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Cheap flights from Guernsey to London from £45

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 18/8. Fares are subject to change and may not be available on all flights or dates of travel.
GCI — LON
31 Jul — 7 Aug1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Guernsey to London

Enter your travel dates to find the best prices.

Cheapest flights from Guernsey to London
Explore the most affordable flight options available from Guernsey to London. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 1 July 2026.

Wed 1/718:10
GCI
-
LGW
Nonstop1h 00m
Aurigny Air
Thu 2/711:05
LGW
-
GCI
Nonstop1h 05m
Aurigny Air
Deal found 29/6£110
Sat 8/816:45
GCI
-
LGW
Nonstop1h 00m
Aurigny Air
Sun 23/816:25
LGW
-
GCI
Nonstop1h 05m
Aurigny Air
Deal found 29/6£116
Tue 28/709:25
GCI
-
LGW
Nonstop1h 00m
Aurigny Air
Tue 4/811:55
LGW
-
GCI
Nonstop1h 05m
Aurigny Air
Deal found 30/6£118
Wed 5/818:10
GCI
-
LGW
Nonstop1h 00m
Aurigny Air
Wed 12/808:35
LGW
-
GCI
Nonstop1h 05m
Aurigny Air
Deal found 30/6£119
Wed 19/818:10
GCI
-
LGW
Nonstop1h 00m
Aurigny Air
Sun 23/808:35
LGW
-
GCI
Nonstop1h 05m
Aurigny Air
Deal found 28/6£121
Fri 11/918:10
GCI
-
LGW
Nonstop1h 00m
Aurigny Air
Wed 16/919:40
LGW
-
GCI
Nonstop1h 10m
Aurigny Air
Deal found 28/6£125
Wed 12/810:15
GCI
-
LGW
Nonstop1h 05m
Aurigny Air
Wed 19/808:35
LGW
-
GCI
Nonstop1h 05m
Aurigny Air
Deal found 28/6£125
Wed 12/818:10
GCI
-
LGW
Nonstop1h 00m
Aurigny Air
Thu 13/816:25
LGW
-
GCI
Nonstop1h 05m
Aurigny Air
Deal found 28/6£134
Thu 16/710:15
GCI
-
LGW
Nonstop1h 05m
Aurigny Air
Sun 19/708:35
LGW
-
GCI
Nonstop1h 05m
Aurigny Air
Deal found 27/6£135
Fri 16/1017:30
GCI
-
LCY
Nonstop1h 20m
Aurigny Air
Sun 18/1019:20
LCY
-
GCI
Nonstop1h 20m
Aurigny Air
Deal found 29/6£140
Wed 5/817:30
GCI
-
LCY
Nonstop1h 20m
Aurigny Air
Wed 12/819:20
LCY
-
GCI
Nonstop1h 20m
Aurigny Air
Deal found 29/6£143
Wed 19/817:30
GCI
-
LCY
Nonstop1h 20m
Aurigny Air
Sun 23/819:20
LCY
-
GCI
Nonstop1h 20m
Aurigny Air
Deal found 28/6£146

Find flight deals from Guernsey to London

Keep the following information in mind while searching for Guernsey to London flight deals. Data was last updated 1 July 2026.

Round-trip from

£116

One-way from

£45

Popular in

September

Cheapest in

June

Average price

£200

Good round-trip deal

£134 or less

Good one-way deal

£54 or less
Aurigny Air
  • Aurigny Air
  • 8/8-23/8
  • Nonstop
  • 2h 05m total
  • Guernsey to London
Search Deals
Aurigny Air
  • Aurigny Air
  • 18/8
  • Nonstop
  • 1h 00m total
  • Guernsey to London
Search Deals
Highest demand for flights based on searches. 9% potential increase in price (£14 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease (£6 potential savings vs. average return price).
Search Deals
Average for round-trip flights in July 2026
Search Deals
Price to beat on a round-trip flight from Guernsey to London (LON).
Search Deals
Price to beat on a one-way flight from Guernsey to London (LON).
Search Deals

Cheapflights Fare Finder

 
Customise your flight search to find flights from Guernsey to London 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, Cheapflights users made 858,174 searches. Data last updated 1 July 2026.
Use the filters below to find and compare flights from Guernsey to London that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight
Fastest return journey

