Cheap Flights from Forest (GCI) to London (LOND)

Compare Guernsey 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 Guernsey to London

Looking for a cheap last-minute deal or the best return flight from Guernsey Airport to London? If you want to travel next month, return fares start from $230. Find the lowest prices on one-way and return tickets right here.

Find the cheapest month to fly from Guernsey to London

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

Direct flights from Guernsey to London

Forest to London: Flight information

The things to know before you go.
Cheapest flight found$210
Cheapest month to flyJune
Average flight time1 hr, 9 mins
Most popular airlineAurigny
Average flights per week73

Finding cheap flights from Guernsey 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 Guernsey to London is $210. 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 8 minutes is the average flight time from Guernsey to London.
Aurigny, Qatar Airways and British Airways fly direct from Guernsey to London.
As of August 2026, there are 71 flights per week flying from Guernsey to London.
The cheapest month to fly from Guernsey to London is usually June.
If you're flying from Guernsey Airport, the cheapest airport near London is London Heathrow – which is 22.9 km away from the centre of London. We've found flights into this airport from $210.
After crunching the numbers on our flight calendar, we found that it's currently cheapest to fly from Guernsey Airport to London on Friday, 11 June 2027.
Yes – the average flight time is 1 hour and 8 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 August, the average temperature is usually around 17°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, British Airways offers the cheapest flight tickets to London.

Flying from Guernsey Airport (GCI) to London: what you need to know

  • Leave enough time to catch your GCI to London flight. A good rule of thumb is to arrive two hours before international departures and an hour ahead for domestic flights.

  • Direct Guernsey Airport to London tickets are available for booking. London Gatwick Airport (LGW) is where you'll step off the plane.

  • Keep your eyes peeled for promotions from Aurigny Air Services. This airline operates direct flights from Guernsey Airport to London.

  • When it comes to the on-time performance of Guernsey Airport, data shows 56.3% of flights arrive within the expected time frame.

How to find the cheapest flights from Guernsey Airport (GCI) to London

  • $72 is currently the best price for a one-way Guernsey Airport to London flight. Return plane tickets start from $210. These fares may change depending on availability.

  • Get cheap flights from GCI to London by booking three months ahead. Based on our research, that's the sweet spot for bagging a bargain.

  • Organise your trip for July. That's the best month for scoring an incredible deal on Guernsey Airport to London tickets. If you're flexible with your dates, use the 'Whole month' tool to find the cheapest price across every month.

  • Finding a cheap flight from GCI to London couldn't be easier with Price Alerts. All you need to do is create one of these automatic notifications and we'll let you know when a new discount appears.

  • Tailor your flights with filters. Select your preferred departure and arrival times, airlines and total journey duration. You can also sort the results by 'Best,' 'Fastest' or 'Cheapest' flights from Guernsey Airport to London.

Airports in London

London Heathrow Airport (LHR)

  • London Heathrow Airport (LHR) to the centre of London takes about 55 minutes by car. The centre is roughly 31 kilometres away.

  • It'll take around 1 hour if you're travelling on public transport.

  • The last thing you need is a long journey to your hotel if you're landing late on a flight from Guernsey Airport to London. Stay at one of these accommodation options near LHR instead:

  • Hit the road running by picking up a London Heathrow Airport rental car. Grab your wheels from Surprice, U-Save or Green Motion to explore London and beyond.

  • To secure the lowest price, book your ride from London Heathrow Airport around one week ahead of your flight from GCI to London.

London Gatwick Airport (LGW)

  • Central London is located around 80 kilometres from London Gatwick Airport (LGW). After your flight from Guernsey Airport to London has hit the runway and you've made your way through the terminal, the drive should take about 1 hour 20 minutes.

  • Travelling by public transport will take about 30 minutes.

  • After stepping off your GCI to London flight, unwind at a hotel near LGW. These are some comfortable accommodation options that'll help you sink into relaxation mode:

  • Green Motion, U-Save and Drivalia make collecting a London Gatwick Airport rental car simple. These trusted companies are located in or around the terminal and will have you on the road before long.

  • Snap up the best price by booking your ride from LGW three weeks in advance. You'll also have access to a wider selection of vehicles.

Stansted Airport (STN)

  • Set your sights on the city centre after your flight from Guernsey Airport to London has arrived. Central London is about 64 kilometres from Stansted Airport (STN) and takes roughly 1 hour to reach by taxi or ride-share.

  • The journey takes around 1 hour 25 minutes on public transport.

  • If you don't want to make the trip to the centre, choose a hotel close to STN. Settle in at one of these stays after your GCI to London flight:

  • Put yourself in the driver's seat of the next part of your trip by picking up a Stansted Airport rental car. Green Motion, Drivalia and Europcar are some companies you can book with.

  • If you're looking for a specific model or make, lock in your ride from STN about four weeks ahead of your flight from Guernsey Airport to London. This gives you a higher chance of getting the car you prefer, along with a better price.

Best time to go to London

  • Visit London in peak season if you want a busy atmosphere, but remember that hotel prices tend to be higher. Alternatively, book flights from Guernsey Airport to London during the off-season when prices are cheaper and it's quieter.

  • The warmest month in London is July, with temperatures ranging between 11ºC (52ºF) and 26ºC (79ºF). Book your Guernsey Airport to London plane ticket then if you enjoy this type of weather.

  • Look for cheap tickets from GCI to London in January if you like travelling in cooler conditions. Temperatures are at their lowest then, ranging between 0ºC (32ºF) and 9ºC (48ºF) on average.

More about London

  • Start your London trip off on the right foot by choosing the ideal place to stay. Once you've booked your flight from Guernsey Airport to London, explore our selection of hotels including:

  • There are so many things to explore in this city it can be hard to know where to begin. The British Museum, Big Ben and Buckingham Palace are top attractions which should feature on every London itinerary.

Explore more of United Kingdom

  • Birmingham is just one of the many places in United Kingdom waiting to be explored after you've experienced London. Around 161 kilometres away to the north-west, its best attractions include Cadbury World, The Library of Birmingham and National Sea Life Centre.

  • Around 177 kilometres west of London, Bristol is another essential stop in United Kingdom. Experience the best of this destination with a visit to Clifton Suspension Bridge, Cabot Tower and Brandon Hill Nature Park.

Prices shown on this page are estimated lowest prices only. Found in the last 12 days.