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Cheap flights from London Heathrow Airport to Kos from £117

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 6/2. Fares are subject to change and may not be available on all flights or dates of travel.
LHR — KGS
24 Dec — 31 Dec1
1 adult

Cheap flight deals from Heathrow to Kos

Discover tips and strategies to find the most affordable flight options for your journey from Heathrow (LHR) to Kos (KGS). 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 19 December 2024.

Round-trip from

£150

One-way from

£117

Popular in

December

Cheapest in

February

Average price

£520
Aegean Airlines
  • Aegean Airlines
  • 18/1-22/1
  • 2 total stops
  • 26h 30m total
  • London to Kos
Aegean Airlines
  • Aegean Airlines
  • 6/2
  • 1 total stop
  • 17h 30m total
  • London to Kos
High demand for flights, 7% potential price rise
Best time to find cheap flights, 7% potential price drop
Average for round-trip flights in December 2024

Find flight deals from Heathrow to Kos

Cheapest flights from Heathrow to Kos
Explore the most affordable flight options available from Heathrow to Kos. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 19 December 2024.

Mon 30/1219:00LHR - KGS
1 stop11h 05mMultiple Airlines
Thu 2/108:35KGS - LHR
2 stops27h 00mMultiple Airlines
Deal found 18/12£610

Find flights from Heathrow to Kos within your budget

Customise your flight search to find flights from Heathrow to Kos 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 19 December 2024.

Fly from

Any airport

Fly to

Any airport

Route

Depart

Return

Price

LondonKos

LHR - KGS

LHRKGS

London Heathrow

Sat 18/1

22:15-12:05

1 stop11h 50m

Kos

Wed 22/1

08:35-21:15

1 stop14h 40m

£150

LondonKos

LHR - KGS

LHRKGS

London Heathrow

Sat 18/1

22:15-11:30

1 stop11h 15m

Kos

Wed 22/1

20:35-15:40

2 stops21h 05m

£233

LondonKos

LHR - KGS

LHRKGS

London Heathrow

Thu 6/2

16:35-12:05

1 stop17h 30m

£117

LondonKos

LHR - KGS

LHRKGS

London Heathrow

Thu 6/2

08:25-18:10

2 stops31h 45m

£156

Flights are sorted by cheapest return flights first.

Deals found on 19/12

Best time to book a flight from Heathrow to Kos

Have a flexible travel schedule? Discover the best time to fly to Kos from Heathrow 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.

Travel insights for flights from Heathrow to Kos

Get recent, data-driven insights about flights from Heathrow to Kos including ideal travel times, pricing trends, and more.

How far ahead should I book a flight from London Heathrow Airport to Kos?

Use this chart to determine the optimal time to book a return flight from Heathrow to Kos. Price data was last updated on 13 December 2024.

The best time to book flights from London Heathrow Airport to Kos is 55 days before your desired departure date. The cost of your flight will likely increase significantly if you book two weeks in advance of your flight.

What is the cheapest time of day to fly from LHR to KGS?

Find hourly flight availability from Heathrow to Kos. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 19 December 2024.

A simple way to save on the total cost of your ticket is to fly from London Heathrow Airport to Kos in the afternoon. If you’re flexible enough to do this you can expect to save up to 42% on your trip compared to booking a flight in the morning.

Rainfall in Kos by month

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

In terms of precipitation, rainfall in Kos ranges from 2.0 - 169.0 inches per month. January is typically the wettest month, when rainfall can reach 169.0 mm. July is typically the driest time to visit Kos when rainfall is around 2.0 mm.

Temperature in Kos by month

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

If weather is an important factor for your trip to Kos, 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 26.0 C. Travellers hoping to avoid the cold should look outside of February, when temperatures are typically at their lowest (around 10.0 C).

Reviews of airlines servicing Kos

Get insights into the airlines that provide service to Kos. 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 Kos. Reviews last updated 19 December 2024.
8.1
Very Good
750 reviews

Crew

8.6

Food

7.4

Entertainment

7.0

Overall

8.1

Boarding

7.8

Comfort

7.8

Reviews

1 / 10

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

8.1
Very Good
750 reviews
8.1
Very Good
750 reviews

Crew

8.6

Food

7.4

Entertainment

7.0

Overall

8.1

Boarding

7.8

Comfort

7.8

Reviews

1 / 10

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 Heathrow to Kos. 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 into for flights to Kos from London Heathrow?

    Most people fly into Kos (KGS) if they book a flight to Kos from London Heathrow. On average, Kos has 0 inbound flights from London Heathrow per day from 7 airlines. Kos is conveniently located just 12.8 mi from Kos’s city center.

  • What is the cheapest airline to fly from London Heathrow Airport to Kos round-trip?

    Our cheapest airline available from London Heathrow Airport to Kos is Aegean Airlines. Our recent data shows that you can find tickets from as low as £150 on this airline. Aegean Airlines is 50% cheaper than the average price of flights available within the next 90 days to this destination.

  • What are the cheapest flights from London Heathrow Airport to Kos?

    The cheapest flight price from London Heathrow Airport to Kos is £271. On average you can expect to pay £356. The most popular route, (London Heathrow - Kos), can usually be booked for £195.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Heathrow to Kos 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

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Top 7 airlines flying from Heathrow to Kos

Discover the top 7 airlines that operate flights from Heathrow to Kos. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 858,174 searches. Data last updated 19 December 2024.
AirlineCheapestAverageFlexibilityOn-time
easyJetCheapest£61Average£190FlexibilityNo cancel feeOn-time86%
Search easyJet flights
LufthansaCheapest£148Average£323FlexibilityNo cancel feeOn-time76%
Search Lufthansa flights
SWISSCheapest£169Average£341FlexibilityNo cancel feeOn-time79%
Search SWISS flights
Jet2Cheapest£180Average£275FlexibilityNo cancel feeOn-timeN/A
Search Jet2 flights
Aegean AirlinesCheapest£188Average£286FlexibilityNo cancel feeOn-time87%
Search Aegean Airlines flights
British AirwaysCheapest£198Average£370FlexibilityNo cancel feeOn-time70%
Search British Airways flights
EurowingsCheapest£228Average£374FlexibilityNo cancel feeOn-time87%
Search Eurowings flights

Fly with Cheapflights

Find the best flight deals on Cheapflights, where travellers can enjoy low prices and a wide availability of flights to their desired destinations.

How does Cheapflights help users find flights from Heathrow to Kos?

Cheapflights helps you search for flights from Heathrow to Kos via 900+ travel sites so you don’t have to. After performing a flight search, users can also filter their flight selection by filtering for price, number of stops, airlines, and so on.

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

It’s simple! Cheapflights, which is free to use for everyone, saves millions of users time and money every year by helping them find the cheapest and most suitable flights from Heathrow to Kos.

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

Users can book flights with no change fees policies with our dedicated filters. Book flights from Heathrow to Kos flexibly with Cheapflights today.

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

Yes, and it’s super simple to set up. Click the bell icon next to the flight deals above and provide a valid email address to enable Price Alerts. That’s it!

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