€56 Cheap Flights Shannon to London (SNN-LHR)

View €56 flight on Fri, 6 Mar 2026Opens in a new window

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

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Cheap flights from Shannon to London (SNN-LHR)

Prices were available within the past 7 days and start at €56 for one-way flights and €111 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Aer Lingus
Thu, 26 Feb - Thu, 5 Mar
SNN
Shannon
LHR
London
€111 Return, found 3 days ago
€111
Return
found 3 days ago
Select Aer Lingus flight, departing Thu, 26 Feb from Shannon to London, returning Thu, 5 Mar, priced at €111 found 3 days ago
Aer Lingus
Mon, 30 Mar - Mon, 6 Apr
SNN
Shannon
LHR
London
€129 Return, found 1 day ago
€129
Return
found 1 day ago
Select Aer Lingus flight, departing Mon, 30 Mar from Shannon to London, returning Mon, 6 Apr, priced at €129 found 1 day ago
Aer Lingus
Thu, 5 Feb - Thu, 12 Feb
SNN
Shannon
LHR
London
€136 Return, found 2 days ago
€136
Return
found 2 days ago
Select Aer Lingus flight, departing Thu, 5 Feb from Shannon to London, returning Thu, 12 Feb, priced at €136 found 2 days ago
Aer Lingus
Fri, 27 Feb - Sun, 1 Mar
SNN
Shannon
LHR
London
€142 Return, just found
€142
Return
just found
Select Aer Lingus flight, departing Fri, 27 Feb from Shannon to London, returning Sun, 1 Mar, priced at €142 just found
Aer Lingus
Sun, 5 Apr - Thu, 9 Apr
SNN
Shannon
LHR
London
€145 Return, just found
€145
Return
just found
Select Aer Lingus flight, departing Sun, 5 Apr from Shannon to London, returning Thu, 9 Apr, priced at €145 just found
Aer Lingus
Sun, 5 Apr - Thu, 9 Apr
SNN
Shannon
LHR
London
€148 Return, just found
€148
Return
just found
Select Aer Lingus flight, departing Sun, 5 Apr from Shannon to London, returning Thu, 9 Apr, priced at €148 just found
Aer Lingus
Mon, 23 Mar - Tue, 24 Mar
SNN
Shannon
LHR
London
€148 Return, found 1 hour ago
€148
Return
found 1 hour ago
Select Aer Lingus flight, departing Mon, 23 Mar from Shannon to London, returning Tue, 24 Mar, priced at €148 found 1 hour ago
Aer Lingus
Sun, 5 Apr - Thu, 9 Apr
SNN
Shannon
LHR
London
€151 Return, just found
€151
Return
just found
Select Aer Lingus flight, departing Sun, 5 Apr from Shannon to London, returning Thu, 9 Apr, priced at €151 just found
British Airways
Fri, 6 Mar - Sun, 8 Mar
SNN
Shannon
LHR
London
€170 Return, just found
€170
Return
just found
Select British Airways flight, departing Fri, 6 Mar from Shannon to London, returning Sun, 8 Mar, priced at €170 just found
Lufthansa
Sat, 1 Aug - Wed, 5 Aug
SNN
Shannon
LHR
London
€225 Return, found 1 day ago
€225
Return
found 1 day ago
Select Lufthansa flight, departing Sat, 1 Aug from Shannon to London, returning Wed, 5 Aug, priced at €225 found 1 day ago

Alternative airports near London

Prices were available within the past 7 days. Prices and availability are subject to change.

Select flight to Gatwick LGW. Cheapest option available. Average driving time to city centre is 52 minutes. Flights from €63
LGW
Gatwick
Cheapest
Average driving time to city centre52 min
Flights from €63

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

March is typically the cheapest month to fly

From €84 - €175 per traveller.
Shannon to London route information
Origin airport
Shannon
Destination airport
Heathrow
Airlines serving
Aer Lingus, British Airways, Lufthansa
Return price
€111
Distance
590 km
Average flight time
1 hour 23 mins

Perfect flights from Shannon to London

Embark on an unforgettable journey without breaking the bank with Expedia's incredible deals on cheap flights from Shannon to London. 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 Shannon to Heathrow ticket options cater to your travel preferences, with incredible one-way fares from €56 and roundtrip prices from €111. 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 Heathrow 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 London.

Frequently asked questions

How much is a flight from Shannon Airport (SNN) to LHR?
Round-trip flights between SNN and London Heathrow start from €111. This price is based on fares listed within the last 7 days on Expedia for flights departing within the next year — book today to avoid missing out. Prices and availability are subject to change. Additional terms apply.
Do I need to pay a cancellation fee if I cancel my flight from SNN to LHR?
When it comes to cancellation fees, every airline has a different set of terms and conditions. If you decide to cancel your escape, visit our Customer Service Portal.
How do I find cheap flights from SNN to Heathrow Airport (LHR) 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 Shannon Airport to London Heathrow flights, you'll see a "no change fees" filter for you to select.
How far is the flight from Shannon Airport to Heathrow Airport (LHR)?
A flight distance of just 590 kilometres separates Shannon and Hounslow. Once you're up in the air, you won't get a chance to do much more than listen to some short podcasts.
Which airlines fly direct from Shannon Airport (SNN) to London Heathrow?
Aer Lingus (EI) will take you from Shannon Airport (SNN) to Heathrow Airport safely and comfortably. You can choose from 82 direct flights each month along this route.
Are SNN to Heathrow Airport (LHR) flight tickets cheaper when they're purchased at the last minute?
Late planners can sometimes nab a bargain, with some of the cheapest airfares from Shannon Airport to Heathrow Airport showing up a few weeks prior to the departure date. If you'd rather plan ahead of time, Expedia compares and updates all the best flight deals frequently — as early as 12 months in advance in some cases. It does depend on the carrier though, as not all airlines quote prices so far in advance.

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