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Cheap flights from London Heathrow Airport to Ireland from €51

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.
18:25 - 19:45LHR-DUB
1h 20mdirect
19:25 - 20:45DUB-LHR
1h 20mdirect
€105British Airways
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Sat, 11 Jan - Sun, 12 Jan
15:30 - 17:00LHR-DUB
1h 30mdirect
20:35 - 21:55DUB-LHR
1h 20mdirect
€106British Airways
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Wed, 22 Jan - Fri, 24 Jan
15:20 - 16:45LHR-SNN
1h 25mdirect
20:05 - 21:25SNN-LHR
1h 20mdirect
€107Aer Lingus
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Thu, 6 Feb - Mon, 10 Feb
18:25 - 19:45LHR-DUB
1h 20mdirect
19:25 - 20:45DUB-LHR
1h 20mdirect
€107British Airways
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Sat, 11 Jan - Sun, 12 Jan
14:00 - 15:25LHR-ORK
1h 25mdirect
17:35 - 18:50ORK-LHR
1h 15mdirect
€112Aer Lingus
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Wed, 5 Feb - Wed, 12 Feb
18:45 - 20:05LHR-DUB
1h 20mdirect
17:50 - 19:10DUB-LHR
1h 20mdirect
€113
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Sat, 18 Jan - Sat, 25 Jan
07:50 - 09:10LHR-DUB
1h 20mdirect
20:30 - 21:50DUB-LHR
1h 20mdirect
€122
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Mon, 10 Feb - Mon, 24 Feb
11:45 - 16:40LHR-DUB
4h 55m1 stop
13:25 - 19:15DUB-LHR
5h 50m1 stop
€169KLM
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Fri, 24 Jan - Fri, 31 Jan
11:45 - 16:40LHR-DUB
4h 55m1 stop
05:55 - 12:05DUB-LHR
6h 10m1 stop
€173KLM
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Sun, 9 Mar - Sat, 15 Mar
10:20 - 09:20LHR-DUB
23h 00m1 stop
12:30 - 16:00DUB-LHR
27h 30m1 stop
€211Scandinavian Airlines
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Sat, 8 Feb - Mon, 10 Feb
06:20 - 07:45LHR-DUB
1h 25mdirect
€51British Airways
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Mon, 12 May
06:30 - 07:55LHR-DUB
1h 25mdirect
€57British Airways
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Thu, 27 Feb
22:05 - 23:25LHR-ORK
1h 20mdirect
€58Aer Lingus
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Tue, 31 Dec
10:00 - 11:30LHR-SNN
1h 30mdirect
€58Aer Lingus
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Wed, 22 Jan
15:15 - 07:55LHR-DUB
16h 40m1 stop
€75Vueling
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Wed, 15 Jan
15:15 - 17:55LHR-DUB
26h 40m1 stop
€91Vueling
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Tue, 21 Jan
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
€111KLM
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Wed, 22 Jan
17:50 - 22:05LHR-DUB
4h 15m1 stop
€112KLM
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Thu, 23 Jan
06:30 - 07:55LHR-DUB
1h 25mdirect
20:30 - 21:50DUB-LHR
1h 20mdirect
€223British Airways
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Fri, 27 Dec - Tue, 31 Dec
14:45 - 22:35LHR-DUB
7h 50m1 stop
16:40 - 21:25DUB-LHR
4h 45m1 stop
€237Air France
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Mon, 23 Dec - Fri, 28 Feb
20:45 - 22:05LHR-DUB
1h 20mdirect
07:30 - 08:10DUB-LHR
24h 40m1 stop
€259
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Thu, 26 Dec - Sat, 28 Dec
18:05 - 19:25LHR-SNN
1h 20mdirect
20:05 - 21:25SNN-LHR
1h 20mdirect
€268Aer 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
€271Aer Lingus
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Thu, 26 Dec - Tue, 31 Dec
07:45 - 15:00LHR-SNN
31h 15m2 stops
17:30 - 18:55SNN-LHR
1h 25mdirect
€271
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Mon, 23 Dec - Tue, 24 Dec
17:30 - 22:50LHR-DUB
5h 20m1 stop
10:45 - 15:50DUB-LHR
5h 05m1 stop
€316Lufthansa
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Thu, 26 Dec - Sun, 29 Dec
08:30 - 22:40LHR-DUB
14h 10m1 stop
10:45 - 18:35DUB-LHR
7h 50m1 stop
€331Lufthansa
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Mon, 23 Dec - Thu, 26 Dec
11:45 - 16:40LHR-DUB
4h 55m1 stop
13:25 - 20:50DUB-LHR
7h 25m1 stop
€344KLM
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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
€350KLM
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Fri, 27 Dec - Wed, 1 Jan
06:30 - 07:55LHR-DUB
1h 25mdirect
14:55 - 16:15DUB-LHR
1h 20mdirect
€82British 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
€83British Airways
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Sat, 22 Feb - Tue, 25 Feb
15:30 - 17:00LHR-DUB
1h 30mdirect
20:30 - 21:50DUB-LHR
1h 20mdirect
€85British Airways
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Sat, 22 Feb - Mon, 24 Feb
06:30 - 07:55LHR-DUB
1h 25mdirect
20:30 - 21:50DUB-LHR
1h 20mdirect
€86British Airways
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Tue, 11 Mar - Wed, 12 Mar
06:30 - 07:55LHR-DUB
1h 25mdirect
20:30 - 21:50DUB-LHR
1h 20mdirect
€87British Airways
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Mon, 10 Mar - Wed, 12 Mar
10:00 - 11:30LHR-SNN
1h 30mdirect
07:45 - 09:15SNN-LHR
1h 30mdirect
€101Aer Lingus
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Wed, 5 Feb - Wed, 19 Feb
22:05 - 23:25LHR-ORK
1h 20mdirect
16:05 - 17:20ORK-LHR
1h 15mdirect
€103Aer Lingus
Find Deal
Sat, 8 Feb - Tue, 11 Feb
15:20 - 16:45LHR-SNN
1h 25mdirect
20:05 - 21:25SNN-LHR
1h 20mdirect
€107Aer Lingus
Find Deal
Thu, 6 Feb - Mon, 10 Feb
14:00 - 15:25LHR-ORK
1h 25mdirect
17:35 - 18:50ORK-LHR
1h 15mdirect
€112Aer Lingus
Find Deal
Wed, 5 Feb - Wed, 12 Feb
18:45 - 20:05LHR-DUB
1h 20mdirect
17:50 - 19:10DUB-LHR
1h 20mdirect
€113
Find Deal
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 Jan
LHR18:25London Heathrow
1h 20m
DUB19:45Dublin
12 Jan
DUB19:25Dublin
1h 20m
LHR20:45London Heathrow
British Airways
22 Jan
LHR15:30London Heathrow
1h 30m
DUB17:00Dublin
24 Jan
DUB20:35Dublin
1h 20m
LHR21:55London Heathrow
British Airways
11 Jan
LHR18:25London Heathrow
1h 20m
DUB19:45Dublin
12 Jan
DUB19:25Dublin
1h 20m
LHR20:45London 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
9 Mar
LHR11:45London Heathrow
4h 55m
1 stop
DUB16:40Dublin
15 Mar
DUB05:55Dublin
6h 10m
1 stop
LHR12:05London Heathrow
KLM
6 Feb
LHR11:45London Heathrow
4h 55m
1 stop
DUB16:40Dublin
9 Feb
DUB13:25Dublin
5h 50m
1 stop
LHR19:15London 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 February is another great option to travel to Ireland, with average flight prices from London Heathrow Airport averaging around €99.

