HelloRoam sells eSIM plans for Montenegro. at $3.49 for 1 GB and $11.49 for 5 GB on m:tel CG and T-Mobile. Airalo covers more ground at 200 destinations to HelloRoam's 185, though HelloRoam tops up a live eSIM on 1,124 of its 1,129 plans with no new QR code. m:tel carries the coast from Herceg Novi through Kotor and Budva to Ulcinj.
m:tel CG and T-Mobile carries every HelloRoam Montenegro plan
m:tel CG runs the 5G network behind every HelloRoam Montenegro plan, and its towers sit where the traffic is: the coastal belt from Herceg Novi through Kotor, Budva, Bar and Ulcinj, plus Podgorica city center and suburbs. The Durmitor National Park and Tara Canyon area have intermittent signal, primarily at viewpoints and park entry areas. Montenegro's other carriers include Telenor and T-Mobile, but m:tel is the one an international eSIM attaches to.
通信範囲の分析
m:tel 4G covers Kotor Old Town and Bay of Kotor comprehensively. Budva Riviera including Sveti Stefan Island has strong coastal coverage. Podgorica's Stari Grad (Old Town), Novi Grad business district, and both airports (Tivat and Podgorica) have full 4G.
The Skadar Lake area along the Albanian border has workable 4G. Durmitor National Park has signal at Zabljak town and the main viewpoints; remote hiking trails and the Tara Canyon rafting zones see 3G or no signal. Coastal highway M2.3 from Herceg Novi to Ulcinj holds 4G throughout.
開通方法
Install your eSIM QR code before landing at Tivat Airport (TIV) or Podgorica Airport (TGD), then switch the line on when you arrive. m:tel registers automatically, with no SIM counter visit and no registration paperwork. Tivat Airport serves the Kotor and Budva coastal region directly, so a pre-installed eSIM skips the arrivals queue in summer. Your plan activates from first data use. iPhone XS or newer, Pixel 3a or newer, and Galaxy S20 or newer support eSIM.
データ通信の活用のコツ
Budget 300-500 MB per day for Google Maps navigation around Kotor's winding mountain roads and the coastal drive to Budva, booking apps for boat tours of the Bay of Kotor, WhatsApp for local tour operators, and Instagram posts. The drive from Kotor to the Lovcen National Park viewpoint uses constant GPS, consuming 100-150 MB per hour of navigation. Download offline maps of the Bay of Kotor before arrival to save live data during coastal drives.
A week in Montenegro typically needs 3-5 GB, which the $11.49 5 GB plan covers.
MontenegroのeSIMプラン料金
Montenegro eSIM plans start at $3.49 for 1 GB over 7 days on m:tel CG and T-Mobile. A 3 GB plan costs $7.99 and 5 GB costs $11.49. Ten GB costs $19.49, and the 20 GB plan at $31.49 works out to $1.57 per GB.
A per-day unlimited plan costs $5.99 for travelers who want a high-speed daily allowance instead of a monthly bucket. Every plan tethers and takes a top-up without a new QR code, and an unactivated eSIM stays refundable for 180 days. Bottom line: a coastal week from Kotor to Ulcinj runs $11.49 at 5 GB on m:tel CG 5G, and no voice minutes or SMS come with it.
Choosing a Montenegro plan by trip length
Montenegro 20GB 30Days
m:tel CG (5G), T-Mobile (5G)30日チャージ可能
￥4,786
20 GB · 30日
1GBあたり￥239
テザリング可
ネットワークm:tel CG and T-Mobile
Montenegro 10GB 30Days
m:tel CG (5G), T-Mobile (5G)30日チャージ可能
￥2,962
10 GB · 30日
1GBあたり￥296
テザリング可
ネットワークm:tel CG and T-Mobile
Montenegro 5GB 30Days
m:tel CG (5G), T-Mobile (5G)30日チャージ可能
￥1,746
5 GB · 30日
1GBあたり￥349
テザリング可
ネットワークm:tel CG and T-Mobile
Montenegro 3GB 30Days
m:tel CG (5G), T-Mobile (5G)30日チャージ可能
￥1,214
3 GB · 30日
1GBあたり￥405
テザリング可
ネットワークm:tel CG and T-Mobile
Montenegro 1GB 7Days
m:tel CG (5G), T-Mobile (5G)7日チャージ可能
￥530
1 GB · 7日
1GBあたり￥530
テザリング可
ネットワークm:tel CG and T-Mobile
Montenegroの全eSIMプラン。価格確認日：2026年9月20日。
プラン
ネットワーク
有効期限
価格
Montenegro 20GB 30Days ⭐
m:tel CG and T-Mobile
30日 / 20 GB
￥4,786
Montenegro 10GB 30Days
m:tel CG and T-Mobile
30日 / 10 GB
￥2,962
Montenegro 5GB 30Days
m:tel CG and T-Mobile
30日 / 5 GB
￥1,746
Montenegro 3GB 30Days
m:tel CG and T-Mobile
30日 / 3 GB
￥1,214
Montenegro 1GB 7Days
m:tel CG and T-Mobile
7日 / 1 GB
￥530
Montenegro 2GB/Day
m:tel CG and T-Mobile
1日 / 1日あたり2 GB
￥910
Prices verified: 2026年9月20日
Questions about Montenegro eSIMs
What is the best eSIM for Montenegro?
