Ireland
EUR

€15 Find Cheap Flights from London to Ireland – Compare and Save

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Flight Deals

Best Ireland Flight Deals from London

Cheapest return prices found by our users on KAYAK in the last 5 days
Sort by: Cheapest
Cork
Cork
1h 20mNonstop
from €36per person
Knock
Knock
1h 30mNonstop
from €39per person
Dublin
Dublin
1h 20mNonstop
from €42per person
Shannon
Shannon
1h 20mNonstop
from €44per person
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Cheap Flights from London to Ireland

 
Discover the best prices for you by selecting your travel dates on KAYAK.

Recent return flight deals from London to Ireland

Sat, 7 Nov - Mon, 9 Nov
Ryanair Logo
18:00 - 19:25LGW  London Gatwick-ORK Cork
1h 25mdirect
Ryanair Logo
14:30 - 15:55ORK  Cork-LGW London Gatwick
1h 25mdirect
€36Ryanair
Thu, 15 Oct - Mon, 19 Oct
Multiple Airlines Logo
08:00 - 09:25STN  London Stansted-ORK Cork
1h 25mdirect
Multiple Airlines Logo
20:55 - 22:20ORK  Cork-STN London Stansted
1h 25mdirect
€36Multiple Airlines
Tue, 17 Nov - Tue, 24 Nov
Ryanair Logo
11:10 - 12:35LGW  London Gatwick-ORK Cork
1h 25mdirect
Ryanair Logo
09:10 - 10:35ORK  Cork-LGW London Gatwick
1h 25mdirect
€37Ryanair
Wed, 14 Oct - Wed, 14 Oct
Ryanair Logo
06:30 - 07:55STN  London Stansted-ORK Cork
1h 25mdirect
Ryanair Logo
17:15 - 18:40ORK  Cork-STN London Stansted
1h 25mdirect
€37Ryanair
Tue, 20 Oct - Wed, 21 Oct
Ryanair Logo
10:25 - 11:55LGW  London Gatwick-ORK Cork
1h 30mdirect
Ryanair Logo
10:20 - 11:50ORK  Cork-LGW London Gatwick
1h 30mdirect
€38Ryanair
Thu, 15 Oct - Mon, 19 Oct
Multiple Airlines Logo
08:00 - 09:25STN  London Stansted-ORK Cork
1h 25mdirect
Multiple Airlines Logo
20:55 - 22:20ORK  Cork-STN London Stansted
1h 25mdirect
€40Multiple Airlines
Wed, 14 Oct - Mon, 19 Oct
Multiple Airlines Logo
06:30 - 07:55STN  London Stansted-ORK Cork
1h 25mdirect
Multiple Airlines Logo
20:55 - 22:20ORK  Cork-STN London Stansted
1h 25mdirect
€41Multiple Airlines
Mon, 4 Jan - Mon, 11 Jan
British Airways Logo
08:25 - 09:55LHR  London Heathrow-DUB Dublin
1h 30mdirect
British Airways Logo
20:40 - 22:00DUB  Dublin-LHR London Heathrow
1h 20mdirect
€83British Airways
Sat, 27 Feb - Sat, 27 Feb
British Airways Logo
06:30 - 07:50LHR  London Heathrow-DUB Dublin
1h 20mdirect
British Airways Logo
16:10 - 17:35DUB  Dublin-LHR London Heathrow
1h 25mdirect
€86British Airways
Sun, 3 Jan - Sat, 30 Jan
British Airways Logo
08:25 - 09:55LHR  London Heathrow-DUB Dublin
1h 30mdirect
British Airways Logo
08:50 - 10:20DUB  Dublin-LHR London Heathrow
1h 30mdirect
€86British Airways
Booking Insights

KAYAK's insights & trends for London to Ireland flights

Get data-powered insights and trends into flights from London to Ireland to help you find the cheapest flights, the best time to fly, and much more.

What is the cheapest London to Ireland flight route?

