1 verified O2 roaming price from O2's official pages, checked 25 Oct 2026. See what each option costs over a trip and how it compares with a Graba SIM travel eSIM.
حفظ £36.75 on a 7-day trip to United States with a 5 GB Graba SIM eSIM (£12.25)
QUICK ANSWER
O2 (United Kingdom) publishes 1 roaming price we verified. The lowest is Travel Bolt On (pay monthly) at £7 per day (days used), covering 75 destinations outside Europe Zone (incl. USA, Canada, Australia, New Zealand, Mexico). Over a 7-day trip that is £49; a 5 GB Graba SIM eSIM for United States costs £12.25, £36.75 less. Checked on o2.co.uk, 25 Oct 2026.
Network type
Mobile network
Roaming options
2
Verified prices
1
Official source
o2.co.uk
YOUR TRIP
What O2 roaming adds up to
Day passes often use your home allowance, so pick the data you'd really use. Every saving on this page updates.
O2 price as published on its website, checked 25 Oct 2026. Daily charges usually apply only on days you use your phone abroad — check the zone list for your destination.
2 ROAMING OPTIONS
O2 roaming plans and add-ons
Verified prices first. Other options show the plan and its terms; open the official page for the current price on your plan.
75 destinations outside Europe Zone (incl. USA, Canada, Australia, New Zealand, Mexico)
Terms and eligibility
Pay Monthly customers without O2 Travel Inclusive Zone / Ultimate bolt-on; charged only on days used; Spend Cap does not include this charge Unlimited minutes, texts and data while bolt-on active; Europe Zone treated separately
O2's lowest published charge — Travel Bolt On (pay monthly), £7 per day (days used) — against the cheapest Graba SIM plan with at least 5GB that lasts the whole trip.
Check that your destination is in the zone for that charge. Your bill can be lower if you don't use your phone every day, or higher with calls, texts and out-of-bundle use. Graba SIM plans are data-only and prepaid.
SKIP THE ROAMING BILL
Travel eSIM prices for popular trips
Prepaid Graba SIM data for a week away. Keep your home SIM on for calls and texts with its data roaming off.
O2 publishes O2 Travel Bolt On (Pay Monthly) at £7 per day (days used). These prices were read from O2's website on 25 Oct 2026; zones and eligibility apply.
Is a travel eSIM cheaper than O2 roaming?
For a 7-day trip, O2 Travel Bolt On (Pay Monthly) comes to £49 if charged for the whole trip. A Graba SIM 5GB, 30-day plan for United States costs £12.25. Your total depends on how many days you use roaming and what else you use.
Does O2 charge for roaming in Europe?
O2 lists 1 option for this: Travel Bolt On (pay monthly) at £7 per day (days used). Confirm your destination is in the zone before you travel.
How much is O2 roaming in the USA?
O2 lists 2 options for this: Travel Bolt On (pay monthly) at £7 per day (days used) and Travel Pay Monthly Bolt On. Prices without a figure depend on your plan, so check O2's official page. Confirm your destination is in the zone before you travel.
How do I stop O2 roaming charges on my phone?
Before you land, open Settings and turn Data Roaming off for your O2 line (iPhone: Mobile Service or Cellular; Android: SIMs or Mobile network). Turn off automatic data switching too. To avoid calls and texts being charged, turn the O2 line off or use Wi-Fi calling where O2 allows it.
Can I keep my O2 number while using a Graba SIM eSIM?
Yes, on a dual-SIM phone. Keep your O2 line on for calls and texts with its Data Roaming off, and set the Graba SIM eSIM as your mobile data line. O2 may still charge for calls, texts and voicemail abroad.
Where does this O2 information come from?
From O2's own website, last checked 25 Oct 2026. Each option links to the page it came from. Graba SIM is not affiliated with O2.
The price, currency and how it is charged were read from the operator's own website on the date shown.
Policy published
The operator explains its roaming rules, but not as one fixed price — for example, inclusive roaming that depends on your plan.
Check price with operator
The plan exists, but its price depends on your contract or destination. Use the official link to see yours.
Archived plan — not re-checked
Recorded in an earlier research pass and not re-checked yet. We show the plan name and terms, never the old price.
A blank price means we could not verify one — never that it is free. Prices include or exclude tax as the operator publishes them. Snapshot: 25 October 2026. Logos are trademarks of their owners and identify each network only; Graba SIM is not affiliated with these operators.
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