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Cheap Flights from Shannon to London

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Compare Shannon to London flight deals

Find the cheapest month or even day of the year to fly to London

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Flight deals from Shannon to London

Looking for a cheap last-minute deal or the best return flight from Shannon to London? Find the lowest prices on one-way and return tickets right here.
London.ر.ق.‏ 59 per passenger.Departing Tue, 1 Apr.One-way flight with Ryanair.Outbound direct flight with Ryanair departs from Shannon on Tue, 1 Apr, arriving in London Gatwick.Price includes taxes and charges.From ر.ق.‏ 59, select.
London.ر.ق.‏ 59 per passenger.Departing Sat, 29 Mar.One-way flight with Ryanair.Outbound direct flight with Ryanair departs from Shannon on Sat, 29 Mar, arriving in London Stansted.Price includes taxes and charges.From ر.ق.‏ 59, select.
London.ر.ق.‏ 67 per passenger.Departing Thu, 1 May.One-way flight with Ryanair.Outbound direct flight with Ryanair departs from Shannon on Thu, 1 May, arriving in London Gatwick.Price includes taxes and charges.From ر.ق.‏ 67, select.
London.ر.ق.‏ 67 per passenger.Departing Tue, 3 Jun.One-way flight with Ryanair.Outbound direct flight with Ryanair departs from Shannon on Tue, 3 Jun, arriving in London Stansted.Price includes taxes and charges.From ر.ق.‏ 67, select.
London.ر.ق.‏ 75 per passenger.Departing Mon, 6 Oct.One-way flight with Ryanair.Outbound direct flight with Ryanair departs from Shannon on Mon, 6 Oct, arriving in London Gatwick.Price includes taxes and charges.From ر.ق.‏ 75, select.
London.ر.ق.‏ 77 per passenger.Departing Thu, 3 Jul.One-way flight with Ryanair.Outbound direct flight with Ryanair departs from Shannon on Thu, 3 Jul, arriving in London Stansted.Price includes taxes and charges.From ر.ق.‏ 77, select.
London.ر.ق.‏ 77 per passenger.Departing Sun, 17 Aug.One-way flight with Ryanair.Outbound direct flight with Ryanair departs from Shannon on Sun, 17 Aug, arriving in London Stansted.Price includes taxes and charges.From ر.ق.‏ 77, select.
London.ر.ق.‏ 91 per passenger.Departing Tue, 23 Sep.One-way flight with Ryanair.Outbound direct flight with Ryanair departs from Shannon on Tue, 23 Sep, arriving in London Gatwick.Price includes taxes and charges.From ر.ق.‏ 91, 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 March.
Mar
from ر.ق.‏ 59
Apr
from ر.ق.‏ 59
May
from ر.ق.‏ 67
Jun
from ر.ق.‏ 67
Jul
from ر.ق.‏ 77
Aug
from ر.ق.‏ 77
Sep
from ر.ق.‏ 91
Oct
from ر.ق.‏ 75
Nov
from ر.ق.‏ 118
Dec
from ر.ق.‏ 118
Jan
from ر.ق.‏ 118
Feb
from ر.ق.‏ 118

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 foundر.ق.‏ 59
Cheapest month to flyMarch
Average flight time1 hr, 30 mins
Most popular airlineRyanair
Average flights per week191

Finding cheap flights from Shannon to London: Frequently asked questions

There are 6 airports in London: London City, London Heathrow, London Gatwick, London Luton, London Stansted, and London Southend.
The best price we found for a return flight from Shannon to London is ر.ق.‏ 126. 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.
1 hour and 29 minutes is the average flight time from Shannon to London.
Ryanair, Aer Lingus and British Airways fly direct from Shannon to London.
As of March 2025, there are 191 flights per week flying from Shannon to London.
The cheapest month to fly from Shannon to London is usually March 2025.
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 ر.ق.‏ 126.
After crunching the numbers on our flight calendar, we found that it's currently cheapest to fly from Shannon Airport to London on Saturday, 29 March 2025.
Yes – the average flight time is 1 hour and 29 minutes.
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.
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.
In March, the average temperature is usually around 6°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.
Currently, Ryanair offers the cheapest flight tickets to London.

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

  • Book a direct flight from Shannon Airport to London and you'll be in the air for an average of 1 hour 27 minutes.

  • Shannon (the location of Shannon Airport) and London are in the same timezone — UTC+0.

