Avio Space

Top 10 Busiest International Routes for March 2025

The route between Beijing Capital International Airport(PEK) and Hongqiao International Airport(SHA) is offering more than 600,000 seats for March, making it the busiest domestic route for China this month. According to OAG, a global air traffic data provider, the 500- mile route between Hong Kong and Taipei was the busiest global airline route for February 2025 while the same source revealed that the route between Johannesburg International Airport (JNB) and Cape Town International Airport (CPT) was the busiest flight route in Africa for 2024. But which are the busiest airline routes for March 2025, according to OAG? Let’s find out.

10. Fukuoka  Incheon

Route   Fukuoka Airport(FUK) -Incheon International Airport(ICN)
Seats  335,466
Distance  566 km
Fukuoka Airport (FUK)
Photo:Simply Aviation | Wikimedia Commons

Let’s have a look at some of the airlines offering direct flights on the route between Fukuoka and Incheon, and the aircraft operated by the carriers: 

Airline  Approximate Time Taken  Aircraft used 
China Southern Airlines  2h 50m Boeing 787-9
Spring Airlines  2h 50m Airbus A320
Air China  2h 50m Airbus A321 
Shanghai Airlines  2h 50m Airbus A321
China Eastern Airlines  2h 50m Airbus A350-900
Juneyao Airlines  2h 50m Boeing 787-9
Hainan Airlines  2h 50m Airbus A330-300
Incheon International Airport
Photo: Maksym Kozlenko | Wikimedia Commons

Here are a few airlines offering one-stop flight connection on this route, the aircraft operated, and where the stopovers lie:

Airline  Stopper At  Approximate Time Taken  Aircraft used 
JAL & ANA Miyazaki Airport(KMI) 7h 00m Jal(Embraer 170)

ANA(A321neo)

JAL & Hawaiian Airlines  Gimhae International Airport (PUS) 6h 20m JAL(Boeing 737-900 passenger)

Hawaiian Airlines(Boeing 737 passenger)

9. Narita Taoyuan

Route Name    Narita International Airport(NRT) -Taoyuan International Airport(TPE)
Seats  337,971
Distance  2193 km
Boeing 747-400 at Narita Airport in Tokyo, Japan
Photo:Ermell | Wikimedia Commons

Let’s have a look at some of the airlines offering direct flights on the route between Narita and Taoyuan, and the aircraft operated by the carriers: 

Airline  Approximate Time Taken  Aircraft used 
EVA Air  3h 40m Boeing 787-10
Starlux Airlines  3h 40m A321neo
China Airlines  3h 55m A321neo
Jetstar Japan  4h 5m Airbus A320
Thai Lion Air  4h 5m Boeing 737-800 Passenger 
Peach Aviation  4h 5m Airbus A320
JAL  4h 5m Boeing 787-8
Taiwan Taoyuan International Airport Terminal 3
Photo:Heeheemalu | Wikimedia Commons

Here are a few airlines offering one-stop flight connection on this route, the aircraft operated, and where the stopovers lie:

Airline  Stopper At  Approximate Time Taken  Aircraft used 
Air Busan  Kimhae(PUS) 6h 15m Airbus A321
Peach Aviation Osaka(KIX) 10h 10m A321neo
Asian Airlines  Seoul(ICN) 7h 50m Airbus A330-300
Korean Air  Seoul(ICN) 9h 55m A321neo
Jin Air  Kimhae(PUS) 8h 10m Boeing 737-800
Peach Aviation  Okinawa(OKA) 8h 25m Airbus A320
China Eastern Airlines  Shanghai(PVG) 9h 15m Airbus 330-200

8. Bangkok – Sinagpore

Route Name    Suvarnabhumi Airport(BKK) – Singapore Changi Airport(SIN)
Seats  343,563
Distance  1422 km
Suvarnabhumi Airport in Bangkok, Thailand – between the C and the D gates
Photo: Roger Price| Wikimedia Commons

Let’s have a look at some of the airlines offering direct flights on the route between Bangkok and Singapore, and the aircraft operated by the carriers: 

Airline  Approximate Time Taken  Aircraft Used 
Thai Airways International  2h 20m Airbus A350-900
Jetstar Asia  2h 30m Airbus A320
Singapore Airlines  2h 30 Boeing 787
Cathay Pacific  2h 35m Airbus A330-300
Scoot  2h 35m A321neo
The control tower, buildings, and pedestrian walkway, at Changi Airport in Singapore.
Photo: Sam Wilson | Wikimedia Commons

