Latest deals
Insights
When to book
FAQs
Reviews
Price Alerts

Cheap flights from Buffalo to London from $278

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 3/21. 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

Discover deals from 900+ travel sites with momondo.

Save money when you book flights with momondo

Big names and deals

Big names and deals

Search 100s of travel sites to compare prices.

Filter for what you want

Filter for what you want

Free Wi-Fi? Stopover? Instantly customize your results.

Trusted and free

Trusted and free

We’re completely free to use - no hidden charges or fees.

Price Alerts

Price Alerts

Not ready to book? to track prices.
Search flight deals

Find the cheapest flights from Buffalo to London

Cheap round-trip flights

Enter your travel dates to find the best prices.
Lufthansa Logo
7:45 pm - 3:40 pm
BUF
-
LHR
14h 55m
2 stops
Lufthansa Logo
10:50 am - 11:33 pm
LHR
-
BUF
17h 43m
2 stops
$626Lufthansa
Tue, Mar 31 - Wed, Apr 15
KLM Logo
6:45 pm - 11:40 am
BUF
-
LHR
11h 55m
1 stop
KLM Logo
6:30 am - 6:43 pm
LHR
-
BUF
16h 13m
2 stops
$629KLM
Tue, Mar 3 - Tue, Mar 10
Multiple Airlines Logo
7:00 am - 11:20 am
BUF
-
LHR
23h 20m
2 stops
Multiple Airlines Logo
7:40 am - 11:56 pm
LHR
-
BUF
20h 16m
2 stops
$632Multiple Airlines
Wed, Mar 4 - Wed, Mar 25
United Airlines Logo
10:00 am - 6:40 am
BUF
-
LHR
15h 40m
1 stop
United Airlines Logo
6:50 am - 5:51 pm
LHR
-
BUF
16h 01m
2 stops
$633United Airlines
Wed, Feb 25 - Sun, Mar 1
Delta Logo
11:52 am - 6:20 am
BUF
-
LHR
13h 28m
1 stop
Delta Logo
6:30 am - 5:40 pm
LHR
-
BUF
16h 10m
2 stops
$634Delta
Fri, Feb 27 - Fri, Mar 6
United Airlines Logo
1:52 pm - 8:25 am
BUF
-
LHR
13h 33m
2 stops
United Airlines Logo
6:50 am - 5:51 pm
LHR
-
BUF
16h 01m
2 stops
$637United Airlines
Wed, Feb 25 - Sun, Mar 1
United Airlines Logo
1:52 pm - 8:25 am
BUF
-
LHR
13h 33m
2 stops
United Airlines Logo
6:50 am - 6:42 pm
LHR
-
BUF
15h 52m
2 stops
$638United Airlines
Tue, Mar 3 - Tue, Mar 10
Delta Logo
10:29 am - 7:05 am
BUF
-
LHR
15h 36m
2 stops
Delta Logo
6:30 am - 7:00 pm
LHR
-
BUF
17h 30m
2 stops
$639Delta
Fri, Feb 27 - Fri, Mar 6
Lufthansa Logo
7:30 pm - 5:05 pm
BUF
-
LHR
17h 35m
2 stops
Lufthansa Logo
9:00 am - 11:50 pm
LHR
-
BUF
19h 50m
2 stops
$641Lufthansa
Mon, Mar 23 - Tue, Mar 31
JetBlue Logo
10:35 am - 9:30 am
BUF
-
LHR
17h 55m
1 stop
JetBlue Logo
12:20 pm - 11:07 pm
LHR
-
BUF
14h 47m
1 stop
$645JetBlue
Tue, Mar 3 - Tue, Mar 10

Lufthansa flights from Buffalo to London Heathrow Airport

Our best Lufthansa deals on Buffalo to London Heathrow Airport flight tickets
Lufthansa
Mar 31
BUF7:45 pmBuffalo
14h 55m
2 stops
LHR3:40 pmLondon Heathrow
Apr 15
LHR10:50 amLondon Heathrow
17h 43m
2 stops
BUF11:33 pmBuffalo
$626
Lufthansa
Mar 23
BUF7:30 pmBuffalo
17h 35m
2 stops
LHR5:05 pmLondon Heathrow
Mar 31
LHR9:00 amLondon Heathrow
19h 50m
2 stops
BUF11:50 pmBuffalo
$641
Lufthansa
Feb 8
BUF2:49 pmBuffalo
14h 56m
2 stops
LHR10:45 amLondon Heathrow
Feb 25
LHR7:30 amLondon Heathrow
18h 32m
2 stops
BUF9:02 pmBuffalo
$783

