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Cheap flights from Buffalo to London 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 departing on 9/8. 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
1 adult, Economy, 0 bags

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from Buffalo to London

Cheap round-trip flights

Enter your travel dates to find the best prices.
JetBlue Logo
3:55 pm - 9:30 am
BUF
-
LHR
12h 35m
1 stop
JetBlue Logo
8:40 am - 6:15 pm
LHR
-
BUF
14h 35m
1 stop
$794JetBlue
Wed, Aug 19 - Thu, Sep 3
JetBlue Logo
3:52 pm - 9:30 am
BUF
-
LHR
12h 38m
1 stop
JetBlue Logo
8:15 am - 6:51 pm
LHR
-
BUF
15h 36m
1 stop
$795JetBlue
Tue, Sep 1 - Tue, Sep 8
Multiple Airlines Logo
3:53 pm - 7:15 am
BUF
-
LHR
10h 22m
1 stop
Multiple Airlines Logo
8:40 am - 8:24 pm
LHR
-
BUF
16h 44m
1 stop
$796Multiple Airlines
Sun, Aug 23 - Mon, Sep 14
JetBlue Logo
10:27 am - 6:30 am
BUF
-
LHR
15h 03m
1 stop
JetBlue Logo
8:15 am - 7:50 am
LHR
-
BUF
28h 35m
1 stop
$803JetBlue
Sat, Aug 29 - Sat, Sep 5
JetBlue Logo
6:00 am - 6:30 am
BUF
-
LHR
19h 30m
1 stop
JetBlue Logo
8:40 am - 6:14 pm
LHR
-
BUF
14h 34m
1 stop
$804JetBlue
Sat, Aug 29 - Sat, Sep 5
JetBlue Logo
10:27 am - 6:30 am
BUF
-
LHR
15h 03m
1 stop
JetBlue Logo
8:15 am - 2:36 pm
LHR
-
BUF
11h 21m
1 stop
$805JetBlue
Mon, Aug 31 - Mon, Sep 7
Multiple Airlines Logo
3:54 pm - 7:10 am
BUF
-
LHR
10h 16m
1 stop
Multiple Airlines Logo
11:55 am - 7:36 am
LHR
-
BUF
24h 41m
1 stop
$806Multiple Airlines
Mon, Aug 3 - Mon, Aug 24
JetBlue Logo
8:02 pm - 8:45 pm
BUF
-
LHR
19h 43m
1 stop
JetBlue Logo
8:40 am - 8:24 pm
LHR
-
BUF
16h 44m
1 stop
$807JetBlue
Tue, Aug 18 - Wed, Sep 16
JetBlue Logo
6:00 am - 6:30 am
BUF
-
LHR
19h 30m
1 stop
JetBlue Logo
8:40 am - 6:09 pm
LHR
-
BUF
14h 29m
1 stop
$823JetBlue
Fri, Aug 28 - Fri, Sep 4
JetBlue Logo
3:55 pm - 9:30 am
BUF
-
LHR
12h 35m
1 stop
JetBlue Logo
11:55 am - 12:13 am
LHR
-
BUF
17h 18m
1 stop
$826JetBlue
Thu, Aug 13 - Mon, Aug 24

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JetBlue flights from Buffalo to London Heathrow Airport

Our best JetBlue deals on Buffalo to London Heathrow Airport flight tickets
JetBlue
Sep 1
BUF3:52 pmBuffalo
12h 38m
1 stop
LHR9:30 amLondon Heathrow
Sep 8
LHR8:15 amLondon Heathrow
15h 36m
1 stop
BUF6:51 pmBuffalo
$795
JetBlue
Aug 29
BUF10:27 amBuffalo
15h 03m
1 stop
LHR6:30 amLondon Heathrow
Sep 5
LHR8:15 amLondon Heathrow
28h 35m
1 stop
BUF7:50 amBuffalo
$803
JetBlue
Aug 29
BUF6:00 amBuffalo
19h 30m
1 stop
LHR6:30 amLondon Heathrow
Sep 5
LHR8:40 amLondon Heathrow
14h 34m
1 stop
BUF6:14 pmBuffalo
$804

