Top 100 busiest international airline routes

- by number of daily departures

UPDATED 2026-06-07

This is a list of the 100 busiest international (flights between countries) airline routes in the world. The list is based on scheduled passenger flights only and is ordered by number of departures. The number of passengers are not counted (and would differ alot depending on aircraft capacity).
Please note that scheduled flights with helicopters are also included, like the Nice - Monaco route.

 
From: To:
1
Osaka (KIX) Seoul (ICN) 35 flights every day
2
Seoul (ICN) Osaka (KIX) 35 flights every day
3
Kuala Lumpur (KUL) Singapore (SIN) 34 flights every day
4
Tokyo (NRT) Seoul (ICN) 34 flights every day
5
Seoul (ICN) Tokyo (NRT) 33 flights every day
6
Singapore (SIN) Kuala Lumpur (KUL) 33 flights every day
7
Jakarta (CGK) Singapore (SIN) 31 flights every day
8
Singapore (SIN) Jakarta (CGK) 31 flights every day
9
Taipei (TPE) Hong Kong (HKG) 29 flights every day
10
Hongkong (HKG) Taipei (TPE) 29 flights every day
11
Saint Barthelemy (SBH) Sint Maarten (SXM) 26 flights every day
12
Philipsburg (SXM) Saint Barthelemy (SBH) 26 flights every day
13
Fukuoka (FUK) Seoul (ICN) 24 flights every day
14
Jeddah (JED) Cairo (CAI) 24 flights every day
15
Seoul (ICN) Fukuoka (FUK) 24 flights every day
16
Monaco (MCM) Nice (NCE) 23 flights every day
17
Nice (NCE) Monte Carlo (MCM) 23 flights every day
18
Kairo (CAI) Jeddah (JED) 23 flights every day
19
Toronto (YYZ) New York (LGA) 21 flights every day
20
New York (LGA) Toronto (YYZ) 21 flights every day
21
New York (JFK) London (LHR) 20 flights every day
22
London (LHR) New York (JFK) 20 flights every day
23
Tokyo (NRT) Taipei (TPE) 20 flights every day
24
Taipei (TPE) Tokyo (NRT) 20 flights every day
25
Kuala Lumpur (KUL) Jakarta (CGK) 20 flights every day
26
Jakarta (CGK) Kuala Lumpur (KUL) 19 flights every day
27
Riyadh (RUH) Cairo (CAI) 18 flights every day
28
Kairo (CAI) Riyadh (RUH) 18 flights every day
29
San Juan (SJU) Orlando (MCO) 18 flights every day
30
Orlando (MCO) San Juan (SJU) 17 flights every day
31
Hongkong (HKG) Seoul (ICN) 17 flights every day
32
Osaka (KIX) Taipei (TPE) 17 flights every day
33
Dublin (DUB) London (LHR) 17 flights every day
34
Taipei (TPE) Osaka (KIX) 17 flights every day
35
London (LHR) Dublin (DUB) 17 flights every day
36
Seoul (ICN) Hong Kong (HKG) 17 flights every day
37
Bangkok (BKK) Singapore (SIN) 17 flights every day
38
Singapore (SIN) Bangkok (BKK) 17 flights every day
39
Denpasar (DPS) Singapore (SIN) 16 flights every day
40
Singapore (SIN) Denpasar (DPS) 16 flights every day
41
Hongkong (HKG) Shanghai (PVG) 16 flights every day
42
Chicago (ORD) Toronto (YYZ) 16 flights every day
43
Shanghai (PVG) Hong Kong (HKG) 16 flights every day
44
Toronto (YYZ) Chicago (ORD) 16 flights every day
45
Tokyo (NRT) Hong Kong (HKG) 16 flights every day
46
