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Cheap flights from Kos to London Heathrow Airport from £91

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 7/6. Fares are subject to change and may not be available on all flights or dates of travel.
KGS — LHR
30 Mar — 6 Apr1
1 adult

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 25 March 2025.

Popular in

May

Cheapest in

April
Highest demand for flights based on searches. 2% potential increase in price (£5 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 11% potential price decrease (£20 potential savings vs. average return price).
Search Deals

Find flight deals from Kos to Heathrow

One-way flights from Kos to Heathrow
Search for one-way flight options from Kos to Heathrow. Find affordable one-way fares based on user searches. Data last updated 25 March 2025.

Sat 7/618:25KGS - LHR
1 stop5h 50mMultiple Airlines
Deal found 25/3£91
Sun 8/606:00KGS - LHR
1 stop7h 15mAegean Airlines
Deal found 25/3£114
Sun 6/711:25KGS - LHR
1 stop12h 10mBrussels Airlines
Deal found 24/3£135
Sun 31/817:05KGS - LHR
1 stop27h 45mEurowings
Deal found 24/3£186
Sun 6/715:15KGS - LHR
2 stops53h 15mSWISS
Deal found 25/3£206
Sat 31/520:15KGS - LHR
2 stops23h 25mLufthansa
Deal found 24/3£268

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 25 March 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

Sat 7/6

18:25-22:15

1 stop5h 50m

£91

KosLondon

KGS - LHR

KGSLHR

Kos

Sun 8/6

06:00-11:15

1 stop7h 15m

£114

KosLondon

KGS - LHR

KGSLHR

Kos

Sun 6/7

11:25-21:35

1 stop12h 10m

£135

KosLondon

KGS - LHR

KGSLHR

Kos

Sun 31/8

17:05-18:50

1 stop27h 45m

£186

KosLondon

KGS - LHR

KGSLHR

Kos

Sun 6/7

15:15-18:30

2 stops53h 15m

£206

KosLondon

KGS - LHR

KGSLHR

Kos

Sat 31/5

20:15-17:40

2 stops23h 25m

£268

Flights are sorted by cheapest return flights first.

Deals found on 25/3

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.

Cheapflights Insights

Everything you need to know about your flight from Kos to London Heathrow Airport

Rainfall in Heathrow by month

Plan your trip to Heathrow by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in London Heathrow Airport ranges from 40.0 - 70.0 inches per month. January is typically the wettest month, when rainfall can reach 70.0 mm. July is typically the driest time to visit London Heathrow Airport when rainfall is around 40.0 mm.

Temperature in Heathrow by month

Plan your trip to Heathrow by taking into account the average temperature totals by month.

If weather is an important factor for your trip to London Heathrow Airport, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 17.0 C. Travellers hoping to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 4.0 C).

Reviews of airlines servicing Heathrow

Get insights into the airlines that provide service to Heathrow. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Heathrow. Reviews last updated 25 March 2025.
Aegean Airlines
8.1
Very Good
729 reviews
Check prices

Entertainment

6.9

Boarding

7.8

Food

7.3

Comfort

7.8

Overall

8.1

Crew

8.6

Reviews

1 / 20
10.0
Excellent

Anonymous,Nov 2024

SKG - FRA

I am very proud of them. Everything was very nice everything thank you
Aegean Airlines
8.1
Very Good
729 reviews
Aegean Airlines
8.1
Very Good
729 reviews
Check prices

Entertainment

6.9

Boarding

7.8

Food

7.3

Comfort

7.8

Overall

8.1

Crew

8.6

Reviews

1 / 20
10.0
Excellent

Anonymous,Nov 2024

SKG - FRA

I am very proud of them. Everything was very nice everything thank you
SWISS
7.5
Good
1,569 reviews
Aegean Airlines
8.1
Very Good
729 reviews
Check prices

Entertainment

6.9

Boarding

7.8

Food

7.3

Comfort

7.8

Overall

8.1

Crew

8.6

Reviews

1 / 20
10.0
Excellent

Anonymous,Nov 2024

SKG - FRA

I am very proud of them. Everything was very nice everything thank you
Brussels Airlines
7.4
Good
344 reviews
Aegean Airlines
8.1
Very Good
729 reviews
Check prices

Entertainment

6.9

Boarding

7.8

Food

7.3

Comfort

7.8

Overall

8.1

Crew

8.6

Reviews

1 / 20
10.0
Excellent

Anonymous,Nov 2024

SKG - FRA

I am very proud of them. Everything was very nice everything thank you
Lufthansa
6.7
Okay
6,950 reviews
Aegean Airlines
8.1
Very Good
729 reviews
Check prices

Entertainment

6.9

Boarding

7.8

Food

7.3

Comfort

7.8

Overall

8.1

Crew

8.6

Reviews

1 / 20
10.0
Excellent

Anonymous,Nov 2024

SKG - FRA

I am very proud of them. Everything was very nice everything thank you
Eurowings
6.6
Okay
274 reviews
Aegean Airlines
8.1
Very Good
729 reviews
Check prices

Entertainment

6.9

Boarding

7.8

Food

7.3

Comfort

7.8

Overall

8.1

Crew

8.6

Reviews

1 / 20
10.0
Excellent

Anonymous,Nov 2024

SKG - FRA

I am very proud of them. Everything was very nice everything thank you

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.

  • What are the cheapest airlines to fly from Kos to London Heathrow Airport one-way?

    One-way options have recently been found by users for as low as £114 on Aegean Airlines. Other airlines that offer cheap prices include Brussels Airlines from £135 and Eurowings from £186 one-way.

  • 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.

  • What is the cheapest month to book a flight from Kos to London Heathrow Airport?

    Currently, January is the cheapest month in which you can book a flight from Kos to London Heathrow Airport (average of £112). Flying from Kos to London Heathrow Airport in August is currently the most expensive (average of £164). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Travelling to a place near Kos?

Book flights to Kos if you plan to visit one of these locations
Hounslow
Deal
Milton Keynes
Gatwick
Croydon
Luton
Slough
Eastbourne
Wembley
Northampton
Swindon
Hayes
Ilford
Crawley
Southend-on-Sea
Winchester
Maidstone
Ipswich
Watford
Southall

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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?

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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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