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Cheap flights from Buffalo to London from $299

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 4/7. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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0 bags

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Find the cheapest flights from Buffalo to London

Cheap round-trip flights

Enter your travel dates to find the best prices.
Virgin Atlantic Logo
5:44 pm - 8:45 am
BUF
-
LHR
10h 01m1 stop
Virgin Atlantic Logo
11:30 am - 10:57 pm
LHR
-
BUF
16h 27m2 stops
$576Virgin Atlantic
Mon, Jan 12 - Sun, Jan 25
Lufthansa Logo
2:49 pm - 10:50 am
BUF
-
LHR
15h 01m1 stop
Lufthansa Logo
6:35 am - 7:25 pm
LHR
-
BUF
17h 50m2 stops
$597Lufthansa
Fri, Jan 23 - Sat, Jan 31
Austrian Airlines Logo
11:24 am - 8:25 am
BUF
-
LHR
16h 01m1 stop
Austrian Airlines Logo
8:00 am - 5:40 pm
LHR
-
BUF
14h 40m1 stop
$605Austrian Airlines
Sun, Jan 18 - Sun, Jan 25
Lufthansa Logo
2:49 pm - 6:40 am
BUF
-
LHR
10h 51m1 stop
Lufthansa Logo
4:00 pm - 10:31 pm
LHR
-
BUF
11h 31m1 stop
$606Lufthansa
Mon, Jan 12 - Sun, Jan 25
Lufthansa Logo
2:49 pm - 10:50 am
BUF
-
LHR
15h 01m1 stop
Lufthansa Logo
7:30 am - 5:40 pm
LHR
-
BUF
15h 10m2 stops
$607Lufthansa
Mon, Feb 2 - Wed, Feb 11
Lufthansa Logo
2:49 pm - 10:25 am
BUF
-
LHR
14h 36m2 stops
Lufthansa Logo
6:30 am - 5:40 pm
LHR
-
BUF
16h 10m2 stops
$615Lufthansa
Sun, Jan 18 - Sun, Jan 25
Lufthansa Logo
2:54 pm - 6:40 am
BUF
-
LHR
10h 46m1 stop
Lufthansa Logo
7:40 am - 7:06 pm
LHR
-
BUF
16h 26m2 stops
$619Lufthansa
Wed, Feb 18 - Thu, Feb 26
Lufthansa Logo
2:49 pm - 10:50 am
BUF
-
LHR
15h 01m1 stop
Lufthansa Logo
4:00 pm - 10:31 pm
LHR
-
BUF
11h 31m1 stop
$623Lufthansa
Thu, Jan 15 - Mon, Jan 19
Lufthansa Logo
2:49 pm - 10:45 am
BUF
-
LHR
14h 56m2 stops
Lufthansa Logo
7:30 am - 5:40 pm
LHR
-
BUF
15h 10m2 stops
$626Lufthansa
Mon, Feb 2 - Wed, Feb 11
United Airlines Logo
6:20 pm - 11:05 am
BUF
-
LHR
11h 45m1 stop
United Airlines Logo
6:50 am - 4:44 pm
LHR
-
BUF
14h 54m2 stops
$628United Airlines
Fri, Jan 30 - Tue, Feb 3

Lufthansa flights from Buffalo to London Heathrow Airport

Our best Lufthansa deals on Buffalo to London Heathrow Airport flight tickets
Lufthansa
Jan 23
BUF2:49 pmBuffalo
15h 01m
1 stop
LHR10:50 amLondon Heathrow
Jan 31
LHR6:35 amLondon Heathrow
17h 50m
2 stops
BUF7:25 pmBuffalo
$597
Find similar
Lufthansa
Jan 12
BUF2:49 pmBuffalo
10h 51m
1 stop
LHR6:40 amLondon Heathrow
Jan 25
LHR4:00 pmLondon Heathrow
11h 31m
1 stop
BUF10:31 pmBuffalo
$606
Find similar
Lufthansa
Feb 2
BUF2:49 pmBuffalo
15h 01m
1 stop
LHR10:50 amLondon Heathrow
Feb 11
LHR7:30 amLondon Heathrow
15h 10m
2 stops
BUF5:40 pmBuffalo
$607
Find similar

United Airlines flights from Buffalo to London Heathrow Airport

Our best United Airlines deals on Buffalo to London Heathrow Airport flight tickets
United Airlines
Jan 30
BUF6:20 pmBuffalo
11h 45m
1 stop
LHR11:05 amLondon Heathrow
Feb 3
LHR6:50 amLondon Heathrow
14h 54m
2 stops
BUF4:44 pmBuffalo
$628
Find similar
United Airlines
Feb 17
BUF1:52 pmBuffalo
16h 23m
1 stop
LHR11:15 amLondon Heathrow
Feb 22
LHR1:45 pmLondon Heathrow
36h 06m
2 stops
BUF8:51 pmBuffalo
$629
Find similar
United Airlines
Jan 15
BUF6:00 amBuffalo
10h 20m
1 stop
LHR9:20 pmLondon Heathrow
Jan 18
LHR8:30 amLondon Heathrow
16h 59m
2 stops
BUF8:29 pmBuffalo
$631
Find similar

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 December 16, 2025.
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

