HelloRoam sells 6 Mongolia eSIM plans on Mobicom 4G, from $5.76 for 1 GB to $81.00 for 20 GB at $4.05 per GB. Airalo is cheaper at the 5 GB size, $11.00 against HelloRoam at $27.45. HelloRoam answers with hotspot sharing on all 1,129 of its plans and a 180-day refund on an unactivated eSIM.
ETBy eSIMRated Editorial TeamEditorial Team· Reads every plan a provider publishes for a destination, checks its network list and terms against the provider's own pages, and scores it on eSIMRated's published five-category rubric.||
All 6 Mongolia eSIM plans compared, from $5.76 to $81
eSIM provider comparison for Mongolia. Prices verified September 20, 2026.
Provider
Price (5GB)
Coverage
Rating
Best For
HelloRoam
$27.45
Mobicom
4.9/5
180-day refund
Airalo
$11.00
200+ countries
4.5/5
Most destinations
Holafly
Unlimited
160 countries
4.2/5
Heavy users
Our top 3 picks for Mongolia
We evaluated 6 eSIM plans available for Mongolia, comparing them on verified pricing, network coverage, top-up availability, and app quality. Five stood out.
HelloRoam
Verified pricing
$27.45
5 GB / 30 days
Pros: Mongolia coverage on Mobicom, hotspot sharing and top-up on every plan, 24/7 support in 63 languages, and a 180-day refund on an unactivated eSIM. Cons: Newer brand, smaller community than Airalo.
Mobicom is the only network a Mongolia eSIM reaches
HelloRoam sells eSIM plans for Mongolia. Mobicom is the only Mongolian network open to international eSIMs, which is why all 6 HelloRoam Mongolia plans route onto it. Mobicom covers all of Ulaanbaatar, including the downtown Sukhbaatar Square area, the National Museum, and Gandantegchinlen Monastery.
Signal follows the Trans-Mongolian Railway south through Sainshand toward the Chinese border. Ger camp operators near Terelj National Park report 3G to 4G signal at most sites within 80 km of Ulaanbaatar. Beyond that radius, coverage becomes a patchwork based on distance from paved roads.
Coverage analysis
Mongolia's vast territory creates one of the world's starkest coverage contrasts. Ulaanbaatar has solid 4G including in the yurt districts on the city's northern hills. Terelj National Park and the nearby Genghis Khan Equestrian Statue both have usable 4G.
The Trans-Mongolian Railway corridor carries signal at every town stop but drops between stations for long stretches. The Gobi Desert ger camps around Khongoryn Els sand dunes are mostly offline, with signal only at Dalanzadgad town. The Orkhon Valley and Khövsgöl Lake area near the Russian border have no reliable coverage outside Mörön town.
Download offline maps before leaving Ulaanbaatar for any steppe or desert itinerary.
Activation
Install your eSIM before landing at Chinggis Khaan International Airport (ULN) in Ulaanbaatar. Mobicom activates automatically at the terminal. Bring a portable power bank for remote areas, as signal searching in low-coverage zones drains batteries faster.
Terelj day trips from Ulaanbaatar maintain signal for the first 60 km. Pack offline entertainment for Gobi itineraries of 3 or more days where signal is unavailable.
Data usage tips
Mongolia requires more offline preparation than most destinations. Download Google Maps offline tiles for the Gobi, Orkhon Valley, and Khövsgöl regions before leaving Ulaanbaatar. Budget 400-600 MB per day in the capital for translation apps, social media, and navigation.
Mongolian cuisine booking apps and tour guides use minimal data. The Naadam Festival grounds in July have congested signal, so pre-download festival schedules. Satellite messaging devices are a practical backup for multi-week steppe expeditions.
eSIM plan pricing in Mongolia
Mongolia eSIM pricing reflects a single-carrier market. A 1 GB plan for 7 days costs $5.76. Five GB over 30 days runs $27.45, which is steep but workable for a long stay based in Ulaanbaatar.
Ten GB costs $43.05, and 20 GB reaches $81, which works out to $4.05 per GB. A 1 GB per day plan costs $5.99 for city-only stays. Every plan tethers and takes a top-up, and an unactivated eSIM stays refundable for 180 days.
Bottom line: HelloRoam sells 6 Mongolia plans on Mobicom 4G from $5.76, and at the 5 GB size Airalo is the cheaper buy at $11 against HelloRoam's $27.45.
Mongolia plans by trip length
Mongolia 20GB 30Days
Mobicom (4G)30 daysTop-up available
$81.00
20 GB · 30 days
Per GB$4.05
TetheringYes
NetworkMobicom
Mongolia 10GB 30Days
Mobicom (4G)30 daysTop-up available
$43.05
10 GB · 30 days
Per GB$4.31
TetheringYes
NetworkMobicom
Mongolia 5GB 30Days
Mobicom (4G)30 daysTop-up available
$27.45
5 GB · 30 days
Per GB$5.49
TetheringYes
NetworkMobicom
Mongolia 1GB 7Days
Mobicom (4G)7 daysTop-up available
$5.76
1 GB · 7 days
Per GB$5.76
TetheringYes
NetworkMobicom
Mongolia 3GB 30Days
Mobicom (4G)30 daysTop-up available
$18.16
3 GB · 30 days
Per GB$6.05
TetheringYes
NetworkMobicom
All eSIM plans for Mongolia. Prices verified September 20, 2026.
