What are the cheapest airlines to fly from London Heathrow Airport to Ireland one-way?

One-way options have recently been found by users for as low as £47 on Aer Lingus. Other airlines that offer cheap prices include British Airways from £48 and Vueling from £55 one-way.

What are the most popular routes from London Heathrow Airport to Ireland?

The most popular flight routes from London Heathrow Airport to Ireland are London Heathrow - Dublin, London Heathrow - Shannon and London Heathrow - Cork.

What are the cheapest flights from London Heathrow Airport to Ireland?

Looking for the cheapest flight from London Heathrow Airport to Ireland? While on average our users pay £418, our data indicates the cheapest price to be £74. The most popular route (London Heathrow - Dublin), is priced around £67.

What are the most reliable airlines from London Heathrow Airport to Ireland?

No one likes to see their flight delayed. When booking a flight from London Heathrow Airport to Ireland consider choosing Kenya Airways (76%), Qatar Airways (76%) or Aer Lingus (74%) as they are the most reliable in getting you off to your destination on time.

What are the most popular airlines that fly from London Heathrow Airport to Ireland?

Before booking your flight from London Heathrow Airport to Ireland check out the most popular airlines for this route: British Airways, Aer Lingus or Ryanair.

What is the cheapest day to fly round-trip from London Heathrow Airport to Ireland?

It’s generally more expensive to depart on a Monday, if you have to leave on this day you can still search on Cheapflights to find great options that meet your needs.

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

To save on the cost of your flight from London Heathrow Airport to Ireland, book at least 31 days before your planned departure. Booking around this time can save you about 162% on the cost of this flight compared to booking a flight leaving this week. We have found prices from £86 if you need a flight within two weeks. For flights within the next 72 hours, you can find tickets from as low as £143.

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

The best pricing can be found in the month of January. Prices to Ireland from London Heathrow Airport average £76. You can even find prices in January for less than £76, as users have found deals to Ireland from as low as £27. The month of December appears to be one of the more expensive times to travel to Ireland from London Heathrow Airport. Flying in the targeted month can save you up to 44%.

Can I find deals for flights from Heathrow to Ireland that include hotel bookings?

Yes. In addition to deals on Heathrow to Ireland flights, Cheapflights offers holiday packages that include both flights and hotel.

How can I find direct flights from Heathrow to Ireland?

After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Heathrow to Ireland.

Can I find deals for business class flights from Heathrow to Ireland?

Yes. Cheapflights offers flight deals from Heathrow to Ireland by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

£454+ Flights from London Heathrow Airport to Ireland

Cheap flight deals from Heathrow to Ireland

Round-trip from	£67
One-way from	£47
Popular in	December
Cheapest in	January
Average price	£65
Good round-trip deal	£106 or less
Good one-way deal	£79 or less

British Airways
7/5-8/5
Nonstop
2h 45m total
London to Ireland

Search Deals

Aer Lingus
29/4
Nonstop
1h 20m total
London to Ireland

Search Deals

Highest demand for flights based on searches. 1% potential increase in price (£0 potential increase over avg. return price).

Search Deals

Cheapest flight prices on average. 4% potential price decrease (£3 potential savings vs. average return price).

Search Deals

Average for round-trip flights in February 2025

Search Deals

Price to beat on a round-trip flight from London Heathrow to Ireland.

Search Deals

Price to beat on a one-way flight from London Heathrow to Ireland.

Search Deals

Find flight deals from Heathrow to Ireland

Cheapest flights from Heathrow to Ireland
Explore the most affordable flight options available from Heathrow to Ireland. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 21 February 2025.

