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Cheap flights from Cardiff to Reykjavik Keflavik Intl Airport from £324

This is the cheapest retur flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 21/3. Fares are subject to change and may not be available on all flights or dates of travel.
CWL — KEF
6 Mar — 13 Mar1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Cardiff to Keflavik Intl

Enter your travel dates to find the best prices.

Cheapest flights from Cardiff to Keflavik Intl
Explore the most affordable flight options available from Cardiff to Keflavik Intl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 4 February 2026.

Sat 21/320:25
CWL
-
KEF
2 stops22h 15m
Multiple Airlines
Sat 28/308:00
KEF
-
CWL
2 stops11h 40m
Multiple Airlines
Deal found 4/2£324
Fri 27/222:25
CWL
-
KEF
3 stops38h 25m
Multiple Airlines
Tue 3/310:20
KEF
-
CWL
2 stops23h 30m
Multiple Airlines
Deal found 4/2£356
Mon 8/613:35
CWL
-
KEF
2 stops11h 35m
Multiple Airlines
Fri 12/607:55
KEF
-
CWL
3 stops13h 25m
Multiple Airlines
Deal found 4/2£365
Thu 19/317:25
CWL
-
KEF
1 stop17h 00m
KLM
Thu 26/311:25
KEF
-
CWL
1 stop22h 25m
KLM
Deal found 2/2£378
Thu 19/310:20
CWL
-
KEF
2 stops13h 00m
Multiple Airlines
Thu 26/311:25
KEF
-
CWL
1 stop22h 25m
Multiple Airlines
Deal found 2/2£416

Find flight deals from Cardiff to Keflavik Intl

Discover tips and strategies to find the most affordable flight options for your journey from Cardiff (CWL) to Keflavik Intl (KEF). 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 February 2026.

Round-trip from

£378
KLM
  • KLM
  • 19/3-26/3
  • 2 total stops
  • 39h 25m total
  • Cardiff to Reykjavik
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Cheapflights Fare Finder

 
Customise your flight search to find flights from Cardiff to Keflavik Intl 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 February 2026.
Use the filters below to find and compare flights from Cardiff to Reykjavik Keflavik Intl Airport that are best for you.

Fly from

Cardiff

Fly to

Keflavik Intl

Route

Depart

Return

Price

CardiffReykjavik

CWL - KEF

CWLKEF

Cardiff Wales

Sat 21/3

20:25-18:40

2 stops22h 15m

Reykjavik Keflavik Intl

Sat 28/3

08:00-19:40

2 stops11h 40m

£324

CardiffReykjavik

CWL - KEF

CWLKEF

Cardiff Wales

Fri 27/2

22:25-12:50

3 stops38h 25m

Reykjavik Keflavik Intl

Tue 3/3

10:20-09:50

2 stops23h 30m

£356

CardiffReykjavik

CWL - KEF

CWLKEF

Cardiff Wales

Mon 8/6

13:35-00:10

2 stops11h 35m

Reykjavik Keflavik Intl

Fri 12/6

07:55-22:20

3 stops13h 25m

£365

CardiffReykjavik

CWL - KEF

CWLKEF

Cardiff Wales

Thu 19/3

17:25-10:25

1 stop17h 00m

Reykjavik Keflavik Intl

Thu 26/3

11:25-09:50

1 stop22h 25m

£378

CardiffReykjavik

CWL - KEF

CWLKEF

Cardiff Wales

Thu 19/3

10:20-23:20

2 stops13h 00m

Reykjavik Keflavik Intl

Thu 26/3

11:25-09:50

1 stop22h 25m

£416

Flights are sorted by cheapest return flights first.

Deals found on 4/2

Best time to book a flight from Cardiff to Keflavik Intl

Have a flexible travel schedule? Discover the best time to fly to Keflavik Intl 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 Keflavik Intl. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly from for flights from Cardiff to Reykjavik Keflavik Intl?

    Most people fly from Cardiff Wales (CWL) if they book a flight from Cardiff to Reykjavik Keflavik Intl. On average, Cardiff Wales has 0 outbound flights to Reykjavik Keflavik Intl per day from 0 airlines. Cardiff Wales is conveniently located just 9.1 mi from Cardiff’s city center.

  • How long is the flight from Cardiff to Reykjavik Keflavik Intl Airport?

    Airlines like KLM fly from Cardiff to Reykjavik Keflavik Intl Airport in about 17h. The time it takes to get you to your destination can typically vary by up to . Cardiff and Reykjavik Keflavik Intl Airport are separated by a distance of 1114 mi.

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

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

  • How can I find direct flights from Cardiff to Keflavik Intl?

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

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

    Yes. Cheapflights offers flight deals from Cardiff to Keflavik Intl 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 Reykjavik Keflavik Intl Airport?

Book flights to Reykjavik Keflavik Intl Airport if you plan to visit one of these locations
Hveragerdi
Keflavik

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Alternative routes for Cardiff to Keflavik Intl

See prices for flight routes from nearby airports that may be better suited for you.
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How does Cheapflights help users find flights from Cardiff to Keflavik Intl?

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

Cheapflights helps you find that perfect flight to Keflavik Intl from Cardiff by searching from hundreds of airlines and agencies you know and love. We are also free to use, in case you were wondering!

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

Yes, we can. To see specific flights from Cardiff to Keflavik Intl with no change fees, users can toggle flexible booking options after using the search form above to find flights.

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

Yes, Cheapflights offers price alerts on Cardiff to Keflavik Intl flights so you can book your travel at the perfect time. Price Alerts can be enabled by clicking the bell icon next to the flight deals above and providing your email address where you want to receive the alerts.

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