Cheap flights from Shannon to London

Compare Shannon to London flight deals

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Flight deals from Shannon to London

Looking for a cheap last-minute deal or the best return flight from Shannon Airport to London? If you want to travel next month, return fares start from $45. Find the lowest prices on one-way and return tickets right here.

London.$22 per passenger.Departing Sat, 6 Jun.One-way flight with Ryanair.Outbound direct flight with Ryanair departs from Shannon on Sat, 6 Jun, arriving in London Stansted.Price includes taxes and charges.From $22, select.

London.$22 per passenger.Departing Mon, 25 May.One-way flight with Ryanair.Outbound direct flight with Ryanair departs from Shannon on Mon, 25 May, arriving in London Stansted.Price includes taxes and charges.From $22, select.

London.$24 per passenger.Departing Sat, 8 Aug.One-way flight with Ryanair.Outbound direct flight with Ryanair departs from Shannon on Sat, 8 Aug, arriving in London Stansted.Price includes taxes and charges.From $24, select.

London.$24 per passenger.Departing Sun, 19 Jul.One-way flight with Ryanair.Outbound direct flight with Ryanair departs from Shannon on Sun, 19 Jul, arriving in London Stansted.Price includes taxes and charges.From $24, select.

London.$25 per passenger.Departing Wed, 2 Sep.One-way flight with Ryanair.Outbound direct flight with Ryanair departs from Shannon on Wed, 2 Sep, arriving in London Stansted.Price includes taxes and charges.From $25, select.

London.$27 per passenger.Departing Wed, 7 Oct.One-way flight with Ryanair.Outbound direct flight with Ryanair departs from Shannon on Wed, 7 Oct, arriving in London Stansted.Price includes taxes and charges.From $27, select.

London.$34 per passenger.Departing Sat, 7 Nov.One-way flight with Ryanair.Outbound direct flight with Ryanair departs from Shannon on Sat, 7 Nov, arriving in London Stansted.Price includes taxes and charges.From $34, select.

London.$42 per passenger.Departing Fri, 4 Dec.One-way flight with Ryanair.Outbound direct flight with Ryanair departs from Shannon on Fri, 4 Dec, arriving in London Stansted.Price includes taxes and charges.From $42, select.

London.$42 per passenger.Departing Sat, 9 Jan.One-way flight with Ryanair.Outbound direct flight with Ryanair departs from Shannon on Sat, 9 Jan, arriving in London Stansted.Price includes taxes and charges.From $42, select.

London.$42 per passenger.Departing Fri, 5 Mar.One-way flight with Ryanair.Outbound direct flight with Ryanair departs from Shannon on Fri, 5 Mar, arriving in London Stansted.Price includes taxes and charges.From $42, select.

London.$42 per passenger.Departing Thu, 4 Feb.One-way flight with Ryanair.Outbound direct flight with Ryanair departs from Shannon on Thu, 4 Feb, arriving in London Stansted.Price includes taxes and charges.From $42, select.

London.$49 per passenger.Departing Thu, 6 May.One-way flight with Ryanair.Outbound direct flight with Ryanair departs from Shannon on Thu, 6 May, arriving in London Stansted.Price includes taxes and charges.From $49, select.

London.$49 per passenger.Departing Thu, 1 Apr.One-way flight with Ryanair.Outbound direct flight with Ryanair departs from Shannon on Thu, 1 Apr, arriving in London Stansted.Price includes taxes and charges.From $49, select.

Find the cheapest month to fly from Shannon to London

We’re always keeping an eye on fares, so you can find the best one in seconds. It looks like Shannon to London flights are currently cheapest in May.

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Direct flights from Shannon to London

Alternative Shannon to London routes

Looking for the cheapest, fastest or easiest route from Shannon to London? You could fly into the following airports instead.

Shannon to London: Flight information

The things to know before you go.

Cheapest flight found	$22
Cheapest month to fly	June
Average flight time	1 hr, 30 mins
Most popular airline	Ryanair
Average flights per week	104

Finding cheap flights from Shannon to London: Frequently asked questions

How many airports are there in London?

