Three roaming in Singapore: what it costs, and when an eSIM is cheaper
Data in Singapore is included with Complete. Otherwise, it costs £8.00/day (Daily roaming charge – Go Roam Around the World). An eSIM for 7 days and 6 GB costs from $11.00 (Ubigi).
Rates checked on October 21, 2026 in the official price guide · Source: Three
The best eSIMs in Singapore for a week
For 7 days and 6 GB
- 1Best unlimited
GigSky
Unlimited · 7 days
$24.49$3.50 per day- 3.5 GB a day at full speed, then 500 kbps
- Networks: Singtel and StarHub
- Hotspot allowed
- 2Cheapest
Ubigi
10 GB · 7 days
$11.00$1.10 per GB- Lowest total price for 7 days
- Networks: SIMBA and StarHub
- Hotspot allowed
- 3Best price per GB
GoMoWorld
17 GB · 30 days
$12.99$0.76 per GB- Lowest price per GB for this trip
- Hotspot allowed
Three steps, three questions: the best unlimited plan, the cheapest and the best price per GB, from three different providers. How we pick the podium · Affiliate links
Three or an eSIM in Singapore: our verdict
Depending on your plan and trip length, at the prices read on October 22, 2026.
If your plan includes Singapore
Keep Three
With Complete, data in Singapore is included at no extra cost, within your allowance abroad.
Otherwise, with Three
£8.00/day
Daily roaming charge – Go Roam Around the World. For 7 days and 6 GB, expect £30.00.
Affiliate links
Data in Singapore with Three: our analysis
What Three’s rate sheet and eSIM prices show, as checked on October 22, 2026.
The right pass for your trip length
- 3 daysGo Roam Around the World pass, 3-day£12.50
- 1 weekGo Roam Around the World pass, 7-day£30.00
- 2 weeksGo Roam Around the World pass, 14-day£60.00
- 1 month10 × Go Roam Around the World pass, 3-day£125.00
Against the cheapest eSIM
Three charges in GBP and the cheapest eSIM is sold in USD: we convert nothing. For a week, expect £30.00 with Three and $11.00 with the eSIM (Ubigi).
eSIMs in Singapore at a glance
- In Singapore, we compare plans from 7 eSIM providers: Airalo, GigSky, GoMoWorld, Nomad, Orange Travel, Ubigi, and Yesim.
- The cheapest unlimited plan for a week is from GigSky: $24.49 (Unlimited · 7 days).
- Locally, the cheapest prepaid SIM card for a week costs S$10 (Singtel, 500 GB, 7 days); see our SIM card comparison in Singapore.
Three applies the same rate in 6 other destinations we track, including Australia, Indonesia, New Zealand, Peru, and the United States.
Plan by plan
What applies in Singapore depending on your Three plan.
What Three’s official rate sheet sets out in Singapore, offer by offer. “Included” means at no extra cost, within your allowance abroad: your Three account shows the one on your line.
| Plan or offer | Data in Singapore |
|---|---|
| Daily roaming charge – Go Roam Around the World | £8.00/day |
| Complete | Included |
| Go Roam Around the World pass (3-day) | £12.50 for 3 days |
| Go Roam Around the World pass (7-day) | £30.00 for 7 days |
| Go Roam Around the World pass (14-day) | £60.00 for 14 days |
What your trip costs
With the Three roaming rate, against today’s cheapest eSIM, for everyday use.
| Trip | With Three | Cheapest eSIM | The offer |
|---|---|---|---|
| 3 days · 3 GB | £12.50 Go Roam Around the World pass, 3-day | $4.99 GoMoWorld | See the plan |
| 7 days · 6 GB | £30.00 Go Roam Around the World pass, 7-day | $11.00 Ubigi | See the plan |
| 14 days · 12 GB | £60.00 Go Roam Around the World pass, 14-day | $12.99 GoMoWorld | See the plan |
| 30 days · 24 GB | £125.00 10 × Go Roam Around the World pass, 3-day | $22.00 Ubigi | See the plan |
Affiliate links
Singapore with other UK carriers
The same trip with the other UK carriers we track, from their official rate sheets.
Of the 4 UK carriers we track, 3 include Singapore in at least one plan: EE, O2, and Three.
EE
O2
VodafoneTurn off Three roaming and use an eSIM
Four settings, before you leave or on the plane.
- 1
Install the eSIM at home
Buy it and scan its QR code before you leave: with most providers, the plan only starts when you first connect at your destination.
- 2
Keep Three for calls
In your settings, keep your Three line for calls and texts, and pick the eSIM for mobile data.
- 3
Turn off Three roaming
On iPhone: Settings › Cellular › your Three line › Data Roaming. On Android: Settings › Mobile networks › Roaming.
- 4
Keep eSIM roaming on
A travel eSIM uses the local networks: its data roaming must stay on.
Three roaming in Singapore: your questions
Answered from the Three price guide and today’s prices.
Is data in Singapore included in my Three plan?
Yes, with Complete. Otherwise, it costs £8.00/day (Daily roaming charge – Go Roam Around the World).
How much does data cost in Singapore with Three?
£8.00/day (Daily roaming charge – Go Roam Around the World), so £56.00 for 7 days and 6 GB. An eSIM covering the same week costs from $11.00 (Ubigi), checked on October 22, 2026.
Which Three pass should I get for Singapore?
The best Three option depends on how long you stay: for 3 days, Go Roam Around the World pass, 3-day (£12.50); for a week, Go Roam Around the World pass, 7-day (£30.00); for two weeks, Go Roam Around the World pass, 14-day (£60.00); for a month, 10 × Go Roam Around the World pass, 3-day (£125.00).
Three or an eSIM in Singapore: which is cheaper?
Three charges in GBP and the cheapest eSIM is sold in USD: we convert nothing. For a week, expect £30.00 with Three and $11.00 with the eSIM (Ubigi).
Which UK carriers include Singapore?
Of the 4 UK carriers we track, 3 include Singapore in at least one plan: EE, O2, and Three.
Which network does an eSIM use in Singapore?
The cheapest one-week eSIM (Ubigi) uses SIMBA and StarHub. Depending on the plan, the 7 providers we compare in Singapore list Singtel, M1, StarHub, and SIMBA.
How do I avoid roaming charges in Singapore?
Use a travel eSIM for data and turn off data roaming on your Three line. You keep your number for calls and texts.
Can I keep my Three number with an eSIM?
Yes, on an eSIM-compatible phone: your Three line stays on for calls and texts while the eSIM carries the data.
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