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 21/11. Fares are subject to change and may not be available on all flights or dates of travel.
LON — KGS
7 Dec — 14 Dec1
Return
1 adult
Economy
Return
1 adult, Economy, 0 bags
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
Find flight deals from London to Kos
Enter your travel dates to find the best prices.
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 7 November 2025.
Thu 4/1219:00LHR - KGS
1 stop23h 35mAegean Airlines
Thu 11/1208:35KGS - LHR
1 stop14h 40mAegean Airlines
Deal found 6/11£146
Thu 4/1208:05LGW - KGS
1 stop10h 00mMultiple Airlines
Wed 10/1208:35KGS - LGW
1 stop14h 45mMultiple Airlines
Deal found 5/11£165
Thu 4/1214:50LTN - KGS
2 stops24h 15mMultiple Airlines
Wed 10/1216:40KGS - LTN
1 stop8h 30mMultiple Airlines
Deal found 5/11£167
Thu 4/1206:10STN - KGS
1 stop13h 05mMultiple Airlines
Wed 10/1212:00KGS - STN
1 stop13h 50mMultiple Airlines
Deal found 5/11£170
Thu 4/1219:00LHR - KGS
1 stop15h 05mMultiple Airlines
Thu 11/1212:35KGS - LHR
2 stops11h 25mMultiple Airlines
Deal found 4/11£235
Sat 8/1122:15LHR - KGS
1 stop11h 50mAegean Airlines
Sun 16/1121:05KGS - LHR
1 stop16h 05mAegean Airlines
Deal found 5/11£243
Thu 4/1207:40LHR - KGS
2 stops26h 25mMultiple Airlines
Wed 10/1216:40KGS - LHR
1 stop6h 35mMultiple Airlines
Deal found 5/11£270
Sun 9/1117:50LHR - KGS
2 stops16h 15mMultiple Airlines
Thu 13/1120:40KGS - LHR
2 stops24h 55mMultiple Airlines
Deal found 6/11£341
Thu 4/1207:45LCY - KGS
2 stops10h 20mMultiple Airlines
Wed 10/1208:35KGS - LCY
2 stops10h 45mMultiple Airlines
Deal found 5/11£436
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 7 November 2025.
Thu 4/1219:00LHR - KGS
1 stop23h 35mAegean Airlines
Thu 11/1208:35KGS - LHR
1 stop14h 40mAegean Airlines
Deal found 6/11£146
Thu 4/1208:05LGW - KGS
1 stop10h 00mMultiple Airlines
Wed 10/1208:35KGS - LGW
1 stop14h 45mMultiple Airlines
Deal found 5/11£165
Sat 2/513:35LGW - KGS
1 stop6h 20mSky Express
Thu 7/522:25KGS - LGW
1 stop16h 10mSky Express
Deal found 6/11£276
Thu 4/1214:50LTN - KGS
2 stops24h 15mMultiple Airlines
Wed 10/1216:40KGS - LTN
1 stop8h 30mMultiple Airlines
Deal found 5/11£167
Thu 4/1219:00LHR - KGS
1 stop15h 05mAegean Airlines
Wed 10/1216:40KGS - LHR
1 stop6h 35mAegean Airlines
Deal found 5/11£168
Thu 4/1206:10STN - KGS
1 stop13h 05mMultiple Airlines
Wed 10/1212:00KGS - STN
1 stop13h 50mMultiple Airlines
Deal found 5/11£170
Sat 2/516:35LHR - KGS
1 stop6h 00mAegean Airlines
Thu 7/513:05KGS - LHR
1 stop6h 50mAegean Airlines
Deal found 6/11£226
Thu 4/1219:00LHR - KGS
1 stop15h 05mMultiple Airlines
Thu 11/1212:35KGS - LHR
2 stops11h 25mMultiple Airlines
Deal found 4/11£235
Thu 4/1207:40LHR - KGS
2 stops26h 25mMultiple Airlines
Wed 10/1216:40KGS - LHR
1 stop6h 35mMultiple Airlines
Deal found 5/11£270
Wed 1/413:35LGW - KGS
1 stop6h 20mSky Express
Sun 5/408:35KGS - LGW
1 stop6h 00mSky Express
Deal found 4/11£389
Sat 2/510:50LHR - KGS
2 stops11h 45mMultiple Airlines
Thu 7/506:00KGS - LHR
2 stops14h 25mMultiple Airlines
Deal found 6/11£302
Sat 2/518:35LGW - KGS
2 stops40h 00mMultiple Airlines
Thu 7/511:05KGS - LGW
1 stop8h 45mMultiple Airlines
Deal found 6/11£396
Thu 4/1207:45LCY - KGS
2 stops10h 20mMultiple Airlines
Wed 10/1208:35KGS - LCY
2 stops10h 45mMultiple Airlines
Deal found 5/11£436
Last-minute flights from London to Kos
Discover last-minute flight deals from London to Kos. Data last updated 7 November 2025 and is based on user searches.