Air Canada flights from Buffalo to London Heathrow Airport

Our best Air Canada deals on Buffalo to London Heathrow Airport flight tickets
Air Canada
Oct 4
BUF7:00 amBuffalo
22h 00m
2 stops
LHR10:00 amLondon Heathrow
Oct 14
LHR2:10 pmLondon Heathrow
31h 33m
2 stops
BUF4:43 pmBuffalo
$876
Air Canada
Oct 3
BUF5:45 pmBuffalo
33h 50m
2 stops
LHR8:35 amLondon Heathrow
Oct 14
LHR2:10 pmLondon Heathrow
31h 33m
2 stops
BUF4:43 pmBuffalo
$880

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 July 19, 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 8/19

3:55 pm-9:30 am

1 stop12h 35m

London Heathrow

Thu 9/3

8:40 am-6:15 pm

1 stop14h 35m

$794

BuffaloLondon

BUF - LHR

BUFLHR

Buffalo

Tue 9/1

3:52 pm-9:30 am

1 stop12h 38m

London Heathrow

Tue 9/8

8:15 am-6:51 pm

1 stop15h 36m

$795

BuffaloLondon

BUF - LHR

BUFLHR

Buffalo

Sun 8/23

3:53 pm-7:15 am

1 stop10h 22m

London Heathrow

Mon 9/14

8:40 am-8:24 pm

1 stop16h 44m

$796

BuffaloLondon

BUF - LHR

BUFLHR

Buffalo

Sat 8/29

10:27 am-6:30 am

1 stop15h 03m

London Heathrow

Sat 9/5

8:15 am-7:50 am

1 stop28h 35m

$803

BuffaloLondon

BUF - LHR

BUFLHR

Buffalo

Sat 8/29

6:00 am-6:30 am

1 stop19h 30m

London Heathrow

Sat 9/5

8:40 am-6:14 pm

1 stop14h 34m

$804
Quickest round-trip

BuffaloLondon

BUF - LHR

BUFLHR

Buffalo

Mon 8/31

10:27 am-6:30 am

1 stop15h 03m

London Heathrow

Mon 9/7

8:15 am-2:36 pm

1 stop11h 21m

$805

BuffaloLondon

BUF - LHR

BUFLHR

Buffalo

Mon 8/3

3:54 pm-7:10 am

1 stop10h 16m

London Heathrow

Mon 8/24

11:55 am-7:36 am

1 stop24h 41m

$806

BuffaloLondon

BUF - LHR

BUFLHR

Buffalo

Tue 8/18

8:02 pm-8:45 pm

1 stop19h 43m

London Heathrow

Wed 9/16

8:40 am-8:24 pm

1 stop16h 44m

$807

BuffaloLondon

BUF - LHR

BUFLHR

Buffalo

Fri 8/28

6:00 am-6:30 am

1 stop19h 30m

London Heathrow

Fri 9/4

8:40 am-6:09 pm

1 stop14h 29m

$823

BuffaloLondon

BUF - LHR

BUFLHR

Buffalo

Thu 8/13

3:55 pm-9:30 am

1 stop12h 35m

London Heathrow

Mon 8/24

11:55 am-12:13 am

1 stop17h 18m

$826

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 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 September is, on average, the cheapest month to fly to London Heathrow Airport from Buffalo, with most prices found around $632. 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 $658.

How far in advance should I book a flight from Buffalo 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 $844 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 $626 on momondo.

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 35m

Direct flights

None
The fastest flight from Buffalo to London Heathrow Airport takes 9h 35m
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

Frequently asked questions about flying from Buffalo to 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 35m, 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
KLMPriceFrom $380Free CancellationRating
7.8
1,541 reviews
Search KLM flights
United AirlinesPriceFrom $451Free CancellationRating
7.4
10,013 reviews
Search United Airlines flights
American AirlinesPriceFrom $522Free CancellationRating
7.1
11,823 reviews
Search American Airlines flights
British AirwaysPriceFrom $523Free CancellationRating
6.7
8,125 reviews
Search British Airways flights
Virgin AtlanticPriceFrom $540Free CancellationRating
7.5
693 reviews
Search Virgin Atlantic flights
JetBluePriceFrom $640Free CancellationRating
7.1
3,011 reviews
Search JetBlue flights
DeltaPriceFrom $732Free CancellationRating
7.8
8,477 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
Milton Keynes
Luton
Hayes
Dover
Crawley
Wembley
Croydon
Stansted
Stratford-upon-Avon
Kingston upon Thames
Watford
Slough
Harrow
Brentwood
Cobham
Romford
Uxbridge
Guildford

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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