$357 Cheap Flights from Kitchener (YKF) to Buffalo (BUF)

View $357 flight on Wed, Dec 3, 2025Opens in a new window

Popular airlines from Kitchener, ON (YKF-Region of Waterloo Intl.) to Buffalo Niagara Intl. Airport (BUF)

Cheap Flights from Kitchener to Buffalo (YKF-BUF)

Prices were available within the past 7 days and start at $357 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 Region of Waterloo Intl. Airport (YKF) to Buffalo Niagara Intl. Airport (BUF) cost?
Secure a cheap one-way flight from $357 or cheap return flight from Region of Waterloo Intl. Airport (YKF) 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 Region of Waterloo Intl. Airport (YKF) to Buffalo Niagara Intl. Airport (BUF)?
The cheapest month to fly from YKF to BUF is , when there's less demand. Off-peak season is typically when you'll find cheap fares for travel between these airports.
What is the cheapest airline that flies from Region of Waterloo Intl. Airport (YKF) to Buffalo Niagara Intl. Airport (BUF)?
Use the filters on Expedia to compare different airlines and find the cheapest carrier that'll fly you from YKF to BUF. Then, sort your results by "Price (lowest to highest)" to snap up the best deal available.
How many flights per day from Region of Waterloo Intl. Airport (YKF) to Buffalo Niagara Intl. Airport (BUF)?
There are no daily nonstop flights available from Region of Waterloo Intl. Airport (YKF) to Buffalo Niagara Intl. Airport (BUF). But you can opt for flights with layovers. Filter your search results on Expedia to include one or more stops, and you'll be cruising above the clouds in no time at all.
What day of the week has the most flights from YKF to BUF?
Generally you'll find the widest variety of flight choices on a Friday. Tuesdays are often the quietest.* However, this can vary 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 Region of Waterloo Intl. Airport (YKF) to Buffalo Niagara Intl. Airport (BUF)?
Select a flight from Region of Waterloo Intl. Airport (YKF) to Buffalo Niagara Intl. Airport (BUF) that takes off before 3 PM to reduce the risk 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 Region of Waterloo Intl. Airport (YKF) to Buffalo Niagara Intl. Airport (BUF) last-minute?
Booking your plane ticket from YKF to BUF just before your getaway is generally more expensive. However, 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 YKF to BUF flight and hotel package?
You'll generally save money by securing a YKF 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 everything in one place. Once you've chosen your ideal accommodations and flights, consider adding extras such as car rentals, activities and tours.
Can I cancel or change the date of my flight from Region of Waterloo Intl. Airport (YKF) to Buffalo Niagara Intl. Airport (BUF)?
If you reserved your YKF to BUF flight in the last 24 hours, you may be able to cancel or modify it without any fees. Depending on the airline and the type of fare you purchased, additional charges may apply for changes beyond this timeframe. Airline policies and contact information can be found in your itinerary or confirmation email. Or, go to our Customer Service portal if you'd like more information.

Travel information

Origin airport
Region of Waterloo Intl.
Destination airport
Buffalo Niagara Intl.
Distance
90 mi

Book with confidence

Kitchener to Buffalo Flights

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

 

The best time to book a flight from Kitchener to Buffalo

Sunday is one of the best days to book for cheap flights from Kitchener 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 Kitchener 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 Kitchener to Buffalo in 2025. You can also book with separate airlines for your outbound and return journeys, from $357 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 Kitchener 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 Kitchener 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.

 

Kitchener to Buffalo Flights

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*Available to One Key members.