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Cheap flights from Buffalo to London from $280

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 7/26. 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.
Delta Logo
3:50 pm - 8:50 am
BUF
-
LHR
12h 00m
1 stop
Delta Logo
8:40 am - 7:00 pm
LHR
-
BUF
15h 20m
2 stops
$718Delta
Wed, Sep 9 - Wed, Sep 16
JetBlue Logo
6:00 am - 8:45 pm
BUF
-
LHR
10h 45m
1 stop
JetBlue Logo
8:40 am - 8:00 pm
LHR
-
BUF
16h 20m
1 stop
$722JetBlue
Mon, Mar 23 - Tue, Mar 31
JetBlue Logo
8:59 pm - 8:45 pm
BUF
-
LHR
18h 46m
1 stop
JetBlue Logo
8:40 am - 6:07 pm
LHR
-
BUF
14h 27m
1 stop
$725JetBlue
Sun, Apr 12 - Sat, Apr 18
Scandinavian Airlines Logo
2:34 pm - 6:30 pm
BUF
-
LHR
22h 56m
2 stops
Scandinavian Airlines Logo
7:30 pm - 7:19 pm
LHR
-
BUF
28h 49m
3 stops
$729Scandinavian Airlines
Mon, Apr 20 - Mon, Apr 27
JetBlue Logo
9:48 am - 6:30 am
BUF
-
LHR
15h 42m
1 stop
JetBlue Logo
11:55 am - 9:25 pm
LHR
-
BUF
14h 30m
1 stop
$736JetBlue
Thu, Apr 23 - Thu, Apr 30
JetBlue Logo
7:58 pm - 9:30 am
BUF
-
LHR
9h 32m
1 stop
JetBlue Logo
8:40 am - 8:00 pm
LHR
-
BUF
16h 20m
1 stop
$737JetBlue
Mon, Mar 23 - Tue, Mar 31
JetBlue Logo
6:00 am - 8:45 pm
BUF
-
LHR
9h 45m
1 stop
JetBlue Logo
8:15 am - 8:04 pm
LHR
-
BUF
16h 49m
1 stop
$738JetBlue
Sun, Apr 5 - Wed, Apr 8
JetBlue Logo
8:56 am - 6:30 am
BUF
-
LHR
16h 34m
1 stop
JetBlue Logo
11:55 am - 8:03 pm
LHR
-
BUF
13h 08m
1 stop
$739JetBlue
Tue, Mar 31 - Sat, Apr 4
JetBlue Logo
7:02 pm - 8:45 pm
BUF
-
LHR
20h 43m
1 stop
JetBlue Logo
8:15 am - 9:17 pm
LHR
-
BUF
18h 02m
1 stop
$743JetBlue
Mon, Apr 20 - Mon, Apr 27
United Airlines Logo
7:00 am - 6:45 am
BUF
-
LHR
18h 45m
1 stop
United Airlines Logo
2:10 pm - 10:01 am
LHR
-
BUF
24h 51m
3 stops
$744United Airlines
Wed, Aug 5 - Thu, Aug 20

Lufthansa flights from Buffalo to London Heathrow Airport

Our best Lufthansa deals on Buffalo to London Heathrow Airport flight tickets
Lufthansa
Apr 8
BUF7:45 pmBuffalo
14h 55m
2 stops
LHR3:40 pmLondon Heathrow
Apr 15
LHR10:50 amLondon Heathrow
17h 43m
2 stops
BUF11:33 pmBuffalo
$789
Lufthansa
May 12
BUF7:50 pmBuffalo
14h 50m
2 stops
LHR3:40 pmLondon Heathrow
May 19
LHR10:50 amLondon Heathrow
18h 05m
2 stops
BUF11:55 pmBuffalo
$791
Lufthansa
May 5
BUF7:50 pmBuffalo
18h 50m
2 stops
LHR7:40 pmLondon Heathrow
May 11
LHR9:00 amLondon Heathrow
19h 55m
2 stops
BUF11:55 pmBuffalo
$797