Mon 29/906:20LHR - DUB

Nonstop1h 25mBritish Airways

Tue 7/1020:20DUB - LHR

Nonstop1h 20mBritish Airways

Deal found 21/2£56

Tue 1/419:10LHR - SNN

Nonstop1h 25mAer Lingus

Fri 11/421:15SNN - LHR

Nonstop1h 25mAer Lingus

Deal found 20/2£73

Tue 1/422:25LHR - ORK

Nonstop1h 20mAer Lingus

Tue 22/420:30ORK - LHR

Nonstop1h 15mAer Lingus

Deal found 20/2£78

Wed 2/411:05LHR - NOC

Nonstop1h 30mAer Lingus

Wed 9/413:05NOC - LHR

Nonstop1h 25mAer Lingus

Deal found 20/2£87

Sat 15/320:45LHR - DUB

Nonstop1h 20mMultiple Airlines

Sat 22/317:50DUB - LHR

Nonstop1h 20mMultiple Airlines

Deal found 20/2£106

Fri 21/318:45LHR - DUB

Nonstop1h 20mAer Lingus

Sun 23/306:40DUB - LHR

Nonstop1h 25mAer Lingus

Deal found 20/2£113

Fri 21/322:05LHR - ORK

Nonstop1h 20mMultiple Airlines

Mon 24/319:35ORK - LHR

1 stop18h 50mMultiple Airlines

Deal found 20/2£121

Tue 1/421:35LHR - SNN

1 stop16h 15mMultiple Airlines

Fri 4/421:15SNN - LHR

Nonstop1h 25mMultiple Airlines

Deal found 20/2£130

Tue 9/906:20LHR - KIR

1 stop4h 40mMultiple Airlines

Thu 11/911:25KIR - LHR

1 stop10h 10mMultiple Airlines

Deal found 20/2£138

Sat 22/316:25LHR - DUB

1 stop5h 40mKLM

Fri 28/313:25DUB - LHR

1 stop5h 50mKLM

Deal found 21/2£144

Thu 12/620:05LHR - ORK

1 stop19h 55mSWISS

Tue 17/613:50ORK - LHR

1 stop5h 30mSWISS

Deal found 20/2£160

Sat 1/315:30LHR - NOC

1 stop21h 15mMultiple Airlines

Sat 8/313:00NOC - LHR

Nonstop1h 30mMultiple Airlines

Deal found 20/2£162

Best flights from Heathrow to Ireland
Discover carefully curated flight deals from Heathrow to Ireland that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 21 February 2025.

