Find flights
Deals
When to book
Airlines
FAQs
English
Round-trip from | £78 |
---|---|
One-way from | £35 |
Popular in | August |
Cheapest in | February |
Average price | £121 |
Fly from
Fly to
Route
Depart
Return
Price
ShannonLondon
SNN - LHR
SNNLHR
Shannon
Fri 10/10
21:15-22:40
Nonstop1h 25m
London Heathrow
Mon 13/10
19:10-20:35
Nonstop1h 25m
ShannonLondon
SNN - LHR
SNNLHR
Shannon
Thu 2/10
21:15-22:40
Nonstop1h 25m
London Heathrow
Sun 5/10
09:50-11:20
Nonstop1h 30m
ShannonLondon
SNN - LHR
SNNLHR
Shannon
Wed 15/10
21:15-22:40
Nonstop1h 25m
London Heathrow
Thu 16/10
14:40-16:10
Nonstop1h 30m
ShannonLondon
SNN - LHR
SNNLHR
Shannon
Thu 16/10
21:15-22:40
Nonstop1h 25m
London Heathrow
Sat 18/10
14:20-15:50
Nonstop1h 30m
ShannonLondon
SNN - LHR
SNNLHR
Shannon
Sat 8/11
17:25-18:50
Nonstop1h 25m
London Heathrow
Sat 15/11
10:00-11:30
Nonstop1h 30m
ShannonLondon
SNN - LHR
SNNLHR
Shannon
Sun 26/10
20:05-21:25
Nonstop1h 20m
London Heathrow
Sun 2/11
18:05-19:25
Nonstop1h 20m
ShannonLondon
SNN - LHR
SNNLHR
Shannon
Fri 14/11
20:05-21:25
Nonstop1h 20m
London Heathrow
Sun 16/11
10:00-11:30
Nonstop1h 30m
ShannonLondon
SNN - LHR
SNNLHR
Shannon
Sat 22/11
17:25-18:50
Nonstop1h 25m
London Heathrow
Sun 23/11
10:00-11:30
Nonstop1h 30m
ShannonLondon
SNN - LHR
SNNLHR
Shannon
Sat 18/10
07:40-09:05
Nonstop1h 25m
London Heathrow
Sat 18/10
14:20-15:50
Nonstop1h 30m
ShannonLondon
SNN - LHR
SNNLHR
Shannon
Sat 25/10
16:50-18:20
Nonstop1h 30m
London Heathrow
Sat 1/11
10:00-11:30
Nonstop1h 30m
Currently, January is the cheapest month in which you can book a flight from Galway to London Heathrow Airport (average of £112). Flying from Galway 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.
Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Galway to London Heathrow Airport as you normally would.
Travellers seeking maximum savings on their Galway to London Heathrow Airport flight should consider departing on Tuesday afternoons when fares are most often at their lowest. Monday mornings flights should be avoided if possible as fares are typically the most expensive at this time.
The most flights from G4W to LHR are scheduled on a Monday (12 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (5 on average).
Entertainment
Food
Boarding
Comfort
Overall
Crew
Reviews
Anonymous,Jul 2025
DUB - ORD
Entertainment
Food
Boarding
Comfort
Overall
Crew
Reviews
Anonymous,Jul 2025
DUB - ORD
Cheapflights helps you search for flights from Galway to Heathrow via 900+ travel sites so you don’t have to. After performing a flight search, users can also filter their flight selection by filtering for price, number of stops, airlines, and so on.
It’s simple! Cheapflights, which is free to use for everyone, saves millions of users time and money every year by helping them find the cheapest and most suitable flights from Galway to Heathrow.
Yes! Cheapflights helps users easily find flights from Galway to Heathrow with no change fees.
Yes, Cheapflights has a feature called Price Alert, which notifies users when flight prices change. Track prices for your flight to Heathrow from Galway today and book when prices fit your budget.