The short verdict
Singapore is a city-state 50 km wide where every carrier — Singtel, StarHub, M1, and TPG — delivers excellent 5G everywhere. There is no rural or remote area, so coverage quality is identical across providers and price is the only factor that matters. That makes the choice simple: Flysimio is the cheapest we found at a competitive price per gigabyte. Buy the cheapest plan with enough data and you are done. Adding a Hong Kong leg to the same trip? See the best eSIM for Hong Kong.
Flysimio Singapore eSIM
$1.38 from · instant QR · 7-day refund
Singapore eSIM price index — October 2026
Across 4 providers and 16 plans compared in October 2026, the cheapest Singapore eSIM data on a standard 3–50 GB plan works out at $0.85/GB (Flysimio, priced live). On the same measure the cheapest rival plan is Nomad at $0.62/GB — cheaper than our best equivalent plan, which costs 37% more per gigabyte.
| Provider | Plan | Price | Price per GB | Network | Best for | Price checked |
|---|---|---|---|---|---|---|
| Nomad | 50 GB / 30 days | $31.00 | $0.62/GB | StarHub | Easy app | Oct 8, 2026 |
| FlysimioBuy$42.50 | 50 GB / 30 days | $42.50 | $0.85/GB | StarHub | Live | |
| FlysimioBuy$20.50 | 20 GB / 30 days | $20.50 | $1.02/GB | StarHub | Live | |
| Nomad | 20 GB / 30 days | $21.00was $25.00 | $1.05/GB | StarHub | Easy app | Oct 8, 2026 |
| FlysimioBuy$11.75 | 10 GB / 30 days | $11.75 | $1.18/GB | StarHub | Live | |
| FlysimioBuy$6.03 | 5 GB / 30 days | $6.03 | $1.21/GB | StarHub | Live | |
| FlysimioBuy$3.63 | 3 GB / 15 days | $3.63 | $1.21/GB | StarHub | Live | |
| FlysimioBuy$1.38 | 1 GB / 7 days | $1.38 | $1.38/GB | StarHub | Live | |
| Nomad | 10 GB / 30 days | $14.00was $16.00 | $1.40/GB | StarHub | Easy app | Oct 8, 2026 |
| Nomad | 5 GB / 30 days | $9.00 | $1.80/GB | StarHub | Easy app | Oct 8, 2026 |
| Nomad | 1 GB / 7 days | $4.00 | $4.00/GB | StarHub | Easy app | Oct 8, 2026 |
| Airalo | Unlimited (3 GB/day) / 7 days | $27.00 | — | Singtel | Coverage & app | Oct 8, 2026 |
| Holafly | Unlimited / 7 days | $27.50 | — | Singtel | Unlimited data | Oct 8, 2026 |
| Airalo | Unlimited (3 GB/day) / 30 days | $69.00 | — | Singtel | Coverage & app | Oct 8, 2026 |
| FlysimioBuy$75.00 | Unlimited (2 GB/day) / 30 days | $75.00 | — | StarHub | Live | |
| Holafly | Unlimited / 30 days | $76.50 | — | Singtel | Unlimited data | Oct 8, 2026 |
- Nomad · 20 GB / 30 days: Sale price; Nomad lists $25.00 as the standing rate.
- Nomad · 10 GB / 30 days: Sale price; Nomad lists $16.00 as the standing rate.
- Airalo · Unlimited (3 GB/day) / 7 days: Airalo bills this as "Unlimited": 3 GB per day at full speed, then throttled to about 1 Mbps. Airalo's Singapore store lists unlimited packages only.
- Holafly · Unlimited / 7 days: Unlimited with no daily high-speed cap; Holafly applies a fair-use policy for at most one day at a time.
- Airalo · Unlimited (3 GB/day) / 30 days: Airalo bills this as "Unlimited": 3 GB per day at full speed, then throttled to about 1 Mbps.
- Flysimio · Unlimited (2 GB/day) / 30 days: 2 GB per day at full speed, then 1 Mbps. Sold as 1–30-day passes; 30 days is priced here for comparison.
- Holafly · Unlimited / 30 days: Unlimited with no daily high-speed cap; Holafly applies a fair-use policy for at most one day at a time.
