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CA $457 Cheap Flights from Buffalo (BUF) to London (LHR)

View CA $457 flight on Fri, Jan 1, 2027Opens in a new window

Popular airlines from Buffalo Niagara Intl. Airport (BUF) to Heathrow Airport (LHR)

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Cheap flights from Buffalo (BUF) to London (LHR)

Prices were available within the past 7 days and start at CA $457 for one-way flights and CA $1,109 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

JetBlue Airways
Tue, Aug 18 - Tue, Sep 1
BUF
Buffalo
LHR
London
CA $1,109 Roundtrip, found 18 hours ago
CA $1,109
Roundtrip
found 18 hours ago
Select JetBlue Airways flight, departing Tue, Aug 18 from Buffalo to London, returning Tue, Sep 1, priced at CA $1,109 found 18 hours ago
Virgin Atlantic
Mon, Aug 17 - Tue, Sep 1
BUF
Buffalo
LHR
London
CA $1,112 Roundtrip, found 2 days ago
CA $1,112
Roundtrip
found 2 days ago
Select Virgin Atlantic flight, departing Mon, Aug 17 from Buffalo to London, returning Tue, Sep 1, priced at CA $1,112 found 2 days ago
Iberia
Tue, Aug 18 - Tue, Sep 1
BUF
Buffalo
LHR
London
CA $1,204 Roundtrip, found 18 hours ago
CA $1,204
Roundtrip
found 18 hours ago
Select Iberia flight, departing Tue, Aug 18 from Buffalo to London, returning Tue, Sep 1, priced at CA $1,204 found 18 hours ago
Air France
Tue, Oct 6 - Sun, Oct 11
BUF
Buffalo
LHR
London
CA $1,247 Roundtrip, found 3 hours ago
CA $1,247
Roundtrip
found 3 hours ago
Select Air France flight, departing Tue, Oct 6 from Buffalo to London, returning Sun, Oct 11, priced at CA $1,247 found 3 hours ago
Delta
Tue, Oct 6 - Sun, Oct 11
BUF
Buffalo
LHR
London
CA $1,247 Roundtrip, found 3 hours ago
CA $1,247
Roundtrip
found 3 hours ago
Select Delta flight, departing Tue, Oct 6 from Buffalo to London, returning Sun, Oct 11, priced at CA $1,247 found 3 hours ago
KLM
Tue, Oct 6 - Sun, Oct 11
BUF
Buffalo
LHR
London
CA $1,247 Roundtrip, found 3 hours ago
CA $1,247
Roundtrip
found 3 hours ago
Select KLM flight, departing Tue, Oct 6 from Buffalo to London, returning Sun, Oct 11, priced at CA $1,247 found 3 hours ago
American Airlines
Tue, Oct 6 - Sun, Oct 11
BUF
Buffalo
LHR
London
CA $1,247 Roundtrip, found 3 hours ago
CA $1,247
Roundtrip
found 3 hours ago
Select American Airlines flight, departing Tue, Oct 6 from Buffalo to London, returning Sun, Oct 11, priced at CA $1,247 found 3 hours ago
United
Tue, Sep 29 - Thu, Oct 8
BUF
Buffalo
LHR
London
CA $1,251 Roundtrip, found 1 day ago
CA $1,251
Roundtrip
found 1 day ago
Select United flight, departing Tue, Sep 29 from Buffalo to London, returning Thu, Oct 8, priced at CA $1,251 found 1 day ago
British Airways
Tue, Aug 18 - Tue, Sep 1
BUF
Buffalo
LHR
London
CA $1,251 Roundtrip, found 18 hours ago
CA $1,251
Roundtrip
found 18 hours ago
Select British Airways flight, departing Tue, Aug 18 from Buffalo to London, returning Tue, Sep 1, priced at CA $1,251 found 18 hours ago
Air Canada
Wed, Mar 10 - Wed, Mar 24
BUF
Buffalo
LHR
London
CA $1,291 Roundtrip, found 19 hours ago
CA $1,291
Roundtrip
found 19 hours ago
Select Air Canada flight, departing Wed, Mar 10 from Buffalo to London, returning Wed, Mar 24, priced at CA $1,291 found 19 hours ago

Alternative airports near London

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

Select flight to Gatwick LGW. Average driving time to city centre is 52 minutes. Flights from CA $1,599
LGW
Gatwick
Average driving time to city centre52 min
Flights from CA $1,599
Select flight to London City LCY. Closest option available. Average driving time to city centre is 21 minutes. Flights from CA $1,459
LCY
London City
Closest
Average driving time to city centre21 min
Flights from CA $1,459

Find the cheapest month to fly from Buffalo (BUF) to London (LHR)

March is typically the cheapest month to fly

From CA $838 - CA $1,264 per traveller.

