Statistics on London-Kos flights: what is the right price and when to buy your plane ticket?
Best time to go: what is the RIGHT price for a round-trip flight to Kos (from: London)
The average price to go to Kos from London airport is $ 302 (round trip). However, there are variations depending on the departure month. Thus, it is possible to pay for your plane ticket on average between $ 222 (in november) and $ 448 (in august), which is a saving of $ 80 or a surplus of $ 147 (compared to the average price) depending on the period you leave.
The analysis of all prices reveals that the most frequent price is between $220 to $275 and it is generally more economical to leave on a wednesday and return on a monday on a flight with 1 or more layovers.
Be careful, the cheapest months may correspond to unfavorable weather periods . Check out our page best time to go to Kos before booking your flight.
If you want to know when to book your flight at the best price, go straight to the second part of this page: When to buy your London-Kos plane ticket.
How are these data calculated?
We have studied a sample of 60000 airfare prices from previous years for flights to Kos from London and can thus establish precise and credible price variation trends based on different parameters. Of course, prices can vary from year to year, but the seasonal aspect of this data (recurrence of school holidays, events... from year to year) makes these statistics quite reliable.
Average price depending on the departure month
Data analysis:
By leaving in november, the price of the plane ticket will statistically be the cheapest ($ 222, saving $ 80 compared to the average price over the year which is $ 302). Conversely, august will be the most expensive ($ 448).
Flight London-Kos: when is the best time to go for the best price?
| Month | Good price* | Average price | Our opinion |
|---|---|---|---|
| January | $ 198 | $ 247 | good price |
| February | $ 212 | $ 241 | good price |
| March | $ 212 | $ 254 | good price |
| April | $ 175 | $ 228 | good price |
| May | $ 263 | $ 353 | fair price |
| June | $ 241 | $ 293 | good price |
| July | $ 243 | $ 310 | fair price |
| August | $ 357 | $ 448 the most expensive | very high price |
| September | $ 230 | $ 272 | good price |
| October | $ 233 | $ 347 | fair price |
| November | $ 202 | $ 222 the cheapest | very good price |
| December | $ 287 | $ 392 | high price |
*great price to buy your plane ticket: if you see this price or cheaper during your flight search, go for it and buy it!
Price breakdown to travel from London to Kos
Data analysis:
The prices for flights from London to Kos range from $55 to $715. 1% of tickets were purchased at the minimum price (from $55 to $110), 1% at the maximum price (from $660 to $715). The majority of plane tickets were purchased in the range of $220 to $275 (21% of tickets).
Cheapest airlines for the London->Kos flight
There are 11 companies that serve London from Kos airport: EasyJet, British Airways, Wizz Air Uk, Jet2, Ryanair, Sky Express, Aegean Airlines, Lufthansa, Wizz Air, wizz air malta and Thomsonfly.
Data analysis:
Of the 60000 flights analyzed in previous years, EasyJet was the airline that offered the best fare most often in the flight ticket search results (34% of the time) on the London->Kos route.
Direct flight or flight with layover?
Data analysis:
To get the best price for the London-Kos flight, you should take a flight with one or more layovers (you will save an average of $ 99 compared to a direct flight).
Which day of the week to leave?
Data analysis:
Statistically, London-Kos flights departing on a wednesday are cheaper than on other days of the week. By choosing a wednesday as your departure date, you can save an average of $28. On the other hand, departing on a saturday may cost you an additional $42.
Which day of the week to come back?
Data analysis:
Statistically, return flights from Kos to London departing on a monday are cheaper than on other days of the week. By choosing a monday for your return date, you will save an average of $35. Conversely, departing from Kos on a saturday may cost you an additional $41.
Top prices London-Kos
| Round trip | Dates | Price | |
|---|---|---|---|
| London → Kos | 03-04 to 09-04-2025 | $ 133 | direct flight with Ryanair |
| London → Kos | 06-04 to 10-04-2025 | $ 160 | direct flight with EasyJet |
| London → Kos | 20-04 to 25-04-2025 | $ 177 | direct flight with EasyJet |
| London → Kos | 24-04 to 28-04-2025 | $ 142 | direct flight with EasyJet |
| London → Kos | 14-05 to 21-05-2025 | $ 150 | layover flight with Wizz Air Uk |
| London → Kos | 16-05 to 22-05-2025 | $ 177 | layover flight with Ryanair |
| London → Kos | 17-05 to 21-05-2025 | $ 184 | layover flight with Wizz Air Uk |
| London → Kos | 03-06 to 13-06-2025 | $ 152 | layover flight with Vueling Airlines |
| London → Kos | 01-11 to 08-11-2025 | $ 181 | layover flight with British Airways |
| London → Kos | 02-11 to 08-11-2025 | $ 176 | layover flight with EasyJet |
When to book your flight London - Kos to get the cheapest price?
