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Cheap flights from Buffalo to London from $286

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 7/22. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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0 bags

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Cheap round-trip flights

Lufthansa Logo
5:54 pm - 11:45 amBUF-LHR
12h 51m1 stop
Lufthansa Logo
11:05 am - 9:16 pmLHR-BUF
15h 11m1 stop
$480Lufthansa
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Mon, Aug 11 - Thu, Aug 21
United Airlines Logo
8:00 pm - 10:40 amBUF-LHR
9h 40m1 stop
United Airlines Logo
9:30 am - 4:52 pmLHR-BUF
36h 22m2 stops
$508United Airlines
Find Deal
Sun, Aug 24 - Thu, Sep 4
British Airways Logo
1:32 pm - 8:05 amBUF-LHR
13h 33m1 stop
British Airways Logo
1:30 pm - 8:31 pmLHR-BUF
12h 01m1 stop
$519British Airways
Find Deal
Tue, Aug 12 - Tue, Aug 19
United Airlines Logo
6:00 am - 6:55 amBUF-LHR
19h 55m1 stop
United Airlines Logo
6:50 am - 4:52 pmLHR-BUF
15h 02m2 stops
$520United Airlines
Find Deal
Wed, Aug 6 - Tue, Aug 26
British Airways Logo
6:59 pm - 10:20 amBUF-LHR
10h 21m1 stop
British Airways Logo
10:05 am - 6:34 pmLHR-BUF
13h 29m1 stop
$521British Airways
Find Deal
Tue, Aug 12 - Wed, Aug 20
British Airways Logo
5:40 pm - 11:05 amBUF-LHR
12h 25m1 stop
British Airways Logo
10:05 am - 6:34 pmLHR-BUF
13h 29m1 stop
$522British Airways
Find Deal
Tue, Aug 12 - Wed, Aug 20
British Airways Logo
4:08 pm - 8:05 amBUF-LHR
10h 57m1 stop
British Airways Logo
12:30 pm - 6:40 pmLHR-BUF
11h 10m1 stop
$525British Airways
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Mon, Aug 18 - Tue, Aug 26
JetBlue Logo
6:00 am - 8:45 pmBUF-LHR
9h 45m1 stop
JetBlue Logo
11:55 am - 10:00 pmLHR-BUF
15h 05m1 stop
$633JetBlue
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Sun, Sep 7 - Thu, Sep 11
JetBlue Logo
3:55 pm - 9:30 amBUF-LHR
12h 35m1 stop
JetBlue Logo
8:15 am - 3:00 pmLHR-BUF
11h 45m1 stop
$641JetBlue
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Sun, Sep 14 - Wed, Sep 17
Delta Logo
2:35 pm - 10:30 amBUF-LHR
14h 55m2 stops
Delta Logo
6:30 am - 6:58 pmLHR-BUF
17h 28m2 stops
$650Delta
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Wed, Oct 8 - Thu, Oct 16

British Airways flights from Buffalo to London Heathrow Airport

Our best British Airways deals on Buffalo to London Heathrow Airport flight tickets
British Airways
Aug 12
BUF1:32 pmBuffalo
13h 33m
1 stop
LHR8:05 amLondon Heathrow
Aug 19
LHR1:30 pmLondon Heathrow
12h 01m
1 stop
BUF8:31 pmBuffalo
$519
Find similar
British Airways
Aug 12
BUF6:59 pmBuffalo
10h 21m
1 stop
LHR10:20 amLondon Heathrow
Aug 20
LHR10:05 amLondon Heathrow
13h 29m
1 stop
BUF6:34 pmBuffalo
$521
Find similar
British Airways
Aug 12
BUF5:40 pmBuffalo
12h 25m
1 stop
LHR11:05 amLondon Heathrow
Aug 20
LHR10:05 amLondon Heathrow
13h 29m
1 stop
BUF6:34 pmBuffalo
$522
Find similar

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 24
BUF8:00 pmBuffalo
9h 40m
1 stop
LHR10:40 amLondon Heathrow
Sep 4
LHR9:30 amLondon Heathrow
36h 22m
2 stops
BUF4:52 pmBuffalo
$508
Find similar
United Airlines
Aug 6
BUF6:00 amBuffalo
19h 55m
1 stop
LHR6:55 amLondon Heathrow
Aug 26
LHR6:50 amLondon Heathrow
15h 02m
2 stops
BUF4:52 pmBuffalo
$520
Find similar
United Airlines
Aug 12
BUF7:00 amBuffalo
18h 30m
2 stops
LHR6:30 amLondon Heathrow
Aug 19
LHR4:40 pmLondon Heathrow
12h 19m
1 stop
BUF11:59 pmBuffalo
$530
Find similar

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 October is, on average, the cheapest month to fly to London Heathrow Airport from Buffalo, with most prices found around $616. If you’re not able to fly to London Heathrow Airport in October, then January is your next best option. Flight prices from Buffalo to London Heathrow Airport during January average around $651.

What is the cheapest day to depart on your flight to London Heathrow Airport?

Our data shows that Sunday is the least expensive day to fly to London Heathrow Airport. Tickets to fly out on this day can be as low as $740. The most expensive day to fly to London Heathrow Airport is Friday, with ticket prices averaging around $796.

What is the cheapest time of day to depart on your flight to London Heathrow Airport?

According to our data, the cheapest time of day to fly to London Heathrow Airport is at noon. momondo users have found flights departing from Buffalo to London Heathrow Airport at noon for as low as $737. Keep in mind that these prices may fluctuate based on what airline you choose and the time of year you plan to travel. Flights in the evening are often more expensive with an average ticket price of $806.

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 $744 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 July 2025, prices for Buffalo to London Heathrow Airport flights are approximately 60% cheaper 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

Best Price Found

$286

Fastest flight time

9h 32m

Direct flights

None
The best one-way flight to London Heathrow Airport from Buffalo in the past 72 hours is $286. The best round-trip flight deal from Buffalo to London Heathrow Airport found on momondo in the last 72 hours is $480.
The fastest flight from Buffalo to London Heathrow Airport takes 9h 32m
There are no direct flights from Buffalo to London Heathrow Airport. Popular non-direct route for this connection is Buffalo Airport - London Heathrow Airport.
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  • How far is Buffalo to London Heathrow by plane?

    London Heathrow is 3548.4 mi away from Buffalo. Flights usually cover this in 9h 32m, 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
JetBluePriceFrom $454Free CancellationRating
7.3
2,910 reviews
Search JetBlue flights
British AirwaysPriceFrom $534Free CancellationRating
6.6
7,151 reviews
Search British Airways flights
Virgin AtlanticPriceFrom $554Free CancellationRating
7.4
655 reviews
Search Virgin Atlantic flights
American AirlinesPriceFrom $555Free CancellationRating
7.2
10,000 reviews
Search American Airlines flights
United AirlinesPriceFrom $581Free CancellationRating
7.4
8,864 reviews
Search United Airlines flights
DeltaPriceFrom $596Free CancellationRating
8.0
7,958 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
Slough
Dover
Luton
Croydon
Dartford
Guildford
Stansted
Milton Keynes
Hayes
Salisbury
Ilford
Swindon
Colchester
Stratford-upon-Avon
Chelmsford
Canterbury
Watford
Richmond

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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