Compare the best travel eSIM plans for São Tomé and Príncipe in 2026

Compare the best eSIMs for São Tomé and Príncipe across 8 plans from 3 providers.

See São Tomé and Príncipe discounts

Heading to São Tomé and Príncipe? eSIM Giga compares 8 live plans from 3 providers. Last catalogue refresh: 2 August 2026 at 15:41.

The lowest price in the catalogue starts at $14.95 (1 GB, 30 days, Roamless). Best observed price per GB: $7.35/GB.

São Tomé and Príncipe is outside free EU roaming. Classic international roaming can cost more than a full eSIM plan in a single day. For most trips, a travel eSIM is the simplest way to lock your data budget before you fly.

Use the table below to filter by duration, data volume and budget. Verified partner promo codes appear on the matching offers.

Not sure which eSIM plan to choose for São Tomé and Príncipe? We'll hand-pick the best ones just for you

Personalised selection with promo codes & direct links, then reminders before you leave

Compare the best esim plans for São Tomé and Príncipe in 2026

8 plans found · Last update: August 10, 2026

Filter:

#	Plan	Data	Duration	Price/GB	Code	Price
1	São Tomé-Et-Principe Forfait eSIM prépayée - 1Go \| Ubigi Ubigi Compatible apps WhatsAppMapsInstagramTikTok+6 Coverage:	1.00GB	7 days	$24.53	-10%	$24.53$27.25
2	Africa - 30 Days RoamlessUnitel Compatible apps WhatsAppMapsInstagramTikTok+6 Coverage:	1.00GB	30 days	$14.95	-	$14.95
3	50 MB, 10 Call, 50 SMS - 30 Days RoamifyUnitel STP Compatible apps WhatsAppMapsInstagramTikTok+6 Coverage:	0.05GB	30 days	$475.00	-5%	$23.75$25.00
4	Africa - 30 Days RoamlessUnitel Compatible apps WhatsAppMapsInstagramTikTok+6 Coverage:	2.00GB	30 days	$14.23	-	$28.45
5	Africa - 30 Days RoamlessUnitel Compatible apps WhatsAppMapsInstagramTikTok+6 Coverage:	3.00GB	30 days	$13.32	-	$39.95
6	São Tomé-Et-Principe Forfait eSIM prépayée - 3Go \| Ubigi Ubigi Compatible apps WhatsAppMapsInstagramTikTok+6 Coverage:	3.00GB	15 days	$16.02	-10%	$48.07$53.41
7	Africa - 30 Days RoamlessUnitel Compatible apps WhatsAppMapsInstagramTikTok+6 Coverage:	5.00GB	30 days	$9.79	-	$48.95
8	Africa - 30 Days RoamlessUnitel Compatible apps WhatsAppMapsInstagramTikTok+6 Coverage:	10.00GB	30 days	$7.35	-	$73.45

São Tomé-Et-Principe Forfait eSIM prépayée - 1Go | Ubigi

Ubigi

Compatible apps

Coverage:

Data

1.00GB

Duration

7 days

Price/GB

$24.53

Code-10% With discount

$24.53

$27.25

Africa - 30 Days

Roamless · Unitel

Compatible apps

Coverage:

Data

1.00GB

Duration

30 days

Price/GB

$14.95

50 MB, 10 Call, 50 SMS - 30 Days

Roamify · Unitel STP

Compatible apps

Coverage:

Data

0.05GB

Duration

30 days

Price/GB

$475.00

Code-5% With discount

$23.75

$25.00

Africa - 30 Days

Roamless · Unitel

Compatible apps

Coverage:

Data

2.00GB

Duration

30 days

Price/GB

$14.23

$28.45

Africa - 30 Days

Roamless · Unitel

Compatible apps

Coverage:

Data

3.00GB

Duration

30 days

Price/GB

$13.32

$39.95

São Tomé-Et-Principe Forfait eSIM prépayée - 3Go | Ubigi

Ubigi

Compatible apps

Coverage:

Data

3.00GB

Duration

15 days

Price/GB

$16.02

Code-10% With discount

$48.07

$53.41

Africa - 30 Days

Roamless · Unitel

Compatible apps

Coverage:

Data

5.00GB

Duration

30 days

Price/GB

$9.79

$48.95

Africa - 30 Days

Roamless · Unitel

Compatible apps

Coverage:

Data

10.00GB

Duration

30 days

Price/GB

$7.35

$73.45

Need additional countries? Open Filters and pick countries to keep only compatible eSIM plans.

Which eSIM fits your trip to São Tomé and Príncipe?

Three common travel styles, three focused picks. Enter the partner promo code at checkout, then fine-tune plans in the comparison table above.

