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Cheap flights from London Heathrow Airport to Ireland from £43

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 26/7. 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

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Cheap return flights

KAYAK's recommended return flight deals from the most popular airlines that fly from London Heathrow Airport to Ireland.
British Airways Logo
06:15 - 07:40LHR-DUB
1h 25mdirect
British Airways Logo
20:20 - 21:40DUB-LHR
1h 20mdirect
£70British Airways
Find Deal
Wed, 16 Jul - Wed, 23 Jul
British Airways Logo
06:20 - 07:45LHR-DUB
1h 25mdirect
British Airways Logo
20:15 - 21:35DUB-LHR
1h 20mdirect
£71British Airways
Find Deal
Mon, 12 May - Thu, 15 May
British Airways Logo
06:20 - 07:45LHR-DUB
1h 25mdirect
British Airways Logo
20:20 - 21:40DUB-LHR
1h 20mdirect
£72British Airways
Find Deal
Mon, 19 May - Tue, 20 May
Aer Lingus Logo
22:25 - 23:45LHR-ORK
1h 20mdirect
Aer Lingus Logo
20:30 - 21:45ORK-LHR
1h 15mdirect
£81Aer Lingus
Find Deal
Tue, 6 May - Sat, 17 May
Aer Lingus Logo
11:05 - 12:35LHR-NOC
1h 30mdirect
Aer Lingus Logo
13:05 - 14:30NOC-LHR
1h 25mdirect
£81Aer Lingus
Find Deal
Tue, 13 May - Sat, 24 May
 Logo
21:10 - 22:30LHR-DUB
1h 20mdirect
 Logo
15:30 - 16:50DUB-LHR
1h 20mdirect
Mon, 26 May - Wed, 11 Jun
 Logo
15:40 - 17:05LHR-DUB
1h 25mdirect
 Logo
12:30 - 13:55DUB-LHR
1h 25mdirect
Wed, 30 Apr - Wed, 7 May
Scandinavian Airlines Logo
17:30 - 09:15LHR-DUB
15h 45m1 stop
Scandinavian Airlines Logo
20:05 - 12:55DUB-LHR
16h 50m1 stop
£137Scandinavian Airlines
Find Deal
Sat, 17 May - Sat, 24 May
Scandinavian Airlines Logo
19:30 - 09:25LHR-DUB
13h 55m1 stop
Scandinavian Airlines Logo
12:20 - 18:50DUB-LHR
6h 30m1 stop
£142Scandinavian Airlines
Find Deal
Fri, 16 May - Fri, 23 May
Vueling Logo
15:05 - 07:25LHR-DUB
16h 20m1 stop
Vueling Logo
08:20 - 14:15DUB-LHR
5h 55m1 stop
£149Vueling
Find Deal
Thu, 1 May - Thu, 15 May

British Airways flights from London Heathrow Airport to Ireland

Our best British Airways deals on London Heathrow Airport to Ireland flight tickets
British Airways
16 Jul
LHR06:15London Heathrow
1h 25m
DUB07:40Dublin
23 Jul
DUB20:20Dublin
1h 20m
LHR21:40London Heathrow
British Airways
12 May
LHR06:20London Heathrow
1h 25m
DUB07:45Dublin
15 May
DUB20:15Dublin
1h 20m
LHR21:35London Heathrow
British Airways
19 May
LHR06:20London Heathrow
1h 25m
DUB07:45Dublin
20 May
DUB20:20Dublin
1h 20m
LHR21:40London Heathrow

Scandinavian Airlines flights from London Heathrow Airport to Ireland

Our best Scandinavian Airlines deals on London Heathrow Airport to Ireland flight tickets
Scandinavian Airlines
17 May
LHR17:30London Heathrow
15h 45m
1 stop
DUB09:15Dublin
24 May
DUB20:05Dublin
16h 50m
1 stop
LHR12:55London Heathrow
Scandinavian Airlines
16 May
LHR19:30London Heathrow
13h 55m
1 stop
DUB09:25Dublin
23 May
DUB12:20Dublin
6h 30m
1 stop
LHR18:50London Heathrow
Scandinavian Airlines
16 May
LHR19:30London Heathrow
13h 55m
1 stop
DUB09:25Dublin
23 May
DUB12:20Dublin
6h 30m
1 stop
LHR18:50London 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 £107. If you’re not able to fly to Ireland in January, then September is your next best option. Flight prices from London Heathrow Airport to Ireland during September average around £108.

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 £129. 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 Monday will generally be more expensive and average around £557. 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 evening is the cheapest time of day to fly from London Heathrow Airport to Ireland when you can find flight prices for as low as £111. Flying to Ireland in the evening is an ideal time because this is during off-peak travel hours. Flights to Ireland are more costly in the morning, with an average ticket price of £539. Departure times in the morning 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 Knock Intl for the best London Heathrow - 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 Heathrow Airport when booking 26 weeks ahead of your departure date. In general, you can expect to find flights to Ireland for around £120 when searching 26 weeks out.However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Ireland from London Heathrow Airport for as low as £86 on momondo.

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.

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

£43

Fastest flight time

1h 10m

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 £43. The best return flight deal from London Heathrow Airport to Ireland found on momondo in the last 72 hours is £70.
The fastest flight from London Heathrow Airport to Ireland takes 1h 10m
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 £27Free CancellationRating
6.8
5,015 reviews
Search Ryanair flights
British AirwaysPriceFrom £64Free CancellationRating
6.6
6,717 reviews
Search British Airways flights
Aer LingusPriceFrom £81Free CancellationRating
7.0
1,060 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.


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Popular Cities in Ireland

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