$314 Cheap Flights from Basel (BSL) to Cardiff (CWL)

View $314 flight on Mon, Mar 30, 2026Opens in a new window

Popular airlines from EuroAirport Airport (BSL) to Cardiff International Airport (CWL)

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Cheap Flights from Basel to Cardiff (BSL-CWL)

Prices were available within the past 7 days and start at $314 for one-way flights and $397 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

KLM
Mon, Mar 30 - Fri, Apr 3
BSL
Basel
CWL
Cardiff
$397 Roundtrip, found 5 days ago
$397
Roundtrip
found 5 days ago
Select KLM flight, departing Mon, Mar 30 from Basel to Cardiff, returning Fri, Apr 3, priced at $397 found 5 days ago
KLM
Mon, Mar 30 - Fri, Apr 3
BSL
Basel
CWL
Cardiff
$414 Roundtrip, found 5 days ago
$414
Roundtrip
found 5 days ago
Select KLM flight, departing Mon, Mar 30 from Basel to Cardiff, returning Fri, Apr 3, priced at $414 found 5 days ago
KLM
Mon, Mar 30 - Fri, Apr 3
BSL
Basel
CWL
Cardiff
$455 Roundtrip, found 5 days ago
$455
Roundtrip
found 5 days ago
Select KLM flight, departing Mon, Mar 30 from Basel to Cardiff, returning Fri, Apr 3, priced at $455 found 5 days ago
Air France
Mon, Mar 30 - Fri, Apr 3
BSL
Basel
CWL
Cardiff
$469 Roundtrip, found 5 days ago
$469
Roundtrip
found 5 days ago
Select Air France flight, departing Mon, Mar 30 from Basel to Cardiff, returning Fri, Apr 3, priced at $469 found 5 days ago
Air France
Mon, Mar 30 - Fri, Apr 3
BSL
Basel
CWL
Cardiff
$470 Roundtrip, found 5 days ago
$470
Roundtrip
found 5 days ago
Select Air France flight, departing Mon, Mar 30 from Basel to Cardiff, returning Fri, Apr 3, priced at $470 found 5 days ago
KLM
Mon, Mar 30 - Fri, Apr 3
BSL
Basel
CWL
Cardiff
$473 Roundtrip, found 5 days ago
$473
Roundtrip
found 5 days ago
Select KLM flight, departing Mon, Mar 30 from Basel to Cardiff, returning Fri, Apr 3, priced at $473 found 5 days ago
KLM
Mon, Mar 30 - Fri, Apr 3
BSL
Basel
CWL
Cardiff
$482 Roundtrip, found 5 days ago
$482
Roundtrip
found 5 days ago
Select KLM flight, departing Mon, Mar 30 from Basel to Cardiff, returning Fri, Apr 3, priced at $482 found 5 days ago
KLM
Mon, Mar 30 - Fri, Apr 3
BSL
Basel
CWL
Cardiff
$487 Roundtrip, found 5 days ago
$487
Roundtrip
found 5 days ago
Select KLM flight, departing Mon, Mar 30 from Basel to Cardiff, returning Fri, Apr 3, priced at $487 found 5 days ago
Air France
Mon, Mar 30 - Fri, Apr 3
BSL
Basel
CWL
Cardiff
$500 Roundtrip, found 5 days ago
$500
Roundtrip
found 5 days ago
Select Air France flight, departing Mon, Mar 30 from Basel to Cardiff, returning Fri, Apr 3, priced at $500 found 5 days ago
Air France
Mon, Mar 30 - Fri, Apr 3
BSL
Basel
CWL
Cardiff
$500 Roundtrip, found 5 days ago
$500
Roundtrip
found 5 days ago
Select Air France flight, departing Mon, Mar 30 from Basel to Cardiff, returning Fri, Apr 3, priced at $500 found 5 days ago
Air France
Mon, Mar 30 - Fri, Apr 3
BSL
Basel
CWL
Cardiff
$501 Roundtrip, found 5 days ago
$501
Roundtrip
found 5 days ago
Select Air France flight, departing Mon, Mar 30 from Basel to Cardiff, returning Fri, Apr 3, priced at $501 found 5 days ago
KLM
Mon, Mar 30 - Fri, Apr 3
BSL
Basel
CWL
Cardiff
$505 Roundtrip, found 5 days ago
$505
Roundtrip
found 5 days ago
Select KLM flight, departing Mon, Mar 30 from Basel to Cardiff, returning Fri, Apr 3, priced at $505 found 5 days ago
Air France
Mon, Mar 30 - Fri, Apr 3
BSL
Basel
CWL
Cardiff
$521 Roundtrip, found 5 days ago
$521
Roundtrip
found 5 days ago
Select Air France flight, departing Mon, Mar 30 from Basel to Cardiff, returning Fri, Apr 3, priced at $521 found 5 days ago
Air France
Mon, Mar 30 - Fri, Apr 3
BSL
Basel
CWL
Cardiff
$521 Roundtrip, found 5 days ago
$521
Roundtrip
found 5 days ago
Select Air France flight, departing Mon, Mar 30 from Basel to Cardiff, returning Fri, Apr 3, priced at $521 found 5 days ago
Air France
Mon, Mar 30 - Fri, Apr 3
BSL
Basel
CWL
Cardiff
$528 Roundtrip, found 5 days ago
$528
Roundtrip
found 5 days ago
Select Air France flight, departing Mon, Mar 30 from Basel to Cardiff, returning Fri, Apr 3, priced at $528 found 5 days ago

