O2 Travel Bolt On 24 Hours
- Unlimited calls
- Unlimited SMS
We use cookies to improve your experience and analyze traffic. You can manage your preferences at any time. Cookie Policy
Pick your destination below to see how O2 UK roaming compares to eSIM. Each card opens a detailed comparison with O2 UK context already applied.
Top destinations where travelers compare O2 UK roaming fees. Each opens a detailed comparison.
Same destinations at a glance. Click any row to see the full comparison.
Based on O2 Travel Bolt On 24 Hours. Open any row to keep O2 UK carry-over while you decide.
Source-level proof for advanced travelers comparing O2 UK across destinations. Open after you have a destination shortlist.
Australia comparison
£210.00 · save 99%
Thailand comparison
£210.00 · save 99%
Japan comparison
£210.00 · save 99%
For travelers who want source-level price breakdowns across destinations.
Carrier plan details for reference. Compare with eSIM options above.
Comparison based on O2 UK roaming fees across 70+ destinations.
Last verified May 2026
O2 UK pricing on this page is based on 1 published plan options across 70 destinations, using current source data from www.o2.co.uk.
O2 UK looks least economical in places like Australia and Thailand, where the carrier cost sits well above the matching travel eSIM alternative in current compare rows.
This hub points you to exact compare pages first, so you can review destination-specific evidence before deciding whether a Roamiya eSIM beats O2 UK roaming for your trip.
Navigation utility · Carrier Hub never shows a checkout CTA