Web Check-in
Check Singapore Airlines online check-in timing, boarding-pass guidance and airport deadlines before departure.
Policy at a glance
Use this Singapore Airlines web check-in guide to confirm the online window and move from check-in to baggage drop, document verification and boarding without missing a separate deadline.
Online check-in opens 48 hours before departure and closes 1.5 hours before departure (1 hour on the app for non-US flights); some routes still require airport counter check-in due to local regulations.
What to do next
Use the booking reference and passenger surname exactly as shown on the ticket.
Confirm passenger details, seat selection and any required declarations.
Download an offline copy and verify the flight date, airport and terminal.
Allow time for baggage drop, document checks, security and immigration.
Questions answered
Online check-in opens 48 hours before departure and closes 1.5 hours before departure (1 hour on the app for non-US flights); some routes still require airport counter check-in due to local regulations.
Usually, but you must still reach the baggage-drop counter before the published cut-off. Online check-in does not extend airport deadlines.
The airline may need to verify a passport, visa, payment method or special-service request at the airport counter.
Try the operating carrier shown on the itinerary. Codeshare record locators can differ, so the marketing airline may also need to provide the operating carrier reference.
We summarize Singapore Airlines's own published web check-in. Airlines change fees, allowances and document rules without notice, so always confirm the latest details on the official page linked below before you travel.
Use the "Official airline link" button on this page — it goes directly to Singapore Airlines's own web check-in page, which is the definitive source.