How long is the flight from London to Kos?

A quick flight from London to Kos can take about 3h 50m. Ryanair provides one of the quickest options available for as low as £116. London and Kos are separated by a distance of 1670 mi. When browsing for deals, the options you’ll see will be for both direct flights and flights with stops.

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

Cheapflights users have booked flights from London to Kos round-trip from £35. Other airlines that can offer you cheap pricing are easyJet, from £101, and British Airways, from £114. Ryanair is currently priced 85% below the average price you’ll pay for this route.

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

For one-way options, check prices for Ryanair. According to our data, you can fly for as low as £48. Users have also found prices from £54 and £58 on easyJet and Jet2, respectively.

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.

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).

What are the most popular routes from London to Kos?

The most popular flight routes from London to Kos are London Gatwick - Kos, London Heathrow - Kos and London Stansted - Kos.

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

Before booking your flight from London to Kos check out the most popular airlines for this route: Aegean Airlines, British Airways or Lufthansa.

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

Kos (KGS), located 12.8 mi from the city center, is the airport you fly into when you book flights from London to Kos. 7 airlines have flights to Kos from London on a regular basis. Booking flights from London to Kos should not be difficult; the airport handles an average of 0 inbound flights from London per day.

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

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

How can I find direct flights from London to Kos?

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

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

Yes. Cheapflights offers flight deals from London 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.

£40+ Flights from London to Kos

Q: How much does it cost for a return flight from London to Kos?

Airfare is below average for this route at the moment. London to Kos flights typically cost between £161 and £295 in September. The cheapest return flight price found within the last 3 days was £116 on Ryanair (29 Sept-2 Oct).

Cheapflights Tip: The best prices from London to Kos are usually found in April or January, booked 9 days in advance, depart on a Thursday or Monday and return on a Thursday

Cheap flight deals from London to Kos

Round-trip from	£116
One-way from	£40
Popular in	December
Cheapest in	April
Average price	£216
Good round-trip deal	£165 or less
Good one-way deal	£59 or less

Ryanair
29/9-2/10
Nonstop
8h 00m total
London to Kos

Search Deals

Ryanair
13/10
Nonstop
3h 50m total
London to Kos

Search Deals

Highest demand for flights based on searches. 11% potential increase in price (£24 potential increase over avg. return price).

Search Deals

Cheapest flight prices on average. 9% potential price decrease (£16 potential savings vs. average return price).

Search Deals

Average for round-trip flights in September 2025

Search Deals

Price to beat on a round-trip flight from London (LON) to Kos.

Search Deals

Price to beat on a one-way flight from London (LON) to Kos.

Search Deals

Find flight deals from London to Kos

Cheapest flights from London to Kos
Explore the most affordable flight options available from London to Kos. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 17 September 2025.