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 €0. 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 Monday because tickets tend to average around €253. 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?

At midday is the cheapest time of day to fly from London Heathrow Airport to Ireland when you can find flight prices for as low as €0. Flying to Ireland at midday 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 in the evening when prices are around €181.

What is the cheapest London Heathrow to Ireland flight route?

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

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

The best time to book a flight to Ireland from London Heathrow Airport is 52 days out, which is when prices tend to be around €137. Keep in mind that you might also find cheap flights to Ireland outside of this time window. In fact, momondo users recently found flights from London Heathrow Airport to Ireland for €102.

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

There are 2 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

€51

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 €51. The best return flight deal from London Heathrow Airport to Ireland found on momondo in the last 72 hours is €105.
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 are refreshed on a daily basis.

  • 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 for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and stopovers. It is recommended that you verify with the airline you are booking with for travel from London Heathrow Airport 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 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
British AirwaysPriceFrom €62Free CancellationRating
6.6
6,815 reviews
Search British Airways flights
Aer LingusPriceFrom €105Free 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?

Yes. All flights to Ireland from London on momondo can be compared and filtered by various policies on offer, including flexible booking.

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?

Price alerts on flights to Ireland from London are quick and easy to set up on momondo. Simply perform a search and select the price alert feature. It is as simple as that.


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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Popular Cities in Ireland

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