Wed 7/506:15LHR - DUB

Nonstop1h 25mBritish Airways

Thu 8/520:15DUB - LHR

Nonstop1h 20mBritish Airways

Deal found 19/2£67

Tue 1/419:10LHR - SNN

Nonstop1h 25mAer Lingus

Fri 11/421:15SNN - LHR

Nonstop1h 25mAer Lingus

Deal found 20/2£73

Sat 15/320:45LHR - DUB

Nonstop1h 20mMultiple Airlines

Sat 22/317:50DUB - LHR

Nonstop1h 20mMultiple Airlines

Deal found 20/2£106

Sat 22/316:25LHR - DUB

1 stop5h 40mKLM

Fri 28/313:25DUB - LHR

1 stop5h 50mKLM

Deal found 21/2£144

Tue 1/422:25LHR - ORK

Nonstop1h 20mAer Lingus

Tue 22/420:30ORK - LHR

Nonstop1h 15mAer Lingus

Deal found 20/2£78

Thu 12/620:05LHR - ORK

1 stop19h 55mSWISS

Tue 17/613:50ORK - LHR

1 stop5h 30mSWISS

Deal found 20/2£160

Wed 2/411:05LHR - NOC

Nonstop1h 30mAer Lingus

Wed 9/413:05NOC - LHR

Nonstop1h 25mAer Lingus

Deal found 20/2£87

Mon 4/811:30LHR - ORK

1 stop4h 55mLufthansa

Mon 18/817:10ORK - LHR

1 stop5h 00mLufthansa

Deal found 20/2£202

Fri 21/322:05LHR - ORK

Nonstop1h 20mMultiple Airlines

Mon 24/319:35ORK - LHR

1 stop18h 50mMultiple Airlines

Deal found 20/2£121

Fri 21/318:45LHR - DUB

Nonstop1h 20mAer Lingus

Sun 23/306:40DUB - LHR

Nonstop1h 25mAer Lingus

Deal found 20/2£113

Tue 1/421:35LHR - SNN

1 stop16h 15mMultiple Airlines

Fri 4/421:15SNN - LHR

Nonstop1h 25mMultiple Airlines

Deal found 20/2£130

Thu 3/418:40LHR - DUB

1 stop13h 10mSWISS

Thu 10/413:00DUB - LHR

1 stop6h 20mSWISS

Deal found 20/2£189

Direct flights from Heathrow to Ireland
Explore direct flight options from Heathrow to Ireland based on user searches, and compare prices and availability for your desired travel dates. Data last updated 21 February 2025.

Wed 7/506:15LHR - DUB

Nonstop1h 25mBritish Airways

Thu 8/520:15DUB - LHR

Nonstop1h 20mBritish Airways

Deal found 19/2£67

Tue 1/419:10LHR - SNN

Nonstop1h 25mAer Lingus

Fri 11/421:15SNN - LHR

Nonstop1h 25mAer Lingus

Deal found 20/2£73

Tue 1/422:25LHR - ORK

Nonstop1h 20mAer Lingus

Tue 22/420:30ORK - LHR

Nonstop1h 15mAer Lingus

Deal found 20/2£78

Wed 2/411:05LHR - NOC

Nonstop1h 30mAer Lingus

Wed 9/413:05NOC - LHR

Nonstop1h 25mAer Lingus

Deal found 20/2£87

Sat 15/320:45LHR - DUB

Nonstop1h 20mMultiple Airlines

Sat 22/317:50DUB - LHR

Nonstop1h 20mMultiple Airlines

Deal found 20/2£106

Fri 21/318:45LHR - DUB

Nonstop1h 20mAer Lingus

Sun 23/306:40DUB - LHR

Nonstop1h 25mAer Lingus

Deal found 20/2£113

Thu 8/522:25LHR - ORK

Nonstop1h 20mMultiple Airlines

Sun 11/520:30ORK - LHR

Nonstop1h 15mMultiple Airlines

Deal found 20/2£149

Sat 9/811:05LHR - NOC

Nonstop1h 30mMultiple Airlines

Mon 11/813:05NOC - LHR

Nonstop1h 25mMultiple Airlines

Deal found 20/2£201

Tue 25/318:05LHR - SNN

Nonstop1h 20mBritish Airways

Thu 27/320:05SNN - LHR

Nonstop1h 20mBritish Airways

Deal found 21/2£218

Mon 14/413:50LHR - ORK

Nonstop1h 25mBritish Airways

Wed 16/420:30ORK - LHR

Nonstop1h 15mBritish Airways

Deal found 20/2£224

Fri 23/519:10LHR - SNN

Nonstop1h 25mMultiple Airlines

Mon 26/521:15SNN - LHR

Nonstop1h 25mMultiple Airlines

Deal found 20/2£265

Last-minute flights from Heathrow to Ireland
Discover last-minute flight deals from Heathrow to Ireland. Data last updated 21 February 2025 and is based on user searches.

