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Cheap flights from London Heathrow Airport to Ireland from £42

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 Heathrow Airport to Ireland departing on 12/5. 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 London Heathrow Airport to Ireland

Cheap return flights

These are some of the best return flight deals from London Heathrow Airport to Ireland that have been recently found on momondo from popular airlines, departing in the coming months.

Cheap one-way flights

Flying one-way? These are some of the best deals recently discovered on momondo for flights from London Heathrow Airport to Ireland.

Cheap last-minute flights

Planning a quick getaway from London Heathrow Airport to Ireland? These are the last-minute flight deals available now.

Cheap direct flights

If you prefer a non-stop journey, check out our latest direct flight deals to Ireland, so you can enjoy a seamless trip without stopovers.

Cheap bus & train deals from London Heathrow Airport to Ireland

Find recent round-trip train or bus tickets from London Heathrow Airport to Ireland.

All round-trip flight deals to Ireland

The cheapest plane tickets to Ireland found on KAYAK recently.
06:30 - 07:55LHR-DUB
1h 25mdirect
14:55 - 16:15DUB-LHR
1h 20mdirect
£68British Airways
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Tue, 11 Mar - Tue, 11 Mar
06:30 - 07:55LHR-DUB
1h 25mdirect
14:55 - 16:15DUB-LHR
1h 20mdirect
£69British Airways
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Mon, 10 Mar - Tue, 11 Mar
18:05 - 19:25LHR-SNN
1h 20mdirect
07:45 - 09:15SNN-LHR
1h 30mdirect
£80Aer Lingus
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Mon, 20 Jan - Mon, 27 Jan
19:35 - 20:50LHR-DUB
1h 15mdirect
20:35 - 21:55DUB-LHR
1h 20mdirect
Sat, 18 Jan - Sat, 25 Jan
10:00 - 11:30LHR-SNN
1h 30mdirect
07:45 - 09:15SNN-LHR
1h 30mdirect
£84Aer Lingus
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Wed, 5 Feb - Wed, 19 Feb
18:45 - 20:05LHR-DUB
1h 20mdirect
17:50 - 19:10DUB-LHR
1h 20mdirect
Sat, 18 Jan - Sat, 25 Jan
11:45 - 16:40LHR-DUB
4h 55m1 stop
13:25 - 19:15DUB-LHR
5h 50m1 stop
£140KLM
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Fri, 24 Jan - Fri, 31 Jan
08:40 - 12:40LHR-DUB
4h 00m1 stop
08:50 - 16:05DUB-LHR
7h 15m1 stop
£144KLM
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Fri, 21 Feb - Mon, 24 Feb
10:20 - 09:20LHR-DUB
23h 00m1 stop
12:10 - 18:50DUB-LHR
6h 40m1 stop
£163Scandinavian Airlines
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Sat, 8 Feb - Mon, 10 Feb
18:40 - 11:40LHR-DUB
17h 00m1 stop
12:40 - 18:30DUB-LHR
5h 50m1 stop
£174Scandinavian Airlines
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Mon, 20 Jan - Wed, 1 Oct
06:20 - 07:45LHR-DUB
1h 25mdirect
£42British Airways
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Mon, 12 May
06:30 - 07:55LHR-DUB
1h 25mdirect
£47British Airways
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Thu, 27 Feb
22:05 - 23:25LHR-ORK
1h 20mdirect
£48Aer Lingus
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Tue, 31 Dec
22:05 - 23:25LHR-ORK
1h 20mdirect
£50Aer Lingus
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Tue, 31 Dec
15:15 - 07:55LHR-DUB
16h 40m1 stop
£62Vueling
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Wed, 15 Jan
15:15 - 09:05LHR-DUB
17h 50m1 stop
£76Vueling
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Fri, 7 Feb
20:50 - 11:35LHR-DUB
14h 45m1 stop
Sat, 18 Jan
