$342 Cheap Flights from Cardiff (CWL) to Shannon (SNN)

View $342 flight on Tue, Dec 2, 2025Opens in a new window

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

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Cheap Flights from Cardiff to Shannon (CWL-SNN)

Prices were available within the past 7 days and start at $342 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 Shannon Airport (SNN) cost?
Snag a cheap one-way flight from $342 or cheap return flight from Cardiff Intl. Airport (CWL) to Shannon Airport (SNN) 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 Shannon Airport (SNN)?
Planning your trip for is a great way to save, as it's the cheapest month for flights between CWL and SNN. You'll typically find the lowest prices during the off-season.
What is the cheapest airline that flies from Cardiff Intl. Airport (CWL) to Shannon Airport (SNN)?
To find the cheapest airline that'll fly you from CWL to SNN, use Expedia's filter tool. Customize your search based on your travel style, such as preferred carriers and ideal departure window. You can then sort your results by "Price (lowest to highest)" to see the cheapest fares upfront.
How many flights per day from Cardiff Intl. Airport (CWL) to Shannon Airport (SNN)?
There aren't any daily nonstop flights departing from Cardiff Intl. Airport (CWL) to Shannon Airport (SNN). But you can choose flights with layovers. Filter your search results on Expedia to include one or two stops, and you'll be cruising above the clouds in no time.
What day of the week has the most flights from CWL to SNN?
Generally you'll find the largest variety of flight choices on a Friday. Tuesdays tend to be the quietest.* But this can change based on the season, carrier and other factors.*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 Shannon Airport (SNN)?
Opt for a flight from Cardiff Intl. Airport (CWL) to Shannon Airport (SNN) that leaves before 3 PM to reduce the likelihood of delays and cancellations. Departures after this hour are on average 22% more likely to be 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 Shannon Airport (SNN) last-minute?
Booking your ticket from CWL to SNN right before your getaway is typically more expensive. But if there's some wiggle room with your departure dates and times, you could grab a cheap last-minute fare.
Is it cheaper to book a CWL to SNN flight and hotel package?
Compared with arranging flights and hotels separately, booking a CWL to SNN flight and hotel package with Expedia could result in significant savings. What's more, having it all in one place takes the hassle out of travel planning. Just pick your flights and select from our extensive range of hotels, then tailor your trip with extras like tours and car rentals.
Can I cancel or change the date of my flight from Cardiff Intl. Airport (CWL) to Shannon Airport (SNN)?
Typically, it's possible to cancel or reschedule your CWL to SNN flight. However, if it's been more than 24 hours since booking, additional charges may apply. Check your airline's policies in your itinerary to see what changes are possible 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
Shannon
Distance
253 mi

Book with confidence

Book with confidence

Cardiff to Shannon Flights

The cheapest times to fly from Cardiff to Shannon

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

 

The best time to book a flight from Cardiff to Shannon

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

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 Shannon in 2025. You can also book with separate airlines for your outbound and return journeys, from $342 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 Shannon 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 Shannon 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 Shannon Flights

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*Available to One Key members.