Cheap Flights from Buffalo (BUF) to London (SEN)

Popular airlines from Buffalo Niagara Intl. Airport (BUF) to London (SEN-Southend)

Alternative airports near London

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

Select flight to London City LCY. Cheapest and Closest option available. Average driving time to city center is 21 minutes. Flights from $1,447
LCY
London City
CheapestClosest
Average driving time to city center21 min
Flights from $1,447

Frequently asked questions

How much does a flight from Buffalo Niagara Intl. Airport (BUF) to Southend Airport (SEN) cost?
Snag a cheap one-way flight or cheap return flight from Buffalo Niagara Intl. Airport (BUF) to Southend Airport (SEN) 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 Southend Airport (SEN)?
Traveling in is a great way to save, as it's the cheapest month for flights between BUF and SEN. You'll often find the lowest fares during off-peak months.
What is the cheapest airline that flies from Buffalo Niagara Intl. Airport (BUF) to Southend Airport (SEN)?
Expedia's filter tool lets you easily compare different airlines, travel time and fares all in one place. Tailor the search to your trip, then sort by "Price (lowest to highest)" to find the carrier with the cheapest BUF to SEN flight.
How many flights per day from Buffalo Niagara Intl. Airport (BUF) to Southend Airport (SEN)?
Nonstop flights from Buffalo Niagara Intl. Airport (BUF) to Southend Airport (SEN) aren't available daily, so you'll need to take a flight with a layover. Explore your options with our filter tool. Enter your travel dates and choose either "1 Stop" or "2+ Stops."
What day of the week has the most flights from BUF to SEN?
Generally you'll find the most flight options available on a Friday. Tuesdays are often the quietest.* However, this can vary based on the airline, time of year 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 Southend Airport (SEN)?
Choose a flight from Buffalo Niagara Intl. Airport (BUF) to Southend Airport (SEN) that leaves before 3 PM to reduce the likelihood 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 Buffalo Niagara Intl. Airport (BUF) to Southend Airport (SEN) last-minute?
Waiting until just before your departure to book your flight from BUF to SEN generally means paying more. While you might find some last-minute offers, they're not always guaranteed. Be flexible with your travel plans to maximize your chances of getting a bargain.
Is it cheaper to book a BUF to SEN flight and hotel package?
Securing a BUF to SEN flight and hotel package is generally cheaper than booking separately. With Expedia, you can enjoy the ease of organizing your travels in one place. Select from our impressive range of accommodations and then add car rentals, activities and flights to your booking. Bundle it all 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 Southend Airport (SEN)?
If you booked your BUF to SEN 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 ticket 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, head to our Customer Service portal if you'd like more information.

Travel information

Origin airport
Buffalo Niagara Intl.
Destination airport
Southend
Distance
3585 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 . 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 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.