Short stay or city break
A few days on the ground: maps, messaging and socials.
Recommended minimum: 5 GB
For short stays, compare data, duration and price across providers: enough for maps, messaging and socials without overpaying.
Up to 3 plans that match this travel style
- Roamless
  5 GB·30 days
  $48.95
  Coverage:
Family & hotspot sharing
Several phones, mixed usage, you want peace of mind.
Recommended minimum: 20 GB
For families, favor large buckets or unlimited for the whole trip, then double-check hotspot rules and fair-use policies.
Up to 3 plans that match this travel style
- Ubigi
  1 GB·7 days
  $27.25$24.53
  Coverage:
  -10%
- Roamless
  1 GB·30 days
  $14.95
  Coverage:
- Roamify
  0.05 GB·30 days
  $25.00$23.75
  Coverage:
  -5%
Remote work & digital nomads
Video calls, large files, sustained mobile usage.
Recommended minimum: 30 GB
For remote work, aim for a comfortable allowance (often 30+ GB) or unlimited, and validate network coverage and stability for your destination.
Up to 3 plans that match this travel style
- Ubigi
  3 GB·15 days
  $53.41$48.07
  Coverage:
  -10%
- Roamless
  1 GB·30 days
  $14.95
  Coverage:
- Roamify
  0.05 GB·30 days
  $25.00$23.75
  Coverage:
  -5%

How to choose an eSIM for São Tomé and Príncipe

Focus on three things: trip length, data volume (maps, messaging, social, streaming), and whether you need unlimited data or hotspot tethering.

Tight budget: start from the cheapest plan ($14.95 with Roamless), then step up data if needed.
Heavy usage: no unlimited plan is listed right now; pick the largest data packs.
Best balance: our ranking currently highlights Roamless ($14.95, 1 GB).

Mobile networks in São Tomé and Príncipe

Based on plan records in our database, eSIMs for São Tomé and Príncipe often use: Unitel, Unitel STP. Real-world 4G/5G coverage still depends on the local operator and where you travel.

Catalogue region: Africa.

Install your eSIM before you land in São Tomé and Príncipe

Pick a plan in the comparator (duration and data that match your trip).
Buy from the provider: you usually get a QR code or eSIM profile by email within minutes.
Install on stable Wi-Fi before departure (iPhone XS+, Samsung Galaxy S20+, Google Pixel 3+, and most recent smartphones).
On arrival, enable the eSIM data line. Keep your primary SIM for calls/SMS if you want.

Top São Tomé and Príncipe eSIM picks 2026

Below is a shortlist built from our ranking and live catalogue prices (August 2026). The full table remains the source of truth for every offer.

Comparatif

Top 5 eSIM picks for São Tomé and Príncipe (2026)

#	Fournisseur	Data	Durée	Prix	Code promo	Idéal pour
1	Roamless	1 GB	30 days	$14.95	—	Top pick from our ranking
2	Roamless	10 GB	30 days	$73.45	—	Roamless
3	Roamify	0.05 GB	30 days	$23.75		Roamify
4	Roamify	0.05 GB	30 days	$23.75		Roamify
5	Roamify	0.05 GB	30 days	$23.75		Roamify

All promo codes

Why compare on eSIM Giga

8 offers aggregated for São Tomé and Príncipe, refreshed regularly.
Price, data, duration and networks visible before the affiliate click.
Verified partner promo codes when available.
Country, unlimited and promo pages to match how you travel.

FAQ

How much do eSIMs for São Tomé and Príncipe cost?

In our live catalogue, the cheapest plan starts at $14.95 (1 GB, 30 days from Roamless). We currently list 8 offers from 3 providers.

Do I need an eSIM in São Tomé and Príncipe?

In most cases yes: outside free EU roaming, classic roaming fees add up fast. A travel eSIM locks your data cost before you leave.

Which local networks do eSIMs use in São Tomé and Príncipe?

According to our plan database: Unitel, Unitel STP. The exact network depends on the eSIM provider you choose.

What is the best unlimited eSIM for São Tomé and Príncipe?

No unlimited plan is available for São Tomé and Príncipe in the catalogue right now. Look at the largest data packs instead.

When was the São Tomé and Príncipe eSIM comparison last updated?

Catalogue data last refreshed: 2 August 2026 at 15:41. Provider prices and availability can still change.

Written and reviewed by

Valentin FourierDigital Nomad

Developer and digital nomad, I lived between Canada and the United States before continuing to explore the world. After struggling with internet connectivity abroad one too many times, I created eSIMPlanet to compare plans clearly and honestly. Every article is carefully written and reviewed to save you time and money.

Last updated : August 2, 2026 at 01:41 PM