BUF - LHR

$290 Find Cheap Flights from Buffalo to London Heathrow Airport - Compare and Save

1 adult
1 adult, Economy, 0 bags

Save 25% or more on flights. Compare deals from all over the web.

Never overpay with our price tracking tools.

Filter searches by price, airline and more to find your best flights.

Everything you should know

Cheapest round-trip
$767
Typical prices: $760-$1,092
United Airlines
Fri 11/16Sun 11/18
BUF - LHR • 1 stop
Cheapest one-way
$290
Typical prices: $350-$536
JetBlue
Tue 12/4
BUF - LHR • 1 stop
Nonstop flights
Not available
There are currently no direct flights between Buffalo and London Heathrow Airport. You'll need to take a connecting flight to reach the destination.
Insights
Insights
When to book
22 weeks
in advance
Our data shows that travelers who book at least 22 weeks in advance save around 39% compared to booking last minute.
Insights
Insights
When to travel
January
Cheapest • 14% price drop
August
Most popular
Good to know
+1
Good to know
+1
Top layover airports
Chicago O'Hare Intl (ORD)
Cheapest • Avg $648 (round-trip)
Philadelphia (PHL)
Shortest trip • 10h 49m (one-way)
Insights
Insights
Start a new search
KAYAK searches 100s of sites at once to find you the best travel deals.
We hope you love your trip to London Heathrow Airport!
Flight Deals
Booking Insights
Flight Deals

Cheap Flights from Buffalo to Heathrow (BUF-LHR)

 
Discover the best prices for you by selecting your travel dates on KAYAK.

Recent round-trip flight deals from Buffalo to Heathrow

Mon, Nov 16 - Wed, Nov 18
United Airlines Logo
10:35 am - 10:50 amBUF  Buffalo-LHR London Heathrow
19h 15m1 stop Washington, D.C. Dulles Intl
United Airlines Logo
6:50 am - 8:09 pmLHR  London Heathrow-BUF Buffalo
18h 19m2 stops Brussels Bruxelles-National Newark
$767United Airlines
Mon, Nov 16 - Wed, Nov 18
United Airlines Logo
10:35 am - 10:50 amBUF  Buffalo-LHR London Heathrow
19h 15m1 stop Washington, D.C. Dulles Intl
United Airlines Logo
6:50 am - 8:09 pmLHR  London Heathrow-BUF Buffalo
18h 19m2 stops Brussels Bruxelles-National Newark
$771United Airlines
Fri, Nov 27 - Tue, Dec 8
JetBlue Logo
12:50 pm - 9:30 amBUF  Buffalo-LHR London Heathrow
15h 40m1 stop New York John F Kennedy Intl
JetBlue Logo
7:25 am - 11:59 pmLHR  London Heathrow-BUF Buffalo
21h 34m1 stop New York John F Kennedy Intl
$775JetBlue
Fri, Nov 27 - Mon, Dec 7
JetBlue Logo
6:00 am - 8:55 pmBUF  Buffalo-LHR London Heathrow
9h 55m1 stop New York John F Kennedy Intl
JetBlue Logo
8:05 am - 3:54 pmLHR  London Heathrow-BUF Buffalo
12h 49m1 stop New York John F Kennedy Intl
$775JetBlue
Tue, Nov 10 - Tue, Nov 17
SWISS Logo
1:53 pm - 5:50 pmBUF  Buffalo-LHR London Heathrow
22h 57m2 stops Chicago O'Hare Intl Zurich
SWISS Logo
6:00 am - 8:36 pmLHR  London Heathrow-BUF Buffalo
19h 36m2 stops Zurich Chicago O'Hare Intl
$815SWISS
Sun, Mar 21 - Wed, Mar 31
Iberia Logo
5:37 pm - 7:00 amBUF  Buffalo-LHR London Heathrow
9h 23m1 stop Boston Logan Intl
Iberia Logo
9:15 am - 11:13 pmLHR  London Heathrow-BUF Buffalo
18h 58m2 stops Madrid Barajas Boston Logan Intl
$852Iberia
Wed, Dec 9 - Wed, Dec 16
Virgin Atlantic Logo
3:20 pm - 6:20 amBUF  Buffalo-LHR London Heathrow
10h 00m1 stop New York John F Kennedy Intl
Virgin Atlantic Logo
4:35 pm - 12:15 amLHR  London Heathrow-BUF Buffalo
12h 40m1 stop New York John F Kennedy Intl
$875Virgin Atlantic
Wed, Dec 9 - Sun, Dec 13
Delta Logo
11:24 am - 7:55 amBUF  Buffalo-LHR London Heathrow
15h 31m2 stops New York John F Kennedy Intl Paris Charles de Gaulle
Delta Logo
6:30 am - 6:44 pmLHR  London Heathrow-BUF Buffalo
17h 14m2 stops Amsterdam Schiphol New York John F Kennedy Intl
$900Delta
Sat, Apr 3 - Sat, Apr 10
Virgin Atlantic Logo
4:00 pm - 11:00 amBUF  Buffalo-LHR London Heathrow
14h 00m1 stop New York John F Kennedy Intl
Virgin Atlantic Logo
6:30 am - 5:06 pmLHR  London Heathrow-BUF Buffalo
15h 36m2 stops Amsterdam Schiphol Detroit Metropolitan Wayne County
$901Virgin Atlantic
Sun, Jan 3 - Wed, Jan 13
Delta Logo
3:20 pm - 7:15 amBUF  Buffalo-LHR London Heathrow
10h 55m1 stop New York John F Kennedy Intl
Delta Logo
8:40 am - 11:13 pmLHR  London Heathrow-BUF Buffalo
19h 33m2 stops Amsterdam Schiphol Detroit Metropolitan Wayne County
$907Delta
Booking Insights

