O2 roaming: what is included, what it costs, and when an eSIM is cheaper
Of the 24 destinations we track, 21 are included with an O2 plan. Everywhere else, here is what data costs, country by country, against today’s cheapest eSIM.
Rates checked on October 21, 2026 in the official price guide
Included destinations
21
of 24 tracked
Charged separately
3
destinations outside every plan
eSIM for 7 days
$9.00
from, depending on the destination
The most popular destinations with O2
For each country: what your O2 plan includes, what it costs, and the cheapest eSIM, priced on the photo.
Where data is included with O2
The 24 destinations we track, sorted by your O2 plan.
6
In every plan
Data is included at no extra cost, within your allowance abroad.
15
Depends on the plan
Included with O2 Travel Inclusive Zone and Ultimate Plans; otherwise, a pass or the pay-as-you-go rate, shown country by country.
3
Always extra
No plan includes them: a pass or the pay-as-you-go rate, shown country by country.
O2 abroad: our analysis
Across the 24 destinations we track, from O2’s rate sheet and today’s eSIM prices.
O2 against eSIMs
O2 charges in GBP, while the cheapest eSIMs are mostly priced in another currency: we convert nothing.
Against other UK carriers
Destinations included in at least one plan, out of the 24 we track:
- ThreeThree24 / 24
- EEEE21 / 24
- O2O221 / 24
- VodafoneVodafone12 / 24
- giffgaffgiffgaff6 / 6
Country by country
The O2 rate and the cheapest eSIM for 7 days of everyday use.
| Destination | Included with | Otherwise | eSIM for 7 days from | The offer |
|---|---|---|---|---|
 Australia | O2 Travel Inclusive Zone and Ultimate Plans | £7.00/day | $12.00 | See the plan |
 Canada | O2 Travel Inclusive Zone and Ultimate Plans | £7.00/day | $12.99 | See the plan |
 China | Ultimate Plans | £7.00/day | $13.00 | See the plan |
 Egypt | Ultimate Plans | £7.00/day | $12.99 | See the plan |
 France | all Pay Monthly plans and Pay As You Go SIMs | — | $12.99 | See the plan |
 Greece | all Pay Monthly plans and Pay As You Go SIMs | — | $10.00 | See the plan |
 Iceland | all Pay Monthly plans and Pay As You Go SIMs | — | $11.00 | See the plan |
 India | Ultimate Plans | £7.00/day | $12.99 | See the plan |
 Indonesia | Ultimate Plans | £7.00/day | $12.99 | See the plan |
 Italy | all Pay Monthly plans and Pay As You Go SIMs | — | $10.00 | See the plan |
 Japan | Ultimate Plans | £7.00/day | $12.99 | See the plan |
 Mexico | O2 Travel Inclusive Zone and Ultimate Plans | £7.00/day | $15.50 | See the plan |
 Morocco | — | £65.00/GB | $12.99 | See the plan |
 New Zealand | O2 Travel Inclusive Zone and Ultimate Plans | £7.00/day | $12.99 | See the plan |
 Peru | O2 Travel Inclusive Zone and Ultimate Plans | £7.00/day | €18.99 | See the plan |
 Portugal | all Pay Monthly plans and Pay As You Go SIMs | — | $9.00 | See the plan |
 Singapore | Ultimate Plans | £7.00/day | $11.00 | See the plan |
 South Korea | — | £65.00/GB | $12.99 | See the plan |
 Spain | all Pay Monthly plans and Pay As You Go SIMs | — | $9.79 | See the plan |
 Thailand | Ultimate Plans | £7.00/day | $9.50 | See the plan |
 Turkey | Ultimate Plans | £7.00/day | $12.99 | See the plan |
 United Arab Emirates | Ultimate Plans | £7.00/day | $16.00 | See the plan |
 United States | O2 Travel Inclusive Zone and Ultimate Plans | £7.00/day | $12.99 | See the plan |
 Vietnam | — | £65.00/GB | $10.90 | See the plan |
Affiliate links
O2 travel offers
As the official price guide describes them.
| Offer | Price | What it includes |
|---|---|---|
| Europe Zone roaming (included) | UK plan allowance up to 25GB/month in the Europe Zone (plans over 25GB); plans of 25GB or less have no specific limit | |
| O2 Travel Inclusive Zone | Unlimited data (no volume cap) | |
| O2 Travel Inclusive Zone Ultimate | Unlimited data (no volume cap) | |
| O2 Travel Bolt On | £7.00/day | Unlimited minutes, texts and data |
| Data roaming bundles – tier 1 (US, CA, MX, AU, NZ, PE…) | £6.00/GB | 1GB, 3GB or 5GB |
| Data roaming bundles – tier 2 (JP, TR, EG, AE, TH, ID, CN, IN, SG…) | £9.00/GB | 1GB, 3GB or 5GB |
| Data roaming bundles – tier 3 (MA, VN, KR…) | 100MB, 500MB or 1GB | |
| Pay As You Go standard rate outside Europe | £7.20/MB | Billed per MB from your credit |
O2 abroad: your questions
Answered from the O2 price guide and today’s prices.
Which countries are included with O2?
In every plan: France, Greece, Iceland, Italy, Portugal, and Spain; depending on the plan: Australia, Canada, China, Egypt, India, Indonesia, Japan, Mexico, New Zealand, Peru, Singapore, Thailand, Turkey, United Arab Emirates, and United States.
How much does data abroad cost with O2?
Outside your plan, a week of everyday use (6 GB) costs from £49.00 (United Arab Emirates) to £390.00 (Vietnam) with O2’s best offer.
Which O2 pass should I get for a week?
Most often 7 × O2 Travel Bolt On: it is the best one-week offer in 15 of 18 destinations.
O2 or an eSIM: which is cheaper?
O2 charges in GBP, while the cheapest eSIMs are mostly priced in another currency: we convert nothing.
Which UK carrier includes the most destinations?
Three: 24; EE: 21; O2: 21; Vodafone: 12; giffgaff: 6, out of the 24 destinations we track.
How do I avoid roaming charges abroad?
Use a travel eSIM for data and turn off data roaming on your O2 line. You keep your number for calls and texts.
Can I keep my O2 number with an eSIM?
Yes, on an eSIM-compatible phone: your O2 line stays on for calls and texts while the eSIM carries the data.