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Cheap flights from Buffalo to London from $321

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 8/20. 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.
Multiple Airlines Logo
2:48 pm - 10:00 am
BUF
-
LGW
38h 12m
2 stops
Multiple Airlines Logo
2:00 pm - 9:23 am
LGW
-
BUF
24h 23m
1 stop
$700Multiple Airlines
Mon, Aug 10 - Mon, Aug 24
Multiple Airlines Logo
7:57 pm - 10:00 am
BUF
-
LGW
33h 03m
1 stop
Multiple Airlines Logo
2:00 pm - 9:23 am
LGW
-
BUF
24h 23m
1 stop
$730Multiple Airlines
Mon, Aug 10 - Mon, Aug 24
JetBlue Logo
10:25 am - 6:30 am
BUF
-
LHR
15h 05m
1 stop
JetBlue Logo
8:40 am - 7:13 pm
LHR
-
BUF
15h 33m
1 stop
$791JetBlue
Wed, Sep 2 - Tue, Sep 8
JetBlue Logo
10:27 am - 9:35 am
BUF
-
LGW
18h 08m
1 stop
JetBlue Logo
12:20 pm - 11:43 pm
LGW
-
BUF
16h 23m
1 stop
$791JetBlue
Wed, Aug 19 - Wed, Aug 26
SWISS Logo
10:40 am - 7:55 am
BUF
-
LHR
16h 15m
2 stops
SWISS Logo
8:05 pm - 8:47 pm
LHR
-
BUF
29h 42m
2 stops
$826SWISS
Wed, Sep 30 - Tue, Oct 6
SWISS Logo
10:40 am - 7:55 am
BUF
-
LHR
16h 15m
2 stops
SWISS Logo
8:05 pm - 8:47 pm
LHR
-
BUF
29h 42m
2 stops
$827SWISS
Wed, Sep 30 - Tue, Oct 6
Delta Logo
3:53 pm - 9:30 am
BUF
-
LCY
12h 37m
2 stops
Delta Logo
7:45 am - 7:08 pm
LCY
-
BUF
16h 23m
2 stops
$963Delta
Wed, Aug 5 - Thu, Aug 20
Delta Logo
3:53 pm - 9:30 am
BUF
-
LCY
12h 37m
2 stops
Delta Logo
7:45 am - 7:19 pm
LCY
-
BUF
16h 34m
2 stops
$964Delta
Wed, Aug 5 - Thu, Aug 20
Turkish Airlines Logo
2:30 pm - 10:10 pm
BUF
-
STN
26h 40m
2 stops
Turkish Airlines Logo
5:35 pm - 7:01 pm
STN
-
BUF
30h 26m
2 stops
$964Turkish Airlines
Wed, Sep 30 - Sun, Oct 4
Turkish Airlines Logo
9:15 am - 4:40 pm
BUF
-
STN
26h 25m
2 stops
Turkish Airlines Logo
5:45 pm - 7:52 am
STN
-
BUF
19h 07m
2 stops
$1,076Turkish Airlines
Wed, Jul 22 - Wed, Jul 29

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United Airlines flights from Buffalo to London

Our best United Airlines deals on Buffalo to London flight tickets
United Airlines
Oct 8
BUF7:59 pmBuffalo
29h 56m
1 stop
LHR6:55 amLondon Heathrow
Oct 11
LHR6:50 amLondon Heathrow
17h 17m
2 stops
BUF7:07 pmBuffalo
$844
United Airlines
Sep 22
BUF10:53 amBuffalo
15h 22m
1 stop
LHR7:15 amLondon Heathrow
Sep 29
LHR6:50 amLondon Heathrow
17h 22m
2 stops
BUF7:12 pmBuffalo
$864
United Airlines
Nov 15
BUF10:30 amBuffalo
15h 10m
1 stop
LHR6:40 amLondon Heathrow
Nov 18
LHR6:50 amLondon Heathrow
18h 15m
2 stops
BUF8:05 pmBuffalo
$867

Aer Lingus flights from Buffalo to London

Our best Aer Lingus deals on Buffalo to London flight tickets
Aer Lingus
Jul 14
BUF3:55 pmBuffalo
15h 45m
2 stops
LHR12:40 pmLondon Heathrow
Jul 20
LHR9:10 pmLondon Heathrow
26h 16m
2 stops
BUF6:26 pmBuffalo
$1,211
Aer Lingus
Jul 17
BUF6:40 amBuffalo
21h 25m
2 stops
LHR9:05 amLondon Heathrow
Jul 31
LHR7:40 amLondon Heathrow
15h 46m
2 stops
BUF6:26 pmBuffalo
$1,267
Aer Lingus
Nov 4
BUF2:32 pmBuffalo
13h 03m
2 stops
LCY8:35 amLondon City
Nov 10
LCY6:50 amLondon City
17h 11m
2 stops
BUF7:01 pmBuffalo
$1,386

momondo Fare Finder

 
Customize your flight search to find flights from Buffalo to London 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 7, 2026.
Use the filters below to find and compare flights from Buffalo to London that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

