Prices in pounds · UK networks · checked 29 October 2026
O2 roaming charges vs a travel eSIM
What O2 charges to use your phone abroad, destination by destination, and what the same trip costs with a prepaid travel eSIM.
What O2 publishes
O2 Travel Bolt On: £7 a day, charged only on days you use your phone abroad, with unlimited calls, texts and data at up to 2 Mbps in 74 destinations outside Europe. O2’s Europe Zone is priced separately, by plan.
Sources: O2 Travel (checked 29 October 2026). Prices change; check before you buy.
A week abroad: O2 vs a Graba SIM eSIM
Where O2 publishes a price for the destination’s zone, here is 7 days of it next to the Graba SIM plan with about 0.7 GB a day for the week. Elsewhere, check O2 for your plan.
- USA
- Giappone
- Turkey
- Thailand
- Egypt
- China
- Canada
- India
- Australia
- UAE
- Mexico
- New Zealand
- Dominican Republic
- Cape Verde
- Sri Lanka
- Montenegro
O2Graba SIM eSIM
| Destination | O2 zone | O2, 7 days | Graba SIM, 7 days | Confronta |
|---|---|---|---|---|
| USA | O2 Travel | £49.00£7 a day × 7 | £4.495GB, 30 days | Confronta |
| Europa | O2 Europe Zone Europe Zone: check your plan | No published price | £4.995GB, 30 days | |
| Francia | O2 Europe Zone Europe Zone: check your plan | No published price | £4.495GB, 30 days | |
| Giappone | O2 Travel | £49.00£7 a day × 7 | £5.495GB, 30 days | Confronta |
| Turkey | O2 Travel | £49.00£7 a day × 7 | £7.995GB, 30 days | Confronta |
| Thailand | O2 Travel | £49.00£7 a day × 7 | £6.255GB, 30 days | Confronta |
| Spain | O2 Europe Zone Europe Zone: check your plan | No published price | £6.4910GB, 30 days | |
| Greece | O2 Europe Zone Europe Zone: check your plan | No published price | £8.995GB, 30 days | |
| Italy | O2 Europe Zone Europe Zone: check your plan | No published price | £5.495GB, 30 days | |
| Portugal | O2 Europe Zone Europe Zone: check your plan | No published price | £3.995GB, 30 days | |
| Egypt | O2 Travel | £49.00£7 a day × 7 | £7.495GB, 30 days | Confronta |
| China | O2 Travel | £49.00£7 a day × 7 | £10.995GB, 30 days | Confronta |
| Canada | O2 Travel | £49.00£7 a day × 7 | £6.995GB, 30 days | Confronta |
| India | O2 Travel | £49.00£7 a day × 7 | £6.995GB, 30 days | Confronta |
| Australia | O2 Travel | £49.00£7 a day × 7 | £3.995GB, 30 days | Confronta |
| Morocco | Not in O2 Travel Standard rates | No published price | £6.995GB, 30 days | |
| South Korea | Not in O2 Travel Standard rates | No published price | £8.9920GB, 30 days | |
| UAE | O2 Travel | £49.00£7 a day × 7 | £11.495GB, 30 days | Confronta |
| Mexico | O2 Travel | £49.00£7 a day × 7 | £27.755GB, 30 days | Confronta |
| New Zealand | O2 Travel | £49.00£7 a day × 7 | £5.495GB, 30 days | Confronta |
| Dominican Republic | O2 Travel | £49.00£7 a day × 7 | £10.995GB, 30 days | Confronta |
| Cape Verde | O2 Travel | £49.00£7 a day × 7 | £144.505GB, 30 days | Confronta |
| Switzerland | O2 Europe Zone Europe Zone: check your plan | No published price | £3.995GB, 30 days | |
| Sri Lanka | O2 Travel | £49.00£7 a day × 7 | £5.995GB, 30 days | Confronta |
| Maldives | Not in O2 Travel Standard rates | No published price | £117.505GB, 30 days | |
| Vietnam | Not in O2 Travel Standard rates | No published price | £8.255GB, 30 days | |
| Montenegro | O2 Travel | £49.00£7 a day × 7 | £9.995GB, 30 days | Confronta |
O2 roaming by destination
- O2 roaming in the USA
- O2 roaming in Japan
- O2 roaming in Turkey
- O2 roaming in Thailand
- O2 roaming in Egypt
- O2 roaming in China
- O2 roaming in Canada
- O2 roaming in India
- O2 roaming in Australia
- O2 roaming in the UAE
- O2 roaming in Mexico
- O2 roaming in New Zealand
- O2 roaming in the Dominican Republic
- O2 roaming in Cape Verde
- O2 roaming in Sri Lanka
- O2 roaming in Montenegro
Pick your destination
USAeSIM from £3.25
EuropaeSIM from £2.49
FranciaeSIM from £2.75
GiapponeeSIM from £2.75
TurkeyeSIM from £1.99
ThailandeSIM from £2.75
SpaineSIM from £2.25
GreeceeSIM from £2.25
ItalyeSIM from £2.25
PortugaleSIM from £2.25
EgypteSIM from £4.99
ChinaeSIM from £2.75
CanadaeSIM from £5.50
IndiaeSIM from £4.49
AustraliaeSIM from £2.75
MoroccoeSIM from £4.49
South KoreaeSIM from £2.75
UAEeSIM from £8.75
MexicoeSIM from £5.75
New ZealandeSIM from £3.25
Dominican RepubliceSIM from £6.49
Cape VerdeeSIM from £32.50
SwitzerlandeSIM from £2.25
Sri LankaeSIM from £3.99
MaldiveseSIM from £24.50
VietnameSIM from £3.25
MontenegroeSIM from £3.75
How to avoid O2 roaming charges
- Before you fly, install a travel eSIM at home on Wi-Fi.
- On landing, set mobile data to the eSIM and turn on data roaming for the eSIM only.
- Turn data roaming off for your O2 SIM so background data doesn’t start a charge. You can still receive calls and texts.
Questions UK travellers ask
How much does O2 charge for roaming?
O2 Travel Bolt On: £7 a day, charged only on days you use your phone abroad, with unlimited calls, texts and data at up to 2 Mbps in 74 destinations outside Europe. O2’s Europe Zone is priced separately, by plan.
Is a travel eSIM cheaper than O2 roaming?
It depends on where you go and for how long. The table above shows a week in each destination, using O2’s lowest published option and a Graba SIM plan of about 0.7 GB a day. O2’s price also includes calls and texts.
Can I keep my O2 number while using an eSIM?
Yes. Keep your O2 SIM in your phone for calls and texts, turn data roaming off for it, and use the eSIM for data.
What if something goes wrong?
Live chat in the Graba SIM app is open 24/7. Email and contact-form requests are answered Monday to Friday.