World’s Busiest Airline Routes – 2025
25-12-2025 | Posted By: Admin | 135 View(s)
We are always curious to know about the Airline sectors which are most Busy across the world.We bring you here the detailed findings of OAG’s annual Analysis of the busiest Airline Routes of 2025.As per the same This route has 14.4 million scheduled seats in 2025, this is equivalent to almost 39,000 daily seats operating on this short sector of just 243 nautical miles.
Capacity on the route is 1% above 2024 levels, but remains 17% behind 2019 levels.
Seven carriers operate on this very competitive route.
Airfares have dropped by 11% year-on year to $44 one-way.
Here is a list of the Busiest Airline Routes :
🌍 World’s Busiest Airline Routes – 2025 Overview
Global Domestic & International Aviation Trends
World’s Busiest Airline Route – 2025
The busiest airline route of 2025 is Jeju (CJU) to Seoul Gimpo
1.Jeju (CJU) – Seoul Gimpo (GMP)
14.4 million seats scheduled in 2025
Nearly 39,000 daily seats on a short 243 NM sector
Capacity:+1% vs 2024 ,–17% vs 2019
7 airlines operating,Average one-way fare: $44 (–11% YoY)
2. Sapporo (CTS) – Tokyo Haneda (HND)
12.1 million seats
+1% YoY,Only 3% below 2019
3. Fukuoka (FUK) – Tokyo Haneda (HND)
11.5 million seats
+1% YoY,1% above 2019 levels
➡ Strong demand despite extensive high-speed rail network
4. Hanoi (HAN) – Ho Chi Minh City (SGN)
1.0 million seats
+4% YoY, +8% vs 2019
6 airlines
Avg fare: $67 (–11%)
5.Jeddah (JED) – Riyadh (RUH)
9.8 million seats
+13% YoY,+22% vs 2019
Avg fare: $95 (+27%)
6. Melbourne-Sydney
8.9 Million Seats
7.Tokyo-Haneda
8.05 Million Seats
8.Mumbai-Delhi
7.6 Million Seats
9.Bejing-Shanghai
7.4 Million seats
10.Shanghai-Honggiao
7.13 Million seats
Key Global Highlights
9 of the Top 10 busiest airline routes operate in the Asia-Pacific region
Strong recovery in Asia & Middle East aviation markets
Domestic travel continues to outperform international recovery
Increased competition driving lower airfares on major routes
The fastest growing route in the top ten is fifth placed Jeddah (JED) to Riyadh (RUH):
The second and third placed busiest routes are both in Japan – which continues to maintain a strong position despite an extensive high speed rail network covering the country:
Sapporo New Chitose (CTS) to Tokyo Haneda (HND) is in second place with a staggering 12.1 million seats in 2025; up 1% year-on-year and only 3% below pre-pandemic volumes, indicating near-full recovery.
Fukuoka (FUK) to Tokyo Haneda (HND) is in third place growing by 1% vs 2024 with 11.5 million seats scheduled in 2025, this exceeds 2019 levels by 1%, making it one of the few major domestic routes to surpass pre-pandemic capacity.
Vietnam’s largest domestic route between Hanoi (HAN) and Ho Chi Minh City (SGN) is the fourth busiest route:
Top 10 Global International Routes (December 2025)
1. Hongkong – Taipei
2. Cairo – Jeddah
3. Kuala Lumpur –Singapore
4. Seoul Incheon–Tokyo Narita
5. Seoul Incheon-Osaka
6. Jakarta-Singapore
7. Dubai-Riyadh
8. Bangkok-Hongkong
9. Tokyo Narita-Taipei
10. NewYork-London
Credit:OAG
