--- title: "Cardiff to Donegal cheap flights (CWL to CFN) - Expedia" description: "Cheap Flights from Cardiff (CWL) to Donegal (CFN) start at for one-way and for round trip. Earn your airline miles on top of our rewards!" canonical: "https://www.expedia.com/lp/flights/cwl/cfn/cardiff-to-donegal" language: en-US market: US currency: USD prices_as_of: 2026-11-12T20:36:09Z --- # Cheap Flights from Cardiff (CWL) to Donegal (CFN) ![A stone church with a red door, arched windows, and a bell tower.](https://images.trvl-media.com/place/11245/bf480a7e-d041-4f95-b4d8-75adbf5c92ae.jpg?impolicy=fcrop&w=1200&h=500&q=medium) Photo by Jeff White ## Popular airlines from Cardiff International Airport (CWL) to Donegal (CFN) [American Airlines](https://www.expedia.com/Flights-Search?leg1=from:CWL,to:CFN,departure:11/26/2026TANYT&leg2=from:CFN,to:CWL,departure:12/3/2026TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"AA"}}]) [United](https://www.expedia.com/Flights-Search?leg1=from:CWL,to:CFN,departure:11/26/2026TANYT&leg2=from:CFN,to:CWL,departure:12/3/2026TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"UA"}}]) [Southwest Airlines](https://www.expedia.com/Flights-Search?leg1=from:CWL,to:CFN,departure:11/26/2026TANYT&leg2=from:CFN,to:CWL,departure:12/3/2026TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"WN"}}]) [Delta](https://www.expedia.com/Flights-Search?leg1=from:CWL,to:CFN,departure:11/26/2026TANYT&leg2=from:CFN,to:CWL,departure:12/3/2026TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"DL"}}]) [Frontier Airlines](https://www.expedia.com/Flights-Search?leg1=from:CWL,to:CFN,departure:11/26/2026TANYT&leg2=from:CFN,to:CWL,departure:12/3/2026TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"F9"}}]) [JetBlue Airways](https://www.expedia.com/Flights-Search?leg1=from:CWL,to:CFN,departure:11/26/2026TANYT&leg2=from:CFN,to:CWL,departure:12/3/2026TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"B6"}}]) [Alaska Airlines](https://www.expedia.com/Flights-Search?leg1=from:CWL,to:CFN,departure:11/26/2026TANYT&leg2=from:CFN,to:CWL,departure:12/3/2026TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"AS"}}]) ### Be in the know Get alerts if flight prices drop or rise\* ### Book smarter Save up to 30% on select hotels after you book a flight\* ### Earn twice Earn your airline miles on top of our OneKeyCash [Learn about One Key](https://www.expedia.com/welcome-one-key) ## Book with confidence ### Cardiff to Donegal Flights #### The cheapest times to fly from Cardiff to Donegal 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 Donegal are during the month of . You can find some of the cheapest flights from Cardiff to Donegal with Expedia's search tool and vast selection of airlines. #### The best time to book a flight from Cardiff to Donegal Sunday is one of the best days to book for cheap flights from Cardiff to Donegal: 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 Donegal 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 Donegal in 2026\. You can also book with separate airlines for your outbound and return journeys, from 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 Donegal 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](https://www.expedia.com/package-deals). Bundling together your Cardiff to Donegal 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.* ## Frequently Asked Questions ### How much does a flight from Cardiff Intl. Airport (CWL) to Donegal Airport (CFN) cost? Grab a cheap one-way flight or cheap return flight from Cardiff Intl. Airport (CWL) to Donegal Airport (CFN) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to find our cheapest flight deals on this route. ### What is the cheapest month to fly from Cardiff Intl. Airport (CWL) to Donegal Airport (CFN)? Planning your getaway for is a good way to save, as it's the cheapest month for flights between CWL and CFN. You'll often find the lowest prices during off-peak months. ### What is the cheapest airline that flies from Cardiff Intl. Airport (CWL) to Donegal Airport (CFN)? Expedia's filter tool lets you easily compare different airlines, flight durations and fares all in one place. Choose your preferences, then sort by "Price (lowest to highest)" to find out which carrier offers the cheapest CWL to CFN flight. ### How many flights per day from Cardiff Intl. Airport (CWL) to Donegal Airport (CFN)? Nonstop flights from Cardiff Intl. Airport (CWL) to Donegal Airport (CFN) aren't available daily, so you'll have to take a flight with a layover. Explore your options with Expedia's filter tool. Enter your dates and choose either "1 Stop" or "2+ Stops." ### What day of the week has the most flights from CWL to CFN? Friday is typically the busiest day for flights, while Tuesday is often the quietest.\* Just remember that flight schedules can vary based on a number of factors, such as the time of year and airline. *\*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 Donegal Airport (CFN)? To avoid possible delays on the Cardiff Intl. Airport (CWL) to Donegal Airport (CFN) 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 Donegal Airport (CFN) last-minute? Last-minute bookings from CWL to CFN are usually more expensive. For the lowest rates, start searching for flights well ahead of time. That said, if you're flexible with your travel dates, you may land a cheap ticket right before your journey. ### Is it cheaper to book a CWL to CFN flight and hotel package? Securing a CWL to CFN [flight and hotel package](https://www.expedia.com/Annagry.d6354421.Destination-Travel-Guides) tends to be cheaper than booking separately. With Expedia, you can enjoy the convenience of organizing your travels in one place. Select from our extensive range of stays and then add flights, car rentals and activities to your booking. Bundle everything together, and you could save hundreds of dollars. ### Can I cancel or change the date of my flight from Cardiff Intl. Airport (CWL) to Donegal Airport (CFN)? Typically, you're able to reschedule or cancel your CWL to CFN flight. However, there may be additional charges, especially if you booked over 24 hours ago. Check [your itinerary](https://www.expedia.com/trips) for the airline's fees and rules on flight changes, or if you want further details, head to our [Customer Service portal](https://www.expedia.com/helpcenter). ## Travel information | Origin airport | Cardiff International Airport | | ------------------- | ----------------------------- | | Destination airport | Donegal | | Distance | 325 miles away | ## Explore a world of travel with Expedia - [Lodging](?equalTargetTab=tab-0) - [Flights](?equalTargetTab=tab-1) - [Packages](?equalTargetTab=tab-2) - [Cars](?equalTargetTab=tab-3) - [Vacation Rentals](?equalTargetTab=tab-4) - [Gweedore Hotels](https://www.expedia.com/Gweedore-Hotels.d553248626284070301.Travel-Guide-Hotels) - [B&B in Bunbeg](https://www.expedia.com/Bunbeg-Bed-And-Breakfast.d6129571-aaBedAndBreakfast.Travel-Guide-Accommodation) - [Hostels in Crolly](https://www.expedia.com/Crolly-Hostels.d3000397315-aaHostels.Travel-Guide-Accommodation) - [Hotel Wedding Venues Hotels in Gweedore](https://www.expedia.com/Gweedore-Hotels-Wedding-Hotels.0-0-d553248626284070301-tWeddingHotels.Travel-Guide-Filter-Hotels) - 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