Saint Peter PortLondon

GCI - LGW

GCILGW

Saint Peter Port Guernsey

Sat 8/8

16:45-17:45

Nonstop1h 00m

London Gatwick

Sun 23/8

16:25-17:30

Nonstop1h 05m

£116

Saint Peter PortLondon

GCI - LGW

GCILGW

Saint Peter Port Guernsey

Wed 5/8

18:10-19:10

Nonstop1h 00m

London Gatwick

Wed 12/8

08:35-09:40

Nonstop1h 05m

£119

Saint Peter PortLondon

GCI - LGW

GCILGW

Saint Peter Port Guernsey

Wed 19/8

18:10-19:10

Nonstop1h 00m

London Gatwick

Sun 23/8

08:35-09:40

Nonstop1h 05m

£121

Saint Peter PortLondon

GCI - LGW

GCILGW

Saint Peter Port Guernsey

Fri 16/10

18:10-19:10

Nonstop1h 00m

London Gatwick

Sun 18/10

08:35-09:40

Nonstop1h 05m

£125

Saint Peter PortLondon

GCI - LGW

GCILGW

Saint Peter Port Guernsey

Fri 11/9

18:10-19:10

Nonstop1h 00m

London Gatwick

Wed 16/9

19:40-20:50

Nonstop1h 10m

£125

Saint Peter PortLondon

GCI - LGW

GCILGW

Saint Peter Port Guernsey

Wed 12/8

10:15-11:20

Nonstop1h 05m

London Gatwick

Wed 19/8

08:35-09:40

Nonstop1h 05m

£125

Saint Peter PortLondon

GCI - LGW

GCILGW

Saint Peter Port Guernsey

Tue 28/7

18:10-19:10

Nonstop1h 00m

London Gatwick

Tue 4/8

11:05-12:10

Nonstop1h 05m

£133

Saint Peter PortLondon

GCI - LGW

GCILGW

Saint Peter Port Guernsey

Wed 12/8

18:10-19:10

Nonstop1h 00m

London Gatwick

Thu 13/8

16:25-17:30

Nonstop1h 05m

£134

Saint Peter PortLondon

GCI - LGW

GCILGW

Saint Peter Port Guernsey

Thu 20/8

18:10-19:10

Nonstop1h 00m

London Gatwick

Sun 23/8

16:25-17:30

Nonstop1h 05m

£135

Saint Peter PortLondon

GCI - LGW

GCILGW

Saint Peter Port Guernsey

Thu 16/7

10:15-11:20

Nonstop1h 05m

London Gatwick

Sun 19/7

08:35-09:40

Nonstop1h 05m

£135

Flights are sorted by cheapest return flights first.

Deals found on 27/6

Showing 1-10 of 60 resultsSorted by cheapest first
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Best time to book a flight from Guernsey to London

Have a flexible travel schedule? Discover the best time to fly to London from Guernsey with our price prediction graph.
Estimated return price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Guernsey to London

What is the cheapest month to book a flight from Guernsey to London?

Currently, May is the cheapest month in which you can book a flight from Guernsey to London (average of £96). Flying from Guernsey to London in March is currently the most expensive (average of £160). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

What is the cheapest time of day to fly from GG to LON?

Find hourly flight availability from Guernsey to London. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 1 July 2026.

When flying from Guernsey to London, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

Weekly flight availability from Guernsey to London

Explore weekly flight availability from Guernsey to London. Discover flights operating on different days of the week, giving you the flexibility to choose a travel day that best fits your plans. Compare info to find the most convenient option for your journey. Data last updated 1 July 2026.

The most flights from GG0 to LON are scheduled on a Monday (11 on average). You will have fewer flight options on Wednesday, which is when the least amount of flights are scheduled (8 on average).

Related info for your journey

Find useful and relevant information for your journey from Guernsey to London. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • How long is the flight from Guernsey to London?

    Departing from Guernsey to London will take you 1h. There are 160 mi between Guernsey and London. Most flights are nonstop.

  • What are the most popular routes from Guernsey to London?

    The most popular flight routes from Guernsey to London are Saint Peter Port Guernsey - London Gatwick, Saint Peter Port Guernsey - London City and Saint Peter Port Guernsey - London Stansted.

  • Can I find deals for flights from Guernsey to London that include hotel bookings?

    Yes. In addition to deals on Guernsey to London flights, Cheapflights offers holiday packages that include both flights and hotel.

  • How can I find direct flights from Guernsey to London?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Guernsey to London.

  • Can I find deals for business class flights from Guernsey to London?

    Yes. Cheapflights offers flight deals from Guernsey to London by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Guernsey to London?

    Currently, May is the cheapest month in which you can book a flight from Guernsey to London (average of £96). Flying from Guernsey to London in March is currently the most expensive (average of £160). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Travelling to a place near London?

Book flights to London if you plan to visit one of these locations
Hounslow
Milton Keynes
Luton
Wembley
Gatwick
Croydon
Slough
Ilford
Hayes
Brentford
Colchester
Watford
Kingston upon Thames
Eastbourne
Southall
Aylesbury
Romford
Ipswich
Borehamwood
Southend-on-Sea

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Alternative routes for Guernsey to London

See prices for flight routes from nearby airports that may be better suited for you.
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Top airline flying from Guernsey to London

Discover the top airline that operate flights from Guernsey to London. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 858,174 searches. Data last updated 1 July 2026.
AirlineCheapestAverageFlexibilityOn-time
Aurigny AirCheapest£155Average£188FlexibilityNo cancel feeOn-time78%
Search Aurigny Air flights

Fly with Cheapflights

Find the best flight deals on Cheapflights, where travellers can enjoy low prices and a wide availability of flights to their desired destinations.

How does Cheapflights help users find flights from Guernsey to London?

Deals for Guernsey to London flights are sourced from 900+ travel sites when you use Cheapflights. When all flight results come back, Cheapflights lets you sort and filter flights using different criteria to choose better, like price, airport, cabin class, and plenty of other options.

Why should you use Cheapflights to find cheap flight tickets from Guernsey to London?

Millions of users choose and trust Cheapflights to book the best flight deals from Guernsey to London for free. We help you search and compare prices from hundreds of airlines for the right flight just for you.

Can Cheapflights find flights from Guernsey to London with no change fees?

Yes! Cheapflights helps users easily find flights from Guernsey to London with no change fees.

Can Cheapflights notify me if prices for flights from Guernsey to London become cheaper?

Yes, Cheapflights offers price alerts on Guernsey to London flights so you can book your travel at the perfect time. Price Alerts can be enabled by clicking the bell icon next to the flight deals above and providing your email address where you want to receive the alerts.

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