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FlightLogic is an independent, advertising-supported information service that lets you compare airlines, airports, hotels, and travel products. We do not provide financial advice and we do not recommend specific products or providers. Links marked * are advertising links and may earn us commission at no extra cost to you — always read the terms of any product before booking or applying. Learn more about how we make money.
Bangkok Suvarnabhumi Airport vs Istanbul Airport
Detailed comparison of BKK and IST on FlightLogic scores and passenger experience.
Verdict
Bangkok Suvarnabhumi Airport (BKK) scores higher overall at 8.5/10 versus Istanbul Airport (IST) at 8.5/10. Istanbul Airport leads on lounges at 9.0/10.
1 main terminal + satellite concourses · 60M+ passengers/year
8.5/ 10
How good is Bangkok Suvarnabhumi Airport?
Bangkok Suvarnabhumi Airport (BKK) scores 8.5/10 (Excellent)
on FlightLogic's airport index — combining on-time performance (8.3),
passenger experience (8.4), and facilities (8.8).
Lounge quality rates 8.8/10. See full airport guide →
In short
Bangkok Suvarnabhumi (BKK) is rated 8.5/10 on FlightLogic with lounge score 8.8/10. Thai Airways Royal Silk lounges serve business class and Star Alliance Gold on long-haul departures. Most UK–Asia connections stay airside — allow 90+ minutes for intercontinental transfers. See /guides/bkk-airport-lounge-guide-2026.
FlightLogic Score8.5Excellent
On-time8.3Departure reliability
Experience8.4Staff, queues, cleanliness
Facilities8.8Food, shops, seating
Lounges8.8Lounge quality
Rating basisEditorialFlightLogic methodology
Score breakdown
Modelled on industry airport indices — on-time data, facilities ratings, and editorial experience signals combined into a single FlightLogic score.
On-Time Performance
8.3
Passenger Experience
8.4
Facilities & Comfort
8.8
Lounge score8.8/10
Highlights
Thai Airways Royal Silk and Royal Orchid lounges in the main terminal — among Southeast Asia's strongest full-service ground products
Efficient airside connections for Star Alliance and oneworld partners routing UK–Australia via Bangkok
Satellite concourses linked by automated train — most gates reachable within 15–25 minutes airside
FlightLogic lounge score 8.8/10 — competitive with Kuala Lumpur and Singapore for premium ground product
Overview
Thailand's primary international gateway — Thai Airways Royal Silk lounges, EVA and Star Alliance partners, and strong Southeast Asia connectivity for UK–Asia routings.
Thai Airways lounges and partner access
Royal Silk lounges in the main terminal serve Thai Airways business class and Star Alliance Gold members on international departures. Royal Orchid Spa offers massage treatments for premium passengers. EVA Air, Singapore Airlines, and other Star Alliance partners may use Thai lounges on qualifying itineraries.
Priority Pass and Plaza Premium lounges provide paid alternatives for economy passengers with lounge cards. Cathay Pacific and oneworld partners typically use their own contracted lounges or Thai Royal Silk on partner metal.
UK traveller notes
Bangkok is a common one-stop routing for UK–Australia, UK–Japan, and UK–Southeast Asia itineraries on Thai Airways, EVA, and Qantas codeshares. Immigration is required only if you leave the transit area.
Grab and Bolt operate from landside arrivals — allow 30–45 minutes from gate to city hotel during peak traffic. Pair with our BKK lounge guide for terminal navigation.
Istanbul Airport (IST) scores 8.5/10 (Excellent)
on FlightLogic's airport index — combining on-time performance (8.3),
passenger experience (8.4), and facilities (8.8).
Lounge quality rates 9.0/10. See full airport guide →
In short
Istanbul Airport (IST) is Turkish Airlines' mega-hub, rated 8.5/10 on FlightLogic. The 2019 single-terminal design handles 76M+ passengers with one of the world's largest business lounges. Ideal for Europe-Asia-Africa connections on Turkish Airlines. Allow 90+ minutes for connections.
FlightLogic Score8.5Excellent
On-time8.3Departure reliability
Experience8.4Staff, queues, cleanliness
Facilities8.8Food, shops, seating
Lounges9.0Lounge quality
Rating basisEditorialFlightLogic methodology
Score breakdown
Modelled on industry airport indices — on-time data, facilities ratings, and editorial experience signals combined into a single FlightLogic score.
On-Time Performance
8.3
Passenger Experience
8.4
Facilities & Comfort
8.8
Lounge score9.0/10
Highlights
Single mega-terminal opened 2019 — one of the world's largest airport buildings under one roof
Turkish Airlines Business Lounge: 60,000+ sqm with cinema, golf simulator, museum, and extensive dining
130+ country connections via Turkish Airlines — one of the world's most connected hubs by country count
Istanbul scores 8.5/10 on FlightLogic with strong facilities (8.8/10) — lounge score 9.0/10
Overview
Massive new hub designed for Turkish Airlines with impressive lounges and growing route network.
Turkish Airlines lounge and terminal
The Turkish Airlines Business Lounge at IST spans over 60,000 square metres — one of the largest in the world — with multiple dining areas, a cinema, golf simulator, museum section, and prayer rooms. Business class and Star Alliance Gold passengers on Turkish Airlines access it free.
The single-terminal design means all connections are airside without inter-terminal transfers, but the terminal is vast — allow generous connection times of 90+ minutes for international-to-international connections.
Istanbul as a connection hub
Turkish Airlines flies to more countries than any other airline, making IST ideal for reaching secondary cities in Africa, Central Asia, and the Balkans that lack direct flights from Western Europe.
Compare IST against DOH (Qatar) and DXB (Emirates) for similar Europe-Asia routings — Turkish often wins on fare price; Gulf carriers win on premium product consistency.
FAQ
Which is better, Bangkok Suvarnabhumi Airport or Istanbul Airport?
Bangkok Suvarnabhumi Airport (BKK) scores higher overall at 8.5/10 versus Istanbul Airport (IST) at 8.5/10. Istanbul Airport leads on lounges at 9.0/10.
Which has better lounges, BKK or IST?
Istanbul Airport (IST) scores higher for lounges at 9.0/10, versus Bangkok Suvarnabhumi Airport at 8.8/10.
Which airport is more on-time, BKK or IST?
Bangkok Suvarnabhumi Airport (BKK) has stronger on-time performance at 8.3/10 versus Istanbul Airport (IST) at 8.3/10.
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