€57 Cheap Flights London to Shannon (LHR-SNN)

View €57 flight on Tue, 2 Sep 2025Opens 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 €57 for one-way flights and €115 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Aer Lingus
Tue, 16 Sep - Mon, 22 Sep
LHR
London
SNN
Shannon
€115 Return, found 4 days ago
€115
Return
found 4 days ago
Select Aer Lingus flight, departing Tue, 16 Sep from London to Shannon, returning Mon, 22 Sep, priced at €115 found 4 days ago
Aer Lingus
Tue, 16 Sep - Mon, 22 Sep
LHR
London
SNN
Shannon
€116 Return, found 4 days ago
€116
Return
found 4 days ago
Select Aer Lingus flight, departing Tue, 16 Sep from London to Shannon, returning Mon, 22 Sep, priced at €116 found 4 days ago
Aer Lingus
Tue, 12 Aug - Wed, 13 Aug
LHR
London
SNN
Shannon
€117 Return, found 3 days ago
€117
Return
found 3 days ago
Select Aer Lingus flight, departing Tue, 12 Aug from London to Shannon, returning Wed, 13 Aug, priced at €117 found 3 days ago
Aer Lingus
Wed, 27 Aug - Fri, 29 Aug
LHR
London
SNN
Shannon
€128 Return, found 6 days ago
€128
Return
found 6 days ago
Select Aer Lingus flight, departing Wed, 27 Aug from London to Shannon, returning Fri, 29 Aug, priced at €128 found 6 days ago
Aer Lingus
Thu, 11 Sep - Mon, 15 Sep
LHR
London
SNN
Shannon
€131 Return, found 15 hours ago
€131
Return
found 15 hours ago
Select Aer Lingus flight, departing Thu, 11 Sep from London to Shannon, returning Mon, 15 Sep, priced at €131 found 15 hours ago
Aer Lingus
Tue, 23 Sep - Mon, 29 Sep
LHR
London
SNN
Shannon
€132 Return, found 9 hours ago
€132
Return
found 9 hours ago
Select Aer Lingus flight, departing Tue, 23 Sep from London to Shannon, returning Mon, 29 Sep, priced at €132 found 9 hours ago
Aer Lingus
Thu, 11 Sep - Mon, 15 Sep
LHR
London
SNN
Shannon
€133 Return, found 15 hours ago
€133
Return
found 15 hours ago
Select Aer Lingus flight, departing Thu, 11 Sep from London to Shannon, returning Mon, 15 Sep, priced at €133 found 15 hours ago
Aer Lingus
Sat, 20 Sep - Mon, 22 Sep
LHR
London
SNN
Shannon
€133 Return, found 16 hours ago
€133
Return
found 16 hours ago
Select Aer Lingus flight, departing Sat, 20 Sep from London to Shannon, returning Mon, 22 Sep, priced at €133 found 16 hours ago
Aer Lingus
Tue, 12 Aug - Wed, 13 Aug
LHR
London
SNN
Shannon
€137 Return, found 3 days ago
€137
Return
found 3 days ago
Select Aer Lingus flight, departing Tue, 12 Aug from London to Shannon, returning Wed, 13 Aug, priced at €137 found 3 days ago
British Airways
Thu, 9 Oct - Mon, 13 Oct
LHR
London
SNN
Shannon
€253 Return, found 6 hours ago
€253
Return
found 6 hours ago
Select British Airways flight, departing Thu, 9 Oct from London to Shannon, returning Mon, 13 Oct, priced at €253 found 6 hours ago

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

March is typically the cheapest month to fly

From €87 - €195 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
€115
Distance
590 km
Average flight time
1 hour 28 mins

Perfect flights from London to Shannon

Embark on an unforgettable journey without breaking the bank with Expedia's incredible deals on cheap flights from London to Shannon. Whether you're aching for a romantic escape with your partner, craving an adventurous solo expedition, or yearning to immerse yourself in the local history and culture, we've got you covered.
 
Picture yourself strolling through the streets of , surrounded by breathtaking architecture and absorbing the vibrant atmosphere of this captivating city. Indulge in the mouth-watering local specialties, from tantalizing street food to exquisite fine dining. With Expedia, you can experience all of this and more, without sacrificing your budget.
 
Our flexible Heathrow to Shannon ticket options cater to your travel preferences, with incredible one-way fares from €57 and roundtrip prices from €115. Whether you're planning a short city break or a longer adventure, our dynamic pricing ensures that you find the best deals for your journey.
 
But the magic doesn't stop there. Expedia offers a range of partner services to enhance your trip. Rent a car at Shannon and explore and its surrounding areas at your own pace. Discover hidden gems off the beaten path, and create unforgettable memories. We also provide a handpicked selection of accommodations, from charming bed and breakfasts to luxury hotels, ensuring that you have a comfortable and memorable stay.
 
Planning your next great adventure is a breeze with Expedia. Our user-friendly platform, unbeatable prices, and round-the-clock customer support are designed to make your travel experience seamless and stress-free. So, why wait? Book your to travel arrangements today and embark on the journey of a lifetime in Shannon.

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 €115. 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.

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