Cheap Flights from Guernsey (GCI) to London (LHR)

Popular airlines from Guernsey (GCI) to Heathrow Airport (LHR)

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Alternative airports near London

Prices were available within the past 7 days. Prices and availability are subject to change.

Flights from Guernsey (GCI) to London (LHR)
Origin airport
Guernsey
Destination airport
Heathrow
Distance
169 mi

Guernsey to London Flights

The cheapest times to fly from Guernsey to London

On average, Thursday can be the cheapest time to fly, according to data from the Airlines Reporting Corporation (ARC), one of the world's biggest databases for global airline sales. The data reveals that you could save up to 16% by flying on a Thursday—the cheapest day to travel on average—instead of a Sunday—the most expensive. Some of the most affordable flights from Guernsey to London are during the month of . You can find some of the cheapest flights from Guernsey to London with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from Guernsey to London

Sunday is one of the best days to book for cheap flights from Guernsey to London: Tickets reserved on a Sunday cost between 6% and 13% less than those reserved on a Friday, according to ARC data. The data also suggests booking early can also lead to cheaper airfares. You could save 24% by buying your tickets for domestic flights at least a month in advance and 10% by booking international flights 2 months in advance.

 

How to find cheap round-trip tickets from Guernsey to London

Being flexible with your dates and using Expedia's Price Drop Protection and Price Tracking features are some of the best ways of finding a cheap ticket from Guernsey to London in 2025. You can also book with separate airlines for your outbound and return journeys, from one-way. Expedia also offers Price Drop Protection, so if the cost of your airfare goes down after booking, you'll receive a credit for the difference*. This is available for a small fee, and is free to One Key Gold and Platinum tier members.

 

Expedia's Price Tracking feature means you can stay on top of airfares without manually checking every day. It sends you automated price alerts for cheap Guernsey to London flights and uses historical data to indicate when the best time to book is. Download Expedia's free app to activate this handy tool in a few easy taps.

 

You could also save big by booking one of Expedia's vacation packages. Bundling together your Guernsey to London airfare with your accommodations and car rental is often cheaper than booking everything separately. There’s also One Key, Expedia's generous rewards program. Join for free and you could earn One Key cash on most bookings to save on future adventures.

 

*Terms apply.

 

Disclaimer: ARC The statistics are based on average round-trip ticket prices between January and August 2023. The percentages you see are averages.

 

Frequently asked questions

How much does a flight from Guernsey Airport (GCI) to Heathrow Airport (LHR) cost?
Discover the latest flight deals from GCI to LHR by entering your preferred travel dates and searching on Expedia. Easily compare prices by departure date if you have flexibility with your schedule and use handy filters to explore prices for your preferred journey. As a member of One Key™, our free loyalty program, you can use Price Tracking to watch fares and receive notifications if prices go up or down.
What is the cheapest month to fly from GCI to LHR?
The cheapest flights from GCI to LHR are usually during off-peak season, when demand is lower. To save money, avoid flying during public holidays, school breaks and major local events.
What is the cheapest airline that flies from GCI to LHR?
Use the filter tool on Expedia to compare airlines and find the cheapest carrier that'll take you from GCI to LHR. Sort your results by "Price (lowest to highest)" to snap up a great deal.
How many flights per day from Guernsey Airport (GCI) to Heathrow Airport (LHR)?
Nonstop flights from Guernsey Airport (GCI) to Heathrow Airport (LHR) aren't available daily, so you'll have to take a flight with a layover. Explore your options with Expedia's filters. Enter your dates and pick either "1 Stop" or "2+ Stops."
What day of the week has the most flights from GCI to LHR?
Typically you'll find the greatest selection of flight options on a Friday. Tuesdays tend to be the quietest.* However, this can change depending on the airline, time of year and other factors.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What is the best time to fly from Guernsey Airport (GCI) to Heathrow Airport (LHR)?
Choose a flight from Guernsey Airport (GCI) to Heathrow Airport (LHR) that leaves before 3 PM to reduce the risk of delays and cancellations. Departures later than this are on average 22% more likely to be canceled.**Most reliable time of the day and month to travel recommendation is based on January through August 2024 flight status data sourced from OAG's global flight data platform.
What airports do you fly into for London from Guernsey Airport (GCI)?
If you're catching a direct flight from Guernsey Airport (GCI) to London, you'll touch down at either Gatwick Airport (LGW) or London City Airport (LCY).
Is it cheaper to buy a plane ticket from Guernsey Airport (GCI) to Heathrow Airport (LHR) last-minute?
Holding off until just before your trip to book a flight from GCI to LHR generally means paying more. While you might find some last-minute discounts, they're not always guaranteed. Keep your travel schedule open for a better chance of getting a bargain.
Is it cheaper to book a GCI to LHR flight and hotel package?
Compared with arranging hotels and flights separately, booking a GCI to LHR flight and hotel package with Expedia could result in significant savings. Better yet, having everything in one place takes the hassle out of planning your trip. Just pick your flights and select from our extensive range of stays, then customize your trip with extras like tours and car rentals.
Can I cancel or change the date of my flight from Guernsey Airport (GCI) to Heathrow Airport (LHR)?
In most cases, you're able to cancel or reschedule your GCI to LHR flight. However, there may be additional fees, especially if your booking was made over 24 hours ago. Double-check your itinerary for the airline's guidelines and fees on flight changes, or if you need more information, head to our Customer Service portal.

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*Available to One Key members.