Here are a few airlines offering one-stop flight connection on this route, the aircraft operated, and where the stopovers lie:

Airline  Stopper At Approximate Time  Aircraft used 
Bangkok Airways  Ko Samui (USM) 7h 15m  Airbus A319
Malaysia Airlines  Kuala Lumpur  4h 35m Boeing 737-800 Passenger
Vietnam Airlines  Ho Chi Minh City(SGN) 7h 05m Airbus A321

7. Jakarta – Singapore

Route Name    Soekarno Hatta International(CGK) – Singapore Changi Airport(SIN)
Seats  368,927
Distance  887km

Let’s have a look at some of the airlines offering direct flights on the route between Jakarta and Singapore, and the aircraft operated by the carriers: 

Airline  Approximate Time Taken  Aircraft used 
Garuda Indonesia  1h 45m  Boeing 737-800 Passenger 
Bakti Air  1h 45m Airbus A320
Indonesia AirAsia  1h 45m Airbus A320
Scoot 1h 45m Airbus A320
Singapore Airlines  1h 50m  Boeing 777-300ER
Citilink 1h 53m Airbus A320
TransNusa  1h 55m Airbus A320
Jetstar 2h 00m Airbus A320

Here are a few airlines offering one-stop flight connection on this route, the aircraft operated, and where the stopovers lie:

Airline  Stopper At Approximate Time  Aircraft used 
AirAsia  Kuala Lumpur (KUL) 5h 00m Airbus A320
Malaysia Airlines  Kuala Lumpur (KUL) 4h 30m Boeing 737-800 Passenger
Bakti Air Malaysia  Kuala Lumpur (KUL) 5h 55m Boeing 737-800 Passenger 

6. Bangkok – Hong Kong

Route Name    Suvarnabhumi Airport(BKK) – Hong Kong International Airport(HKG)
Seats  376,273
Distance  1697 km
View Taken From Aircraft of Hongkong International airport
Photo: Andy Mitchell |Wikimedia Commons

Let’s have a look at some of the airlines offering direct flights on the route between Bangkok and Hong Kong, and the aircraft operated by the carriers: 

Airline  Approximate Time Taken  Aircraft used 
Thai Airways International  2h 45m Airbus A350-900
Asian Atlantic Airlines  2h 45m  Boeing 737-300 Passenger
Ethiopian Airlines 2h 50m Boeing 787-9
Cathay Pacific 2h 55m A321neo
Emirates 2h 55m Airbus A380-800 Passenger
Hong Kong Airlines 2h 55m Airbus A330-300
HK Express 3h 00m A321neo

Here are a few airlines offering one-stop flight connection on this route, the aircraft operated, and where the stopovers lie:

Airline  Stopper At  Approximate Time Taken  Aircraft used 
VietJet Air Ho Chi Minh City(SGN) 6h 05m  Airbus A321
Bangkok Airways Ko Samui(USM) 6h 50m A321neo
Cambodia Angkor Air Phnom Penh(PNH) 7h 25m Airbus A320
China Eastern Airlines Kunming(KMG) 9h 30m  Boeing 737-500 Passenger 

5. Incheon – Kansai

Route Name     Incheon International Airport(ICN) –  Kansai International Airport(KIX)
Seats  428,027
Distance  1697 km
Korean Air operation at Incheon International Airport
Photo: John Martinez Pavliga|Wikimedia Commons

Let’s have a look at some of the airlines offering direct flights on the route between Incheon and Kansai, and the aircraft operated by the carriers: 

Airline  Approximate Time Taken  Aircraft used 
Asiana Airlines 1h 40m Airbus A350-900
Korean Air 1h 45m Airbus A350-900
Air Seoul 1h 50m Airbus A321
Jeju Air 1h 50m Boeing 737-800 Passenger
Jin Air 1h 50m Boeing 737-800 Passenger
Eastar Jet 1h 55m Boeing 737-800 Passenger
Peach Aviation 1h 50m Airbus A320
T´Way Air 2h 00m Airbus A330-300

Here are a few airlines offering one-stop flight connection on this route, the aircraft operated, and where the stopovers lie:

Airline  Stopper At  Approximate Time Taken  Aircraft used 
Korean Air Kimhae(PUS) 6h 40m Boeing 737-800 (winglets) Passenger/BBJ2
JAL Tokyo(NRT) 8h 40m A321neo

4. Incheon – Narita

Route Name     Incheon International Airport(ICN) –  Narita International Airport(NRT)
Seats  469,837
Distance  1265 km
Boeing 747-400 at Narita Airport in Tokyo, Japan
Photo: Ermell | Wikimedia Commons

