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Cheap flights from Buffalo to London from $325

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Buffalo to London departing on 10/20. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
1 adult, Economy, 0 bags

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from Buffalo to London

Cheap round-trip flights

Enter your travel dates to find the best prices.
SWISS Logo
10:46 am - 1:00 pmBUF  Buffalo-LHR London Heathrow
21h 14m2 stops Chicago O'Hare Intl Zurich
SWISS Logo
6:00 am - 8:47 pmLHR  London Heathrow-BUF Buffalo
19h 47m2 stops Zurich Chicago O'Hare Intl
$811SWISS
Wed, Sep 30 - Fri, Oct 16
SWISS Logo
10:46 am - 7:55 amBUF  Buffalo-LHR London Heathrow
16h 09m2 stops Chicago O'Hare Intl Zurich
SWISS Logo
8:05 pm - 8:47 pmLHR  London Heathrow-BUF Buffalo
29h 42m2 stops Zurich Chicago O'Hare Intl
$811SWISS
Wed, Sep 30 - Tue, Oct 6
JetBlue Logo
9:15 am - 6:30 amBUF  Buffalo-LHR London Heathrow
16h 15m1 stop Boston Logan Intl
JetBlue Logo
8:15 am - 2:43 pmLHR  London Heathrow-BUF Buffalo
11h 28m1 stop New York John F Kennedy Intl
$863JetBlue
Sun, Sep 13 - Tue, Sep 29
United Airlines Logo
10:30 am - 5:55 amBUF  Buffalo-LHR London Heathrow
14h 25m1 stop Newark
United Airlines Logo
6:50 am - 4:43 pmLHR  London Heathrow-BUF Buffalo
14h 53m2 stops Brussels Bruxelles-National Chicago O'Hare Intl
$866United Airlines
Wed, Sep 30 - Fri, Oct 16
United Airlines Logo
10:30 am - 5:55 amBUF  Buffalo-LHR London Heathrow
14h 25m1 stop Newark
United Airlines Logo
6:50 am - 4:43 pmLHR  London Heathrow-BUF Buffalo
14h 53m2 stops Brussels Bruxelles-National Chicago O'Hare Intl
$866United Airlines
Tue, Sep 29 - Tue, Oct 6
Delta Logo
3:53 pm - 7:15 amBUF  Buffalo-LHR London Heathrow
10h 22m1 stop New York John F Kennedy Intl
Delta Logo
6:30 am - 7:19 pmLHR  London Heathrow-BUF Buffalo
17h 49m2 stops Amsterdam Schiphol New York John F Kennedy Intl
$866Delta
Tue, Nov 3 - Tue, Nov 17
Delta Logo
7:55 pm - 12:05 pmBUF  Buffalo-LHR London Heathrow
11h 10m1 stop New York John F Kennedy Intl
Delta Logo
6:30 am - 11:59 pmLHR  London Heathrow-BUF Buffalo
22h 29m2 stops Amsterdam Schiphol New York John F Kennedy Intl
$866Delta
Wed, Sep 30 - Fri, Oct 9
Virgin Atlantic Logo
12:09 pm - 7:50 amBUF  Buffalo-LHR London Heathrow
14h 41m1 stop Atlanta Hartsfield-Jackson
Virgin Atlantic Logo
11:45 am - 11:05 pmLHR  London Heathrow-BUF Buffalo
16h 20m2 stops Amsterdam Schiphol Detroit Metropolitan Wayne County
$875Virgin Atlantic
Tue, Feb 2 - Tue, Feb 16
JetBlue Logo
6:00 am - 8:45 pmBUF  Buffalo-LHR London Heathrow
9h 45m1 stop New York John F Kennedy Intl
JetBlue Logo
8:40 am - 7:33 pmLHR  London Heathrow-BUF Buffalo
15h 53m1 stop Boston Logan Intl
$883JetBlue
Sat, Sep 19 - Fri, Sep 25
Virgin Atlantic Logo
3:59 pm - 8:35 amBUF  Buffalo-LHR London Heathrow
11h 36m1 stop New York John F Kennedy Intl
Virgin Atlantic Logo
7:20 pm - 3:18 pmLHR  London Heathrow-BUF Buffalo
24h 58m2 stops Paris Charles de Gaulle New York John F Kennedy Intl
$898Virgin Atlantic
Wed, Nov 25 - Mon, Nov 30

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SWISS flights from Buffalo to London Heathrow Airport

