BUF - LHR

$315 Find Cheap Flights from Buffalo to London Heathrow Airport - Compare and Save

1 adult
1 adult, Economy, 0 bags

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Everything you should know

Cheapest round-trip
$692
Typical prices: $706-$1,071
Iberia
Sun 12/9Sun 12/16
BUF - LHR • 1 stop
Cheapest one-way
$315
Typical prices: $402-$627
JetBlue
Sat 11/24
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 27% compared to booking last minute.
Insights
Insights
When to travel
October
Cheapest • 20% price drop
August
Most popular
Good to know
+1
Good to know
+1
Top layover airports
Detroit Metropolitan Wayne County (DTW)
Cheapest • Avg $586 (round-trip)
Newark (EWR)
Shortest trip • 10h 49m (one-way)
Insights
Insights
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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

Wed, Dec 9 - Wed, Dec 16
Iberia Logo
4:15 pm - 7:00 amBUF  Buffalo-LHR London Heathrow
9h 45m1 stop Boston Logan Intl
Iberia Logo
8:45 am - 10:10 pmLHR  London Heathrow-BUF Buffalo
18h 25m2 stops Madrid Barajas Boston Logan Intl
$692Iberia
Wed, Dec 9 - Wed, Dec 16
Iberia Logo
4:15 pm - 12:05 pmBUF  Buffalo-LHR London Heathrow
14h 50m2 stops Boston Logan Intl Madrid Barajas
Iberia Logo
8:45 am - 10:10 pmLHR  London Heathrow-BUF Buffalo
18h 25m2 stops Madrid Barajas Boston Logan Intl
$701Iberia
Tue, Oct 13 - Tue, Oct 20
Virgin Atlantic Logo
12:21 pm - 6:25 amBUF  Buffalo-LHR London Heathrow
13h 04m1 stop Atlanta Hartsfield-Jackson
Virgin Atlantic Logo
11:45 am - 6:56 pmLHR  London Heathrow-BUF Buffalo
12h 11m1 stop New York John F Kennedy Intl
$726Virgin Atlantic
Tue, Oct 13 - Tue, Oct 20
Virgin Atlantic Logo
3:53 pm - 7:15 amBUF  Buffalo-LHR London Heathrow
10h 22m1 stop New York John F Kennedy Intl
Virgin Atlantic Logo
3:50 pm - 11:59 pmLHR  London Heathrow-BUF Buffalo
13h 09m1 stop New York John F Kennedy Intl
$736Virgin Atlantic
Mon, Nov 16 - Wed, Nov 18
United Airlines Logo
10:51 am - 9:10 amBUF  Buffalo-LHR London Heathrow
17h 19m1 stop Newark
United Airlines Logo
6:50 am - 10:59 pmLHR  London Heathrow-BUF Buffalo
21h 09m2 stops Brussels Bruxelles-National Newark
$737United Airlines
Wed, Oct 14 - Wed, Oct 21
Delta Logo
12:15 pm - 7:10 amBUF  Buffalo-LHR London Heathrow
13h 55m1 stop Detroit Metropolitan Wayne County
Delta Logo
6:30 am - 6:56 pmLHR  London Heathrow-BUF Buffalo
17h 26m2 stops Amsterdam Schiphol New York John F Kennedy Intl
$738Delta
Mon, Oct 5 - Tue, Oct 20
Delta Logo
7:55 pm - 12:05 pmBUF  Buffalo-LHR London Heathrow
11h 10m1 stop New York John F Kennedy Intl
Delta Logo
9:55 am - 11:59 pmLHR  London Heathrow-BUF Buffalo
19h 04m2 stops Amsterdam Schiphol Detroit Metropolitan Wayne County
$738Delta
Sat, Oct 3 - Mon, Oct 5
United Airlines Logo
7:42 pm - 8:40 pmBUF  Buffalo-LHR London Heathrow
19h 58m1 stop Newark
United Airlines Logo
6:50 am - 11:50 pmLHR  London Heathrow-BUF Buffalo
22h 00m2 stops Brussels Bruxelles-National Washington, D.C. Dulles Intl
$745United Airlines
Wed, Sep 30 - Tue, Oct 6
American Airlines Logo
4:55 pm - 9:35 amBUF  Buffalo-LHR London Heathrow
11h 40m1 stop Boston Logan Intl
American Airlines Logo
9:15 am - 7:09 pmLHR  London Heathrow-BUF Buffalo
14h 54m1 stop Philadelphia
$745American Airlines
Wed, Nov 4 - Tue, Nov 10
American Airlines Logo
4:16 pm - 7:00 amBUF  Buffalo-LHR London Heathrow
9h 44m1 stop Boston Logan Intl
American Airlines Logo
11:40 am - 9:35 pmLHR  London Heathrow-BUF Buffalo
14h 55m1 stop Boston Logan Intl
$745American Airlines
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 from Buffalo to London Heathrow Airport 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 start at $692. Prices are below average for this route right now, with typical round-trip fares ranging from $706 to $1,071. The lowest price found in the past 5 days was $692 on Iberia.

