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

As of August 2025, 617 flights take off from Ireland and land in London Heathrow Airport each week. The most common flight departure day for this route is Mon, with 18% of weekly flights taking off on this day.

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

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

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

If you’re flying from a popular airport in Ireland, such as Cork or Shannon, and flying into London Heathrow Airport, then you can expect flight times to average 1h 15m and 1h 20m, respectively.

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 88 per day as of August 2025. The most frequent departure time is 07:00, with 46% of daily flights leaving at midday.

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?

As of August 2025, there are 2 operators available to choose from 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.

£38 Cheap Flights from Ireland to London Heathrow Airport in 2025

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Recent return flight deals from Ireland to London

13:10 - 14:35DUB-LHR

1h 25mdirect

12:50 - 14:20LHR-DUB

1h 30mdirect

£76British Airways

Find Deal

Wed, 14 Jan - Sat, 17 Jan

08:50 - 10:25DUB-LHR

1h 35mdirect

06:30 - 07:55LHR-DUB

1h 25mdirect

£77British Airways

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Wed, 5 Nov - Fri, 7 Nov

08:50 - 10:25DUB-LHR

1h 35mdirect

06:30 - 07:55LHR-DUB

1h 25mdirect

£78British Airways

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Tue, 2 Dec - Sat, 6 Dec

10:25 - 12:00DUB-LHR

1h 35mdirect

06:15 - 07:40LHR-DUB

1h 25mdirect

£78British Airways

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Tue, 23 Sep - Sat, 27 Sep

20:30 - 21:45ORK-LHR

1h 15mdirect

22:25 - 23:45LHR-ORK

1h 20mdirect

£87Aer Lingus

Find Deal

Wed, 3 Sep - Wed, 24 Sep

13:05 - 14:30NOC-LHR

1h 25mdirect

11:05 - 12:35LHR-NOC

1h 30mdirect

£88Aer Lingus

Find Deal

Tue, 16 Sep - Mon, 29 Sep

19:00 - 20:20DUB-LHR

1h 20mdirect

06:15 - 07:40LHR-DUB

1h 25mdirect

£106

Find Deal

Mon, 1 Sep - Wed, 3 Sep

19:00 - 20:20DUB-LHR

1h 20mdirect

08:10 - 09:35LHR-DUB

1h 25mdirect

£111

Find Deal

Thu, 28 Aug - Sun, 31 Aug

06:00 - 10:45ORK-LHR

4h 45m1 stop

08:40 - 16:35LHR-ORK

7h 55m1 stop

£218KLM

Find Deal

Sat, 11 Oct - Sun, 12 Oct

15:25 - 16:35ORK-LHR

25h 10m1 stop

19:45 - 14:40LHR-ORK

18h 55m1 stop

£221Air France

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Wed, 3 Sep - Wed, 24 Sep

Aer Lingus flights from Ireland to London Heathrow Airport

Our best Aer Lingus deals on Ireland to London Heathrow Airport flight tickets

Aer Lingus

3 Sept

ORK20:30Cork

1h 15m

LHR21:45London Heathrow

24 Sept

LHR22:25London Heathrow

1h 20m

ORK23:45Cork

£87

Find similar

Aer Lingus

16 Sept

NOC13:05Knock Intl

1h 25m

LHR14:30London Heathrow

29 Sept

LHR11:05London Heathrow

1h 30m

NOC12:35Knock Intl

£88

Find similar

Aer Lingus

17 Sept

ORK20:30Cork

1h 15m

LHR21:45London Heathrow

24 Sept

LHR22:25London Heathrow

1h 20m

ORK23:45Cork

£90

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British Airways flights from Ireland to London Heathrow Airport

Our best British Airways deals on Ireland to London Heathrow Airport flight tickets

British Airways

14 Jan

DUB13:10Dublin

1h 25m

LHR14:35London Heathrow

17 Jan

LHR12:50London Heathrow

1h 30m

DUB14:20Dublin

£76

Find similar

British Airways

5 Nov

DUB08:50Dublin

1h 35m

LHR10:25London Heathrow

7 Nov

LHR06:30London Heathrow

1h 25m

DUB07:55Dublin

£77

Find similar

British Airways

2 Dec

DUB08:50Dublin

1h 35m

LHR10:25London Heathrow

6 Dec

LHR06:30London Heathrow

1h 25m

DUB07:55Dublin

£78

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momondo Fare Finder

Use the filters below to find and compare flights from Ireland to London Heathrow Airport that are best for you.