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HelloRoam sells 6 Montenegro plans on m:tel CG and T-Mobile, from $3.49 for 1 GB. A 5 GB plan at $11.49 covers a coastal week from Kotor to Ulcinj, and 20 GB costs $31.49, or $1.57 per GB. Every plan tethers and takes a top-up. Airalo lists 200 destinations and Holafly 160, but neither publishes a verified Montenegro rate this page can check.
How much does a Montenegro eSIM cost?
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HelloRoam's Montenegro plans start at $3.49 for 1 GB over 7 days on m:tel CG and T-Mobile. A 3 GB plan costs $7.99, 5 GB costs $11.49, 10 GB costs $19.49, and 20 GB costs $31.49, which is $1.57 per GB. A per-day unlimited plan costs $5.99. Prices were verified against the live catalogue in May 2026.
Does eSIM work in Kotor and the Bay of Kotor?
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HelloRoam sells eSIM plans for Montenegro. Yes, m:tel 4G covers Kotor's UNESCO Old Town fully, including the city walls and the waterfront promenade. The Bay of Kotor from Herceg Novi through Risan and Perast to Kotor has consistent coastal coverage. Ferry routes across the bay have workable signal. Boat trips through the narrow inner bay passages maintain 4G from shoreline towers.
Which network does eSIM use in Montenegro?
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HelloRoam sells eSIM plans for Montenegro. The Montenegro eSIM connects to m:tel CG and T-Mobile (Montenegrin Telecommunications), the country's primary 4G network. m:tel covers all coastal resort areas, Podgorica, and the main road network. Coverage is strongest on the Adriatic coast and weakest in the remote mountain interior of Durmitor and Prokletije National Parks. All 6 plans, from $3.49 to $31.49, use that one network.
How much data do I need in Montenegro?
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HelloRoam sells eSIM plans for Montenegro. Most Montenegro visitors use 3-5 GB per week. Google Maps for the winding mountain roads around Kotor Bay, booking apps for boat tours and restaurants, and daily social media uploads from the Adriatic use 400-600 MB per day. Active travelers hiking Lovcen or rafting the Tara Canyon need less on outdoor days. The 5 GB plan at $11.49 covers a standard week.
Does eSIM work in Durmitor National Park?
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HelloRoam sells eSIM plans for Montenegro. m:tel has signal in Zabljak, the main town near Durmitor, and at major viewpoints including the Black Lake. Remote hiking trails, the Tara Canyon bottom, and backcountry routes see limited or no 4G. Download offline maps of Durmitor before entering the park. Signal returns at viewpoints and picnic areas along the main park roads.
How do I activate a Montenegro eSIM?
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Install the HelloRoam eSIM QR code before flying to Montenegro, then turn the line on after landing at Tivat or Podgorica Airport. m:tel registers automatically, and Tivat serves the Kotor Bay coast directly. No registration counter or local ID is required. Your plan starts from first data use, so installing 2 or 3 days early wastes no validity.
Is there unlimited data eSIM for Montenegro?
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Yes, HelloRoam offers unlimited data eSIM plans for Montenegro on m:tel CG and T-Mobile. Daily unlimited starts at $5.99. Each day includes a high-speed allowance, then speed is reduced rather than stopping. Fixed-size Montenegro plans run $3.49 for 1 GB over 7 days, $11.49 for 5 GB, and $31.49 for 20 GB across the 6 plans on file.
Can I use my Montenegro eSIM in neighboring countries?
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HelloRoam sells eSIM plans for Montenegro. No, your Montenegro eSIM is valid only in Montenegro. If you plan to cross into Croatia, Bosnia, Albania, or Serbia, you need a separate eSIM or a regional Balkans plan. Country-specific plans exist for each neighbour, priced from $3.49 for 1 GB in Montenegro. Multi-destination travelers should consider a regional European eSIM plan for cross-border trips.
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