The cheapest ticket to Ireland from London found in the last 5 days was to Dublin, at €20 return. The most popular route is from London Luton Airport (LTN) to Dublin (DUB), and the cheapest return airline ticket found on this route in the last 5 days was €41.

What is the cheapest time of day to fly to Ireland?

The cheapest time of day to fly to Ireland is generally at night, when retur flights cost €166 on average. Morning departures are around 38% cheaper than evening flights, on average. The most expensive time of day to fly to Ireland is generally in the evening, which is peak travel time and where the average cost of a ticket is €279.

What is the cheapest month to fly from London to Ireland?

The cheapest month for flights from London to Ireland is January, when tickets cost €70 (return) on average. On the other hand, the most expensive months are December and July, when the average cost of return tickets is €124 and €124 respectively.

What’s the cheapest day of the week to fly from London to Ireland?

If you are looking for a flight deal from London to Ireland, look for departures on Thursdays and avoid leaving on a Friday, as it's usually the priciest day. When flying back from Ireland, Friday is the cheapest day to fly and Sunday is the most expensive.

How far in advance should I book a flight from London to Ireland?

To get a below-average price on a flight from London to Ireland, you should book around 5 weeks before departure, which saves you about 32% compared to booking last-minute. For the absolute cheapest price, our data suggests you should book 18 weeks before departure.

Find deals

Good to know

Low season

January

Cheapest flight

€15
Best time to beat the crowds (44% less expensive on average)
Most popular time to fly (16% more expensive on average)
Flight from London Stansted Airport to Cork

Flights from London to Ireland: the best tips from KAYAK users

Insights shared by verified travellers who flew the route from London to Ireland 
DeborahFlew with Aer Lingus-Jun 2025
Heathrow seems to have a lot of plane traffic so make sure you have a good cushion of time if you have connecting flights. I had a 2 hour layover but ended up having to run to make sure I got to the other gate in time.
Verified travelerFlew with Aer Lingus-Jun 2025
If you’re doing a transfer speak to someone at the desk don’t use an automated kiosk
KillianFlew with British Airways-May 2025
Dublin airport a shambles when it comes to collecting luggage or getting a cab. Allow plenty of extra time.
ThomasFlew with Aer Lingus-Oct 2024
You will likely have to walk a lot more than you might expect to make a connection.

FAQs - booking Ireland flights

  • What direct flights are there from London to Ireland?

    There are several direct flights to Ireland from London, as this entire journey should take no more than 1h 30min to complete. Aer Lingus, Ryanair and British Airways all offer swift, direct flights, and Lufthansa and Swiss Air also service this flight but will include one stop.

  • How can I get assistance as a disabled passenger?

    All airlines will offer service for disabled travellers. You can get wheelchair use, embarkment and disembarkment assistance and bathroom assists if you have reduced mobility. If you are visually impaired, you can find braille safety cards and assistance for embarking and disembarking the plane. Other disability needs such as autism, anxiety and hearing impairment can also be assisted. It is often best to consult your airline before you fly to ensure proper service.

  • How can I work online on the plane?

    All airlines servicing this route have now rolled out Wifi for international flights. You will be able to get connected from the sky and work online as soon as the cabin crew gives you the go-ahead.

  • If I arrive at Dublin Airport, will I be able to get medical treatment?

    Dublin Airport has a full medical staff on hand for any emergency that may occur during your flight or at the airport. If you are ill on the plane, let the cabin crew call the airport to arrange assistance as you land. Should you need additional service to what the airport's medical centre can provide, the airport will arrange an ambulance.

  • How does KAYAK find such low prices on flights from London to Ireland?

    KAYAK is a travel search engine. That means we look across the web to find the best prices we can find for our users. With over 2 billion flight queries processed yearly, we are able to display a variety of prices and options on flights from London to Ireland.

  • How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from London to Ireland?

    KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight from London to Ireland is likely to change within 7 days, so travellers know whether to wait or book now.

  • What is the Hacker Fare option on flights from London to Ireland?

    Hacker Fares allow you to combine one-way tickets in order to save you money over a traditional return ticket. You could then fly from London to Ireland with an airline and back with another airline.