15:15 - 10:55LHR-DUB
19h 40m1 stop
Mon, 27 Jan
08:40 - 12:55LHR-ORK
4h 15m1 stop
£92KLM
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Wed, 22 Jan
17:50 - 22:05LHR-DUB
4h 15m1 stop
£93KLM
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Thu, 23 Jan
06:30 - 07:55LHR-DUB
1h 25mdirect
20:30 - 21:50DUB-LHR
1h 20mdirect
£185British Airways
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Fri, 27 Dec - Tue, 31 Dec
06:30 - 07:55LHR-DUB
1h 25mdirect
20:30 - 21:50DUB-LHR
1h 20mdirect
£208British Airways
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Fri, 27 Dec - Tue, 31 Dec
22:05 - 23:25LHR-ORK
1h 20mdirect
05:55 - 18:15ORK-LHR
12h 20m1 stop
Fri, 27 Dec - Wed, 1 Jan
20:45 - 22:05LHR-DUB
1h 20mdirect
07:30 - 08:10DUB-LHR
24h 40m1 stop
Thu, 26 Dec - Sat, 28 Dec
18:05 - 19:25LHR-SNN
1h 20mdirect
20:05 - 21:25SNN-LHR
1h 20mdirect
£223Aer Lingus
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Thu, 26 Dec - Fri, 3 Jan
18:45 - 20:05LHR-DUB
1h 20mdirect
18:30 - 19:50DUB-LHR
1h 20mdirect
£225Aer Lingus
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Thu, 26 Dec - Tue, 31 Dec
17:30 - 22:50LHR-DUB
5h 20m1 stop
10:45 - 15:50DUB-LHR
5h 05m1 stop
£263Lufthansa
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Thu, 26 Dec - Sun, 29 Dec
11:45 - 16:40LHR-DUB
4h 55m1 stop
13:25 - 20:50DUB-LHR
7h 25m1 stop
£286KLM
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Thu, 26 Dec - Tue, 31 Dec
17:50 - 22:05LHR-DUB
4h 15m1 stop
13:25 - 19:15DUB-LHR
5h 50m1 stop
£290KLM
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Fri, 27 Dec - Wed, 1 Jan
06:30 - 11:00LHR-DUB
4h 30m1 stop
10:45 - 18:35DUB-LHR
7h 50m1 stop
£307Lufthansa
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Tue, 24 Dec - Thu, 26 Dec
06:30 - 07:55LHR-DUB
1h 25mdirect
14:55 - 16:15DUB-LHR
1h 20mdirect
£68British Airways
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Tue, 11 Mar - Tue, 11 Mar
15:30 - 17:00LHR-DUB
1h 30mdirect
08:40 - 10:15DUB-LHR
1h 35mdirect
£69British Airways
Find Deal
Sat, 22 Feb - Tue, 25 Feb
15:30 - 17:00LHR-DUB
1h 30mdirect
20:30 - 21:50DUB-LHR
1h 20mdirect
£71British Airways
Find Deal
Sat, 22 Feb - Mon, 24 Feb
06:30 - 07:55LHR-DUB
1h 25mdirect
20:30 - 21:50DUB-LHR
1h 20mdirect
£72British Airways
Find Deal
Tue, 11 Mar - Wed, 12 Mar
06:30 - 07:55LHR-DUB
1h 25mdirect
20:30 - 21:50DUB-LHR
1h 20mdirect
£72British Airways
Find Deal
Mon, 10 Mar - Wed, 12 Mar
06:30 - 07:55LHR-DUB
1h 25mdirect
20:30 - 21:50DUB-LHR
1h 20mdirect
£73British Airways
Find Deal
Tue, 25 Feb - Thu, 27 Feb
10:00 - 11:30LHR-SNN
1h 30mdirect
07:45 - 09:15SNN-LHR
1h 30mdirect
£84Aer Lingus
Find Deal
Wed, 5 Feb - Wed, 19 Feb
15:20 - 16:45LHR-SNN
1h 25mdirect
20:05 - 21:25SNN-LHR
1h 20mdirect
£89Aer Lingus
Find Deal
Thu, 6 Feb - Mon, 10 Feb
14:00 - 15:25LHR-ORK
1h 25mdirect
17:35 - 18:50ORK-LHR
1h 15mdirect
£93Aer Lingus
Find Deal
Wed, 5 Feb - Wed, 12 Feb
18:45 - 20:05LHR-DUB
1h 20mdirect
17:50 - 19:10DUB-LHR
1h 20mdirect
Sat, 18 Jan - Sat, 25 Jan

British Airways flights from London Heathrow Airport to Ireland

Our best British Airways deals on London Heathrow Airport to Ireland flight tickets
British Airways
11 Mar
LHR06:30London Heathrow
1h 25m
DUB07:55Dublin
11 Mar
DUB14:55Dublin
1h 20m
LHR16:15London Heathrow
British Airways
10 Mar
LHR06:30London Heathrow
1h 25m
DUB07:55Dublin
11 Mar
DUB14:55Dublin
1h 20m
LHR16:15London Heathrow
British Airways
25 Jan
LHR18:25London Heathrow
1h 20m
DUB19:45Dublin
1 Feb
DUB17:30Dublin
1h 25m
LHR18:55London Heathrow

