To complete online check-in for flights departing from Changi Airport, passengers will need their booking reference or ticket number and the passport details of all travellers. Some airlines may also require travellers to enter visa details or other travel documentation depending on their destination. It’s important to have all necessary documents handy at the time of online check-in to ensure a smooth process.

When checking in online, passengers with special needs or additional requests can manage these preferences through the airline’s website. Most airline interfaces offer options to add extra baggage, request assistance at the airport, or make other necessary arrangements. If specific needs aren’t addressed on the online check-in platform, passengers should contact the airline directly to ensure all accommodations are in place before arriving at the airport.

If passengers encounter any difficulties during the online check-in process, it's important to address the issue promptly to ensure a smooth and stress-free journey. Here are the steps you should follow:

1. Check Your Internet Connection: Sometimes, issues can be as simple as a faulty internet connection. Ensure your device is connected to a stable internet service to avoid interruptions during the check-in process.
2. Verify Your Details: Double-check the accuracy of all required information, such as your booking reference, ticket number, and passport details. Errors in these entries can prevent successful check-in.
3. Consult the Airline's FAQ or Help Section: Most airline websites have a FAQ or help section where common issues with online check-in are addressed. This can be a quick way to solve your problem without needing to contact customer service.
4. Contact the Airline Directly: If the above steps do not resolve the issue, contact the airline's customer service for assistance. Have your booking details ready to facilitate a quick resolution. Airlines typically offer support via phone, email, or live chat.
5. Visit the Jewel Early Check-In Lounge: If you encounter technical difficulties during the online check-in process and cannot resolve them through digital means, head over to the Jewel Early Check-in Lounge at Changi Airport to check in.

By following these steps, passengers can effectively address issues encountered during online check-in, minimising delays and ensuring that their travel plans remain on track.

For passengers who opt for early check-in at the Jewel Early Check-in Lounge, luggage can be conveniently dropped off at the counters located within the lounge itself.

For passengers with odd-sized baggage, passengers flying on airlines departing from Terminal 1 may check in their odd-sized baggage at Jewel Early Check-in Lounge (except Scoot and Qatar Airways). For passengers flying on airlines departing from Terminals 2-4, please proceed to the check-in row at the main terminal for assistance.
 

However, if passengers choose to check in online, they’ll need to drop off their luggage at their airline’s designated check-in row in the departures hall of the corresponding terminal at Changi Airport. The luggage drop-off service at both locations is typically available from 12 to 24 hours before the flight’s departure, but hours may vary depending on the airline and terminal

After completing online check-in, may proceed to drop off any checked baggage at the Jewel Early Check-in Lounge, or at the designated airline counters.. Following luggage drop-off, passengers can head straight to the security checkpoint and proceed to immigration. Once cleared, they’re invited to enjoy Changi Airport’s numerous airport eateries and popular outlets in the transit halls.

For those seeking a quiet and comfortable place to relax, Changi Airport’s snooze lounges offer a serene environment where travellers can unwind or catch up on work before their flight. This lounge is equipped with comfortable seating, high-speed internet, and other amenities to enhance your waiting experience at the airport.