Air Canada flights from Buffalo to London Heathrow Airport

Our best Air Canada deals on Buffalo to London Heathrow Airport flight tickets
Air Canada
Apr 23
BUF10:55 amBuffalo
17h 40m
2 stops
LHR9:35 amLondon Heathrow
May 8
LHR5:40 pmLondon Heathrow
32h 21m
2 stops
BUF9:01 pmBuffalo
$719
Air Canada
Feb 11
BUF10:45 amBuffalo
17h 35m
2 stops
LHR9:20 amLondon Heathrow
Feb 27
LHR1:25 pmLondon Heathrow
36h 26m
2 stops
BUF8:51 pmBuffalo
$806
Air Canada
Feb 7
BUF8:30 amBuffalo
41h 40m
2 stops
LHR7:10 amLondon Heathrow
Feb 24
LHR1:25 pmLondon Heathrow
36h 26m
2 stops
BUF8:51 pmBuffalo
$810

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 January 29, 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

Tue 3/31

7:45 pm-3:40 pm

2 stops14h 55m

London Heathrow

Wed 4/15

10:50 am-11:33 pm

2 stops17h 43m

$626

BuffaloLondon

BUF - LHR

BUFLHR

Buffalo

Tue 3/3

6:45 pm-11:40 am

1 stop11h 55m

London Heathrow

Tue 3/10

6:30 am-6:43 pm

2 stops16h 13m

$629

BuffaloLondon

BUF - LHR

BUFLHR

Buffalo

Wed 3/4

7:00 am-11:20 am

2 stops23h 20m

London Heathrow

Wed 3/25

7:40 am-11:56 pm

2 stops20h 16m

$632

BuffaloLondon

BUF - LHR

BUFLHR

Buffalo

Wed 2/25

10:00 am-6:40 am

1 stop15h 40m

London Heathrow

Sun 3/1

6:50 am-5:51 pm

2 stops16h 01m

$633

BuffaloLondon

BUF - LHR

BUFLHR

Buffalo

Fri 2/27

11:52 am-6:20 am

1 stop13h 28m

London Heathrow

Fri 3/6

6:30 am-5:40 pm

2 stops16h 10m

$634

BuffaloLondon

BUF - LHR

BUFLHR

Buffalo

Wed 2/25

1:52 pm-8:25 am

2 stops13h 33m

London Heathrow

Sun 3/1

6:50 am-5:51 pm

2 stops16h 01m

$637

BuffaloLondon

BUF - LHR

BUFLHR

Buffalo

Tue 3/3

1:52 pm-8:25 am

2 stops13h 33m

London Heathrow

Tue 3/10

6:50 am-6:42 pm

2 stops15h 52m

$638

BuffaloLondon

BUF - LHR

BUFLHR

Buffalo

Fri 2/27

10:29 am-7:05 am

2 stops15h 36m

London Heathrow

Fri 3/6

6:30 am-7:00 pm

2 stops17h 30m

$639

BuffaloLondon

BUF - LHR

BUFLHR

Buffalo

Mon 3/23

7:30 pm-5:05 pm

2 stops17h 35m

London Heathrow

Tue 3/31

9:00 am-11:50 pm

2 stops19h 50m

$641

BuffaloLondon

BUF - LHR

BUFLHR

Buffalo

Tue 3/3

10:35 am-9:30 am

1 stop17h 55m

London Heathrow

Tue 3/10

12:20 pm-11:07 pm

1 stop14h 47m

$645

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
1
2

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 $774 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 $615 on momondo.

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

As of January 2026, prices for Buffalo to London Heathrow Airport flights are approximately 21% 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 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
9,215 reviews
Search United Airlines flights
American AirlinesPriceFrom $522Free CancellationRating
7.2
11,206 reviews
Search American Airlines flights
British AirwaysPriceFrom $534Free CancellationRating
6.7
7,705 reviews
Search British Airways flights
JetBluePriceFrom $593Free CancellationRating
7.2
2,891 reviews
Search JetBlue flights
DeltaPriceFrom $596Free CancellationRating
7.9
8,127 reviews
Search Delta flights
Virgin AtlanticPriceFrom $636Free CancellationRating
7.5
678 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
Guildford
Crawley
Wembley
Dartford
Hayes
Stratford-upon-Avon
Brentwood
Harrow
Watford
Cobham
Folkestone
Romford
Stansted
Croydon

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.
Start using Trips
Find my bookings

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.
1 adult
Sat 2/28
Sat 3/7
By creating a price alert you accept our terms of use and privacy policy.

Find better results for your trip to London

Popular cities in the United Kingdom

Popular flights according to clicks in the last 7 days on momondo
Flights to London Gatwick Airportfrom $334
Flights to London City Airportfrom $502
Flights to London Stansted Airportfrom $376
Flights to London Luton Airportfrom $375
Flights to Glasgow Intl Airportfrom $406
Flights to Belfast Intl Airportfrom $490
Flights to London Southend Airportfrom $452
Flights to Belfast City Airportfrom $490