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C$112 Cheap Flights from Cardiff (CWL) to Kos (KGS)

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Flight deals from Cardiff to Kos

Looking for a cheap last-minute deal or the best return flight from Cardiff Airport to Kos Airport? If you want to travel next month, return fares start from C$221. Find the lowest prices on one-way and return tickets right here.
Kos.C$112 per passenger.Departing Wed., Jul. 1.One-way flight with TUI.Outbound direct flight with TUI departs from Cardiff on Wed., Jul. 1, arriving in Kos.Price includes taxes and charges.From C$112, select.
Kos.C$133 per passenger.Departing Tue., Sep. 22.One-way flight with Ryanair.Outbound indirect flight with Ryanair, departs from Cardiff on Tue., Sep. 22, arriving in Kos.Price includes taxes and charges.From C$133, select.
Kos.C$285 per passenger.Departing Thu., Dec. 10.One-way flight with Ryanair.Outbound indirect flight with Ryanair, departs from Cardiff on Thu., Dec. 10, arriving in Kos.Price includes taxes and charges.From C$285, select.
Kos.C$304 per passenger.Departing Sat., Aug. 22.One-way flight with TUI.Outbound direct flight with TUI departs from Cardiff on Sat., Aug. 22, arriving in Kos.Price includes taxes and charges.From C$304, select.
Kos.C$356 per passenger.Departing Wed., Sep. 9.One-way flight with TUI.Outbound direct flight with TUI departs from Cardiff on Wed., Sep. 9, arriving in Kos.Price includes taxes and charges.From C$356, select.
Kos.C$373 per passenger.Departing Fri., Oct. 2.One-way flight with Ryanair.Outbound indirect flight with Ryanair, departs from Cardiff on Fri., Oct. 2, arriving in Kos.Price includes taxes and charges.From C$373, select.
Kos.C$416 per passenger.Departing Wed., Oct. 14.One-way flight with TUI.Outbound direct flight with TUI departs from Cardiff on Wed., Oct. 14, arriving in Kos.Price includes taxes and charges.From C$416, select.
Kos.C$442 per passenger.Departing Wed., Jun. 23.One-way flight with TUI.Outbound direct flight with TUI departs from Cardiff on Wed., Jun. 23, arriving in Kos.Price includes taxes and charges.From C$442, select.
Kos.C$477 per passenger.Departing Sun., Apr. 25.One-way flight with Aer Lingus.Outbound indirect flight with Aer Lingus, departs from Cardiff on Sun., Apr. 25, arriving in Kos.Price includes taxes and charges.From C$477, select.
Kos.C$619 per passenger.Departing Wed., May 19.One-way flight with TUI.Outbound direct flight with TUI departs from Cardiff on Wed., May 19, arriving in Kos.Price includes taxes and charges.From C$619, 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.
Jun.
Find prices
Jul.
from C$112
Aug.
from C$304
Sep.
from C$133
Oct.
from C$373
Nov.
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Dec.
from C$285
Jan.
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Feb.
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Mar.
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Apr.
from C$477
May
from C$619

Which airlines fly from Cardiff to Kos?

Cardiff to Kos: Flight information

The things to know before you go.
Cheapest flight foundC$112
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 C$221. 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 June 2026, 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 Wednesday, July 8, 2026.
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.

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

  • If you're traveling during a major holiday or other peak period, give yourself extra time. A good general rule is two hours before domestic flights and up to four hours before international departures. Lines at check-in and security will be longer.

  • Choose a stopover if you'd love to break up your flight from Cardiff Airport to Kos Airport. To see your options, just deselect 'Direct flights only.' Amsterdam Airport Schiphol is a popular stopover on the CWL to KGS route.

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

  • The best price we've found for a one-way ticket from Cardiff Airport to Kos Airport is C$112. The cheapest price for a return flight is C$221. Remember that fares may change due to availability at the time of booking.

  • It's a good idea to book ahead of time if you want to get cheap flight tickets from CWL to KGS. That's because airlines change prices based on demand, which tends to rise closer to departure.

  • If you're willing to be flexible with your travel dates, use the 'Whole month' tool. It'll show you the lowest price across each month when looking for a ticket from Cardiff Airport to Kos Airport.

  • Create a Price Alert for cheap flight tickets from CWL to KGS. You don't need to check back in every day to see if fares have dropped. We'll tell you the moment there's a change in price.

  • Tailor your trip using filters. Select your departure and arrival times, total journey duration and airlines. You can also sort results by 'Fastest,' 'Cheapest' or 'Best' flights from Cardiff Airport to Kos Airport.

Handy information about Cardiff Airport (CWL)

  • Traveling from central Cardiff to Cardiff Airport takes about 1 hour and 6 minutes by public transport. If you ride-share, drive or hail a cab, you'll cover the 27 kilometres in 31 minutes or so, depending on traffic conditions.

  • Want an easy way to start to your journey? Stay near CWL. Whether you're taking an early flight from Cardiff Airport to Kos Airport or just don't want to be rushed, these stays have you covered:

Arriving at Kos Airport (KGS)

Getting from Kos Airport (KGS) to central Greece

  • Central Greece is roughly 434 kilometres from Kos Airport. Travel times by cab or car rental will vary depending on traffic conditions, so do a little research ahead of your trip.

When to fly to Kos Airport (KGS)

  • The quietest month for a flight from Cardiff Airport to Kos Airport is February, while August is the busiest. Choose the best time to visit Greece based on whether you prefer a laid-back vibe or a more bustling atmosphere.

  • The warmest month in Greece is July, with the temperature ranging between 22ºC and 33ºC. Book your flights from Cardiff Airport to Kos Airport in this month if you like this kind of weather.

  • Search for cheap flight tickets from CWL to KGS in January if you like traveling in cooler conditions. Temperatures are at their lowest then, ranging between 2ºC and 13ºC on average.

More about Greece

  • Start your Greece trip right by finding the perfect stay. Once you've booked your flight from CWL to KGS, explore our range of accommodation options including:

  • There are so many things to discover in this city it can be hard to know where to begin. Agios Panteleimonas, Κύμα - Kyma - The wave and Τρείς μώλοι / Three piers beach are top attractions which should be on any good Greece itinerary.

Plan the rest of your trip from Cardiff to Kos

Prices shown on this page are estimated lowest prices only. Found in the last 12 days.