This is a list of the 100 busiest domestic (flights in same country) 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).
Seoul (GMP)
Jeju (CJU)
112 flights every day
Cheju (CJU)
Seoul (GMP)
111 flights every day
Riyadh (RUH)
Jeddah (JED)
58 flights every day
Jeddah (JED)
Riyadh (RUH)
57 flights every day
Sydney (SYD)
Melbourne (MEL)
56 flights every day
Melbourne (MEL)
Sydney (SYD)
56 flights every day
Fukuoka (FUK)
Tokyo (HND)
55 flights every day
Tokyo (HND)
Fukuoka (FUK)
55 flights every day
Mumbai (BOM)
Delhi (DEL)
55 flights every day
Tokyo (HND)
Sapporo (CTS)
54 flights every day
Chitose (CTS)
Tokyo (HND)
54 flights every day
Delhi (DEL)
Mumbai (BOM)
54 flights every day
Kabupaten Maros (UPG)
Jakarta (CGK)
52 flights every day
Hanoi (HAN)
Ho Chi Minh City (SGN)
52 flights every day
Ho Chi Minh City (SGN)
Hanoi (HAN)
51 flights every day
Jakarta (CGK)
Ujung Pandang (UPG)
47 flights every day
Cape Town (CPT)
Johannesburg (JNB)
42 flights every day
Johannesburg (JNB)
Cape Town (CPT)
42 flights every day
Bangalore (BLR)
Delhi (DEL)
39 flights every day
Delhi (DEL)
Bengaluru (BLR)
38 flights every day
Bogota (BOG)
Medellin (MDE)
38 flights every day
Sao Paulo (CGH)
Rio De Janeiro (SDU)
38 flights every day
Rio de Janeiro, Alla flygplatser (SDU)
Sao Paulo (CGH)
37 flights every day
Rio Negro (MDE)
Bogota (BOG)
37 flights every day
Belize City (BZE)
San Pedro (SPR)
36 flights every day
Denpasar (DPS)
Jakarta (CGK)
36 flights every day
Jakarta (CGK)
Denpasar (DPS)
35 flights every day
Surabaya (SUB)
Jakarta (CGK)
35 flights every day
Tokyo (HND)
Okinawa (OKA)
35 flights every day
Okinawa (OKA)
Tokyo (HND)
35 flights every day
Jakarta (CGK)
Surabaya (SUB)
35 flights every day
Zanzibar (ZNZ)
Dar Es Salaam (DAR)
34 flights every day
Kabupaten Maros (UPG)
Surabaya (SUB)
34 flights every day
Shanghai (SHA)
Shenzhen (SZX)
33 flights every day
Shenzhen (SZX)
Shanghai (SHA)
33 flights every day
Brisbane (BNE)
Sydney (SYD)
33 flights every day
Shanghai (SHA)
Guangzhou (CAN)
33 flights every day
Guangzhou (CAN)
Shanghai (SHA)
32 flights every day
Lagos (LOS)
Abuja (ABV)
32 flights every day
Abuja (ABV)
Lagos (LOS)
32 flights every day
Jakarta (CGK)
Kuala Namu (KNO)
31 flights every day
San Pedro (SPR)
Belize City (BZE)
31 flights every day
Sydney (SYD)
Brisbane (BNE)
30 flights every day
Knokke (KNO)
Jakarta (CGK)
30 flights every day
Chicago (ORD)
New York (LGA)
30 flights every day
New York (LGA)
Chicago (ORD)
30 flights every day
Cheju (CJU)
Busan (PUS)
30 flights every day
Bangalore (BLR)
Mumbai (BOM)
29 flights every day
Bogota (BOG)
Cali (CLO)
29 flights every day
Mumbai (BOM)
Bengaluru (BLR)
29 flights every day
Kimhae (PUS)
Jeju (CJU)
29 flights every day
Cali (CLO)
Bogota (BOG)
28 flights every day
Chiang Mai (CNX)
Bangkok (DMK)
28 flights every day
Surabaya (SUB)
Ujung Pandang (UPG)
28 flights every day
Bangkok (DMK)
Chiang Mai (CNX)
28 flights every day
Guangzhou (CAN)
Hangzhou (HGH)
28 flights every day
Osaka (ITM)
Tokyo (HND)
28 flights every day
Kathmandu (KTM)
Pokhara (PHH)
28 flights every day
Johannesburg (JNB)
Durban (DUR)
28 flights every day
Durban (DUR)
Johannesburg (JNB)
28 flights every day
Tokyo (HND)
Osaka (ITM)
28 flights every day
Los Angeles (LAX)
San Francisco (SFO)
28 flights every day
Honolulu (HNL)
Kahului (OGG)
27 flights every day
Pokhara (PHH)
Kathmandu (KTM)
27 flights every day
Hangzhou (HGH)
Guangzhou (CAN)
27 flights every day
Bangkok (BKK)
Chiang Mai (CNX)
27 flights every day
Phuket (HKT)
Bangkok (BKK)
27 flights every day
Peking (PEK)
Shanghai (SHA)
27 flights every day
Shanghai (SHA)
Beijing (PEK)
27 flights every day
Bangkok (BKK)
Phuket (HKT)
26 flights every day
Kahului (OGG)
Honolulu (HNL)
26 flights every day
Melbourne (MEL)
Brisbane (BNE)
26 flights every day
San Francisco (SFO)
Los Angeles (LAX)
26 flights every day
Chiang Mai (CNX)
Bangkok (BKK)
26 flights every day
Calcutta (CCU)
Delhi (DEL)
26 flights every day
Hyderabad (HYD)
Delhi (DEL)
26 flights every day
Brisbane (BNE)
Melbourne (MEL)
26 flights every day
Bangkok (DMK)
Phuket (HKT)
25 flights every day
Phuket (HKT)
Bangkok (DMK)
25 flights every day
Hanoi (HAN)
Da Nang (DAD)
25 flights every day
Delhi (DEL)
Kolkata (CCU)
25 flights every day
Delhi (DEL)
Hyderabad (HYD)
25 flights every day
Belize City (BZE)
Dangriga (DGA)
25 flights every day
Lima (LIM)
Cuzco (CUZ)
25 flights every day
Mexico City (MEX)
Monterrey (MTY)
25 flights every day
Chengdu (CTU)
Beijing (PEK)
25 flights every day
Chongju (CJJ)
Jeju (CJU)
24 flights every day
Cheju (CJU)
Cheongju (CJJ)
24 flights every day
Da Nang (DAD)
Ho Chi Minh City (SGN)
24 flights every day
Peking (PEK)
Chengdu (CTU)
24 flights every day
Da Nang (DAD)
Hanoi (HAN)
24 flights every day
Denver (DEN)
Phoenix (PHX)
24 flights every day
Cuzco (CUZ)
Lima (LIM)
24 flights every day
Phoenix (PHX)
Denver (DEN)
24 flights every day
Dar Es Salaam (DAR)
Zanzibar (ZNZ)
24 flights every day
Dhaka (DAC)
Coxs Bazar (CXB)
24 flights every day
Cox's Bazar (CXB)
Dhaka (DAC)
24 flights every day
Cebu (CEB)
Manila (MNL)
24 flights every day
Ho Chi Minh City (SGN)
Da Nang (DAD)
24 flights every day
Manila (MNL)
Cebu City (CEB)
24 flights every day