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Cheap flights from London Heathrow Airport to Ireland from £40

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 30/5. Fares are subject to change and may not be available on all flights or dates of travel. Click the price to replicate the search for this deal.
LHR — DUB
27 Feb — 5 Mar1
1 adult
Tue 27/2
Tue 5/3

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 51 days before your planned departure. Booking around this time can save you about 174% on the cost of this flight compared to booking a flight leaving this week. We have found prices from £58 if you need a flight within two weeks. For flights within the next 72 hours, you can find tickets from as low as £103.

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 £56. You can even find prices in January for less than £56, as users have found deals to Ireland from as low as £16. The month of August 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 26%.

When is the cheapest time to fly from London Heathrow Airport to Ireland (LHR - IE)?

When flying from London Heathrow Airport to Ireland, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

Cheap British Airways flights from Heathrow to Ireland

Explore cheap flight options specifically provided by British Airways for the route between Heathrow and Ireland. Find affordable fares and compare prices with other airlines to secure the best deal for your journey. Over the last 7 days, Cheapflights users made 920,304 searches. Data last updated 23 February 2024.
Find some of the cheapest British Airways flights travelling from London to Ireland. It's recommended that users confirm their flight details before booking.
Fri 8/318:10LHR - DUB
Nonstop1h 25mBritish Airways
Mon 11/307:10DUB - LHR
Nonstop1h 35mBritish Airways
Deal found 21/2£59
Tue 16/421:00LHR - DUB
Nonstop1h 25mBritish Airways
Sat 27/421:10DUB - LHR
Nonstop1h 20mBritish Airways
Deal found 21/2£60
Tue 12/306:45LHR - DUB
Nonstop1h 30mBritish Airways
Thu 21/320:35DUB - LHR
Nonstop1h 15mBritish Airways
Deal found 21/2£61
Wed 6/315:30LHR - DUB
Nonstop1h 25mBritish Airways
Tue 12/309:05DUB - LHR
Nonstop1h 35mBritish Airways
Deal found 20/2£62
Thu 7/306:50LHR - DUB
Nonstop1h 30mBritish Airways
Tue 12/307:10DUB - LHR
Nonstop1h 35mBritish Airways
Deal found 21/2£62
Mon 15/406:50LHR - DUB
Nonstop1h 25mBritish Airways
Tue 30/407:45DUB - LHR
Nonstop1h 25mBritish Airways
Deal found 21/2£63
Tue 27/206:45LHR - DUB
Nonstop1h 30mBritish Airways
Fri 1/320:40DUB - LHR
Nonstop1h 15mBritish Airways
Deal found 21/2£64
Sat 13/421:00LHR - DUB
Nonstop1h 25mBritish Airways
Tue 30/407:45DUB - LHR
Nonstop1h 25mBritish Airways
Deal found 21/2£65
Fri 1/318:25LHR - DUB
Nonstop1h 25mBritish Airways
Fri 15/320:40DUB - LHR
Nonstop1h 15mBritish Airways
Deal found 20/2£66

