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Flights to London Heathrow

€55 Cheap flights to London Heathrow Airport

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight 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 Heathrow Airport

Cheap return flights

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

Cheap last-minute flights

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

Cheap bus & train deals to London Heathrow Airport

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

All round-trip flight deals to London Heathrow Airport

The cheapest plane tickets to London Heathrow Airport found on KAYAK recently.
21:10 - 22:30DUB-LHR
1h 20mdirect
21:00 - 22:25LHR-DUB
1h 25mdirect
€79British Airways
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Sat, 26 Apr - Tue, 6 May
20:15 - 21:35DUB-LHR
1h 20mdirect
06:50 - 08:15LHR-DUB
1h 25mdirect
€80British Airways
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Wed, 23 Apr - Thu, 24 Apr
21:10 - 22:30DUB-LHR
1h 20mdirect
06:50 - 08:15LHR-DUB
1h 25mdirect
€81British Airways
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Sat, 26 Apr - Thu, 8 May
13:00 - 14:30NOC-LHR
1h 30mdirect
11:00 - 12:30LHR-NOC
1h 30mdirect
€99Aer Lingus
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Mon, 2 Dec - Thu, 12 Dec
13:00 - 14:30NOC-LHR
1h 30mdirect
11:00 - 12:30LHR-NOC
1h 30mdirect
€108Aer Lingus
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Sat, 7 Dec - Tue, 10 Dec
20:35 - 21:55DUB-LHR
1h 20mdirect
07:50 - 09:10LHR-DUB
1h 20mdirect
€111
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Fri, 7 Feb - Sun, 9 Feb
17:50 - 19:10DUB-LHR
1h 20mdirect
19:35 - 21:45LHR-DUB
26h 10m1 stop
€113
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Sat, 22 Mar - Sun, 23 Mar
08:50 - 13:50DUB-LHR
5h 00m1 stop
11:45 - 16:40LHR-DUB
4h 55m1 stop
€172KLM
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Thu, 9 Jan - Mon, 13 Jan
05:55 - 10:45DUB-LHR
4h 50m1 stop
10:00 - 16:40LHR-DUB
6h 40m1 stop
€173KLM
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Sun, 12 Jan - Fri, 17 Jan
08:55 - 13:45DUB-LHR
4h 50m1 stop
14:45 - 22:50LHR-DUB
8h 05m1 stop
€183Air France
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Thu, 9 Jan - Mon, 13 Jan
20:35 - 21:55DUB-LHR
1h 20mdirect
€55British Airways
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Sat, 7 Dec
20:05 - 21:25SNN-LHR
1h 20mdirect
€55Aer Lingus
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Tue, 26 Nov
20:30 - 21:50DUB-LHR
1h 20mdirect
€56British Airways
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Sun, 19 Jan
20:05 - 21:25SNN-LHR
1h 20mdirect
€56Aer Lingus
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Wed, 11 Dec
11:10 - 20:05DUB-LHR
8h 55m1 stop
€62Vueling
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Wed, 15 Jan
11:10 - 20:05DUB-LHR
8h 55m1 stop
€73Vueling
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Wed, 5 Feb
13:25 - 19:15DUB-LHR
5h 50m1 stop
€78KLM
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Wed, 18 Dec
07:25 - 17:15DUB-LHR
9h 50m1 stop
€80Iberia
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Tue, 11 Mar
10:55 - 17:15DUB-LHR
6h 20m1 stop
€80Iberia
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Tue, 4 Feb
13:25 - 19:15DUB-LHR
5h 50m1 stop
€90KLM
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Tue, 17 Dec
20:35 - 21:55DUB-LHR
1h 20mdirect
18:15 - 19:35LHR-DUB
1h 20mdirect
€104British Airways
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Sat, 23 Nov - Tue, 26 Nov
20:35 - 21:55DUB-LHR
1h 20mdirect
18:15 - 19:35LHR-DUB
1h 20mdirect
€113British Airways
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Sat, 23 Nov - Tue, 26 Nov
18:30 - 19:50DUB-LHR
1h 20mdirect
18:25 - 19:45LHR-DUB
1h 20mdirect
€131
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Sat, 23 Nov - Sat, 30 Nov
20:05 - 21:25SNN-LHR
1h 20mdirect
15:20 - 16:45LHR-SNN
1h 25mdirect
€137Aer Lingus
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Wed, 20 Nov - Wed, 27 Nov
18:30 - 19:50DUB-LHR
1h 20mdirect
18:25 - 19:45LHR-DUB
1h 20mdirect
€139
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Sat, 23 Nov - Sat, 30 Nov
19:45 - 21:05DUB-LHR
1h 20mdirect
07:50 - 09:10LHR-DUB
1h 20mdirect
€148Aer Lingus
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Sat, 23 Nov - Sun, 24 Nov
08:55 - 16:35DUB-LHR
7h 40m1 stop
06:20 - 15:40LHR-DUB
9h 20m1 stop
€176Air France
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Wed, 20 Nov - Wed, 27 Nov
16:40 - 21:25DUB-LHR
4h 45m1 stop
14:45 - 22:50LHR-DUB
8h 05m1 stop
€183Air France
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Sat, 23 Nov - Tue, 26 Nov
13:25 - 20:50DUB-LHR
7h 25m1 stop
06:30 - 12:40LHR-DUB
6h 10m1 stop
€256KLM
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Sat, 23 Nov - Sun, 24 Nov
08:50 - 13:50DUB-LHR
5h 00m1 stop
06:30 - 12:40LHR-DUB
6h 10m1 stop
€267KLM
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Thu, 21 Nov - Sun, 24 Nov
20:30 - 21:50DUB-LHR
1h 20mdirect
06:30 - 07:55LHR-DUB
1h 25mdirect
€64British Airways
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Thu, 6 Feb - Mon, 10 Feb
20:30 - 21:50DUB-LHR
1h 20mdirect
06:30 - 07:55LHR-DUB
1h 25mdirect
€69British Airways
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Thu, 6 Mar - Mon, 10 Mar
14:55 - 16:15DUB-LHR
1h 20mdirect
06:55 - 08:20LHR-DUB
1h 25mdirect
€70British Airways
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Tue, 25 Mar - Wed, 2 Apr
17:50 - 19:10DUB-LHR
1h 20mdirect
06:30 - 07:55LHR-DUB
1h 25mdirect
€71British Airways
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Sat, 1 Feb - Mon, 3 Feb
07:15 - 08:45DUB-LHR
1h 30mdirect
06:55 - 08:20LHR-DUB
1h 25mdirect
€79British Airways
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Mon, 5 May - Tue, 13 May
20:15 - 21:35DUB-LHR
1h 20mdirect
06:50 - 08:15LHR-DUB
1h 25mdirect
€80British Airways
Find Deal
Wed, 23 Apr - Thu, 24 Apr
13:00 - 14:30NOC-LHR
1h 30mdirect
11:00 - 12:30LHR-NOC
1h 30mdirect
€99Aer Lingus
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Mon, 2 Dec - Thu, 12 Dec
13:00 - 14:30NOC-LHR
1h 30mdirect
11:00 - 12:30LHR-NOC
1h 30mdirect
€108Aer Lingus
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Sat, 7 Dec - Tue, 10 Dec
17:25 - 18:50SNN-LHR
1h 25mdirect
18:05 - 19:25LHR-SNN
1h 20mdirect
€108Aer Lingus
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Sat, 7 Dec - Tue, 10 Dec
20:35 - 21:55DUB-LHR
1h 20mdirect
07:50 - 09:10LHR-DUB
1h 20mdirect
€111
Find Deal
Fri, 7 Feb - Sun, 9 Feb