Our best SWISS deals on Buffalo to London Heathrow Airport flight tickets
SWISS
Sep 30
BUF10:46 amBuffalo
21h 14m
2 stops
LHR1:00 pmLondon Heathrow
Oct 16
LHR6:00 amLondon Heathrow
19h 47m
2 stops
BUF8:47 pmBuffalo
$811
SWISS
Sep 30
BUF10:46 amBuffalo
16h 09m
2 stops
LHR7:55 amLondon Heathrow
Oct 6
LHR8:05 pmLondon Heathrow
29h 42m
2 stops
BUF8:47 pmBuffalo
$812
SWISS
Aug 18
BUF2:26 pmBuffalo
17h 34m
2 stops
LHR1:00 pmLondon Heathrow
Aug 31
LHR6:00 amLondon Heathrow
15h 56m
2 stops
BUF4:56 pmBuffalo
$865

Delta flights from Buffalo to London Heathrow Airport

Our best Delta deals on Buffalo to London Heathrow Airport flight tickets
Delta
Nov 4
BUF3:54 pmBuffalo
10h 51m
1 stop
LHR7:45 amLondon Heathrow
Nov 10
LHR6:30 amLondon Heathrow
17h 49m
2 stops
BUF7:19 pmBuffalo
$866
Delta
Nov 4
BUF12:15 pmBuffalo
15h 45m
2 stops
LHR9:00 amLondon Heathrow
Nov 10
LHR8:40 amLondon Heathrow
15h 39m
2 stops
BUF7:19 pmBuffalo
$871
Delta
Feb 3
BUF11:20 amBuffalo
14h 00m
1 stop
LHR6:20 amLondon Heathrow
Feb 17
LHR11:45 amLondon Heathrow
16h 20m
2 stops
BUF11:05 pmBuffalo
$875

momondo Fare Finder

 
Customize your flight search to find flights from Buffalo to London Heathrow Airport that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, momondo users made 832,500 searches. Data last updated August 16, 2026.
Use the filters below to find and compare flights from Buffalo to London Heathrow Airport that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

BuffaloLondon

BUF Buffalo - LHR London Heathrow

BUFLHR

Buffalo

Wed 9/30

10:46 am-1:00 pm

2 stops21h 14m

London Heathrow

Fri 10/16

6:00 am-8:47 pm

2 stops19h 47m

$811

BuffaloLondon

BUF Buffalo - LHR London Heathrow

BUFLHR

Buffalo

Wed 9/30

10:46 am-7:55 am

2 stops16h 09m

London Heathrow

Tue 10/6

8:05 pm-8:47 pm

2 stops29h 42m

$811

BuffaloLondon

BUF Buffalo - LHR London Heathrow

BUFLHR

Buffalo

Sun 9/13

9:15 am-6:30 am

1 stop16h 15m

London Heathrow

Tue 9/29

8:15 am-2:43 pm

1 stop11h 28m

$863

BuffaloLondon

BUF Buffalo - LHR London Heathrow

BUFLHR

Buffalo

Wed 9/30

10:30 am-5:55 am

1 stop14h 25m

London Heathrow

Fri 10/16

6:50 am-4:43 pm

2 stops14h 53m

$866

BuffaloLondon

BUF Buffalo - LHR London Heathrow

BUFLHR

Buffalo

Tue 9/29

10:30 am-5:55 am

1 stop14h 25m

London Heathrow

Tue 10/6

6:50 am-4:43 pm

2 stops14h 53m

$866

BuffaloLondon

BUF Buffalo - LHR London Heathrow

BUFLHR

Buffalo

Tue 11/3

3:53 pm-7:15 am

1 stop10h 22m

London Heathrow

Tue 11/17

6:30 am-7:19 pm

2 stops17h 49m

$866

BuffaloLondon

BUF Buffalo - LHR London Heathrow

BUFLHR

Buffalo

Wed 9/30

7:55 pm-12:05 pm

1 stop11h 10m

London Heathrow

Fri 10/9

6:30 am-11:59 pm

2 stops22h 29m

$866

BuffaloLondon

BUF Buffalo - LHR London Heathrow

BUFLHR

Buffalo

Tue 2/2

12:09 pm-7:50 am

1 stop14h 41m

London Heathrow

Tue 2/16

11:45 am-11:05 pm

2 stops16h 20m

$875
Quickest round-trip

BuffaloLondon

BUF Buffalo - LHR London Heathrow

BUFLHR

Buffalo

Sat 9/19

6:00 am-8:45 pm

1 stop9h 45m

London Heathrow

Fri 9/25

8:40 am-7:33 pm

1 stop15h 53m

$883

BuffaloLondon

BUF Buffalo - LHR London Heathrow

BUFLHR

Buffalo

Wed 11/25

3:59 pm-8:35 am

1 stop11h 36m

London Heathrow

Mon 11/30

7:20 pm-3:18 pm

2 stops24h 58m

$898

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to London from

How to get the cheapest flight ticket from Buffalo to London Heathrow Airport

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the typical price of a round-trip flight between Buffalo and London Heathrow Airport?