Let’s have a look at some of the airlines offering direct flights on the route between Incheon and Narita, and the aircraft operated by the carriers: 

Airline  Approximate Time Taken  Aircraft used 
Asiana Airlines 2h 20m  Airbus A330-300
Air Seoul 2h 20m Airbus A321
Air Japan 2h 20m Boeing 787-8
Jeju Air 2h 25m Boeing 737MAX 8 Passenger
Korean Air 2h 25m Boeing 787-10
Eastar Jet 2h 25m Boeing 737-800 Passenger
Ethiopian Airlines 2h 30m Boeing 787-8
Jin Air 2h 30m Boeing 737-800 Passenger
Air Busan 2h 45m Airbus A321

Here are a few airlines offering one-stop flight connection on this route, the aircraft operated, and where the stopovers lie:

Airline  Stopper At Approximate Time  Aircraft used 
JAL Nagoya(NGO) 5h 00m A321neo
Korean Air Kimhae (PUS) 7h 25m Boeing 737-800 Passenger
JAL Fukuoka(FUK) 5h 15m Airbus A320
JAL Osaka (KIX) 7h 00m Airbus A320
Korean Air and ANA Dalian  7h 20m Boeing 767 Freighter

3. Kuala Lumpur – Singapore

Route Name     Kuala Lumpur International Airport l(KUL)-Singapore Changi Airport(SIN)
Seats  472,926
Distance  298 km

Let’s have a look at some of the airlines offering direct flights on the route between Kuala Lumpur and Singapore, and the aircraft operated by the carriers: 

Airline  Approximate Time Taken  Aircraft used 
Batik Air Malaysia 1h 00m Boeing 737-800 Passenger
Jetstar Asia 1h 05m Airbus A320
AirAsia 1h 10m A321neo
Malaysia Airlines 1h 10m Boeing 737-800 (winglets) Passenger/BBJ2
Scoot 1h 10m Airbus A320
Singapore Airlines 1h 15m Boeing 737MAX 8 Passenger
Ethiopian Airlines 1h 20m Boeing 787-8

Here are a few airlines offering one-stop flight connection on this route, the aircraft operated, and where the stopovers lie:

Airline  Stopper At  Approximate Time Taken  Aircraft used 
Malaysia Airlines and Singapore Airlines Kuantan(KUA) 3h 20m Boeing 737MAX 8 Passenger(Malaysia Airlines)

Embraer 190 E2(Singapore Airlines)

Malaysia Airlines and Singapore Airlines Pekanbaru(PKU) 5h 40m Boeing 737-800 (winglets) Passenger/BBJ2(Malaysia Airlines)

Airbus A320(Singapore Airlines)

2. Cairo – Jeddah

Route Name  Cairo International Airport (CAI) – King Abdulaziz International Airport (JED)
Seats  549,807
Distance  298 km
King Abdulaziz International Airport
Image: Konstantin von Wedelstaedt | Wikimedia Commons

Let’s take a look at a few airlines offering direct flights on the route between Cairo and Jeddah, and the aircraft operated by the carriers: 

Airline  Approximate Time Taken  Aircraft used 
Nile Air 2 hours 5 minutes Airbus A320
Air Cairo 2 hours 10 minutes Airbus A320
Flynas 2 hours 10 minutes A320neo

Here are a few airlines offering one-stop flight connection on this route, the aircraft operated, and where the stopovers lie:

Airline  Stopper At  Approximate Time Taken  Aircraft used 
Tarco Air Port Sudan (PZU) 6hours  Boeing 737 Passenger
Royal Jordanian Queen Alia International (AMM) 5 hours 30 minutes Airbus A320

1. Hong Kong – Taipei

Route Name  Hong Kong International Airport (HKG) –  Taipei-Taiwan Taoyuan International Airport (TPE)
Seats  621,341
Distance  809 km
TPE Airport
Photo: 毛貓大少爺 | Wikimedia Commons

Let’s take a look at a few airlines offering direct flights on the route between Hing Kong and Taipei, and the aircraft operated by the carriers: 

Airline Approximate time taken Aircraft used
China Airlines  1 hour 45 minutes Airbus A330-300
HK Express 1 hour 45 minutes Airbus A320neo
Asia Atlantic Airlines 1 hour 45 minutes Boeing 737-300 Passenger

Currently, a single one-stop flight connection is operated on this route

Airline Stopover at Aircraft used
Cathay Pacific and EVA Air Baiyun (CAN) Cathay Pacific Airbus A330-300

EVA Air Boeing 87-9

 

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