$530 Cheap Flights from Buffalo (BUF) to Cardiff (CWL)

View $530 flight on Mon, Oct 20, 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 $530 for one-way flights and $820 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Delta
Thu, Nov 6 - Sun, Nov 16
BUF
Buffalo
CWL
Cardiff
$820 Roundtrip, found 6 days ago
$820
Roundtrip
found 6 days ago
Select Delta flight, departing Thu, Nov 6 from Buffalo to Cardiff, returning Sun, Nov 16, priced at $820 found 6 days ago
Virgin Atlantic
Mon, Nov 24 - Fri, Dec 12
BUF
Buffalo
CWL
Cardiff
$820 Roundtrip, found 6 days ago
$820
Roundtrip
found 6 days ago
Select Virgin Atlantic flight, departing Mon, Nov 24 from Buffalo to Cardiff, returning Fri, Dec 12, priced at $820 found 6 days ago
Virgin Atlantic
Thu, Nov 13 - Wed, Nov 19
BUF
Buffalo
CWL
Cardiff
$826 Roundtrip, found 6 days ago
$826
Roundtrip
found 6 days ago
Select Virgin Atlantic flight, departing Thu, Nov 13 from Buffalo to Cardiff, returning Wed, Nov 19, priced at $826 found 6 days ago
Virgin Atlantic
Thu, Nov 13 - Wed, Nov 19
BUF
Buffalo
CWL
Cardiff
$832 Roundtrip, found 6 days ago
$832
Roundtrip
found 6 days ago
Select Virgin Atlantic flight, departing Thu, Nov 13 from Buffalo to Cardiff, returning Wed, Nov 19, priced at $832 found 6 days ago
KLM
Tue, Nov 4 - Sun, Nov 16
BUF
Buffalo
CWL
Cardiff
$846 Roundtrip, found 6 days ago
$846
Roundtrip
found 6 days ago
Select KLM flight, departing Tue, Nov 4 from Buffalo to Cardiff, returning Sun, Nov 16, priced at $846 found 6 days ago
Virgin Atlantic
Tue, Nov 25 - Tue, Dec 2
BUF
Buffalo
CWL
Cardiff
$850 Roundtrip, found 1 day ago
$850
Roundtrip
found 1 day ago
Select Virgin Atlantic flight, departing Tue, Nov 25 from Buffalo to Cardiff, returning Tue, Dec 2, priced at $850 found 1 day ago
Virgin Atlantic
Thu, Nov 13 - Wed, Nov 19
BUF
Buffalo
CWL
Cardiff
$852 Roundtrip, found 6 days ago
$852
Roundtrip
found 6 days ago
Select Virgin Atlantic flight, departing Thu, Nov 13 from Buffalo to Cardiff, returning Wed, Nov 19, priced at $852 found 6 days ago
Delta
Thu, Nov 13 - Wed, Nov 19
BUF
Buffalo
CWL
Cardiff
$852 Roundtrip, found 6 days ago
$852
Roundtrip
found 6 days ago
Select Delta flight, departing Thu, Nov 13 from Buffalo to Cardiff, returning Wed, Nov 19, priced at $852 found 6 days ago
Virgin Atlantic
Tue, Nov 25 - Tue, Dec 2
BUF
Buffalo
CWL
Cardiff
$856 Roundtrip, found 1 day ago
$856
Roundtrip
found 1 day ago
Select Virgin Atlantic flight, departing Tue, Nov 25 from Buffalo to Cardiff, returning Tue, Dec 2, priced at $856 found 1 day ago
Air France
Thu, May 7 - Sun, May 17
BUF
Buffalo
CWL
Cardiff
$1,105 Roundtrip, found 1 day ago
$1,105
Roundtrip
found 1 day ago
Select Air France flight, departing Thu, May 7 from Buffalo to Cardiff, returning Sun, May 17, priced at $1,105 found 1 day ago

Alternative airports near Cardiff

Prices were available within the past 7 days. Prices and availability are subject to change.

Select flight to Cardiff Intl. CWL. Cheapest and Closest option available. Average driving time to city center is 20 minutes. Flights from $896
CWL
Cardiff Intl.
CheapestClosest
Average driving time to city center20 min
Flights from $896

Frequently asked questions

How much does a flight from Buffalo Niagara Intl. Airport (BUF) to Cardiff Intl. Airport (CWL) cost?
Snag a cheap one-way flight from $530 or cheap return flight from $820 from Buffalo Niagara Intl. Airport (BUF) to Cardiff Intl. Airport (CWL) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to see our cheapest flight deals on this route.
What is the cheapest month to fly from Buffalo Niagara Intl. Airport (BUF) to Cardiff Intl. Airport (CWL)?
The cheapest month to fly from BUF to CWL is November, when demand is low. Off-peak season is usually when airlines offer better prices between these airports.
What is the cheapest airline that flies from Buffalo Niagara Intl. Airport (BUF) to Cardiff Intl. Airport (CWL)?
Use the filters on Expedia to compare different airlines and find the cheapest carrier that'll take you from BUF to CWL. Then, sort your results by "Price (lowest to highest)" to score the best deal available.
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.

Travel information

Origin airport
Buffalo Niagara Intl.
Destination airport
Cardiff Intl.
Airlines serving
Virgin Atlantic
Roundtrip price
$820
Distance
3429 mi

Book with confidence

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 November. 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 $530 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.

 

Buffalo to Cardiff Flights

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*Available to One Key members.