There are 6 airports in London: London City, London Heathrow, London Gatwick, London Luton, London Stansted, and London Southend.

How much are return flights from Shannon to London?

The best price we found for a return flight from Shannon to London is $45. This is an estimate based on information collected from different airlines and travel providers over the last 4 days and is subject to change and availability.

How long does it take to fly from Shannon to London?

1 hour and 30 minutes is the average flight time from Shannon to London.

Which airlines fly direct from Shannon to London?

Ryanair, Aer Lingus and Qatar Airways fly direct from Shannon to London.

How many flights are there a week from Shannon to London?

As of May 2026, there are 208 flights per week flying from Shannon to London.

When is the cheapest time to fly from Shannon to London?

The cheapest month to fly from Shannon to London is usually May.

Which is the cheapest airport to fly into in London?

If you're flying from Shannon Airport, the cheapest airport near London is London Stansted – which is 48.6 km away from the centre of London. We've found flights into this airport from $45.

Which upcoming date is cheapest to fly from Shannon Airport to London on?

After crunching the numbers on our flight calendar, we found that it's currently cheapest to fly from Shannon Airport to London on Friday, 8 May 2026.

Can I get a direct flight from Shannon Airport to London?

Yes – the average flight time is 1 hour and 30 minutes.

How can I get the best flight deal from Shannon Airport to London?

We show every price from over 1,200 airlines and travel agents, comparing them all so you don’t have to. If you know you want to fly to London but you’re not ready to book, set up a Price Alert. We’ll track prices for you, and let you know when they rise or fall.

When is the best time to book flights to London?

We crunched all the numbers in our flight calendar and it looks like the cheapest time to book a flight to London is around 40 days in advance, so don’t leave your flight to the last minute.

What’s the weather like in London?

In May, the average temperature is usually around 12°C. August is typically the warmest month in London, when it usually averages around 22°C. You can expect the least rain in March. The coldest month is January, with temperatures averaging 1°C. The rainiest month is October.

Which is the cheapest airline to fly from Shannon Airport to London with?

Currently, Ryanair offers the cheapest flight tickets to London.

Travelling from Shannon Airport (SNN) to London: what you need to know

The average time for a direct flight from Shannon Airport to London is 1 hour 30 minutes.
Shannon (the location of Shannon Airport) and London follow the same timezone — UTC+0.
With 20 weekly flights between the two airports, Shannon Airport (SNN) to London Heathrow Airport (LHR) is the most popular route. Aer Lingus operates the earliest flight at 07:40. If you prefer to get more out of your day before you fly, the latest flight from SNN to LHR is with Aer Lingus at 21:15.
Allow plenty of time to make your SNN to London flight. As a general rule, arrive two hours before international departures and an hour ahead for domestic flights.
Travelling during a popular month like June? Public holidays and other high seasons can mean longer queues and delays at security. Be extra cautious and arrive up to four hours before an international flight and two hours before domestic departures.
Start your journey at SNN and fly straight to London without layovers. When booking a direct Shannon Airport to London ticket, here's where your plane could land:
- London Heathrow Airport (LHR)
- London Gatwick Airport (LGW)
- London Stansted Airport (STN)
Aer Lingus is a well-known carrier that operates direct flights from Shannon Airport to London.
We make it a breeze to book plane tickets from SNN to London with a stopover. To see your options, deselect 'Direct flights only.' Next, choose a flight with a stop long enough to explore the city of your choice. Popular stopovers include:
- Paris Charles de Gaulle Airport (CDG)
- Palma de Mallorca Airport (PMI)
- Manchester Airport (MAN)
The journey from central Shannon to SNN takes about 15 minutes by public transport. If you drive, ride-share or grab a taxi, you'll cover the 3 kilometres in 5 minutes or so, depending on traffic.
Looking for a hotel close to SNN? If you're catching an early flight from Shannon Airport to London, these stays will put you moments from your departure lounge:
Shannon Airport gets high marks for on-time performance. 84% of flights that depart SNN land on time.