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

Thursday is the cheapest day of the week to fly from Buffalo to London Heathrow Airport, it is 8% cheaper than the average day. Monday is the most expensive day with flight prices 13% higher than average. Based on deals found by KAYAK users in the last 12 months.

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

•October is the cheapest month to fly from Buffalo to London Heathrow Airport at $700 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 68% on average.
This is based on KAYAK aggregated and averaged internal data over the past 12 months.

When are prices 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 27% less than the average last-minute fare (within 2 weeks of the flight), based on KAYAK data.

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Key details for Buffalo to London Heathrow Airport flights

Low season

January

Cheapest flight

$315
Best time to beat the crowds with an average 13% drop in price.
Most popular time to fly with an average 5% increase in price.
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 route details based on KAYAK data, including flight times, airports, airlines and booking questions.

  • 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).

  • 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.

  • 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) - 50% of one-stop connections
    • Boston Logan Intl (BOS) - 16% of one-stop connections
    • Washington, D.C. Dulles Intl (IAD) - 12% of one-stop connections
    • Philadelphia (PHL) - 7% of one-stop connections

    New York John F Kennedy Intl (JFK) handles the largest share of one-stop connections on this route.

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

    Yes. Being flexible with your travel dates can save you up to 19% on the Buffalo to London Heathrow Airport route. Thursday is the cheapest departure day at $813 round-trip on average, while Monday is the most expensive at $1,000, a difference of $187. KAYAK's flexible dates feature shows options up to 3 days before and after your selected dates, making it easier to compare nearby fares.

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

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

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

    Last-minute fares on this route - booked within 2 weeks of departure - run 9% above the route average of $879. Book 22 weeks before departure for the lowest fares.

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

    A nonstop flight from Buffalo to London Heathrow Airport takes 0h 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 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 $322, which is 40% below the typical average for this route.

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

    Flying via Newark (EWR) gives the shortest average 1-stop total travel time at 10h 49m, compared with 10h 59m via Philadelphia (PHL) and 11h 05m via Washington, D.C. Dulles Intl (IAD).

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

    London Heathrow Airport is 5 hours ahead of Buffalo (British Time vs Eastern Time). Plan for the time shift when scheduling connections or first-day activities.

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

    London Heathrow Airport (LHR) hosts 5 major car rental companies, with daily rates starting from around $7 for economy cars. Top options include:
    • GREEN MOTION
    • DRIVALIA
    • Europcar
    • Alamo
    • Hertz

  • 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 $706 to $1,071, with an average of $879 over the past 12 months. Anything below $706 counts as a good deal.

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 can be flexible, aim for a Thursday departure instead of Monday. On this route, Thursday flights average $813 - about $187 less than Monday (19% 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 27% 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 October. Fares historically average $700 round-trip in that month - typically $478 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

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