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£38 Cheap Flights from Guernsey (GCI) to London (LHR)

View £38 flight on Wed, 6 Jan 2027Opens in a new window

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

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

Prices were available within the past 7 days and start at £38 for one-way flights and £105 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

British Airways
Sun, 24 Jan - Sat, 30 Jan
GCI
Guernsey
LHR
London
£105 Return, found 4 days ago
£105
Return
found 4 days ago
Select British Airways flight, departing Sun, 24 Jan from Guernsey to London, returning Sat, 30 Jan, priced at £105 found 4 days ago
British Airways
Fri, 11 Jun - Sun, 13 Jun
GCI
Guernsey
LHR
London
£110 Return, found 15 hours ago
£110
Return
found 15 hours ago
Select British Airways flight, departing Fri, 11 Jun from Guernsey to London, returning Sun, 13 Jun, priced at £110 found 15 hours ago
British Airways
Tue, 8 Dec - Wed, 9 Dec
GCI
Guernsey
LHR
London
£112 Return, found 18 hours ago
£112
Return
found 18 hours ago
Select British Airways flight, departing Tue, 8 Dec from Guernsey to London, returning Wed, 9 Dec, priced at £112 found 18 hours ago
British Airways
Sun, 13 Jun - Mon, 14 Jun
GCI
Guernsey
LHR
London
£118 Return, found 1 day ago
£118
Return
found 1 day ago
Select British Airways flight, departing Sun, 13 Jun from Guernsey to London, returning Mon, 14 Jun, priced at £118 found 1 day ago
British Airways
Sat, 14 Nov - Sat, 21 Nov
GCI
Guernsey
LHR
London
£121 Return, found 2 days ago
£121
Return
found 2 days ago
Select British Airways flight, departing Sat, 14 Nov from Guernsey to London, returning Sat, 21 Nov, priced at £121 found 2 days ago
British Airways
Mon, 2 Nov - Tue, 10 Nov
GCI
Guernsey
LHR
London
£123 Return, found 6 days ago
£123
Return
found 6 days ago
Select British Airways flight, departing Mon, 2 Nov from Guernsey to London, returning Tue, 10 Nov, priced at £123 found 6 days ago
British Airways
Thu, 11 Mar - Sun, 14 Mar
GCI
Guernsey
LHR
London
£124 Return, found 1 day ago
£124
Return
found 1 day ago
Select British Airways flight, departing Thu, 11 Mar from Guernsey to London, returning Sun, 14 Mar, priced at £124 found 1 day ago
British Airways
Tue, 17 Nov - Thu, 19 Nov
GCI
Guernsey
LHR
London
£126 Return, found 4 hours ago
£126
Return
found 4 hours ago
Select British Airways flight, departing Tue, 17 Nov from Guernsey to London, returning Thu, 19 Nov, priced at £126 found 4 hours ago
British Airways
Tue, 20 Oct - Sat, 24 Oct
GCI
Guernsey
LHR
London
£127 Return, found 5 days ago
£127
Return
found 5 days ago
Select British Airways flight, departing Tue, 20 Oct from Guernsey to London, returning Sat, 24 Oct, priced at £127 found 5 days ago
British Airways
Thu, 3 Dec - Sun, 6 Dec
GCI
Guernsey
LHR
London
£130 Return, found 2 hours ago
£130
Return
found 2 hours ago
Select British Airways flight, departing Thu, 3 Dec from Guernsey to London, returning Sun, 6 Dec, priced at £130 found 2 hours ago

Alternative airports near London

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

Select flight to Gatwick LGW. Cheapest option available. Average driving time to city centre is 52 minutes. Flights from £168
LGW
Gatwick
Cheapest
Average driving time to city centre52 min
Flights from £168
Select flight to London City LCY. Closest option available. Average driving time to city centre is 21 minutes. Flights from £229
LCY
London City
Closest
Average driving time to city centre21 min
Flights from £229

