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Cheap flights from Ireland to London Heathrow Airport from £40

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Ireland to London Heathrow Airport departing on 7/12. 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 Ireland to London

Cheap return flights

These are some of the best return flight deals from Ireland to London 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 Ireland to London.

Cheap last-minute flights

Planning a quick getaway from Ireland to London? 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 London, so you can enjoy a seamless trip without stopovers.

Cheap bus & train deals to London

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

All round-trip flight deals to London

The cheapest plane tickets to London found on KAYAK recently.
17:50 - 19:10DUB-LHR
1h 20mdirect
06:30 - 07:55LHR-DUB
1h 25mdirect
£59British Airways
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Sat, 1 Feb - Wed, 5 Feb
20:30 - 21:50DUB-LHR
1h 20mdirect
06:30 - 07:55LHR-DUB
1h 25mdirect
£60British Airways
Find Deal
Thu, 6 Feb - Mon, 10 Feb
13:00 - 14:30NOC-LHR
1h 30mdirect
11:00 - 12:30LHR-NOC
1h 30mdirect
£90Aer Lingus
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Thu, 5 Dec - Wed, 11 Dec
20:05 - 21:25SNN-LHR
1h 20mdirect
18:05 - 19:25LHR-SNN
1h 20mdirect
£90Aer Lingus
Find Deal
Thu, 5 Dec - Wed, 11 Dec
17:50 - 19:10DUB-LHR
1h 20mdirect
07:50 - 09:10LHR-DUB
1h 20mdirect
Sat, 1 Feb - Wed, 5 Feb
20:30 - 21:50DUB-LHR
1h 20mdirect
07:00 - 16:50LHR-DUB
9h 50m1 stop
Thu, 9 Jan - Mon, 13 Jan
08:50 - 16:05DUB-LHR
7h 15m1 stop
11:45 - 16:40LHR-DUB
4h 55m1 stop
£144KLM
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Thu, 9 Jan - Mon, 13 Jan
13:25 - 19:15DUB-LHR
5h 50m1 stop
06:30 - 12:40LHR-DUB
6h 10m1 stop
£144KLM
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Wed, 15 Jan - Wed, 22 Jan
18:40 - 08:05DUB-LHR
13h 25m1 stop
06:00 - 12:30LHR-DUB
6h 30m1 stop
£146SWISS
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Wed, 4 Dec - Mon, 9 Dec
18:40 - 08:05DUB-LHR
13h 25m1 stop
17:10 - 12:05LHR-DUB
18h 55m1 stop
£159SWISS
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Fri, 13 Dec - Tue, 17 Dec
16:05 - 17:30DUB-LHR
1h 25mdirect
£40British Airways
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Sat, 7 Dec
20:30 - 21:50DUB-LHR
1h 20mdirect
£42British Airways
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Sun, 9 Feb
06:40 - 08:05DUB-LHR
1h 25mdirect
£44Aer Lingus
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Mon, 9 Dec
17:30 - 18:55SNN-LHR
1h 25mdirect
£44Aer Lingus
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Wed, 4 Dec
05:55 - 10:45DUB-LHR
4h 50m1 stop
£65KLM
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Sun, 2 Feb
13:25 - 19:15DUB-LHR
5h 50m1 stop
£66KLM
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Wed, 18 Dec
07:25 - 21:55DUB-LHR
14h 30m1 stop
£76Iberia
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Mon, 3 Feb