BuffaloLondon

BUF - LGW

BUFLGW

Buffalo

Mon 8/10

2:48 pm-10:00 am

2 stops38h 12m

London Gatwick

Mon 8/24

2:00 pm-9:23 am

1 stop24h 23m

$700

BuffaloLondon

BUF - LGW

BUFLGW

Buffalo

Mon 8/10

7:57 pm-10:00 am

1 stop33h 03m

London Gatwick

Mon 8/24

2:00 pm-9:23 am

1 stop24h 23m

$730

BuffaloLondon

BUF - LHR

BUFLHR

Buffalo

Wed 9/2

10:25 am-6:30 am

1 stop15h 05m

London Heathrow

Tue 9/8

8:40 am-7:13 pm

1 stop15h 33m

$791

BuffaloLondon

BUF - LGW

BUFLGW

Buffalo

Wed 8/19

10:27 am-9:35 am

1 stop18h 08m

London Gatwick

Wed 8/26

12:20 pm-11:43 pm

1 stop16h 23m

$791

BuffaloLondon

BUF - LHR

BUFLHR

Buffalo

Wed 9/30

10:40 am-7:55 am

2 stops16h 15m

London Heathrow

Tue 10/6

8:05 pm-8:47 pm

2 stops29h 42m

$826

BuffaloLondon

BUF - LHR

BUFLHR

Buffalo

Wed 9/30

10:40 am-7:55 am

2 stops16h 15m

London Heathrow

Tue 10/6

8:05 pm-8:47 pm

2 stops29h 42m

$827
Quickest round-trip

BuffaloLondon

BUF - LCY

BUFLCY

Buffalo

Wed 8/5

3:53 pm-9:30 am

2 stops12h 37m

London City

Thu 8/20

7:45 am-7:08 pm

2 stops16h 23m

$963

BuffaloLondon

BUF - LCY

BUFLCY

Buffalo

Wed 8/5

3:53 pm-9:30 am

2 stops12h 37m

London City

Thu 8/20

7:45 am-7:19 pm

2 stops16h 34m

$964

BuffaloLondon

BUF - STN

BUFSTN

Buffalo

Wed 9/30

2:30 pm-10:10 pm

2 stops26h 40m

London Stansted

Sun 10/4

5:35 pm-7:01 pm

2 stops30h 26m

$964

BuffaloLondon

BUF - STN

BUFSTN

Buffalo

Wed 7/22

9:15 am-4:40 pm

2 stops26h 25m

London Stansted

Wed 7/29

5:45 pm-7:52 am

2 stops19h 07m

$1,076

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

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?

What is the cheapest month to fly to London?

The cheapest month to fly to London from Buffalo is in April. Flight prices, which tend to average around $88, are often lower during this time because this is during the off-season. The month of May is another great option to travel to London, with average flight prices from Buffalo averaging around $348.

How far in advance should I book a flight from Buffalo to London?

You are more likely to see cheaper flights to London from Buffalo when booking weeks ahead of your departure date. In general, you can expect to find flights to London for around $835 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to London from Buffalo for as low as $572 on momondo.

How have Buffalo to London flight prices changed over time?

When to book flights from Buffalo to London

Are you open to changing your travel dates? Check out the ideal times to fly from Buffalo to London according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap Buffalo to London (BUF to LON) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Buffalo to London

Fastest flight time

9h 45m

Direct flights

None
The fastest flight from Buffalo to London takes 9h 45m
There are no direct flights from Buffalo to London. There are no popular flight routes from Buffalo to London.
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Frequently asked questions about flying from Buffalo to London

  • How far is Buffalo to London by plane?

    London is 3560.7 mi away from Buffalo. A reasonable flight in good conditions will take 9h 45m.

  • When did momondo last update prices for flights from Buffalo Airport to London?

    Prices for flights from Buffalo Airport to London were last updated today.

  • How many operators does momondo search for flights from Buffalo Airport to London?

  • How old do you have to be to fly from Buffalo Airport to London?

    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.

  • What documentation or ID do you need to fly to London?

    The required travel and health documents for your London 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. 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?

Best airlines flying from Buffalo to London

Compare and see reviews for airlines that fly from Buffalo to London with momondo
Airline
Rating
Free Cancellation
Price
KLMPriceFrom $380Free CancellationRating
7.8
1,534 reviews
Search KLM flights
United AirlinesPriceFrom $451Free CancellationRating
7.4
9,945 reviews
Search United Airlines flights
American AirlinesPriceFrom $522Free CancellationRating
7.1
11,783 reviews
Search American Airlines flights
British AirwaysPriceFrom $523Free CancellationRating
6.7
8,099 reviews
Search British Airways flights
Virgin AtlanticPriceFrom $540Free CancellationRating
7.5
691 reviews
Search Virgin Atlantic flights
JetBluePriceFrom $640Free CancellationRating
7.1
3,009 reviews
Search JetBlue flights
DeltaPriceFrom $732Free CancellationRating
7.8
8,451 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
Harrow
Slough
Watford
Brentwood
Ilford
Cobham
Folkestone
Guildford
Romford
Uxbridge

Why use momondo?

Why should I use momondo to find a flight deal from Buffalo to London?

We help find the flight that best suits your needs, momondo compares prices from hundreds of airlines and travel agents and helps you filter them to find the best flight from Buffalo to London for you.

Can I find flights from Buffalo to London with flexible booking policies on momondo?

Yes. momondo enables you to select and highlight flights to London from Buffalo with this policy.

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?

Of course. momondo tracks the price of Buffalo to London flights. All you need is a valid email address and we will do the rest; it is that quick and easy.

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Find better results for your trip to the United Kingdom

Fly into one of these airports located in London

Airports listed have a maximum distance of 35.6 mi from London
London City Airport
London Gatwick Airport
London Heathrow Airport
London Luton Airport
London Southend Airport
London Stansted Airport