S$264 Cheap Flights from London to Kos

View S$264 flight on Fri, 12 Jun, 2026Opens in a new window

Flight 1

Popular airlines from Heathrow Airport (LHR) to Kos (KGS-Kos Island Intl.)

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Cheap Flights from London to Kos (LHR-KGS)

Prices were available within the past 7 days and start at S$264 for one-way flights and S$424 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Swiss International Air Lines
Fri, 19 Jun - Sun, 28 Jun
LHR
London
KGS
Kos
S$424 Return, found 20 hours ago
S$424
Return
found 20 hours ago
Select Swiss International Air Lines flight, departing Fri, 19 Jun from London to Kos, returning Sun, 28 Jun, priced at S$424 found 20 hours ago
Brussels Airlines
Fri, 19 Jun - Sun, 28 Jun
LHR
London
KGS
Kos
S$425 Return, found 20 hours ago
S$425
Return
found 20 hours ago
Select Brussels Airlines flight, departing Fri, 19 Jun from London to Kos, returning Sun, 28 Jun, priced at S$425 found 20 hours ago
Austrian Airlines
Fri, 19 Jun - Sun, 28 Jun
LHR
London
KGS
Kos
S$425 Return, found 20 hours ago
S$425
Return
found 20 hours ago
Select Austrian Airlines flight, departing Fri, 19 Jun from London to Kos, returning Sun, 28 Jun, priced at S$425 found 20 hours ago
Austrian Airlines
Fri, 12 Jun - Fri, 19 Jun
LHR
London
KGS
Kos
S$425 Return, found 1 day ago
S$425
Return
found 1 day ago
Select Austrian Airlines flight, departing Fri, 12 Jun from London to Kos, returning Fri, 19 Jun, priced at S$425 found 1 day ago
Brussels Airlines
Fri, 12 Jun - Fri, 19 Jun
LHR
London
KGS
Kos
S$442 Return, found 1 day ago
S$442
Return
found 1 day ago
Select Brussels Airlines flight, departing Fri, 12 Jun from London to Kos, returning Fri, 19 Jun, priced at S$442 found 1 day ago
Swiss International Air Lines
Tue, 26 May - Fri, 29 May
LHR
London
KGS
Kos
S$454 Return, found 2 days ago
S$454
Return
found 2 days ago
Select Swiss International Air Lines flight, departing Tue, 26 May from London to Kos, returning Fri, 29 May, priced at S$454 found 2 days ago
Swiss International Air Lines
Fri, 19 Jun - Sun, 28 Jun
LHR
London
KGS
Kos
S$456 Return, found 20 hours ago
S$456
Return
found 20 hours ago
Select Swiss International Air Lines flight, departing Fri, 19 Jun from London to Kos, returning Sun, 28 Jun, priced at S$456 found 20 hours ago
Brussels Airlines
Fri, 19 Jun - Sun, 28 Jun
LHR
London
KGS
Kos
S$457 Return, found 20 hours ago
S$457
Return
found 20 hours ago
Select Brussels Airlines flight, departing Fri, 19 Jun from London to Kos, returning Sun, 28 Jun, priced at S$457 found 20 hours ago
Austrian Airlines
Fri, 19 Jun - Sun, 28 Jun
LHR
London
KGS
Kos
S$457 Return, found 20 hours ago
S$457
Return
found 20 hours ago
Select Austrian Airlines flight, departing Fri, 19 Jun from London to Kos, returning Sun, 28 Jun, priced at S$457 found 20 hours ago
Lufthansa
Tue, 26 May - Fri, 29 May
LHR
London
KGS
Kos
S$458 Return, found 2 days ago
S$458
Return
found 2 days ago
Select Lufthansa flight, departing Tue, 26 May from London to Kos, returning Fri, 29 May, priced at S$458 found 2 days ago
Aegean
Fri, 12 Jun - Fri, 19 Jun
LHR
London
KGS
Kos
S$552 Return, found 1 day ago
S$552
Return
found 1 day ago
Select Aegean flight, departing Fri, 12 Jun from London to Kos, returning Fri, 19 Jun, priced at S$552 found 1 day ago

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$424. 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.

Travel information

Origin airport
Heathrow
Destination airport
Kos Island Intl.
Airlines serving
Aegean, Austrian Airlines, Brussels Airlines, Eurowings, Swiss International Air Lines
Return price
S$423
Distance
2694 km

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