  • Shannon Airport (SNN) to London Heathrow Airport (LHR) is the most popular route, with 28 weekly departures to choose from. If you prefer starting your day later, the last flight from SNN to LHR is with Aer Lingus at 21:25. Opt for the first departure with Aer Lingus at 07:40 if you want to fly out earlier.

  • Leave enough time to catch your flight from SNN to London. As a rule of thumb, arrive two hours before international departures and an hour ahead for domestic flights.

  • Be prepared for longer lines during popular months such as August and other peak seasons. Arriving up to four hours in advance for international flights and two hours for domestic departures is a smart move.

  • You can travel directly to London departing from SNN. Arrive at one of these hubs following your flight from Shannon Airport to London:

    • London Heathrow Airport (LHR)

    • London Gatwick Airport (LGW)

    • Stansted Airport (STN)

  • There's a range of carriers that offer direct flights from Shannon Airport to London, including:

  • Consider adding a stopover to possibly find a cheaper flight from SNN to London. Just uncheck 'Direct flights only' when searching for the departures. Take a pause at one of these airports:

    • Edinburgh Airport (EDI)

    • Manchester Airport (MAN)

    • Charles de Gaulle Airport (CDG)

  • You can travel to United Kingdom for tourism purposes without a visa if you hold a passport from Ireland. But before reserving your flight tickets from Shannon Airport to London, make sure you're up to date with the latest guidelines. Visa rules can change, and you may need some travel documentation if your trip is for work or another reason.

  • Located around 5 kilometres from the centre of Shannon, SNN can be reached in approximately 7 minutes by car (depending on traffic). The same journey by public transport takes roughly 10 minutes.

  • Planning to catch an early flight from Shannon Airport to London? Avoid rushing to the terminal (and get some extra shut-eye) by choosing one of these hotels near SNN:

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

  • The lowest price we've found for a one-way ticket from Shannon Airport to London is ر.ق.‏ 59. The cheapest price for a return flight is ر.ق.‏ 126. Bear in mind fares may change due to availability at the time of booking.

  • To secure cheap tickets from SNN to London, reserve your journey 9 months ahead of your departure date.

  • Plan your trip for May. That's the cheapest month for tickets from Shannon Airport to London. If you're flexible with your travel dates, use the 'Whole month' tool to find the lowest price across every month.

  • Create a Price Alert for cheap flight tickets from SNN to London. You don't need to look every day to find out if prices have dropped. We'll let you know as soon as there's a change in price.

  • Use the filters to tailor your flights from Shannon Airport to London. Simply enter your preferred arrival and departure times, number of stops and airlines. Or sort your results by 'Cheapest' to find the best deals.

Airports in London

London Heathrow Airport (LHR)

  • London Heathrow Airport (LHR) to the centre of London is about 57 minutes by car. It's approximately 31 kilometres away.

  • If you're travelling by public transport, expect a journey of about 1 hour and 1 minute.

  • If you're coming in on a late flight from Shannon Airport to London, few things beat the convenience of staying close to the terminal. Pick up your bags from the carousel and then be showered and resting soon after at one of these hotels near LHR:

London Gatwick Airport (LGW)

  • After your flight from Shannon Airport to London has touched down, you can get to the city centre in about 1 hour and 19 minutes by car. Central London is approximately 80 kilometres from London Gatwick Airport (LGW).

  • You can also travel using public transport, which will take around 1 hour and 26 minutes.

  • You'll find some great places to drop your things at near LGW. Tuck yourself in and get cosy after your flight from SNN to London at one of these perfectly located options:

Best time to go to London

  • July is the most popular month for flights from Shannon Airport to London. To steer clear of the crowds, travel to London in February when it's quieter.

  • The warmest month in London is July, with temperatures ranging between 11ºC and 26ºC. Lock in your flights from Shannon Airport to London in this month if this is the type of weather you enjoy.

  • January sees average temperatures of between 0ºC and 9ºC. Search for cheap flights from SNN to London sometime around then if you'd rather travel in cooler conditions.

More about London

Complete your London trip with a car rental

  • Select one of our car rentals in London and see the sights on your own terms. Easily compare rates in one place to find the perfect set of wheels after booking your hotel and cheap flights from Shannon Airport to London.

Plan the rest of your trip from Shannon to London

Prices shown on this page are estimated lowest prices only. Found in the last 45 days.