  • What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from London to Ireland?

    Sometimes travel dates aren't set in stone. If your preferred travel dates have some wiggle room, flexible dates will show you all the options when flying from London to Ireland up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

Top tips for finding cheap flights to Ireland

  • When flying from London to Ireland, you will be lucky enough to be able to use any of the London-serving airports for the trip. Heathrow (LHR) and London City Airport (LCY) are the two airports that are closer to London central and are good choices if you are based centrally. Gatwick (LGW), Luton (LTN) and Stansted (STN) are all slightly further afield, so take into account your ground-travel time when planning your itinerary.
  • If you would like to take some great British treats to your Irish friends, all London-serving airports offer great duty-free shopping options. Heathrow and Gatwick have convenient click-and-collect services, which can reduce time. Simply browse online and collect at the designated point of the airport for a seamless transaction.
  • Although your flight to Ireland from London will be rather short, if you have a baby, you may want to ensure they sleep comfortably through it. If you fly with British Airways, you can get a bassinet for your little one, to get them down before the plane takes off. All London airports will also let you board first if your baby is under two years of age.
  • If you are planning on visiting Dublin, ensure your flight arrives at Dublin Airport (DUB), on the western coast of the country. You can also catch flights to the central region of Limerick and land at Shannon Airport (SNN) or the southern region of Cork and land at Cork Airport (ORK). Although Ireland is essentially small, direct city-to-city flights are always good if you don’t have the time for ground transportation.
  • If you are planning on taking your service animal on the plane, be aware that, although this is welcomed, you will have to follow the procedure of alerting the airline at least 48 hours before the flight, making sure the animal’s paperwork is up to date and they have all their latest inoculations.

Reviews of the top airline flying from London to Ireland

 
Need help choosing which airline to fly with from London to Ireland? KAYAK airline reviews give an overall score for each airline based on loads of factors, including comfort, boarding, in-flight entertainment and more, to make your decision easier. See airline scores according to verified KAYAK customer reviews.
6.9
RyanairOverall score based on 5447 reviews
6.0Food
6.5Comfort
5.7Entertainment
6.7Boarding
7.5Crew
Airline reviews

Great flight just took some time to board even when lining up early for the flight, even taking off took longer then expected.

6.0 GoodDee-ann, Dec 2025
Read more Ryanair reviews

Great flight just took some time to board even when lining up early for the flight, even taking off took longer then expected.

Flight was delayed by 1 hour 45 minutes. Aircraft was cramped, dirty and uncomfortable. Boarding staff more interested in charging you for oversize baggage than getting you on board. Overall not a pleasant experience.

It's not the staff's fault. The cabin crew do their best but the setup in Stansted Airport by Ryanair is poor. The herding of people like cattle is unacceptable before boarding and is something that's in every airport but only in Stansted have I seen the queueing of passengers outside the plane on the tarmac and the crew only turning up with maybe 5 minutes to depart. This is a resource issue . Yes prices are good but seemingly comes with a price of poor treatment of customers. I'll pay more next time

It was appalling, full of young people who were drunk and disobeying instructions to sit down. Crew did nothing to enforce. There was a Ryanair pilot sitting in the aisle opposite me who talked through out the safety briefing so loudly I couldn’t hear. Whole thing felt unsafe

Delayed for 2 hours lack of communication no refreshments as promised and the drinks on board were not as ordered and refused to refund

We were diverted to warsaw and there was zero information. We were just forced to disembark and off we go good luck the reat of the way. We all had to go our ways to find a way home!!!! Horrible horrible and it cost us alot of money to get a hotel and trains 4:30 pm next day.

Blood contaminated tissue was stuffed to the back of the seat in front of us.

My flight was delayed 1 hour. My Mood was not great

This time round it was very good, flight delayed by 30mins but capitan put his toe to the floor and made some time up!!

Ryanair is always shite. Slowest boarding possible in the most uncomfortable way. It’s like they are are tad sadistic.

More options for your flight from London to Ireland

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