Cheap KLM flights from Heathrow to Ireland

Explore cheap flight options specifically provided by KLM for the route between Heathrow and Ireland. Find affordable fares and compare prices with other airlines to secure the best deal for your journey. Over the last 7 days, Cheapflights users made 920,304 searches. Data last updated 23 February 2024.
Have a look at some of the cheapest available KLM flights departing from London and landing in Ireland. Ensure the flight price, dates, time, and airline match your criteria before you book.
Wed 20/317:50LHR - DUB
1 stop4h 10mKLM
Wed 27/313:25DUB - LHR
1 stop7h 25mKLM
Deal found 21/2£131
Thu 7/308:40LHR - DUB
1 stop4h 00mKLM
Wed 13/308:50DUB - LHR
1 stop5h 00mKLM
Deal found 21/2£134
Thu 2/506:30LHR - DUB
1 stop3h 55mKLM
Mon 13/505:55DUB - LHR
1 stop4h 50mKLM
Deal found 21/2£140
Tue 23/411:45LHR - DUB
1 stop4h 55mKLM
Wed 1/505:55DUB - LHR
1 stop4h 50mKLM
Deal found 20/2£141
Thu 18/419:15LHR - ORK
1 stop4h 15mKLM
Mon 22/406:15ORK - LHR
1 stop4h 30mKLM
Deal found 22/2£141
Sat 2/306:30LHR - DUB
1 stop6h 10mKLM
Sun 3/305:55DUB - LHR
1 stop4h 50mKLM
Deal found 21/2£149
Sun 3/320:25LHR - DUB
1 stop11h 40mKLM
Thu 7/313:25DUB - LHR
1 stop5h 50mKLM
Deal found 20/2£150
Wed 28/208:40LHR - DUB
1 stop4h 00mKLM
Sun 3/305:55DUB - LHR
1 stop4h 50mKLM
Deal found 22/2£168
Tue 27/208:40LHR - DUB
1 stop4h 00mKLM
Sun 3/305:55DUB - LHR
1 stop4h 50mKLM
Deal found 21/2£171

Cheap Heathrow to Ireland flights in February & March 2024

Find cheap flight options from Heathrow to Ireland specifically for the months of February and March 2024. Explore affordable fares based on user searches. Over the last 7 days, Cheapflights users made 920,304 searches. Prices were last updated on 23 February 2024.
These are some of the best deals we've found on flights to Ireland in 2024 at this time. More deals are always being added, so be sure to check back regularly.
Sat 24/215:20LHR - DUB
Nonstop1h 25mBritish Airways
Tue 27/219:15DUB - LHR
Nonstop1h 15mBritish Airways
Deal found 21/2£65
Fri 1/318:25LHR - DUB
Nonstop1h 25mBritish Airways
Fri 15/320:40DUB - LHR
Nonstop1h 15mBritish Airways
Deal found 20/2£66
Tue 12/318:20LHR - DUB
Nonstop1h 20mBritish Airways
Wed 13/310:40DUB - LHR
Nonstop1h 35mBritish Airways
Deal found 21/2£66
Sat 24/215:20LHR - DUB
Nonstop1h 25mBritish Airways
Tue 27/207:10DUB - LHR
Nonstop1h 35mBritish Airways
Deal found 22/2£67
Sat 2/306:45LHR - DUB
Nonstop1h 30mBritish Airways
Mon 4/309:05DUB - LHR
Nonstop1h 35mBritish Airways
Deal found 22/2£69
Sat 2/306:45LHR - DUB
Nonstop1h 30mBritish Airways
Sun 3/307:05DUB - LHR
Nonstop1h 35mBritish Airways
Deal found 22/2£70
Tue 12/318:20LHR - DUB
Nonstop1h 20mBritish Airways
Thu 14/320:35DUB - LHR
Nonstop1h 15mBritish Airways
Deal found 21/2£70
Sat 24/218:25LHR - DUB
Nonstop1h 25mBritish Airways
Mon 26/215:55DUB - LHR
Nonstop1h 30mBritish Airways
Deal found 21/2£71
Sat 2/306:45LHR - DUB
Nonstop1h 30mBritish Airways
Mon 4/309:05DUB - LHR
Nonstop1h 35mBritish Airways
Deal found 22/2£72