Statistically, you will make the biggest savings by buying your plane ticket between 1 to 2 months in advance. However, you may end up paying a high price if you book between 11 to 12 months in advance.
Did you know: the price of plane tickets not only varies depending on how far in advance you book, but also on the day of the week you book! So, to maximize your chances of getting the best price for a London-Kos flight, it is recommended to book your ticket on a monday.
How far in advance should I buy my flight?
Data analysis:
To get the cheapest flight ticket from London to Kos, it is recommended to buy it 1 to 2 months before departure (it is then on average 269 $, which is a saving of 33 $ compared to the overall average price). On the other hand, if you buy your ticket 11 to 12 months in advance, you will pay the full price (97 $ more than the average price).
Depending on the departure month
The best time to buy your London to Kos flight ticket may vary depending on your departure month. Therefore, we offer you statistics on when to book your flight month by month.
| Departure on... | How far in advance should I book? |
|---|---|
| January | Best time: 2 to 3 months before departure (average price: 216 $) Other interesting period(s): 3 to 4 months ($ 226) |
| February | Best time: 5 to 6 months before departure (average price: 214 $) Other interesting period(s): 1 to 2 months ($ 229), 2 to 3 months ($ 229), 3 to 4 months ($ 215), 4 to 5 months ($ 217) |
| March | Best time: 3 to 4 months before departure (average price: 205 $) Other interesting period(s): 2 to 3 months ($ 228), 4 to 5 months ($ 207), 5 to 6 months ($ 218), 6 to 7 months ($ 212) |
| April | Best time: 5 to 6 months before departure (average price: 196 $) Other interesting period(s): 2 to 3 months ($ 226), 3 to 4 months ($ 228), 4 to 5 months ($ 216) |
| May | Best time: 6 to 7 months before departure (average price: 280 $) Other interesting period(s): 5 to 6 months ($ 306), 7 to 8 months ($ 341) |
| June | Best time: 6 to 7 months before departure (average price: 253 $) Other interesting period(s): 0 to 1 month ($ 274), 5 to 6 months ($ 291), 7 to 8 months ($ 255), 8 to 9 months ($ 285) |
| July | Best time: 0 to 1 month before departure (average price: 259 $) Other interesting period(s): 1 to 2 months ($ 287), 2 to 3 months ($ 309), 6 to 7 months ($ 307), 7 to 8 months ($ 271), 8 to 9 months ($ 273) |
| August | Best time: 9 to 10 months before departure (average price: 385 $) Other interesting period(s): 0 to 1 month ($ 441), 1 to 2 months ($ 443), 7 to 8 months ($ 436), 8 to 9 months ($ 391), 10 to 11 months ($ 443) |
| September | Best time: 0 to 1 month before departure (average price: 176 $) Other interesting period(s): 1 to 2 months ($ 230), 10 to 11 months ($ 266) |
| October | Best time: 1 to 2 months before departure (average price: 208 $) Other interesting period(s): 0 to 1 month ($ 306), 2 to 3 months ($ 329) |
| November | Best time: 1 to 2 months before departure (average price: 193 $) Other interesting period(s): 2 to 3 months ($ 194), 3 to 4 months ($ 220) |
| December | Best time: 3 to 4 months before departure (average price: 324 $) Other interesting period(s): 1 to 2 months ($ 350), 2 to 3 months ($ 361) |
What day of the week should I book my flight ticket?
Data analysis:
Statistically, monday is the day when plane tickets for London->Kos are the cheapest. So, by buying your plane ticket on a monday, you will save $7. Conversely, by buying it on a saturday, you may end up paying $6 more.
London to Kos: flight price when booking today
Information: this data is not statistics but comes from real prices collected less than 7 days ago. Some months may not be available as we do not have enough data for them.
| Month | Current price | Our opinion | |
|---|---|---|---|
| April 2025 | $ 260 $142 to $409 | high price | Find a flight |
| May 2025 | $ 347 $150 to $1085 | very good price | Find a flight |
| June 2025 | $ 247 $152 to $417 | very good price | Find a flight |
| July 2025 | $ 324 $163 to $723 | high price | Find a flight |
| August 2025 | $ 562 $283 to $1019 | very high price | Find a flight |
| September 2025 | $ 375 $210 to $672 | very high price | Find a flight |
| October 2025 | $ 447 $212 to $905 | very high price | Find a flight |
| November 2025 | $ 219 $159 to $283 | very good price | Find a flight |
| December 2025 | $ 294 $277 to $310 | very good price | Find a flight |
| February 2026 | $ 222 $193 to $251 | very good price | Find a flight |
| March 2026 | $ 279 $279 to $279 | high price | Find a flight |
Data analysis:
Compared to the average price, may, june, november, december and february are cheaper to travel to Kos. So it may be interesting to book now to leave during these months!