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Cheap Flights from Cardiff to Kos

Compare Cardiff to Kos flight deals

Find the cheapest month or even day of the year to fly to Kos

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Flight deals from Cardiff to Kos

Looking for a cheap last-minute deal or the best return flight from Cardiff to Kos? Find the lowest prices on one-way and return tickets right here.
Kos.R 1,428 per passenger.Departing Wed, 16 Jul.One-way flight with TUI.Outbound direct flight with TUI departs from Cardiff on Wed, 16 Jul, arriving in Kos.Price includes taxes and charges.From R 1,428, select.
Kos.R 2,374 per passenger.Departing Wed, 10 Sep.One-way flight with TUI.Outbound direct flight with TUI departs from Cardiff on Wed, 10 Sep, arriving in Kos.Price includes taxes and charges.From R 2,374, select.
Kos.R 2,710 per passenger.Departing Mon, 25 Aug.One-way flight with Ryanair.Outbound indirect flight with Ryanair, departs from Cardiff on Mon, 25 Aug, arriving in Kos.Price includes taxes and charges.From R 2,710, select.
Kos.R 3,166 per passenger.Departing Wed, 22 Oct.One-way flight with TUI.Outbound direct flight with TUI departs from Cardiff on Wed, 22 Oct, arriving in Kos.Price includes taxes and charges.From R 3,166, select.
Kos.R 3,712 per passenger.Departing Sat, 9 Aug.One-way flight with TUI.Outbound direct flight with TUI departs from Cardiff on Sat, 9 Aug, arriving in Kos.Price includes taxes and charges.From R 3,712, select.

Find the cheapest month to fly from Cardiff to Kos

We’re always keeping an eye on fares, so you can find the best one in seconds. It looks like Cardiff to Kos flights are currently cheapest in July.
Jul
from R 1,428
Aug
from R 2,710
Sep
from R 2,374
Oct
from R 3,166
Nov
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Dec
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Jan
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Feb
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Mar
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Apr
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May
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Jun
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Direct flights from Cardiff to Kos

Cardiff to Kos: Flight information

The things to know before you go.
Cheapest flight foundR 1,428
Cheapest month to flyJuly
Average flight time3 hrs, 55 mins
Most popular airlineTUI
Average flights per week2

Finding cheap flights from Cardiff to Kos: Frequently asked questions

The best price we found for a return flight from Cardiff to Kos is R 2,631. This is an estimate based on information collected from different airlines and travel providers over the last 4 days and is subject to change and availability.
3 hours and 55 minutes is the average flight time from Cardiff to Kos.
TUI flies direct from Cardiff to Kos.
As of July 2025, there are 2 flights per week flying from Cardiff to Kos.
The cheapest month to fly from Cardiff to Kos is usually July.
After crunching the numbers on our flight calendar, we found that it's currently cheapest to fly from Cardiff Airport to Kos Airport on Saturday, 12 July 2025.
Yes – the average flight time is 3 hours and 55 minutes.
We show every price from over 1,200 airlines and travel agents, comparing them all so you don’t have to. If you know you want to fly to Kos but you’re not ready to book, set up a Price Alert. We’ll track prices for you, and let you know when they rise or fall.
We crunched all the numbers in our flight calendar and it looks like the cheapest time to book a flight to Kos is around 40 days in advance, so don’t leave your flight to the last minute.
Currently, TUI offers the cheapest flight tickets to Kos.

Travelling from Cardiff Airport (CWL) to Kos Airport (KGS): what you need to know

  • For a smooth journey, arrive at the airport two hours ahead of international flights and an hour before domestic departures. This way, you'll have plenty of time to catch your CWL to KGS flight.

  • Longer lines at check-in and security are likely if you're flying during high season, so give yourself even more breathing space. A good general rule for peak times? Get there up to four hours early for international flights and two hours for domestic departures.

  • If you'd like to tour a different city along the way, look for a flight with a stopover. To see your options for tickets from Cardiff Airport to Kos Airport, uncheck 'Direct flights only.' Amsterdam Airport Schiphol is a sought-after stop between CWL and KGS.

How to find the cheapest flights from Cardiff Airport (CWL) to Kos Airport (KGS)

  • The cheapest price we've seen for a one-way Cardiff Airport to Kos Airport flight is R 1,428. A round-trip ticket is currently R 2,631. Depending on the availability and when you book, these fares could change.

  • To score cheap tickets from CWL to KGS, book in advance. Airlines typically offer the most competitive fares when flights are first released.

  • If you're flexible with your trip dates, try using the 'Whole month' search function. It'll show you the cheapest price across the month when looking for a flight from Cardiff Airport to Kos Airport.

  • Getting your hands on cheap flights from CWL to KGS is a cinch with Price Alerts. All you need to do is set up one of these automatic alerts and we'll notify you as soon as a new deal comes up.

  • Select your ideal departure and arrival times, airlines and number of stops with the filters. Or sort your results by 'Cheapest' to see the best deals on flights from Cardiff Airport to Kos Airport.

Handy information about Cardiff Airport (CWL)

  • When it comes to Cardiff Airport's on-time performance, 66.16% of flights stick to their scheduled arrival time.

  • Central Cardiff to Cardiff Airport is around 27 kilometres. Depending on traffic, it'll take about 30 minutes to get there if you're ride-sharing, catching a cab or driving.

  • Planning to take public transport? Expect a trip time of around 1 hour 5 minutes.

  • Get your trip off to a relaxed start by staying near CWL. Whether you're boarding an early flight from Cardiff Airport to Kos Airport or want to avoid feeling rushed, these hotels have you covered:

Arriving at Kos Airport (KGS)

  • Booking your vehicle from Kos Airport around three weeks in advance can help you get the best possible rate.

Plan the rest of your trip from Cardiff to Kos

Prices shown on this page are estimated lowest prices only. Found in the last 45 days.