Mon 29/910:45STN - KGS

Nonstop3h 50mRyanair

Thu 2/1015:05KGS - STN

Nonstop4h 10mRyanair

Deal found 15/9£116

Mon 22/921:50STN - KGS

1 stop15h 15mRyanair

Thu 25/915:05KGS - STN

Nonstop4h 10mRyanair

Deal found 16/9£117

Mon 29/907:35LGW - KGS

Nonstop4h 00measyJet

Thu 2/1022:00KGS - LGW

Nonstop4h 15measyJet

Deal found 15/9£117

Thu 2/1008:45STN - KGS

Nonstop3h 50mRyanair

Thu 16/1015:05KGS - STN

Nonstop4h 10mRyanair

Deal found 15/9£117

Thu 25/908:45STN - KGS

Nonstop3h 50mRyanair

Thu 2/1010:20KGS - STN

1 stop14h 50mRyanair

Deal found 16/9£120

Wed 1/1021:05STN - KGS

1 stop12h 45mRyanair

Thu 16/1010:20KGS - STN

1 stop6h 20mRyanair

Deal found 16/9£122

Wed 1/1020:50LGW - KGS

1 stop13h 00mMultiple Airlines

Thu 16/1010:20KGS - LGW

1 stop14h 25mMultiple Airlines

Deal found 16/9£123

Wed 8/1013:40LGW - KGS

Nonstop3h 55mMultiple Airlines

Sun 12/1000:45KGS - LGW

Nonstop4h 10mMultiple Airlines

Deal found 15/9£125

Sun 19/1007:30STN - KGS

1 stop11h 05mRyanair

Tue 21/1015:30KGS - STN

1 stop7h 40mRyanair

Deal found 16/9£127

Wed 8/1018:35STN - KGS

1 stop13h 00mMultiple Airlines

Mon 13/1018:45KGS - STN

2 stops30h 00mMultiple Airlines

Deal found 15/9£128

Mon 22/907:35LGW - KGS

Nonstop4h 00measyJet

Thu 25/922:00KGS - LGW

Nonstop4h 15measyJet

Deal found 16/9£130

Sat 1/1105:40STN - KGS

Nonstop4h 00mMultiple Airlines

Tue 4/1121:45KGS - STN

1 stop28h 05mMultiple Airlines

Deal found 15/9£133

Best flights from London to Kos
Discover carefully curated flight deals from London to Kos that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 17 September 2025.