Flights to London Heathrow Airport – Travel Insights & Trends

Get data-powered insights and trends for flights to London Heathrow Airport to help you craft the best travel plan.

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

There are 3 cabin classes available to choose from on Ireland to London Heathrow flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

What is the cheapest day to depart on your flight to London Heathrow Airport?

The cheapest day to depart on your flight to London Heathrow Airport is on a Tuesday when prices can be found for as low as €110. This is often the case because there is less demand to fly during this day of the week. On the other hand, Sunday is the most expensive day to depart from Ireland because it is more convenient for both business and leisure travellers. As a result, prices tend to be around €160.

What is the cheapest airline that flies from Ireland to London Heathrow?

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

What is the cheapest month to fly to London Heathrow Airport?

The month of February is another great option to travel to London Heathrow Airport, with average flight prices from Ireland averaging around €107.

What is the cheapest time of day to depart on your flight to London Heathrow Airport?

According to our data, the cheapest time of day to fly to London Heathrow Airport is in the evening. momondo users have found flights departing from Ireland to London Heathrow Airport in the evening for as low as €129. Keep in mind that these prices may fluctuate based on what airline you choose and the time of year you plan to travel. If you have a flexible travel schedule, then try to avoid flying in the morning when prices are €136 on average. Flights to London Heathrow Airport from Ireland in the morning are generally more expensive because this time of day is more convenient for travellers’ schedules.

What is the cheapest Ireland to London Heathrow flight route?

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

How far in advance should I book a flight to London Heathrow Airport?

Most flyers found that booking tickets 53 days in advance of their planned departure date is the best time to get cheap flights to London Heathrow Airport. During this timeframe, flight prices are around €132. In the past 72 hours, momondo users found flights from Ireland to London Heathrow Airport for as low as €86.

How long does it take to fly to London Heathrow Airport?