Frequently asked questions

How much does a flight from Guernsey (GCI) to London (LHR-Heathrow) cost?
You can find cheap one-way flights from £38 and cheap return flights from £105 GCI to LHR with Expedia. One-way flights typically cost between £31 and £108, and return flights often range between £125 and £256. Flight prices vary based on the month and day of the week you want to travel, as well as the airline and how far in advance you book your ticket. Filter your search on Expedia by "Price (lowest to highest)" to see the cheapest fares first, and use the Price Tracking tool to receive alerts when GCI to LHR ticket fares go up or down.
What is the cheapest month to fly from Guernsey (GCI) to London (LHR-Heathrow)?
The cheapest months to fly from GCI to LHR are typically during off-peak season when demand is low. Traveling in off-peak or shoulder months is usually a good way to secure cheap tickets, just remember to avoid flying during holidays if you are able to. Use the calendar view in your search to see which months have low fares on this route.
Which airlines fly direct from Guernsey (GCI) to London (LHR-Heathrow)?
Only one airline offers direct flights from Guernsey (GCI) to London (LHR-Heathrow). British Airways operates 7 direct flights from Guernsey (GCI) to London (LHR-Heathrow) every week.
What is the cheapest airline that flies from Guernsey (GCI) to London (LHR-Heathrow)?
British Airways is one of the cheapest airlines offering nonstop return flights from Guernsey (GCI) to London (LHR-Heathrow), with tickets starting from around £97 for flights that can be booked for departure within the next year. These prices are typically for one adult in economy/coach class. Use Expedia's search tool to compare the prices and schedules of airlines that fly this route to find the best option for your plans and budget.
How do I find cheap flights from Guernsey (GCI) to London (LHR-Heathrow)?
To find a cheap flight from Guernsey (GCI) to London (LHR-Heathrow), be flexible with your dates. Traveling outside of peak vacation months and booking a mid-week flight can help you save. Early morning and late night flights are often more affordable, too. Expedia allows you to compare flight times, airlines and routes all in one place to find low fares. You can also set up Price Tracking and receive alerts when fares go up or down.
What is the best airline to fly with from Guernsey (GCI) to London (LHR-Heathrow)?
The best airline to fly with from Guernsey (GCI) to London (LHR-Heathrow) will differ from traveler to traveler. If you like to fly early, British Airways offers early morning flights. If price is the most important factor, British Airways typically offers the lowest fares. British Airways offers the most daily flights from Guernsey (GCI) to London (LHR-Heathrow), which is great if flexibility is what you value most. The best carrier for this journey could also be the one you have a loyalty membership with, as flying with that airline or another airline within the same alliance could help you collect points or enjoy lounge access.
What is the best time to fly from Guernsey (GCI) to London (LHR-Heathrow)?
The best time to fly is usually mid-week (Tuesday or Wednesday) and during early morning hours as flights tend to be cheaper, less crowded, and generally more on-time. Avoid major holidays and peak vacation seasons for smoother travel. Combining off-peak days and hours often gives the best combination of cost, comfort, and convenience.
How many flights per day from Guernsey (GCI) to London (LHR-Heathrow)?
There is 1 nonstop flight per day from Guernsey (GCI) to London Heathrow (LHR). This gives you a direct and convenient option for your journey.
What is the earliest flight from Guernsey (GCI) to London (LHR-Heathrow)?
The earliest flight from Guernsey (GCI) to London Heathrow (LHR) typically departs around 1:45 PM. This service is operated by British Airways and is seasonal, active in May, June, July, August, September, and October. To compare early flights on Expedia, select the "Early Morning" and "Morning" filters in your search.
What day of the week has the most flights from Guernsey (GCI) to London (LHR-Heathrow)?
You'll typically find the most flights from Guernsey (GCI) to London Heathrow (LHR) on a Monday, with around 1 flight available. This offers a consistent option for your travel plans. British Airways is a major airline on this route. Flight schedules are consistent throughout the week, so you'll find similar options on other days too.
What are the most popular departure times for flights from Guernsey (GCI) to London (LHR-Heathrow)?
The most popular departure time for flights from Guernsey (GCI) to London Heathrow (LHR) is between 12pm and 3pm. Many travellers prefer this time, and British Airways offers flights during this window.
How long does it take to fly from Guernsey (GCI) to London (LHR-Heathrow)?
A direct flight from Guernsey (GCI) to London Heathrow (LHR) typically takes around 1 hour. This route covers a distance of approximately 272 kilometers. If you opt for a flight with one stop, your journey will be significantly longer, usually around 15 hours 30 minutes. Keep in mind that actual flight times can vary due to factors like wind patterns and air traffic, so it's always a good idea to allow for some extra time when planning your trip.
Can you fly business or first class from Guernsey (GCI) to London (LHR-Heathrow)?
You can fly business class with British Airways.
How do I earn miles on a Guernsey (GCI) to London (LHR-Heathrow) flight with Expedia?
It's easy to earn miles on a Guernsey (GCI) to London (LHR-Heathrow) flight when you book with Expedia. Before you confirm your booking, simply select your frequent flyer program and enter your program number. As a member of One Key™, you can also earn OneKeyCash™* on top of your airline miles when you book with Expedia.*Excludes taxes and fees. OneKeyCash is not redeemable for cash and can only be used on Expedia and other participating brands.
What airports do you fly into for London (LHR) from Guernsey (GCI)?
If you're planning to travel to London from GCI, you typically fly into Heathrow (LHR). Compare routes and airports on Expedia to find the best flight options for your travel plans.
Is it cheaper to buy a plane ticket from Guernsey (GCI) to London (LHR-Heathrow) at the last minute?
Typically, booking a last minute flight from Guernsey (GCI) to London (LHR-Heathrow) will be more expensive than booking in advance. As the departure date approaches, there are usually fewer seats available which can drive up the cost. However, if there's some wiggle room with your travel dates and times, you could bag a cheap last-minute fare.
Is it cheaper to book a Guernsey (GCI) to London (LHR-Heathrow) flight and hotel package?
Securing a Guernsey (GCI) to London (LHR-Heathrow) flight and hotel package is usually cheaper than booking separately. With Expedia, you can enjoy the ease of organizing your travels all in one place. Select from our extensive range of stays and then add flights, activities and car rentals to your booking. Bundle everything together, and you could save hundreds of dollars.
Can I cancel or change the date of my flight from Guernsey (GCI) to London (LHR-Heathrow)?
If you booked your Guernsey (GCI) to London (LHR-Heathrow) flight within the last 24 hours, you may be able to modify or cancel it without any fees. Depending on the airline and the type of ticket you have, additional charges may apply for changes beyond this timeframe. Airline policies and contact information can be found in your itinerary or confirmation email. Or, head to our Customer Service portal if you'd like more information.