Frequently asked questions

How much does a flight from Basel (BSL-EuroAirport) to Cardiff (CWL-Cardiff Intl.) cost?
You can find cheap one-way flights from $314 and cheap return flights from $397 Basel (BSL-EuroAirport) to Cardiff (CWL-Cardiff Intl.) with Expedia. Return flights typically cost between $780 and $2396. Flight prices vary based on the month and day of the week you want to travel, as well as the airline and how far in advance you book your ticket. Filter your search on Expedia by "Price (lowest to highest)" to see the cheapest fares first, and use the Price Tracking tool to receive alerts when Basel (BSL-EuroAirport) to Cardiff (CWL-Cardiff Intl.) ticket fares go up or down.*Typical price ranges based on flights available on Expedia in the last year. Prices include multi-airline options.
What is the cheapest month to fly from Basel (BSL-EuroAirport) to Cardiff (CWL-Cardiff Intl.)?
The cheapest month to fly from BSL to CWL is March when demand is low. Traveling in off-peak or shoulder months is usually a good way to secure cheap tickets, just remember to avoid flying during holidays if you're able to. Use the calendar view in your search to see which months have low fares on this route.
Which airlines fly direct from Basel (BSL-EuroAirport) to Cardiff (CWL-Cardiff Intl.)?
Enter BSL to CWL and your travel dates, then apply the 'Nonstop' filter to see only direct flights.
How do I find cheap flights from Basel (BSL-EuroAirport) to Cardiff (CWL-Cardiff Intl.)?
To find a cheap flight from Basel (BSL-EuroAirport) to Cardiff (CWL-Cardiff Intl.), be flexible with your dates. Traveling outside of peak vacation months and booking a mid-week flight can help you save. Early morning and late night flights are often more affordable, too. Expedia allows you to compare flight times, airlines and routes all in one place to find low fares. You can also set up Price Tracking and receive alerts when fares go up or down.
What is the best time to fly from Basel (BSL-EuroAirport) to Cardiff (CWL-Cardiff Intl.)?
The best time to fly is usually mid-week (Tuesday or Wednesday) and during early morning hours as flights tend to be cheaper, less crowded, and generally more on-time. Avoid major holidays and peak vacation seasons for smoother travel. Combining off-peak days and hours often gives the best combination of cost, comfort, and convenience.
What is the earliest flight from Basel (BSL-EuroAirport) to Cardiff (CWL-Cardiff Intl.)?
The earliest flight from EuroAirport Basel (BSL) to Cardiff International Airport (CWL) usually departs at around 6:05 AM, operated by KLM. This seasonal service is active in November, giving you an early start to enjoy your time in Cardiff. To compare early flights on Expedia, select the "Early Morning" and "Morning" filters in your search.
What day of the week has the most flights from Basel (BSL-EuroAirport) to Cardiff (CWL-Cardiff Intl.)?
You'll usually find the most flights from EuroAirport Basel (BSL) to Cardiff Intl. (CWL) on a Friday, with around 3 flights available. This gives you plenty of options for your travel plans. A major airline on this route is Hop!.
What are the most popular departure times for flights from Basel (BSL-EuroAirport) to Cardiff (CWL-Cardiff Intl.)?
The most popular departure times for flights from Basel (BSL-EuroAirport) to Cardiff (CWL-Cardiff Intl.) are in the early afternoon, from 12pm to 3pm. About 55% of passengers choose this time window. Many major carriers, including KLM and Air France, operate flights during this time. This timing is favored as it allows travelers to have a relaxed morning before their flight.
How long does it take to fly from Basel (BSL-EuroAirport) to Cardiff (CWL-Cardiff Intl.)?
