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Cheap flights from London Heathrow Airport to Guernsey from £92

This is the cheapest retur flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 22/4. Fares are subject to change and may not be available on all flights or dates of travel.
LHR — GCI
22 Jan — 29 Jan1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Heathrow to Guernsey

Enter your travel dates to find the best prices.

Cheapest flights from Heathrow to Guernsey
Explore the most affordable flight options available from Heathrow to Guernsey. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 23 December 2025.

Sat 27/1208:40LHR - GCI
1 stop8h 20mMultiple Airlines
Fri 2/117:30GCI - LHR
1 stop14h 50mMultiple Airlines
Deal found 21/12£478
Tue 23/1208:40LHR - GCI
1 stop4h 55mMultiple Airlines
Tue 30/1210:35GCI - LHR
1 stop21h 45mMultiple Airlines
Deal found 21/12£489
Sun 28/1208:40LHR - GCI
1 stop6h 10mMultiple Airlines
Mon 29/1216:05GCI - LHR
1 stop19h 45mMultiple Airlines
Deal found 21/12£527
Mon 22/1215:00LHR - GCI
1 stop2h 00mMultiple Airlines
Sun 28/1213:15GCI - LHR
1 stop4h 50mMultiple Airlines
Deal found 21/12£686
Tue 23/1207:50LHR - GCI
1 stop11h 10mMultiple Airlines
Sat 27/1215:25GCI - LHR
1 stop5h 40mMultiple Airlines
Deal found 21/12£712

Find flight deals from Heathrow to Guernsey

Keep the following information in mind while searching for Heathrow to Guernsey flight deals. Data was last updated 23 December 2025.

Round-trip from

£101

Popular in

December

Cheapest in

March

Average price

£215

Good round-trip deal

£94 or less
British Airways
  • British Airways
  • 23/4-27/4
  • Nonstop
  • 2h 05m total
  • London to Guernsey
Search Deals
Highest demand for flights based on searches. 6% potential increase in price (£9 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease (£5 potential savings vs. average return price).
Search Deals
Average for round-trip flights in December 2025
Search Deals
Price to beat on a round-trip flight from London Heathrow to Guernsey.
Search Deals

Cheapflights Fare Finder

 
Customise your flight search to find flights from Heathrow 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, Cheapflights users made 858,174 searches. Data last updated 23 December 2025.
Use the filters below to find and compare flights from London Heathrow Airport to Guernsey that are best for you.

Fly from

Heathrow

Fly to

Guernsey

Route

Depart

Return

Price

LondonSaint Peter Port

LHR - GCI

LHRGCI

London Heathrow

Wed 22/4

11:55-12:55

Nonstop1h 00m

Saint Peter Port Guernsey

Sun 26/4

13:50-14:55

Nonstop1h 05m

£92

LondonSaint Peter Port

LHR - GCI

LHRGCI

London Heathrow

Thu 23/4

11:55-12:55

Nonstop1h 00m

Saint Peter Port Guernsey

Mon 27/4

13:50-14:55

Nonstop1h 05m

£101

LondonSaint Peter Port

LHR - GCI

LHRGCI

London Heathrow

Thu 7/5

11:55-12:55

Nonstop1h 00m

Saint Peter Port Guernsey

Tue 12/5

13:50-14:55

Nonstop1h 05m

£112

LondonSaint Peter Port

LHR - GCI

LHRGCI

London Heathrow

Fri 15/5

11:55-12:55

Nonstop1h 00m

Saint Peter Port Guernsey

Tue 19/5

13:50-14:55

Nonstop1h 05m

£112

LondonSaint Peter Port

LHR - GCI

LHRGCI

London Heathrow

Fri 24/4

11:55-12:55

Nonstop1h 00m

Saint Peter Port Guernsey

Mon 27/4

13:50-14:55

Nonstop1h 05m

£118

LondonSaint Peter Port

LHR - GCI

LHRGCI

London Heathrow

Thu 16/4

07:40-14:20

1 stop6h 40m

Saint Peter Port Guernsey

Sun 19/4

13:50-14:55

Nonstop1h 05m

£214

LondonSaint Peter Port

LHR - GCI

LHRGCI

London Heathrow

Fri 15/5

08:40-16:30

1 stop7h 50m

Saint Peter Port Guernsey

Tue 19/5

13:50-14:55

Nonstop1h 05m

£303

LondonSaint Peter Port

LHR - GCI

LHRGCI

London Heathrow

Fri 23/1

14:45-16:55

1 stop2h 10m

Saint Peter Port Guernsey

Sun 25/1

15:20-08:20

1 stop17h 00m

£351

LondonSaint Peter Port

LHR - GCI

LHRGCI

London Heathrow

Thu 22/1

14:55-20:20

1 stop5h 25m

Saint Peter Port Guernsey

Thu 29/1

08:25-11:45

1 stop3h 20m

£352

LondonSaint Peter Port

LHR - GCI

LHRGCI

London Heathrow

Sun 15/3

08:40-16:10

1 stop7h 30m

£197

Flights are sorted by cheapest return flights first.

Deals found on 23/12

Showing 1-10 of 12 results
1
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Best time to book a flight from Heathrow to Guernsey

Have a flexible travel schedule? Discover the best time to fly to Guernsey from Heathrow 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 London Heathrow Airport to Guernsey
No data available for this route at this time. Please check back soon.

Related info for your journey

Find useful and relevant information for your journey from Heathrow to Guernsey. 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 London Heathrow Airport to Guernsey?

    British Airways can get you from London Heathrow Airport to Guernsey in just under 1h. Your travel time will be generally consistent. Airlines will cover a distance of 169 mi. Generally, flights for this route are direct.

  • What are the cheapest flights from London Heathrow Airport to Guernsey?

    While on average a flight from London Heathrow Airport to Guernsey is generally £113, our data shows the cheapest flight currently is £86. When looking at the most popular route, (London Heathrow - Saint Peter Port Guernsey), you can expect to pay £92 for that flight.

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

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

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

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

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

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

See more FAQs

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Alternative routes for Heathrow to Guernsey

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Top airline flying from Heathrow to Guernsey

Discover the top airline that operate flights from Heathrow to Guernsey. 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 23 December 2025.
AirlineCheapestAverageFlexibilityOn-time
Aurigny AirCheapest£113Average£179FlexibilityNo cancel feeOn-time78%
Search Aurigny Air flights

Fly with Cheapflights

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

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

Cheapflights simply makes it quick and affordable to book flights from Heathrow to Guernsey by bringing together all flight options from hundreds of airlines and agencies online — and put it in one place for you to choose from. Plus, Cheapflights is 100% free to use for all.

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

Users can book flights with no change fees policies with our dedicated filters. Book flights from Heathrow to Guernsey flexibly with Cheapflights today.

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

Of course! You can now track prices for flights from Heathrow to Guernsey and get an alert from Cheapflights when they change. Have a valid email address ready and click the bell icon next to the flight deals above to set up your price alerts.

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