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Cheap flights from Cardiff to Kos from £303

This is the cheapest retur flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 16/8. Fares are subject to change and may not be available on all flights or dates of travel.
CWL — KGS
9 Jul — 16 Jul1
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 4 July 2025.

Round-trip from

£303

Good round-trip deal

£223 or less
TUI Airways
  • TUI Airways
  • 16/8-23/8
  • Nonstop
  • 8h 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 4 July 2025.

Sat 16/813:15CWL - KGS
Nonstop3h 55mTUI Airways
Sat 23/820:10KGS - CWL
Nonstop4h 10mTUI Airways
Deal found 2/7£303
Sat 16/809:00CWL - KGS
1 stop10h 30mRyanair
Sat 23/822:10KGS - CWL
1 stop14h 25mRyanair
Deal found 2/7£314
Sat 16/809:00CWL - KGS
2 stops26h 20mMultiple Airlines
Sat 23/822:10KGS - CWL
1 stop14h 25mMultiple Airlines
Deal found 2/7£346

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 4 July 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 16/8

13:15-19:10

Nonstop3h 55m

Kos

Sat 23/8

20:10-22:20

Nonstop4h 10m

£303

CardiffKos

CWL - KGS

CWLKGS

Cardiff Wales

Sat 16/8

09:00-21:30

1 stop10h 30m

Kos

Sat 23/8

22:10-10:35

1 stop14h 25m

£314

CardiffKos

CWL - KGS

CWLKGS

Cardiff Wales

Sat 16/8

09:00-13:20

2 stops26h 20m

Kos

Sat 23/8

22:10-10:35

1 stop14h 25m

£346

Flights are sorted by cheapest return flights first.

Deals found on 2/7

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.

Cheapflights Insights

Everything you need to know about your flight from Cardiff to Kos

What is the cheapest time of day to fly from CWL to KGS?

Find hourly flight availability from Cardiff to Kos. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 4 July 2025.

When flying from Cardiff to Kos, the time of day you fly usually plays a role in the price. Save by searching for a flight at midday, which can drop the price by up to 38% versus a flight in the morning.

Reviews of airlines servicing Kos

Get insights into the airlines that provide service to Kos. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Kos. Reviews last updated 4 July 2025.
See what other customers who have flown with Ryanair from Cardiff to Kos have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.

Boarding

6.7

Entertainment

5.6

Crew

7.5

Food

6.0

Overall

6.9

Comfort

6.5

Reviews

1 / 20
6.0
Good

Adrian,Jun 2025

EDI - BGY

Passengers were called forward for boarding before the plane was empty and left standing on the tarmac for about 15 - 20 minutes while the arriving passengers came off the plane.

Boarding

6.7

Entertainment

5.6

Crew

7.5

Food

6.0

Overall

6.9

Comfort

6.5

Reviews

1 / 20
6.0
Good

Adrian,Jun 2025

EDI - BGY

Passengers were called forward for boarding before the plane was empty and left standing on the tarmac for about 15 - 20 minutes while the arriving passengers came off the plane.

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 are the cheapest airlines flying from Cardiff to Kos round-trip?

    Cheapflights users have booked flights from Cardiff to Kos round-trip from £303. Another airline that can offer you cheap pricing is Ryanair.

  • What are the cheapest flights from Cardiff to Kos?

    Looking for the cheapest flight from Cardiff to Kos? While on average our users pay £426, our data indicates the cheapest price to be £124. The most popular route (Cardiff Wales - Kos), is priced around £303.

  • 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 Cardiff?

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

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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 4 July 2025.
AirlineCheapestAverageFlexibilityOn-time
TUI AirwaysCheapest£93Average£321FlexibilityNo cancel feeOn-timeN/A
Search TUI Airways flights

Fly with Cheapflights

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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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