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Cheap flights from London Heathrow Airport to Guernsey from £74

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 21/4. Fares are subject to change and may not be available on all flights or dates of travel.
LHR — GCI
2 Jan — 9 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 3 December 2025.

Sat 6/1208:40LHR - GCI
1 stop8h 20mMultiple Airlines
Sat 13/1213:10GCI - LHR
1 stop4h 55mMultiple Airlines
Deal found 2/12£369
Tue 16/1220:45LHR - GCI
2 stops19h 15mMultiple Airlines
Wed 24/1212:50GCI - LHR
2 stops7h 00mMultiple Airlines
Deal found 2/12£371
Sat 6/1208:40LHR - GCI
1 stop8h 20mMultiple Airlines
Sun 7/1215:20GCI - LHR
1 stop2h 45mMultiple Airlines
Deal found 1/12£379
Fri 12/1208:45LHR - GCI
1 stop8h 15mMultiple Airlines
Sun 14/1215:20GCI - LHR
1 stop2h 45mMultiple Airlines
Deal found 2/12£385
Tue 2/1208:40LHR - GCI
1 stop3h 40mMultiple Airlines
Tue 9/1215:20GCI - LHR
1 stop2h 45mMultiple Airlines
Deal found 1/12£388
Wed 17/1208:40LHR - GCI
1 stop8h 20mMultiple Airlines
Sun 21/1213:15GCI - LHR
1 stop4h 50mMultiple Airlines
Deal found 2/12£396
Tue 16/1208:40LHR - GCI
1 stop4h 55mMultiple Airlines
Sat 20/1213:10GCI - LHR
1 stop19h 10mMultiple Airlines
Deal found 1/12£430
Sun 7/1208:40LHR - GCI
1 stop4h 05mMultiple Airlines
Tue 9/1215:20GCI - LHR
1 stop2h 45mMultiple Airlines
Deal found 2/12£436
Fri 19/1208:45LHR - GCI
1 stop2h 15mMultiple Airlines
Tue 23/1216:05GCI - LHR
1 stop16h 15mMultiple Airlines
Deal found 1/12£480
Tue 30/1208:40LHR - GCI
1 stop10h 40mMultiple Airlines
Mon 5/117:30GCI - LHR
1 stop18h 20mMultiple Airlines
Deal found 2/12£497
Thu 11/1208:40LHR - GCI
1 stop4h 55mMultiple Airlines
Fri 12/1217:30GCI - LHR
1 stop14h 50mMultiple Airlines
Deal found 1/12£500

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 3 December 2025.

Round-trip from

£97

One-way from

£74

Popular in

December

Cheapest in

March

Average price

£199
British Airways
  • British Airways
  • 7/5-10/5
  • Nonstop
  • 2h 05m total
  • London to Guernsey
Search Deals
British Airways
  • British Airways
  • 21/4
  • Nonstop
  • 1h 00m total
  • London to Guernsey
Search Deals
Highest demand for flights based on searches. 4% potential increase in price (£5 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease (£4 potential savings vs. average return price).
Search Deals
Average for round-trip flights in December 2025
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 3 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

Fri 24/4

11:55-12:55

Nonstop1h 00m

Saint Peter Port Guernsey

Mon 27/4

13:50-14:55

Nonstop1h 05m

£113

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

£115

LondonSaint Peter Port

LHR - GCI

LHRGCI

London Heathrow

Sat 16/5

11:55-12:55

Nonstop1h 00m

Saint Peter Port Guernsey

Fri 22/5

20:20-08:10

1 stop11h 50m

£287

LondonSaint Peter Port

LHR - GCI

LHRGCI

London Heathrow

Fri 15/5

08:40-14:30

1 stop5h 50m

Saint Peter Port Guernsey

Tue 19/5

13:50-14:55

Nonstop1h 05m

£305

LondonSaint Peter Port

LHR - GCI

LHRGCI

London Heathrow

Fri 6/2

09:45-21:00

2 stops11h 15m

Saint Peter Port Guernsey

Tue 10/2

12:45-10:10

2 stops21h 25m

£321

LondonSaint Peter Port

LHR - GCI

LHRGCI

London Heathrow

Thu 15/1

08:40-14:50

1 stop6h 10m

Saint Peter Port Guernsey

Thu 22/1

15:20-08:20

1 stop17h 00m

£332

LondonSaint Peter Port

LHR - GCI

LHRGCI

London Heathrow

Fri 16/1

06:20-14:10

1 stop7h 50m

Saint Peter Port Guernsey

Fri 23/1

10:40-16:35

1 stop5h 55m

£341

LondonSaint Peter Port

LHR - GCI

LHRGCI

London Heathrow

Fri 13/2

19:05-10:05

1 stop15h 00m

Saint Peter Port Guernsey

Sun 15/2

13:15-18:05

1 stop4h 50m

£347

LondonSaint Peter Port

LHR - GCI

LHRGCI

London Heathrow

Tue 21/4

11:55-12:55

Nonstop1h 00m

£74

LondonSaint Peter Port

LHR - GCI

LHRGCI

London Heathrow

Sun 19/4

11:55-12:55

Nonstop1h 00m

£81

Flights are sorted by cheapest return flights first.

Deals found on 2/12

Showing 1-10 of 13 results
1
2

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.

  • 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

See prices for flight routes from nearby airports that may be better suited for you.
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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 3 December 2025.
AirlineCheapestAverageFlexibilityOn-time
Aurigny AirCheapest£115Average£182FlexibilityNo 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.

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