Compare trains, buses, flights and ferries from Kos to Cardiff. From €252.07, fastest 7h 21m, with the total price and every fee shown up front.
Traveling from Kos to Cardiff costs €252.07 at the cheapest and takes 7h 21m door to door at the fastest, across 1 mode and 1 operator. The route covers 2,975 km. Cheapest is by Flight, fastest is by Flight.
Checked September 9, 2026Priced for September 29, 2026One passenger, all fees included
Journey times below are door to door, so they include getting to the terminal and away from it at the other end. Fares are the cheapest we currently sell on September 29, 2026.
Door to door means the whole journey, including reaching the terminal and leaving it at the far end. Fares are the cheapest sold on each mode.
Mode
Door to door
Moving
At the ends
From
CO2
Per day
Flight
7h 36m
4h 26m
3h 10m
€296.90
731.9 kg
5
7h 36mFastest, by Flight
€296.90Cheapest, by Flight
731.9 kgLowest CO2, by Flight
2,975 kmDistance traveled
Real services
The cheapest and the fastest on September 29, 2026
Two journeys we can sell today, with the service number each operator files them under.
Cheapest€252.07
BA Euroflyer BA339607:304h 17m11:47Kos KGSLondon STN
Great Western Railway GW618113:191h 38m14:57London St Pancras InternationalCardiff Central
Changes at London, with 92 minutes between services and a walk of about 14 minutes.
Door to door 9h 24mCO2 690.7 kgChanges 1Fixed, no changes
Door to door 7h 36mCO2 731.9 kgChanges 0Fixed, no changes
Today's real departures
Live from the operators' own published timetables, through the open transit feeds they publish. Times and services are real. Fares are modeled until our booking connectors are live.
Today's real departures
Operator
Service
Departs
Arrives
Takes
ATTICA BLUE STAR FERRIES7 changes
16319
17:30
18:34
73h 4m
ATTICA BLUE STAR FERRIES7 changes
16353
18:35
08:36
86h 1m
ATTICA BLUE STAR FERRIES7 changes
16353
18:35
18:10
71h 35m
Prices over the next three weeks
Live from our own engine, refreshed on every request. The cheapest days for each way of traveling are marked.
Partner links. We do not sell accommodation. We earn a commission when a booking completes, and it never changes what you pay.
Booking window
When to book Kos to Cardiff
The same search run across the whole booking window, so the shape of the curve is visible rather than described.
€256.7990 days
€213.7260 days
€245.5845 days
€266.2330 days
€291.0021 days
€301.6314 days
€391.317 days
€593.683 days
€679.231 days
Cheapest lead time
Fares bottom out around 60 days ahead, at €213.72.
How much it moves
The gap between the cheapest and most expensive lead time is 218 percent. The most expensive point is €679.23, 1 days out.
What that means
Today sits inside the cheap window, which closes about 60 days before departure. Waiting from here has usually cost money on this corridor rather than saved it.
Book now Fares on this route are lowest around 60 days ahead. You are inside that window.
Day of the week
Which departure day costs least
Median cheapest fare for each weekday, taken across the next three weeks of real prices.
€422.57Sun
€328.18Mon
€296.90Tue
€301.63Wed
€429.07Thu
€385.41Fri
€400.16Sat
Across the year
How the fare moves month by month
The same journey priced on the fifteenth of each of the next six months.
€378.92Sep
€268.00Oct
€260.33Nov
€222.57Dec
€224.33Jan
€186.58Feb
The route
The journey
What the journey actually looks like
Direct or connecting, how far the route really runs, and what happens when a connection is missed.
Direct or connecting
20% of the services we sell on this corridor run through without a change. The remaining 80% involve one connection.
How far it really runs
The route covers 2,975 km against 2,888 km in a straight line, a detour of 3 percent. Track and road geometry account for the difference.
Where the change is
Connections are made at Birmingham, Bristol, London, Paris. The gap between arriving and leaving is 48 minutes, of which about 14 is walking.
If the connection is missed
The tightest connection we sell here has a 19 percent chance of not being made on the timetable alone. Part of this journey is a self transfer between separate tickets, so leave more time than the minimum and expect to check in again.
First and last departure
The first service of the day leaves Kos at 06:38 and the last at 07:30, across 5 departures. The return direction keeps its own timetable, so the times back are not these times reversed.
Terminals
Where you leave from and where you arrive
The stations, airports and ports each mode on this corridor actually uses.