Wed 26/211:30LHR - DUB

1 stop11h 05mAir France

Wed 5/306:00DUB - LHR

1 stop4h 30mAir France

Deal found 21/2£164

Thu 27/208:50LHR - DUB

Nonstop1h 25mMultiple Airlines

Sat 1/320:35DUB - LHR

Nonstop1h 20mMultiple Airlines

Deal found 20/2£128

Thu 27/209:45LHR - ORK

Nonstop1h 25mMultiple Airlines

Sun 2/311:55ORK - LHR

Nonstop1h 20mMultiple Airlines

Deal found 19/2£178

Thu 27/212:05LHR - DUB

1 stop5h 45mSWISS

Sat 1/318:40DUB - LHR

1 stop16h 35mSWISS

Deal found 20/2£211

Fri 28/222:05LHR - ORK

Nonstop1h 20mAer Lingus

Sat 1/320:10ORK - LHR

Nonstop1h 15mAer Lingus

Deal found 20/2£120

Sat 1/314:15LHR - SNN

Nonstop1h 30mAer Lingus

Mon 3/307:45SNN - LHR

Nonstop1h 30mAer Lingus

Deal found 20/2£94

Sat 1/318:25LHR - DUB

Nonstop1h 20mBritish Airways

Mon 3/313:00DUB - LHR

Nonstop1h 25mBritish Airways

Deal found 20/2£103

Sat 1/311:00LHR - NOC

Nonstop1h 30mAer Lingus

Wed 5/313:00NOC - LHR

Nonstop1h 30mAer Lingus

Deal found 19/2£115

Sat 1/318:45LHR - DUB

Nonstop1h 20mAer Lingus

Sun 2/306:40DUB - LHR

Nonstop1h 25mAer Lingus

Deal found 20/2£120

Sat 1/315:30LHR - NOC

1 stop21h 15mMultiple Airlines

Sat 8/313:00NOC - LHR

Nonstop1h 30mMultiple Airlines

Deal found 20/2£162

Sat 1/314:15LHR - SNN

Nonstop1h 30mBritish Airways

Sun 2/307:45SNN - LHR

Nonstop1h 30mBritish Airways

Deal found 21/2£219

Mon 3/311:45LHR - DUB

1 stop4h 55mKLM

Mon 10/313:25DUB - LHR

1 stop5h 50mKLM

Deal found 20/2£159

One-way flights from Heathrow to Ireland
Search for one-way flight options from Heathrow to Ireland. Find affordable one-way fares based on user searches. Data last updated 21 February 2025.