Frequently asked questions

How much does a flight from Buffalo, NY (BUF-Buffalo Niagara Intl.) to London (LHR-Heathrow) cost?
You can find cheap one-way flights from CA $457 and cheap return flights from CA $1,109 BUF to LHR with Expedia. One-way flights typically cost between CA$399 and CA$2212, and return flights often range between CA$1513 and CA$6263. Flight prices vary based on the month and day of the week you want to travel, as well as the airline and how far in advance you book your ticket. Filter your search on Expedia by "Price (lowest to highest)" to see the cheapest fares first, and use the Price Tracking tool to receive alerts when BUF to LHR ticket fares go up or down.
What is the cheapest month to fly from Buffalo, NY (BUF) to London (LHR)?
The cheapest months to fly from Buffalo, NY (BUF) to London (LHR) are typically during off-peak season when demand is low. Traveling in off-peak or shoulder months is usually a good way to secure cheap tickets, just remember to avoid flying during holidays if you are able to. Use the calendar view in your search to see which months have low fares on this route.
Which airlines fly direct from Buffalo, NY (BUF-Buffalo Niagara Intl.) to London (LHR-Heathrow)?
Enter BUF to LHR and your travel dates, then apply the 'Nonstop' filter to see only direct flights.
How do I find cheap flights from Buffalo, NY (BUF-Buffalo Niagara Intl.) to London (LHR-Heathrow)?
To find a cheap flight from Buffalo, NY (BUF-Buffalo Niagara Intl.) to London (LHR-Heathrow), be flexible with your dates. Traveling outside of peak vacation months and booking a mid-week flight can help you save. Early morning and late night flights are often more affordable, too. Expedia allows you to compare flight times, airlines and routes all in one place to find low fares. You can also set up Price Tracking and receive alerts when fares go up or down.
What is the best time to fly from Buffalo, NY (BUF) to London (LHR)?
The best time to fly is usually mid-week (Tuesday or Wednesday) and during early morning hours as flights tend to be cheaper, less crowded, and generally more on-time. Avoid major holidays and peak vacation seasons for smoother travel. Combining off-peak days and hours often gives the best combination of cost, comfort, and convenience.
How many flights per day from Buffalo, NY (BUF-Buffalo Niagara Intl.) to London (LHR-Heathrow)?
There are approximately 55 connecting flights per day from Buffalo, NY (BUF-Buffalo Niagara Intl.) to London (LHR-Heathrow). Some common connection points include John F. Kennedy Intl. (JFK), Logan Intl. (BOS), and O'Hare Intl. (ORD).
What is the earliest flight from Buffalo, NY (BUF-Buffalo Niagara Intl.) to London (LHR-Heathrow)?
The earliest flight from Buffalo Niagara Intl. (BUF) to London Heathrow (LHR) typically departs around 5:35 AM. This flight is operated by JetBlue Airways and American Airlines. This is a seasonal service, active in July and August. An early departure like this can help you make the most of your time at your destination. To compare early flights on Expedia, select the "Early Morning" and "Morning" filters in your search.
What day of the week has the most flights from Buffalo, NY (BUF-Buffalo Niagara Intl.) to London (LHR-Heathrow)?
You'll find the most flights from Buffalo Niagara Intl. (BUF) to London Heathrow (LHR) on Fridays, with around 53 flights available. This gives you a good selection of options for your travel plans. Major airlines on this route include Delta, United, and American Airlines. Looking at the week, Fridays have notably more flight options compared to other days, offering you more flexibility.
What are the most popular departure times for flights from Buffalo, NY (BUF-Buffalo Niagara Intl.) to London (LHR-Heathrow)?
The most popular departure times for flights from Buffalo Niagara Intl. (BUF) to London Heathrow (LHR) are in the afternoon, from 3pm to 6pm. Many major carriers, including Delta, American Airlines and United, offer flights during this window. Many travelers prefer this time because it allows for a productive morning before heading to the airport, and you'll arrive in London in the morning, ready to start your day.
How long does it take to fly from Buffalo, NY (BUF-Buffalo Niagara Intl.) to London (LHR-Heathrow)?
There are no nonstop flights from Buffalo, NY (BUF-Buffalo Niagara Intl.) to London (LHR-Heathrow). For flights with one stop, you can expect the journey to take around 11 hours. If your flight has two or more stops, the travel time typically increases to about 15 hours. These flights cover a distance of approximately 5,702 kilometers. Keep in mind that actual flight times can vary due to factors like layover duration, routing, and weather conditions.
Can you fly business or first class from Buffalo, NY (BUF-Buffalo Niagara Intl.) to London (LHR-Heathrow)?
Yes, you can fly business class or first class between Buffalo, NY (BUF-Buffalo Niagara Intl.) and London (LHR-Heathrow).Airlines that offer business class service on this route include:
  • Air France
  • JetBlue Airways
  • Delta
  • United
  • American Airlines
First class cabins are available on American Airlines.
How do I earn miles on a Buffalo, NY (BUF-Buffalo Niagara Intl.) to London (LHR-Heathrow) flight with Expedia?
It's easy to earn miles on a Buffalo, NY (BUF-Buffalo Niagara Intl.) to London (LHR-Heathrow) flight when you book with Expedia. Before you confirm your booking, simply select your frequent flyer program and enter your program number. As a member of One Key™, you can also earn OneKeyCash™* on top of your airline miles when you book with Expedia.*Excludes taxes and fees. OneKeyCash is not redeemable for cash and can only be used on Expedia and other participating brands.
What airports do you fly into for London (LHR) from Buffalo, NY (BUF)?
If you're planning to travel to London from Buffalo Niagara Intl. (BUF), you can fly directly into Heathrow (LHR). Some flights may connect through major hubs like LaGuardia (LGA), Detroit Metropolitan Wayne County (DTW), or O'Hare Intl. (ORD) before reaching London. Compare routes and airports on Expedia to find the best flight options for your travel plans.
Is it cheaper to buy a plane ticket from Buffalo, NY (BUF-Buffalo Niagara Intl.) to London (LHR-Heathrow) at the last minute?
Typically, booking a last minute flight from Buffalo, NY (BUF-Buffalo Niagara Intl.) to London (LHR-Heathrow) will be more expensive than booking in advance. As the departure date approaches, there are usually fewer seats available which can drive up the cost. However, if there's some wiggle room with your travel dates and times, you could bag a cheap last-minute fare.
Is it cheaper to book a Buffalo, NY (BUF-Buffalo Niagara Intl.) to London (LHR-Heathrow) flight and hotel package?
Securing a Buffalo, NY (BUF-Buffalo Niagara Intl.) to London (LHR-Heathrow) flight and hotel package is usually cheaper than booking separately. With Expedia, you can enjoy the ease of organizing your travels all in one place. Select from our extensive range of stays and then add flights, activities 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, NY (BUF-Buffalo Niagara Intl.) to London (LHR-Heathrow)?
If you booked your Buffalo, NY (BUF-Buffalo Niagara Intl.) to London (LHR-Heathrow) flight within the last 24 hours, you may be able to modify or cancel it without any fees. Depending on the airline and the type of ticket you have, 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
Heathrow
Airlines serving
Aer Lingus, Air Canada, Air France, American Airlines, Austrian Airlines, British Airways, Brussels Airlines, Delta, Iberia, JetBlue Airways, KLM, Lufthansa, Swiss International Air Lines, TAP Portugal, United, Virgin Atlantic
Roundtrip price
CA $1,108
Distance
5668 km

