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Cheap flights from Kos to London Heathrow Airport from £192

This is the cheapest retur flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 8/1. Fares are subject to change and may not be available on all flights or dates of travel.
KGS — LHR
14 Dec — 21 Dec1
1 adult
1 adult, Economy, 0 bags

Find flight deals from Kos to Heathrow

Enter your travel dates to find the best prices.

Best flights from Kos to Heathrow
Discover carefully curated flight deals from Kos to Heathrow that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 14 November 2025.

Thu 8/112:35KGS - LHR
1 stop7h 20mAegean Airlines
Thu 15/122:15LHR - KGS
1 stop11h 50mAegean Airlines
Deal found 13/11£192
Wed 6/511:15KGS - LHR
1 stop12h 20mBrussels Airlines
Sat 9/506:50LHR - KGS
1 stop25h 30mBrussels Airlines
Deal found 12/11£221
Thu 8/121:45KGS - LHR
2 stops16h 35mMultiple Airlines
Thu 15/122:15LHR - KGS
1 stop11h 50mMultiple Airlines
Deal found 13/11£258
Wed 6/511:50KGS - LHR
2 stops11h 20mAegean Airlines
Sat 9/516:35LHR - KGS
1 stop6h 00mAegean Airlines
Deal found 12/11£340

Cheap flight deals from Kos to Heathrow

Discover tips and strategies to find the most affordable flight options for your journey from Kos (KGS) to Heathrow (LHR). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated 14 November 2025.

Round-trip from

£192
Aegean Airlines
  • Aegean Airlines
  • 8/1-15/1
  • 2 total stops
  • 19h 10m total
  • Kos to London
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Cheapflights Fare Finder

 
Customise your flight search to find flights from Kos to Heathrow 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, Cheapflights users made 858,174 searches. Data last updated 14 November 2025.
Use the filters below to find and compare flights from Kos to London Heathrow Airport that are best for you.

Fly from

Kos

Fly to

Heathrow

Route

Depart

Return

Price

KosLondon

KGS - LHR

KGSLHR

Kos

Thu 8/1

12:35-17:55

1 stop7h 20m

London Heathrow

Thu 15/1

22:15-12:05

1 stop11h 50m

£192

KosLondon

KGS - LHR

KGSLHR

Kos

Wed 6/5

11:15-21:35

1 stop12h 20m

London Heathrow

Sat 9/5

06:50-10:20

1 stop25h 30m

£221

KosLondon

KGS - LHR

KGSLHR

Kos

Thu 8/1

21:45-12:20

2 stops16h 35m

London Heathrow

Thu 15/1

22:15-12:05

1 stop11h 50m

£258

KosLondon

KGS - LHR

KGSLHR

Kos

Wed 6/5

11:50-21:10

2 stops11h 20m

London Heathrow

Sat 9/5

16:35-00:35

1 stop6h 00m

£340

Flights are sorted by cheapest return flights first.

Deals found on 13/11

Best time to book a flight from Kos to Heathrow

Have a flexible travel schedule? Discover the best time to fly to Heathrow from Kos with our price prediction graph.
Estimated return price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Related info for your journey

Find useful and relevant information for your journey from Kos to Heathrow. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly from for flights from Kos to London Heathrow?

    Located just 12.8 mi from the city center, Kos is the airport most travelers will use when flying to London Heathrow from Kos. Booking flights from Kos (KGS) to London Heathrow should be relatively easy as there are 0 daily outbound flights to London Heathrow from 0 different airlines.

  • How long is the flight from Kos to London Heathrow Airport?

    There are many flights that can get you from Kos to London Heathrow Airport in 7h 20m. Fly via Aegean Airlines or Brussels Airlines to get the fastest option. The distance from Kos to London Heathrow Airport is about 1683 mi. This flight may include one or multiple stops.

  • Can I find deals for flights from Kos to Heathrow that include hotel bookings?

    Yes. In addition to deals on Kos to Heathrow flights, Cheapflights offers holiday packages that include both flights and hotel.

  • How can I find direct flights from Kos to Heathrow?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Kos to Heathrow.

  • Can I find deals for business class flights from Kos to Heathrow?

    Yes. Cheapflights offers flight deals from Kos to Heathrow by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

See more FAQs

Travelling to a place near London Heathrow Airport?

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When you search for this flight from Kos to Heathrow, Cheapflights searches on 900+ travel sites to save you time finding great flight deals online. Additionally, we offer filter features so you can choose a preferred cabin class or airline, see different price ranges, and much more so you can book the flight for you.

Why should you use Cheapflights to find cheap flight tickets from Kos to Heathrow?

Cheapflights simply makes it quick and affordable to book flights from Kos to Heathrow by bringing together all flight options from hundreds of airlines and agencies online — and put it in one place for you to choose from. Plus, Cheapflights is 100% free to use for all.

Can Cheapflights find flights from Kos to Heathrow with no change fees?

Yes, we can. To see specific flights from Kos to Heathrow with no change fees, users can toggle flexible booking options after using the search form above to find flights.

Can Cheapflights notify me if prices for flights from Kos to Heathrow become cheaper?

Yes, Cheapflights has a feature called Price Alert, which notifies users when flight prices change. Track prices for your flight to Heathrow from Kos today and book when prices fit your budget.

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