Best eSIM for Singapore 2026 – Data from $3.90, on M1 and SingTel
Best eSIM for Singapore 2026 — Data from $3.90 on M1 and SingTel
Updated August 2026 · Prices in USD, verified at checkout · Network data from our supplier’s live catalogue
Singapore is the layover that becomes a day trip, the business stop that becomes a weekend, and one of the few places where a travel eSIM answers a genuinely expensive problem. Three days of carrier roaming here costs more than the eSIM does for the whole month. Here is what it costs and what you actually get.
M1 & SingTel · QR by email · No passportGet your Singapore eSIM — 10 GB for $9.90 →Coverage you will not think about once
Singapore has one of the highest network densities on earth — the island is fifty kilometres across and every part of it is built for people who assume they are online. Our plan rides M1 and SingTel, two of the three national networks, switching automatically to whichever is stronger. There is no corner of the tourist map, the MRT or Changi where you will be hunting for signal.
Why not just roam, or buy at Changi?
Roaming to Singapore from the US, Europe or Australia typically costs $10–12 per day, per line. For a 48-hour stopover that is more than the entire eSIM.
Buying at Changi is genuinely easy — but every Singaporean SIM requires passport registration, and on a tight layover the counter queue is the thing you least want. A travel eSIM is a roaming product, so no registration applies.
What the Singapore plans cost
| Singapore data package | Price | Cost per GB | Best for |
|---|---|---|---|
| 3 GB / 30 days | $3.90 | $1.30 | A layover or two-day stop |
| 5 GB / 30 days | $4.90 | $0.98 | A long weekend |
| 10 GB / 30 days | $9.90 | $0.99 | A week or more |
| 20 GB / 30 days | $16.90 | $0.85 | A month, or heavy hotspot use |
| 50 GB / 30 days | $34.90 | $0.70 | Long stays and remote work |
Singapore Unlimited runs $5.71 for one day, $37.55 for a week (about $5.36 a day) or $135.86 for 30 days — $4.53 a day. For a country you can cross in an hour, the packages are almost always the better answer: a 3 GB plan at $3.90 covers a layover comfortably.
Two more things, stated openly
Fair use on Singapore Unlimited is 5 GB per day at full speed, then 384 Kbps — a harder step-down than our European plans. And like most travel eSIMs this one is home-routed: your traffic reaches the internet through a gateway in Hong Kong, so websites see a Hong Kong address. That matters for Singaporean geo-locked services and occasionally for banking apps; maps, messaging, browsing and video calls are unaffected.
Coverage, briefly, because there is not much to say
Full signal essentially everywhere: the entire MRT network including the tunnels, Changi’s terminals, Marina Bay, Orchard Road, Sentosa, the malls, Jurong, Woodlands and the Botanic Gardens. Singapore is the easiest coverage story in this blog — the network was built for a city state that assumes everyone is connected all the time.
The apps worth installing before you land
Grab for rides and food, and it is genuinely cheaper than the taxi queue at peak times. SimplyGo or a contactless card handles the MRT — you tap in and out, no ticket needed. Google Maps handles the rest, and its Singapore transit directions are unusually reliable, down to which end of the platform to stand at.
Travelling on to Malaysia or Thailand?
If your route continues over the Causeway or onwards to Bangkok, a single Singapore, Malaysia & Thailand data eSIM covers all three on one profile instead of installing a new one at each border. Worth checking before you buy three separate plans.
Singapore eSIM vs the alternatives
| AeroSims eSIM | Singapore prepaid SIM | Home-carrier roaming | |
|---|---|---|---|
| Setup | ✓ QR before you fly | Changi counter, passport required | Nothing — but $$$ |
| Passport needed | ✓ No | Yes — registration mandatory | No |
| Typical layover cost | ✓ $3.90 (3 GB) | S$12–30 tourist packs | $20–24 for two days |
| Networks | M1 and SingTel | Your choice of three | Partner networks |
| Works on arrival | ✓ Instantly | After the queue | Instantly |
Getting online, step by step
1. Buy the plan; the QR code arrives by email within about a minute.
2. Scan it at home on Wi-Fi: Settings → Cellular/Mobile → Add eSIM.
3. Label it “Singapore”, switch it off, and fly.
4. On landing at Changi, turn the Singapore line on with data roaming enabled for that line only.
5. Keep your home SIM on for calls and SMS codes, with its own data switched off.
Your QR code stays valid for 180 days before you install it, and the plan clock only starts when the eSIM first connects to a network in the destination country — not when you pay.
Questions travellers ask before buying
Which networks does it use?
M1 and SingTel, two of Singapore’s three national networks, chosen automatically by the phone. Coverage on the island is as complete as anywhere on earth.
What is the best eSIM for a Singapore layover?
The 3 GB package at $3.90. It covers a day or two of Grab, maps and messaging with room to spare, and it costs less than one day of carrier roaming.
Do I need my passport?
Not for the eSIM. Singaporean physical SIM cards require passport registration; a roaming eSIM does not.
Does it work in the MRT tunnels?
Yes, throughout. Singapore’s underground coverage is complete.
Why does my bank think I am in Hong Kong?
Because this plan’s internet gateway is there — your phone is on a Singaporean mast but your traffic surfaces in Hong Kong. Keeping your home SIM active for SMS codes prevents most of the friction.
Can I hotspot my laptop?
Yes — tethering is included on both plan types at no extra charge.
Does it cover Malaysia too?
Not this plan. If you are crossing the Causeway, look at the Singapore, Malaysia & Thailand eSIM, which covers all three on one profile.
When does my plan start?
On first connection to a Singaporean network, not at purchase. The unused QR code stays valid for 180 days.
Ready for Singapore?
A Grab booked from the aerobridge, a hawker centre found at 11pm, a boarding pass checked without hunting for airport Wi-Fi — for a stopover, that is the whole value. Install tonight, land connected.
Install today · Activates when you landGet your Singapore eSIM — 3 GB for $3.90 →Prices checked August 2026 at aerosims.com and subject to change; per-day figures derived from listed plan prices. Network partners, network generation, fair-use allowance and gateway region come from our supplier’s live package catalogue and are accurate as of 9 August 2026. Singapore requires identity registration for locally sold SIM cards. Third-party roaming charges reflect publicly listed rates at the time of writing.
Plans & prices
Pick your size — the QR code arrives by email in seconds.