KLM flights from London Heathrow Airport to Ireland

Our best KLM deals on London Heathrow Airport to Ireland flight tickets
KLM
24 Jan
LHR11:45London Heathrow
4h 55m
1 stop
DUB16:40Dublin
31 Jan
DUB13:25Dublin
5h 50m
1 stop
LHR19:15London Heathrow
KLM
21 Feb
LHR08:40London Heathrow
4h 00m
1 stop
DUB12:40Dublin
24 Feb
DUB08:50Dublin
7h 15m
1 stop
LHR16:05London Heathrow
KLM
9 Jan
LHR08:40London Heathrow
4h 00m
1 stop
DUB12:40Dublin
13 Jan
DUB05:55Dublin
4h 50m
1 stop
LHR10:45London Heathrow

See travel insights to Ireland from

How to get the cheapest flight ticket from London Heathrow Airport 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, on average, the cheapest month to fly to Ireland from London Heathrow Airport, with most prices found around £78. If you’re not able to fly to Ireland in January, then February is your next best option. Flight prices from London Heathrow Airport to Ireland during February average around £82.

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 Tuesday when prices can be found for as low as £101. This is often the case because there is less demand to fly during this day of the week. Flights from London Heathrow Airport to Ireland on a Friday will generally be more expensive and average around £129. Keep in mind that these prices on both days could fluctuate depending on the season and the demand.

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

In the morning is the cheapest time of day to fly from London Heathrow Airport to Ireland when you can find flight prices for as low as £112. Flying to Ireland in the morning is an ideal time because this is during off-peak travel hours. Flights to Ireland are more costly at midday, with an average ticket price of £122. Departure times at midday fall within the peak daily travel times, which is why tickets can be more expensive.

What is the cheapest London Heathrow to Ireland flight route?

Fly from London Heathrow to Shannon for the best London Heathrow - Ireland flight prices

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

We recommend purchasing flights from London Heathrow Airport to Ireland 52 days ahead of your departure date because this is when momondo users tend to see the best flight rates. On average, our users have found flights to Ireland for £113. In the past 72 hours, momondo users found flights from London Heathrow Airport to Ireland for as low as £70.

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

There are 3 cabin classes available to choose from on London Heathrow to Ireland 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 London Heathrow Airport to Ireland flights?

You could potentially save up to 47% on your flight if you consider stops on a London Heathrow Airport to Ireland flight.

Cheap London Heathrow Airport to Ireland flight deals and tips

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

Best price found

£42

Fastest flight time

1h 15m

Direct flights

Every day

Airports in Ireland

4 airports
The best one-way flight to Ireland from London Heathrow Airport in the past 72 hours is £42. The best return flight deal from London Heathrow Airport to Ireland found on momondo in the last 72 hours is £68.
The fastest flight from London Heathrow Airport to Ireland takes 1h 15m
Direct flights go from London Heathrow Airport to Ireland every day.
There are 4 airports near Ireland: Dublin (DUB), Shannon (SNN), Knock Intl (NOC), Cork (ORK)

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

    Prices for flights from London Heathrow Airport to Ireland were last updated today.

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

  • How old do you have to be to fly from London Heathrow Airport 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 Heathrow Airport to Ireland.

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

    The travel and health documents you'll need for your trip to Ireland may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Ireland. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

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


Best airlines flying from London Heathrow Airport to Ireland

Compare and see reviews for airlines that fly from London Heathrow Airport to Ireland with momondo
Airline
Rating
Free Cancellation
Price
RyanairPriceFrom £28Free CancellationRating
6.8
5,195 reviews
Search Ryanair flights
British AirwaysPriceFrom £56Free CancellationRating
6.6
6,810 reviews
Search British Airways flights
Aer LingusPriceFrom £92Free CancellationRating
7.1
1,076 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?

momondo does allow users to show only those flights to Ireland from London which offer a flexible booking policy as well as other useful filters and features.

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

momondo offers useful filters to help you find the right flight. Choose specific flight times, airports or even what payment method you prefer. We have numerous options to help you book your ideal flight from London to Ireland.

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

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Popular Cities in Ireland

Popular flights according to clicks in the last 7 days on momondo