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Cheap flights from London Heathrow to Guernsey

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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 round-trip flight from London Heathrow to Guernsey? Find the lowest prices on one-way and round-trip tickets right here.
Forest.$372 per passenger.Departing Tue, Jan 20, returning Sat, Jan 24.Round-trip flight with British Airways and Blue Islands.Outbound indirect flight with British Airways, departing from London Heathrow on Tue, Jan 20, arriving in Guernsey.Inbound indirect flight with Blue Islands, departing from Guernsey on Sat, Jan 24, arriving in London Heathrow.Price includes taxes and charges.From $372, select.
Forest.$376 per passenger.Departing Fri, Aug 29, returning Sat, Aug 30.Round-trip flight with British Airways and Aurigny.Outbound indirect flight with British Airways, departing from London Heathrow on Fri, Aug 29, arriving in Guernsey.Inbound indirect flight with Aurigny, departing from Guernsey on Sat, Aug 30, arriving in London Heathrow.Price includes taxes and charges.From $376, select.
Forest.$379 per passenger.Departing Thu, Feb 5, returning Mon, Feb 9.Round-trip flight with British Airways and Blue Islands.Outbound indirect flight with British Airways, departing from London Heathrow on Thu, Feb 5, arriving in Guernsey.Inbound indirect flight with Blue Islands, departing from Guernsey on Mon, Feb 9, arriving in London Heathrow.Price includes taxes and charges.From $379, select.
Forest.$379 per passenger.Departing Mon, Sep 8, returning Wed, Sep 10.Round-trip flight with British Airways and Blue Islands.Outbound indirect flight with British Airways, departing from London Heathrow on Mon, Sep 8, arriving in Guernsey.Inbound indirect flight with Blue Islands, departing from Guernsey on Wed, Sep 10, arriving in London Heathrow.Price includes taxes and charges.From $379, select.
Forest.$379 per passenger.Departing Tue, Oct 21, returning Fri, Nov 7.Round-trip flight with British Airways and Blue Islands.Outbound indirect flight with British Airways, departing from London Heathrow on Tue, Oct 21, arriving in Guernsey.Inbound indirect flight with Blue Islands, departing from Guernsey on Fri, Nov 7, arriving in London Heathrow.Price includes taxes and charges.From $379, select.
Forest.$386 per passenger.Departing Wed, Jul 2, returning Tue, Jul 8.Round-trip flight with British Airways and Aurigny.Outbound indirect flight with British Airways, departing from London Heathrow on Wed, Jul 2, arriving in Guernsey.Inbound indirect flight with Aurigny, departing from Guernsey on Tue, Jul 8, arriving in London Heathrow.Price includes taxes and charges.From $386, select.
Forest.$389 per passenger.Departing Fri, Nov 7, returning Sun, Nov 9.Round-trip flight with British Airways and Blue Islands.Outbound indirect flight with British Airways, departing from London Heathrow on Fri, Nov 7, arriving in Guernsey.Inbound indirect flight with Blue Islands, departing from Guernsey on Sun, Nov 9, arriving in London Heathrow.Price includes taxes and charges.From $389, select.
Forest.$399 per passenger.Departing Thu, Jun 26, returning Tue, Jul 1.Round-trip flight with British Airways and Aurigny.Outbound indirect flight with British Airways, departing from London Heathrow on Thu, Jun 26, arriving in Guernsey.Inbound indirect flight with Aurigny, departing from Guernsey on Tue, Jul 1, arriving in London Heathrow.Price includes taxes and charges.From $399, 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 January.
May
from $628
Jun
from $413
Jul
from $386
Aug
from $376
Sep
from $379
Oct
from $456
Nov
from $389
Dec
Find prices
Jan
from $372
Feb
from $379
Mar
Find prices
Apr
Find prices

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$372
Cheapest month to flyJanuary

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

The best price we found for a round-trip flight from London Heathrow to Guernsey is $372. 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.
Currently, there are no airlines that fly direct from London Heathrow to Guernsey. But we found flights with one or more stops from $372.
There are no flights flying from London Heathrow to Guernsey, as of May 2025.
The cheapest month to fly from London Heathrow to Guernsey is usually May 2025.
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, January 20, 2026.
No airlines currently offer direct flights between London Heathrow Airport and Guernsey Airport. Most routes have one or more stops.
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.
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.
Currently, British Airways offers the cheapest flight tickets to Guernsey.

Traveling 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 public 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)

  • $166 is the lowest price for a one-way London Heathrow Airport to Guernsey Airport flight. Return flights start from $372. 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 kilometers from the airport to the city center.

  • 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:

Plan the rest of your trip from London to Forest

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