Compare eSIMs for Oceania 2026

Australia accounts for most of what is offered in Oceania, with New Zealand, Guam and Fiji providing the stronger alternatives. The region’s vast distances, scattered islands and many small states help explain why availability is so uneven, and a trip involving Samoa or another less-served member deserves country-by-country checking. If your itinerary is mainly in Australia, compare the regional option with a single-country plan; the regional choice is chiefly paying for flexibility across the other stops.