Jan - Sun, 25 Jan

Ryanair flights from London to Ireland

Our best Ryanair deals on London to Ireland flight tickets
Ryanair
11 Sept
LGW11:05London Gatwick
1h 25m
DUB12:30Dublin
14 Sept
DUB06:45Dublin
1h 30m
LGW08:15London Gatwick
€43
Find similar
Ryanair
4 Sept
LGW08:55London Gatwick
1h 25m
DUB10:20Dublin
11 Sept
DUB07:50Dublin
1h 30m
LGW09:20London Gatwick
€44
Find similar
Ryanair
11 Sept
LGW21:30London Gatwick
1h 25m
DUB22:55Dublin
14 Sept
DUB06:45Dublin
1h 30m
LGW08:15London Gatwick
€44
Find similar

British Airways flights from London to Ireland

Our best British Airways deals on London to Ireland flight tickets
British Airways
8 Oct
LHR18:05London Heathrow
1h 25m
DUB19:30Dublin
20 Oct
DUB12:45Dublin
1h 30m
LHR14:15London Heathrow
€77
Find similar
British Airways
6 Oct
LHR06:20London Heathrow
1h 25m
DUB07:45Dublin
13 Oct
DUB08:45Dublin
1h 35m
LHR10:20London Heathrow
€78
Find similar
British Airways
5 Nov
LHR06:30London Heathrow
1h 25m
DUB07:55Dublin
13 Nov
DUB13:10Dublin
1h 25m
LHR14:35London Heathrow
€79
Find similar

momondo Fare Finder

 
Customise your flight search to find flights from London 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 24 August 2025.
Use the filters below to find and compare flights from London to Ireland that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

LondonDublin

LGW - DUB

LGWDUB

London Gatwick

Thu 11/9

11:05-12:30

Nonstop1h 25m

Dublin

Sun 14/9

06:45-08:15

Nonstop1h 30m

€43

LondonCork

STN - ORK

STNORK

London Stansted

Fri 7/11

20:30-21:55

Nonstop1h 25m

Cork

Sun 9/11

08:40-10:05

Nonstop1h 25m

€43

LondonCork

STN - ORK

STNORK

London Stansted

Tue 13/1

05:55-07:20

Nonstop1h 25m

Cork

Fri 16/1

16:55-18:20

Nonstop1h 25m

€52

LondonCork

STN - ORK

STNORK

London Stansted

Thu 4/9

08:05-09:30

Nonstop1h 25m

Cork

Thu 4/9

20:55-22:20

Nonstop1h 25m

€63

LondonDublin

LHR - DUB

LHRDUB

London Heathrow

Wed 8/10

18:05-19:30

Nonstop1h 25m

Dublin

Mon 20/10

12:45-14:15

Nonstop1h 30m

€77

LondonDublin

LHR - DUB

LHRDUB

London Heathrow

Mon 6/10

06:20-07:45

Nonstop1h 25m

Dublin

Mon 13/10

08:45-10:20

Nonstop1h 35m

€78

LondonShannon

LHR - SNN

LHRSNN

London Heathrow

Mon 6/10

19:10-20:35

Nonstop1h 25m

Shannon

Mon 20/10

16:55-18:20

Nonstop1h 25m

€103

LondonCork

LHR - ORK

LHRORK

London Heathrow

Sat 20/9

22:25-23:45

Nonstop1h 20m

Cork

Sat 27/9

20:30-21:45

Nonstop1h 15m

€107

LondonCork

LHR - ORK

LHRORK

London Heathrow

Sat 6/12

16:25-23:25

1 stop7h 00m

Cork

Tue 9/12

06:00-10:45

1 stop4h 45m

€180

LondonCork

LHR - ORK

LHRORK

London Heathrow

Fri 16/1

17:50-23:25

1 stop5h 35m

Cork

Sun 25/1

06:00-10:45

1 stop4h 45m

€181

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 London 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 London averaging around €57.

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 Wednesday when prices can be found for as low as €127. 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 London 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 London to Ireland flight route?

Fly from London Stansted to Dublin for the best London - 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 London 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 London for as low as €104 on momondo.

What cabin class options are available on London to Ireland flights?

There are 2 cabin classes available to choose from on London to Ireland flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

Cheap London to Ireland flight deals and tips

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

Best price found

€94

Fastest flight time

1h 15m

Direct flights

Every day

Airports in Ireland

1 airport
The best one-way flight to Ireland from London in the past 72 hours is €94. The best return flight deal from London to Ireland found on momondo in the last 72 hours is €121.
The fastest flight from London to Ireland takes 1h 15m
Direct flights go from London to Ireland every day.
There is 1 airport near Ireland: Dublin (DUB)
Search flight deals

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

    Prices for flights from London to Ireland are updated daily.

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

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

    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 London to Ireland.

  • What documentation or ID do you need to fly to Ireland?

    The necessary travel and health documents for your Ireland trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's licence and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

  • What is the most popular plane model from London to Ireland?

Best airlines flying from London to Ireland

Compare and see reviews for airlines that fly from London to Ireland with momondo
Airline
Rating
Free Cancellation
Price
Aer LingusPriceFrom €78Free CancellationRating
7.2
1,230 reviews
Search Aer Lingus flights
British AirwaysPriceFrom €84Free CancellationRating
6.7
7,302 reviews
Search British Airways flights

Why use momondo?

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

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 London to Ireland for you.

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

Flights from London to Ireland with flexible booking policies can be found by using the search form above and then selecting our dedicated flexible booking filter, which will highlight only the flights where this policy is applied.

How can momondo help me find flights from London to Ireland?

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 Ireland from London.

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

If you are not ready to book a flight from London to Ireland now, use our insights above to find helpful tips or alternatively set up a price alert, where momondo will track prices on flights to Ireland and let you know 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 29/8
Fri 5/9
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 €39
Flights to Corkfrom €112
Flights to Shannon, Clarefrom €114
Flights to Donegalfrom €65
Flights to Milltown (Kerry)from €40