$374 Cheap Flights from Buffalo (BUF) to London (YXU)

View $374 flight on Sat, Apr 18, 2026Opens in a new window

Popular airlines from Buffalo Niagara Intl. Airport (BUF) to London, ON (YXU-London Intl.)

Cheap Flights from Buffalo to London (BUF-YXU)

Prices were available within the past 7 days and start at $374 for one-way flights and $758 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Air Canada
Sat, Apr 18 - Sun, Apr 26
BUF
Buffalo
YXU
London
$758 Roundtrip, found 18 hours ago
$758
Roundtrip
found 18 hours ago
Select Air Canada flight, departing Sat, Apr 18 from Buffalo to London, returning Sun, Apr 26, priced at $758 found 18 hours ago
Air Canada
Sat, Apr 18 - Sun, Apr 26
BUF
Buffalo
YXU
London
$782 Roundtrip, found 18 hours ago
$782
Roundtrip
found 18 hours ago
Select Air Canada flight, departing Sat, Apr 18 from Buffalo to London, returning Sun, Apr 26, priced at $782 found 18 hours ago
Air Canada
Sat, Apr 18 - Sun, Apr 26
BUF
Buffalo
YXU
London
$804 Roundtrip, found 18 hours ago
$804
Roundtrip
found 18 hours ago
Select Air Canada flight, departing Sat, Apr 18 from Buffalo to London, returning Sun, Apr 26, priced at $804 found 18 hours ago
Air Canada
Sat, Apr 18 - Sun, Apr 26
BUF
Buffalo
YXU
London
$828 Roundtrip, found 18 hours ago
$828
Roundtrip
found 18 hours ago
Select Air Canada flight, departing Sat, Apr 18 from Buffalo to London, returning Sun, Apr 26, priced at $828 found 18 hours ago
Air Canada
Sat, Apr 18 - Sun, Apr 26
BUF
Buffalo
YXU
London
$838 Roundtrip, found 18 hours ago
$838
Roundtrip
found 18 hours ago
Select Air Canada flight, departing Sat, Apr 18 from Buffalo to London, returning Sun, Apr 26, priced at $838 found 18 hours ago
Air Canada
Sat, Apr 18 - Sun, Apr 26
BUF
Buffalo
YXU
London
$844 Roundtrip, found 18 hours ago
$844
Roundtrip
found 18 hours ago
Select Air Canada flight, departing Sat, Apr 18 from Buffalo to London, returning Sun, Apr 26, priced at $844 found 18 hours ago
Air Canada
Sat, Apr 18 - Sun, Apr 26
BUF
Buffalo
YXU
London
$863 Roundtrip, found 18 hours ago
$863
Roundtrip
found 18 hours ago
Select Air Canada flight, departing Sat, Apr 18 from Buffalo to London, returning Sun, Apr 26, priced at $863 found 18 hours ago
Air Canada
Sat, Apr 18 - Sun, Apr 26
BUF
Buffalo
YXU
London
$890 Roundtrip, found 18 hours ago
$890
Roundtrip
found 18 hours ago
Select Air Canada flight, departing Sat, Apr 18 from Buffalo to London, returning Sun, Apr 26, priced at $890 found 18 hours ago
Air Canada
Sat, Apr 18 - Sun, Apr 26
BUF
Buffalo
YXU
London
$924 Roundtrip, found 18 hours ago
$924
Roundtrip
found 18 hours ago
Select Air Canada flight, departing Sat, Apr 18 from Buffalo to London, returning Sun, Apr 26, priced at $924 found 18 hours ago
United
Sat, Apr 18 - Sun, Apr 26
BUF
Buffalo
YXU
London
$928 Roundtrip, found 18 hours ago
$928
Roundtrip
found 18 hours ago
Select United flight, departing Sat, Apr 18 from Buffalo to London, returning Sun, Apr 26, priced at $928 found 18 hours ago

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Frequently asked questions

How much does a flight from Buffalo Niagara Intl. Airport (BUF) to London Intl. Airport (YXU) cost?
Get a cheap one-way flight from $374 or cheap return flight from $758 from Buffalo Niagara Intl. Airport (BUF) to London Intl. Airport (YXU) 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 Buffalo Niagara Intl. Airport (BUF) to London Intl. Airport (YXU)?
April is the cheapest month to fly from BUF to YXU. Avoiding peak travel times is often the key to finding a great deal.
What is the cheapest airline that flies from Buffalo Niagara Intl. Airport (BUF) to London Intl. Airport (YXU)?
To find the cheapest airline flying from BUF to YXU, use Expedia's filter tool. Customize your search based on your travel style, such as preferred carriers and seat class. You can then sort your results by "Price (lowest to highest)" to see the cheapest flights first.
How many flights per day from Buffalo Niagara Intl. Airport (BUF) to London Intl. Airport (YXU)?
You'll need to catch a flight with a layover when traveling from Buffalo Niagara Intl. Airport (BUF) to London Intl. Airport (YXU). There are no daily direct flights on this route. However, simply filter your search to include one or more stops to discover an option that works for you.
What day of the week has the most flights from BUF to YXU?
Generally you'll find the largest variety of flight choices on a Friday. Tuesdays are often the quietest.* But this can change depending 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 Buffalo Niagara Intl. Airport (BUF) to London Intl. Airport (YXU)?
Select a flight from Buffalo Niagara Intl. Airport (BUF) to London Intl. Airport (YXU) that takes off before 3 PM to reduce the risk of cancellations and delays. Later departures have a 22% higher chance of being canceled, on average.**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 London Intl. Airport (YXU) last-minute?
Booking your ticket from BUF to YXU shortly before your trip is generally more expensive. But if there's some wiggle room with your departure times and dates, you could score a cheap last-minute fare.
Is it cheaper to book a BUF to YXU flight and hotel package?
Securing a BUF to YXU flight and hotel package is typically cheaper than booking separately. With Expedia, you can enjoy the ease of organizing your trip in one place. Select from our impressive range of stays and then add activities, flights 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 Buffalo Niagara Intl. Airport (BUF) to London Intl. Airport (YXU)?
If you reserved your BUF to YXU flight within the last 24 hours, you may be able to modify or cancel it without fees. Depending on the airline and the type of fare you purchased, additional charges may apply for changes beyond that time. Airline policies and contact information can be found in your itinerary or confirmation email. Or, go to our Customer Service portal for further details.

Travel information

Origin airport
Buffalo Niagara Intl.
Destination airport
London Intl.
Airlines serving
Air Canada, United
Roundtrip price
$757
Distance
122 mi

Book with confidence

Buffalo to London Flights

The cheapest times to fly from Buffalo to London

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

 

The best time to book a flight from Buffalo to London

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

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 London in 2026. You can also book with separate airlines for your outbound and return journeys, from $374 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 London 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 London 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 London Flights

*Flight schedules are subject to change.

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*Available to One Key members.