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Cheap flights from London Heathrow Airport to Buffalo from $427

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from London Heathrow Airport to Buffalo departing on 4/21. 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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Find the cheapest flights from London Heathrow Airport to Buffalo

Cheap round-trip flights

Enter your travel dates to find the best prices.
JetBlue Logo
8:05 am - 6:35 pm
LHR
-
BUF
14h 30m
1 stop
JetBlue Logo
1:32 pm - 6:55 am
BUF
-
LHR
13h 23m
1 stop
$492JetBlue
Mon, Mar 9 - Fri, Mar 20
JetBlue Logo
9:20 am - 9:25 pm
LHR
-
BUF
17h 05m
1 stop
JetBlue Logo
6:00 am - 8:45 pm
BUF
-
LHR
9h 45m
1 stop
$605JetBlue
Thu, Feb 26 - Mon, Mar 2
JetBlue Logo
7:25 am - 6:35 pm
LHR
-
BUF
16h 10m
1 stop
JetBlue Logo
6:00 am - 8:45 pm
BUF
-
LHR
9h 45m
1 stop
$607JetBlue
Thu, Feb 26 - Mon, Mar 2
JetBlue Logo
7:25 am - 2:17 pm
LHR
-
BUF
11h 52m
1 stop
JetBlue Logo
3:00 pm - 9:30 am
BUF
-
LHR
13h 30m
1 stop
$609JetBlue
Thu, Feb 19 - Sun, Feb 22
JetBlue Logo
9:20 am - 9:30 pm
LHR
-
BUF
17h 10m
1 stop
JetBlue Logo
8:00 am - 6:55 am
BUF
-
LHR
17h 55m
1 stop
$614JetBlue
Sat, Feb 14 - Fri, Feb 20
JetBlue Logo
9:20 am - 9:30 pm
LHR
-
BUF
17h 10m
1 stop
JetBlue Logo
1:59 pm - 6:55 am
BUF
-
LHR
11h 56m
1 stop
$618JetBlue
Sat, Feb 21 - Sun, Mar 1
JetBlue Logo
12:20 pm - 11:32 pm
LHR
-
BUF
15h 12m
1 stop
JetBlue Logo
9:52 am - 6:55 am
BUF
-
LHR
17h 03m
1 stop
$631JetBlue
Sun, Mar 8 - Sun, Mar 15
JetBlue Logo
8:15 am - 6:44 pm
LHR
-
BUF
15h 29m
1 stop
JetBlue Logo
12:25 pm - 9:30 am
BUF
-
LHR
16h 05m
1 stop
$738JetBlue
Fri, May 8 - Fri, May 15
JetBlue Logo
8:15 am - 8:06 am
LHR
-
BUF
28h 51m
1 stop
JetBlue Logo
7:02 pm - 8:45 pm
BUF
-
LHR
20h 43m
1 stop
$743JetBlue
Sun, Apr 12 - Sun, Apr 19
JetBlue Logo
8:15 am - 8:06 am
LHR
-
BUF
28h 51m
1 stop
JetBlue Logo
7:02 pm - 8:45 pm
BUF
-
LHR
20h 43m
1 stop
$749JetBlue
Sun, Apr 12 - Sun, Apr 19

JetBlue flights from London Heathrow Airport to Buffalo

Our best JetBlue deals on London Heathrow Airport to Buffalo flight tickets
JetBlue
Mar 9
LHR8:05 amLondon Heathrow
14h 30m
1 stop
BUF6:35 pmBuffalo
Mar 20
BUF1:32 pmBuffalo
13h 23m
1 stop
LHR6:55 amLondon Heathrow
$492
JetBlue
Feb 26
LHR9:20 amLondon Heathrow
17h 05m
1 stop
BUF9:25 pmBuffalo
Mar 2
BUF6:00 amBuffalo
9h 45m
1 stop
LHR8:45 pmLondon Heathrow
$605
JetBlue
Feb 26
LHR7:25 amLondon Heathrow
16h 10m
1 stop
BUF6:35 pmBuffalo
Mar 2
BUF6:00 amBuffalo
9h 45m
1 stop
LHR8:45 pmLondon Heathrow
$607

United Airlines flights from London Heathrow Airport to Buffalo

Our best United Airlines deals on London Heathrow Airport to Buffalo flight tickets
United Airlines
May 11
LHR10:50 amLondon Heathrow
17h 54m
2 stops
BUF11:44 pmBuffalo
May 22
BUF6:00 amBuffalo
10h 35m
1 stop
LHR9:35 pmLondon Heathrow
$831
United Airlines
Mar 24
LHR11:10 amLondon Heathrow
16h 46m
2 stops
BUF11:56 pmBuffalo
Mar 31
BUF6:00 amBuffalo
10h 35m
1 stop
LHR9:35 pmLondon Heathrow
$849
United Airlines
Mar 7
LHR3:10 pmLondon Heathrow
13h 25m
1 stop
BUF11:35 pmBuffalo
Mar 14
BUF7:30 pmBuffalo
11h 20m
1 stop
LHR10:50 amLondon Heathrow
$882

momondo Fare Finder

 
Customize your flight search to find flights from London Heathrow Airport to Buffalo 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 February 8, 2026.
Use the filters below to find and compare flights from London Heathrow Airport to Buffalo that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

