S$178 Cheap Flights from London to Shannon

View S$178 flight on Sat, 6 Sep, 2025Opens in a new window

Popular airlines from London to Shannon (SNN)

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Cheap Flights from London to Shannon (LON-SNN)

Prices were available within the past 7 days and start at S$178 for one-way flights and S$323 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Aer Lingus
Thu, 4 Sep - Sun, 7 Sep
LHR
London
SNN
Shannon
S$323 Return, found 9 hours ago
S$323
Return
found 9 hours ago
Select Aer Lingus flight, departing Thu, 4 Sep from London to Shannon, returning Sun, 7 Sep, priced at S$323 found 9 hours ago
Aer Lingus
Thu, 4 Sep - Mon, 8 Sep
LHR
London
SNN
Shannon
S$326 Return, found 5 days ago
S$326
Return
found 5 days ago
Select Aer Lingus flight, departing Thu, 4 Sep from London to Shannon, returning Mon, 8 Sep, priced at S$326 found 5 days ago
Aer Lingus
Thu, 4 Sep - Sun, 7 Sep
LHR
London
SNN
Shannon
S$327 Return, found 9 hours ago
S$327
Return
found 9 hours ago
Select Aer Lingus flight, departing Thu, 4 Sep from London to Shannon, returning Sun, 7 Sep, priced at S$327 found 9 hours ago
Aer Lingus
Thu, 4 Sep - Sun, 7 Sep
LHR
London
SNN
Shannon
S$330 Return, found 9 hours ago
S$330
Return
found 9 hours ago
Select Aer Lingus flight, departing Thu, 4 Sep from London to Shannon, returning Sun, 7 Sep, priced at S$330 found 9 hours ago
Aer Lingus
Tue, 5 Aug - Tue, 12 Aug
LHR
London
SNN
Shannon
S$337 Return, found 3 days ago
S$337
Return
found 3 days ago
Select Aer Lingus flight, departing Tue, 5 Aug from London to Shannon, returning Tue, 12 Aug, priced at S$337 found 3 days ago
Aer Lingus
Mon, 28 Jul - Mon, 4 Aug
LHR
London
SNN
Shannon
S$341 Return, found 3 days ago
S$341
Return
found 3 days ago
Select Aer Lingus flight, departing Mon, 28 Jul from London to Shannon, returning Mon, 4 Aug, priced at S$341 found 3 days ago
Aer Lingus
Thu, 4 Sep - Sun, 7 Sep
LHR
London
SNN
Shannon
S$344 Return, found 9 hours ago
S$344
Return
found 9 hours ago
Select Aer Lingus flight, departing Thu, 4 Sep from London to Shannon, returning Sun, 7 Sep, priced at S$344 found 9 hours ago
Aer Lingus
Tue, 5 Aug - Tue, 12 Aug
LHR
London
SNN
Shannon
S$346 Return, found 3 days ago
S$346
Return
found 3 days ago
Select Aer Lingus flight, departing Tue, 5 Aug from London to Shannon, returning Tue, 12 Aug, priced at S$346 found 3 days ago
Aer Lingus
Thu, 4 Sep - Mon, 8 Sep
LHR
London
SNN
Shannon
S$347 Return, found 5 days ago
S$347
Return
found 5 days ago
Select Aer Lingus flight, departing Thu, 4 Sep from London to Shannon, returning Mon, 8 Sep, priced at S$347 found 5 days ago
British Airways
Thu, 4 Sep - Sun, 7 Sep
LHR
London
SNN
Shannon
S$368 Return, found 9 hours ago
S$368
Return
found 9 hours ago
Select British Airways flight, departing Thu, 4 Sep from London to Shannon, returning Sun, 7 Sep, priced at S$368 found 9 hours ago

Find the cheapest month to fly from London (LON) to Shannon (SNN)

March is typically the cheapest month to fly

From S$70 - S$209 per traveller.

Graph displaying average flight prices per month

London to Shannon route information
Origin airport
Heathrow
Destination airport
Shannon
Airlines serving
Aer Lingus, British Airways
Return price
S$323
Distance
590 km

Frequently asked questions

How much is a flight from London (LON-All Airports) to Shannon Airport?
Based on fares quoted within the last 7 days on Expedia for flights departing within the next year, round-trip journeys from London (LON-All Airports) to Shannon Airport start from S$323. Make your booking ASAP to score the best price for your trip. 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 (LON-All Airports) to Shannon Airport (SNN)?
Each air carrier has its own terms and conditions. If you do decide to cancel, follow the simple instructions on our Customer Service Portal.
How do I find cheap flights from London (LON-All Airports) 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 London (LON-All Airports) to SNN flights, you'll see a "no change fees" filter for you to select.
How far is the flight from London (LON-All Airports) to Shannon Airport?
The flight distance from London (LON-All Airports) (LON) to Shannon Airport (SNN) is only 620 kilometres. You'll be walking down the air bridge and grabbing your suitcase from the carousel before you know it.
Which airlines fly direct from London (LON-All Airports) to SNN?
A leading airline that flies from London (LON-All Airports) to SNN is Ryanair (FR). It offers 91 flights monthly. Operating 82 flights every month on this route, Aer Lingus (EI) is another good option.
Are London (LON-All Airports) to Shannon Airport (SNN) flight tickets cheaper when they're purchased at the last minute?
Booking your trip from London (LON-All Airports) to Shannon Airport at the last minute could be your ticket to an awesome deal. However, it could end up costing you a whole lot more! If you'd rather err on the side of caution, book well ahead of your departure date. In fact, Expedia has some of the biggest bargains up to a year in advance. If your preferred air carrier hasn't released tickets yet, check back often as deals are updated on Expedia all the time.

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London Airports

London

Heathrow to Shannon
S$322.90