Book with confidence

Buffalo to London Flights

The easy way to book your flights from Buffalo to London 

With Expedia, it’s simple to find and book flights to London from Buffalo whether you’re traveling for business or pleasure. Enter your travel dates, hit search, and choose your flight from 20 airlines that cover this route. There are nonstop flights to Heathrow, too.  

Choose your preferred carrier and cabin class with the advanced search tool and select your ideal departure time. Then, if you want, you can see just nonstop or refundable flights. And if you’re traveling last minute, just enter the date to check out flights from Buffalo to London today, tomorrow, or this week.  

 

Save dollars with cheap flights from Buffalo Niagara Intl., BUF to Heathrow, LHR 

Sort your search results by price to find great deals on your flight from Buffalo to London—you get all your cheapest options first. Grab yourself a bargain now—the lowest price on flights to London from Buffalo currently is just CA $1,109 rising to CA $1,291.  

Here are more money-saving tips: 

  • Fly in August when flight prices are normally at their lowest 
  • Book about a month to 6 weeks before you travel for the best prices to London  
  • Avoid peak season and weekends when flights can cost more
  • Early morning and late-night flights are sometimes cheaper, so try varying your travel times 
  • One surefire way to save money on your flight is to book your flight and hotel together with Expedia. Sometimes, the savings are so large that the flight is basically free! 

 

Reasons to choose Expedia for your flight to London from Buffalo 

Whatever your destination, budget, or reason to travel, in just one quick search, you can choose from loads of flights, airlines, and cabin classes. The filters make it quick and easy to find your ideal flights, and if you choose one of the flexible options, you won’t be charged to change your flight. So book your flight to London with Expedia today.

Buffalo to London Flights

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