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Cheap flights from Buffalo to London from $284

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 2/10. 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
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.
Lufthansa Logo
6:25 pm - 11:05 am
BUF
-
LHR
11h 40m1 stop
Lufthansa Logo
8:30 am - 7:06 pm
LHR
-
BUF
15h 36m2 stops
$583Lufthansa
Wed, Feb 25 - Mon, Mar 2
Lufthansa Logo
2:49 pm - 6:40 am
BUF
-
LHR
10h 51m1 stop
Lufthansa Logo
6:35 am - 7:25 pm
LHR
-
BUF
17h 50m2 stops
$598Lufthansa
Mon, Jan 26 - Mon, Feb 2
Lufthansa Logo
2:49 pm - 6:40 am
BUF
-
LHR
10h 51m1 stop
Lufthansa Logo
6:35 am - 7:25 pm
LHR
-
BUF
17h 50m2 stops
$600Lufthansa
Fri, Jan 23 - Fri, Jan 30
Lufthansa Logo
2:49 pm - 6:40 am
BUF
-
LHR
10h 51m1 stop
Lufthansa Logo
12:05 pm - 7:06 pm
LHR
-
BUF
12h 01m1 stop
$606Lufthansa
Wed, Feb 11 - Mon, Feb 16
Lufthansa Logo
2:49 pm - 10:25 am
BUF
-
LHR
14h 36m2 stops
Lufthansa Logo
7:40 am - 7:25 pm
LHR
-
BUF
16h 45m2 stops
$607Lufthansa
Mon, Jan 26 - Mon, Feb 2
Lufthansa Logo
2:49 pm - 10:25 am
BUF
-
LHR
14h 36m2 stops
Lufthansa Logo
8:45 am - 10:31 pm
LHR
-
BUF
18h 46m2 stops
$608Lufthansa
Sat, Jan 24 - Sat, Jan 31
Lufthansa Logo
2:54 pm - 6:40 am
BUF
-
LHR
10h 46m1 stop
Lufthansa Logo
6:30 am - 5:50 pm
LHR
-
BUF
16h 20m2 stops
$609Lufthansa
Fri, Feb 27 - Tue, Mar 3
JetBlue Logo
10:25 am - 6:55 am
BUF
-
LHR
15h 30m1 stop
JetBlue Logo
12:20 pm - 11:47 pm
LHR
-
BUF
16h 27m1 stop
$615JetBlue
Tue, Jan 20 - Thu, Feb 5
JetBlue Logo
7:00 am - 9:30 am
BUF
-
LHR
21h 30m1 stop
JetBlue Logo
7:25 am - 11:47 pm
LHR
-
BUF
21h 22m1 stop
$616JetBlue
Tue, Jan 20 - Thu, Feb 5
Lufthansa Logo
2:49 pm - 10:45 am
BUF
-
LHR
14h 56m2 stops
Lufthansa Logo
8:45 am - 10:31 pm
LHR
-
BUF
18h 46m2 stops
$617Lufthansa
Mon, Feb 2 - Wed, Feb 11

Scandinavian Airlines flights from Buffalo to London Heathrow Airport

Our best Scandinavian Airlines deals on Buffalo to London Heathrow Airport flight tickets
Scandinavian Airlines
May 7
BUF7:00 amBuffalo
21h 35m
2 stops
LHR9:35 amLondon Heathrow
May 11
LHR7:05 amLondon Heathrow
21h 51m
2 stops
BUF11:56 pmBuffalo
$686
Find similar
Scandinavian Airlines
Jan 8
BUF11:51 amBuffalo
23h 09m
2 stops
LHR4:00 pmLondon Heathrow
Jan 10
LHR10:20 amLondon Heathrow
42h 56m
2 stops
BUF12:16 amBuffalo
$2,200
Find similar

