Find flights
Deals
When to book
Airlines
FAQs
English
Round-trip from | £74 |
---|---|
One-way from | £40 |
Popular in | July |
Cheapest in | January |
Average price | £104 |
Good round-trip deal | £64 or less |
Good one-way deal | £59 or less |
Fly from
Fly to
Route
Depart
Return
Price
DublinLondon
DUB - LHR
DUBLHR
Dublin
수 7/1
10:20-11:55
Nonstop1h 35m
London Heathrow
월 19/1
06:30-07:55
Nonstop1h 25m
KnockLondon
NOC - LHR
NOCLHR
Knock Intl
금 5/9
13:05-14:30
Nonstop1h 25m
London Heathrow
화 9/9
11:05-12:35
Nonstop1h 30m
ShannonLondon
SNN - LHR
SNNLHR
Shannon
목 11/9
21:15-22:40
Nonstop1h 25m
London Heathrow
월 15/9
09:50-11:20
Nonstop1h 30m
CorkLondon
ORK - LHR
ORKLHR
Cork
목 14/8
20:30-21:45
Nonstop1h 15m
London Heathrow
수 20/8
22:25-23:45
Nonstop1h 20m
DublinLondon
DUB - LHR
DUBLHR
Dublin
금 15/8
17:30-18:55
Nonstop1h 25m
London Heathrow
금 22/8
06:20-07:45
Nonstop1h 25m
ShannonLondon
SNN - LHR
SNNLHR
Shannon
월 4/8
21:15-22:40
Nonstop1h 25m
London Heathrow
화 26/8
20:40-13:55
1 stop17h 15m
CorkLondon
ORK - LHR
ORKLHR
Cork
월 4/8
20:30-21:45
Nonstop1h 15m
London Heathrow
금 8/8
22:25-23:45
Nonstop1h 20m
CorkLondon
ORK - LHR
ORKLHR
Cork
화 4/11
11:55-13:15
Nonstop1h 20m
London Heathrow
토 8/11
16:25-23:25
1 stop7h 00m
CorkLondon
ORK - LHR
ORKLHR
Cork
금 12/9
16:50-21:45
1 stop4h 55m
London Heathrow
월 15/9
20:05-13:05
1 stop17h 00m
KnockLondon
NOC - LHR
NOCLHR
Knock Intl
토 16/8
13:05-14:30
Nonstop1h 25m
London Heathrow
화 19/8
11:05-12:35
Nonstop1h 30m
Currently, January is the cheapest month in which you can book a flight from Ireland to London Heathrow Airport (average of £112). Flying from Ireland to London Heathrow Airport in August is currently the most expensive (average of £164). 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.
It’s optimal to fly from Ireland to London Heathrow Airport in the evening. By choosing this option you can save up to 78% on the cost of your flight, compared to a flight in the afternoon.
Travellers seeking maximum savings on their Ireland to London Heathrow Airport flight should consider departing on Friday evenings when fares are most often at their lowest. Sunday afternoons flights should be avoided if possible as fares are typically the most expensive at this time.
The most flights from IE0 to LHR are scheduled on a Thursday (81 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (38 on average).
Food
Crew
Entertainment
Comfort
Overall
Boarding
Reviews
Anonymous,Jun 2025
AMS - BOS
Food
Crew
Entertainment
Comfort
Overall
Boarding
Reviews
Anonymous,Jun 2025
AMS - BOS
Food
Crew
Entertainment
Comfort
Overall
Boarding
Reviews
Anonymous,Jun 2025
AMS - BOS
Food
Crew
Entertainment
Comfort
Overall
Boarding
Reviews
Anonymous,Jun 2025
AMS - BOS
Food
Crew
Entertainment
Comfort
Overall
Boarding
Reviews
Anonymous,Jun 2025
AMS - BOS
Food
Crew
Entertainment
Comfort
Overall
Boarding
Reviews
Anonymous,Jun 2025
AMS - BOS
Cheapflights makes it easy to find Ireland to Heathrow flights by helping our users search from 900+ travel sites for deals. We also provide you with filters for cabin, price, airline, airports, number of stops, and many more to narrow down that perfect flight.
By finding flights from multiple airlines and providers at completely no cost, Cheapflights helps millions of users like you annually find the best flights to Heathrow from Ireland.
Need flexible booking options for your flight to Heathrow from Ireland? Don’t worry, Cheapflights have you covered. Use our search filter to only show flights with no change fees.
Of course! You can now track prices for flights from Ireland to Heathrow and get an alert from Cheapflights when they change. Have a valid email address ready and click the bell icon next to the flight deals above to set up your price alerts.