Heathrow to Ireland 2024 flight deals

Discover exclusive flight deals for travel between Heathrow and Ireland in 2024. Find excellent offers based on user searches. Over the last 7 days, Cheapflights users made 920,304 searches. Data last updated 23 February 2024.
These are some of the best deals we've found on flights to Ireland in 2024 at this time. More deals are always being added, so be sure to check back regularly.
Fri 8/1121:15LHR - DUB
Nonstop1h 20mBritish Airways
Sun 10/1107:05DUB - LHR
Nonstop1h 35mBritish Airways
Deal found 21/2£52
Wed 7/806:55LHR - DUB
Nonstop1h 25mBritish Airways
Sat 10/807:30DUB - LHR
Nonstop1h 30mBritish Airways
Deal found 21/2£53
Tue 19/306:45LHR - DUB
Nonstop1h 30mBritish Airways
Wed 27/319:15DUB - LHR
Nonstop1h 15mBritish Airways
Deal found 21/2£54
Wed 4/1218:20LHR - DUB
Nonstop1h 20mBritish Airways
Sat 7/1217:35DUB - LHR
Nonstop1h 30mBritish Airways
Deal found 22/2£55
Wed 11/906:55LHR - DUB
Nonstop1h 25mBritish Airways
Tue 17/907:45DUB - LHR
Nonstop1h 25mBritish Airways
Deal found 21/2£55
Sat 14/921:00LHR - DUB
Nonstop1h 25mBritish Airways
Tue 17/907:45DUB - LHR
Nonstop1h 25mBritish Airways
Deal found 21/2£56
Wed 20/317:00LHR - DUB
Nonstop1h 25mBritish Airways
Wed 27/319:15DUB - LHR
Nonstop1h 15mBritish Airways
Deal found 21/2£57
Tue 1/1006:55LHR - DUB
Nonstop1h 25mBritish Airways
Tue 8/1020:15DUB - LHR
Nonstop1h 20mBritish Airways
Deal found 22/2£58
Sat 9/315:20LHR - DUB
Nonstop1h 25mBritish Airways
Sat 16/316:00DUB - LHR
Nonstop1h 30mBritish Airways
Deal found 21/2£58

Direct flights to Ireland from Heathrow

Discover direct flight options from Heathrow to Ireland. Find direct flights with no stopovers, providing a convenient travel experience. Explore direct flight options based on user searches, and compare prices and availability for your desired travel dates. Over the last 7 days, Cheapflights users made 920,304 searches. Data last updated 23 February 2024.
Consider booking one of these non-stop flights heading from London to Ireland. Those looking to potentially save on 1 or 2-stop flights from London to Ireland should utilise the search form at the top of the page.
Wed 7/806:55LHR - DUB
Nonstop1h 25mBritish Airways
Sat 10/807:30DUB - LHR
Nonstop1h 30mBritish Airways
Deal found 21/2£53
Tue 19/306:45LHR - DUB
Nonstop1h 30mBritish Airways
Wed 27/319:15DUB - LHR
Nonstop1h 15mBritish Airways
Deal found 21/2£54
Wed 20/317:00LHR - DUB
Nonstop1h 25mBritish Airways
Wed 27/319:15DUB - LHR
Nonstop1h 15mBritish Airways
Deal found 21/2£55
Wed 20/317:00LHR - DUB
Nonstop1h 25mBritish Airways
Wed 27/319:15DUB - LHR
Nonstop1h 15mBritish Airways
Deal found 21/2£57
Sat 9/315:20LHR - DUB
Nonstop1h 25mBritish Airways
Sat 16/316:00DUB - LHR
Nonstop1h 30mBritish Airways
Deal found 21/2£58
Fri 8/318:10LHR - DUB
Nonstop1h 25mBritish Airways
Mon 11/307:10DUB - LHR
Nonstop1h 35mBritish Airways
Deal found 21/2£59
Tue 16/421:00LHR - DUB
Nonstop1h 25mBritish Airways
Sat 27/421:10DUB - LHR
Nonstop1h 20mBritish Airways
Deal found 21/2£60
Tue 12/306:45LHR - DUB
Nonstop1h 30mBritish Airways
Thu 21/320:35DUB - LHR
Nonstop1h 15mBritish Airways
Deal found 21/2£61
Wed 6/315:30LHR - DUB
Nonstop1h 25mBritish Airways
Tue 12/309:05DUB - LHR
Nonstop1h 35mBritish Airways
Deal found 20/2£62

