S$183 Cheap Flights from London to Shannon

View S$183 flight on Thu, 7 May, 2026Opens in a new window

Popular airlines from Heathrow Airport (LHR) to Shannon Airport (SNN)

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Cheap Flights from London to Shannon (LHR-SNN)

Prices were available within the past 7 days and start at S$183 for one-way flights and S$331 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Aer Lingus
Thu, 7 May - Sun, 10 May
LHR
London
SNN
Shannon
S$331 Return, found 21 hours ago
S$331
Return
found 21 hours ago
Select Aer Lingus flight, departing Thu, 7 May from London to Shannon, returning Sun, 10 May, priced at S$331 found 21 hours ago
British Airways
Sat, 27 Jun - Thu, 2 Jul
LHR
London
SNN
Shannon
S$337 Return, found 21 hours ago
S$337
Return
found 21 hours ago
Select British Airways flight, departing Sat, 27 Jun from London to Shannon, returning Thu, 2 Jul, priced at S$337 found 21 hours ago
Aer Lingus
Thu, 7 May - Sun, 10 May
LHR
London
SNN
Shannon
S$343 Return, found 21 hours ago
S$343
Return
found 21 hours ago
Select Aer Lingus flight, departing Thu, 7 May from London to Shannon, returning Sun, 10 May, priced at S$343 found 21 hours ago
Aer Lingus
Thu, 7 May - Sun, 10 May
LHR
London
SNN
Shannon
S$343 Return, found 21 hours ago
S$343
Return
found 21 hours ago
Select Aer Lingus flight, departing Thu, 7 May from London to Shannon, returning Sun, 10 May, priced at S$343 found 21 hours ago
Aer Lingus
Thu, 7 May - Sun, 10 May
LHR
London
SNN
Shannon
S$348 Return, found 21 hours ago
S$348
Return
found 21 hours ago
Select Aer Lingus flight, departing Thu, 7 May from London to Shannon, returning Sun, 10 May, priced at S$348 found 21 hours ago
Aer Lingus
Thu, 7 May - Sun, 10 May
LHR
London
SNN
Shannon
S$351 Return, found 21 hours ago
S$351
Return
found 21 hours ago
Select Aer Lingus flight, departing Thu, 7 May from London to Shannon, returning Sun, 10 May, priced at S$351 found 21 hours ago
British Airways
Thu, 7 May - Sun, 10 May
LHR
London
SNN
Shannon
S$352 Return, found 21 hours ago
S$352
Return
found 21 hours ago
Select British Airways flight, departing Thu, 7 May from London to Shannon, returning Sun, 10 May, priced at S$352 found 21 hours ago
Aer Lingus
Thu, 7 May - Sun, 10 May
LHR
London
SNN
Shannon
S$355 Return, found 21 hours ago
S$355
Return
found 21 hours ago
Select Aer Lingus flight, departing Thu, 7 May from London to Shannon, returning Sun, 10 May, priced at S$355 found 21 hours ago
Aer Lingus
Thu, 7 May - Sun, 10 May
LHR
London
SNN
Shannon
S$356 Return, found 21 hours ago
S$356
Return
found 21 hours ago
Select Aer Lingus flight, departing Thu, 7 May from London to Shannon, returning Sun, 10 May, priced at S$356 found 21 hours ago
Aer Lingus
Sat, 27 Jun - Thu, 2 Jul
LHR
London
SNN
Shannon
S$356 Return, found 21 hours ago
S$356
Return
found 21 hours ago
Select Aer Lingus flight, departing Sat, 27 Jun from London to Shannon, returning Thu, 2 Jul, priced at S$356 found 21 hours ago

Frequently asked questions

How much is a flight from Heathrow Airport (LHR) to Shannon Airport?
If you're planning on travelling from Heathrow Airport (LHR) to SNN, round-trip flights start from S$331. This price is based on fares listed within the last 7 days on Expedia for flights departing within the next year, so don't delay. Book now and save yourself both money and time. Prices and availability are subject to change. Additional terms apply.
Do I need to pay a cancellation fee if I cancel my flight from London Heathrow to Shannon Airport?
This differs between airlines, as each has its own set of terms and conditions. Head to the Customer Service Portal, where there are instructions on how to cancel your flight online.
How do I find cheap flights from Heathrow Airport to SNN that have flexible change policies?
Many airlines offer the option to reschedule your flight without a change fee. All you pay is the difference between the original flight and the new flight. When you're searching for LHR to Shannon Airport (SNN) flights, you'll see a "no change fees" filter for you to select.
How far is the flight from London Heathrow to Shannon Airport?
You might not get through a whole movie on this flight — it's just 590 kilometres from Hounslow to Shannon. Find your seat, buckle up and you'll be touching down before long.
Which airlines fly direct from Heathrow Airport to SNN?
A favourite with many travellers, Aer Lingus (EI) operates 82 flights every month from London Heathrow to Shannon Airport. Pick the one that fits with your travel plans and book your fare today.
Are Heathrow Airport (LHR) to SNN flight tickets cheaper when they're purchased at the last minute?
Booking your trip from Heathrow Airport (LHR) to Shannon Airport (SNN) at the last minute could be your ticket to a fantastic deal. However, you might miss out on a flight altogether! If you'd prefer not to take any chances, book well ahead of your departure date. In fact, Expedia has some of the best bargains up to 12 months in advance. If your preferred carrier hasn't released tickets yet, check back frequently as deals are updated all the time on Expedia.

Travel information

Origin airport
Heathrow
Destination airport
Shannon
Airlines serving
Aer Lingus, British Airways
Return price
S$330
Distance
590 km
Average flight time
1 hour 28 mins

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