Editing Heathrow Airport (section)

===Busiest routes===
{|class="wikitable sortable" style="width:align"
|+ Busiest international routes from LHR (2024)
! Rank 
! Destination
! Passengers
! Change 2023 / 24
|-
| 1
| {{flagicon | USA}} [[John F. Kennedy International Airport|New York–JFK, United States]]
| 3,238,557
| {{increase}} 5.4%
|-
| 2
| {{flagicon | UAE}} [[Dubai International Airport|Dubai, UAE]]
| 2,856,618
| {{increase}} 8.1%
|-
| 3
| {{flagicon | QAT}} [[Hamad International Airport|Doha, Qatar]] 
| 2,006,096
| {{increase}} 17.2%
|-
| 4
| {{flagicon | IRE}} [[Dublin Airport|Dublin, Ireland]] 
| 1,902,023
| {{increase}} 12.3%
|-
| 5
| {{flagicon | USA}} [[Los Angeles International Airport|Los Angeles, United States]] 
| 1,679,883
| {{increase}} 1.0%
|-
| 6
| {{flagicon | ESP}} [[Madrid-Barajas Airport|Madrid, Spain]]
| 1,549,602
| {{increase}} 5.3%
|-
| 7
| {{flagicon | SIN}} [[Changi Airport|Singapore–Changi, Singapore]] 
| 1,510,465
| {{increase}} 5.9%
|-
| 8
| {{flagicon | NED}} [[Amsterdam Airport Schiphol|Amsterdam, Netherlands]] 
| 1,460,574
| {{increase}} 5.4%
|-
| 9
| {{flagicon | IND}} [[Indira Gandhi International Airport|New Delhi, India]] 
| 1,438,046
| {{increase}} 12.0%
|-
| 10
| {{flagicon | GER}} [[Frankfurt Airport|Frankfurt, Germany]] 
| 1,418,172
| {{increase}} 6.4%
|-
| 11
| {{flagicon | GER}} [[Munich Airport|Munich, Germany]] 
| 1,309,796
| {{increase}} 4.5%
|-
| 12
| {{flagicon | TUR}} [[Istanbul Airport|Istanbul, Turkey]] 
| 1,294,030
| {{increase}} 6.4%
|-
| 13
| {{flagicon | UAE}} [[Zayed International Airport|Abu Dhabi, UAE]] 
| 1,197,342
| {{increase}} 30.78%
|-
| 14
| {{flagicon | Switzerland}} [[Zurich Airport|Zurich, Switzerland]] 
| 1,174,518
| {{increase}} 9.0%
|-
| 15
| {{flagicon | India}} [[Chhatrapati Shivaji Maharaj International Airport|Mumbai, India]] 
| 1,158,732
| {{increase}} 16.2%
|-
| 16
| {{flagicon | Canada}} [[Toronto Pearson International Airport|Toronto, Canada]] 
| 1,145,736
| {{increase}} 7.5%
|-
| 17
| {{flagicon | Hong Kong}} [[Hong Kong International Airport|Hong Kong]] 
| 1,135,962
| {{decrease}} 1.5%
|-
| 18
| {{flagicon | USA}} [[O'Hare International Airport|Chicago, United States]] 
| 1,132,812
| {{increase}} 2.4%
|-
| 19
| {{flagicon | France}} [[Charles de Gaulle Airport|Paris, France]] 
| 1,128,059
| {{increase}} 3.5%
|-
| 20
| {{flagicon | Portugal}} [[Humberto Delgado Airport|Lisbon, Portugal]] 
| 1,104,336
| {{increase}} 5.8%
|-  class="sortbottom"
| colspan="4" style="text-align:right;"| ''Source: [[Civil Aviation Authority (United Kingdom)|CAA Statistics]]''<ref name="auto1">{{Cite web |title=Annual airport data 2023 |url=https://www.caa.co.uk/data-and-analysis/uk-aviation-market/airports/uk-airport-data/uk-airport-data-2023/annual-2023/ |access-date=12 December 2024 |website=www.caa.co.uk |archive-date=26 March 2024 |archive-url=https://web.archive.org/web/20240326165259/https://www.caa.co.uk/data-and-analysis/uk-aviation-market/airports/uk-airport-data/uk-airport-data-2023/annual-2023/ |url-status=live }}</ref>
|}

{|class="wikitable sortable" style="width:align"
|+ Busiest domestic routes from LHR (2024)
! Rank 
! Destination
! Passengers
! Change 2023 / 24
|-
| 1
| {{flagicon | Scotland}} [[Edinburgh Airport|Edinburgh]] 
| 1,147,536
| {{increase}} 10.5%
|-
| 2
| {{flagicon | Scotland}} [[Glasgow Airport|Glasgow]] 
| 953,371
| {{increase}} 11.1%
|-
| 3
| {{flagicon | England}} [[Manchester Airport|Manchester]] 
| 629,227
| {{increase}} 8.9%
|-
| 4
| {{flagicon | Northern Ireland}} [[Belfast City Airport|Belfast-City]] 
| 585,479
| {{increase}} 3.8%
|-
| 5
| {{flagicon | Scotland}} [[Aberdeen Airport|Aberdeen]] 
| 569,470
| {{increase}} 12.5%
|-
| 6
| {{flagicon | England}} [[Newcastle International Airport|Newcastle upon Tyne]] 
| 497,469
| {{increase}} 13.6%
|-
| 7
| {{flagicon | Jersey}} [[Jersey Airport|Jersey]] 
| 334,885
| {{increase}} 0.0%
|-
| 8
| {{flagicon | Scotland}} [[Inverness Airport|Inverness]] 
| 160,215
| {{increase}} 0.7%
|-
| 19
| {{flagicon | Northern Ireland}} [[City of Derry Airport|Derry]] 
| 46,770
| {{increase}} 59.3%
|-
| 10
| {{flagicon | Isle of Man}} [[Isle of Man Airport|Isle of Man]] 
| 33,797
| {{increase}} 1.5%
|-  class="sortbottom"
| colspan="4" style="text-align:right;"| ''Source: [[Civil Aviation Authority (United Kingdom)|CAA Statistics]]''<ref name="auto2024">{{Cite web |title=Annual airport data 2024 |url=https://www.caa.co.uk/data-and-analysis/uk-aviation-market/airports/uk-airport-data/ |access-date=24 April 2025 |website=www.caa.co.uk |archive-date=26 March 2024 |archive-url=https://web.archive.org/web/20240326165259/https://www.caa.co.uk/data-and-analysis/uk-aviation-market/airports/uk-airport-data/ |url-status=live }}</ref>
|}