Thai Airways’ Top 10 Busiest International Routes in 2025: Key Hubs and Market Insights for B2B Travel Pros

Thai Airways Anchors Bangkok as Global Aviation Hub in 2025

Thai Airways International, a Star Alliance founding member, remains at the heart of Asia’s aviation network in 2025. Operating flights to 56 international cities across 30 countries—and nine domestic routes within Thailand—the airline continues to connect Bangkok to the world.

For B2B travel professionals, understanding Thai Airways’ busiest corridors offers crucial insights into market demand, strategic partnerships, and opportunities for corporate, leisure, and MICE travel segments.

Below, we dive into the airline’s top 10 busiest international routes, measured by weekly one-way seat capacity—essential knowledge for travel agents, consolidators, and corporate planners shaping itineraries for clients in 2025.

1. Bangkok–Singapore: Southeast Asia’s Power Route

Leading Thai Airways’ network, the Bangkok–Singapore route features five daily flights, mixing A350-900s, B787-8s, and A320-200s, totalling 9,765 weekly seats one-way.

• Why It Matters: This corridor is a backbone for business travellers, leisure tourists, and regional connections, making it a high-yield market for B2B sales strategies.
  
  

2. Bangkok–Tokyo Narita: Business and Tourism Ties

Japan remains a top market, with Thai Airways running three daily flights using A350-900s and B777-300ERs, offering 6,930 weekly one-way seats.

• B2B Insight: Ideal for corporate travellers and leisure groups, this route also supports robust cargo demand between the two nations.

3. Bangkok–Hong Kong: Trade and Transit Hub

The Bangkok–Hong Kong sector operates four daily flights on B777s and A320s, delivering 6,832 weekly seats.

• Why It’s Key: Hong Kong is a major finance hub and a gateway into mainland China, making this route a strategic pillar in regional connectivity.
  
  

4. Bangkok–New Delhi: India Market’s Growth Engine

With 22 weekly flights, Thai Airways deploys A330-300s, B777s, and A320-200s to New Delhi, providing 6,517 weekly one-way seats.

• B2B Takeaway: Strong business ties and robust VFR (Visiting Friends and Relatives) travel keep this route high on the priority list for travel professionals targeting India-Thailand traffic.
  
  

5. Bangkok–Taipei: Tech and Trade Link

Three daily flights link Bangkok and Taipei using B777-300ERs, B787-8s, and A320-200s, totalling 5,460 weekly seats.

• Opportunity: Ideal for corporate travellers and high-end leisure passengers exploring Thailand’s hospitality and tourism offerings.
  
  

6. Bangkok–London Heathrow & Frankfurt: European Twins

Both European power routes operate two daily flights on B777-300ERs, each route offering 4,872 weekly one-way seats.

• Strategic Note: London and Frankfurt serve as vital hubs for premium travel, corporate contracts, and connections deeper into Europe via Star Alliance networks.
  
  

7. Bangkok–Seoul: Korea’s Tourism Surge

Thai Airways flies 15 weekly flights between Seoul and Bangkok exclusively on A350-900s, delivering 4,815 weekly seats.

• B2B Insight: Korea’s booming outbound tourism and rising MICE market make this route prime territory for group travel packages and luxury segments.
  
  

8. Bangkok–Sydney & Melbourne: Australia’s Dual Demand

Daily flights to both Sydney and Melbourne use A350-900s, each route offering 4,494 weekly seats.

• Key Trends: Australians continue to flock to Thailand’s beaches, while business and student traffic drives steady demand in both directions.
  
  

9. Bangkok–Kuala Lumpur: Regional Connectivity Hub

This key corridor operates two daily flights on B787-9s, totalling 4,130 weekly seats.

• Market Opportunity: The route underpins business connections and acts as a hub feeder for further Southeast Asia travel.
  
  

10. Bangkok–Jakarta: Growing Southeast Asia Ties

Two daily flights, one each on a B787-8 and an A350-900, generate 4,095 weekly seats between Bangkok and Jakarta.

• Business Context: Indonesia’s population and economic growth continue to fuel demand, with opportunities in both business and leisure travel segments.

Why It Matters for B2B Travel Pros

Thai Airways’ 2025 route data highlights where travel demand is surging and where B2B players should focus their efforts. As business travel rebounds, group movements resume, and leisure tourism thrives, these corridors will shape future aviation and travel strategies across Asia and beyond.

Takeaway for Agents & Corporate Planners:

• Prioritise high-demand routes for MICE, corporate, and premium leisure packages.

• Leverage Thai Airways’ Star Alliance partnerships for seamless onward connections.

• Monitor market shifts, especially in growing corridors like India, Korea, and Southeast Asia.

Thai Airways’ resilience and strategic deployment across these key routes cement its role as a crucial partner for the travel industry in 2025 and beyond.

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