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Cheap flights from Buffalo to London from $328

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 4/26. 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.
Scandinavian Airlines Logo
7:00 am - 6:50 pm
BUF
-
LHR
30h 50m
2 stops
Scandinavian Airlines Logo
7:30 pm - 12:15 am
LHR
-
BUF
33h 45m
2 stops
$745Scandinavian Airlines
Thu, May 7 - Fri, May 15
JetBlue Logo
12:25 pm - 9:30 am
BUF
-
LHR
16h 05m
1 stop
JetBlue Logo
8:15 am - 2:59 pm
LHR
-
BUF
11h 44m
1 stop
$792JetBlue
Sat, May 2 - Tue, May 19
JetBlue Logo
1:31 pm - 6:30 am
BUF
-
LHR
11h 59m
1 stop
JetBlue Logo
8:15 am - 6:21 pm
LHR
-
BUF
15h 06m
1 stop
$793JetBlue
Fri, Aug 14 - Sun, Aug 30
JetBlue Logo
7:05 am - 9:30 am
BUF
-
LHR
21h 25m
1 stop
JetBlue Logo
8:40 am - 10:57 pm
LHR
-
BUF
19h 17m
1 stop
$794JetBlue
Sun, May 3 - Mon, May 18
United Airlines Logo
6:00 am - 8:40 pm
BUF
-
LHR
9h 40m
1 stop
United Airlines Logo
10:25 am - 6:17 pm
LHR
-
BUF
12h 52m
1 stop
$797United Airlines
Wed, Aug 5 - Thu, Aug 20
JetBlue Logo
10:00 am - 6:30 am
BUF
-
LHR
15h 30m
1 stop
JetBlue Logo
8:15 am - 6:21 pm
LHR
-
BUF
15h 06m
1 stop
$805JetBlue
Tue, Aug 11 - Sun, Aug 30
JetBlue Logo
2:28 pm - 6:30 am
BUF
-
LHR
11h 02m
1 stop
JetBlue Logo
8:15 am - 9:25 pm
LHR
-
BUF
18h 10m
1 stop
$807JetBlue
Fri, May 1 - Fri, May 15
JetBlue Logo
2:28 pm - 6:30 am
BUF
-
LHR
11h 02m
1 stop
JetBlue Logo
8:40 am - 10:57 pm
LHR
-
BUF
19h 17m
1 stop
$809JetBlue
Mon, May 4 - Mon, May 18
JetBlue Logo
1:31 pm - 6:30 am
BUF
-
LHR
11h 59m
1 stop
JetBlue Logo
8:15 am - 2:57 pm
LHR
-
BUF
11h 42m
1 stop
$820JetBlue
Sun, Aug 16 - Sun, Aug 30
JetBlue Logo
1:26 pm - 6:30 am
BUF
-
LHR
12h 04m
1 stop
JetBlue Logo
8:15 am - 2:57 pm
LHR
-
BUF
11h 42m
1 stop
$825JetBlue
Tue, Aug 11 - Fri, Aug 28

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 5
BUF6:00 amBuffalo
9h 40m
1 stop
LHR8:40 pmLondon Heathrow
Aug 20
LHR10:25 amLondon Heathrow
12h 52m
1 stop
BUF6:17 pmBuffalo
$797
United Airlines
Aug 5
BUF6:00 amBuffalo
9h 40m
1 stop
LHR8:40 pmLondon Heathrow
Aug 14
LHR12:15 pmLondon Heathrow
16h 37m
1 stop
BUF11:52 pmBuffalo
$833
United Airlines
Sep 13
BUF6:00 amBuffalo
19h 55m
1 stop
LHR6:55 amLondon Heathrow
Sep 30
LHR7:30 amLondon Heathrow
20h 56m
2 stops
BUF11:26 pmBuffalo
$848