JetBlue flights from Buffalo to London Heathrow Airport

Our best JetBlue deals on Buffalo to London Heathrow Airport flight tickets
JetBlue
Mar 23
BUF6:00 amBuffalo
10h 45m
1 stop
LHR8:45 pmLondon Heathrow
Mar 31
LHR8:40 amLondon Heathrow
16h 20m
1 stop
BUF8:00 pmBuffalo
$722
JetBlue
Apr 12
BUF8:59 pmBuffalo
18h 46m
1 stop
LHR8:45 pmLondon Heathrow
Apr 18
LHR8:40 amLondon Heathrow
14h 27m
1 stop
BUF6:07 pmBuffalo
$725
JetBlue
Apr 23
BUF9:48 amBuffalo
15h 42m
1 stop
LHR6:30 amLondon Heathrow
Apr 30
LHR11:55 amLondon Heathrow
14h 30m
1 stop
BUF9:25 pmBuffalo
$736

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 13, 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

Wed 9/9

3:50 pm-8:50 am

1 stop12h 00m

London Heathrow

Wed 9/16

8:40 am-7:00 pm

2 stops15h 20m

$718

BuffaloLondon

BUF - LHR

BUFLHR

Buffalo

Mon 3/23

6:00 am-8:45 pm

1 stop10h 45m

London Heathrow

Tue 3/31

8:40 am-8:00 pm

1 stop16h 20m

$722

BuffaloLondon

BUF - LHR

BUFLHR

Buffalo

Sun 4/12

8:59 pm-8:45 pm

1 stop18h 46m

London Heathrow

Sat 4/18

8:40 am-6:07 pm

1 stop14h 27m

$725

BuffaloLondon

BUF - LHR

BUFLHR

Buffalo

Mon 4/20

2:34 pm-6:30 pm

2 stops22h 56m

London Heathrow

Mon 4/27

7:30 pm-7:19 pm

3 stops28h 49m

$729

BuffaloLondon

BUF - LHR

BUFLHR

Buffalo

Thu 4/23

9:48 am-6:30 am

1 stop15h 42m

London Heathrow

Thu 4/30

11:55 am-9:25 pm

1 stop14h 30m

$736
Quickest round-trip

BuffaloLondon

BUF - LHR

BUFLHR

Buffalo

Mon 3/23

7:58 pm-9:30 am

1 stop9h 32m

London Heathrow

Tue 3/31

8:40 am-8:00 pm

1 stop16h 20m

$737

BuffaloLondon

BUF - LHR

BUFLHR

Buffalo

Sun 4/5

6:00 am-8:45 pm

1 stop9h 45m

London Heathrow

Wed 4/8

8:15 am-8:04 pm

1 stop16h 49m

$738

BuffaloLondon

BUF - LHR

BUFLHR

Buffalo

Tue 3/31

8:56 am-6:30 am

1 stop16h 34m

London Heathrow

Sat 4/4

11:55 am-8:03 pm

1 stop13h 08m

$739

BuffaloLondon

BUF - LHR

BUFLHR

Buffalo

Mon 4/20

7:02 pm-8:45 pm

1 stop20h 43m

London Heathrow

Mon 4/27

8:15 am-9:17 pm

1 stop18h 02m

$743

BuffaloLondon

BUF - LHR

BUFLHR

Buffalo

Wed 8/5

7:00 am-6:45 am

1 stop18h 45m

London Heathrow

Thu 8/20

2:10 pm-10:01 am

3 stops24h 51m

$744

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 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 $786 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
9,418 reviews
Search United Airlines flights
American AirlinesPriceFrom $522Free CancellationRating
7.1
11,446 reviews
Search American Airlines flights
British AirwaysPriceFrom $534Free CancellationRating
6.7
7,784 reviews
Search British Airways flights
JetBluePriceFrom $597Free CancellationRating
7.2
2,904 reviews
Search JetBlue flights
DeltaPriceFrom $599Free CancellationRating
7.9
8,285 reviews
Search Delta flights
Virgin AtlanticPriceFrom $636Free CancellationRating
7.5
680 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
Crawley
Stratford-upon-Avon
Hayes
Wembley
Dartford
Croydon
Brentwood
Harrow
Watford
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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