Flights from BSL to CWL with one stop typically take around 4 hours 50 minutes, covering approximately 553 miles. Keep in mind that actual flight times can vary due to wind patterns, weather, and air traffic.
Can you fly business or first class from Basel (BSL-EuroAirport) to Cardiff (CWL-Cardiff Intl.)?
Business class seats are offered on the BSL to CWL route with KLM.
How do I earn miles on a Basel (BSL-EuroAirport) to Cardiff (CWL-Cardiff Intl.) flight with Expedia?
It's easy to earn miles on a Basel (BSL-EuroAirport) to Cardiff (CWL-Cardiff Intl.) flight when you book with Expedia. Before you confirm your booking, simply select your frequent flyer program and enter your program number. As a member of One Key™, you can also earn OneKeyCash™* on top of your airline miles when you book with Expedia.*Excludes taxes and fees. OneKeyCash is not redeemable for cash and can only be used on Expedia and other participating brands.
What airports do you fly into for Cardiff from EuroAirport Basel (BSL)?
From EuroAirport Basel (BSL), you can fly into Cardiff Intl. (CWL) to reach Cardiff. Some flights may connect through major hubs like Roissy-Charles de Gaulle (CDG) before reaching Cardiff. Compare routes and airports on Expedia to find the best flight options for your travel plans.
Is it cheaper to buy a plane ticket from Basel (BSL-EuroAirport) to Cardiff (CWL-Cardiff Intl.) at the last minute?
Typically, booking a last minute flight from Basel (BSL-EuroAirport) to Cardiff (CWL-Cardiff Intl.) will be more expensive than booking in advance. As the departure date approaches, there are usually fewer seats available which can drive up the cost. However, if there's some wiggle room with your travel dates and times, you could bag a cheap last-minute fare.
Is it cheaper to book a Basel (BSL-EuroAirport) to Cardiff (CWL-Cardiff Intl.) flight and hotel package?
Securing a Basel (BSL-EuroAirport) to Cardiff (CWL-Cardiff Intl.) Cardiff Vacation Packages is usually cheaper than booking separately. With Expedia, you can enjoy the ease of organizing your travels all in one place. Select from our extensive range of stays and then add flights, activities and car rentals to your booking. Bundle everything together, and you could save hundreds of dollars.
Can I cancel or change the date of my flight from Basel (BSL-EuroAirport) to Cardiff (CWL-Cardiff Intl.)?
If you booked your Basel (BSL-EuroAirport) to Cardiff (CWL-Cardiff Intl.) flight within the last 24 hours, you may be able to modify or cancel it without any fees. Depending on the airline and the type of ticket you have, additional charges may apply for changes beyond this timeframe. Airline policies and contact information can be found in your itinerary or confirmation email. Or, head to our Customer Service portal if you'd like more information.

Travel information

Origin airport
EuroAirport
Destination airport
Cardiff Intl.
Roundtrip price
$396
Distance
553 mi

Book with confidence

Basel to Cardiff Flights

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

 

The best time to book a flight from Basel to Cardiff

Sunday is one of the best days to book for cheap flights from Basel 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 Basel 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 Basel to Cardiff in 2026. You can also book with separate airlines for your outbound and return journeys, from $314 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 Basel 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 Basel 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.

 

Basel to Cardiff Flights

*Flight schedules are subject to change.

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*Available to One Key members.