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Cheap flights from Kos to London from £94

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Kos to London departing on 8/7. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
1 adult, Economy, 0 bags
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Find the cheapest flights from Kos to London

Cheap return flights

Enter your travel dates to find the best prices.
Multiple Airlines Logo
21:10 - 08:20
KGS
-
LHR
13h 10m
1 stop
Multiple Airlines Logo
20:05 - 10:10
LHR
-
KGS
12h 05m
1 stop
£201Multiple Airlines
Thu, 6 Aug - Sun, 9 Aug
SWISS Logo
11:00 - 21:45
KGS
-
LHR
12h 45m
1 stop
SWISS Logo
20:05 - 15:10
LHR
-
KGS
17h 05m
1 stop
£218SWISS
Thu, 13 Aug - Thu, 20 Aug
Austrian Airlines Logo
21:10 - 08:20
KGS
-
LHR
13h 10m
1 stop
Austrian Airlines Logo
06:00 - 20:20
LHR
-
KGS
12h 20m
1 stop
£235Austrian Airlines
Thu, 23 Jul - Thu, 30 Jul
Multiple Airlines Logo
19:55 - 08:15
KGS
-
LHR
14h 20m
1 stop
Multiple Airlines Logo
06:00 - 19:55
LHR
-
KGS
11h 55m
1 stop
£272Multiple Airlines
Wed, 29 Jul - Wed, 5 Aug
Aegean Airlines Logo
06:00 - 17:55
KGS
-
LHR
13h 55m
1 stop
Aegean Airlines Logo
22:15 - 07:35
LHR
-
KGS
7h 20m
1 stop
£304Aegean Airlines
Thu, 1 Oct - Sat, 10 Oct
Multiple Airlines Logo
21:10 - 08:20
KGS
-
LHR
13h 10m
1 stop
Multiple Airlines Logo
08:05 - 08:55
LHR
-
KGS
22h 50m
2 stops
£316Multiple Airlines
Thu, 6 Aug - Sun, 9 Aug
Aegean Airlines Logo
06:00 - 11:15
KGS
-
LHR
7h 15m
1 stop
Aegean Airlines Logo
16:35 - 00:35
LHR
-
KGS
6h 00m
1 stop
£330Aegean Airlines
Thu, 13 Aug - Thu, 3 Sep
Aegean Airlines Logo
12:35 - 17:55
KGS
-
LHR
7h 20m
1 stop
Aegean Airlines Logo
16:35 - 00:35
LHR
-
KGS
6h 00m
1 stop
£330Aegean Airlines
Thu, 13 Aug - Thu, 3 Sep
SWISS Logo
11:00 - 17:50
KGS
-
LHR
8h 50m
1 stop
SWISS Logo
19:15 - 15:10
LHR
-
KGS
17h 55m
2 stops
£332SWISS
Thu, 13 Aug - Thu, 20 Aug
Multiple Airlines Logo
12:35 - 21:10
KGS
-
LHR
10h 35m
1 stop
Multiple Airlines Logo
07:00 - 15:10
LHR
-
KGS
30h 10m
2 stops
£345Multiple Airlines
Thu, 23 Jul - Thu, 30 Jul

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Austrian Airlines flights from Kos to London Heathrow Airport

Our best Austrian Airlines deals on Kos to London Heathrow Airport flight tickets
Austrian Airlines
23 Jul
KGS21:10Kos
13h 10m
1 stop
LHR08:20London Heathrow
30 Jul
LHR06:00London Heathrow
12h 20m
1 stop
KGS20:20Kos
£235
Austrian Airlines
3 Jul
KGS21:40Kos
26h 00m
1 stop
LHR21:40London Heathrow
9 Jul
LHR06:00London Heathrow
12h 20m
1 stop
KGS20:20Kos
£333
Austrian Airlines
6 Jul
KGS20:50Kos
13h 30m
1 stop
LHR08:20London Heathrow
12 Jul
LHR19:30London Heathrow
22h 30m
1 stop
KGS20:00Kos
£594

Aegean Airlines flights from Kos to London Heathrow Airport

Our best Aegean Airlines deals on Kos to London Heathrow Airport flight tickets
Aegean Airlines
1 Oct
KGS06:00Kos
13h 55m
1 stop
LHR17:55London Heathrow
10 Oct
LHR22:15London Heathrow
7h 20m
1 stop
KGS07:35Kos
£304
Aegean Airlines
13 Aug
KGS06:00Kos
7h 15m
1 stop
LHR11:15London Heathrow
3 Sept
LHR16:35London Heathrow
6h 00m
1 stop
KGS00:35Kos
£330
Aegean Airlines
13 Aug
KGS12:35Kos
7h 20m
1 stop
LHR17:55London Heathrow
3 Sept
LHR16:35London Heathrow
6h 00m
1 stop
KGS00:35Kos
£330

momondo Fare Finder

 
Customise your flight search to find flights from Kos to London Heathrow Airport 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, momondo users made 279,928 searches. Data last updated 2 July 2026.
Use the filters below to find and compare flights from Kos to London Heathrow Airport that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