Heathrow to Ireland flights leaving soon

Find last-minute flight options from Heathrow to Ireland for spontaneous travel. Discover available flights and compare prices based on user searches. Secure great deals and offers for spontaneous trips with quick booking options. Over the last 7 days, Cheapflights users made 920,304 searches. Data last updated 23 February 2024.
Book one of these great deals on flights from London to Ireland. It's wise to confirm all flight details are correct before booking.
Thu 29/218:20LHR - DUB
Nonstop1h 25mBritish Airways
Tue 5/313:10DUB - LHR
Nonstop1h 30mBritish Airways
Deal found 21/2£61
Tue 27/215:30LHR - DUB
Nonstop1h 25mBritish Airways
Sat 2/317:35DUB - LHR
Nonstop1h 30mBritish Airways
Deal found 21/2£63
Tue 27/206:45LHR - DUB
Nonstop1h 30mBritish Airways
Fri 1/320:40DUB - LHR
Nonstop1h 15mBritish Airways
Deal found 21/2£64
Fri 1/318:25LHR - DUB
Nonstop1h 25mBritish Airways
Fri 15/320:40DUB - LHR
Nonstop1h 15mBritish Airways
Deal found 20/2£66
Fri 1/318:25LHR - DUB
Nonstop1h 25mBritish Airways
Wed 6/315:55DUB - LHR
Nonstop1h 30mBritish Airways
Deal found 21/2£67
Sat 2/306:45LHR - DUB
Nonstop1h 30mBritish Airways
Mon 4/309:05DUB - LHR
Nonstop1h 35mBritish Airways
Deal found 22/2£69
Sat 2/306:45LHR - DUB
Nonstop1h 30mBritish Airways
Sun 3/307:05DUB - LHR
Nonstop1h 35mBritish Airways
Deal found 22/2£70
Wed 28/217:00LHR - DUB
Nonstop1h 25mBritish Airways
Sun 3/307:05DUB - LHR
Nonstop1h 35mBritish Airways
Deal found 22/2£71
Sat 2/306:45LHR - DUB
Nonstop1h 30mBritish Airways
Mon 4/309:05DUB - LHR
Nonstop1h 35mBritish Airways
Deal found 22/2£72

One-way flights to Ireland from Heathrow

Search for one-way flight options from Heathrow to Ireland. Find affordable one-way fares based on user searches. Compare prices and availability to plan your one-way journey according to your preferred dates and budget. Over the last 7 days, Cheapflights users made 920,304 searches. Data last updated 23 February 2024.
Take a look at some of the best available options we've come across on one-way flights from London to Ireland. For those needing a return trip from London, there is a search form available above.
Thu 30/517:45LHR - DUB
Nonstop1h 25mBritish Airways
Deal found 22/2£40
Tue 14/521:00LHR - DUB
Nonstop1h 25mBritish Airways
Deal found 22/2£40
Wed 8/506:55LHR - DUB
Nonstop1h 25mBritish Airways
Deal found 21/2£41
Wed 3/706:55LHR - DUB
Nonstop1h 25mBritish Airways
Deal found 22/2£42
Sat 9/315:20LHR - DUB
Nonstop1h 25mBritish Airways
Deal found 22/2£43
Sat 11/521:00LHR - DUB
Nonstop1h 25mBritish Airways
Deal found 22/2£43
Tue 12/318:20LHR - DUB
Nonstop1h 20mBritish Airways
Deal found 22/2£45
Wed 28/217:00LHR - DUB
Nonstop1h 25mBritish Airways
Deal found 22/2£47
Tue 27/208:25LHR - DUB
Nonstop1h 25mBritish Airways
Deal found 22/2£47

Find flights from Heathrow to Ireland within your budget

Customise your flight search to find flights from Heathrow to Ireland that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 920,304 searches. Data last updated 23 February 2024.