Price, demand and travel trends for Buffalo to London Heathrow Airport flights

Use KAYAK data on prices, travel dates, airlines and seasonal trends to compare options and book flights with more confidence.

How much is a round-trip flight from Buffalo to London Heathrow Airport?

Round-trip flights from Buffalo to London Heathrow Airport typically range from $760 to $1,092. The lowest price found in the past 5 days was $767, on United Airlines.

What's the cheapest day of the week to fly from Buffalo to London Heathrow Airport?

Based on deals KAYAK users found in the last 12 months, Thursday is the cheapest day of the week to fly from Buffalo to London Heathrow Airport. It’s 9% cheaper than the average day, while Sunday is the most expensive, with prices 13% higher.

What’s the cheapest month to fly from Buffalo to London Heathrow Airport?

•January is the cheapest month to fly from Buffalo to London Heathrow Airport at $765 round-trip.
•June ($1,178) and December ($992) are the most expensive months.
•The price difference between flying in the cheapest and most expensive months is 53% on average.
This is based on KAYAK aggregated and averaged internal data over the past 12 months.

When are flights from Buffalo to London Heathrow Airport the cheapest?

Flights from Buffalo to London Heathrow Airport are cheapest 22 weeks before departure. Booking in this window typically costs about 39% less than the average last-minute fare (within 2 weeks of the flight), based on KAYAK data.

Find deals

Key details for Buffalo to London Heathrow Airport flights

Low season

January

Cheapest flight

$290
Beat the crowds with an average 38% drop in travelers.
The most popular month to fly with an average 36% increase in travelers.
One-way flight from Buffalo to London Heathrow Airport

When to book flights from Buffalo to Heathrow

Are your dates flexible? Find out the best times to travel from Buffalo to Heathrow based on our flight data from the last year. Discover the cheapest month and even day to fly.
Estimated round-trip price

Your Buffalo to London Heathrow Airport flight questions, answered

Find helpful answers about this route, including flight times, airports, airlines and booking tips.

  • What cabin classes can I book on flights from Buffalo to London Heathrow Airport?

    Four cabin classes are available on flights from Buffalo to London Heathrow Airport:

    • Economy Class
    • Premium Economy Class
    • Business Class
    • First Class

    Prices vary by airline.

  • How long is a flight from Buffalo to London Heathrow Airport?

