Cheap flights from Cardiff to Kos from £255

This is the cheapest retur flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 4/10. Fares are subject to change and may not be available on all flights or dates of travel.
CWL — KGS
3 Sep — 10 Sep1
1 adult

Cheap flight deals from Cardiff to Kos

Discover tips and strategies to find the most affordable flight options for your journey from Cardiff (CWL) to Kos (KGS). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated 29 August 2025.

Round-trip from

£255

Good round-trip deal

£177 or less
4/10-15/10
  • 4/10-15/10
  • 4 total stops
  • 46h 05m total
  • Cardiff to Kos
Price to beat on a round-trip flight from Cardiff Wales to Kos.

Find flight deals from Cardiff to Kos

Cheapest flights from Cardiff to Kos
Explore the most affordable flight options available from Cardiff to Kos. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 29 August 2025.

Sat 4/1009:00CWL - KGS
2 stops24h 05mMultiple Airlines
Wed 15/1011:25KGS - CWL
2 stops22h 00mMultiple Airlines
Deal found 27/8£255
Sun 12/1017:20CWL - KGS
2 stops23h 00mRyanair
Sun 19/1011:40KGS - CWL
2 stops26h 25mRyanair
Deal found 29/8£282
Sat 4/1013:15CWL - KGS
Nonstop3h 55mTUI Airways
Wed 15/1012:55KGS - CWL
Nonstop4h 10mTUI Airways
Deal found 28/8£319

Cheapflights Fare Finder

 
Customise your flight search to find flights from Cardiff to Kos that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 858,174 searches. Data last updated 29 August 2025.
Use the filters below to find and compare flights from Cardiff to Kos that are best for you.

Fly from

Cardiff

Fly to

Kos

Route

Depart

Return

Price

CardiffKos

CWL - KGS

CWLKGS

Cardiff Wales

Sat 4/10

09:00-11:05

2 stops24h 05m

Kos

Wed 15/10

11:25-07:25

2 stops22h 00m

£255

CardiffKos

CWL - KGS

CWLKGS

Cardiff Wales

Sun 12/10

17:20-18:20

2 stops23h 00m

Kos

Sun 19/10

11:40-12:05

2 stops26h 25m

£282

CardiffKos

CWL - KGS

CWLKGS

Cardiff Wales

Sat 4/10

13:15-19:10

Nonstop3h 55m

Kos

Wed 15/10

12:55-15:05

Nonstop4h 10m

£319

Flights are sorted by cheapest return flights first.

Deals found on 27/8

Best time to book a flight from Cardiff to Kos

Have a flexible travel schedule? Discover the best time to fly to Kos from Cardiff with our price prediction graph.
Estimated return price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Related info for your journey

Find useful and relevant information for your journey from Cardiff to Kos. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
  • How popular is this Cardiff to Kos flight route?

  • What is the cheapest airline to fly from Cardiff to Kos round-trip?

    Cheapflights users have booked flights from Cardiff to Kos round-trip from £126.

  • What are the cheapest flights from Cardiff to Kos?

    Looking for the cheapest flight from Cardiff to Kos? While on average our users pay £236, our data indicates the cheapest price to be £172. The most popular route (Cardiff Wales - Kos), is priced around £255.

  • Can I find deals for flights from Cardiff to Kos that include hotel bookings?

    Yes. In addition to deals on Cardiff to Kos flights, Cheapflights offers holiday packages that include both flights and hotel.

  • How can I find direct flights from Cardiff to Kos?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Cardiff to Kos.

  • Can I find deals for business class flights from Cardiff to Kos?

    Yes. Cheapflights offers flight deals from Cardiff to Kos by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

See more FAQs

Travelling to a place near Kos?

Book flights to Kos if you plan to visit one of these locations
Marmari
Kardamena

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Top airline flying from Cardiff to Kos

Discover the top airline that operate flights from Cardiff to Kos. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 858,174 searches. Data last updated 29 August 2025.
AirlineCheapestAverageFlexibilityOn-time
TUI AirwaysCheapest£126Average£310FlexibilityNo cancel feeOn-timeN/A
Search TUI Airways flights

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How does Cheapflights help users find flights from Cardiff to Kos?

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Why should you use Cheapflights to find cheap flight tickets from Cardiff to Kos?

By finding flights from multiple airlines and providers at completely no cost, Cheapflights helps millions of users like you annually find the best flights to Kos from Cardiff.

Can Cheapflights find flights from Cardiff to Kos with no change fees?

Cheapflights does show flights with no change fees to all users. To see these options for flights from Cardiff to Kos, users can toggle the no change fees filter when performing a flight search.

Can Cheapflights notify me if prices for flights from Cardiff to Kos become cheaper?

Of course! You can now track prices for flights from Cardiff to Kos and get an alert from Cheapflights when they change. Have a valid email address ready and click the bell icon next to the flight deals above to set up your price alerts.

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