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Cheap flights from Buffalo to London from $220

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 8/11. 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.
United Airlines Logo
10:21 am - 8:35 am
BUF
-
LHR
17h 14m
2 stops
United Airlines Logo
6:50 am - 4:47 pm
LHR
-
BUF
14h 57m
2 stops
$649United Airlines
Wed, Aug 12 - Wed, Aug 26
United Airlines Logo
6:00 am - 9:35 pm
BUF
-
LHR
10h 35m
1 stop
United Airlines Logo
7:25 am - 8:31 pm
LHR
-
BUF
18h 06m
2 stops
$651United Airlines
Tue, Aug 11 - Tue, Aug 25
United Airlines Logo
6:00 am - 10:00 am
BUF
-
LHR
23h 00m
2 stops
United Airlines Logo
7:25 am - 8:31 pm
LHR
-
BUF
18h 06m
2 stops
$654United Airlines
Tue, Aug 11 - Tue, Aug 25
Lufthansa Logo
7:30 pm - 6:35 pm
BUF
-
LHR
19h 05m
2 stops
Lufthansa Logo
9:00 am - 11:50 pm
LHR
-
BUF
19h 50m
2 stops
$668Lufthansa
Mon, Mar 23 - Tue, Mar 31
JetBlue Logo
7:39 pm - 8:45 pm
BUF
-
LHR
20h 06m
1 stop
JetBlue Logo
11:55 am - 9:25 pm
LHR
-
BUF
14h 30m
1 stop
$670JetBlue
Mon, May 4 - Wed, May 20
JetBlue Logo
9:48 am - 6:30 am
BUF
-
LHR
15h 42m
1 stop
JetBlue Logo
8:15 am - 9:25 pm
LHR
-
BUF
18h 10m
1 stop
$675JetBlue
Mon, Apr 27 - Mon, May 4
JetBlue Logo
8:59 pm - 8:45 pm
BUF
-
LHR
18h 46m
1 stop
JetBlue Logo
8:40 am - 10:57 pm
LHR
-
BUF
19h 17m
1 stop
$676JetBlue
Mon, Apr 13 - Fri, May 8
United Airlines Logo
6:00 am - 9:35 pm
BUF
-
LHR
10h 35m
1 stop
United Airlines Logo
4:00 pm - 10:55 pm
LHR
-
BUF
11h 55m
1 stop
$678United Airlines
Wed, Aug 5 - Thu, Aug 20
United Airlines Logo
6:00 am - 8:40 pm
BUF
-
LHR
9h 40m
1 stop
United Airlines Logo
12:15 pm - 11:26 pm
LHR
-
BUF
16h 11m
1 stop
$679United Airlines
Tue, Aug 11 - Tue, Aug 25
United Airlines Logo
10:34 am - 10:00 am
BUF
-
LHR
18h 26m
2 stops
United Airlines Logo
8:00 am - 8:31 pm
LHR
-
BUF
17h 31m
1 stop
$682United Airlines
Wed, Aug 5 - Thu, Aug 20

United Airlines flights from Buffalo to London Heathrow Airport

Our best United Airlines deals on Buffalo to London Heathrow Airport flight tickets
United Airlines
Aug 12
BUF10:21 amBuffalo
17h 14m
2 stops
LHR8:35 amLondon Heathrow
Aug 26
LHR6:50 amLondon Heathrow
14h 57m
2 stops
BUF4:47 pmBuffalo
$649
United Airlines
Aug 5
BUF6:00 amBuffalo
9h 40m
1 stop
LHR8:40 pmLondon Heathrow
Aug 20
LHR8:00 amLondon Heathrow
13h 47m
1 stop
BUF4:47 pmBuffalo
$678
United Airlines
Aug 5
BUF10:34 amBuffalo
18h 26m
2 stops
LHR10:00 amLondon Heathrow
Aug 20
LHR8:00 amLondon Heathrow
17h 31m
1 stop
BUF8:31 pmBuffalo
$682

