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Cheap flights from London Heathrow Airport to Guernsey from £192

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from London Heathrow Airport to Guernsey departing on 1/12. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
0 bags
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Find the cheapest flights from London Heathrow Airport to Guernsey

Cheap return flights

Enter your travel dates to find the best prices.
Multiple Airlines Logo
06:20 - 16:55LHR-GCI
10h 35m1 stop
Multiple Airlines Logo
13:30 - 21:25GCI-LHR
7h 55m1 stop
£280Multiple Airlines
Find Deal
Mon, 1 Dec - Mon, 8 Dec
Multiple Airlines Logo
06:20 - 14:10LHR-GCI
7h 50m1 stop
Multiple Airlines Logo
13:30 - 21:25GCI-LHR
7h 55m1 stop
£329Multiple Airlines
Find Deal
Fri, 5 Dec - Mon, 8 Dec
Multiple Airlines Logo
11:30 - 16:55LHR-GCI
5h 25m1 stop
Multiple Airlines Logo
12:50 - 21:05GCI-LHR
8h 15m2 stops
£380Multiple Airlines
Find Deal
Mon, 1 Dec - Mon, 8 Dec
Multiple Airlines Logo
13:20 - 14:10LHR-GCI
24h 50m2 stops
Multiple Airlines Logo
13:30 - 21:25GCI-LHR
7h 55m1 stop
£411Multiple Airlines
Find Deal
Thu, 20 Nov - Mon, 24 Nov
Multiple Airlines Logo
13:20 - 14:10LHR-GCI
24h 50m2 stops
Multiple Airlines Logo
13:30 - 16:00GCI-LHR
26h 30m2 stops
£458Multiple Airlines
Find Deal
Thu, 20 Nov - Mon, 24 Nov
Multiple Airlines Logo
07:50 - 20:45LHR-GCI
12h 55m2 stops
Multiple Airlines Logo
07:10 - 21:05GCI-LHR
13h 55m2 stops
£499Multiple Airlines
Find Deal
Fri, 5 Dec - Mon, 8 Dec
Multiple Airlines Logo
10:55 - 20:45LHR-GCI
9h 50m2 stops
Multiple Airlines Logo
07:30 - 21:05GCI-LHR
13h 35m2 stops
£502Multiple Airlines
Find Deal
Sun, 30 Nov - Sun, 7 Dec
Multiple Airlines Logo
07:50 - 16:00LHR-GCI
8h 10m2 stops
Multiple Airlines Logo
12:50 - 21:05GCI-LHR
8h 15m2 stops
£510Multiple Airlines
Find Deal
Mon, 1 Dec - Mon, 8 Dec
Multiple Airlines Logo
07:50 - 16:00LHR-GCI
32h 10m2 stops
Multiple Airlines Logo
12:50 - 21:05GCI-LHR
8h 15m2 stops
£516Multiple Airlines
Find Deal
Sun, 16 Nov - Thu, 20 Nov
Multiple Airlines Logo
17:50 - 10:45LHR-GCI
16h 55m2 stops
Multiple Airlines Logo
07:30 - 08:05GCI-LHR
24h 35m2 stops
£534Multiple Airlines
Find Deal
Thu, 11 Dec - Sun, 14 Dec

momondo Fare Finder

 
Customise your flight search to find flights from London Heathrow Airport to Guernsey that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, momondo users made 279,928 searches. Data last updated 3 November 2025.
Use the filters below to find and compare flights from London Heathrow Airport to Guernsey that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

