Latest deals
Insights
When to book
FAQs
Reviews
Price Alerts

Cheap flights from Buffalo to London from $299

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 2/11. 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

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.
United Airlines Logo
7:55 pm - 6:55 am
BUF
-
LHR
30h 00m1 stop
United Airlines Logo
6:50 am - 4:47 pm
LHR
-
BUF
14h 57m2 stops
$525United Airlines
Tue, May 5 - Fri, May 8
United Airlines Logo
5:50 pm - 10:00 am
BUF
-
LHR
35h 10m2 stops
United Airlines Logo
6:50 am - 4:47 pm
LHR
-
BUF
14h 57m2 stops
$528United Airlines
Tue, May 5 - Fri, May 8
British Airways Logo
12:31 pm - 11:35 am
BUF
-
LHR
18h 04m1 stop
British Airways Logo
7:30 am - 10:45 pm
LHR
-
BUF
19h 15m2 stops
$571British Airways
Tue, Feb 24 - Tue, Mar 10
Virgin Atlantic Logo
3:39 pm - 6:55 am
BUF
-
LHR
10h 16m1 stop
Virgin Atlantic Logo
11:30 am - 10:57 pm
LHR
-
BUF
16h 27m2 stops
$577Virgin Atlantic
Tue, Feb 24 - Tue, Mar 3
British Airways Logo
6:01 pm - 10:25 am
BUF
-
LHR
11h 24m1 stop
British Airways Logo
7:35 am - 10:49 pm
LHR
-
BUF
20h 14m2 stops
$579British Airways
Wed, Feb 25 - Wed, Mar 4
British Airways Logo
4:25 pm - 1:50 pm
BUF
-
LHR
16h 25m2 stops
British Airways Logo
7:30 am - 10:45 pm
LHR
-
BUF
19h 15m2 stops
$584British Airways
Tue, Feb 24 - Tue, Mar 10
British Airways Logo
4:25 pm - 7:25 pm
BUF
-
LHR
22h 00m2 stops
British Airways Logo
7:35 am - 10:49 pm
LHR
-
BUF
20h 14m2 stops
$585British Airways
Wed, Feb 25 - Wed, Mar 4
British Airways Logo
4:01 pm - 7:50 am
BUF
-
LHR
10h 49m1 stop
British Airways Logo
2:10 pm - 11:48 pm
LHR
-
BUF
14h 38m1 stop
$589British Airways
Mon, Feb 2 - Wed, Feb 11
British Airways Logo
6:01 pm - 11:35 am
BUF
-
LHR
12h 34m1 stop
British Airways Logo
12:35 pm - 11:40 pm
LHR
-
BUF
15h 05m1 stop
$590British Airways
Tue, Feb 24 - Tue, Mar 10
British Airways Logo
4:01 pm - 7:50 am
BUF
-
LHR
10h 49m1 stop
British Airways Logo
7:40 pm - 11:40 pm
LHR
-
BUF
33h 00m2 stops
$594British Airways
Mon, Feb 2 - Wed, Feb 11

Virgin Atlantic flights from Buffalo to London Heathrow Airport

Our best Virgin Atlantic deals on Buffalo to London Heathrow Airport flight tickets
Virgin Atlantic
Jan 20
BUF12:25 pmBuffalo
15h 20m
1 stop
LHR8:45 amLondon Heathrow
Feb 5
LHR4:10 pmLondon Heathrow
13h 06m
1 stop
BUF12:16 amBuffalo
$569
Virgin Atlantic
Feb 24
BUF3:39 pmBuffalo
10h 16m
1 stop
LHR6:55 amLondon Heathrow
Mar 3
LHR11:30 amLondon Heathrow
16h 27m
2 stops
BUF10:57 pmBuffalo
$577
Virgin Atlantic
Jan 20
BUF12:25 pmBuffalo
14h 40m
2 stops
LHR8:05 amLondon Heathrow
Jan 28
LHR8:40 amLondon Heathrow
15h 23m
2 stops
BUF7:03 pmBuffalo
$608