How this table is priced. Flysimio prices are read live from our carrier catalog every time this page loads, so the figure here is the figure at checkout. Competitor prices are the US-dollar price shown on each provider's own site, read on the date in the last column and linked to the page we read it from; promotional prices are marked alongside the list price. Price per GB is the plan price divided by its included data — unlimited passes have no per-GB figure and are ranked by total price instead. Full method: how we test, the eSIM Price Index and what an eSIM costs.
- Nomad — checked Oct 8, 2026 — www.nomadesim.com/singapore-eSIM
- Airalo — checked Oct 8, 2026 — www.airalo.com/singapore-esim
- Holafly — checked Oct 8, 2026 — esim.holafly.com/esim-singapore/
How much data do you need in Singapore?
| Trip length | Usage type | Recommended data |
|---|---|---|
| 2–3 days | Maps + transit + messaging | 1–2 GB |
| 4–7 days | Maps + social + browsing | 3–5 GB |
| 7–14 days | Regular use | 5–8 GB |
| Any length | Streaming + hotspot | Unlimited (Holafly) |
Singapore eSIM vs a local SIM card
Singtel, StarHub and M1 sell tourist SIMs at Changi airport and in convenience stores, registered with your passport. A travel eSIM is bought online and installed before you fly, connects to StarHub when you land, and leaves your home SIM in the phone for calls and texts. The eSIM is data-only, so there is no local number. Phone settings (data roaming, keeping your number) are covered step by step in how to use an eSIM abroad.
Heading on to Malaysia, Thailand or Indonesia? The 7-, 12-, 19- and 20-country tiers of the Asia eSIM include Singapore; the 14-country tier does not.
Installing your Singapore eSIM
- Buy before departure — install on home Wi-Fi.
- Open the Flysimio email for the QR code.
- iPhone: Settings → Cellular → Add eSIM → Use QR Code.
- Android: Settings → Network & Internet → SIMs → Add SIM.
- Scan the QR code. Done in under 30 seconds.
- Label it "Singapore" and set as data line.
- Your phone connects to Singtel when you arrive at Changi Airport (SIN).
Frequently asked questions
Can I use my US phone in Singapore?
Yes, if it is unlocked and supports eSIM. Install the Singapore eSIM before you fly for data, and keep your US line on for calls and texts with data roaming off, which avoids a daily carrier roaming fee.
What is the best SIM card for tourists in Singapore?
For a stopover or a short stay, a travel eSIM on StarHub: no Changi counter and it connects as you land.
What is the best eSIM for Singapore?
Flysimio was the cheapest Singapore eSIM at 5 GB when we checked in October 2026, though Nomad undercuts us per gigabyte on its larger plans — see the dated index above. Since Singtel, StarHub and M1 all deliver equivalent coverage across the island, price is the only differentiator. Flysimio offers 5 GB on Singtel at the lowest price we found.
Does eSIM work in Singapore?
Yes, perfectly. Singapore is a 5G-saturated city-state. Every carrier provides full indoor and outdoor coverage across the entire 728 km² of the island, including the MRT underground, shopping malls, Sentosa, and Changi Airport.
Which carrier is best in Singapore?
All four carriers (Singtel, StarHub, M1, TPG) are excellent in Singapore. Singtel is the largest and has the most infrastructure, but the performance difference in practice is negligible. Choose based on price, not carrier.
How much data do I need for Singapore?
For a 4–7 day trip with moderate use (maps, transit apps, social media, browsing), 3–5 GB is sufficient. Singapore's fast 5G network loads content quickly, which can actually increase data consumption without you noticing.
Does Singapore eSIM work in Malaysia or Indonesia?
No. A Singapore-specific eSIM works only in Singapore. For a Singapore + Malaysia or Indonesia trip, the Asia regional eSIM covers all three on one plan: even its smallest 7-country tier includes Singapore, Malaysia and Indonesia. For a single side trip, a second country eSIM also works.
Flysimio Singapore eSIM
$1.38 from · instant QR · 7-day refund
Maya Okafor
Senior Travel Connectivity Editor
Maya has tested eSIMs across 40+ countries over five years of full-time travel — from Tokyo subways to Patagonian backroads. She runs Flysimio’s hands-on network and speed testing.