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Cheap flights from Buffalo to London Heathrow Airport from $319

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 Heathrow Airport departing on 5/4. 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

KAYAK's recommended round-trip deals from the most popular airlines that fly from Buffalo to London.
JetBlue Logo
11:19 am - 9:30 amBUF-LHR
17h 11m1 stop
JetBlue Logo
8:15 am - 7:08 pmLHR-BUF
15h 53m1 stop
$593JetBlue
Find Deal
Sat, Apr 19 - Sun, Apr 27
Delta Logo
6:45 pm - 1:30 pmBUF-LHR
13h 45m1 stop
Delta Logo
11:30 am - 12:27 amLHR-BUF
17h 57m2 stops
$595Delta
Find Deal
Wed, Apr 16 - Wed, Apr 23
Delta Logo
7:59 pm - 11:00 amBUF-LHR
10h 01m1 stop
Delta Logo
8:40 am - 11:00 pmLHR-BUF
19h 20m2 stops
$596Delta
Find Deal
Tue, Apr 15 - Tue, Apr 22
Virgin Atlantic Logo
6:45 pm - 1:30 pmBUF-LHR
13h 45m1 stop
Virgin Atlantic Logo
6:15 am - 11:00 pmLHR-BUF
21h 45m2 stops
$635Virgin Atlantic
Find Deal
Thu, Apr 17 - Tue, Apr 22
JetBlue Logo
3:55 pm - 9:30 amBUF-LHR
12h 35m1 stop
JetBlue Logo
8:15 am - 7:21 pmLHR-BUF
16h 06m1 stop
$638JetBlue
Find Deal
Sat, Sep 13 - Fri, Sep 26
Virgin Atlantic Logo
6:45 pm - 1:30 pmBUF-LHR
13h 45m1 stop
Virgin Atlantic Logo
9:20 am - 5:40 pmLHR-BUF
13h 20m1 stop
$643Virgin Atlantic
Find Deal
Thu, Apr 17 - Tue, Apr 22
British Airways Logo
4:56 pm - 11:00 amBUF-LHR
13h 04m1 stop
British Airways Logo
1:10 pm - 8:18 pmLHR-BUF
12h 08m1 stop
$681British Airways
Find Deal
Sun, Apr 27 - Wed, May 14
United Airlines Logo
7:45 pm - 6:55 amBUF-LHR
30h 10m1 stop
United Airlines Logo
8:30 am - 9:11 pmLHR-BUF
17h 41m1 stop
$713United Airlines
Find Deal
Mon, Apr 14 - Tue, Apr 22
British Airways Logo
1:38 pm - 12:00 pmBUF-LHR
17h 22m2 stops
British Airways Logo
7:40 pm - 8:12 pmLHR-BUF
29h 32m2 stops
$725British Airways
Find Deal
Wed, Aug 20 - Thu, Aug 28
United Airlines Logo
2:44 pm - 6:55 amBUF-LHR
11h 11m1 stop
United Airlines Logo
3:50 pm - 4:47 pmLHR-BUF
29h 57m2 stops
$727United Airlines
Find Deal
Wed, Aug 20 - Thu, Aug 28

JetBlue flights from Buffalo to London Heathrow Airport

Our best JetBlue deals on Buffalo to London Heathrow Airport flight tickets
JetBlue
Apr 19
BUF11:19 amBuffalo
17h 11m
1 stop
LHR9:30 amLondon Heathrow
Apr 27
LHR8:15 amLondon Heathrow
15h 53m
1 stop
BUF7:08 pmBuffalo
JetBlue
Apr 3
BUF9:20 amBuffalo
16h 10m
1 stop
LHR6:30 amLondon Heathrow
Nov 15
LHR12:20 pmLondon Heathrow
14h 11m
1 stop
BUF9:31 pmBuffalo
JetBlue
Sep 13
BUF3:55 pmBuffalo
12h 35m
1 stop
LHR9:30 amLondon Heathrow
Sep 26
LHR8:15 amLondon Heathrow
16h 06m
1 stop
BUF7:21 pmBuffalo

Delta flights from Buffalo to London Heathrow Airport

Our best Delta deals on Buffalo to London Heathrow Airport flight tickets
Delta
Apr 16
BUF6:45 pmBuffalo
13h 45m
1 stop
LHR1:30 pmLondon Heathrow
Apr 23
LHR11:30 amLondon Heathrow
17h 57m
2 stops
BUF12:27 amBuffalo
Delta
Apr 15
BUF7:59 pmBuffalo
10h 01m
1 stop
LHR11:00 amLondon Heathrow
Apr 22
LHR8:40 amLondon Heathrow
19h 20m
2 stops
BUF11:00 pmBuffalo
Delta
Apr 16
BUF5:59 pmBuffalo
14h 11m
2 stops
LHR1:10 pmLondon Heathrow
Apr 23
LHR6:15 amLondon Heathrow
16h 03m
2 stops
BUF5:18 pmBuffalo

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 October is, on average, the cheapest month to fly to London Heathrow Airport from Buffalo, with most prices found around $636. If you’re not able to fly to London Heathrow Airport in October, then February is your next best option. Flight prices from Buffalo to London Heathrow Airport during February average around $642.

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 14 weeks ahead of your departure date. In general, you can expect to find flights to London Heathrow Airport for around $790 when searching 14 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 $641 on momondo.

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

As of April 2025, prices for Buffalo to London Heathrow Airport flights are approximately 2% 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

$319

Fastest flight time

9h 40m

Direct flights

None
The best one-way flight to London Heathrow Airport from Buffalo in the past 72 hours is $319. The best round-trip flight deal from Buffalo to London Heathrow Airport found on momondo in the last 72 hours is $593.
The fastest flight from Buffalo to London Heathrow Airport takes 9h 40m
There are no direct flights from Buffalo to London Heathrow Airport. Popular non-direct route for this connection is Buffalo Airport - London Heathrow Airport.

  • 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
JetBluePriceFrom $454Free CancellationRating
7.3
2,922 reviews
Search JetBlue flights
Virgin AtlanticPriceFrom $554Free CancellationRating
7.4
637 reviews
Search Virgin Atlantic flights
American AirlinesPriceFrom $554Free CancellationRating
7.2
10,000 reviews
Search American Airlines flights
British AirwaysPriceFrom $555Free CancellationRating
6.6
6,715 reviews
Search British Airways flights
United AirlinesPriceFrom $581Free CancellationRating
7.4
8,616 reviews
Search United Airlines flights
DeltaPriceFrom $596Free CancellationRating
8.0
7,898 reviews
Search Delta flights

Traveling to a place near London?

Book flights to London if you plan to visit one of these locations
Hounslow
Gatwick
Croydon
Luton
Guildford
Hayes
Slough
Dartford
Stansted
Ilford
Salisbury
Swindon
Dover
Canterbury
Colchester
Milton Keynes
Horley
Wembley
Chelmsford
Eastbourne

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.


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