Cheap Flights from London Heathrow to Guernsey

Compare London Heathrow to Guernsey flight deals

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

Book the best Guernsey fare with no extra fees

Flight deals from London Heathrow to Guernsey

Looking for a cheap last-minute deal or the best return flight from London Heathrow to Guernsey? Find the lowest prices on one-way and return tickets right here.

Forest.R 2,988 per passenger.Departing Fri, 19 Sep.One-way flight with British Airways.Outbound indirect flight with British Airways, departs from London Heathrow on Fri, 19 Sep, arriving in Guernsey.Price includes taxes and charges.From R 2,988, select.

Forest.R 3,036 per passenger.Departing Thu, 2 Oct.One-way flight with British Airways.Outbound indirect flight with British Airways, departs from London Heathrow on Thu, 2 Oct, arriving in Guernsey.Price includes taxes and charges.From R 3,036, select.

Forest.R 3,250 per passenger.Departing Wed, 23 Jul.One-way flight with British Airways.Outbound indirect flight with British Airways, departs from London Heathrow on Wed, 23 Jul, arriving in Guernsey.Price includes taxes and charges.From R 3,250, select.

Forest.R 3,253 per passenger.Departing Tue, 26 Aug.One-way flight with British Airways.Outbound indirect flight with British Airways, departs from London Heathrow on Tue, 26 Aug, arriving in Guernsey.Price includes taxes and charges.From R 3,253, select.

Forest.R 3,308 per passenger.Departing Fri, 20 Jun.One-way flight with British Airways.Outbound indirect flight with British Airways, departs from London Heathrow on Fri, 20 Jun, arriving in Guernsey.Price includes taxes and charges.From R 3,308, select.

Forest.R 3,695 per passenger.Departing Sat, 31 May.One-way flight with British Airways.Outbound indirect flight with British Airways, departs from London Heathrow on Sat, 31 May, arriving in Guernsey.Price includes taxes and charges.From R 3,695, select.

Forest.R 3,759 per passenger.Departing Thu, 13 Nov.One-way flight with British Airways.Outbound indirect flight with British Airways, departs from London Heathrow on Thu, 13 Nov, arriving in Guernsey.Price includes taxes and charges.From R 3,759, select.

Forest.R 4,220 per passenger.Departing Mon, 15 Dec.One-way flight with British Airways.Outbound indirect flight with British Airways, departs from London Heathrow on Mon, 15 Dec, arriving in Guernsey.Price includes taxes and charges.From R 4,220, select.

Find the cheapest month to fly from London Heathrow to Guernsey

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

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London Heathrow to Guernsey: Alternative routes

Compare routes from London Heathrow to Forest below. You may find an airport to fly into that's cheaper, faster, or easier than Guernsey.

London to Forest: Flight information

The things to know before you go.

Cheapest flight found	R 2,988
Cheapest month to fly	September

Finding cheap flights from London Heathrow to Guernsey: Frequently asked questions

How much are return flights from London Heathrow to Guernsey?

The best price we found for a return flight from London Heathrow to Guernsey is R 6,695. 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.

Which airlines fly direct from London Heathrow to Guernsey?

Currently, there are no airlines that fly direct from London Heathrow to Guernsey. But we found flights with one or more stops from R 6,695.

How many flights are there a week from London Heathrow to Guernsey?

As of May 2025, there are no flights flying from London Heathrow to Guernsey.

When is the cheapest time to fly from London Heathrow to Guernsey?

The cheapest month to fly from London Heathrow to Guernsey is usually May 2025.

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

After crunching the numbers on our flight calendar, we found that it's currently cheapest to fly from London Heathrow Airport to Guernsey Airport on Tuesday, 20 January 2026.

Can I get a direct flight from London Heathrow Airport to Guernsey Airport?

No airlines currently offer direct flights between London Heathrow Airport and Guernsey Airport. Most routes have one or more stops.

How can I find the best flight deal to Guernsey?

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 Guernsey 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 Forest?

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

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

Currently, British Airways offers the cheapest flight tickets to Guernsey.

Travelling from London Heathrow Airport (LHR) to Guernsey Airport (GCI): what you need to know

Your LHR to GCI flight won't wait if you're late, so show up at the airport on time. Arrive up to one hour in advance for domestic flights and two hours ahead for international travel.
If you're jetting off during a bank holiday or other peak periods, give yourself extra time. A good rule is two hours before domestic flights and up to four hours before international departures. Security and check-in lines will be longer.
Pick a stopover if you'd love to break up your flight. Just deselect 'Direct flights only' to look at your options for tickets from London Heathrow Airport to Guernsey Airport. Jersey Airport is a popular stopover on the LHR to GCI route.

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

R 2,988 is the lowest price for a one-way London Heathrow Airport to Guernsey Airport flight. Return flights start from R 6,695. These prices may change depending on demand.
Don't wait until the last moment. You're more likely to find cheap tickets from LHR to GCI if you book in advance. Airlines often have some excellent early bird rates.
If you can be flexible with your travel plans, use the 'Whole month' search tool. It'll give you the lowest price in every month when looking for a flight from London Heathrow Airport to Guernsey Airport.
There's no need to check every day to find out if fares have gone down when you create a Price Alert. We'll notify you as soon as a special offer becomes available on cheap flights from LHR to GCI.
Lock in the perfect flight for you with the help of the filters. To see the 'Fastest,' 'Best' or 'Cheapest' flights from London Heathrow Airport to Guernsey Airport, use the 'Sort by' tool. You can also filter results by arrival and departure times, airline, and number of stops.

Handy information about London Heathrow Airport (LHR)

When it comes to the on-time performance of London Heathrow Airport, 68.18% of flights arrive within the expected timeframe.
To get to London Heathrow Airport from central London, it takes about 55 minutes by car. This depends on traffic, however. It's approximately 31 kilometres from the airport to the city centre.
Planning to take public transport? You can expect a journey time of around 1 hour.
Get your journey off to a leisurely start by staying near LHR. Whether you've booked an early flight from London Heathrow Airport to Guernsey Airport or just don't want to be rushed, these hotels are perfect: