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£74+ Cheap flights to Kos

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.
— KGS
7 Dec — 14 Dec1
1 adult
1 adult, Economy, 0 bags

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Cheapest flights to Kos
Explore the most affordable flight options available to Kos. Find the lowest fares based on data from user searches, 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

Flights to Kos in 2025

Find the latest flights to Kos in 2025, with up-to-date prices and availability. In the last 7 days, Cheapflights users made a total of 858,174 searches and data was last updated on 7 November 2025.

Return from

£146

One-way from

£74

Popular in

August

Cheapest in

April

Average price

£219

Good round-trip deal

£229 or less

Good one-way deal

£58 or less
Aegean Airlines
  • Aegean Airlines
  • 4/12-11/12
  • 2 total stops
  • 38h 15m total
  • London to Kos
Search Deals
21/11
  • 21/11
  • 1 total stop
  • 13h 55m total
  • London to Kos
Search Deals
Highest demand for flights based on searches. 12% potential increase in price (£34 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease (£9 potential savings vs. average return price).
Search Deals
Average for return flights in November 2025
Search Deals
Price to beat on a round-trip flight from London to Kos.
Search Deals
Price to beat on a one-way flight from London to Kos.
Search Deals

Cheapflights Fare Finder

 
Locate flights to Kos that fit your budget, with regularly updated fares and availability. In the last 7 days, Cheapflights users made a total of 858,174 searches and data was last updated on 7 November 2025.
Use the filters below to find and compare flights to Kos that are best for you.

Fly from

London

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 to Kos

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

When is the best time to book a flight 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.

To ensure you get the cheapest price possible for a flight to Kos, you should look to book at least 9 days in advance of your intended travel date. The price of your flight may increase if you delay and leave booking until a week or so before departure.

How long is the flight to Kos?

On average, a flight from London to Kos takes 6 hours 39 minutes. Flights to Kos from other popular cities in United Kingdom will vary in length. Below are a few examples of popular routes and their flight times.

When is the cheapest time to fly 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.

Users looking for the lowest fares to Kos should consider flying on Saturday evenings, when prices are typically cheapest. Budget-minded travellers will want to avoid Sunday mornings, when prices are usually at their highest.

What are the most popular airlines that fly to Kos?

The most popular airlines flying from London to Kos are British Airways, easyJet and Ryanair.

easyJet
easyJet
From £79
TUI Airways
TUI Airways
From £104
Jet2
Jet2
From £57
British Airways
British Airways
From £116

What are the cheapest airlines that fly to Kos?

The cheapest airlines flying from London to Kos are Ryanair, easyJet and British Airways.

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 7 November 2025.
Read reviews from past customers who have flown Jet2, easyJet, andRyanair to Greece. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Jet2
8.3
Very Good
175 reviews
Check prices

Boarding

8.2

Entertainment

6.2

Food

7.3

Overall

8.3

Comfort

7.7

Crew

8.8

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
175 reviews
Jet2
8.3
Very Good
175 reviews
Check prices

Boarding

8.2

Entertainment

6.2

Food

7.3

Overall

8.3

Comfort

7.7

Crew

8.8

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
1,841 reviews
Jet2
8.3
Very Good
175 reviews
Check prices

Boarding

8.2

Entertainment

6.2

Food

7.3

Overall

8.3

Comfort

7.7

Crew

8.8

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
5,188 reviews
Jet2
8.3
Very Good
175 reviews
Check prices

Boarding

8.2

Entertainment

6.2

Food

7.3

Overall

8.3

Comfort

7.7

Crew

8.8

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
7,500 reviews
Jet2
8.3
Very Good
175 reviews
Check prices

Boarding

8.2

Entertainment

6.2

Food

7.3

Overall

8.3

Comfort

7.7

Crew

8.8

Reviews

1 / 16
8.0
Excellent

Anonymous,Mar 2025

GVA - LBA

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

FAQs about flying to Kos

Kos climate

Kos enjoys a warm, sunny Mediterranean climate with long, hot summers and short, but rainy winters. Temperatures typically hover around 25 C (77 F) June through September, and these are the warmest months in Kos. December through March usually feature temperatures between 11 C (53 F) to 13 C (55 F) and are the coolest months on the island.