Mon 29/910:45STN - KGS

Nonstop3h 50mRyanair

Thu 2/1015:05KGS - STN

Nonstop4h 10mRyanair

Deal found 15/9£116

Mon 29/907:35LGW - KGS

Nonstop4h 00measyJet

Thu 2/1022:00KGS - LGW

Nonstop4h 15measyJet

Deal found 15/9£117

Sat 1/1105:40STN - KGS

Nonstop4h 00mMultiple Airlines

Tue 4/1121:45KGS - STN

1 stop28h 05mMultiple Airlines

Deal found 15/9£133

Wed 15/1020:05LHR - KGS

1 stop12h 05mSWISS

Wed 22/1020:40KGS - LHR

1 stop13h 15mSWISS

Deal found 16/9£150

Wed 1/1009:05LHR - KGS

1 stop9h 45mAustrian Airlines

Wed 8/1021:40KGS - LHR

1 stop12h 40mAustrian Airlines

Deal found 17/9£164

Sat 1/1108:45LHR - KGS

1 stop8h 40mLufthansa

Wed 5/1118:55KGS - LHR

1 stop6h 00mLufthansa

Deal found 16/9£175

Wed 1/1022:15LHR - KGS

1 stop23h 40mAegean Airlines

Thu 16/1018:10KGS - LHR

1 stop25h 45mAegean Airlines

Deal found 16/9£175

Thu 2/1008:45STN - KGS

Nonstop3h 50mRyanair

Thu 16/1015:05KGS - STN

Nonstop4h 10mRyanair

Deal found 15/9£117

Wed 1/1021:05STN - KGS

1 stop12h 45mRyanair

Thu 16/1010:20KGS - STN

1 stop6h 20mRyanair

Deal found 16/9£122

Wed 8/1009:10LTN - KGS

2 stops24h 40mMultiple Airlines

Mon 13/1018:45KGS - LTN

2 stops28h 25mMultiple Airlines

Deal found 15/9£135

Thu 2/1015:10LGW - KGS

Nonstop4h 00measyJet

Thu 16/1022:00KGS - LGW

Nonstop4h 15measyJet

Deal found 16/9£153

Sun 19/1007:30STN - KGS

1 stop11h 05mRyanair

Tue 21/1015:30KGS - STN

1 stop7h 40mRyanair

Deal found 16/9£127

Fri 31/1013:55STN - KGS

Nonstop4h 00mMultiple Airlines

Wed 5/1121:45KGS - STN

1 stop18h 40mMultiple Airlines

Deal found 16/9£141

Tue 14/1009:25LCY - KGS

1 stop8h 15mSWISS

Tue 21/1020:30KGS - LCY

1 stop14h 20mSWISS

Deal found 16/9£164

Tue 14/1006:35STN - KGS

1 stop6h 30mMultiple Airlines

Tue 21/1015:30KGS - STN

2 stops22h 55mMultiple Airlines

Deal found 16/9£146

Wed 15/1009:25LCY - KGS

1 stop8h 30mSWISS

Wed 22/1020:40KGS - LCY

1 stop14h 10mSWISS

Deal found 16/9£168

Sun 5/1017:50LGW - KGS

Nonstop4h 00measyJet

Wed 15/1014:55KGS - LGW

Nonstop4h 20measyJet

Deal found 16/9£171

Mon 13/1010:45STN - KGS

Nonstop3h 50mRyanair

Mon 20/1018:45KGS - STN

2 stops28h 55mRyanair

Deal found 15/9£144

Sun 5/1019:30LHR - KGS

1 stop22h 30mAustrian Airlines

Wed 15/1021:40KGS - LHR

1 stop12h 40mAustrian Airlines

Deal found 15/9£197

Thu 30/1007:10LGW - KGS

Nonstop4h 05mMultiple Airlines

Thu 6/1116:35KGS - LGW

1 stop8h 25mMultiple Airlines

Deal found 15/9£149

Fri 31/1022:15LHR - KGS

1 stop7h 50mAegean Airlines

Fri 7/1120:40KGS - LHR

1 stop26h 35mAegean Airlines

Deal found 16/9£208

Tue 14/1007:00LHR - KGS

2 stops10h 40mSWISS

Tue 21/1020:30KGS - LHR

1 stop21h 55mSWISS

Deal found 16/9£180

Tue 14/1019:15LTN - KGS

2 stops26h 40mMultiple Airlines

Tue 21/1015:30KGS - LTN

2 stops17h 45mMultiple Airlines

Deal found 16/9£150

Mon 13/1019:15LTN - KGS

2 stops17h 50mMultiple Airlines

Fri 17/1022:25KGS - LTN

2 stops14h 20mMultiple Airlines

Deal found 15/9£150

Wed 1/1014:25LGW - KGS

Nonstop3h 55mMultiple Airlines

Thu 16/1022:00KGS - LGW

Nonstop4h 15mMultiple Airlines

Deal found 16/9£152

Mon 13/1015:10LTN - KGS

2 stops21h 55mMultiple Airlines

Mon 20/1018:45KGS - LTN

2 stops16h 00mMultiple Airlines

Deal found 15/9£155

Mon 29/919:15LTN - KGS

2 stops20h 10mMultiple Airlines

Thu 2/1010:20KGS - LTN

2 stops14h 55mMultiple Airlines

Deal found 15/9£166

Sun 19/1021:50LTN - KGS

2 stops16h 45mMultiple Airlines

Tue 21/1015:30KGS - LTN

2 stops17h 45mMultiple Airlines

Deal found 16/9£166

Sat 1/1113:25LGW - KGS

1 stop5h 50mMultiple Airlines

Wed 5/1120:35KGS - LGW

1 stop6h 20mMultiple Airlines

Deal found 15/9£167

Fri 31/1020:05LHR - KGS

1 stop19h 00mMultiple Airlines

Wed 5/1118:55KGS - LHR

1 stop6h 00mMultiple Airlines

Deal found 16/9£172

Direct flights from London to Kos
Explore direct flight options from London to Kos based on user searches, and compare prices and availability for your desired travel dates. Data last updated 17 September 2025.

Mon 29/910:45STN - KGS

Nonstop3h 50mRyanair

Thu 2/1015:05KGS - STN

Nonstop4h 10mRyanair

Deal found 15/9£116

Mon 29/907:35LGW - KGS

Nonstop4h 00measyJet

Thu 2/1022:00KGS - LGW

Nonstop4h 15measyJet

Deal found 15/9£117

Thu 2/1008:45STN - KGS

Nonstop3h 50mRyanair

Thu 16/1015:05KGS - STN

Nonstop4h 10mRyanair

Deal found 15/9£117

Wed 8/1013:40LGW - KGS

Nonstop3h 55mMultiple Airlines

Sun 12/1000:45KGS - LGW

Nonstop4h 10mMultiple Airlines

Deal found 15/9£125

Thu 2/1015:10LGW - KGS

Nonstop4h 00measyJet

Thu 16/1022:00KGS - LGW

Nonstop4h 15measyJet

Deal found 14/9£135

Sun 5/1017:15LGW - KGS

Nonstop3h 55mTUI Airways

Wed 15/1020:40KGS - LGW

Nonstop4h 05mTUI Airways

Deal found 15/9£140

Thu 2/1015:10LGW - KGS

Nonstop4h 00measyJet

Thu 9/1022:00KGS - LGW

Nonstop4h 15measyJet

Deal found 15/9£142

Wed 15/1013:40LGW - KGS

Nonstop3h 55mTUI Airways

Wed 22/1020:40KGS - LGW

Nonstop4h 05mTUI Airways

Deal found 15/9£150

Wed 1/1014:25LGW - KGS

Nonstop3h 55mMultiple Airlines

Thu 16/1022:00KGS - LGW

Nonstop4h 15mMultiple Airlines

Deal found 16/9£152

Tue 14/1006:00LGW - KGS

Nonstop3h 55mTUI Airways

Tue 21/1013:20KGS - LGW

Nonstop4h 05mTUI Airways

Deal found 16/9£161

Thu 9/1015:10LGW - KGS

Nonstop4h 00measyJet

Thu 16/1022:00KGS - LGW

Nonstop4h 15measyJet

Deal found 15/9£166

Sun 5/1017:50LGW - KGS

Nonstop4h 00measyJet

Wed 15/1014:55KGS - LGW

Nonstop4h 20measyJet

Deal found 16/9£171

Last-minute flights from London to Kos
Discover last-minute flight deals from London to Kos. Data last updated 17 September 2025 and is based on user searches.

