Terminal Intelligence
Layout, airline assignments, inter-terminal connections, and transfer method.
Terminal 1
SkyTrain to T2/T3 (3 min), bus to T4 (15-20 min)
Connected to Jewel Changi Airport — landside and airside. SkyTeam airlines including China Southern and Korean Air. Butterfly garden and indoor waterfall accessible for transit passengers.
Terminal 2
SkyTrain to T1/T3 (2-3 min), bus to T4 (15-20 min)
Recently reopened after expansion. Scoot (SQ's low-cost subsidiary) operates here. Connected to T1 and T3 via SkyTrain without re-clearance. Orchid Garden and sunflower garden.
Terminal 3
SkyTrain to T1/T2 (3-4 min), bus to T4 (20 min)
Singapore Airlines' main terminal. SilverKris and The Private Room lounges are here. Largest terminal at Changi. Cinema, swimming pool (with rooftop), and Canopy Park on top floor.
Terminal 4
Bus to T1/T2/T3 (15-20 min) — no SkyTrain connection
Separate building requiring a bus shuttle — always add 25-30 min to MCT for T4 connections. Modern facility with heritage street food market theme. Biometric-only check-in.
Connection Intelligence
Minimum times, risk factors, and overnight transit options.
Minimum MCT
45min
Recommended
75min
Risk
low
Inter-terminal transfer
SkyTrain (T1/T2/T3) — 3-4 min, no re-clearance. Bus for T4 — 15-20 min, requires re-clearance
Risk Factors
· T4 connections add 25-30 minutes — always book 90+ min MCT if T4 is involved
· Immigration re-entry required if connecting via T4 or exiting to Jewel landside
· Peak periods (Chinese New Year, school holidays) may add 15-20 min to immigration
Overnight transit
Excellent overnight transit options. Airside rest areas in all terminals. Snooze Lounges in T1/T2/T3 with reclining chairs. Singapore Airlines First Class lounge offers sleep rooms. Free 5h+ layover hotel access program available for some nationalities.
Passenger Experience
WiFi, showers, hotels, dining, and convenience facilities.
WiFi
Free · fast (consistent 20-50 Mbps across all terminals)
Airside showers
Available
Sleeping pods
Available
Transit hotel
Airside
Observation deck
No
Fast Track
Available
Airside Hotels
· Ambassador Transit Hotel (T1, T2, T3 — airside)
· Aerotel Singapore (T1 transit area)
Notable Dining
· Jewel: 280+ food and retail outlets across 10 floors
· Food Republic (T3) — Singaporean hawker classics airside
· Paul (T2/T3) — French bakery café
· A&W — nostalgia classic, only airport in the world with one
Lounge Intelligence
Premium lounges by terminal and alliance — access criteria and notable features.
The Private Room
· Singapore Airlines Suites / First Class passengers
· KrisFlyer Solitaire PPS Club members
→ Arguably the most exclusive airport lounge in the world
→ Private dining rooms with à la carte restaurant
SilverKris First Class Lounge
· SQ First Class passengers
· PPS Club members
· Star Alliance First Class on SQ-operated flights
→ Full-service restaurant, bar, and private shower suites
→ Day bed rooms for long layovers
SilverKris Business Class Lounge
· SQ Business Class passengers
· KrisFlyer Elite Gold members
· Star Alliance Gold on SQ-operated flights
→ Hot food buffet, noodle bar, and cocktail bar
→ Shower facilities with towel service
Plaza Premium Lounge
· Priority Pass members
· Lounge key cardholders
· Pay-per-use access available
→ Hot food buffet with Asian and Western options
→ Shower rooms available
AI Advice
Synthesized guidance for navigating this airport.
Aelios · Airport Intelligence
Changi is one of the few airports where a long connection is a feature, not a burden. For layovers under 3 hours, stay airside and use the SkyTrain. For 4-7 hours, the Jewel is genuinely worth the immigration exit. For overnight connections, the Ambassador Transit Hotel inside security is a top choice — book in advance for peak periods. If your itinerary involves Terminal 4, treat it as a separate airport: add 30 minutes to your planning and confirm re-clearance requirements with your airline.