Tue 29/422:25LHR - ORK

Nonstop1h 20mAer Lingus

Deal found 19/2£47

Thu 10/406:20LHR - DUB

Nonstop1h 25mBritish Airways

Deal found 20/2£48

Sat 1/314:15LHR - SNN

Nonstop1h 30mAer Lingus

Deal found 20/2£49

Wed 26/315:15LHR - DUB

1 stop16h 40mVueling

Deal found 20/2£55

Fri 21/320:45LHR - DUB

Nonstop1h 20mAer Lingus

Deal found 20/2£59

Fri 9/506:45LHR - DUB

1 stop17h 25mMultiple Airlines

Deal found 20/2£76

Sun 16/306:50LHR - ORK

1 stop24h 10mMultiple Airlines

Deal found 20/2£77

Mon 10/311:00LHR - NOC

Nonstop1h 30mAer Lingus

Deal found 19/2£82

Mon 7/421:35LHR - SNN

1 stop16h 20mMultiple Airlines

Deal found 20/2£85

Wed 26/317:50LHR - DUB

1 stop4h 15mKLM

Deal found 21/2£93

Sun 23/321:00LHR - KIR

1 stop17h 20mMultiple Airlines

Deal found 20/2£93

Sat 1/317:00LHR - DUB

1 stop16h 20mScandinavian Airlines

Deal found 20/2£101

Find flights from Heathrow to Ireland within your budget

Fly from

Fly to

Route

Depart

Return

Price

LondonDublin

LHR - DUB

LHRDUB

London Heathrow

Sat 22/3

18:25-19:45

Nonstop1h 20m

Dublin

Mon 24/3

20:30-21:50

Nonstop1h 20m

£80

LondonShannon

LHR - SNN

LHRSNN

London Heathrow

Thu 20/3

18:05-19:25

Nonstop1h 20m

Shannon

Thu 27/3

17:30-18:55

Nonstop1h 25m

£86

LondonKnock

LHR - NOC

LHRNOC

London Heathrow

Wed 2/4

11:05-12:35

Nonstop1h 30m

Knock Intl

Wed 9/4

13:05-14:30

Nonstop1h 25m

£87

LondonCork

LHR - ORK

LHRORK

London Heathrow

Sat 22/3

22:05-23:25

Nonstop1h 20m

Cork

Sat 29/3

20:10-21:25

Nonstop1h 15m

£93

LondonDublin

LHR - DUB

LHRDUB

London Heathrow

Sat 29/3

06:30-07:55

Nonstop1h 25m

Dublin

Sat 19/4

17:00-18:20

Nonstop1h 20m

£103

LondonDublin

LHR - DUB

LHRDUB

London Heathrow

Fri 21/3

18:45-20:05

Nonstop1h 20m

Dublin

Sun 23/3

06:40-08:05

Nonstop1h 25m

£113

LondonCork

LHR - ORK

LHRORK

London Heathrow

Fri 21/3

22:05-23:25

Nonstop1h 20m

Cork

Mon 24/3

19:35-14:25

1 stop18h 50m

£121

LondonShannon

LHR - SNN

LHRSNN

London Heathrow

Tue 1/4

21:35-13:50

1 stop16h 15m

Shannon

Fri 4/4

21:15-22:40

Nonstop1h 25m

£130

LondonDublin

LHR - DUB

LHRDUB

London Heathrow

Sat 22/3

16:25-22:05

1 stop5h 40m

Dublin

Sun 23/3

05:55-10:45

1 stop4h 50m

£144

LondonCork

LHR - ORK

LHRORK

London Heathrow

Thu 12/6

20:05-16:00

1 stop19h 55m

Cork

Tue 17/6

13:50-19:20

1 stop5h 30m

£160

Flights are sorted by cheapest return flights first.

Deals found on 19/2

Showing 1-10 of 49 results

...

Best time to book a flight from Heathrow to Ireland

Have a flexible travel schedule? Discover the best time to fly to Ireland from Heathrow with our price prediction graph.

Estimated return price

Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Travel insights for flights from Heathrow to Ireland

Get recent, data-driven insights about flights from Heathrow to Ireland including ideal travel times, pricing trends, and more.

What is the cheapest month to book a flight from London Heathrow Airport to Ireland?

Currently, January is the cheapest month in which you can book a flight from London Heathrow Airport to Ireland (average of £71). Flying from London Heathrow Airport to Ireland in June is currently the most expensive (average of £104). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

What is the cheapest time of day to fly from LHR to IE?

It’s typically best to fly out from London Heathrow Airport to Ireland in the evening. Doing so could potentially save you 78% on the flight price compared to flying in the morning, which is usually more expensive.

What is the cheapest day to fly from London Heathrow Airport to Ireland?

Travellers seeking maximum savings on their London Heathrow Airport to Ireland flight should consider departing on Tuesday evenings when fares are most often at their lowest. Monday mornings flights should be avoided if possible as fares are typically the most expensive at this time.

Weekly flight availability from London Heathrow Airport to Ireland

The most flights from LHR to IE0 are scheduled on a Friday (68 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (31 on average).

Rainfall in Ireland by month

In terms of precipitation, rainfall in Ireland ranges from 49.0 - 79.0 inches per month. October is typically the wettest month, when rainfall can reach 79.0 mm. February is typically the driest time to visit Ireland when rainfall is around 49.0 mm.

Temperature in Ireland by month

If weather is an important factor for your trip to Ireland, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 16.0 C. Travellers hoping to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 5.0 C).

Reviews of airlines servicing Ireland

Read through reviews of airlines operating flights from London to Ireland, such as Aegean Airlines, KLM and Austrian Airlines. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.