LondonBuffalo

LHR - BUF

LHRBUF

London Heathrow

Mon 3/9

8:05 am-6:35 pm

1 stop14h 30m

Buffalo

Fri 3/20

1:32 pm-6:55 am

1 stop13h 23m

$492

LondonBuffalo

LHR - BUF

LHRBUF

London Heathrow

Thu 2/26

9:20 am-9:25 pm

1 stop17h 05m

Buffalo

Mon 3/2

6:00 am-8:45 pm

1 stop9h 45m

$605

LondonBuffalo

LHR - BUF

LHRBUF

London Heathrow

Thu 2/26

7:25 am-6:35 pm

1 stop16h 10m

Buffalo

Mon 3/2

6:00 am-8:45 pm

1 stop9h 45m

$607

LondonBuffalo

LHR - BUF

LHRBUF

London Heathrow

Thu 2/19

7:25 am-2:17 pm

1 stop11h 52m

Buffalo

Sun 2/22

3:00 pm-9:30 am

1 stop13h 30m

$609

LondonBuffalo

LHR - BUF

LHRBUF

London Heathrow

Sat 2/14

9:20 am-9:30 pm

1 stop17h 10m

Buffalo

Fri 2/20

8:00 am-6:55 am

1 stop17h 55m

$614

LondonBuffalo

LHR - BUF

LHRBUF

London Heathrow

Sat 2/21

9:20 am-9:30 pm

1 stop17h 10m

Buffalo

Sun 3/1

1:59 pm-6:55 am

1 stop11h 56m

$618

LondonBuffalo

LHR - BUF

LHRBUF

London Heathrow

Sun 3/8

12:20 pm-11:32 pm

1 stop15h 12m

Buffalo

Sun 3/15

9:52 am-6:55 am

1 stop17h 03m

$631

LondonBuffalo

LHR - BUF

LHRBUF

London Heathrow

Fri 5/8

8:15 am-6:44 pm

1 stop15h 29m

Buffalo

Fri 5/15

12:25 pm-9:30 am

1 stop16h 05m

$738

LondonBuffalo

LHR - BUF

LHRBUF

London Heathrow

Sun 4/12

8:15 am-8:06 am

1 stop28h 51m

Buffalo

Sun 4/19

7:02 pm-8:45 pm

1 stop20h 43m

$743

LondonBuffalo

LHR - BUF

LHRBUF

London Heathrow

Sun 4/12

8:15 am-8:06 am

1 stop28h 51m

Buffalo

Sun 4/19

7:02 pm-8:45 pm

1 stop20h 43m

$749

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 Buffalo from

How to get the cheapest flight ticket from London Heathrow Airport to Buffalo

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 Buffalo?

If you aren’t able to travel during the month of January, then book flights to Buffalo from London Heathrow Airport during September instead. Flights to Buffalo in September, while not as cheap as those in January, still average around $723.

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

You are more likely to see cheaper flights to Buffalo from London Heathrow Airport when booking weeks ahead of your departure date. In general, you can expect to find flights to Buffalo for around $802 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Buffalo from London Heathrow Airport for as low as $639 on momondo.

Can stopping save me money on London Heathrow Airport to Buffalo flights?

You could potentially save up to 40% on your flight if you consider stops on a London Heathrow Airport to Buffalo flight.

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

As of February 2026, prices for London Heathrow Airport to Buffalo flights are approximately 38% more expensive when compared to flights at the same time last year.

When to book flights from London Heathrow Airport to Buffalo

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

Cheap London Heathrow Airport to Buffalo (LHR to BUF) flight deals and tips

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

Fastest flight time

14h 30m

Direct flights

None
The fastest flight from London Heathrow Airport to Buffalo takes 14h 30m
There are no direct flights from London Heathrow Airport to Buffalo. There are no popular flight routes from London Heathrow Airport to Buffalo.
Search flight deals

  • How far is London Heathrow to Buffalo by plane?

    The straight-line distance from London Heathrow to Buffalo is 3548.4 mi. Typically, this will take 14h 30m by plane in normal conditions.

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

    Prices for flights from London Heathrow Airport to Buffalo Airport are updated daily.

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

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

    Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from London Heathrow Airport to Buffalo Airport.

  • What documentation or ID do you need to fly to Buffalo Airport?

    The required travel and health documents for your Buffalo 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 Buffalo 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 London Heathrow Airport to Buffalo?

Best airlines flying from London Heathrow Airport to Buffalo

Compare and see reviews for airlines that fly from London Heathrow Airport to Buffalo with momondo
Airline
Rating
Free Cancellation
Price
JetBluePriceFrom $56Free CancellationRating
7.2
2,896 reviews
Search JetBlue flights

Traveling to a place near Buffalo?

Book flights to Buffalo if you plan to visit one of these locations
Batavia
Cheektowaga
Amherst
Grand Island
Tonawanda
Williamsville
Orchard Park
Lockport
West Seneca
Bowmansville
East Aurora
Eden
Angola

Why use momondo?

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

Finding the right flight to Buffalo from London is quick and easy when you have a range of options in front of you, from reputable agents and recognisable airlines. Options that can then be filtered down to find the best fit. That is what momondo does. We make finding flights to Buffalo quick and easy, saving you time and money.

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

momondo does allow users to show only those flights to Buffalo from London which offer a flexible booking policy as well as other useful filters and features.

How can momondo help me find flights from London to Buffalo?

momondo offers useful filters to help you find the right flight. Choose specific flight times, airports or even what payment method you prefer. We have numerous options to help you book your ideal flight from London to Buffalo.

I’m not ready to book a flight from London to Buffalo right now. Can momondo alert me if prices change?

Price alerts on flights to Buffalo from London are quick and easy to set up on momondo. Simply perform a search and select the price alert feature. It is as simple as that.

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