Sat 8/1122:15LHR - KGS
1 stop11h 50mAegean Airlines
Sun 16/1121:05KGS - LHR
1 stop16h 05mAegean Airlines
Deal found 5/11£243
Sun 9/1117:50LHR - KGS
2 stops16h 15mMultiple Airlines
Thu 13/1120:40KGS - LHR
2 stops24h 55mMultiple Airlines
Deal found 6/11£341
Thu 4/1219:00LHR - KGS
1 stop23h 35mAegean Airlines
Thu 11/1208:35KGS - LHR
1 stop14h 40mAegean Airlines
Deal found 6/11£146
Thu 4/1208:05LGW - KGS
1 stop10h 00mMultiple Airlines
Wed 10/1208:35KGS - LGW
1 stop14h 45mMultiple Airlines
Deal found 5/11£165
Thu 4/1214:50LTN - KGS
2 stops24h 15mMultiple Airlines
Wed 10/1216:40KGS - LTN
1 stop8h 30mMultiple Airlines
Deal found 5/11£167
Thu 4/1206:10STN - KGS
1 stop13h 05mMultiple Airlines
Wed 10/1212:00KGS - STN
1 stop13h 50mMultiple Airlines
Deal found 5/11£170
Thu 4/1219:00LHR - KGS
1 stop15h 05mMultiple Airlines
Thu 11/1212:35KGS - LHR
2 stops11h 25mMultiple Airlines
Deal found 4/11£235
Thu 4/1207:40LHR - KGS
2 stops26h 25mMultiple Airlines
Wed 10/1216:40KGS - LHR
1 stop6h 35mMultiple Airlines
Deal found 5/11£270
Thu 4/1207:45LCY - KGS
2 stops10h 20mMultiple Airlines
Wed 10/1208:35KGS - LCY
2 stops10h 45mMultiple Airlines
Deal found 5/11£436
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 7 November 2025.
Fri 21/1116:05STN - KGS
1 stop13h 55mMultiple Airlines
Deal found 6/11£74
Tue 3/206:30STN - KGS
1 stop27h 00mMultiple Airlines
Deal found 5/11£75
Mon 8/1208:05STN - KGS
1 stop25h 25mMultiple Airlines
Deal found 6/11£79
Wed 4/215:35STN - KGS
1 stop17h 55mMultiple Airlines
Deal found 5/11£79
Thu 4/1206:10STN - KGS
1 stop27h 20mMultiple Airlines
Deal found 6/11£81
Fri 6/216:05STN - KGS
1 stop17h 25mMultiple Airlines
Deal found 5/11£82
Tue 2/1206:30STN - KGS
1 stop23h 35mMultiple Airlines
Deal found 4/11£83
Thu 5/206:10STN - KGS
1 stop27h 20mMultiple Airlines
Deal found 5/11£87
Sun 16/1106:25LGW - KGS
1 stop7h 20mMultiple Airlines
Deal found 6/11£88
Fri 21/1122:15LHR - KGS
1 stop7h 35mAegean Airlines
Deal found 6/11£89
Sun 16/1114:30LTN - KGS
1 stop19h 20mMultiple Airlines
Deal found 6/11£92
Fri 21/1116:25LTN - KGS
1 stop13h 35mMultiple Airlines
Deal found 6/11£96
Cheap flight deals from London to Kos
Discover tips and strategies to find the most affordable flight options for your journey from London (LON) 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 7 November 2025.