Fly from

Any airport

Fly to

Any airport

Budget

£59 - £164

Route

Depart

Return

Price

London HeathrowDublin

LHR - DUB

LHRDUB

London Heathrow

Fri 8/3

Nonstop1h 25m

Dublin

Mon 11/3

Nonstop1h 35m

£59

London HeathrowDublin

LHR - DUB

LHRDUB

London Heathrow

Tue 16/4

Nonstop1h 25m

Dublin

Sat 27/4

Nonstop1h 20m

£60

London HeathrowDublin

LHR - DUB

LHRDUB

London Heathrow

Tue 12/3

Nonstop1h 30m

Dublin

Thu 21/3

Nonstop1h 15m

£61

London HeathrowDublin

LHR - DUB

LHRDUB

London Heathrow

Wed 6/3

Nonstop1h 25m

Dublin

Tue 12/3

Nonstop1h 35m

£62

London HeathrowDublin

LHR - DUB

LHRDUB

London Heathrow

Mon 18/3

Nonstop1h 30m

Dublin

Tue 19/3

Nonstop1h 15m

£91

London HeathrowKnock Intl

LHR - NOC

LHRNOC

London Heathrow

Wed 6/3

Nonstop1h 30m

Knock Intl

Wed 27/3

Nonstop1h 30m

£100

London HeathrowDublin

LHR - DUB

LHRDUB

London Heathrow

Wed 6/3

1 stop6h 05m

Dublin

Sat 9/3

1 stop4h 55m

£120

London HeathrowDublin

LHR - DUB

LHRDUB

London Heathrow

Wed 20/3

1 stop4h 10m

Dublin

Wed 27/3

1 stop7h 25m

£131

London HeathrowDublin

LHR - DUB

LHRDUB

London Heathrow

Fri 12/4

1 stop5h 05m

Dublin

Sun 21/4

1 stop4h 50m

£164

Flights are sorted by cheapest first

Deals found on 21/2

Reviews of airlines servicing Ireland

Get insights into the airlines that provide service to Ireland. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Ireland. Reviews last updated 23 February 2024.
Read through reviews of airlines operating flights from London to Ireland, such as British Airways, KLM and Aer Lingus. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
7.9
Good
2,268 reviews

Comfort

7.6

Overall

7.9

Crew

8.4

Entertainment

7.3

Food

7.5

Boarding

7.9

Reviews

1 / 10

Was incredibly hot. The entire flight it was as if there was no A..C.

7.9
Good
2,268 reviews
7.9
Good
2,268 reviews

Comfort

7.6

Overall

7.9

Crew

8.4

Entertainment

7.3

Food

7.5

Boarding

7.9

Reviews

1 / 10

Was incredibly hot. The entire flight it was as if there was no A..C.

7.8
Good
1,778 reviews
7.9
Good
2,268 reviews

Comfort

7.6

Overall

7.9

Crew

8.4

Entertainment

7.3

Food

7.5

Boarding

7.9

Reviews

1 / 10

Was incredibly hot. The entire flight it was as if there was no A..C.

7.7
Good
1,164 reviews
7.9
Good
2,268 reviews

Comfort

7.6

Overall

7.9

Crew

8.4

Entertainment

7.3

Food

7.5

Boarding

7.9

Reviews

1 / 10

Was incredibly hot. The entire flight it was as if there was no A..C.

7.6
Good
1,974 reviews
7.9
Good
2,268 reviews

Comfort

7.6

Overall

7.9

Crew

8.4

Entertainment

7.3

Food

7.5

Boarding

7.9

Reviews

1 / 10

Was incredibly hot. The entire flight it was as if there was no A..C.

7.5
Good
1,440 reviews
7.9
Good
2,268 reviews

Comfort

7.6

Overall

7.9

Crew

8.4

Entertainment

7.3

Food

7.5

Boarding

7.9

Reviews

1 / 10