Aegean Airlines

8.1

Very Good

733 reviews

Check prices

Reviews

1 / 20

10.0

Excellent

Anonymous,Nov 2024

SKG - FRA

I am very proud of them. Everything was very nice everything thank you

Aegean Airlines

8.1

Very Good

733 reviews

Aegean Airlines

8.1

Very Good

733 reviews

Check prices

Reviews

1 / 20

10.0

Excellent

Anonymous,Nov 2024

SKG - FRA

I am very proud of them. Everything was very nice everything thank you

KLM

7.8

Good

1,333 reviews

Aegean Airlines

8.1

Very Good

733 reviews

Check prices

Reviews

1 / 20

10.0

Excellent

Anonymous,Nov 2024

SKG - FRA

I am very proud of them. Everything was very nice everything thank you

Austrian Airlines

7.6

Good

773 reviews

Aegean Airlines

8.1

Very Good

733 reviews

Check prices

Reviews

1 / 20

10.0

Excellent

Anonymous,Nov 2024

SKG - FRA

I am very proud of them. Everything was very nice everything thank you

SWISS

7.5

Good

1,568 reviews

Aegean Airlines

8.1

Very Good

733 reviews

Check prices

Reviews

1 / 20

10.0

Excellent

Anonymous,Nov 2024

SKG - FRA

I am very proud of them. Everything was very nice everything thank you

Air France

7.4

Good

1,449 reviews

Aegean Airlines

8.1

Very Good

733 reviews

Check prices

Reviews

1 / 20

10.0

Excellent

Anonymous,Nov 2024

SKG - FRA

I am very proud of them. Everything was very nice everything thank you

Related info for your journey

What are the cheapest airlines to fly from London Heathrow Airport to Ireland one-way?
One-way options have recently been found by users for as low as £47 on Aer Lingus. Other airlines that offer cheap prices include British Airways from £48 and Vueling from £55 one-way.
What are the most popular routes from London Heathrow Airport to Ireland?
The most popular flight routes from London Heathrow Airport to Ireland are London Heathrow - Dublin, London Heathrow - Shannon and London Heathrow - Cork.
What are the most reliable airlines from London Heathrow Airport to Ireland?
No one likes to see their flight delayed. When booking a flight from London Heathrow Airport to Ireland consider choosing Kenya Airways (76%), Qatar Airways (76%) or Aer Lingus (74%) as they are the most reliable in getting you off to your destination on time.
What are the cheapest flights from London Heathrow Airport to Ireland?
Looking for the cheapest flight from London Heathrow Airport to Ireland? While on average our users pay £418, our data indicates the cheapest price to be £74. The most popular route (London Heathrow - Dublin), is priced around £67.
Can I find deals for flights from Heathrow to Ireland that include hotel bookings?
Yes. In addition to deals on Heathrow to Ireland flights, Cheapflights offers holiday packages that include both flights and hotel.
How can I find direct flights from Heathrow to Ireland?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Heathrow to Ireland.
Can I find deals for business class flights from Heathrow to Ireland?
Yes. Cheapflights offers flight deals from Heathrow to Ireland by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.
What is the cheapest month to book a flight from London Heathrow Airport to Ireland?
Currently, January is the cheapest month in which you can book a flight from London Heathrow Airport to Ireland (average of £71). Flying from London Heathrow Airport to Ireland in June is currently the most expensive (average of £104). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Browse thousands of different options on Cheapflights for your next trip

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Top 3 airlines flying from Heathrow to Ireland

Airline	Cheapest	Average	Flexibility	On-time
Ryanair	Cheapest£28	Average£52	FlexibilityNo cancel fee	On-timeN/A	Search Ryanair flights
British Airways	Cheapest£64	Average£182	FlexibilityNo cancel fee	On-time70%	Search British Airways flights
Aer Lingus	Cheapest£83	Average£165	FlexibilityNo cancel fee	On-timeN/A	Search Aer Lingus flights

Fly with Cheapflights

How does Cheapflights help users find flights from Heathrow to Ireland?

Cheapflights goes through 900+ travel sites to look for the best flight deals for flights from Heathrow to Ireland. Too many options? Cheapflights also provides filters for things like airlines, price ranges, and number of stops to help you make a decision easily.

