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Cheap flights from Kos to London from £90

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 14/10. 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
0 bags
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Cheap return flights

Logo
20:40 - 07:55KGS-LHR
13h 15m1 stop
Logo
08:45 - 18:00LHR-KGS
7h 15m1 stop
£171
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Wed, 22 Oct - Wed, 29 Oct
Logo
18:10 - 17:55KGS-LHR
25h 45m1 stop
Logo
06:55 - 18:55LHR-KGS
10h 00m1 stop
£207
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Wed, 15 Oct - Wed, 22 Oct
Aegean Airlines Logo
18:10 - 17:55KGS-LHR
25h 45m1 stop
Aegean Airlines Logo
22:15 - 17:30LHR-KGS
17h 15m1 stop
£209Aegean Airlines
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Thu, 16 Oct - Mon, 20 Oct
Logo
20:40 - 07:55KGS-LHR
13h 15m1 stop
Logo
08:30 - 18:00LHR-KGS
7h 30m2 stops
£210
Find Deal
Wed, 22 Oct - Wed, 29 Oct
Logo
21:35 - 08:20KGS-LHR
12h 45m1 stop
Logo
12:10 - 19:55LHR-KGS
5h 45m1 stop
£220
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Fri, 17 Oct - Wed, 22 Oct
Logo
06:00 - 11:15KGS-LHR
7h 15m1 stop
Logo
08:05 - 16:20LHR-KGS
6h 15m1 stop
£225
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Tue, 14 Oct - Sun, 19 Oct
Logo
06:00 - 11:15KGS-LHR
7h 15m1 stop
Logo
09:10 - 17:15LHR-KGS
6h 05m1 stop
£227
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Tue, 14 Oct - Thu, 23 Oct
Logo
21:40 - 08:20KGS-LHR
12h 40m1 stop
Logo
06:00 - 19:40LHR-KGS
11h 40m1 stop
£228
Find Deal
Wed, 15 Oct - Tue, 21 Oct
Logo
06:00 - 11:15KGS-LHR
7h 15m1 stop
Logo
08:05 - 18:35LHR-KGS
8h 30m1 stop
£235
Find Deal
Tue, 14 Oct - Mon, 20 Oct
Aegean Airlines Logo
18:10 - 17:55KGS-LHR
25h 45m1 stop
Aegean Airlines Logo
22:15 - 23:55LHR-KGS
23h 40m1 stop
£275Aegean Airlines
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Thu, 16 Oct - Sun, 19 Oct

Aegean Airlines flights from Kos to London Heathrow Airport

Our best Aegean Airlines deals on Kos to London Heathrow Airport flight tickets
Aegean Airlines
16 Oct
KGS18:10Kos
25h 45m
1 stop
LHR17:55London Heathrow
20 Oct
LHR22:15London Heathrow
17h 15m
1 stop
KGS17:30Kos
£209
Find similar
Aegean Airlines
16 Oct
KGS18:10Kos
25h 45m
1 stop
LHR17:55London Heathrow
19 Oct
LHR22:15London Heathrow
23h 40m
1 stop
KGS23:55Kos
£275
Find similar
Aegean Airlines
13 Oct
KGS06:00Kos
17h 10m
1 stop
LHR21:10London Heathrow
23 Oct
LHR19:00London Heathrow
26h 55m
1 stop
KGS23:55Kos
£279
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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 16 September 2025.
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

KosLondon

KGS - LHR

KGSLHR

Kos

Wed 22/10

20:40-07:55

1 stop13h 15m

London Heathrow

Wed 29/10

08:45-18:00

1 stop7h 15m

£171

KosLondon

KGS - LHR

KGSLHR

Kos

Wed 15/10

18:10-17:55

1 stop25h 45m

London Heathrow

Wed 22/10

06:55-18:55

1 stop10h 00m

£207

KosLondon

KGS - LHR

KGSLHR

Kos

Thu 16/10

18:10-17:55

1 stop25h 45m

London Heathrow

Mon 20/10

22:15-17:30

1 stop17h 15m

£209

KosLondon

KGS - LHR

KGSLHR

Kos

Wed 22/10

20:40-07:55

1 stop13h 15m

London Heathrow

Wed 29/10

08:30-18:00

2 stops7h 30m

£210

KosLondon

KGS - LHR

KGSLHR

Kos

Fri 17/10

21:35-08:20

1 stop12h 45m

London Heathrow

Wed 22/10

12:10-19:55

1 stop5h 45m

£220

KosLondon

KGS - LHR

KGSLHR

Kos

Tue 14/10

06:00-11:15

1 stop7h 15m

London Heathrow

Sun 19/10

08:05-16:20

1 stop6h 15m

£225

KosLondon

KGS - LHR

KGSLHR

Kos

Tue 14/10

06:00-11:15

1 stop7h 15m

London Heathrow

Thu 23/10

09:10-17:15

1 stop6h 05m

£227

KosLondon

KGS - LHR

KGSLHR

Kos

Wed 15/10

21:40-08:20

1 stop12h 40m

London Heathrow

Tue 21/10

06:00-19:40

1 stop11h 40m

£228

KosLondon

KGS - LHR

KGSLHR

Kos

Tue 14/10

06:00-11:15

1 stop7h 15m

London Heathrow

Mon 20/10

08:05-18:35

1 stop8h 30m

£235

KosLondon

KGS - LHR

KGSLHR

Kos

Thu 16/10

18:10-17:55

1 stop25h 45m

London Heathrow

Sun 19/10

22:15-23:55

1 stop23h 40m

£275

Flights are sorted by cheapest return flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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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 Kos to London Heathrow flight route?

Fly from Kos to London Heathrow for the best Kos - London Heathrow flight prices

What cabin class options are available on Kos to London Heathrow flights?

There is only 1 cabin class available to choose from on Kos to London Heathrow flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

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

Direct flights

None
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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  • 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 6h 20m.

  • 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
Eastbourne
Luton
Milton Keynes
Maidstone
Gatwick
Slough
Northampton
Swindon
Canterbury
Stratford-upon-Avon
Southend-on-Sea
Ipswich
Ilford
Guildford
Swanage
Poole
Colchester
Worthing
Salisbury
Chelmsford

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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