$304 Cheap Flights from Shannon (SNN) to Cardiff (CWL)

View $304 flight on Tue, Nov 18, 2025Opens in a new window

Popular airlines from Shannon Airport (SNN) to Cardiff International Airport (CWL)

  • Plan, book, fly with confidence

  • trending down icon

    Be in the know

    Get alerts if flight prices drop or rise*
  • bex rewards loyalty icon

    Book smarter

    Save up to 30% on select hotels after you book a flight*
  • one key icon

    Earn twice

    Earn your airline miles on top of our OneKeyCash
    Learn about One Key

Cheap Flights from Shannon to Cardiff (SNN-CWL)

Prices were available within the past 7 days and start at $304 for one-way flights and for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Flights from Shannon (SNN) to Cardiff (CWL)
Origin airport
Shannon
Destination airport
Cardiff Intl.
Distance
253 mi

Shannon to Cardiff Flights

The cheapest times to fly from Shannon to Cardiff

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 Shannon to Cardiff are during the month of . You can find some of the cheapest flights from Shannon to Cardiff with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from Shannon to Cardiff

Sunday is one of the best days to book for cheap flights from Shannon to Cardiff: 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 Shannon to Cardiff

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 Shannon to Cardiff in 2025. You can also book with separate airlines for your outbound and return journeys, from $304 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 Shannon to Cardiff 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 Shannon to Cardiff 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 Shannon Airport (SNN) to Cardiff Intl. Airport (CWL) cost?
Discover the latest flight deals from SNN to CWL by entering your preferred travel dates and searching on Expedia. Easily compare prices by departure date if you have flexibility with your schedule and use handy filters to explore prices for your preferred journey. As a member of One Key™, our free loyalty program, you can use Price Tracking to watch fares and receive notifications if prices go up or down.
What is the cheapest month to fly from SNN to CWL?
The cheapest flights from SNN to CWL are usually during off-peak season, when demand is lower. To save money, avoid flying during public holidays, school breaks and major local events.
What is the cheapest airline that flies from SNN to CWL?
Use the filter tool on Expedia to compare airlines and find the cheapest carrier that'll take you from SNN to CWL. Sort your results by "Price (lowest to highest)" to snap up a great deal.
How many flights per day from Shannon Airport (SNN) to Cardiff Intl. Airport (CWL)?
Direct flights from Shannon Airport (SNN) to Cardiff Intl. Airport (CWL) aren't available daily, so you'll need to take a flight with a layover. Explore your options with Expedia's filters. Enter your travel details and select either "1 Stop" or "2+ Stops."
What day of the week has the most flights from SNN to CWL?
You'll generally find Tuesday the quietest day for flights, while Fridays are often the busiest.* However this can vary from season to season and during public holidays or peak travel times.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What is the best time to fly from Shannon Airport (SNN) to Cardiff Intl. Airport (CWL)?
Choose a flight from Shannon Airport (SNN) to Cardiff Intl. Airport (CWL) that takes off before 3 PM to reduce the likelihood of delays. Departures after this time have a 22% higher chance of being canceled, on average.**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 Shannon Airport (SNN) to Cardiff Intl. Airport (CWL) last-minute?
Booking your flight from SNN to CWL just before your journey is typically more expensive. However, if there's some wiggle room with your schedule, you could score a cheap last-minute fare.
Is it cheaper to book a SNN to CWL flight and hotel package?
Compared with arranging hotels and flights separately, booking a SNN to CWL flight and hotel package with Expedia could result in significant savings. Better still, having it all in one place will take the hassle out of planning your trip. Just secure your flights and choose from our extensive range of stays, then tailor your trip with extras like tours, activities and car rentals.
Can I cancel or change the date of my flight from Shannon Airport (SNN) to Cardiff Intl. Airport (CWL)?
If you booked your SNN to CWL flight in the last 24 hours, you may be able to cancel or modify it without any fees. Depending on the airline and the type of ticket you purchased, additional charges may apply for changes after that time. Airline policies and contact information can be found in your itinerary or confirmation email. Or, visit our Customer Service portal if you want more information.

Explore a world of travel with Expedia

*Available to One Key members.