JetBlue flights from Buffalo to London Heathrow Airport

Our best JetBlue deals on Buffalo to London Heathrow Airport flight tickets
JetBlue
Jan 20
BUF10:25 amBuffalo
15h 30m
1 stop
LHR6:55 amLondon Heathrow
Feb 5
LHR12:20 pmLondon Heathrow
16h 27m
1 stop
BUF11:47 pmBuffalo
$615
Find similar
JetBlue
Jan 20
BUF7:00 amBuffalo
21h 30m
1 stop
LHR9:30 amLondon Heathrow
Feb 5
LHR7:25 amLondon Heathrow
21h 22m
1 stop
BUF11:47 pmBuffalo
$616
Find similar
JetBlue
Jan 27
BUF7:00 amBuffalo
9h 40m
1 stop
LHR9:40 pmLondon Heathrow
Feb 9
LHR9:20 amLondon Heathrow
14h 27m
1 stop
BUF6:47 pmBuffalo
$640
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 28, 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

Wed 2/25

6:25 pm-11:05 am

1 stop11h 40m

London Heathrow

Mon 3/2

8:30 am-7:06 pm

2 stops15h 36m

$583

BuffaloLondon

BUF - LHR

BUFLHR

Buffalo

Mon 1/26

2:49 pm-6:40 am

1 stop10h 51m

London Heathrow

Mon 2/2

6:35 am-7:25 pm

2 stops17h 50m

$598

BuffaloLondon

BUF - LHR

BUFLHR

Buffalo

Fri 1/23

2:49 pm-6:40 am

1 stop10h 51m

London Heathrow

Fri 1/30

6:35 am-7:25 pm

2 stops17h 50m

$600

BuffaloLondon

BUF - LHR

BUFLHR

Buffalo

Wed 2/11

2:49 pm-6:40 am

1 stop10h 51m

London Heathrow

Mon 2/16

12:05 pm-7:06 pm

1 stop12h 01m

$606

BuffaloLondon

BUF - LHR

BUFLHR

Buffalo

Mon 1/26

2:49 pm-10:25 am

2 stops14h 36m

London Heathrow

Mon 2/2

7:40 am-7:25 pm

2 stops16h 45m

$607

BuffaloLondon

BUF - LHR

BUFLHR

Buffalo

Sat 1/24

2:49 pm-10:25 am

2 stops14h 36m

London Heathrow

Sat 1/31

8:45 am-10:31 pm

2 stops18h 46m

$608

BuffaloLondon

BUF - LHR

BUFLHR

Buffalo

Fri 2/27

2:54 pm-6:40 am

1 stop10h 46m

London Heathrow

Tue 3/3

6:30 am-5:50 pm

2 stops16h 20m

$609

BuffaloLondon

BUF - LHR

BUFLHR

Buffalo

Tue 1/20

10:25 am-6:55 am

1 stop15h 30m

London Heathrow

Thu 2/5

12:20 pm-11:47 pm

1 stop16h 27m

$615

BuffaloLondon

BUF - LHR

BUFLHR

Buffalo

Tue 1/20

7:00 am-9:30 am

1 stop21h 30m

London Heathrow

Thu 2/5

7:25 am-11:47 pm

1 stop21h 22m

$616

BuffaloLondon

BUF - LHR

BUFLHR

Buffalo

Mon 2/2

2:49 pm-10:45 am

2 stops14h 56m

London Heathrow

Wed 2/11

8:45 am-10:31 pm

2 stops18h 46m

$617

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 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.

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 $785 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

9h 45m

Direct flights

None
The fastest flight from Buffalo to London Heathrow Airport takes 9h 45m
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 9h 45m, 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
9,117 reviews
Search United Airlines flights
American AirlinesPriceFrom $522Free CancellationRating
7.2
11,073 reviews
Search American Airlines flights
British AirwaysPriceFrom $534Free CancellationRating
6.7
7,617 reviews
Search British Airways flights
DeltaPriceFrom $596Free CancellationRating
7.9
8,022 reviews
Search Delta flights
JetBluePriceFrom $597Free CancellationRating
7.2
2,902 reviews
Search JetBlue flights
Virgin AtlanticPriceFrom $626Free CancellationRating
7.5
677 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
Watford
Wembley
Cobham
Folkestone
Romford
Richmond
Uxbridge

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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