Live, factual prices
Roamiya rate from our live catalog. Carrier rate referenced from each provider's published travel-pass tariffs.
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Prices checked May 2026
Roamiya is the lowest indexed option for this trip and costs less than O2 UK standard roaming.
Montenegro 5GB 30 Days
$7.49
21 days · 5 GB· Instant delivery
O2 Travel Bolt On 24 Hours
£147.00
Plan: Daily feeSource: carrier rate page
Roamiya rate from our live catalog. Carrier rate referenced from each provider's published travel-pass tariffs.
Both prices reflect the same destination, trip length, and data target so the comparison stays apples-to-apples.
Catalog and carrier tariffs are revalidated regularly. Last verified May 2026.
Compare O2 UK, Roamiya, and this Montenegro scenario side by side.
Price
✓Carrier: £147.00
Roamiya: $7.49
Data
~Carrier: Daily fee
Roamiya: 5 GB
Duration
~Carrier: 21 days
Roamiya: 30 days
Coverage
✓Carrier: 74 countries
Roamiya: 1 country
Activation
✓Carrier: Varies
Roamiya: Instant
Contract
✓Carrier: Required
Roamiya: None
Limitations
Carrier: Calls/SMS depend on plan terms
Roamiya: Data-only eSIM; use VoIP apps for calls and messaging
Match
~Carrier: 5 GB / 21 days (scenario)
Roamiya: Meets or exceeds
Complete alternative-carrier pricing is not available for this Montenegro trip yet. This page still compares O2 UK roaming against Roamiya at $7.49.
Carrier price last checked May 2026 for O2 UK O2 Travel Bolt On 24 Hours; comparison assumes 21 days and 5 GB.
O2 UK pricing recency and Roamiya package pricing are evaluated against the same trip assumptions before this page is published. Last verified May 2026.
Ready to choose the cheaper Montenegro option?
Open the matched Roamiya eSIM route for this scenario.
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