$538 Cheap Flights from Buffalo (BUF) to Cardiff (CWL)

View $538 flight on Mon, Sep 1, 2025Opens in a new window

Popular airlines from Buffalo Niagara Intl. Airport (BUF) to Cardiff International Airport (CWL)

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Cheap Flights from Buffalo to Cardiff (BUF-CWL)

Prices were available within the past 7 days and start at $538 for one-way flights and $897 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Virgin Atlantic
Mon, Oct 6 - Fri, Oct 24
BUF
Buffalo
CWL
Cardiff
$897 Roundtrip, found 23 hours ago
$897
Roundtrip
found 23 hours ago
Select Virgin Atlantic flight, departing Mon, Oct 6 from Buffalo to Cardiff, returning Fri, Oct 24, priced at $897 found 23 hours ago
Virgin Atlantic
Mon, Oct 6 - Tue, Oct 21
BUF
Buffalo
CWL
Cardiff
$897 Roundtrip, found 23 hours ago
$897
Roundtrip
found 23 hours ago
Select Virgin Atlantic flight, departing Mon, Oct 6 from Buffalo to Cardiff, returning Tue, Oct 21, priced at $897 found 23 hours ago
Delta
Wed, Oct 1 - Mon, Oct 20
BUF
Buffalo
CWL
Cardiff
$897 Roundtrip, found 23 hours ago
$897
Roundtrip
found 23 hours ago
Select Delta flight, departing Wed, Oct 1 from Buffalo to Cardiff, returning Mon, Oct 20, priced at $897 found 23 hours ago
Virgin Atlantic
Sun, Nov 2 - Fri, Nov 14
BUF
Buffalo
CWL
Cardiff
$903 Roundtrip, found 23 hours ago
$903
Roundtrip
found 23 hours ago
Select Virgin Atlantic flight, departing Sun, Nov 2 from Buffalo to Cardiff, returning Fri, Nov 14, priced at $903 found 23 hours ago
Delta
Mon, Oct 6 - Mon, Oct 27
BUF
Buffalo
CWL
Cardiff
$923 Roundtrip, found 23 hours ago
$923
Roundtrip
found 23 hours ago
Select Delta flight, departing Mon, Oct 6 from Buffalo to Cardiff, returning Mon, Oct 27, priced at $923 found 23 hours ago
Air France
Sat, Oct 11 - Thu, Oct 23
BUF
Buffalo
CWL
Cardiff
$928 Roundtrip, found 23 hours ago
$928
Roundtrip
found 23 hours ago
Select Air France flight, departing Sat, Oct 11 from Buffalo to Cardiff, returning Thu, Oct 23, priced at $928 found 23 hours ago
Delta
Sat, Jan 17 - Fri, Mar 20
BUF
Buffalo
CWL
Cardiff
$930 Roundtrip, found 5 days ago
$930
Roundtrip
found 5 days ago
Select Delta flight, departing Sat, Jan 17 from Buffalo to Cardiff, returning Fri, Mar 20, priced at $930 found 5 days ago
Delta
Sat, Jan 17 - Fri, Mar 20
BUF
Buffalo
CWL
Cardiff
$936 Roundtrip, found 5 days ago
$936
Roundtrip
found 5 days ago
Select Delta flight, departing Sat, Jan 17 from Buffalo to Cardiff, returning Fri, Mar 20, priced at $936 found 5 days ago
Virgin Atlantic
Thu, Oct 9 - Tue, Oct 21
BUF
Buffalo
CWL
Cardiff
$947 Roundtrip, found 23 hours ago
$947
Roundtrip
found 23 hours ago
Select Virgin Atlantic flight, departing Thu, Oct 9 from Buffalo to Cardiff, returning Tue, Oct 21, priced at $947 found 23 hours ago
Virgin Atlantic
Fri, Oct 10 - Fri, Oct 24
BUF
Buffalo
CWL
Cardiff
$953 Roundtrip, found 23 hours ago
$953
Roundtrip
found 23 hours ago
Select Virgin Atlantic flight, departing Fri, Oct 10 from Buffalo to Cardiff, returning Fri, Oct 24, priced at $953 found 23 hours ago
Flights from Buffalo (BUF) to Cardiff (CWL)
Origin airport
Buffalo Niagara Intl.
Destination airport
Cardiff Intl.
Airlines serving
Air France, Delta, KLM, Virgin Atlantic
Roundtrip price
$896
Distance
3429 mi

Buffalo to Cardiff Flights

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

 

The best time to book a flight from Buffalo to Cardiff

Sunday is one of the best days to book for cheap flights from Buffalo 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 Buffalo 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 Buffalo to Cardiff in 2025. You can also book with separate airlines for your outbound and return journeys, from $538 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 Buffalo 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 Buffalo 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 Buffalo Niagara Intl. Airport (BUF) to Cardiff Intl. Airport (CWL) cost?
Discover the latest flight deals from BUF 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 BUF to CWL?
The cheapest flights from BUF 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 BUF to CWL?
Use the filter tool on Expedia to compare airlines and find the cheapest carrier that’ll take you from BUF to CWL. Sort your results by “Price (lowest to highest)” to snap up a great deal.
How many flights per day from Buffalo Niagara Intl. Airport (BUF) to Cardiff Intl. Airport (CWL)?
There are no daily nonstop flights from Buffalo Niagara Intl. Airport (BUF) to Cardiff Intl. Airport (CWL). But you can opt for flights with layovers. Filter your search results on Expedia to include one or two stops, and you’ll be on your way in no time.
What day of the week has the most flights from BUF to CWL?
You’ll typically find Tuesday the quietest day for flights, while Fridays are often the busiest.* However this can vary from season to season and during peak travel times or public holidays.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What is the best time to fly from Buffalo Niagara Intl. Airport (BUF) to Cardiff Intl. Airport (CWL)?
Book a flight from Buffalo Niagara Intl. Airport (BUF) to Cardiff Intl. Airport (CWL) that leaves before 3 PM to reduce the risk of 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 Buffalo Niagara Intl. Airport (BUF) to Cardiff Intl. Airport (CWL) last-minute?
Booking your plane ticket from BUF to CWL just before your trip is typically more expensive. But if there’s some wiggle room with your travel times and dates, you could bag a cheap last-minute fare.
Is it cheaper to book a BUF to CWL flight and hotel package?
Compared with arranging hotels and flights separately, booking a BUF to CWL flight and hotel package with Expedia could result in significant savings. Better still, having everything in one convenient place will take the stress out of planning your trip. Simply pick your flights and choose from our wide range of hotels, then tailor your trip with extras like car rentals and activities.
Can I cancel or change the date of my flight from Buffalo Niagara Intl. Airport (BUF) to Cardiff Intl. Airport (CWL)?
It’s usually possible to cancel or reschedule your BUF to CWL 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 further details on our Customer Service portal.

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*Available to One Key members.