List of busiest passenger air routes
Rank City 1 City 2 Flights 2018 Flights 2017 Top carriers
1 Kuala Lumpur Singapore 30,537 29,383 Malaysia Airlines , Singapore Airlines , AirAsia , SilkAir , Jetstar Asia , Malindo Air , Scoot , Firefly , Saudia
2 Hong Kong Taipei 28,887 29,494 Cathay Pacific , China Airlines , EVA Airlines , Hong Kong Airlines , Cathay Dragon
3 Jakarta Singapore 27,304 26,872 Singapore Airlines , Garuda , Lion Air , Jetstar Asia , Indonesia AirAsia , Scoot , Batik Air
4 Hong Kong Shanghai-Pudong 21,888 20,818 Cathay Dragon , China Eastern Airlines , Hong Kong Airlines , Cathay Pacific
5 Jakarta Kuala Lumpur 19.849 20,890 Malaysia Airlines , AirAsia , Lion Air , Indonesia AirAsia , Malindo Airways , Garuda
6 Seoul-Incheon Osaka 17,488 Asiana Airlines , Korean Air , Jin Air , Jeju Airlines , Peach Aviation , Easter Jet , T'way Air
7 Hong Kong Seoul-Incheon 17,075 16,366 Cathay Pacific , Korean Air , HK Express , Asiana Airlines , Jeju Airlines , Thai Airways
8 New York-LaGuardia Toronto-Pearson 16,956 17,116 Air Canada , Westjet , American Airlines
9 Dubai-International Kuwait 15,332 13,297 Emirates , Flydubai , Kuwait Airways , Jazeera Airways
10 Hong Kong Singapore 15,029 14,162 Cathay Pacific Airways , Singapore Airlines , Scoot , Jetstar Asia
11 Bangkok Singapore 14,859 14,455 Singapore Airlines , Thai Airways , Scoot , Jetstar Asia , Cathay Pacific
12 Bangkok Hong Kong 14,832 14,406 Cathay Pacific , Thai Airways , Hong Kong Airlines , Emirates
13 Hong Kong Beijing 14,543 14,592 Cathay Dragon , Air China , Hong Kong Airlines , Cathay Pacific , China Southern Airlines
14 Dublin London-Heathrow 14,390 14,556 Aer Lingus , British Airways ,
15 Tokyo-Narita Taipei 14,186 China Airlines , EVA Airways , Peach Aviation , Tigerair Taiwan , Japan Airlines , Cathay Pacific
16 New York-JFK London-Heathrow 13,888 14,218 British Airways , Virgin Atlantic , American Airlines , Delta Air
17 Osaka Shanghai-Pudong 13,576 China Eastern Airlines , Air China , Juneyao Airlines , All Nippon Airways , Spring Airlines
18 Seoul-Incheon Tokyo-Narita 13,517 Asiana Airlines , Korean Air , Jeju Airlines , Eastar Jet , Jin Air , T'way Air , Japan Airlines
19 Amsterdam London-Heathrow 13,170 13,220 KLM , British Airways
20 Chicago Toronto 13,100 13,595 Air Canada , United Airlines , American Airlines
By aircraft movements -- International
These are lists of the busiest air routes by the number of passengers flown, by seat capacity and by aircraft movements.