London to Kos flights
Routavio compares airline fares from several flight booking sites. The lowest one-way fare it found for London to Kos is €68 (checked on 26 Oct 2026).
Your next trip, last seen at €68
Lowest observedWhen to fly
Explore datesMore dates worth a look
Find the dates that work for you
The lowest fare we observed for each month. Open a month to see its days, then pick your outbound and return. A day with no price is one we will search for you.
One-way fare
- Lowest observed
- €68, departing 18 Apr 2027 (Last checked: 26 Oct 2026)One-way fare · Priced departure days checked in the last 14 days: 186Check live prices for this route
- Airlines seen
- Aegean Airlines, Swiss
- Reported fastest flight
- 4h 30m
- Non-stop
- Yes
About this route
Explore the fares we observed from London to Kos. Prices move often, so pick your dates to see the latest options.
- Route distance
- 2,693 km
- Reported fastest flight
- 4h 30m
- Alternative airports
- LCY, LGW, LTN, SEN, STN
Route-level information; individual journeys vary.
Published schedules report non-stop service with easyJet. Check current timetables.
A clearer picture of your fare
If the observed fare for this date drops, we will email you. At most one message a day.
Airport to city: straight-line distance
- London City Airport (LCY) → London, city gazetteer reference point (51.5074, -0.1278): ≈ 13 km.
- London Heathrow (LHR) → London, city gazetteer reference point (51.5074, -0.1278): ≈ 23 km.
- London Gatwick (LGW) → London, city gazetteer reference point (51.5074, -0.1278): ≈ 40 km.
- London Luton (LTN) → London, city gazetteer reference point (51.5074, -0.1278): ≈ 44 km.
- London Stansted (STN) → London, city gazetteer reference point (51.5074, -0.1278): ≈ 49 km.
- London Southend Airport (SEN) → London, city gazetteer reference point (51.5074, -0.1278): ≈ 57 km.
- Kos Hippocrates (KGS) → Kos, city gazetteer reference point (36.7931, 27.0953): ≈ 0 km.
Approximate distances calculated from coordinates, not road distances or travel times. These airports serve the city; they are not confirmed endpoints of an offer.
Lowest fare by departure month
Cheapest month from London to Kos: April 2027, from €68 (checked 26 Oct 2026).
| Month | Lowest fare | Priced days |
|---|---|---|
| November 2026 | €125 | 15 |
| December 2026 | €146 | 31 |
| January 2027 | €128 | 31 |
| February 2027 | €127 | 28 |
| March 2027 | €93 | 31 |
| April 2027 | €68 | 30 |
| May 2027 | €127 | 20 |
Lowest fare by day of the week
Cheapest day of the week from London to Kos: Sunday, from €68 (checked 26 Oct 2026).
| Day | Lowest fare | Priced days |
|---|---|---|
| Monday | €76 | 27 |
| Tuesday | €128 | 27 |
| Wednesday | €73 | 27 |
| Thursday | €77 | 27 |
| Friday | €128 | 26 |
| Saturday | €125 | 26 |
| Sunday | €68 | 26 |
One-way fares checked in the last 14 days. Each figure is the lowest priced departure day we saw, not a guaranteed fare.
Lowest fare by days before departure
Lowest fare from London to Kos by days until departure (61 days or more): €68 (checked 26 Oct 2026).
| Days before departure | Lowest fare | Priced days |
|---|---|---|
| 8 to 30 days | €125 | 16 |
| 31 to 60 days | €146 | 30 |
| 61 days or more | €68 | 140 |
One-way fares checked in the last 14 days. Each figure is the lowest stored fare for that distance to departure, not a price forecast.
Fares for different departure dates, checked now; not a guide to when to book.
Frequently asked
How much is a flight from London to Kos?
The lowest fare Routavio has observed is €68, found on 26 Oct 2026. Prices move, so read it as a floor rather than a quote.
When is the cheapest month to fly from London to Kos?
Cheapest month from London to Kos: April 2027, from €68 (checked 26 Oct 2026).
Are there direct flights from London to Kos?
Yes. Published schedules report non-stop flights on this route with easyJet.
Which airlines fly from London to Kos?
Routavio has seen these carriers on the route: Aegean Airlines, Swiss.
Which day of the week is cheapest from London to Kos?
Cheapest day of the week from London to Kos: Sunday, from €68 (checked 26 Oct 2026).
How observed prices work, what "No data" means and what a fare includes: Read the flight price guide · Price and schedule freshness on Routavio
Keep exploring
Similar routes
Non-stop airlines on this route
More routes from London
Show all 36 routes →Show fewer ↑
More routes to Kos
Show all 30 routes →Show fewer ↑
Recently observed fares. Prices may change.