05:50 - 09:10DUB-LHR
27h 20m1 stop
Sun, 15 Dec
14:50 - 14:25DUB-LHR
23h 35m1 stop
Wed, 27 Nov
07:25 - 17:15DUB-LHR
9h 50m1 stop
£129Iberia
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Tue, 26 Nov
13:20 - 14:45DUB-LHR
1h 25mdirect
07:30 - 08:55LHR-DUB
1h 25mdirect
£130British Airways
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Tue, 19 Nov - Sat, 23 Nov
18:30 - 19:50DUB-LHR
1h 20mdirect
07:30 - 08:55LHR-DUB
1h 25mdirect
Sat, 16 Nov - Sat, 23 Nov
18:30 - 19:50DUB-LHR
1h 20mdirect
08:50 - 10:15LHR-DUB
1h 25mdirect
£136Aer Lingus
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Tue, 19 Nov - Tue, 26 Nov
19:45 - 21:05DUB-LHR
1h 20mdirect
07:50 - 09:10LHR-DUB
1h 20mdirect
£137Aer Lingus
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Sat, 16 Nov - Sun, 17 Nov
16:40 - 21:25DUB-LHR
4h 45m1 stop
17:35 - 22:50LHR-DUB
5h 15m1 stop
£162Air France
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Mon, 18 Nov - Mon, 25 Nov
08:55 - 16:35DUB-LHR
7h 40m1 stop
17:35 - 22:50LHR-DUB
5h 15m1 stop
£163Air France
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Tue, 19 Nov - Sat, 23 Nov
05:00 - 09:45DUB-LHR
4h 45m1 stop
16:30 - 22:40LHR-DUB
6h 10m1 stop
£188Lufthansa
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Sat, 16 Nov - Mon, 18 Nov
12:55 - 17:50DUB-LHR
4h 55m1 stop
20:05 - 12:05LHR-DUB
16h 00m1 stop
£234SWISS
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Wed, 20 Nov - Wed, 20 Nov
18:40 - 16:20DUB-LHR
21h 40m1 stop
17:10 - 12:05LHR-DUB
18h 55m1 stop
£236SWISS
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Mon, 18 Nov - Wed, 20 Nov
05:00 - 09:45DUB-LHR
4h 45m1 stop
07:40 - 17:15LHR-DUB
9h 35m1 stop
£249Lufthansa
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Sat, 16 Nov - Tue, 19 Nov
17:50 - 19:10DUB-LHR
1h 20mdirect
06:30 - 07:55LHR-DUB
1h 25mdirect
£59British Airways
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Sat, 1 Feb - Wed, 5 Feb
20:30 - 21:50DUB-LHR
1h 20mdirect
06:30 - 07:55LHR-DUB
1h 25mdirect
£60British Airways
Find Deal
Thu, 6 Feb - Mon, 10 Feb
20:30 - 21:50DUB-LHR
1h 20mdirect
06:30 - 07:55LHR-DUB
1h 25mdirect
£61British Airways
Find Deal
Thu, 9 Jan - Mon, 13 Jan
20:35 - 21:55DUB-LHR
1h 20mdirect
06:30 - 07:55LHR-DUB
1h 25mdirect
£62British Airways
Find Deal
Fri, 7 Feb - Tue, 11 Feb
20:35 - 21:55DUB-LHR
1h 20mdirect
06:30 - 07:55LHR-DUB
1h 25mdirect
£65British Airways
Find Deal
Fri, 31 Jan - Mon, 3 Feb
13:05 - 14:30DUB-LHR
1h 25mdirect
06:30 - 07:55LHR-DUB
1h 25mdirect
£73British Airways
Find Deal
Sat, 18 Jan - Tue, 21 Jan
13:00 - 14:30NOC-LHR
1h 30mdirect
11:00 - 12:30LHR-NOC
1h 30mdirect
£90Aer Lingus
Find Deal
Thu, 5 Dec - Wed, 11 Dec
20:05 - 21:25SNN-LHR
1h 20mdirect
18:05 - 19:25LHR-SNN
1h 20mdirect
£90Aer Lingus
Find Deal
Thu, 5 Dec - Wed, 11 Dec
13:00 - 14:30NOC-LHR
1h 30mdirect
11:00 - 12:30LHR-NOC
1h 30mdirect
£91Aer Lingus
Find Deal
Thu, 5 Dec - Wed, 11 Dec
17:50 - 19:10DUB-LHR
1h 20mdirect
07:50 - 09:10LHR-DUB
1h 20mdirect
Sat, 1 Feb - Wed, 5 Feb

