$180 Cheap Flights from Cardiff (CWL) to Reykjavik (KEF)

View $180 flight on Tue, Dec 9, 2025Opens in a new window

Popular airlines from Cardiff International Airport (CWL) to Reykjavik–Keflavik Intl. Airport (KEF)

Cheap Flights from Cardiff to Reykjavik (CWL-KEF)

Prices were available within the past 7 days and start at $180 for one-way flights and for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Frequently asked questions

How much does a flight from Cardiff Intl. Airport (CWL) to Keflavik Intl. Airport (KEF) cost?
Secure a cheap one-way flight from $180 or cheap return flight from Cardiff Intl. Airport (CWL) to Keflavik Intl. Airport (KEF) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to find our cheapest flight offers on this route.
What is the cheapest month to fly from Cardiff Intl. Airport (CWL) to Keflavik Intl. Airport (KEF)?
The cheapest month to fly from CWL to KEF is , when demand is low. Off-peak months are typically when you'll find lower airfares between these airports.
Which airlines fly direct from Cardiff Intl. Airport (CWL) to Keflavik Intl. Airport (KEF)?
You can't fly direct from Cardiff (CWL-Cardiff Intl.) to Keflavik Intl. Airport (KEF). However, you can seamlessly travel to Reykjavik without any layovers by departing from Bristol Intl. Airport (BRS).
What is the cheapest airline that flies from Cardiff Intl. Airport (CWL) to Keflavik Intl. Airport (KEF)?
Expedia's filter tool lets you easily compare travel time, airlines and fares all in one place. Choose your preferences, then sort by "Price (lowest to highest)" to see which carrier offers the cheapest CWL to KEF flight.
How many flights per day from Cardiff Intl. Airport (CWL) to Keflavik Intl. Airport (KEF)?
You'll need to take a flight with a layover when traveling from Cardiff Intl. Airport (CWL) to Keflavik Intl. Airport (KEF). There are no daily direct flights on this route. However, simply filter your search to include one or more stops to find an option that works for you.
What day of the week has the most flights from CWL to KEF?
Friday is usually the busiest day for flights, while Tuesday is often the quietest.* Just remember that flight schedules can vary depending on a number of factors, including the airline and season.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What is the best time to fly from Cardiff Intl. Airport (CWL) to Keflavik Intl. Airport (KEF)?
To avoid possible delays on the Cardiff Intl. Airport (CWL) to Keflavik Intl. Airport (KEF) route, fly before 3 PM. Departures after this hour have a 22% higher chance of being canceled.**Most reliable time of the day and month to travel recommendation is based on January through August 2024 flight status data sourced from OAG's global flight data platform.
Is it cheaper to buy a plane ticket from Cardiff Intl. Airport (CWL) to Keflavik Intl. Airport (KEF) last-minute?
Last-minute bookings from CWL to KEF are typically more expensive. For the best rates, start searching for flights early. That said, if you're flexible with your travel dates, it's possible to score a cheap fare right before your journey.
Is it cheaper to book a CWL to KEF flight and hotel package?
Compared with arranging flights and hotels separately, booking a CWL to KEF flight and hotel package with Expedia could result in significant savings. What's more, having everything in one place takes the hassle out of travel planning. Simply pick your flights and choose from our extensive range of hotels, then tailor your trip with other add-ons like activities, tours and car rentals.
Can I cancel or change the date of my flight from Cardiff Intl. Airport (CWL) to Keflavik Intl. Airport (KEF)?
Usually, it's possible to reschedule or cancel your CWL to KEF flight. However, if it's been more than 24 hours since booking, additional fees may apply. Check your airline's policies in your itinerary to see what changes are allowed and if any costs are involved. You'll also find more details on our Customer Service portal.

Travel information

Travel information

Origin airport
Cardiff Intl.
Destination airport
Keflavik Intl.
Distance
1115 mi

Book with confidence

Book with confidence

Cardiff to Reykjavik Flights

The cheapest times to fly from Cardiff to Reykjavik

On average, Thursday can be the cheapest time to fly, according to data from the Airlines Reporting Corporation (ARC), one of the world's biggest databases for global airline sales. The data reveals that you could save up to 16% by flying on a Thursday—the cheapest day to travel on average—instead of a Sunday—the most expensive. Some of the most affordable flights from Cardiff to Reykjavik are during the month of . You can find some of the cheapest flights from Cardiff to Reykjavik with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from Cardiff to Reykjavik

Sunday is one of the best days to book for cheap flights from Cardiff to Reykjavik: Tickets reserved on a Sunday cost between 6% and 13% less than those reserved on a Friday, according to ARC data. The data also suggests booking early can also lead to cheaper airfares. You could save 24% by buying your tickets for domestic flights at least a month in advance and 10% by booking international flights 2 months in advance.

 

How to find cheap round-trip tickets from Cardiff to Reykjavik

Being flexible with your dates and using Expedia's Price Drop Protection and Price Tracking features are some of the best ways of finding a cheap ticket from Cardiff to Reykjavik in 2025. You can also book with separate airlines for your outbound and return journeys, from $180 one-way. Expedia also offers Price Drop Protection, so if the cost of your airfare goes down after booking, you'll receive a credit for the difference*. This is available for a small fee, and is free to One Key Gold and Platinum tier members.

 

Expedia's Price Tracking feature means you can stay on top of airfares without manually checking every day. It sends you automated price alerts for cheap Cardiff to Reykjavik flights and uses historical data to indicate when the best time to book is. Download Expedia's free app to activate this handy tool in a few easy taps.

 

You could also save big by booking one of Expedia's vacation packages. Bundling together your Cardiff to Reykjavik airfare with your accommodations and car rental is often cheaper than booking everything separately. There’s also One Key, Expedia's generous rewards program. Join for free and you could earn One Key cash on most bookings to save on future adventures.

 

*Terms apply.

 

Disclaimer: ARC The statistics are based on average round-trip ticket prices between January and August 2023. The percentages you see are averages.

 

Cardiff to Reykjavik Flights

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*Available to One Key members.