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Cheap flights from London Heathrow Airport to Ireland from £34

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 1/2. Fares are subject to change and may not be available on all flights or dates of travel.
LHR — DUB
12 Nov — 19 Nov1
1 adult

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 899,145 searches. Data last updated 7 November 2024.

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Route

Depart

Return

Price

LondonDublin

LHR - DUB

LHRDUB

London Heathrow

Sat 1/2

18:25-19:45

Nonstop1h 20m

£34

LondonShannon

LHR - SNN

LHRSNN

London Heathrow

Sun 8/12

10:00-11:30

Nonstop1h 30m

£43

LondonDublin

LHR - DUB

LHRDUB

London Heathrow

Fri 17/1

15:15-09:05

1 stop17h 50m

£64

LondonDublin

LHR - DUB

LHRDUB

London Heathrow

Fri 3/1

07:05-23:55

1 stop16h 50m

£67

LondonDublin

LHR - DUB

LHRDUB

London Heathrow

Sun 26/1

14:05-22:05

1 stop8h 00m

£92

LondonKnock

LHR - NOC

LHRNOC

London Heathrow

Sat 23/11

11:00-12:30

Nonstop1h 30m

£49

LondonDublin

LHR - DUB

LHRDUB

London Heathrow

Tue 26/11

06:40-11:40

1 stop5h 00m

£101

LondonDublin

LHR - DUB

LHRDUB

London Heathrow

Fri 17/1

10:00-22:10

1 stop12h 10m

£103

LondonDublin

LHR - DUB

LHRDUB

London Heathrow

Wed 26/3

07:00-14:20

1 stop7h 20m

£113

LondonDublin

LHR - DUB

LHRDUB

London Heathrow

Wed 27/11

06:20-15:40

1 stop9h 20m

£142

Flights are sorted by cheapest first

Deals found on 6/11

Showing 1-10 of 44 results
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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 7 November 2024.

Sat 16/1113:40LHR - DUB
Nonstop1h 25mBritish Airways
Mon 18/1120:30DUB - LHR
Nonstop1h 20mBritish Airways
Deal found 5/11£60
Tue 3/1220:45LHR - DUB
Nonstop1h 20mMultiple Airlines
Tue 10/1220:30DUB - LHR
Nonstop1h 20mMultiple Airlines
Deal found 5/11£92
Sat 23/1111:00LHR - NOC
Nonstop1h 30mAer Lingus
Mon 25/1113:00NOC - LHR
Nonstop1h 30mAer Lingus
Deal found 6/11£95
Thu 14/1115:20LHR - SNN
Nonstop1h 25mAer Lingus
Mon 18/1120:05SNN - LHR
Nonstop1h 20mAer Lingus
Deal found 6/11£95
Tue 12/1122:05LHR - ORK
Nonstop1h 20mAer Lingus
Sat 16/1120:10ORK - LHR
Nonstop1h 15mAer Lingus
Deal found 5/11£120
Sat 23/1117:45LHR - DUB
Nonstop1h 20mAer Lingus
Mon 25/1119:45DUB - LHR
Nonstop1h 15mAer Lingus
Deal found 6/11£120
Sat 16/1116:00LHR - SNN
1 stop4h 00mMultiple Airlines
Sun 17/1107:45SNN - LHR
Nonstop1h 30mMultiple Airlines
Deal found 5/11£130
Tue 12/1112:05LHR - DUB
1 stop5h 45mSWISS
Tue 19/1118:40DUB - LHR
1 stop13h 25mSWISS
Deal found 5/11£137
Fri 6/1211:00LHR - NOC
Nonstop1h 30mMultiple Airlines
Mon 16/1217:10NOC - LHR
1 stop3h 35mMultiple Airlines
Deal found 6/11£141
Sat 7/1206:30LHR - DUB
1 stop6h 10mKLM
Sun 8/1205:55DUB - LHR
1 stop4h 50mKLM
Deal found 5/11£146
Thu 21/1106:30LHR - ORK
1 stop6h 25mKLM
Sun 24/1106:00ORK - LHR
1 stop6h 05mKLM
Deal found 5/11£158
Sun 8/1208:25LHR - CFN
1 stop4h 25mMultiple Airlines
Tue 10/1213:15CFN - LHR
1 stop8h 35mMultiple Airlines
Deal found 5/11£159

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 £64). Flying from London Heathrow Airport to Ireland in May is currently the most expensive (average of £98). 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?

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 7 November 2024.

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.

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 7 November 2024.

The most flights from LHR to IE0 are scheduled on a Monday (58 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (39 on average).

Rainfall in Ireland by month

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