$782 Cheap Flights from Cardiff (CWL) to Buffalo (BUF)

View $782 flight on Sun, May 17, 2026Opens in a new window

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

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Cheap Flights from Cardiff to Buffalo (CWL-BUF)

Prices were available within the past 7 days and start at $782 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 Buffalo Niagara Intl. Airport (BUF) cost?
Snag a cheap one-way flight from $782 or cheap return flight from Cardiff Intl. Airport (CWL) to Buffalo Niagara Intl. Airport (BUF) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to see our cheapest flight offers on this route.
What is the cheapest month to fly from Cardiff Intl. Airport (CWL) to Buffalo Niagara Intl. Airport (BUF)?
is the most affordable month to fly from CWL to BUF. Traveling during quieter months is often the key to scoring lower fares.
What is the cheapest airline that flies from Cardiff Intl. Airport (CWL) to Buffalo Niagara Intl. Airport (BUF)?
Use the filter tool on Expedia to compare airlines and find the most affordable carrier that'll take you from CWL to BUF. Then, sort your results by "Price (lowest to highest)" to pick up a good deal.
How many flights per day from Cardiff Intl. Airport (CWL) to Buffalo Niagara Intl. Airport (BUF)?
Nonstop flights from Cardiff Intl. Airport (CWL) to Buffalo Niagara Intl. Airport (BUF) aren't available daily, so you'll need to take a flight with a layover. Explore your options with Expedia's filter tool. Enter your dates and choose either "1 Stop" or "2+ Stops."
What day of the week has the most flights from CWL to BUF?
Friday is typically the busiest day for flights, while Tuesday is often the quietest.* Just remember that flight schedules can change based on a range of factors, including the airline and season.*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 Buffalo Niagara Intl. Airport (BUF)?
To touch down at Buffalo Niagara Intl. Airport (BUF) on time, choose a flight that leaves Cardiff Intl. Airport (CWL) before 3 PM. The chance of cancellations is 22% higher, on average, for departures after this time.**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 Buffalo Niagara Intl. Airport (BUF) last-minute?
Waiting until right before your break to book your flight from CWL to BUF often results in higher prices. While you may find some last-minute offers, they're not always guaranteed. Be flexible with your travel plans to boost your chances of landing a bargain.
Is it cheaper to book a CWL to BUF flight and hotel package?
You can save money by securing a CWL to BUF flight and hotel package compared to booking separately. In fact, travelers could save hundreds of dollars by bundling with Expedia. And it's simple to manage it all in one place. After selecting your preferred flights and accommodations, consider adding extras like activities, car rentals and tours.
Can I cancel or change the date of my flight from Cardiff Intl. Airport (CWL) to Buffalo Niagara Intl. Airport (BUF)?
Usually, it's possible to cancel or reschedule your CWL to BUF flight. However, for bookings made more than 24 hours ago, additional fees may apply. Refer to 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
Cardiff Intl.
Destination airport
Buffalo Niagara Intl.
Distance
3429 mi

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Cardiff to Buffalo Flights

The cheapest times to fly from Cardiff to Buffalo

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

 

The best time to book a flight from Cardiff to Buffalo

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

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 Buffalo in 2025. You can also book with separate airlines for your outbound and return journeys, from $782 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 Buffalo 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 Buffalo 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 Buffalo Flights

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*Available to One Key members.