Travel information

Origin airport
Guernsey
Destination airport
Heathrow
Airlines serving
British Airways
Return price
£104
Distance
271 km
Average flight time
1 hour 5 mins

Book with confidence

Compare flights from Guernsey to London easily and book with confidence

For travelling on business or for pleasure, Expedia makes it easy to book your flights from Guernsey to London. Operating between them flights per day, 20 airlines cover the route. And fly direct, getting you to Heathrow in just hours. If you have a preferred carrier, use our advanced search tool to find the right flight from Guernsey to Heathrow.  

To make things even better, in the advanced search, you can also choose to fly economy, premium economy, business or first class, select your maximum number of stops, and pick your preferred departure and arrival time. You can also opt for refundable and direct flights. 

Grab a great deal on your flight from Guernsey (GCI) to Heathrow (LHR)

The easiest way to view the best deals on flights from Guernsey to London today is to enter your travel dates and hit search. From here, you can sort your results by price to see the cheapest flights first. Right now, return flights from Guernsey to Heathrow start at just £105 and range up to £130.  

To find an even better deal, try  

  • being flexible on your dates – midweek flights can be cheaper
  • looking for other airports near Guernsey and London
  • booking your flight during January, the cheapest month on this route
  • varying your flight times – early morning and late at night are sometimes cheaper 

Why you should book your Guernsey to London flight with Expedia!

We cater for all flight types, cabin classes and airlines. So whether you’re booking flights from Guernsey to Heathrow for a budget break or a business trip with a bit of pleasure thrown in, we make it easy to secure the seat that’s right for you.  

Thanks to our supersized inventory that offers great choice all in one place, you know you’ll get a great deal with Expedia. Especially if you bundle your flight together with your hotel, you will unlock amazing savings. For added peace of mind, you can choose flexible bookings or filter to find refundable options, so you won’t pay a fee to change your flight.  

Compare flights from Guernsey to London easily and book with confidence

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