S$276 Cheap Flights from London to Kos

View S$276 flight on Thu, 18 Sep,2025Opens in a new window

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Cheap Flights from London to Kos (LHR-KGS)

Prices were available within the past 7 days and start at S$276 for one-way flights and S$579 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Aegean
Thu, 18 Sep - Mon, 22 Sep
LHR
London
KGS
Kos
S$579 Return, found 15 hours ago
S$579
Return
found 15 hours ago
Select Aegean flight, departing Thu, 18 Sep from London to Kos, returning Mon, 22 Sep, priced at S$579 found 15 hours ago
Swiss International Air Lines
Thu, 18 Sep - Mon, 22 Sep
LHR
London
KGS
Kos
S$580 Return, found 15 hours ago
S$580
Return
found 15 hours ago
Select Swiss International Air Lines flight, departing Thu, 18 Sep from London to Kos, returning Mon, 22 Sep, priced at S$580 found 15 hours ago
Lufthansa
Thu, 18 Sep - Mon, 22 Sep
LHR
London
KGS
Kos
S$583 Return, found 15 hours ago
S$583
Return
found 15 hours ago
Select Lufthansa flight, departing Thu, 18 Sep from London to Kos, returning Mon, 22 Sep, priced at S$583 found 15 hours ago
Swiss International Air Lines
Thu, 18 Sep - Mon, 22 Sep
LHR
London
KGS
Kos
S$612 Return, found 15 hours ago
S$612
Return
found 15 hours ago
Select Swiss International Air Lines flight, departing Thu, 18 Sep from London to Kos, returning Mon, 22 Sep, priced at S$612 found 15 hours ago
Lufthansa
Thu, 18 Sep - Mon, 22 Sep
LHR
London
KGS
Kos
S$615 Return, found 15 hours ago
S$615
Return
found 15 hours ago
Select Lufthansa flight, departing Thu, 18 Sep from London to Kos, returning Mon, 22 Sep, priced at S$615 found 15 hours ago
London to Kos route information
Origin airport
Heathrow
Destination airport
Kos Island Intl.
Airlines serving
Aegean, Austrian Airlines, Lufthansa, Swiss International Air Lines
Return price
S$578
Distance
2694 km

Perfect flights from London to Kos

Your Journey from London to Kos

Start your unforgettable journey with Expedia. Our broad selection of flights from London to Kos caters to every travel need. Whether you're yearning for a romantic escape, a solo adventure, or a cultural immersion, we've got you covered.
 

Choosing Your Ideal Flight

With Expedia, you have access to a wide range of airlines, including Aegean, Eurowings, Swiss International Air Lines, Lufthansa, Austrian Airlines. Our selection of flights from Heathrow to Kos Island Intl. caters to every traveler's requirements, ensuring your journey aligns with your schedule. With options from 15 airlines, you're bound to find the perfect flight.
 

Maximizing Value with London to Kos Flights

Experience the joy of finding cheap flights from Heathrow to Kos Island Intl. that fit your budget. Keep an eye out for our special deals and discounts, and check our flexible one-way fares from S$276 and roundtrip prices from S$579*.
 

Pre-Flight Essentials

Ensure a smooth journey from London to Kos with Expedia. From information about check-in times and in-flight amenities to guidance on baggage policies, we provide all the essentials to prepare you for your flight.
 

Experience the Vibrant Kos

Picture yourself stepping off the plane in Kos and immersing yourself in the unique atmosphere of . From local markets to cultural festivals, each city offers its distinct charm. Make the most of your trip by exploring local attractions and indulging in the local cuisine. With Expedia, explore all this and more, tailored to your budget.
 

Added Convenience on Your London to Kos Flight

Traveling with Expedia is more than just a flight. We offer details about in-flight amenities, baggage policies, and more to ensure a smooth and hassle-free journey. Choose from our variety of airlines and embark on a memorable journey from London to Kos.
 

Beyond the Flight – Exploring Kos

With Expedia, your adventure extends beyond the flight. Explore Kos at your own pace by renting a car or booking a hotel. Discover hidden gems off the beaten path and create unforgettable memories.
 

Book Your Flight from London to Kos with Confidence

Planning your next great adventure is a breeze with Expedia. Our user-friendly platform, unbeatable prices, and round-the-clock customer support make your travel experience seamless and stress-free. Embark on your journey from London to Kos with confidence. Book your travel arrangements with Expedia today.
 
*Note: Prices may vary based on availability and are subject to change.

Frequently asked questions

How much is a flight from LHR to Kos Island Intl. Airport (KGS)?
Round-trip journeys between Heathrow Airport (LHR) and KGS start from S$579. This figure is based on fares listed within the last 7 days on Expedia for flights departing within the next year — book today so you don’t miss out. Prices and availability are subject to change. Additional terms apply.
Do I need to pay a cancellation fee if I cancel my flight from London Heathrow to KGS?
The majority of flights can be conveniently cancelled online, but whether or not you incur a fee depends on your airline. If you do have to cancel your holiday, follow the instructions in the Customer Service Portal.
How do I find cheap flights from Heathrow Airport to KGS that have flexible change policies?
Many airlines offer the option to reschedule your flight without a change fee. All you pay is the difference between the original flight and the new flight. When you’re searching for Heathrow Airport to Kos Island Intl. Airport (KGS) flights, you’ll see a “no change fees” filter for you to select.
How many hours is the flight from Heathrow Airport to Kos Airport?
It takes approximately 4 hours and 36 minutes to journey from Heathrow Airport (LHR) to Kos Island Intl. Airport (KGS) (KGS). But with some music and a few interesting magazines, the hours will pass by quicker.
How far is the flight from Heathrow Airport to KGS?
The flight distance from LHR to KGS is 2,700 kilometres. Bring a drink, some snacks and a good book to read. Keep yourself busy in the air and time will zip by.
Which airlines fly direct from Heathrow Airport (LHR) to Kos Island Intl. Airport (KGS)?
You won’t find any airlines flying directly between Heathrow Airport (LHR) and Kos Airport, so be ready to make at least one stop on your journey. A layover, whether short or long, can be a welcome way to break up a trip!
Are LHR to KGS flight tickets cheaper when they're purchased at the last minute?
Booking your trip from Heathrow Airport to KGS at the last minute could save you some serious cash. However, you might miss out on a flight altogether! If you’d rather err on the side of caution, book well ahead of your departure date. In fact, Expedia has some of the biggest bargains up to a year in advance. If your preferred air carrier hasn’t released tickets yet, check back regularly as deals are updated all the time on Expedia.
*Available to Expedia members.