    A nonstop flight from Buffalo to London Heathrow Airport takes 00m, covering 3,540 miles.

  • Do I need a passport to fly from Buffalo to London Heathrow Airport?

    Yes, a valid passport is required for this international route. Many destinations require at least six months of validity beyond your travel dates. Check your passport expiry well before booking.

  • How much should I expect to pay for a Buffalo to London Heathrow Airport flight?

    Round-trip flights from Buffalo to London Heathrow Airport range from $760 to $1,092, with an average of $893 over the past 12 months. Anything below $760 counts as a good deal.

  • How expensive are last-minute Buffalo to London Heathrow Airport flights?

    Last-minute fares on this route (booked within two weeks of departure) run 23% above the $893 route average. Book 22 weeks before departure for the lowest fares.

  • How are flight prices from Buffalo to London Heathrow Airport looking right now?

    One-way fares from Buffalo to London Heathrow Airport are currently lower than usual. Average one-way flight prices are about $393, which is 11% below the typical average for this route.

  • What car rental options are available at London Heathrow Airport (LHR)?

    London Heathrow Airport (LHR) hosts 5 major car rental companies, with daily rates averaging $39 for economy cars. Top options include:

    • GREEN MOTION
    • DRIVALIA
    • Europcar
    • Alamo
    • Hertz

  • Which airports can I use when flying from Buffalo to London Heathrow Airport?

    Flights from Buffalo to London Heathrow Airport usually depart from Buffalo (BUF) and arrive at London Heathrow (LHR).

  • Which airports do connecting flights from Buffalo to London Heathrow Airport pass through?

    One-stop flights from Buffalo to London Heathrow Airport most commonly connect through:

    • New York John F Kennedy Intl (JFK) - 54% of one-stop connections
    • Boston Logan Intl (BOS) - 16% of one-stop connections
    • Washington, D.C. Dulles Intl (IAD) - 13% of one-stop connections
    • Newark (EWR) - 10% of one-stop connections

  • Can I save money by using flexible dates for flights from Buffalo to London Heathrow Airport?

    Yes. Flexible dates can save you up to 20% on flights from Buffalo to London Heathrow Airport. Thursday is the cheapest departure day at $813 round-trip on average, while Sunday is the most expensive at $1,010, a difference of $197.

    KAYAK's flexible dates feature shows options up to 3 days before and after your selected dates, making it easier to compare nearby fares.

  • How much time can I save by choosing a different layover airport from Buffalo to London Heathrow Airport?

    Flying via Philadelphia (PHL) gives the shortest average 1-stop total travel time at 10h 49m, compared with 10h 52m via Newark (EWR) and 11h 02m via Washington, D.C. Dulles Intl (IAD).

  • What is the time difference between Buffalo and London Heathrow Airport?

    London Heathrow Airport is 4 hours ahead of Buffalo (British Time vs Eastern Time). Plan for the time shift when scheduling connections or first-day activities.

  • What popular places can I visit in London Heathrow Airport?

    Some of the most popular sights in London Heathrow Airport are Hyde Park and Buckingham Palace. These are among the most viewed places in London Heathrow Airport on KAYAK.

Your guide to booking Buffalo to London Heathrow Airport flights

Get tips on when to book, when to fly and what to know before your trip.
  • If your dates are flexible, aim for a Thursday departure and avoid flying on Sunday. On this route, Thursday flights average $813, about $197 less than Sunday fares (20% savings) based on the last 12 months.
  • For the best chance at a low fare, aim to book around 22 weeks before you fly. On this route, that window historically saves about 39% versus last-minute pricing (KAYAK booking data, last 12 months).
  • If you can choose when to travel, plan your Buffalo to London Heathrow Airport trip for January. Fares historically average $765 round-trip in that month - typically $413 less than the most expensive month, which is June (based on the last 12 months).
  • If you're arriving late at night and need somewhere to stay, check out these hotels close to London Heathrow Airport.

    • Hilton London Heathrow Airport

More options for your flight from Buffalo to Heathrow

Complete your trip to London with a hotel stay or car rental

Car rentals in London
Hotels in London
Vacations in London