Question 1

What are the cheapest airlines flying from London Heathrow Airport to Kos round-trip?

Accepted Answer

Our cheapest airline available from London Heathrow Airport to Kos is Lufthansa. Our recent data shows that you can find tickets from as low as £135 on this airline. Additional options worth looking into are Austrian Airlines and Aegean Airlines, starting at £149 and £194 round-trip. Lufthansa is 54% cheaper than the average price of flights available within the next 90 days to this destination.

Question 2

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

Accepted Answer

The cheapet airlines for a one-way flight from London Heathrow Airport to Kos are Aegean Airlines (£90), Eurowings (£105), and Lufthansa (£113).

Question 3

What is the cheapest day to fly from London Heathrow Airport to Kos?

Accepted Answer

Travellers seeking maximum savings on their London Heathrow Airport to Kos flight should consider departing on Thursday at midday when fares are most often at their lowest. Saturday mornings flights should be avoided if possible as fares are typically the most expensive at this time.

Question 4

E

Accepted Answer

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.

Question 5

E

Accepted Answer

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).

Question 6

What are the most popular airlines that fly from London Heathrow Airport to Kos?

Accepted Answer

Consider Aegean Airlines, British Airways or SWISS when booking your flight. These represent the most popular airlines when flying from London Heathrow Airport to Kos.

Question 7

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

Accepted Answer

Users have found that leaving on a Tuesday can be a cost-effective option. It’s possible to save up to 95% on your flight compared to booking on days when demand is much higher.

Question 8

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

Accepted Answer

Users have found that booking a flight from London Heathrow Airport to Kos at least 24 days early can save you up to 42% on average compared to booking a flight this week. If booking 24 days before your flight isn’t an option for you, users have found flights from London Heathrow Airport to Kos for as little as £110 when booking for a departure date within the next two weeks. You can also check prices now. Some users have found airline tickets as low as £170 for flights departing within the next 3 days.

Question 9

What is the cheapest month to fly from London Heathrow Airport to Kos?

Accepted Answer

Due to multiple factors, expect to potentially pay more when booking in December. For low rates, April can be a great choice for travel to Kos. Flights to Kos from London Heathrow Airport in April are about £245 on average during April, but can be found for as low as £47.

Question 10

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

Accepted Answer

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 58% on your trip compared to booking a flight in the morning.

Question 11

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

Accepted Answer

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 3 airlines. Kos is conveniently located just 12.8 mi from Kos’s city center.

Question 12

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

Accepted Answer

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

Question 13

How can I find direct flights from Heathrow to Kos?

Accepted Answer

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

Question 14

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

Accepted Answer

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.

Question 15

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

Accepted Answer

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.

Question 16

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

Accepted Answer

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.

Question 17

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

Accepted Answer

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

Question 18

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

Accepted Answer

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!

Round-trip from	£135
One-way from	£90
Popular in	December
Cheapest in	January
Average price	£293

Airline	Cheapest	Average	Flexibility	On-time
SWISS	Cheapest£158	Average£352	FlexibilityNo cancel fee	On-time79%	Search SWISS flights
Aegean Airlines	Cheapest£169	Average£252	FlexibilityNo cancel fee	On-time87%	Search Aegean Airlines flights
British Airways	Cheapest£197	Average£410	FlexibilityNo cancel fee	On-time70%	Search British Airways flights

Cheap flights from London Heathrow Airport to Kos from £90

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 27/8. Fares are subject to change and may not be available on all flights or dates of travel.

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Cheapest flights from Heathrow to KosExplore 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 11 July 2025.

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 11 July 2025.

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Best time to book a flight from Heathrow to Kos

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

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 11 July 2025.

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 11 July 2025.

Check out reviews from past customers who have flown with Aegean Airlines, Austrian Airlines, andSWISS from London Heathrow Airport to Kos to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.

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?

What are the cheapest airlines flying from London Heathrow Airport to Kos round-trip?

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

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

How can I find direct flights from Heathrow to Kos?

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

Travelling to a place near London Heathrow Airport?

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Alternative routes for Heathrow to Kos

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Top 3 airlines flying from Heathrow to Kos

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

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

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

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

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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 11 July 2025.