London Heathrow (LHR)Dublin (DUB)
- non-stop flights:
- 18–22 per day
- flight duration:
- at least
direct flight availability- Mon
- Tue
- Wed
- Thu
- Fri
- Sat
- Sun
airlinesfrom £81number of non-stop flights per airline and day of the week Mon Tue Wed Thu Fri Sat Sun 
14 13 13–14 14–15 14 14 12 
6 6 7 7 6–7 5 6 London Heathrow (LHR)Cork (ORK)
- non-stop flights:
- 4 per day
- flight duration:
- at least
direct flight availability- Mon
- Tue
- Wed
- Thu
- Fri
- Sat
- Sun
airlinesfrom £145number of non-stop flights per airline and day of the week Mon Tue Wed Thu Fri Sat Sun 
4 4 4 4 4 4 4 London Heathrow (LHR)Shannon (SNN)
- non-stop flights:
- 2–3 per day
- flight duration:
- at least
direct flight availability- Mon
- Tue
- Wed
- Thu
- Fri
- Sat
- Sun
airlinesfrom £125number of non-stop flights per airline and day of the week Mon Tue Wed Thu Fri Sat Sun 
3 3 3 3 3 2 3