Mon 22/921:50STN - KGS

1 stop15h 15mRyanair

Thu 25/915:05KGS - STN

Nonstop4h 10mRyanair

Deal found 16/9£117

Mon 22/907:35LGW - KGS

Nonstop4h 00measyJet

Thu 25/922:00KGS - LGW

Nonstop4h 15measyJet

Deal found 16/9£130

Thu 25/908:45STN - KGS

Nonstop3h 50mRyanair

Thu 2/1010:20KGS - STN

1 stop14h 50mRyanair

Deal found 16/9£120

Thu 25/908:10LGW - KGS

1 stop11h 55mMultiple Airlines

Thu 2/1012:15KGS - LGW

1 stop9h 25mMultiple Airlines

Deal found 16/9£134

Mon 29/910:45STN - KGS

Nonstop3h 50mRyanair

Thu 2/1015:05KGS - STN

Nonstop4h 10mRyanair

Deal found 15/9£116

Mon 29/916:00STN - KGS

2 stops24h 30mMultiple Airlines

Thu 2/1012:15KGS - STN

1 stop12h 25mMultiple Airlines

Deal found 15/9£135

Wed 1/1021:05STN - KGS

1 stop12h 45mRyanair

Thu 16/1010:20KGS - STN

1 stop6h 20mRyanair

Deal found 16/9£122

Thu 2/1008:45STN - KGS

Nonstop3h 50mRyanair

Thu 16/1015:05KGS - STN

Nonstop4h 10mRyanair

Deal found 15/9£117

Wed 8/1018:35STN - KGS

1 stop13h 00mMultiple Airlines

Mon 13/1018:45KGS - STN

2 stops30h 00mMultiple Airlines

Deal found 15/9£128

Wed 8/1009:10LTN - KGS

2 stops24h 40mMultiple Airlines

Mon 13/1018:45KGS - LTN

2 stops28h 25mMultiple Airlines

Deal found 15/9£135

Mon 13/1007:30STN - KGS

1 stop8h 50mRyanair

Fri 17/1022:25KGS - STN

1 stop10h 40mRyanair

Deal found 15/9£139

Sun 19/1007:30STN - KGS

1 stop11h 05mRyanair

Tue 21/1015:30KGS - STN

1 stop7h 40mRyanair

Deal found 16/9£127

One-way flights from London to Kos
Search for one-way flight options from London to Kos. Find affordable one-way fares based on user searches. Data last updated 17 September 2025.