Delta flights from Buffalo to London Heathrow Airport

Our best Delta deals on Buffalo to London Heathrow Airport flight tickets
Delta
Aug 5
BUF3:50 pmBuffalo
13h 30m
1 stop
LHR10:20 amLondon Heathrow
Aug 20
LHR11:20 amLondon Heathrow
16h 43m
2 stops
BUF11:03 pmBuffalo
$869
Delta
Mar 23
BUF11:37 amBuffalo
17h 43m
1 stop
LHR9:20 amLondon Heathrow
Mar 31
LHR8:40 amLondon Heathrow
15h 36m
2 stops
BUF7:16 pmBuffalo
$960
Delta
Mar 31
BUF7:38 pmBuffalo
12h 37m
1 stop
LHR1:15 pmLondon Heathrow
Apr 7
LHR9:55 amLondon Heathrow
19h 19m
2 stops
BUF12:14 amBuffalo
$975

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 March 21, 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 - LHR

BUFLHR

Buffalo

Thu 5/7

7:00 am-6:50 pm

2 stops30h 50m

London Heathrow

Fri 5/15

7:30 pm-12:15 am

2 stops33h 45m

$745

BuffaloLondon

BUF - LHR

BUFLHR

Buffalo

Sat 5/2

12:25 pm-9:30 am

1 stop16h 05m

London Heathrow

Tue 5/19

8:15 am-2:59 pm

1 stop11h 44m

$792

BuffaloLondon

BUF - LHR

BUFLHR

Buffalo

Fri 8/14

1:31 pm-6:30 am

1 stop11h 59m

London Heathrow

Sun 8/30

8:15 am-6:21 pm

1 stop15h 06m

$793

BuffaloLondon

BUF - LHR

BUFLHR

Buffalo

Sun 5/3

7:05 am-9:30 am

1 stop21h 25m

London Heathrow

Mon 5/18

8:40 am-10:57 pm

1 stop19h 17m

$794
Quickest round-trip

BuffaloLondon

BUF - LHR

BUFLHR

Buffalo

Wed 8/5

6:00 am-8:40 pm

1 stop9h 40m

London Heathrow

Thu 8/20

10:25 am-6:17 pm

1 stop12h 52m

$797

BuffaloLondon

BUF - LHR

BUFLHR

Buffalo

Tue 8/11

10:00 am-6:30 am

1 stop15h 30m

London Heathrow

Sun 8/30

8:15 am-6:21 pm

1 stop15h 06m

$805

BuffaloLondon

BUF - LHR

BUFLHR

Buffalo

Fri 5/1

2:28 pm-6:30 am

1 stop11h 02m

London Heathrow

Fri 5/15

8:15 am-9:25 pm

1 stop18h 10m

$807

BuffaloLondon

BUF - LHR

BUFLHR

Buffalo

Mon 5/4

2:28 pm-6:30 am

1 stop11h 02m

London Heathrow

Mon 5/18

8:40 am-10:57 pm

1 stop19h 17m

$809

BuffaloLondon

BUF - LHR

BUFLHR

Buffalo

Sun 8/16

1:31 pm-6:30 am

1 stop11h 59m

London Heathrow

Sun 8/30

8:15 am-2:57 pm

1 stop11h 42m

$820

BuffaloLondon

BUF - LHR

BUFLHR

Buffalo

Tue 8/11

1:26 pm-6:30 am

1 stop12h 04m

London Heathrow

Fri 8/28

8:15 am-2:57 pm

1 stop11h 42m

$825

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 September is, on average, the cheapest month to fly to London Heathrow Airport from Buffalo, with most prices found around $631. If you’re not able to fly to London Heathrow Airport in September, then February is your next best option. Flight prices from Buffalo to London Heathrow Airport during February average around $633.

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 $593 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 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
9,453 reviews
Search United Airlines flights
American AirlinesPriceFrom $522Free CancellationRating
7.1
11,489 reviews
Search American Airlines flights
British AirwaysPriceFrom $534Free CancellationRating
6.7
7,806 reviews
Search British Airways flights
JetBluePriceFrom $593Free CancellationRating
7.2
2,909 reviews
Search JetBlue flights
Virgin AtlanticPriceFrom $636Free CancellationRating
7.5
682 reviews
Search Virgin Atlantic flights
DeltaPriceFrom $710Free CancellationRating
7.9
8,315 reviews
Search Delta 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
Crawley
Stratford-upon-Avon
Wembley
Hayes
Dartford
Croydon
Harrow
Watford
Brentwood
Guildford
Stansted
Cobham
Folkestone
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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