JetBlue flights from Buffalo to London Heathrow Airport

Our best JetBlue deals on Buffalo to London Heathrow Airport flight tickets
JetBlue
May 4
BUF7:39 pmBuffalo
20h 06m
1 stop
LHR8:45 pmLondon Heathrow
May 20
LHR11:55 amLondon Heathrow
14h 30m
1 stop
BUF9:25 pmBuffalo
$670
JetBlue
Mar 1
BUF6:00 amBuffalo
9h 45m
1 stop
LHR8:45 pmLondon Heathrow
Mar 4
LHR7:25 amLondon Heathrow
21h 07m
1 stop
BUF11:32 pmBuffalo
$671
JetBlue
Apr 27
BUF9:48 amBuffalo
15h 42m
1 stop
LHR6:30 amLondon Heathrow
May 4
LHR8:15 amLondon Heathrow
18h 10m
1 stop
BUF9:25 pmBuffalo
$675

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 February 24, 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

BuffaloLondon

BUF - LHR

BUFLHR

Buffalo

Wed 8/12

10:21 am-8:35 am

2 stops17h 14m

London Heathrow

Wed 8/26

6:50 am-4:47 pm

2 stops14h 57m

$649

BuffaloLondon

BUF - LHR

BUFLHR

Buffalo

Tue 8/11

6:00 am-9:35 pm

1 stop10h 35m

London Heathrow

Tue 8/25

7:25 am-8:31 pm

2 stops18h 06m

$651

BuffaloLondon

BUF - LHR

BUFLHR

Buffalo

Tue 8/11

6:00 am-10:00 am

2 stops23h 00m

London Heathrow

Tue 8/25

7:25 am-8:31 pm

2 stops18h 06m

$654

BuffaloLondon

BUF - LHR

BUFLHR

Buffalo

Mon 3/23

7:30 pm-6:35 pm

2 stops19h 05m

London Heathrow

Tue 3/31

9:00 am-11:50 pm

2 stops19h 50m

$668

BuffaloLondon

BUF - LHR

BUFLHR

Buffalo

Mon 5/4

7:39 pm-8:45 pm

1 stop20h 06m

London Heathrow

Wed 5/20

11:55 am-9:25 pm

1 stop14h 30m

$670

BuffaloLondon

BUF - LHR

BUFLHR

Buffalo

Mon 4/27

9:48 am-6:30 am

1 stop15h 42m

London Heathrow

Mon 5/4

8:15 am-9:25 pm

1 stop18h 10m

$675

BuffaloLondon

BUF - LHR

BUFLHR

Buffalo

Mon 4/13

8:59 pm-8:45 pm

1 stop18h 46m

London Heathrow

Fri 5/8

8:40 am-10:57 pm

1 stop19h 17m

$676

BuffaloLondon

BUF - LHR

BUFLHR

Buffalo

Wed 8/5

6:00 am-9:35 pm

1 stop10h 35m

London Heathrow

Thu 8/20

4:00 pm-10:55 pm

1 stop11h 55m

$678

BuffaloLondon

BUF - LHR

BUFLHR

Buffalo

Tue 8/11

6:00 am-8:40 pm

1 stop9h 40m

London Heathrow

Tue 8/25

12:15 pm-11:26 pm

1 stop16h 11m

$679

BuffaloLondon

BUF - LHR

BUFLHR

Buffalo

Wed 8/5

10:34 am-10:00 am

2 stops18h 26m

London Heathrow

Thu 8/20

8:00 am-8:31 pm

1 stop17h 31m

$682

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 $610. 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 $631.

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 $783 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 $580 on momondo.

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

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 40m

Direct flights

None
The fastest flight from Buffalo to London Heathrow Airport takes 9h 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 9h 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
9,346 reviews
Search United Airlines flights
American AirlinesPriceFrom $522Free CancellationRating
7.2
11,342 reviews
Search American Airlines flights
British AirwaysPriceFrom $534Free CancellationRating
6.7
7,762 reviews
Search British Airways flights
DeltaPriceFrom $596Free CancellationRating
7.9
8,238 reviews
Search Delta flights
JetBluePriceFrom $597Free CancellationRating
7.2
2,898 reviews
Search JetBlue flights
Virgin AtlanticPriceFrom $636Free CancellationRating
7.5
679 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
Luton
Dover
Slough
Stratford-upon-Avon
Crawley
Hayes
Wembley
Dartford
Brentwood
Croydon
Guildford
Harrow
Watford
Cobham
Folkestone
Romford
Stansted

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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