Mon 13/1010:45STN - KGS

Nonstop3h 50mRyanair

Deal found 16/9£40

Thu 16/1008:45STN - KGS

Nonstop3h 50mRyanair

Deal found 16/9£48

Mon 22/907:35LGW - KGS

Nonstop4h 00measyJet

Deal found 16/9£54

Mon 22/916:40STN - KGS

Nonstop4h 00mJet2

Deal found 16/9£58

Tue 23/916:25STN - KGS

Nonstop4h 00mJet2

Deal found 14/9£59

Tue 21/1007:00LTN - KGS

1 stop25h 55measyJet

Deal found 15/9£60

Fri 17/1006:30STN - KGS

1 stop13h 30mRyanair

Deal found 15/9£65

Tue 23/908:00LGW - KGS

1 stop10h 35mMultiple Airlines

Deal found 14/9£65

Tue 21/1006:35STN - KGS

1 stop6h 30mMultiple Airlines

Deal found 15/9£66

Tue 23/906:35STN - KGS

1 stop6h 30mMultiple Airlines

Deal found 14/9£68

Tue 23/907:10LTN - KGS

1 stop12h 45mMultiple Airlines

Deal found 14/9£68

Sun 12/1007:30STN - KGS

1 stop11h 05mRyanair

Deal found 15/9£69

Fly from

Fly to

Route

Depart

Return

Price

LondonKos

STN - KGS

STNKGS

London Stansted

Mon 29/9

10:45-16:35

Nonstop3h 50m

Kos

Thu 2/10

15:05-17:15

Nonstop4h 10m

£116

LondonKos

LGW - KGS

LGWKGS

London Gatwick

Mon 29/9

07:35-13:35

Nonstop4h 00m

Kos

Thu 2/10

22:00-00:15

Nonstop4h 15m

£117

LondonKos

STN - KGS

STNKGS

London Stansted

Thu 2/10

08:45-14:35

Nonstop3h 50m

Kos

Thu 16/10

15:05-17:15

Nonstop4h 10m

£117

LondonKos

STN - KGS

STNKGS

London Stansted

Wed 1/10

21:05-11:50

1 stop12h 45m

Kos

Thu 16/10

10:20-14:40

1 stop6h 20m

£122

LondonKos

STN - KGS

STNKGS

London Stansted

Sun 19/10

07:30-20:35

1 stop11h 05m

Kos

Tue 21/10

15:30-21:10

1 stop7h 40m

£127

LondonKos

STN - KGS

STNKGS

London Stansted

Sat 1/11

05:40-11:40

Nonstop4h 00m

Kos

Tue 4/11

21:45-23:50

1 stop28h 05m

£133

LondonKos

LTN - KGS

LTNKGS

London Luton

Wed 8/10

09:10-11:50

2 stops24h 40m

Kos

Mon 13/10

18:45-21:10

2 stops28h 25m

£135

LondonKos

STN - KGS

STNKGS

London Stansted

Fri 31/10

13:55-19:55

Nonstop4h 00m

Kos

Wed 5/11

21:45-14:25

1 stop18h 40m

£141

LondonKos

STN - KGS

STNKGS

London Stansted

Mon 13/10

10:45-16:35

Nonstop3h 50m

Kos

Mon 20/10

18:45-21:40

2 stops28h 55m

£144

LondonKos

STN - KGS

STNKGS

London Stansted

Tue 14/10

06:35-15:05

1 stop6h 30m

Kos

Tue 21/10

15:30-12:25

2 stops22h 55m

£146

Flights are sorted by cheapest return flights first.

Deals found on 16/9

Showing 1-10 of 60 results

...

Best time to book a flight from London to Kos

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

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

The price you pay for your flight from London to Kos may vary depending on when you book. For the best chance of a lower fare, look to book 9 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.

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

Unlike in the morning, when flights are generally more expensive, you can save up to 34% on flights from London to Kos by exploring options for tickets in the afternoon.

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

Travellers seeking maximum savings on their London to Kos flight should consider departing on Thursday evenings 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.

How much does it cost for a return flight from London to Kos?

Reviews of airlines servicing Kos

Get a feel of what it's like to fly with Jet2, easyJet, andRyanair from London to Kos by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.

Jet2

8.3

Very Good

169 reviews

Check prices

Reviews

1 / 16

8.0

Excellent

Anonymous,Mar 2025

GVA - LBA

Good other than the 15-20 min walk to boarding gate from terminal.

Jet2

8.3

Very Good

169 reviews

Jet2

8.3

Very Good

169 reviews

Check prices

Reviews

1 / 16

8.0

Excellent

Anonymous,Mar 2025

GVA - LBA

Good other than the 15-20 min walk to boarding gate from terminal.

easyJet

6.9

Okay

1,820 reviews

Jet2

8.3

Very Good

169 reviews

Check prices

Reviews

1 / 16

8.0

Excellent

Anonymous,Mar 2025

GVA - LBA

Good other than the 15-20 min walk to boarding gate from terminal.

Ryanair

6.8

Okay

5,157 reviews

Jet2

8.3

Very Good

169 reviews

Check prices

Reviews

1 / 16

8.0

Excellent

Anonymous,Mar 2025

GVA - LBA

Good other than the 15-20 min walk to boarding gate from terminal.

British Airways

6.7

Okay

7,363 reviews

Jet2

8.3

Very Good

169 reviews

Check prices

Reviews

1 / 16

8.0

Excellent

Anonymous,Mar 2025

GVA - LBA

Good other than the 15-20 min walk to boarding gate from terminal.