LondonSaint Peter Port

LHR - GCI

LHRGCI

London Heathrow

Mon 1/12

06:20-16:55

1 stop10h 35m

Saint Peter Port Guernsey

Mon 8/12

13:30-21:25

1 stop7h 55m

£280

LondonSaint Peter Port

LHR - GCI

LHRGCI

London Heathrow

Fri 5/12

06:20-14:10

1 stop7h 50m

Saint Peter Port Guernsey

Mon 8/12

13:30-21:25

1 stop7h 55m

£329

LondonSaint Peter Port

LHR - GCI

LHRGCI

London Heathrow

Mon 1/12

11:30-16:55

1 stop5h 25m

Saint Peter Port Guernsey

Mon 8/12

12:50-21:05

2 stops8h 15m

£380

LondonSaint Peter Port

LHR - GCI

LHRGCI

London Heathrow

Thu 20/11

13:20-14:10

2 stops24h 50m

Saint Peter Port Guernsey

Mon 24/11

13:30-21:25

1 stop7h 55m

£411

LondonSaint Peter Port

LHR - GCI

LHRGCI

London Heathrow

Thu 20/11

13:20-14:10

2 stops24h 50m

Saint Peter Port Guernsey

Mon 24/11

13:30-16:00

2 stops26h 30m

£458

LondonSaint Peter Port

LHR - GCI

LHRGCI

London Heathrow

Fri 5/12

07:50-20:45

2 stops12h 55m

Saint Peter Port Guernsey

Mon 8/12

07:10-21:05

2 stops13h 55m

£499

LondonSaint Peter Port

LHR - GCI

LHRGCI

London Heathrow

Sun 30/11

10:55-20:45

2 stops9h 50m

Saint Peter Port Guernsey

Sun 7/12

07:30-21:05

2 stops13h 35m

£502

LondonSaint Peter Port

LHR - GCI

LHRGCI

London Heathrow

Mon 1/12

07:50-16:00

2 stops8h 10m

Saint Peter Port Guernsey

Mon 8/12

12:50-21:05

2 stops8h 15m

£510

LondonSaint Peter Port

LHR - GCI

LHRGCI

London Heathrow

Sun 16/11

07:50-16:00

2 stops32h 10m

Saint Peter Port Guernsey

Thu 20/11

12:50-21:05

2 stops8h 15m

£516

LondonSaint Peter Port

LHR - GCI

LHRGCI

London Heathrow

Thu 11/12

17:50-10:45

2 stops16h 55m

Saint Peter Port Guernsey

Sun 14/12

07:30-08:05

2 stops24h 35m

£534

Flights are sorted by cheapest return flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to Guernsey from

How to get the cheapest flight ticket from London Heathrow Airport to Guernsey

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the cheapest month to fly to Guernsey?

If you’re not able to fly to Guernsey in March, then December is your next best option. Flight prices from London Heathrow Airport to Guernsey during December average around £156.

What is the cheapest day to depart on your flight to Guernsey?

The cheapest day to depart from London Heathrow Airport to Guernsey is on a Thursday. Travellers who choose to depart for Guernsey on a Thursday will often find tickets for as low as £128. Flights from London Heathrow Airport to Guernsey on a Monday will generally be more expensive and average around £199. Keep in mind that these prices on both days could fluctuate depending on the season and the demand.

What is the cheapest time of day to depart on your flight to Guernsey?

Flying to Guernsey from London Heathrow Airport in the morning is the least expensive time of day to depart. momondo users have found prices as low as £153 when looking at flights departing in the morning. If you have a flexible travel schedule, then try to avoid flying in the afternoon when prices are £196 on average. Flights to Guernsey from London Heathrow Airport in the afternoon are generally more expensive because this time of day is more convenient for travellers’ schedules.

Cheap London Heathrow Airport to Guernsey flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from London Heathrow Airport to Guernsey

Direct flights

None
There are no direct flights from London Heathrow Airport to Guernsey. There are no popular flight routes from London Heathrow Airport to Guernsey.
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  • When did momondo last update prices for flights from London Heathrow Airport to Guernsey?

    Prices for flights from London Heathrow Airport to Guernsey are refreshed on a daily basis.

  • How many operators does momondo search for flights from London Heathrow Airport to Guernsey?

  • How old do you have to be to fly from London Heathrow Airport to Guernsey?

    Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from London Heathrow Airport to Guernsey.

  • What documentation or ID do you need to fly to Guernsey?

    The necessary travel and health documents for your Guernsey trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

Best airlines flying from London Heathrow Airport to Guernsey

Compare and see reviews for airlines that fly from London Heathrow Airport to Guernsey with momondo
Airline
Rating
Free Cancellation
Price
Aurigny AirPriceFrom £121Free CancellationRating
8.2
10 reviews
Search Aurigny Air flights

Why use momondo?

Why should I use momondo to find a flight deal from London to Guernsey?

It is quick and easy to find London to Guernsey flights on momondo. We search and return numerous flight options from various airlines and agents. You can then use our filters to narrow your search until you have found the most convenient flight to Guernsey that suits you.

Can I find flights from London to Guernsey with flexible booking policies on momondo?

Yes. All flights to Guernsey from London on momondo can be compared and filtered by various policies on offer, including flexible booking.

How can momondo help me find flights from London to Guernsey?

Once all potential London to Guernsey flight options are in front of you, momondo lets you sort and filter flights based on preferences such as airline, price and flight times amongst many other options.

I’m not ready to book a flight from London to Guernsey right now. Can momondo alert me if prices change?

Of course. momondo tracks the price of London to Guernsey flights. All you need is a valid email address and we will do the rest; it is that quick and easy.

An easier way to manage your Guernsey trip

We make it super easy to schedule, organise and travel with friends or family. Trips is free – and available to use no matter where you book.
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Find better results for your trip to Guernsey

Popular Cities in Guernsey

Popular flights according to clicks in the last 7 days on momondo
Flights to Saint Peter Portfrom £116