Cheap flights from Ireland to Heathrow

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How to find the cheapest flight from
Ireland to Heathrow (LHR)

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

Users have found that booking a flight from Ireland to Heathrow at least 58 days early can save you up to 37% on average compared to booking a flight this week. If booking 58 days before your flight isn’t an option for you, users have found flights from Ireland to Heathrow for as little as £82 when booking for a departure date within the next two weeks. You can also check prices now. Some users have found airline tickets as low as £99 for flights departing within the next 3 days.

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

The best pricing can be found in the month of March. Prices to Heathrow from Ireland average £75. You can even find prices in March for less than £75, as users have found deals to Heathrow from as low as £47. The month of December appears to be one of the more expensive times to travel to Heathrow from Ireland. Flying in the targeted month can save you up to 9%.

Cheap flights from Ireland to Heathrow in April, May 2021

23 Apr - 25 Apr
£66pp
DUB
Dublin
British Airways
Direct
LHR
London Heathrow
LHR
London Heathrow
British Airways
Direct
DUB
Dublin
23 Apr - 25 Apr
£68pp
DUB
Dublin
British Airways
Direct
LHR
London Heathrow
LHR
London Heathrow
British Airways
Direct
DUB
Dublin
16 Apr - 23 Apr
£69pp
DUB
Dublin
British Airways
Direct
LHR
London Heathrow
LHR
London Heathrow
British Airways
Direct
DUB
Dublin

Ireland to Heathrow 2021 flight deals

20 Dec - 31 Dec
£50pp
DUB
Dublin
British Airways
Direct
LHR
London Heathrow
LHR
London Heathrow
British Airways
Direct
DUB
Dublin
21 Dec - 30 Dec
£50pp
DUB
Dublin
British Airways
Direct
LHR
London Heathrow
LHR
London Heathrow
British Airways
Direct
DUB
Dublin
21 Oct - 21 Oct
£53pp
DUB
Dublin
British Airways
Direct
LHR
London Heathrow
LHR
London Heathrow
British Airways
Direct
DUB
Dublin

Direct flights to Heathrow from Ireland

15 Jun - 22 Jun
£53pp
DUB
Dublin
British Airways
Direct
LHR
London Heathrow
LHR
London Heathrow
British Airways
Direct
DUB
Dublin
7 Jun - 24 Jun
£58pp
DUB
Dublin
British Airways
Direct
LHR
London Heathrow
LHR
London Heathrow
British Airways
Direct
DUB
Dublin
17 Jul - 24 Jul
£60pp
DUB
Dublin
British Airways
Direct
LHR
London Heathrow
LHR
London Heathrow
British Airways
Direct
DUB
Dublin

Last-minute flights from Ireland to Heathrow

18 Apr - 23 Apr
£98pp
DUB
Dublin
British Airways
Direct
LHR
London Heathrow
LHR
London Heathrow
British Airways
Direct
DUB
Dublin
19 Apr - 2 May
£124pp
DUB
Dublin
Multiple airlines
Direct
LHR
London Heathrow
LHR
London Heathrow
Blue Air
 
1 STOP
DUB
Dublin
19 Apr - 2 May
£132pp
DUB
Dublin
Multiple airlines
Direct
LHR
London Heathrow
LHR
London Heathrow
British Airways
Direct
DUB
Dublin

One-way flights to Heathrow from Ireland

06:45 - 08:15
British Airways
Direct
1h 30m
DUB - LHR
British Airways
£46
Travel2Be
04:25 - 15:35
Multiple Airlines
1 stop
11h 10m
DUB - LHR
Multiple Airlines
£49
Gotogate
06:40 - 18:55
TAP AIR PORTUGAL
1 stop
12h 15m
DUB - LHR
TAP AIR PORTUGAL
£56
mytrip.com

Related info for your journey

Flight FAQs

From Ireland to Heathrow

Are flight prices decreasing from Ireland to Heathrow due to COVID-19 (coronavirus)?

At this time, Cheapflights has noticed price decreases for many domestic flights due to COVID-19. Travel is not necessarily recommended at this time, and flights may be prone to cancellation: please check with local authorities in both Ireland and Heathrow for travel alerts, and be sure to review the airline's cancellation policy and travel advisories before booking. For more information, please view our post on what to know about COVID-19 (coronavirus) and travel.

Which airlines flying from Ireland to London Heathrow have flexible cancellations due to COVID-19?

British Airways, Aer Lingus, and Ryanair are some of the carriers that may have flexible cancellation policies. You can use our site to filter for other airlines that may also have this kind of flexibility.

Can I find flights from Ireland to Heathrow for under £73 on Cheapflights?

Yes, there are multiple flights from Ireland to Heathrow for under £73. The cheapest flight booked recently is on British Airways for just £53, but on average you can expect to pay £71.

Are there direct flights from Ireland to Heathrow for under £73 on Cheapflights?

Cheapflights has 20 direct flights from Ireland to Heathrow under £73. A good price for a direct flight from Ireland to Heathrow is less than £84.

Are there last-minute flights available from Ireland to Heathrow for under £146?

There are currently 20+ open flights from Ireland to Heathrow within the next 7 days for less than £146.

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

When booking a flight from Ireland to Heathrow, you may want to consider flying on British Airways, Aer Lingus or Eurowings as they are the most popular for this route.

What are the most popular routes from Ireland to Heathrow?

When deciding which route to take from Ireland to Heathrow, consider Dublin - London Heathrow, Cork - London Heathrow or Milltown (Kerry) Kerry - London Heathrow, as they are the most popular.

What are the cheapest flights from Ireland to Heathrow?

The cheapest flight price from Ireland to Heathrow is £28. On average you can expect to pay £99. The most popular route, (Dublin - London Heathrow), can usually be booked for £53.

What are the most reliable airlines from Ireland to Heathrow?

No one likes to see their flight delayed. When booking a flight from Ireland to Heathrow consider choosing American Airlines(67%), Qatar Airways(67%) or Aer Lingus(67%), as they are the most reliable in getting you off to your destination on time.

How long does is the flight from Ireland to Heathrow?

Departing from Ireland to Heathrow will take you 1h 20m. Most flights are nonstop.

What are the cheapest airlines to flying from Ireland to Heathrow return?

Flying on British Airways is currently your cheapest option to Heathrow, with prices starting at £53. Additional return tickets that might be worth considering are offered by Blue Air and Lufthansa, with the lowest prices starting at £79 and £80, respectively.

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

To fly one-way, consider booking your trip with British Airways, which is currently one of the cheapest options available, starting at £15. Aer Lingus flights start at £36 while deals on KLM start at £45 one-way.

Departure points for flights from Ireland to Heathrow

Destination information for Heathrow

Today's exchange rate
£1 = £1.00
Flight duration
1h 29m
Average temperature for April in Heathrow
14.0 °C
Avg rainfall for April in Heathrow
48.0 mm

Airports servicing

Dublin (DUB)
Galway (GWY)
Knock (NOC)
Cork (ORK)
Shannon (SNN)

Airports servicing London

Top 3 airlines flying from Ireland to Heathrow

Airline Cheapest Average Flexibility On-time COVID-19 safety
Ryanair
£42 £60 No cancel fee N/A
Search Ryanair flights
British Airways
£84 £131 No cancel fee 70%
Search British Airways flights
Aer Lingus
£100 £183 No cancel fee N/A
Search Aer Lingus flights
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