Related info for your journey

What airport do you fly into for flights to Kos from London?
Kos (KGS), located 12.8 mi from the city center, is the airport you fly into when you book flights from London to Kos. 7 airlines have flights to Kos from London on a regular basis. Booking flights from London to Kos should not be difficult; the airport handles an average of 0 inbound flights from London per day.
How long is the flight from London to Kos?
A quick flight from London to Kos can take about 3h 50m. Ryanair provides one of the quickest options available for as low as £116. London and Kos are separated by a distance of 1670 mi. When browsing for deals, the options you’ll see will be for both direct flights and flights with stops.
What are the cheapest airlines flying from London to Kos round-trip?
Cheapflights users have booked flights from London to Kos round-trip from £35. Other airlines that can offer you cheap pricing are easyJet, from £101, and British Airways, from £114. Ryanair is currently priced 85% below the average price you’ll pay for this route.
What are the cheapest airlines to fly from London to Kos one-way?
For one-way options, check prices for Ryanair. According to our data, you can fly for as low as £48. Users have also found prices from £54 and £58 on easyJet and Jet2, respectively.
What are the most popular routes from London to Kos?
The most popular flight routes from London to Kos are London Gatwick - Kos, London Heathrow - Kos and London Stansted - Kos.
Can I find deals for flights from London to Kos that include hotel bookings?
Yes. In addition to deals on London to Kos flights, Cheapflights offers holiday packages that include both flights and hotel.
How can I find direct flights from London to Kos?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from London to Kos.
Can I find deals for business class flights from London to Kos?
Yes. Cheapflights offers flight deals from London 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

Marmari

Kardamena

Browse thousands of different options on Cheapflights for your next trip

Top 7 airlines flying from London to Kos

Airline	Cheapest	Average	Flexibility	On-time
Ryanair	Cheapest£35	Average£191	FlexibilityNo cancel fee	On-timeN/A	Search Ryanair flights
easyJet	Cheapest£101	Average£214	FlexibilityNo cancel fee	On-time86%	Search easyJet flights
British Airways	Cheapest£114	Average£339	FlexibilityNo cancel fee	On-time70%	Search British Airways flights
TUI Airways	Cheapest£121	Average£415	FlexibilityNo cancel fee	On-timeN/A	Search TUI Airways flights
Lufthansa	Cheapest£132	Average£203	FlexibilityNo cancel fee	On-time76%	Search Lufthansa flights
Aegean Airlines	Cheapest£169	Average£265	FlexibilityNo cancel fee	On-time87%	Search Aegean Airlines flights
Jet2	Cheapest£178	Average£348	FlexibilityNo cancel fee	On-timeN/A	Search Jet2 flights

Fly with Cheapflights

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

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

Cheapflights helps you find that perfect flight to Kos from London by searching from hundreds of airlines and agencies you know and love. We are also free to use, in case you were wondering!

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

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Cheap flights from London to Kos from £40

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 13/10. Fares are subject to change and may not be available on all flights or dates of travel.

Cheapflights Tip: The best prices from London to Kos are usually found in April or January, booked 9 days in advance, depart on a Thursday or Monday and return on a Thursday

Cheap flight deals from London to Kos

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Find flight deals from London to Kos

Cheapest flights from London to KosExplore the most affordable flight options available from London to Kos. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 17 September 2025.

Explore the most affordable flight options available from London to Kos. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 17 September 2025.

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Use the filters below to find and compare flights from London to Kos that are best for you.

Best time to book a flight from London to Kos

Have a flexible travel schedule? Discover the best time to fly to Kos from London with our price prediction graph.

Cheapflights Insights

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

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

Use this chart to determine the optimal time to book a return flight from London to Kos. Price data was last updated on 12 September 2025.

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

Find hourly flight availability from London 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 17 September 2025.

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

Use this chart to determine the cheapest time to fly return from London to Kos. Price data was last updated on 16 December 2024.

How much does it cost for a return flight from London to Kos?

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 17 September 2025.

Get a feel of what it's like to fly with Jet2, easyJet, andRyanair from London to Kos by reading reviews from past customers. Users have also rated airlines 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 London to Kos. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

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Travelling to a place near Kos?

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Fly from London to Kos on these airlines

Choose from the following airlines for your flight from London to Kos. Flights are based on user searches made on Cheapflights and were last updated on 17 September 2025.

Top 7 airlines flying from London to Kos

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Cheapest flights from London to Kos
Explore the most affordable flight options available from London to Kos. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 17 September 2025.