Skip to main content
siima
🇲🇳

Ulaanbaatar eSIM

14 Mongolia plans · from $37.21

Half of Mongolia's population lives in Ulaanbaatar and the other half lives in a country three times the size of France. That contrast is the whole story for connectivity here: the capital is well covered, and the steppe and Gobi are where a plan stops meaning anything.

Landing at Chinggis Khaan International (UBN)

The airport opened in 2021 and sits about 50km south of the city — roughly an hour, considerably further than the old one. Arrange your transfer in advance; taxis are informal and metered fares are not the norm.

eSIM plans that cover Ulaanbaatar

Ulaanbaatar is covered by every Mongolia plan below — there is no separate city-only eSIM to buy.

Choose a data plan

1 GB

7 days· 0.0 GB per $1

$37.21

★ BEST VALUE

Unlimited

1 days· ∞ GB per $1

$41.11

2 GB

15 days· 0.0 GB per $1

$68.42

3 GB

30 days· 0.0 GB per $1

$95.73

Unlimited

3 days· ∞ GB per $1

$119.15

5 GB

30 days· 0.0 GB per $1

$148.40

Unlimited

5 days· ∞ GB per $1

$197.17

10 GB

30 days· 0.0 GB per $1

$236.18

Which networks you'll be on in Ulaanbaatar

Siima eSIMs for Mongolia ride Unitel and Mobicom. Coverage is strong in Ulaanbaatar and the provincial centres and follows the main roads; away from those it disappears fast.

Coverage around Ulaanbaatar

Ulaanbaatar

Good 4G across Sükhbaatar Square, Gandan monastery, the Zaisan memorial and the ger districts on the hills. Winter is the constraint here, not signal — plan around −30°C, not around coverage.

Terelj and the near countryside

The national park 90 minutes east has coverage at the main ger camps and along the road. The valleys and ridges behind them do not.

The Gobi and the steppe

Multi-day tours south run for hours between anything resembling a network. Coverage exists in the sum centres and vanishes between them — this is genuinely the emptiest place most travellers will ever take a phone.

Naadam and the festival season

The July festival concentrates enormous crowds in the stadium and at the countryside events; local cells congest badly. Agree meeting points rather than relying on live messaging.

How much data you need

Two weeks in Mongolia is 2–3 GB — high use in the capital, almost none once you leave it. Download every map, booking and playlist before you head out.

Work it out with our data usage calculator →

Frequently asked questions

Will my eSIM work on a Gobi or steppe tour?
Only intermittently. Coverage follows the towns and main roads; between them there are stretches of many hours with nothing from any carrier. Tour operators plan around this — go with one that carries a satellite phone.
Does a Mongolia eSIM cover a crossing into China?
No — each is a separate country plan, and overland rail routes cross the border. China also has the Great Firewall to plan around, which Mongolia does not.
How do I set up an eSIM before arriving in Ulaanbaatar?
Install it at home while you still have Wi-Fi: open Settings → Cellular → Add eSIM and scan the QR code from your Siima confirmation email. Leave the line switched off until you land — the plan starts counting from first use in Mongolia, not from purchase.
How much data do I need for a trip to Ulaanbaatar?
Two weeks in Mongolia is 2–3 GB — high use in the capital, almost none once you leave it. Download every map, booking and playlist before you head out.
Is an eSIM cheaper than roaming in Ulaanbaatar?
Almost always. Daily roaming passes from most home carriers run $10–15 per day, while Siima plans covering Ulaanbaatar start from $37.21 for the whole trip. You also avoid per-megabyte charges if you exceed a roaming pass allowance.
← All Mongolia eSIM plans