British Airways flights from Buffalo to London Heathrow Airport

Our best British Airways deals on Buffalo to London Heathrow Airport flight tickets
British Airways
Feb 24
BUF12:31 pmBuffalo
18h 04m
1 stop
LHR11:35 amLondon Heathrow
Mar 10
LHR7:30 amLondon Heathrow
19h 15m
2 stops
BUF10:45 pmBuffalo
$571
British Airways
Jan 20
BUF4:01 pmBuffalo
10h 49m
1 stop
LHR7:50 amLondon Heathrow
Jan 28
LHR7:40 pmLondon Heathrow
33h 08m
2 stops
BUF11:48 pmBuffalo
$580
British Airways
Feb 24
BUF4:25 pmBuffalo
16h 25m
2 stops
LHR1:50 pmLondon Heathrow
Mar 10
LHR7:30 amLondon Heathrow
19h 15m
2 stops
BUF10:45 pmBuffalo
$584

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 11, 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 5/5

7:55 pm-6:55 am

1 stop30h 00m

London Heathrow

Fri 5/8

6:50 am-4:47 pm

2 stops14h 57m

$525

BuffaloLondon

BUF - LHR

BUFLHR

Buffalo

Tue 5/5

5:50 pm-10:00 am

2 stops35h 10m

London Heathrow

Fri 5/8

6:50 am-4:47 pm

2 stops14h 57m

$528

BuffaloLondon

BUF - LHR

BUFLHR

Buffalo

Tue 2/24

12:31 pm-11:35 am

1 stop18h 04m

London Heathrow

Tue 3/10

7:30 am-10:45 pm

2 stops19h 15m

$571

BuffaloLondon

BUF - LHR

BUFLHR

Buffalo

Tue 2/24

3:39 pm-6:55 am

1 stop10h 16m

London Heathrow

Tue 3/3

11:30 am-10:57 pm

2 stops16h 27m

$577

BuffaloLondon

BUF - LHR

BUFLHR

Buffalo

Wed 2/25

6:01 pm-10:25 am

1 stop11h 24m

London Heathrow

Wed 3/4

7:35 am-10:49 pm

2 stops20h 14m

$579

BuffaloLondon

BUF - LHR

BUFLHR

Buffalo

Tue 2/24

4:25 pm-1:50 pm

2 stops16h 25m

London Heathrow

Tue 3/10

7:30 am-10:45 pm

2 stops19h 15m

$584

BuffaloLondon

BUF - LHR

BUFLHR

Buffalo

Wed 2/25

4:25 pm-7:25 pm

2 stops22h 00m

London Heathrow

Wed 3/4

7:35 am-10:49 pm

2 stops20h 14m

$585

BuffaloLondon

BUF - LHR

BUFLHR

Buffalo

Mon 2/2

4:01 pm-7:50 am

1 stop10h 49m

London Heathrow

Wed 2/11

2:10 pm-11:48 pm

1 stop14h 38m

$589

BuffaloLondon

BUF - LHR

BUFLHR

Buffalo

Tue 2/24

6:01 pm-11:35 am

1 stop12h 34m

London Heathrow

Tue 3/10

12:35 pm-11:40 pm

1 stop15h 05m

$590

BuffaloLondon

BUF - LHR

BUFLHR

Buffalo

Mon 2/2

4:01 pm-7:50 am

1 stop10h 49m

London Heathrow

Wed 2/11

7:40 pm-11:40 pm

2 stops33h 00m

$594

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 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 $603. 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 $777 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 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
9,145 reviews
Search United Airlines flights
American AirlinesPriceFrom $522Free CancellationRating
7.2
11,103 reviews
Search American Airlines flights
British AirwaysPriceFrom $534Free CancellationRating
6.7
7,666 reviews
Search British Airways flights
JetBluePriceFrom $593Free CancellationRating
7.2
2,886 reviews
Search JetBlue flights
DeltaPriceFrom $596Free CancellationRating
7.9
8,034 reviews
Search Delta flights
Virgin AtlanticPriceFrom $626Free 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
Luton
Hounslow
Milton Keynes
Dover
Slough
Guildford
Hayes
Crawley
Dartford
Stratford-upon-Avon
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.
Start using Trips
Find my bookings

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.
1 adult
Tue 2/10
Tue 2/17
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 $333
Flights to London City Airportfrom $442
Flights to London Stansted Airportfrom $369
Flights to London Luton Airportfrom $373
Flights to Glasgow Intl Airportfrom $391
Flights to London Southend Airportfrom $493
Flights to Belfast Intl Airportfrom $462
Flights to Belfast City Airportfrom $454