Why should you use Cheapflights to find cheap flight tickets from Heathrow to Ireland?

It’s simple! Cheapflights, which is free to use for everyone, saves millions of users time and money every year by helping them find the cheapest and most suitable flights from Heathrow to Ireland.

Can Cheapflights find flights from Heathrow to Ireland with no change fees?

Cheapflights does show flights with no change fees to all users. To see these options for flights from Heathrow to Ireland, users can toggle the no change fees filter when performing a flight search.

Can Cheapflights notify me if prices for flights from Heathrow to Ireland become cheaper?

Yes! Start tracking prices for Heathrow to Ireland flights today and get alerted whenever prices for these flights change. To access this feature, click the bell icon next to the flight deals above, which will prompt you for a valid email address to receive your alerts.

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Cheap flights from London Heathrow Airport to Ireland from £47

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 29/4. Fares are subject to change and may not be available on all flights or dates of travel.

Cheap flight deals from Heathrow to Ireland

Keep the following information in mind while searching for Heathrow to Ireland flight deals. Data was last updated 21 February 2025.

Round-trip from

One-way from

Popular in

Cheapest in

Average price

Good round-trip deal

Good one-way deal

Find flight deals from Heathrow to Ireland

Cheapest flights from Heathrow to IrelandExplore the most affordable flight options available from Heathrow to Ireland. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 21 February 2025.

Explore the most affordable flight options available from Heathrow to Ireland. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 21 February 2025.

Find flights from Heathrow to Ireland within your budget

Best time to book a flight from Heathrow to Ireland

Have a flexible travel schedule? Discover the best time to fly to Ireland from Heathrow with our price prediction graph.

Travel insights for flights from Heathrow to Ireland

Get recent, data-driven insights about flights from Heathrow to Ireland including ideal travel times, pricing trends, and more.

What is the cheapest month to book a flight from London Heathrow Airport to Ireland?

What is the cheapest time of day to fly from LHR to IE?

Find hourly flight availability from Heathrow to Ireland. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 21 February 2025.

What is the cheapest day to fly from London Heathrow Airport to Ireland?

Use this chart to determine the cheapest time to fly return from Heathrow to Ireland. Price data was last updated on 16 December 2024.

Weekly flight availability from London Heathrow Airport to Ireland

Explore weekly flight availability from Heathrow to Ireland. Discover flights operating on different days of the week, giving you the flexibility to choose a travel day that best fits your plans. Compare info to find the most convenient option for your journey. Data last updated 21 February 2025.

Rainfall in Ireland by month

Plan your trip to Ireland by taking into account the average rainfall totals by month.

Temperature in Ireland by month

Plan your trip to Ireland by taking into account the average temperature totals by month.

Reviews of airlines servicing Ireland

Read through reviews of airlines operating flights from London to Ireland, such as Aegean Airlines, KLM and Austrian Airlines. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.

Related info for your journey

Find useful and relevant information for your journey from Heathrow to Ireland. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

What are the cheapest airlines to fly from London Heathrow Airport to Ireland one-way?

What are the most popular routes from London Heathrow Airport to Ireland?

What are the most reliable airlines from London Heathrow Airport to Ireland?

What are the cheapest flights from London Heathrow Airport to Ireland?

Can I find deals for flights from Heathrow to Ireland that include hotel bookings?

How can I find direct flights from Heathrow to Ireland?

Can I find deals for business class flights from Heathrow to Ireland?

What is the cheapest month to book a flight from London Heathrow Airport to Ireland?

Browse thousands of different options on Cheapflights for your next trip

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Alternative routes for Heathrow to Ireland

See prices for flight routes from nearby airports that may be better suited for you.

Top 3 airlines flying from Heathrow to Ireland

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Cheapest flights from Heathrow to Ireland
Explore the most affordable flight options available from Heathrow to Ireland. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 21 February 2025.