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 Airport to Guernsey Airport? If you want to travel next month, return fares start from R 3,097. Find the lowest prices on one-way and return tickets right here.

Forest.R 1,428 per passenger.Departing Mon, 8 Feb.One-way flight with British Airways.Outbound direct flight with British Airways departs from London Heathrow on Mon, 8 Feb, arriving in Guernsey.Price includes taxes and charges.From R 1,428, select.

Forest.R 1,430 per passenger.Departing Sat, 12 Dec.One-way flight with British Airways.Outbound direct flight with British Airways departs from London Heathrow on Sat, 12 Dec, arriving in Guernsey.Price includes taxes and charges.From R 1,430, select.

Forest.R 1,437 per passenger.Departing Fri, 13 Nov.One-way flight with British Airways.Outbound direct flight with British Airways departs from London Heathrow on Fri, 13 Nov, arriving in Guernsey.Price includes taxes and charges.From R 1,437, select.

Forest.R 1,437 per passenger.Departing Tue, 5 Jan.One-way flight with British Airways.Outbound direct flight with British Airways departs from London Heathrow on Tue, 5 Jan, arriving in Guernsey.Price includes taxes and charges.From R 1,437, select.

Forest.R 1,437 per passenger.Departing Wed, 17 Mar.One-way flight with British Airways.Outbound direct flight with British Airways departs from London Heathrow on Wed, 17 Mar, arriving in Guernsey.Price includes taxes and charges.From R 1,437, select.

Forest.R 1,439 per passenger.Departing Sat, 3 Oct.One-way flight with British Airways.Outbound direct flight with British Airways departs from London Heathrow on Sat, 3 Oct, arriving in Guernsey.Price includes taxes and charges.From R 1,439, select.

Forest.R 1,452 per passenger.Departing Fri, 2 Apr.One-way flight with British Airways.Outbound direct flight with British Airways departs from London Heathrow on Fri, 2 Apr, arriving in Guernsey.Price includes taxes and charges.From R 1,452, select.

Forest.R 1,532 per passenger.Departing Sat, 26 Sep.One-way flight with British Airways.Outbound direct flight with British Airways departs from London Heathrow on Sat, 26 Sep, arriving in Guernsey.Price includes taxes and charges.From R 1,532, select.

Forest.R 1,533 per passenger.Departing Sun, 23 May.One-way flight with British Airways.Outbound direct flight with British Airways departs from London Heathrow on Sun, 23 May, arriving in Guernsey.Price includes taxes and charges.From R 1,533, select.

Forest.R 1,544 per passenger.Departing Sun, 23 Aug.One-way flight with British Airways.Outbound direct flight with British Airways departs from London Heathrow on Sun, 23 Aug, arriving in Guernsey.Price includes taxes and charges.From R 1,544, select.

Forest.R 2,169 per passenger.Departing Tue, 28 Jul.One-way flight with British Airways.Outbound direct flight with British Airways departs from London Heathrow on Tue, 28 Jul, arriving in Guernsey.Price includes taxes and charges.From R 2,169, 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 February.

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Direct flights from London Heathrow to Guernsey

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.

Guernsey

1km from central Forest

ClosestCheapest

from R 1,428

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Alderney

42km from central Forest

from R 5,614

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London to Forest: Flight information

The things to know before you go.

Cheapest flight found	R 1,414
Cheapest month to fly	February
Average flight time	1 hr
Most popular airline	Qatar Airways
Average flights per week	12

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 2,172. 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 London Heathrow to Guernsey?

1 hour is the average flight time from London Heathrow to Guernsey.

Which airlines fly direct from London Heathrow to Guernsey?

Qatar Airways and British Airways fly direct from London Heathrow to Guernsey.

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

As of July 2026, there are 12 flights per week 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 January.

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 Friday, 8 January 2027.

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

Yes – the average flight time is 1 hour.

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

Around 1 hour is how long you can expect to be travelling on a direct flight from London Heathrow Airport to Guernsey Airport.
Every week, there are seven London Heathrow Airport to Guernsey Airport flights.
Your LHR to GCI flight won't wait if you're running 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.
Longer lines at check-in and security are likely if you're heading away during high season, so give yourself a bit more breathing room. A good rule of thumb for peak periods? Get there up to four hours ahead for international flights and two hours for domestic departures.
The airline that serves the most passengers on this route is British Airways.
Choose a stopover if you'd love to break up your flight. Just uncheck 'Direct flights only' to look at all 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)

Currently, R 1,428 is the cheapest price we've seen for a one-way London Heathrow Airport to Guernsey Airport flight. The best price for a return ticket is R 2,172. Keep in mind that fares can change due to availability at the time of booking.
It's often best to book as early as possible if you're looking for cheap tickets from LHR to GCI. That's because airlines change prices based on demand, which tends to increase closer to the date of departure.
Finding cheap flights from London Heathrow Airport to Guernsey Airport is easier if you're flexible with your travel plans. Use the 'Whole month' search function to see the best prices across each month and score a great deal.
You won't have to check back in every day to find out if fares have gone down when you set up a Price Alert. We'll send you an update the moment the price changes on cheap flights from LHR to GCI.
Pick your ideal departure and arrival times, number of stops and airlines with the filters. Alternatively, sort your results by 'Cheapest' to find the best deals on flights from London Heathrow Airport to Guernsey Airport.

Handy information about London Heathrow Airport (LHR)

78% of flights leaving from London Heathrow Airport arrive at their destination on schedule.
To reach London Heathrow Airport from central London, it takes about 45 minutes by car. This depends on traffic, however. It's approximately 24 kilometres from the airport to the city centre.
You can expect a journey time of around 25 minutes when using public transport.
Searching for a handy hotel close to LHR? If you're catching an early flight from London Heathrow Airport to Guernsey Airport, these stays will put you moments from check-in:

Arriving at Guernsey Airport (GCI)

The last thing you need is a long journey to your hotel if you're arriving on a late London Heathrow Airport to Guernsey Airport flight. Stay at one of these accommodation options near GCI instead:
Venture beyond Forest and head to places that many travellers miss with your own set of wheels. You can grab a Guernsey Airport rental car from providers like Europcar or Hertz.
Reserve your vehicle from Guernsey Airport at least a few weeks in advance to get the best possible rate. If you're going away during peak season, it's a smart idea to book even earlier.