Cheap flights from Ireland to Heathrow

DUB — LHR
30 May — 6 Jun1
Return
1 adult
Economy
From?
To?
Mon 30/5
Mon 6/6

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

Users have found that booking a flight from Ireland to London Heathrow Airport at least 54 days early can save you up to 97% on average compared to booking a flight this week. If booking 54 days before your flight isn’t an option for you, users have found flights from Ireland to London Heathrow Airport for as little as £89 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 £118 for flights departing within the next 3 days.

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

The best pricing can be found in the month of August. Prices to London Heathrow Airport from Ireland average £71. You can even find prices in August for less than £71, as users have found deals to London Heathrow Airport from as low as £28. The month of December appears to be one of the more expensive times to travel to London Heathrow Airport from Ireland. Flying in the targeted month can save you up to 26%.

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

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

Cheap flights from Ireland to Heathrow in May, June 2022

The best prices found for Ireland to LHR flights in May, June
14 Jun - 21 Jun
DUB

Dublin

LHR

London Heathrow

Nonstop

1h 40m
LHR

London Heathrow

DUB

Dublin

Nonstop

1h 25m
£53

British Airways

View Deal

Deal found 24/5/22

14 Jun - 21 Jun
DUB

Dublin

LHR

London Heathrow

Nonstop

1h 40m
LHR

London Heathrow

DUB

Dublin

Nonstop

1h 25m
£54

British Airways

View Deal

Deal found 25/5/22

7 Jun - 14 Jun
DUB

Dublin

LHR

London Heathrow

Nonstop

1h 30m
LHR

London Heathrow

DUB

Dublin

Nonstop

1h 30m
£57

British Airways

View Deal

Deal found 25/5/22

Ireland to Heathrow 2022 flight deals

Cheap flights to Heathrow from Ireland found for this year
7 Nov - 14 Nov
DUB

Dublin

LHR

London Heathrow

Nonstop

1h 20m
LHR

London Heathrow

DUB

Dublin

Nonstop

1h 20m
£41

British Airways

View Deal

Deal found 25/5/22

29 Nov - 1 Dec
DUB

Dublin

LHR

London Heathrow

Nonstop

1h 20m
LHR

London Heathrow

DUB

Dublin

Nonstop

1h 20m
£44

British Airways

View Deal

Deal found 23/5/22

22 Nov - 24 Nov
DUB

Dublin

LHR

London Heathrow

Nonstop

1h 15m
LHR

London Heathrow

DUB

Dublin

Nonstop

1h 20m
£45

British Airways

View Deal

Deal found 24/5/22

Cheap British Airways flights from Ireland to Heathrow

7 Nov - 14 Nov
DUB

Dublin

LHR

London Heathrow

Nonstop

1h 20m
LHR

London Heathrow

DUB

Dublin

Nonstop

1h 20m
£41

British Airways

View Deal

Deal found 25/5/22

14 Sep - 19 Sep
DUB

Dublin

LHR

London Heathrow

Nonstop

1h 40m
LHR

London Heathrow

DUB

Dublin

Nonstop

1h 25m
£46

British Airways

View Deal

Deal found 24/5/22

6 Nov - 14 Nov
DUB

Dublin

LHR

London Heathrow

Nonstop

1h 15m
LHR

London Heathrow

DUB

Dublin

Nonstop

1h 20m
£47

British Airways

View Deal

Deal found 25/5/22

Cheap Aer Lingus flights from Ireland to Heathrow

18 Aug - 27 Aug
ORK

Cork

LHR

London Heathrow

Nonstop

1h 20m
LHR

London Heathrow

ORK

Cork

Nonstop

1h 25m
£77

Aer Lingus

View Deal

Deal found 24/5/22

8 Jun - 15 Jun
SNN

Shannon

LHR

London Heathrow

Nonstop

1h 10m
LHR

London Heathrow

SNN

Shannon

Nonstop

1h 30m
£80

Aer Lingus

View Deal

Deal found 25/5/22

21 Jul - 23 Jul
ORK

Cork

LHR

London Heathrow

Nonstop

1h 20m
LHR

London Heathrow

ORK

Cork

Nonstop

1h 25m
£81

Aer Lingus

View Deal

Deal found 24/5/22

Direct flights to Heathrow from Ireland

Save time with Ireland to Heathrow direct flight deals
7 Nov - 14 Nov
DUB

Dublin

LHR

London Heathrow

Nonstop

1h 20m
LHR

London Heathrow

DUB

Dublin

Nonstop

1h 20m
£41

British Airways

View Deal

Deal found 25/5/22

14 Sep - 19 Sep
DUB

Dublin

LHR

London Heathrow

Nonstop

1h 40m
LHR

London Heathrow

DUB

Dublin

Nonstop

1h 25m
£46

British Airways

View Deal

Deal found 24/5/22

6 Nov - 14 Nov
DUB

Dublin

LHR

London Heathrow

Nonstop

1h 15m
LHR

London Heathrow

DUB

Dublin

Nonstop

1h 20m
£47

British Airways

View Deal

Deal found 25/5/22

Last-minute flights from Ireland to Heathrow

Late deals on return flights to Heathrow from Ireland, departing today and this week
30 May - 22 Jun
DUB

Dublin

LHR

London Heathrow

Nonstop

1h 35m
LHR

London Heathrow

DUB

Dublin

Nonstop

1h 25m
£65

British Airways

View Deal

Deal found 23/5/22

30 May - 29 Jun
DUB

Dublin

LHR

London Heathrow

Nonstop

1h 35m
LHR

London Heathrow

DUB

Dublin

Nonstop

1h 25m
£70

British Airways

View Deal

Deal found 23/5/22

30 May - 22 Jun
DUB

Dublin

LHR

London Heathrow

Nonstop

1h 35m
LHR

London Heathrow

DUB

Dublin

Nonstop

1h 25m
£76

British Airways

View Deal

Deal found 25/5/22

One-way flights to London Heathrow from Ireland

The cheapest one-way flights from Ireland to Heathrow
14 Jun
DUB

Dublin

LHR

London Heathrow

Nonstop

1h 40m
£10

British Airways

View Deal

Deal found 25/5/22

10 Aug
DUB

Dublin

LHR

London Heathrow

Nonstop

1h 40m
£13

British Airways

View Deal

Deal found 24/5/22

4 Oct
DUB

Dublin

LHR

London Heathrow

Nonstop

1h 20m
£14

British Airways

View Deal

Deal found 23/5/22

Related info for your journey

Useful info, stats and facts about Ireland to Heathrow flights.

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

British Airways, Aer Lingus, and Lufthansa 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 London Heathrow Airport for under £100 on Cheapflights?

Yes, there are multiple flights from Ireland to London Heathrow Airport for under £100. The cheapest flight booked recently is on British Airways for just £41, but on average you can expect to pay £53.

Are there nonstop flights from Ireland to London Heathrow Airport for under £100 on Cheapflights?

Cheapflights has at least 20 direct flights from Ireland to London Heathrow Airport under £100. A good price for a nonstop flight from Ireland to London Heathrow Airport is less than £53.

Are there last-minute flights available from Ireland to London Heathrow Airport for under £100?

There are currently 20+ open flights from Ireland to London Heathrow Airport within the next 7 days for less than £100.

What days are nonstop flights available from Ireland to London Heathrow Airport?

Nonstop flights are available for this route on the following days: Sunday, Friday, Saturday.

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

5 flight departures from Ireland to London Heathrow Airport per day on average.
Afternoon (Noon - 6pm) - 80% of flight departures
Evening (6pm - Midnight) - 20% of flight departures

How long is the flight from Ireland to London Heathrow Airport?

A quick flight from Ireland to London Heathrow Airport can take about 1h 20m. British Airways provides one of the quickest options available for as low as £41. Airlines will cover a distance of 281 mi. Generally, flights for this route are nonstop.

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

Most travelers choose Dublin - London Heathrow, Cork - London Heathrow or Shannon - London Heathrow when deciding on the best route from Ireland to London Heathrow Airport.

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

Consider British Airways, Aer Lingus or Eurowings when booking your flight. These represent the most popular airlines when flying from Ireland to London Heathrow Airport.

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

Looking for the most reliable airlines to get you to your destination on time? Our data shows these are most likely to get you from Ireland to London Heathrow Airport on time: Qatar Airways (62%), Kenya Airways (55%), Aer Lingus (50%).

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

On average you can expect to pay £75 for a flight from Ireland to London Heathrow Airport. The cheapest flight overall is £20 while the most popular route, (Dublin - London Heathrow) is currently priced at £44.

Departure points for flights from Ireland to Heathrow

Select to see more specific information for flights to Heathrow from all departure points in Ireland

Top 2 airlines flying from Ireland to Heathrow

The chart below displays the airlines Cheapflights users travelling from Ireland to Heathrow choose most often. Cheapest and average prices are based on aggregated data from the past 12 months.
AirlineCheapestAverageFlexibilityOn-timeCOVID-19 safety
British AirwaysCheapest£49Average£81FlexibilityNo cancel feeOn-time70%COVID-19 safety
Search British Airways flights
Aer LingusCheapest£78Average£133FlexibilityNo cancel feeOn-timeN/ACOVID-19 safety
Search Aer Lingus flights

Hourly flight availability from Ireland to Heathrow

See what time of day planes typically take off from Ireland to Heathrow
11%of flight departuresEarly morningMidnight to 6 am
55%of flight departuresMorning6 am to noon
25%of flight departuresAfternoonNoon to 6 pm
9%of flight departuresEvening6 pm to midnight
Midnight
6 AM
Noon
6 PM