What the airport lists
- SIM cardsAt the airport you can buy SIM cards from Singtel, StarHub, and M1, with sales points in T1, T2, T3, and T4.
- Free Wi-Fi#WiFi@Changi is free in the public and transit areas of all terminals. The airport page states no time limit. No registration is needed. Select the network, open a browser and tap the connect button.
- RegistrationA local SIM must be registered with your passport or ID.
Local SIM or eSIM
| eSIM | Local SIM | |
|---|---|---|
| Where you get it | In the app, before you fly | At the airport: Singtel, StarHub, and M1 |
| Ready when you land | Yes, if installed before the flight | After you have bought and set it up |
| Phone number | Data only, no number | Depends on the pack, see the carrier page |
| Plans and prices | Shown live below, by data size and days | On the carrier or airport page |
Local SIM details change. Confirm them with the carrier or the airport.
Set it up before you fly
- Check that your phone supports eSIM and is not locked: eSIM compatible phones.
- Pick a plan for your destination below.
- Payment is taken once the eSIM is ready.
- Install it at home over Wi-Fi: tap Install in the app or scan the QR code.
- After landing, switch on data roaming for the eSIM line.
- Most plans start when your phone first connects there.
Prefer a daily allowance? 1 GB per day · 7 days for €5.99: full speed up to 1 GB a day, then 1 Mbps until the next day.
Picked like in our shop: the cheapest plan with about 0.7 GB a day. Live prices for Singapore.
Questions and answers
Can I buy a SIM card at Changi airport?
Yes. Look for Singtel, StarHub, and M1 at the airport, or skip the search and install an eSIM at home before you fly.
Is the Wi-Fi at Changi airport free?
Yes, the airport offers free Wi-Fi. The network name and the sign-in steps are listed above.
Can I install the eSIM before I fly to Singapore?
Yes. Install it over Wi-Fi at home, then switch on data roaming for the eSIM line after landing in Singapore. Most plans start when your phone first connects, so no days are lost.
Singapore: do I need my passport for a local SIM?
Yes, bring your passport. The SIM is registered in your name when you buy it.
Singapore: how much data does a week need?
About 5 GB suit a typical week of maps, messages and rides. How much data do I need helps you pick a size.
Does the eSIM come with a phone number?
No. Plans are data only. Keep your own SIM for calls and texts, and use messaging apps over data.
Updated 24 Oct 2026 · checked against our live catalogue
How we check our data · Prices and plans come live from our catalogue; facts come from official sources, listed where we use them.
Sources: Changi Airport: SIM card purchase · Changi Airport: free Wi-Fi and internet connection