Customise your flight search to find flights from London 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 7 November 2025.
Use the filters below to find and compare flights from London to Kos that are best for you.
Fly from
London
Fly to
Kos
Route
Depart
Return
Price
LondonKos
LHR - KGS
LHRKGS
London Heathrow
Thu 4/12
19:00-20:35
1 stop23h 35m
Kos
Thu 11/12
08:35-21:15
1 stop14h 40m
£146
LondonKos
LGW - KGS
LGWKGS
London Gatwick
Thu 4/12
08:05-20:05
1 stop10h 00m
Kos
Wed 10/12
08:35-21:20
1 stop14h 45m
£165
LondonKos
LTN - KGS
LTNKGS
London Luton
Thu 4/12
14:50-17:05
2 stops24h 15m
Kos
Wed 10/12
16:40-23:10
1 stop8h 30m
£167
LondonKos
LHR - KGS
LHRKGS
London Heathrow
Thu 4/12
19:00-12:05
1 stop15h 05m
Kos
Wed 10/12
16:40-21:15
1 stop6h 35m
£168
LondonKos
STN - KGS
STNKGS
London Stansted
Thu 4/12
06:10-21:15
1 stop13h 05m
Kos
Wed 10/12
12:00-23:50
1 stop13h 50m
£170
LondonKos
LHR - KGS
LHRKGS
London Heathrow
Sat 2/5
16:35-00:35
1 stop6h 00m
Kos
Thu 7/5
13:05-17:55
1 stop6h 50m
£226
LondonKos
LHR - KGS
LHRKGS
London Heathrow
Thu 4/12
19:00-12:05
1 stop15h 05m
Kos
Thu 11/12
12:35-22:00
2 stops11h 25m
£235
LondonKos
LHR - KGS
LHRKGS
London Heathrow
Thu 4/12
07:40-12:05
2 stops26h 25m
Kos
Wed 10/12
16:40-21:15
1 stop6h 35m
£270
LondonKos
LGW - KGS
LGWKGS
London Gatwick
Sat 2/5
13:35-21:55
1 stop6h 20m
Kos
Thu 7/5
22:25-12:35
1 stop16h 10m
£276
LondonKos
LHR - KGS
LHRKGS
London Heathrow
Sat 2/5
10:50-00:35
2 stops11h 45m
Kos
Thu 7/5
06:00-18:25
2 stops14h 25m
£302
Flights are sorted by cheapest return flights first.
Deals found on 5/11
Showing 1-10 of 43 results
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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?
Use this chart to determine the optimal time to book a return flight from London to Kos. Price data was last updated on 31 October 2025.
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?
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 7 November 2025.
Unlike in the morning, when flights are generally more expensive, you can save up to 30% on flights from London to Kos by exploring options for tickets in the evening.
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.
Travellers seeking maximum savings on their London to Kos flight should consider departing on Saturday evenings when fares are most often at their lowest. Sunday mornings flights should be avoided if possible as fares are typically the most expensive at this time.
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 7 November 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.
Good other than the 15-20 min walk to boarding gate from terminal.
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.
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 6h 20m. Aegean Airlines provides one of the quickest options available for as low as £276. London and Kos are separated by a distance of 1663 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 £36. Other airlines that can offer you cheap pricing are easyJet, from £105, and British Airways, from £116. Ryanair is currently priced 84% below the average price you’ll pay for this route.
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.
Book flights to Kos if you plan to visit one of these locations
Marmari
Kardamena
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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 7 November 2025.
Discover the top 7 airlines that operate flights from London 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 7 November 2025.
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 London to Kos?
900+ travel sites are searched through when a user searches for a flight using Cheapflights. From the search interface, users can use filters to choose airlines, airports, flight times, cabin classes and more to their preference. Book your flight to Kos from London today with Cheapflights!
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?
Users can book flights with no change fees policies with our dedicated filters. Book flights from London to Kos flexibly with Cheapflights today.
Can Cheapflights notify me if prices for flights from London to Kos become cheaper?
Of course! You can now track prices for flights from London to Kos and get an alert from Cheapflights when they change. Have a valid email address ready and click the bell icon next to the flight deals above to set up your price alerts.
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