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Round-trip from | £96 |
---|---|
One-way from | £51 |
Popular in | August |
Cheapest in | February |
Average price | £143 |
Good one-way deal | £42 or less |
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Route
Depart
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Price
ShannonLondon
SNN - LHR
SNNLHR
Shannon
Thu 4/12
20:05-21:25
Nonstop1h 20m
London Heathrow
Thu 11/12
15:15-16:45
Nonstop1h 30m
ShannonLondon
SNN - LHR
SNNLHR
Shannon
Fri 7/11
20:05-21:25
Nonstop1h 20m
London Heathrow
Sun 9/11
10:00-11:30
Nonstop1h 30m
ShannonLondon
SNN - LHR
SNNLHR
Shannon
Mon 1/12
20:05-21:25
Nonstop1h 20m
London Heathrow
Mon 8/12
10:00-11:30
Nonstop1h 30m
ShannonLondon
SNN - LHR
SNNLHR
Shannon
Wed 5/11
20:05-21:25
Nonstop1h 20m
London Heathrow
Mon 10/11
18:05-19:25
Nonstop1h 20m
ShannonLondon
SNN - LHR
SNNLHR
Shannon
Fri 31/10
20:05-21:25
Nonstop1h 20m
London Heathrow
Sun 2/11
10:00-11:30
Nonstop1h 30m
ShannonLondon
SNN - LHR
SNNLHR
Shannon
Sat 3/1
07:50-09:15
Nonstop1h 25m
London Heathrow
Tue 6/1
15:15-16:45
Nonstop1h 30m
ShannonLondon
SNN - LHR
SNNLHR
Shannon
Sun 23/11
07:50-09:15
Nonstop1h 25m
London Heathrow
Sun 30/11
10:00-11:30
Nonstop1h 30m
ShannonLondon
SNN - LHR
SNNLHR
Shannon
Sun 30/11
17:30-18:55
Nonstop1h 25m
London Heathrow
Thu 4/12
15:15-16:45
Nonstop1h 30m
ShannonLondon
SNN - LHR
SNNLHR
Shannon
Tue 4/11
17:30-18:55
Nonstop1h 25m
London Heathrow
Tue 11/11
10:00-11:30
Nonstop1h 30m
ShannonLondon
SNN - LHR
SNNLHR
Shannon
Thu 1/1
17:30-18:55
Nonstop1h 25m
London Heathrow
Mon 5/1
18:05-19:25
Nonstop1h 20m
Currently, February is the cheapest month in which you can book a flight from Shannon, Clare to London Heathrow Airport (average of £31). Flying from Shannon, Clare to London Heathrow Airport in August is currently the most expensive (average of £113). 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.
When flying from Shannon, Clare 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.
About 20% of weekly flights between Shannon and London have experienced delays in the past year, with the average delay time being 96 minutes.
Historically, flights departing at night are less likely to be delayed, whereas flights leaving in the morning tend to experience delays more often.
Tuesday tends to have the lowest number of delays on this route, whereas Sunday has historically faced a higher average of delays compared to other days of the week.
Over the past year, Aer Lingus have had the lowest number of delays on this route, with just 19% of flights being delayed.
Food
Comfort
Boarding
Overall
Entertainment
Crew
Reviews
Anonymous,Jul 2025
DUB - ORD
Food
Comfort
Boarding
Overall
Entertainment
Crew
Reviews
Anonymous,Jul 2025
DUB - ORD
Cheapflights goes through 900+ travel sites to look for the best flight deals for flights from Shannon to Heathrow. Too many options? Cheapflights also provides filters for things like airlines, price ranges, and number of stops to help you make a decision easily.
Millions of users choose and trust Cheapflights to book the best flight deals from Shannon to Heathrow for free. We help you search and compare prices from hundreds of airlines for the right flight just for you.
Cheapflights does show flights with no change fees to all users. To see these options for flights from Shannon to Heathrow, users can toggle the no change fees filter when performing a flight search.
Yes, Cheapflights has a feature called Price Alert, which notifies users when flight prices change. Track prices for your flight to Heathrow from Shannon today and book when prices fit your budget.