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Cheap flights from London Heathrow Airport to Ireland from €50

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 10/9. 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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0 bags

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Find the cheapest flights from London Heathrow Airport to Ireland

Cheap return flights

KAYAK's recommended return flight deals from the most popular airlines that fly from London Heathrow Airport to Ireland.
06:20 - 07:45LHR-DUB
1h 25mdirect
20:20 - 21:40DUB-LHR
1h 20mdirect
€80British Airways
Find Deal
Tue, 13 May - Tue, 20 May
18:05 - 19:30LHR-DUB
1h 25mdirect
20:15 - 21:35DUB-LHR
1h 20mdirect
€81British Airways
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Wed, 7 May - Thu, 8 May
06:20 - 07:45LHR-DUB
1h 25mdirect
20:15 - 21:35DUB-LHR
1h 20mdirect
€82British Airways
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Mon, 19 May - Thu, 22 May
11:05 - 12:35LHR-NOC
1h 30mdirect
13:05 - 14:30NOC-LHR
1h 25mdirect
€99Aer Lingus
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Sun, 4 May - Mon, 12 May
22:25 - 23:45LHR-ORK
1h 20mdirect
20:30 - 21:45ORK-LHR
1h 15mdirect
€104Aer Lingus
Find Deal
Wed, 21 May - Tue, 27 May
18:10 - 19:35LHR-DUB
1h 25mdirect
19:00 - 20:20DUB-LHR
1h 20mdirect
€126
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Mon, 14 Apr - Wed, 16 Apr
06:20 - 07:45LHR-DUB
1h 25mdirect
07:30 - 09:05DUB-LHR
1h 35mdirect
€138
Find Deal
Thu, 29 May - Sun, 1 Jun
06:40 - 11:50LHR-DUB
5h 10m1 stop
20:15 - 08:55DUB-LHR
12h 40m1 stop
€173Scandinavian Airlines
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Tue, 12 Aug - Tue, 19 Aug
15:05 - 12:40LHR-DUB
21h 35m1 stop
20:55 - 18:00DUB-LHR
21h 05m2 stops
€174Vueling
Find Deal
Tue, 13 May - Tue, 20 May
19:30 - 11:50LHR-DUB
16h 20m1 stop
19:05 - 09:20DUB-LHR
14h 15m1 stop
€183Scandinavian Airlines
Find Deal
Sun, 10 Aug - Mon, 11 Aug

British Airways flights from London Heathrow Airport to Ireland

Our best British Airways deals on London Heathrow Airport to Ireland flight tickets
British Airways
13 May
LHR06:20London Heathrow
1h 25m
DUB07:45Dublin
20 May
DUB20:20Dublin
1h 20m
LHR21:40London Heathrow
British Airways
7 May
LHR18:05London Heathrow
1h 25m
DUB19:30Dublin
8 May
DUB20:15Dublin
1h 20m
LHR21:35London Heathrow
British Airways
19 May
LHR06:20London Heathrow
1h 25m
DUB07:45Dublin
22 May
DUB20:15Dublin
1h 20m
LHR21:35London Heathrow

KLM flights from London Heathrow Airport to Ireland

Our best KLM deals on London Heathrow Airport to Ireland flight tickets
KLM
8 May
LHR08:40London Heathrow
3h 55m
1 stop
DUB12:35Dublin
12 May
DUB05:55Dublin
4h 50m
1 stop
LHR10:45London Heathrow
KLM
8 May
LHR08:40London Heathrow
3h 55m
1 stop
DUB12:35Dublin
12 May
DUB05:55Dublin
4h 50m
1 stop
LHR10:45London Heathrow
KLM
20 Apr
LHR08:40London Heathrow
3h 55m
1 stop
DUB12:35Dublin
29 Apr
DUB13:20Dublin
4h 15m
1 stop
LHR17:35London 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 September is another great option to travel to Ireland, with average flight prices from London Heathrow Airport averaging around €129.

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 Sunday 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 Saturday because tickets tend to average around €174. 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 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 €150. Flying to Ireland in the morning 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 €309.

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?

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 €144 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 €103 on momondo.

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.

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

€50

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 €50. The best return flight deal from London Heathrow Airport to Ireland found on momondo in the last 72 hours is €80.
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 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 €60Free CancellationRating
6.6
6,713 reviews
Search British Airways flights
Aer LingusPriceFrom €146Free CancellationRating
7.0
1,062 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.


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Popular Cities in Ireland

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