Kos
Bus
Akteon (Center)
Delfina Bus Terminal
Air
KGS
Ferry
Kos
Cardiff
Rail
Cardiff Central
Cardiff Riverside Branch
Cardiff Bay railway station
Bus
Cardiff Sophia Gardens
Cardiff Bus Interchange
Air
CWL
Ferry
Cardiff Sailing Centre Pontoons
City Centre Water Bus Stop
CWL is not in Cardiff, and the drive in from it is the part of the trip nobody plans. We sell the flight and stop at the terminal door.
Getting from CWL into Cardiff?
Settled in advance, so the ride into Cardiff costs what it said it would rather than what the cab stand says.
Partner links. We do not run these networks. We earn a commission on a booking, and the price is the same as going direct.
Questions about Kos to Cardiff
The questions people actually ask about this trip, answered from the same prices and times the page above is built on rather than written once and left to go stale.
How long does it take to get from Kos to Cardiff?
The fastest journey from Kos to Cardiff takes 7h 21m door to door, of which 4h 26m is spent moving, on the Flight. Most services take around 7h 39m, because that average includes slower stopping services and journeys with a connection. Times include reaching the terminal and leaving it at the far end.
How much does it cost to travel from Kos to Cardiff?
The cheapest fare from Kos to Cardiff is €252.07, checked on September 29, 2026. A typical fare across the next three weeks is €393.08. Both figures are the total for one passenger, including taxes, supplier fees and our service fee, so nothing is added at checkout.
What is the cheapest way to get from Kos to Cardiff?
The cheapest way from Kos to Cardiff is by Flight, at €296.90 for one passenger on September 29, 2026. That journey takes 7h 36m door to door. Cheaper is rarely faster on this corridor, and the comparison table on this page shows what each mode costs against what it saves.
When should I book Kos to Cardiff?
Fares from Kos to Cardiff bottom out around 60 days before departure, at €213.72. Across the whole booking window the gap between the cheapest and the most expensive lead time is 218 percent, measured on September 29, 2026. Booking inside the last week has consistently cost more on this corridor.
Which day of the week is cheapest for Kos to Cardiff?
Tuesday is the cheapest day to depart from Kos to Cardiff, at €296.90. That is the median of 21 priced departure days across the next three weeks, checked on September 29, 2026. Shifting a departure by one day is usually worth more than shifting the booking by one week.
Which month is cheapest for Kos to Cardiff?
February is the cheapest of the next 6 months to travel from Kos to Cardiff, at €186.58 for one passenger. Each month is priced on its fifteenth, so the comparison is like for like rather than a mix of weekends and midweek departures.
Who runs service from Kos to Cardiff?
1 operators sell services from Kos to Cardiff across 1 modes: Thomsonfly. Journey times, fares and fare conditions differ between them, and the operator table on this page compares all of them on speed, flexibility and what is provided on board.
Is there a direct service from Kos to Cardiff?
20 percent of the services we sell from Kos to Cardiff are direct. The rest connect at Birmingham, Bristol, London, Paris, with about 48 minutes between the two services. Both legs are sold on one booking, so a missed connection is rebooked at no charge.
Which station or terminal do services from Kos to Cardiff use?
Services from Kos to Cardiff by Flight leave from Kos KGS and arrive at Cardiff CWL. Allow about 3h 10m in total for reaching the departure terminal and leaving the arrival one, which is already included in every door to door time on this page.
Can I change or refund a ticket from Kos to Cardiff?
0 of the 1 operators we sell from Kos to Cardiff allow a change or a refund. A change on a changeable fare costs €5.00. The operator table on this page names which is which, and the condition is shown again before you pay.
Where these numbers come from
Observed service A carrier record shows this named operator serving this named pair, and we carry that through unchanged.
Schedules, seat counts and fares are generated by our own model until the supplier contracts are signed. Places, coordinates, operators, which operator serves which pair, and every distance are real. We would rather say that on every page than let a modeled number pass for a filed one.
Every figure above was computed for Kos to Cardiff on September 9, 2026: 2975 km of route against 2888 km in a straight line, 5 services a day, 1 operators, a cheapest fare of €252.07, and 7h 21m door to door on the fastest mode. The return direction is computed separately and its numbers are not these numbers.
The flight is the simple part. What you do once you are in Cardiff is somebody else's catalog.
Things to do in Cardiff
Day trips that leave Cardiff in the morning and cover a good part of United Kingdom by evening.