How to find the cheapest flights from Shannon Airport (SNN) to London

$22 is currently the lowest price for a one-way Shannon Airport to London flight. Return plane tickets start from $45. These fares may change depending on demand.
Booking ahead of time is often the key to finding a cheap flight from SNN to London. Prices tend to rise as demand increases, so the nearer your departure date, the more you'll likely spend on your ticket.
If you can be flexible with your travel plans, check out the 'Whole month' tool. It'll find the lowest price across every month when searching for your Shannon Airport to London ticket.
Picking up a cheap flight from SNN to London is easy with Price Alerts. Simply create one of these automatic notifications and we'll notify you when a better deal is available.
Select your ideal arrival and departure times, number of stops and airlines with our filters. Then, sort the results for your flight from Shannon Airport to London by 'Best,' 'Cheapest' or 'Fastest.'

Airports in London

London Heathrow Airport (LHR)

London Heathrow Airport (LHR) to the centre of London takes around 45 minutes to reach by car. The centre is roughly 24 kilometres away.
It takes around 25 minutes to get there using public transport.
If you're arriving on a late flight from Shannon Airport to London, few things beat the convenience of staying near the terminal. Grab your suitcases from the carousel and then be showered and resting soon after at one of these hotels near LHR:
Lock in the best deal by reserving your vehicle from London Heathrow Airport around one week in advance of your flight from SNN to London.

London Gatwick Airport (LGW)

The centre of London is about 48 kilometres from London Gatwick Airport (LGW). Once your flight from Shannon Airport to London has touched down and you've made your way through the terminal, expect a drive of around 1 hour 5 minutes.
The trip will take roughly 1 hour 20 minutes on public transport.
Hang the 'Do not disturb' sign on your door and rest at a hotel near LGW. Here are a few options where you can take a load off after your SNN to London flight:
Avoid paying extra. Booking your ride three weeks before your arrival at LGW will help you stay within budget.

London Stansted Airport (STN)

London Stansted Airport (STN) is about 56 kilometres from central London. It'll take you about 1 hour 5 minutes to reach the city centre in a taxi or ride-share once you've stepped off your flight from Shannon Airport to London.
The journey will take around 45 minutes if you use public transport.
Enjoy a low-stress, comfortable start to your break by choosing a hotel near STN after your SNN to London flight. Rest up after a long day of travel or simply give yourself time to find your footing in a new city at:
Plan ahead and enjoy the payoff. Book your ride from STN four weeks before your flight from Shannon Airport to London for the lowest prices.

Best time to go to London

It's time to plan your travel dates for your flight from Shannon Airport to London. July is the busiest month to travel to London. If you want a more low-key vibe, go in January.
Book a Shannon Airport to London plane ticket with a departure in July to explore the city during its warmest month. You can expect temperatures to range from 11ºC (52ºF) to 26ºC (79ºF).
Search for cheap tickets from SNN to London in January if you want to travel in cooler conditions. Temperatures are at their lowest then, ranging between 0ºC (32ºF) and 9ºC (48ºF) on average.

More about London

After booking your flight from Shannon Airport to London, choose a hotel that puts you where you want to be. Make one of these accommodation options your base for exploring London:
There are so many things to discover in this city it can be tricky to know where to begin. Westminster Abbey, The British Museum and Big Ben are major attractions which should be on any well-planned London itinerary.

Explore more of the United Kingdom

London has plenty to offer, but there are so many other parts of the United Kingdom you'll want to see. About 257 kilometres northwest of London, a visit to Manchester will keep you busy. Start with leading sights like Manchester United Museum & Stadium Tour, The Homes of Football and Museum of Science and Industry.
If there's time to check out another major stop in the United Kingdom, consider Birmingham, roughly 161 kilometres northwest of London. Birmingham Museum & Art Gallery, Birmingham Hippodrome Theatre and Bournville Experience are among its highlights.