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Cheap flights from London to Guernsey from £63

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 to Guernsey departing on 21/7. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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Find the cheapest flights from London to Guernsey

Cheap return flights

Enter your travel dates to find the best prices.
British Airways Logo
11:55 - 12:55
LHR
-
GCI
1h 00mdirect
British Airways Logo
13:45 - 14:50
GCI
-
LHR
1h 05mdirect
£75British Airways
Wed, 26 Aug - Sun, 30 Aug
British Airways Logo
11:55 - 12:55
LHR
-
GCI
1h 00mdirect
British Airways Logo
13:45 - 14:50
GCI
-
LHR
1h 05mdirect
£94British Airways
Wed, 20 May - Sun, 24 May
British Airways Logo
11:55 - 12:55
LHR
-
GCI
1h 00mdirect
British Airways Logo
13:45 - 14:50
GCI
-
LHR
1h 05mdirect
£97British Airways
Tue, 19 May - Sun, 24 May
British Airways Logo
11:55 - 12:55
LHR
-
GCI
1h 00mdirect
British Airways Logo
13:45 - 14:50
GCI
-
LHR
1h 05mdirect
£98British Airways
Sat, 6 Jun - Sat, 13 Jun
British Airways Logo
11:55 - 12:55
LHR
-
GCI
1h 00mdirect
British Airways Logo
13:45 - 14:50
GCI
-
LHR
1h 05mdirect
£100British Airways
Thu, 4 Jun - Mon, 8 Jun
Aurigny Air Logo
08:35 - 09:40
LGW
-
GCI
1h 05mdirect
Aurigny Air Logo
13:20 - 14:20
GCI
-
LGW
1h 00mdirect
£119Aurigny Air
Wed, 29 Apr - Sun, 3 May
Aurigny Air Logo
08:35 - 09:40
LGW
-
GCI
1h 05mdirect
Aurigny Air Logo
13:20 - 14:20
GCI
-
LGW
1h 00mdirect
£120Aurigny Air
Sun, 3 May - Sun, 3 May
Aurigny Air Logo
19:40 - 20:50
LGW
-
GCI
1h 10mdirect
Aurigny Air Logo
06:55 - 07:55
GCI
-
LGW
1h 00mdirect
£126Aurigny Air
Fri, 28 Aug - Mon, 31 Aug
Aurigny Air Logo
18:25 - 19:35
LGW
-
GCI
1h 10mdirect
Aurigny Air Logo
06:55 - 07:55
GCI
-
LGW
1h 00mdirect
£127Aurigny Air
Thu, 27 Aug - Sun, 30 Aug
Multiple Airlines Logo
06:30 - 13:15
STN
-
GCI
6h 45m
1 stop
Multiple Airlines Logo
09:25 - 21:20
GCI
-
STN
11h 55m
1 stop
£171Multiple Airlines
Tue, 12 May - Tue, 19 May

Aurigny Air flights from London to Guernsey

Our best Aurigny Air deals on London to Guernsey flight tickets
Aurigny Air
29 Apr
LGW08:35London Gatwick
1h 05m
GCI09:40Saint Peter Port Guernsey
3 May
GCI13:20Saint Peter Port Guernsey
1h 00m
LGW14:20London Gatwick
£119
Aurigny Air
3 May
LGW08:35London Gatwick
1h 05m
GCI09:40Saint Peter Port Guernsey
3 May
GCI13:20Saint Peter Port Guernsey
1h 00m
LGW14:20London Gatwick
£120
Aurigny Air
28 Aug
LGW19:40London Gatwick
1h 10m
GCI20:50Saint Peter Port Guernsey
31 Aug
GCI06:55Saint Peter Port Guernsey
1h 00m
LGW07:55London Gatwick
£126

British Airways flights from London to Guernsey

Our best British Airways deals on London to Guernsey flight tickets
British Airways
26 Aug
LHR11:55London Heathrow
1h 00m
GCI12:55Saint Peter Port Guernsey
30 Aug
GCI13:45Saint Peter Port Guernsey
1h 05m
LHR14:50London Heathrow
£75
British Airways
20 May
LHR11:55London Heathrow
1h 00m
GCI12:55Saint Peter Port Guernsey
24 May
GCI13:45Saint Peter Port Guernsey
1h 05m
LHR14:50London Heathrow
£94
British Airways
19 May
LHR11:55London Heathrow
1h 00m
GCI12:55Saint Peter Port Guernsey
24 May
GCI13:45Saint Peter Port Guernsey
1h 05m
LHR14:50London Heathrow
£97

momondo Fare Finder

 
Customise your flight search to find flights from London 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 17 April 2026.
Use the filters below to find and compare flights from London to Guernsey that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight
Fastest return journey

