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Cheap flights from Kos to London from £122

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 27/10. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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0 bags
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Cheap return flights

Logo
12:40 - 19:40KGS-LHR
9h 00m1 stop
Logo
17:50 - 10:15LHR-KGS
14h 25m1 stop
£218
Find Deal
Mon, 11 Aug - Mon, 18 Aug
Aegean Airlines Logo
06:00 - 21:10KGS-LHR
17h 10m1 stop
Aegean Airlines Logo
19:00 - 23:55LHR-KGS
26h 55m1 stop
£241Aegean Airlines
Find Deal
Thu, 25 Sep - Thu, 2 Oct
SWISS Logo
11:00 - 08:15KGS-LHR
23h 15m2 stops
SWISS Logo
20:05 - 19:40LHR-KGS
21h 35m1 stop
£243SWISS
Find Deal
Mon, 11 Aug - Mon, 18 Aug
Aegean Airlines Logo
11:25 - 17:55KGS-LHR
8h 30m1 stop
Aegean Airlines Logo
22:15 - 11:20LHR-KGS
11h 05m2 stops
£252Aegean Airlines
Find Deal
Thu, 25 Sep - Thu, 2 Oct
Aegean Airlines Logo
18:10 - 11:15KGS-LHR
19h 05m1 stop
Aegean Airlines Logo
22:15 - 10:45LHR-KGS
10h 30m1 stop
£255Aegean Airlines
Find Deal
Mon, 15 Sep - Sun, 21 Sep
Aegean Airlines Logo
11:25 - 21:10KGS-LHR
11h 45m1 stop
Aegean Airlines Logo
22:15 - 10:45LHR-KGS
10h 30m1 stop
£285Aegean Airlines
Find Deal
Sat, 13 Sep - Sat, 20 Sep
SWISS Logo
11:00 - 08:15KGS-LHR
23h 15m2 stops
SWISS Logo
19:15 - 19:40LHR-KGS
22h 25m2 stops
£299SWISS
Find Deal
Mon, 11 Aug - Mon, 18 Aug
Aegean Airlines Logo
21:10 - 11:15KGS-LHR
16h 05m2 stops
Aegean Airlines Logo
22:15 - 10:45LHR-KGS
10h 30m1 stop
£314Aegean Airlines
Find Deal
Mon, 15 Sep - Sun, 21 Sep
Logo
22:25 - 12:30KGS-LHR
16h 05m2 stops
Logo
19:25 - 08:00LHR-KGS
10h 35m2 stops
£374
Find Deal
Mon, 15 Sep - Sun, 21 Sep
SWISS Logo
11:00 - 19:20KGS-LHR
10h 20m1 stop
SWISS Logo
08:55 - 10:10LHR-KGS
23h 15m2 stops
£383SWISS
Find Deal
Mon, 15 Sep - Sun, 21 Sep

Aegean Airlines flights from Kos to London Heathrow Airport

Our best Aegean Airlines deals on Kos to London Heathrow Airport flight tickets
Aegean Airlines
25 Sept
KGS06:00Kos
17h 10m
1 stop
LHR21:10London Heathrow
2 Oct
LHR19:00London Heathrow
26h 55m
1 stop
KGS23:55Kos
£241
Find similar
Aegean Airlines
25 Sept
KGS11:25Kos
8h 30m
1 stop
LHR17:55London Heathrow
2 Oct
LHR22:15London Heathrow
11h 05m
2 stops
KGS11:20Kos
£252
Find similar
Aegean Airlines
15 Sept
KGS18:10Kos
19h 05m
1 stop
LHR11:15London Heathrow
21 Sept
LHR22:15London Heathrow
10h 30m
1 stop
KGS10:45Kos
£255
Find similar

SWISS flights from Kos to London Heathrow Airport

Our best SWISS deals on Kos to London Heathrow Airport flight tickets
SWISS
11 Aug
KGS11:00Kos
23h 15m
2 stops
LHR08:15London Heathrow
18 Aug
LHR20:05London Heathrow
21h 35m
1 stop
KGS19:40Kos
£243
Find similar
SWISS
11 Aug
KGS11:00Kos
23h 15m
2 stops
LHR08:15London Heathrow
18 Aug
LHR19:15London Heathrow
22h 25m
2 stops
KGS19:40Kos
£299
Find similar
SWISS
15 Sept
KGS11:00Kos
10h 20m
1 stop
LHR19:20London Heathrow
21 Sept
LHR08:55London Heathrow
23h 15m
2 stops
KGS10:10Kos
£383
Find similar

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 1 August 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

Mon 11/8

12:40-19:40

1 stop9h 00m

London Heathrow

Mon 18/8

17:50-10:15

1 stop14h 25m

£218

KosLondon

KGS - LHR

KGSLHR

Kos

Thu 25/9

06:00-21:10

1 stop17h 10m

London Heathrow

Thu 2/10

19:00-23:55

1 stop26h 55m

£241

KosLondon

KGS - LHR

KGSLHR

Kos

Mon 11/8

11:00-08:15

2 stops23h 15m

London Heathrow

Mon 18/8

20:05-19:40

1 stop21h 35m

£243

KosLondon

KGS - LHR

KGSLHR

Kos

Thu 25/9

11:25-17:55

1 stop8h 30m

London Heathrow

Thu 2/10

22:15-11:20

2 stops11h 05m

£252

KosLondon

KGS - LHR

KGSLHR

Kos

Mon 15/9

18:10-11:15

1 stop19h 05m

London Heathrow

Sun 21/9

22:15-10:45

1 stop10h 30m

£255

KosLondon

KGS - LHR

KGSLHR

Kos

Sat 13/9

11:25-21:10

1 stop11h 45m

London Heathrow

Sat 20/9

22:15-10:45

1 stop10h 30m

£285

KosLondon

KGS - LHR

KGSLHR

Kos

Mon 11/8

11:00-08:15

2 stops23h 15m

London Heathrow

Mon 18/8

19:15-19:40

2 stops22h 25m

£299

KosLondon

KGS - LHR

KGSLHR

Kos

Mon 15/9

21:10-11:15

2 stops16h 05m

London Heathrow

Sun 21/9

22:15-10:45

1 stop10h 30m

£314

KosLondon

KGS - LHR

KGSLHR

Kos

Mon 15/9

22:25-12:30

2 stops16h 05m

London Heathrow

Sun 21/9

19:25-08:00

2 stops10h 35m

£374

KosLondon

KGS - LHR

KGSLHR

Kos

Mon 15/9

11:00-19:20

1 stop10h 20m

London Heathrow

Sun 21/9

08:55-10:10

2 stops23h 15m

£383

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 are 1 cabin classes 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

Best price found

£122

Fastest flight time

6h 45m

Direct flights

None
The best one-way flight to London Heathrow Airport from Kos in the past 72 hours is £122. The best return flight deal from Kos to London Heathrow Airport found on momondo in the last 72 hours is £218.
The fastest flight from Kos to London Heathrow Airport takes 6h 45m
There are no direct flights from Kos to London Heathrow Airport. Popular non-direct route for this connection is Kos Airport - London Heathrow Airport.
Search flight deals

  • 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 7h 25m.

  • 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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Northampton
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Maidstone
Swindon
Canterbury
Gatwick
Stratford-upon-Avon
Ipswich
Ilford
Dartford
Guildford
Colchester
Worthing
Hounslow
Swanage
Salisbury

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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