Incheon International Airport (ICN) scores 9.3/10 (Exceptional)
on FlightLogic's airport index — combining on-time performance (9.2),
passenger experience (9.4), and facilities (9.3).
Lounge quality rates 8.8/10. See full airport guide →
In short
Incheon (ICN) is Seoul's primary international airport, rated 9.3/10 on FlightLogic — second only to Changi. Known for cleanliness, Culture Experience Zones, and efficient Korean Air/Asiana hub. Two terminals; allow 60–90 minutes for inter-terminal connections. AREX train reaches Seoul in ~43 minutes.
FlightLogic Score9.3Exceptional
On-time9.2Departure reliability
Experience9.4Staff, queues, cleanliness
Facilities9.3Food, 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
9.2
Passenger Experience
9.4
Facilities & Comfort
9.3
Lounge score8.8/10
Highlights
Culture Experience Zones with free traditional Korean performances, craft workshops, and exhibitions
Consistently ranked among the world's cleanest airports — FlightLogic experience score 9.4/10
Terminal 2 opened 2018 with Star Alliance carriers; Terminal 1 serves Korean Air and SkyTeam
Incheon scores 9.3/10 overall — second-highest on FlightLogic after Changi
Overview
Consistently top-rated for cleanliness, culture programs, and efficient Korean Air/Asiana hub.
Terminals and airlines
Terminal 1 serves Korean Air, Asiana, and SkyTeam carriers. Terminal 2 (opened 2018) serves Star Alliance carriers including Singapore Airlines, United, and Lufthansa. Inter-terminal transfers require the free shuttle train — budget 60–90 minutes for a connection.
Both terminals have extensive dining and shopping, with ICN known for reasonable pricing compared to other major Asian hubs.
Getting to Seoul from Incheon
The AREX (Airport Railroad Express) reaches Seoul Station in 43 minutes on the express service. The all-stop commuter service takes longer but costs less. Airport limousine buses connect to major Seoul districts and hotels.
Taxi fare to central Seoul is approximately KRW 60,000–80,000 depending on traffic and destination.
Dublin Airport (DUB) scores 7.5/10 (Very Good)
on FlightLogic's airport index — combining on-time performance (7.3),
passenger experience (7.4), and facilities (7.8).
Lounge quality rates 7.6/10. See full airport guide →
In short
Dublin DUB scores 7.5/10 — Ireland hub with US Pre-Clearance on Aer Lingus. Strategic UK positioning for transatlantic. See /guides/best-airlines-uk-dublin and /guides/dublin-airport-lounge-guide.
FlightLogic Score7.5Very Good
On-time7.3Departure reliability
Experience7.4Staff, queues, cleanliness
Facilities7.8Food, shops, seating
Lounges7.6Lounge 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
7.3
Passenger Experience
7.4
Facilities & Comfort
7.8
Lounge score7.6/10
Highlights
US Pre-Clearance — arrive in US as domestic passenger on Aer Lingus transatlantic
Dense UK schedule — Ryanair, Aer Lingus, BA from Heathrow, Gatwick, Manchester, and 15+ regional UK airports
Aer Lingus T2 lounge for business and AerClub Gold; 51st & Green US Pre-Clearance facility
UK261 on UK-departing Aer Lingus; EU261 on DUB EU departures
Overview
Ireland's hub and a strategic UK outbound gateway — Aer Lingus US Pre-Clearance, dense Ryanair/easyJet Europe network, and short hop from UK regional airports.
UK positioning and Pre-Clearance
UK travellers use DUB as a lower-fare transatlantic gateway via Aer Lingus — Pre-Clearance saves 60–90 min at US immigration. Factor positioning flight cost from UK regional airports.
Ryanair's largest base offers cheapest UK–Europe fares — compare total cost vs Stansted/Luton on same route.
More comparisons
Compare Incheon International Airport (ICN) against 59 other airports