比較ガイド · 2026年6月更新
ギリシャローミング vs eSIM
このガイドはギリシャのローミング vs eSIMを比較。キャリアパッケージ: Cosmote & Vodafone vs travel eSIM and best eSIM Greece.
EU fair-use caps
Even EU SIMs can throttle after heavy data use on longer ギリシャ stays.
Non-EU visitors pay more
US, UK and other non-EU plans rarely include ギリシャ data at home rates.
Hidden background data
Roaming on triggers app updates and burns your allowance or triggers fees.
Prepaid eSIM price
Pick GB and days upfront—fixed cost before you land at ATH.
ローミングが高くなる理由
ギリシャ cities need reliable mobile data for maps, trains and messaging. Non-EU visitors pay travel passes or per-MB rates. EU residents can hit fair-use limits on extended trips.
コスト比較
| 選択肢 | 料金モデル | 注意 |
|---|---|---|
| Home roaming (non-EU) | Daily pass or per-MB | Adds up over 7–14 days in ギリシャ |
| EU home roaming | Often included with cap | Fair-use throttle after heavy use |
| ギリシャ旅行eSIM | One-off prepaid (GB + days) | Usually data-only; QR before ATH |
| Airport SIM / local shop | Prepaid in person | Queues, local forms, passport registration |
ローミング料を避ける
- Turn off Data Roaming on your home SIM before you leave.
- Install a prepaid ギリシャ eSIM on Wi-Fi before your flight.
- Enable the eSIM data line after landing at ATH.
- Keep your home number for SMS on Wi-Fi; do not use it for mobile data.
関連ガイド
FAQ
多くの場合はい。日額とMB課金が積み重なる—7–14日ならプリペイドeSIMが安いことが多い。
多くのプランはギリシャを有料ゾーン扱い。1週間はプリペイドeSIMより高くなりがち。
ローミングOFF、出発前にギリシャ eSIMをインストール、ATH着陸後eSIMでデータ。
はい。オンライン購入、自宅でQR、ATH着陸後にデータON。