British Airways flights from Ireland to London Heathrow Airport

Our best British Airways deals on Ireland to London Heathrow Airport flight tickets
British Airways
1 Feb
DUB17:50Dublin
1h 20m
LHR19:10London Heathrow
5 Feb
LHR06:30London Heathrow
1h 25m
DUB07:55Dublin
British Airways
6 Feb
DUB20:30Dublin
1h 20m
LHR21:50London Heathrow
10 Feb
LHR06:30London Heathrow
1h 25m
DUB07:55Dublin
British Airways
9 Jan
DUB20:30Dublin
1h 20m
LHR21:50London Heathrow
13 Jan
LHR06:30London Heathrow
1h 25m
DUB07:55Dublin

Aer Lingus flights from Ireland to London Heathrow Airport

Our best Aer Lingus deals on Ireland to London Heathrow Airport flight tickets
Aer Lingus
5 Dec
NOC13:00Knock Intl
1h 30m
LHR14:30London Heathrow
11 Dec
LHR11:00London Heathrow
1h 30m
NOC12:30Knock Intl
Aer Lingus
5 Dec
NOC13:00Knock Intl
1h 30m
LHR14:30London Heathrow
11 Dec
LHR11:00London Heathrow
1h 30m
NOC12:30Knock Intl
Aer Lingus
27 Nov
SNN20:05Shannon
1h 20m
LHR21:25London Heathrow
28 Nov
LHR10:00London Heathrow
1h 30m
SNN11:30Shannon

How to get the cheapest flight ticket from Ireland to London Heathrow Airport

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 airline that flies to London Heathrow Airport from Ireland?

Aer Lingus. Aer Lingus and British Airways are the most popular carriers operating from Ireland to London Heathrow Airport

How many flights depart from Ireland to London Heathrow Airport on average per day?

The number of flights available between Ireland and London Heathrow Airport is 81 per day as of November 2024. The most frequent departure time is 07:00, with 46% of daily flights leaving at midday.

Can stopping save me money on Ireland to London Heathrow Airport flights?

No. A direct flight is the cheapest option for a flight between Ireland to London Heathrow Airport.

Cheap Ireland to London Heathrow Airport flight deals and tips

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

Best price found

£40

Fastest flight time

1h 15m

Direct flights

Every day
The best one-way flight to London Heathrow Airport from Ireland in the past 72 hours is £40. The best return flight deal from Ireland to London Heathrow Airport found on momondo in the last 72 hours is £59.
The fastest flight from Ireland to London Heathrow Airport takes 1h 15m
Direct flights go from Ireland to London Heathrow Airport every day.

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

    Prices for flights from Ireland to London Heathrow Airport are refreshed on a daily basis.

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

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

    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 layovers. It is recommended that you verify with the airline you are booking with for travel from Ireland to London Heathrow Airport.

  • What documentation or ID do you need to fly to London Heathrow Airport?

    The travel and health documents you'll need for your trip to London Heathrow Airport 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 London Heathrow Airport. 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 Ireland to London Heathrow Airport?


Best airlines flying from Ireland to London Heathrow Airport

Compare and see reviews for airlines that fly from Ireland to London Heathrow Airport with momondo
Airline
Rating
Free Cancellation
Price
British AirwaysPriceFrom £57Free CancellationRating
6.6
6,836 reviews
Search British Airways flights
Aer LingusPriceFrom £80Free CancellationRating
7.1
1,085 reviews
Search Aer Lingus flights

Why use momondo?

Why should I use momondo to find a flight deal from Ireland to London?

It is quick and easy to find Ireland to London flights on momondo. We search and return numerous flight options from various airlines and agents. You can then use our filters to narrow your search until you have found the most convenient flight to London that suits you.

Can I find flights from Ireland to London with flexible booking policies on momondo?

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

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

momondo provides multiple filters to help you find the best flight to London from Ireland. Filter by price, airline, airports, cabin, aircraft, payment method, number of stops and more.

I’m not ready to book a flight from Ireland to London right now. Can momondo alert me if prices change?

If you are not ready to book a flight from Ireland to London now, use our insights above to find helpful tips or alternatively set up a price alert, where momondo will track prices on flights to London and let you know when they change.


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