Flight times vary depending on what airport in Ireland you fly out of and what airport in London Heathrow Airport you fly into. For example, flying from Dublin to London Heathrow takes 1h 20m on average. On the other hand, flying from Cork to London Heathrow takes 1h 15m on average. Keep in mind that it’s always quicker to opt for a non-stop flight, so be sure to check momondo to see if there are any available for your route.

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

As of November 2024, there are 78 flights per week flying from Ireland to London Heathrow Airport. The most common time of day flights depart is 07:00, with 46% of flights taking off at midday.

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

The number of flights available between Ireland and London Heathrow Airport is 548 per week as of November 2024. The most frequent departure day is Tue, with 18% of weekly flights leaving on this day.

Cheapest flights to London Heathrow

Find the cheapest flights to London Heathrow from your nearest city or airport
CHEAPEST MONTH TO FLY TO LONDON HEATHROW AIRPORT FROM DUBLINJanuary31% cheaperFlying from Dublin to London Heathrow Airport costs on average just €91 in January
MOST EXPENSIVE MONTH TO FLY TO LONDON HEATHROW AIRPORT FROM DUBLINNovember18% more expensiveIt costs about €156 for flights to London Heathrow Airport from Dublin in November
MOST POPULAR MONTH TO FLY TO LONDON HEATHROW AIRPORT FROM DUBLINAugust232% more users visitedMore momondo users searched in flights to London Heathrow Airport from Dublin in August than any other month

Cheap London Heathrow Airport flight deals and tips

Summary info about London Heathrow Airport flight prices, duration and airlines

Best One-Way Price

€55

Best Round-Trip Price

€79

Fastest flight time

1h 15m

Popular in

November
The best one-way flight price to London from Ireland in the last 72 hours is €55 (Dublin to London Heathrow).
The best round-trip flight price to London from Ireland in the last 72 hours is €79 (Dublin to London Heathrow).
The fastest flight to London from Ireland takes 1h 15m (Dublin to London Heathrow).
November has the highest demand for flights to London, with a 10% price increase on average.

Frequently asked questions about flying to London Heathrow Airport

What is the cheapest month to fly to London Heathrow Airport?

In general, when booking your flight to London Heathrow Airport, January is the cheapest month on average.

How far in advance should I book a flight to London Heathrow Airport?

From most locations, booking your flights to London Heathrow Airport around 53 days prior to your departure date finds the best deals.

What is the cheapest day to depart on your flight to London Heathrow Airport?

On average, the cheapest flights to London Heathrow Airport are found when departing on a Tuesday. Try to avoid departing on a Sunday, as this is usually the most expensive day.

What is the cheapest time of day to fly to London Heathrow Airport?

Our data shows that the cheapest London Heathrow Airport flights are usually those with Evening departure times. Morning flights are often costlier.

Is there an alternative airport near London Heathrow Airport?

Finding an alternative and possibly cheaper destination airport near London Heathrow Airport is possible. If you are planning a flight to London Heathrow Airport, consider booking flights to London City Airport (12 km from London city centre), London Gatwick Airport (38 km from London city centre), London Luton Airport (45 km from London city centre), London Stansted Airport (50 km from London city centre) or London Southend Airport (57 km from London city centre).

Is there a cheaper alternative to flying into London?

Prices vary based on where travellers are departing from, but on average, the cheapest airport to fly to in London is London Stansted Airport where the average price is €104. Users typically find the best prices when using momondo’s Airport-to-Airport Pricing Tool.

What is the absolute cheapest flight to London?

In the past two weeks, users have booked deals to London for €59/person, which is 67% cheaper than the average flight to London. To find the cheapest price to London from your area, use momondo’s Airport-to-Airport Pricing Tool.

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

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

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

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

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 to London Heathrow Airport.

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

The travel and health documents required for your trip to London Heathrow Airport can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s licence, and a passport valid for six-months after you plan to arrive at London Heathrow Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.


Why use momondo?

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

To find the flight that best suits your needs, momondo gathers a range of flights from a large pool of different airlines and agents; you can then use our insights and filters to find and book the right flight to London.

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

Yes. momondo allows you to filter the results for flights to London to just show those with flexible booking policies.

How can momondo help me find flights to London?

momondo helps you find the best flight to London by providing filters to narrow your choice of flights to those matching your criteria. You can select fights based on numerous factors such as price, departure and landing times, airport and airline.

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

Yes. momondo can track flight prices for London and alert you when they change. Perform a search to set up the price alert. All that is required is a valid email address.


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Popular Flights to London Heathrow Airport

Popular routes according to searches in the past day on momondo

Cheapest flight routes to London Heathrow

These routes have the cheapest flights to London Heathrow found by momondo users in Ireland
DepartingDestinationBest TimeBest Price
DublinLondon1h 20m€64
ShannonLondon1h 20m€108
KnockLondon1h 30m€110
CorkLondon1h 15m€151
Milltown (Kerry)London3h 50m€152