Getting around Kos

Public transportation, taxis, cars, motorbikes and bikes are all feasible modes of transportation on the island. Buses and trains also run to and from various villages on the island. Ferries run between Kos and Turkey, and some of the other Dodecanese islands. Kos Island International Airport is located in the village of Antimachia, 22 km (13 miles) southwest of Kos Town.

What is good to know if travelling to Kos?

  • Kos features some amazing beaches, including those in Marmari and Tigaki, both with 10 km (6 miles) of white-sand beaches. Kardamena, Kefalos, Mastichari, Lambi beach and Psalidi are worth a visit, too.
  • Therma (Greek for ‘hot’) is located 8 km (5 miles) from Kos Town centre. Bathing in the hot waters – a natural whirlpool – is a relaxing experience.
  • The Church of St. John the Baptist (Epta Bemata) dates from about the sixth century.
  • Asklepeio was, in ancient times, a sanatorium and temple dedicated to the god Aesculapius, son of Apollo. It features four levels of superb Greek architecture.
  • Excursions to neighbouring islands such as Pserimos are popular and plentiful. There are also a number of daily sea crossings to nearby Turkey.

Kos airport overview

Kos Island International Airport, affectionately referred to as Hippocrates Airport, is 22km (13 miles) south-west of the town of Kos. Built in the 1960s, the tiny terminal building serves almost two million travellers per annum, and is particularly popular during summer. It’s rated as the sixth-busiest airport in Greece.

Whether you’re staying on Kos or planning on doing some island hopping, there are plenty of airlines offering flights – scheduled and charter – to Kos Island International Airport. The list of carriers reads like a Who’s Who of the tourist industry with Air Berlin, Austrian Airlines, Jet2, easyJet, Ryanair, Thomas Cook Airlines, Thomson Airways and TUI flying there.

The airport has something of a reputation for being disorganised and outdated – long queues and travellers sleeping on tiled floors are regular sights at Kos Island International.

  • When is the best time to fly to Kos?

    In general, sunny weather lasts from May to October in Kos, while rain and lower temperatures settle in from November through March or April. Peak season: July and August are peak season in Kos and crowds (particularly beach-goers) will likely be plentiful during this time. These months are generally the hottest, most humid and the busiest. Off season: The off season typically runs from November to March, when the weather is cooler and can be wet. May, September and October are good months for a getaway to Kos as the weather is still fairly nice, but crowds are fewer.

  • What airport do you fly into for flights to Kos?

    If you book a flight to Kos, you will be flying into Kos, which is the city’s only airport. Kos (KGS) is located 12.8 mi from the center of Kos.

  • Can I find cheaper flights to Kos if I am willing to have stopovers?

    Yes, flights with stopovers are often cheaper than direct flights. Keep an eye out for flight deals to Kos on Cheapflights that require 1 or 2 stops for potential cost savings.

  • What is the best airline to fly to Kos?

    Based on reviews from Cheapflights users, Ryanair is rated the highest out of the airlines that fly to Kos.

  • What is the cheapest airport to fly to in Kos?

    Kos is currently the cheapest airport to fly to in Kos. One-way flights to Kos typically cost £27, while return flights cost around £52.

  • How much is a return flight to Kos?

    A return flight to Kos will typically cost around £270, however they can be found for as little as £52.

  • Where does the fastest flight to Kos depart from?

    For those looking to save time traveling to Kos, London offers the quickest one-way flight (3 hours 45 minutes).

  • Does Kos have car hire?

    Yes. Those touching down at Kos can take advantage of the car hire services offered upon their arrival.

  • Are there hotels close to Kos?

    Yes. Kos has hotels nearby for those requiring accommodations. Neochori House is the closest property to Kos (0.0 mi away from Kos).

See more FAQs

Travelling to a place near Kos?

Book flights to Kos if you plan to visit one of these locations
Marmari
Kardamena

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Yes, Cheapflights offers price alerts on Kos flights so you can book your flight when prices are ideal. Enable price alerts by clicking the bell icon next to the flight deals above and providing your email address where you want to receive the alerts.

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