LondonSaint Peter Port

LHR - GCI

LHRGCI

London Heathrow

Wed 26/8

11:55-12:55

Nonstop1h 00m

Saint Peter Port Guernsey

Sun 30/8

13:45-14:50

Nonstop1h 05m

£75

LondonSaint Peter Port

LHR - GCI

LHRGCI

London Heathrow

Wed 20/5

11:55-12:55

Nonstop1h 00m

Saint Peter Port Guernsey

Sun 24/5

13:45-14:50

Nonstop1h 05m

£94

LondonSaint Peter Port

LHR - GCI

LHRGCI

London Heathrow

Tue 19/5

11:55-12:55

Nonstop1h 00m

Saint Peter Port Guernsey

Sun 24/5

13:45-14:50

Nonstop1h 05m

£97

LondonSaint Peter Port

LHR - GCI

LHRGCI

London Heathrow

Sat 6/6

11:55-12:55

Nonstop1h 00m

Saint Peter Port Guernsey

Sat 13/6

13:45-14:50

Nonstop1h 05m

£98

LondonSaint Peter Port

LHR - GCI

LHRGCI

London Heathrow

Thu 4/6

11:55-12:55

Nonstop1h 00m

Saint Peter Port Guernsey

Mon 8/6

13:45-14:50

Nonstop1h 05m

£100

LondonSaint Peter Port

LGW - GCI

LGWGCI

London Gatwick

Wed 29/4

08:35-09:40

Nonstop1h 05m

Saint Peter Port Guernsey

Sun 3/5

13:20-14:20

Nonstop1h 00m

£119

LondonSaint Peter Port

LGW - GCI

LGWGCI

London Gatwick

Sun 3/5

08:35-09:40

Nonstop1h 05m

Saint Peter Port Guernsey

Sun 3/5

13:20-14:20

Nonstop1h 00m

£120

LondonSaint Peter Port

LGW - GCI

LGWGCI

London Gatwick

Fri 28/8

19:40-20:50

Nonstop1h 10m

Saint Peter Port Guernsey

Mon 31/8

06:55-07:55

Nonstop1h 00m

£126

LondonSaint Peter Port

LGW - GCI

LGWGCI

London Gatwick

Thu 27/8

18:25-19:35

Nonstop1h 10m

Saint Peter Port Guernsey

Sun 30/8

06:55-07:55

Nonstop1h 00m

£127

LondonSaint Peter Port

STN - GCI

STNGCI

London Stansted

Tue 12/5

06:30-13:15

1 stop6h 45m

Saint Peter Port Guernsey

Tue 19/5

09:25-21:20

1 stop11h 55m

£171

Flights are sorted by cheapest return flights first.

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

How to get the cheapest flight ticket from London 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 January, then April is your next best option. Flight prices from London to Guernsey during April average around £154.

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

The cheapest day to depart from London to Guernsey is on a Wednesday. Travellers who choose to depart for Guernsey on a Wednesday will often find tickets for as low as £98. Flights from London to Guernsey on a Thursday will generally be more expensive and average around £121. Keep in mind that these prices on both days could fluctuate depending on the season and the demand.

What is the cheapest London to Guernsey flight route?

Fly from London Heathrow to Saint Peter Port Guernsey for the best London - Guernsey flight prices

What cabin class options are available on London to Guernsey flights?

There are 2 cabin classes available to choose from on London to Guernsey flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

Can stopping save me money on London to Guernsey flights?

No. A direct flight is the cheapest option for a flight between London to Guernsey.

Cheap London to Guernsey flight deals and tips

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

Best price found

£79

Fastest flight time

1h 00m

Direct flights

Every day

Airports in Guernsey

4 airports
The best one-way flight to Guernsey from London in the past 72 hours is £79. The best return flight deal from London to Guernsey found on momondo in the last 72 hours is £98.
The fastest flight from London to Guernsey takes 1h 00m
Direct flights go from London to Guernsey every day.
There are 4 airports in Guernsey. From London there are direct flights to Saint Peter Port Guernsey (GCI).
Search flight deals

Frequently asked questions about flying from London to Guernsey

  • When did momondo last update prices for flights from London to Guernsey?

    Prices for flights from London to Guernsey refresh daily.

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

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

    The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from London 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.

  • What is the most popular plane model from London to Guernsey?

Best airlines flying from London to Guernsey

Compare and see reviews for airlines that fly from London to Guernsey with momondo
Airline
Rating
Free Cancellation
Price
British AirwaysPriceFrom £83Free CancellationRating
6.7
7,890 reviews
Search British Airways flights
Aurigny AirPriceFrom £112Free CancellationRating
8.7
14 reviews
Search Aurigny Air flights

Why use momondo?

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

Finding the right flight to Guernsey from London is quick and easy when you have a range of options in front of you, from reputable agents and recognisable airlines. Options that can then be filtered down to find the best fit. That is what momondo does. We make finding flights to Guernsey quick and easy, saving you time and money.

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

Flights from London to Guernsey with flexible booking policies can be found by using the search form above and then selecting our dedicated flexible booking filter, which will highlight only the flights where this policy is applied.

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

Once you have performed a search for London to Guernsey flights, momondo helps you find the right one by offering useful filters to narrow down your flight selection. Flights can be filtered by multiple factors such as airline, airport and price; but also by other criteria like aircraft type and payment method.

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.
Start using Trips
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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 £95