Hongkong (HKG) Tokyo (NRT) 15 flights every day
47
Seoul (ICN) Qingdao (TAO) 15 flights every day
48
Qingdao (TAO) Seoul (ICN) 15 flights every day
49
Bangkok (BKK) Taipei (TPE) 15 flights every day
50
Köpenhamn (CPH) Oslo (OSL) 15 flights every day
51
Taipei (TPE) Bangkok (BKK) 15 flights every day
52
Osaka (KIX) Hong Kong (HKG) 15 flights every day
53
Oslo (OSL) Copenhagen (CPH) 14 flights every day
54
Shanghai (PVG) Seoul (ICN) 14 flights every day
55
Seoul (ICN) Shanghai (PVG) 14 flights every day
56
Hongkong (HKG) Osaka (KIX) 14 flights every day
57
Seattle (SEA) Vancouver (YVR) 14 flights every day
58
Rom (FCO) Madrid (MAD) 14 flights every day
59
Bangkok (BKK) Hong Kong (HKG) 14 flights every day
60
Bangkok (BKK) Guangzhou (CAN) 14 flights every day
61
Guangzhou (CAN) Bangkok (BKK) 14 flights every day
62
Madrid (MAD) Rome (FCO) 14 flights every day
63
Manchester (MAN) Dublin (DUB) 14 flights every day
64
Dublin (DUB) Manchester (MAN) 13 flights every day
65
Hongkong (HKG) Bangkok (BKK) 13 flights every day
66
Shanghai (PVG) Singapore (SIN) 13 flights every day
67
Vancouver (YVR) Seattle (SEA) 13 flights every day
68
Singapore (SIN) Shanghai (PVG) 13 flights every day
69
Palma De Mallorca (PMI) Dusseldorf (DUS) 13 flights every day
70
Dusseldorf (DUS) Palma de Mallorca (PMI) 13 flights every day
71
Hongkong (HKG) Manila (MNL) 13 flights every day
72
Manila (MNL) Hong Kong (HKG) 13 flights every day
73
Dublin (DUB) Edinburgh (EDI) 13 flights every day
74
Edinburgh (EDI) Dublin (DUB) 13 flights every day
75
Osaka (KIX) Shanghai (PVG) 13 flights every day
76
Paris (ORY) Madrid (MAD) 13 flights every day
77
Madrid (MAD) Lisbon (LIS) 13 flights every day
78
Shanghai (PVG) Osaka (KIX) 13 flights every day
79
Köpenhamn (CPH) Stockholm (ARN) 13 flights every day
80
Stockholm (ARN) Copenhagen (CPH) 13 flights every day
81
Dubai (DXB) Mumbai (BOM) 13 flights every day
82
Wien (VIE) Frankfurt (FRA) 13 flights every day
83
Kimhae (PUS) Taipei (TPE) 13 flights every day
84
Mumbai (BOM) Dubai (DXB) 13 flights every day
85
Bogota (BOG) Panama City (PTY) 13 flights every day
86
Okinawa (OKA) Taipei (TPE) 12 flights every day
87
Taipei (TPE) Okinawa (OKA) 12 flights every day
88
Taipei (TPE) Busan (PUS) 12 flights every day
89
Peking (PEK) Hong Kong (HKG) 12 flights every day
90
London (LHR) Amsterdam (AMS) 12 flights every day
91
Madrid (MAD) Paris (ORY) 12 flights every day
92
Hongkong (HKG) Beijing (PEK) 12 flights every day
93
Harare (HRE) Johannesburg (JNB) 12 flights every day
94
Johannesburg (JNB) Harare (HRE) 12 flights every day
95
Seoul (GMP) Tokyo (HND) 12 flights every day
96
Tokyo (HND) Seoul (GMP) 12 flights every day
97
Amsterdam (AMS) London (LHR) 12 flights every day
98
Manila (MNL) Singapore (SIN) 12 flights every day
99
Frankfurt (FRA) Vienna (VIE) 12 flights every day
100
Delhi (DEL) Dubai (DXB) 12 flights every day