KosLondon

KGS - LHR

KGSLHR

Kos

Thu 6/8

21:10-08:20

1 stop13h 10m

London Heathrow

Sun 9/8

20:05-10:10

1 stop12h 05m

£201

KosLondon

KGS - LHR

KGSLHR

Kos

Thu 13/8

11:00-21:45

1 stop12h 45m

London Heathrow

Thu 20/8

20:05-15:10

1 stop17h 05m

£218

KosLondon

KGS - LHR

KGSLHR

Kos

Thu 23/7

21:10-08:20

1 stop13h 10m

London Heathrow

Thu 30/7

06:00-20:20

1 stop12h 20m

£235

KosLondon

KGS - LHR

KGSLHR

Kos

Wed 29/7

19:55-08:15

1 stop14h 20m

London Heathrow

Wed 5/8

06:00-19:55

1 stop11h 55m

£272

KosLondon

KGS - LHR

KGSLHR

Kos

Thu 1/10

06:00-17:55

1 stop13h 55m

London Heathrow

Sat 10/10

22:15-07:35

1 stop7h 20m

£304

KosLondon

KGS - LHR

KGSLHR

Kos

Thu 6/8

21:10-08:20

1 stop13h 10m

London Heathrow

Sun 9/8

08:05-08:55

2 stops22h 50m

£316
Fastest return journey

KosLondon

KGS - LHR

KGSLHR

Kos

Thu 13/8

06:00-11:15

1 stop7h 15m

London Heathrow

Thu 3/9

16:35-00:35

1 stop6h 00m

£330

KosLondon

KGS - LHR

KGSLHR

Kos

Thu 13/8

12:35-17:55

1 stop7h 20m

London Heathrow

Thu 3/9

16:35-00:35

1 stop6h 00m

£330

KosLondon

KGS - LHR

KGSLHR

Kos

Thu 13/8

11:00-17:50

1 stop8h 50m

London Heathrow

Thu 20/8

19:15-15:10

2 stops17h 55m

£332

KosLondon

KGS - LHR

KGSLHR

Kos

Thu 23/7

12:35-21:10

1 stop10h 35m

London Heathrow

Thu 30/7

07:00-15:10

2 stops30h 10m

£345

Flights are sorted by cheapest return flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
1
2

See travel insights to London from

How to get the cheapest flight ticket from Kos to London Heathrow Airport

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the cheapest airline that flies from Kos to London Heathrow?

Aegean Airlines and Brussels Airlines are the most popular carriers operating from Kos to London Heathrow

When to book flights from Kos to London Heathrow Airport

Are you open to changing your travel dates? Check out the ideal times to fly from Kos to London Heathrow Airport according to our flight data. Find out which month and days have the cheapest flights.
Estimated return price

Cheap Kos to London Heathrow Airport (KGS to LHR) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Kos to London Heathrow Airport

Fastest flight time

8h 35m

Direct flights

None
The fastest flight from Kos to London Heathrow Airport takes 8h 35m
There are no direct flights from Kos to London Heathrow Airport. There are no popular flight routes from Kos to London Heathrow Airport.
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Frequently asked questions about flying from Kos to London Heathrow Airport

  • How far is Kos to London Heathrow by plane?

    A flight from Kos to London Heathrow will travel around 1686.2 mi. In terms of flight time, this usually takes a little over 8h 35m.

  • When did momondo last update prices for flights from Kos Airport to London Heathrow Airport?

    Prices for flights from Kos Airport to London Heathrow Airport were last updated today.

  • How old do you have to be to fly from Kos Airport to London Heathrow Airport?

    The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Kos Airport to London Heathrow Airport.

  • What documentation or ID do you need to fly to London Heathrow Airport?

    The required travel and health documents for your London Heathrow Airport trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at London Heathrow Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

Travelling to a place near London?

Book flights to London if you plan to visit one of these locations
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Wembley
Gatwick
Milton Keynes
Luton
Stratford-upon-Avon
Southend-on-Sea
Slough
Northampton
Maidstone
Ipswich
Swindon
Ilford
Canterbury
Folkestone
Poole
Guildford
Hayes
Chichester
Hastings

Why use momondo?

Why should I use momondo to find a flight deal from Kos to London?

To find the flight that best suits your needs, momondo gathers a range of flights from a large pool of different airlines and agents; you can then use our insights and filters to find and book the right flight to London from Kos.

Can I find flights from Kos to London with flexible booking policies on momondo?

momondo does allow users to show only those flights to London from Kos which offer a flexible booking policy as well as other useful filters and features.

How can momondo help me find flights from Kos to London?

momondo helps you find the best flight between Kos and London by providing filters to narrow your choice of flights to those matching your criteria. You can select flights based on numerous factors such as price, departure and landing times, airport and airline.

I’m not ready to book a flight from Kos to London right now. Can momondo alert me if prices change?

Yes momondo offers price alerts on flights to London from Kos. After performing a search on this page you should be able to see the price alert set up feature. Simply provide a valid email address and momondo will instantly alert you when prices change.

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