Plan
Network
Validity
Price
Mongolia 20GB 30Days ⭐
Mobicom
30 days / 20 GB
$81.00
Mongolia 10GB 30Days
Mobicom
30 days / 10 GB
$43.05
Mongolia 5GB 30Days
Mobicom
30 days / 5 GB
$27.45
Mongolia 1GB 7Days
Mobicom
7 days / 1 GB
$5.76
Mongolia 3GB 30Days
Mobicom
30 days / 3 GB
$18.16
Mongolia 1GB/DayFair use policy
Mobicom
1 day / 1 GB per day
$5.99
Prices verified: September 20, 2026
Questions about Mongolia eSIMs
What is the best eSIM for Mongolia?
+
HelloRoam sells 6 Mongolia plans on Mobicom 4G, the one network open to visitor eSIMs. A 5 GB plan costs $27.45, and 20 GB costs $81, or $4.05 per GB. Airalo is cheaper at the 5 GB size for $11. Mobicom carries Ulaanbaatar and the rail corridor, while the Gobi beyond 150 km from any city has no signal to sell.
How much does an eSIM for Mongolia cost?
+
HelloRoam sells 6 Mongolia plans on Mobicom 4G, starting at $5.76 for 1 GB over 7 days. A 3 GB plan costs $18.16, 5 GB costs $27.45, 10 GB costs $43.05, and 20 GB costs $81, which is $4.05 per GB. A 1 GB per day plan costs $5.99 and suits stays inside Ulaanbaatar, where the network holds up all day.
How do I activate an eSIM in Mongolia?
+
Install the HelloRoam eSIM QR code before you fly, then switch the line on after landing at Chinggis Khaan International Airport. Mobicom registers automatically, with no store visit and no local ID. Carry a power bank of 20,000 mAh or more for remote travel, because signal searching drains the battery on the steppe. Download offline Google Maps tiles for everything outside Ulaanbaatar first.
How much data do I need in Mongolia?
+
HelloRoam sells eSIM plans for Mongolia. Ulaanbaatar needs 500 MB to 1 GB per day for navigation, social media, and tour bookings. Outside the capital, data use drops to near zero in the Gobi and steppe where coverage is absent. A 3 GB plan covers a two-week trip if you use offline maps aggressively outside Ulaanbaatar. Heavy city users should pick 5 GB.
Which networks do eSIMs use in Mongolia?
+
HelloRoam sells eSIM plans for Mongolia. eSIM plans in Mongolia connect exclusively to Mobicom, running 4G. Mobicom covers Ulaanbaatar and the Trans-Mongolian Railway corridor. Mobicom signal reaches Terelj National Park within 80 km of Ulaanbaatar and the key tourist sites at Erdene Zuu Monastery near Kharkhorin. Gobi Desert camp areas are outside Mobicom's 4G footprint, so download offline maps in the capital before you drive south.
Does my phone support eSIM in Mongolia?
+
HelloRoam sells eSIM plans for Mongolia. iPhone XS or newer, Pixel 3a or newer, and Galaxy S20 or newer support eSIM in Mongolia. Your device must be carrier-unlocked. Mongolia uses 4G Band 3 and Band 7 frequencies, standard across most modern smartphones. Check your unlock status before purchase, and most dual-SIM flagship phones handle Mongolian eSIM without issues.
Does eSIM work in the Gobi Desert?
+
HelloRoam sells eSIM plans for Mongolia. The Gobi Desert is largely outside Mobicom's 4G coverage. Dalanzadgad town, the main gateway to the Gobi, has 4G. The ger camp areas near Khongoryn Els sand dunes are offline, and Yolyn Am canyon and Flaming Cliffs at Bayanzag have no signal. Download offline maps and route information in Ulaanbaatar before any Gobi itinerary.
Does eSIM work at Terelj National Park?
+
HelloRoam sells eSIM plans for Mongolia. Terelj National Park has usable 4G within about 60 to 80 km of Ulaanbaatar. The Turtle Rock landmark, Ariyabal Meditation Temple, and Genghis Khan Equestrian Statue near the park entrance all have signal. Camp areas deeper in the park beyond the main road have intermittent coverage. Download offline maps for hiking trails.
Is the Mongolian Naadam Festival well covered by eSIM?
+
HelloRoam sells eSIM plans for Mongolia. Ulaanbaatar's Naadam Festival grounds have 4G coverage, but network congestion during the July event can slow speeds significantly. The national stadium in UB has signal throughout. Wrestling, archery, and horse racing events at the main venue maintain connectivity for photo uploads and social media. Pre-download schedules to avoid slow-load frustration.
Provider reviews
Read our in-depth reviews of the top eSIM providers available in Mongolia.
MN