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Depart

Return

Price

DublinLondon

DUB - LHR

DUBLHR

Dublin

Wed 14/1

13:10-14:35

Nonstop1h 25m

London Heathrow

Sat 17/1

12:50-14:20

Nonstop1h 30m

£76

DublinLondon

DUB - LHR

DUBLHR

Dublin

Wed 5/11

08:50-10:25

Nonstop1h 35m

London Heathrow

Fri 7/11

06:30-07:55

Nonstop1h 25m

£77

DublinLondon

DUB - LHR

DUBLHR

Dublin

Tue 2/12

08:50-10:25

Nonstop1h 35m

London Heathrow

Sat 6/12

06:30-07:55

Nonstop1h 25m

£78

DublinLondon

DUB - LHR

DUBLHR

Dublin

Tue 23/9

10:25-12:00

Nonstop1h 35m

London Heathrow

Sat 27/9

06:15-07:40

Nonstop1h 25m

£78

CorkLondon

ORK - LHR

ORKLHR

Cork

Wed 3/9

20:30-21:45

Nonstop1h 15m

London Heathrow

Wed 24/9

22:25-23:45

Nonstop1h 20m

£87

KnockLondon

NOC - LHR

NOCLHR

Knock Intl

Tue 16/9

13:05-14:30

Nonstop1h 25m

London Heathrow

Mon 29/9

11:05-12:35

Nonstop1h 30m

£88

DublinLondon

DUB - LHR

DUBLHR

Dublin

Mon 1/9

19:00-20:20

Nonstop1h 20m

London Heathrow

Wed 3/9

06:15-07:40

Nonstop1h 25m

£106

DublinLondon

DUB - LHR

DUBLHR

Dublin

Thu 28/8

19:00-20:20

Nonstop1h 20m

London Heathrow

Sun 31/8

08:10-09:35

Nonstop1h 25m

£111

CorkLondon

ORK - LHR

ORKLHR

Cork

Sat 11/10

06:00-10:45

1 stop4h 45m

London Heathrow

Sun 12/10

08:40-16:35

1 stop7h 55m

£218

CorkLondon

ORK - LHR

ORKLHR

Cork

Wed 3/9

15:25-16:35

1 stop25h 10m

London Heathrow

Wed 24/9

19:45-14:40

1 stop18h 55m

£221

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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

Prices

Airlines

Other information

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

In general, January is the cheapest month to fly from Ireland to London Heathrow Airport. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around £97. The month of September is another great option to travel to London Heathrow Airport, with average flight prices from Ireland averaging around £102.

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

On average, the least expensive day to fly to London Heathrow Airport from Ireland is on a Friday. momondo users have found tickets for Friday departures for as low as £454. However, this price may fluctuate depending on the airline, the season, and holidays. Be sure to avoid booking your departure on a Sunday as prices are generally higher than usual. According to our data, the average ticket price to London Heathrow Airport on Sunday is £558.

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 £230. 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 afternoon when prices are £737 on average. Flights to London Heathrow Airport from Ireland in the afternoon 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 Shannon to London Heathrow for the best Ireland - London Heathrow flight prices

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

You are more likely to see cheaper flights to London Heathrow Airport from Ireland when booking weeks ahead of your departure date. In general, you can expect to find flights to London Heathrow Airport for around £118 when searching weeks before you fly. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to London Heathrow Airport from Ireland for as low as £80 on momondo.

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.

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	£38
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 £38. The best return flight deal from Ireland to London Heathrow Airport found on momondo in the last 72 hours is £76.

The fastest flight from Ireland to London Heathrow Airport takes 1h 15m

Direct flights go from Ireland to London Heathrow Airport every day.

Search flight deals

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?
As of August 2025, there are 2 operators available to choose from 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?
Based on momondo bookings for this flight route, the most popular plane model on flight routes from Ireland to London Heathrow Airport is Airbus A321neo (29.04% of total bookings). The next most popular plane models are Airbus A320neo (14.07%), Boeing 787-9 Dreamliner (13.07%), and Boeing 737 MAX 8 (9.40%).

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 Airways	PriceFrom £59	Free Cancellation	Rating 6.6 7,235 reviews		Search British Airways flights
Aer Lingus	PriceFrom £72	Free Cancellation	Rating 7.1 1,197 reviews		Search Aer Lingus flights

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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.

An easier way to manage your London Heathrow Airport trip

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Cheap flights from Ireland to London from £38

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 departing on 10/12. 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

Recent return flight deals from Ireland to London

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Aer Lingus flights from Ireland to London Heathrow Airport

Our best Aer Lingus deals on Ireland to London Heathrow Airport flight tickets

British Airways flights from Ireland to London Heathrow Airport

Our best British Airways deals on Ireland to London Heathrow Airport flight tickets

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Use the filters below to find and compare flights from Ireland to London Heathrow Airport that are best for you.

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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 month to fly to London Heathrow Airport?

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

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

What is the cheapest Ireland to London Heathrow flight route?

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

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

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.

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.

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

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

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 88 per day as of August 2025. The most frequent departure time is 07:00, with 46% of daily flights leaving at midday.

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

As of August 2025, 617 flights take off from Ireland and land in London Heathrow Airport each week. The most common flight departure day for this route is Mon, with 18% of weekly flights taking off on this day.

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

If you’re flying from a popular airport in Ireland, such as Cork or Shannon, and flying into London Heathrow Airport, then you can expect flight times to average 1h 15m and 1h 20m, respectively.

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

Fastest flight time

Direct flights

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

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?

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

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

Travelling to a place near London?

Why use momondo?

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

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

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

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

An easier way to manage your London Heathrow Airport 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.

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.

Find better results for your trip to London

Popular Cities in the United Kingdom

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