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Cheap flights from London to Ireland 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 London to Ireland departing on 12/8. 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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Cheap return flights

Ryanair Logo
11:15 - 12:35STN-DUB
1h 20mdirect
Ryanair Logo
20:50 - 22:10DUB-STN
1h 20mdirect
€33Ryanair
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Tue, 12 Aug - Tue, 19 Aug
Ryanair Logo
06:55 - 08:15STN-DUB
1h 20mdirect
Ryanair Logo
23:00 - 00:20DUB-STN
1h 20mdirect
€33Ryanair
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Thu, 21 Aug - Sun, 24 Aug
Logo
17:50 - 19:10STN-DUB
1h 20mdirect
Logo
21:05 - 22:25DUB-STN
1h 20mdirect
€52
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Thu, 9 Oct - Fri, 17 Oct
Logo
13:05 - 14:30LGW-DUB
1h 25mdirect
Logo
08:55 - 16:20DUB-LGW
7h 25m1 stop
€83
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Wed, 8 Oct - Wed, 15 Oct
British Airways Logo
16:30 - 18:00LHR-DUB
1h 30mdirect
British Airways Logo
10:25 - 12:00DUB-LHR
1h 35mdirect
€86British Airways
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Thu, 18 Sep - Tue, 23 Sep
British Airways Logo
16:30 - 18:00LHR-DUB
1h 30mdirect
British Airways Logo
11:00 - 12:30DUB-LHR
1h 30mdirect
€87British Airways
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Thu, 11 Sep - Thu, 18 Sep
Aer Lingus Logo
19:10 - 20:35LHR-SNN
1h 25mdirect
Aer Lingus Logo
17:30 - 18:55SNN-LHR
1h 25mdirect
€110Aer Lingus
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Wed, 3 Sep - Sat, 6 Sep
Aer Lingus Logo
19:10 - 20:35LHR-SNN
1h 25mdirect
Aer Lingus Logo
21:15 - 22:40SNN-LHR
1h 25mdirect
€111Aer Lingus
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Tue, 29 Jul - Wed, 30 Jul
KLM Logo
17:50 - 23:30LCY-ORK
5h 40m1 stop
KLM Logo
06:00 - 17:20ORK-LCY
11h 20m1 stop
€242KLM
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Fri, 10 Oct - Sun, 12 Oct
KLM Logo
20:10 - 22:25LCY-ORK
26h 15m1 stop
KLM Logo
06:00 - 07:15ORK-LCY
25h 15m1 stop
€298KLM
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Fri, 5 Sep - Sun, 7 Sep

Ryanair flights from London to Ireland

Our best Ryanair deals on London to Ireland flight tickets
Ryanair
12 Aug
STN11:15London Stansted
1h 20m
DUB12:35Dublin
19 Aug
DUB20:50Dublin
1h 20m
STN22:10London Stansted
€33
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Ryanair
21 Aug
STN06:55London Stansted
1h 20m
DUB08:15Dublin
24 Aug
DUB23:00Dublin
1h 20m
STN00:20London Stansted
€33
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Ryanair
12 Aug
STN22:35London Stansted
1h 20m
DUB23:55Dublin
19 Aug
DUB20:50Dublin
1h 20m
STN22:10London Stansted
€36
Find similar

British Airways flights from London to Ireland

Our best British Airways deals on London to Ireland flight tickets
British Airways
18 Sept
LHR16:30London Heathrow
1h 30m
DUB18:00Dublin
23 Sept
DUB10:25Dublin
1h 35m
LHR12:00London Heathrow
€86
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British Airways
11 Sept
LHR16:30London Heathrow
1h 30m
DUB18:00Dublin
18 Sept
DUB11:00Dublin
1h 30m
LHR12:30London Heathrow
€87
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British Airways
16 Sept
LHR06:20London Heathrow
1h 25m
DUB07:45Dublin
23 Sept
DUB10:25Dublin
1h 35m
LHR12:00London Heathrow
€88
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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 January 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 Thursday when prices can be found for as low as €103. 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 Saturday because tickets tend to average around €161. 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 €144. 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 €287.

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 €139 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

€17

Fastest flight time

1h 15m

Direct flights

Every day

Airports in Ireland

2 airports
The best one-way flight to Ireland from London in the past 72 hours is €17. The best return flight deal from London to Ireland found on momondo in the last 72 hours is €33.
The fastest flight from London to Ireland takes 1h 15m
Direct flights go from London to Ireland every day.
There are 2 airports near Ireland: Dublin (DUB), Cork (ORK)
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  • 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
British AirwaysPriceFrom €78Free CancellationRating
6.6
7,120 reviews
Search British Airways flights
Aer LingusPriceFrom €144Free CancellationRating
7.1
1,154 reviews
Search Aer Lingus 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.
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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 €42
Flights to Corkfrom €117
Flights to Shannon, Clarefrom €120
Flights to Donegalfrom €65
Flights to Milltown (Kerry)from €39