$358 Cheap Flights from London (YXU) to Buffalo (BUF)

View $358 flight on Fri, Mar 20, 2026Opens in a new window

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

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Cheap Flights from London to Buffalo (YXU-BUF)

Prices were available within the past 7 days and start at $358 for one-way flights and $674 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

United
Fri, Mar 20 - Sun, Mar 22
YXU
London
BUF
Buffalo
$674 Roundtrip, found 4 days ago
$674
Roundtrip
found 4 days ago
Select United flight, departing Fri, Mar 20 from London to Buffalo, returning Sun, Mar 22, priced at $674 found 4 days ago
Air Canada
Fri, Mar 20 - Sun, Mar 22
YXU
London
BUF
Buffalo
$695 Roundtrip, found 4 days ago
$695
Roundtrip
found 4 days ago
Select Air Canada flight, departing Fri, Mar 20 from London to Buffalo, returning Sun, Mar 22, priced at $695 found 4 days ago
United
Fri, Mar 20 - Sun, Mar 22
YXU
London
BUF
Buffalo
$699 Roundtrip, found 4 days ago
$699
Roundtrip
found 4 days ago
Select United flight, departing Fri, Mar 20 from London to Buffalo, returning Sun, Mar 22, priced at $699 found 4 days ago
Air Canada
Fri, Mar 20 - Sun, Mar 22
YXU
London
BUF
Buffalo
$720 Roundtrip, found 4 days ago
$720
Roundtrip
found 4 days ago
Select Air Canada flight, departing Fri, Mar 20 from London to Buffalo, returning Sun, Mar 22, priced at $720 found 4 days ago
United
Fri, Mar 20 - Sun, Mar 22
YXU
London
BUF
Buffalo
$724 Roundtrip, found 4 days ago
$724
Roundtrip
found 4 days ago
Select United flight, departing Fri, Mar 20 from London to Buffalo, returning Sun, Mar 22, priced at $724 found 4 days ago
Air Canada
Fri, Mar 20 - Sun, Mar 22
YXU
London
BUF
Buffalo
$727 Roundtrip, found 4 days ago
$727
Roundtrip
found 4 days ago
Select Air Canada flight, departing Fri, Mar 20 from London to Buffalo, returning Sun, Mar 22, priced at $727 found 4 days ago
United
Fri, Mar 20 - Sun, Mar 22
YXU
London
BUF
Buffalo
$732 Roundtrip, found 4 days ago
$732
Roundtrip
found 4 days ago
Select United flight, departing Fri, Mar 20 from London to Buffalo, returning Sun, Mar 22, priced at $732 found 4 days ago
United
Fri, Mar 20 - Sun, Mar 22
YXU
London
BUF
Buffalo
$744 Roundtrip, found 4 days ago
$744
Roundtrip
found 4 days ago
Select United flight, departing Fri, Mar 20 from London to Buffalo, returning Sun, Mar 22, priced at $744 found 4 days ago
Air Canada
Fri, Mar 20 - Sun, Mar 22
YXU
London
BUF
Buffalo
$751 Roundtrip, found 4 days ago
$751
Roundtrip
found 4 days ago
Select Air Canada flight, departing Fri, Mar 20 from London to Buffalo, returning Sun, Mar 22, priced at $751 found 4 days ago
Air Canada
Fri, Mar 20 - Sun, Mar 22
YXU
London
BUF
Buffalo
$752 Roundtrip, found 4 days ago
$752
Roundtrip
found 4 days ago
Select Air Canada flight, departing Fri, Mar 20 from London to Buffalo, returning Sun, Mar 22, priced at $752 found 4 days ago

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Frequently asked questions

How much does a flight from London Intl. Airport (YXU) to Buffalo Niagara Intl. Airport (BUF) cost?
Lock in a cheap one-way flight from $358 or cheap return flight from $674 from London Intl. Airport (YXU) 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 London Intl. Airport (YXU) to Buffalo Niagara Intl. Airport (BUF)?
The cheapest month to fly from YXU to BUF is March, when demand is low. Off-peak months are usually when you'll find lower airfares between these airports.
What is the cheapest airline that flies from London Intl. Airport (YXU) to Buffalo Niagara Intl. Airport (BUF)?
Expedia's filter tool lets you easily compare different airlines, departure times and fares all in one place. Select your preferences, then sort by "Price (lowest to highest)" to find out which carrier offers the cheapest YXU to BUF flight.
How many flights per day from London Intl. Airport (YXU) to Buffalo Niagara Intl. Airport (BUF)?
Direct flights from London Intl. Airport (YXU) to Buffalo Niagara Intl. Airport (BUF) aren't available daily, so you'll have to take a flight with a layover. Explore your options with Expedia's filter tool. Enter your travel dates and click on either "1 Stop" or "2+ Stops."
What day of the week has the most flights from YXU to BUF?
Typically you'll have the most choice when it comes to flights on a Friday. Tuesdays tend to be the quietest.* But this can vary based on the season, airline 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 London Intl. Airport (YXU) to Buffalo Niagara Intl. Airport (BUF)?
Choose a flight from London Intl. Airport (YXU) to Buffalo Niagara Intl. Airport (BUF) that takes off before 3 PM to reduce the risk of delays and cancellations. Departures later than this 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 London Intl. Airport (YXU) to Buffalo Niagara Intl. Airport (BUF) last-minute?
Booking your flight from YXU to BUF right before your getaway is usually more expensive. However, if you're flexible with your itinerary, you could snag a cheap last-minute fare.
Is it cheaper to book a YXU to BUF flight and hotel package?
You can save money by booking a YXU 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 easy to manage everything in one place. Once you've selected your ideal accommodations and flights, consider other add-ons like car rentals, activities and tours.
Can I cancel or change the date of my flight from London Intl. Airport (YXU) to Buffalo Niagara Intl. Airport (BUF)?
Generally, it's possible to cancel or reschedule your YXU to BUF flight. However, if the booking was made more than 24 hours ago, additional charges 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 more details on our Customer Service portal.

Travel information

Origin airport
London Intl.
Destination airport
Buffalo Niagara Intl.
Roundtrip price
$674
Distance
122 mi

Book with confidence

London to Buffalo Flights

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

 

The best time to book a flight from London to Buffalo

Sunday is one of the best days to book for cheap flights from London 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 London 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 London to Buffalo in 2026. You can also book with separate airlines for your outbound and return journeys, from $358 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 London 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 London 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.

 

London to Buffalo Flights

*Flight schedules are subject to change.

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*Available to One Key members.