BuffaloLondon

BUF - LHR

BUFLHR

Buffalo

Mon 1/12

5:44 pm-8:45 am

1 stop10h 01m

London Heathrow

Sun 1/25

11:30 am-10:57 pm

2 stops16h 27m

$576

BuffaloLondon

BUF - LHR

BUFLHR

Buffalo

Fri 1/23

2:49 pm-10:50 am

1 stop15h 01m

London Heathrow

Sat 1/31

6:35 am-7:25 pm

2 stops17h 50m

$597

BuffaloLondon

BUF - LHR

BUFLHR

Buffalo

Sun 1/18

11:24 am-8:25 am

1 stop16h 01m

London Heathrow

Sun 1/25

8:00 am-5:40 pm

1 stop14h 40m

$605

BuffaloLondon

BUF - LHR

BUFLHR

Buffalo

Mon 1/12

2:49 pm-6:40 am

1 stop10h 51m

London Heathrow

Sun 1/25

4:00 pm-10:31 pm

1 stop11h 31m

$606

BuffaloLondon

BUF - LHR

BUFLHR

Buffalo

Mon 2/2

2:49 pm-10:50 am

1 stop15h 01m

London Heathrow

Wed 2/11

7:30 am-5:40 pm

2 stops15h 10m

$607

BuffaloLondon

BUF - LHR

BUFLHR

Buffalo

Sun 1/18

2:49 pm-10:25 am

2 stops14h 36m

London Heathrow

Sun 1/25

6:30 am-5:40 pm

2 stops16h 10m

$615

BuffaloLondon

BUF - LHR

BUFLHR

Buffalo

Wed 2/18

2:54 pm-6:40 am

1 stop10h 46m

London Heathrow

Thu 2/26

7:40 am-7:06 pm

2 stops16h 26m

$619

BuffaloLondon

BUF - LHR

BUFLHR

Buffalo

Thu 1/15

2:49 pm-10:50 am

1 stop15h 01m

London Heathrow

Mon 1/19

4:00 pm-10:31 pm

1 stop11h 31m

$623

BuffaloLondon

BUF - LHR

BUFLHR

Buffalo

Mon 2/2

2:49 pm-10:45 am

2 stops14h 56m

London Heathrow

Wed 2/11

7:30 am-5:40 pm

2 stops15h 10m

$626

BuffaloLondon

BUF - LHR

BUFLHR

Buffalo

Fri 1/30

6:20 pm-11:05 am

1 stop11h 45m

London Heathrow

Tue 2/3

6:50 am-4:44 pm

2 stops14h 54m

$628

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?

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 $626. If you’re not able to fly to London Heathrow Airport in February, then September is your next best option. Flight prices from Buffalo to London Heathrow Airport during September average around $632.

What is the cheapest day to depart on your flight to London Heathrow Airport?

Our data shows that Sunday is the least expensive day to fly to London Heathrow Airport. Tickets to fly out on this day can be as low as $740. The most expensive day to fly to London Heathrow Airport is Friday, with ticket prices averaging around $796.

What is the cheapest time of day to depart on your flight to London Heathrow Airport?

According to our data, the cheapest time of day to fly to London Heathrow Airport is at noon. momondo users have found flights departing from Buffalo to London Heathrow Airport at noon for as low as $737. Keep in mind that these prices may fluctuate based on what airline you choose and the time of year you plan to travel. Flights in the evening are often more expensive with an average ticket price of $806.

How far in advance should I book a flight to London Heathrow Airport?

You are more likely to see cheaper flights to London Heathrow Airport from Buffalo when booking weeks ahead of your departure date. In general, you can expect to find flights to London Heathrow Airport for around $787 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to London Heathrow Airport from Buffalo for as low as $605 on momondo.

How have Buffalo to London Heathrow Airport flight prices changed over time?

As of December 2025, prices for Buffalo to London Heathrow Airport flights are approximately 8% more expensive when compared to flights at the same time last year.

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 40m

Direct flights

None
The fastest flight from Buffalo to London Heathrow Airport takes 10h 40m
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

  • How far is Buffalo to London Heathrow by plane?

    London Heathrow is 3548.4 mi away from Buffalo. Flights usually cover this in 10h 40m, 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
United AirlinesPriceFrom $451Free CancellationRating
7.4
9,092 reviews
Search United Airlines flights
American AirlinesPriceFrom $522Free CancellationRating
7.2
11,049 reviews
Search American Airlines flights
British AirwaysPriceFrom $534Free CancellationRating
6.7
7,583 reviews
Search British Airways flights
JetBluePriceFrom $593Free CancellationRating
7.2
2,895 reviews
Search JetBlue flights
DeltaPriceFrom $596Free CancellationRating
7.9
8,008 reviews
Search Delta flights
Virgin AtlanticPriceFrom $626Free CancellationRating
7.5
675 reviews
Search Virgin Atlantic flights

Traveling to a place near London?

Book flights to London if you plan to visit one of these locations
Gatwick
Hounslow
Milton Keynes
Dover
Luton
Slough
Guildford
Hayes
Dartford
Stratford-upon-Avon
Crawley
Brentwood
Salisbury
Wembley
Watford
Ilford
Cobham
Folkestone
Romford
Richmond

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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