Prices are currently typical for flights on this route.

Typical prices usually range from $739 to $1,174.
The lowest price recently found on this route was $811.

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

The month of February is, on average, the cheapest month to fly to London Heathrow Airport from Buffalo, with most prices found around $658. If you’re not able to fly to London Heathrow Airport in February, then April is your next best option. Flight prices from Buffalo to London Heathrow Airport during April average around $737.

When to book flights from Buffalo to London Heathrow Airport

Are you open to changing your travel dates? Check out the ideal times to fly from Buffalo to London Heathrow Airport according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap Buffalo to London Heathrow Airport (BUF to LHR) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Buffalo to London Heathrow Airport

Fastest flight time

10h 15m

Direct flights

None
The fastest flight from Buffalo to London Heathrow Airport takes 10h 15m
There are no direct flights from Buffalo to London Heathrow Airport. There are no popular flight routes from Buffalo to London Heathrow Airport.
Search flight deals

Frequently asked questions about flying from Buffalo to London Heathrow Airport

  • How far is Buffalo to London Heathrow by plane?

    London Heathrow is 3548.4 mi away from Buffalo. Flights usually cover this in 10h 15m, depending on flying conditions and air traffic around both airports.

  • When did momondo last update prices for flights from Buffalo Airport to London Heathrow Airport?

    Prices for flights from Buffalo Airport to London Heathrow Airport were last updated today.

  • How many operators does momondo search for flights from Buffalo Airport to London Heathrow Airport?

  • How old do you have to be to fly from Buffalo Airport to London Heathrow Airport?

    The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Buffalo Airport to London Heathrow Airport.

  • What documentation or ID do you need to fly to London Heathrow Airport?

    The required travel and health documents for your London Heathrow Airport trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at London Heathrow Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

  • What is the most popular airline from Buffalo to London Heathrow Airport?

Best airlines flying from Buffalo to London Heathrow Airport

Compare and see reviews for airlines that fly from Buffalo to London Heathrow Airport with momondo
Airline
Rating
Free Cancellation
Price
KLMPriceFrom $380Free CancellationRating
7.8
1,560 reviews
Search KLM flights
United AirlinesPriceFrom $451Free CancellationRating
7.4
10,106 reviews
Search United Airlines flights
British AirwaysPriceFrom $468Free CancellationRating
6.7
8,169 reviews
Search British Airways flights
American AirlinesPriceFrom $490Free CancellationRating
7.1
11,952 reviews
Search American Airlines flights
Virgin AtlanticPriceFrom $540Free CancellationRating
7.5
694 reviews
Search Virgin Atlantic flights
JetBluePriceFrom $640Free CancellationRating
7.1
3,031 reviews
Search JetBlue flights
DeltaPriceFrom $732Free CancellationRating
7.8
8,505 reviews
Search Delta flights

Traveling to a place near London?

Book flights to London if you plan to visit one of these locations
Hounslow
Gatwick
Milton Keynes
Luton
Hayes
Stratford-upon-Avon
Wembley
Croydon
Dover
Stansted
Richmond
Kingston upon Thames
Harrow
Watford
Cobham
Slough
Uxbridge
Eastbourne
Worthing
Romford

Why use momondo?

Why should I use momondo to find a flight deal from Buffalo to London?

momondo compares prices from hundreds of airlines and agents so you can find and book the best deal on flights from Buffalo to London. Millions of users trust and use momondo every year so you are in good hands.

Can I find flights from Buffalo to London with flexible booking policies on momondo?

Flights from Buffalo to London with flexible booking policies can be found by using the search form above and then selecting our dedicated flexible booking filter, which will highlight only the flights where this policy is applied.

How can momondo help me find flights from Buffalo to London?

momondo helps you find the best flight between Buffalo and London by providing filters to narrow your choice of flights to those matching your criteria. You can select flights based on numerous factors such as price, departure and landing times, airport and airline.

I’m not ready to book a flight from Buffalo to London right now. Can momondo alert me if prices change?

If you are simply researching potential flights to London, momondo offers a useful price alert feature which will track prices for flights to London from Buffalo and alert you when they change.

An easier way to manage your London Heathrow Airport trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.
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