AGAll Antigua and Barbuda eSIM plans compared
| プロバイダー | 価格（5GB） | 通信範囲 | 評価 | こんな方におすすめ |
|---|---|---|---|---|
| HelloRoam | ￥6,202 | FLOW | 4.9/5 | 総合最高 |
| Airalo | ￥2,432 | 200カ国以上 | 4.5/5 | 最多渡航先 |
| Holafly | 無制限 | 160カ国 | 4.2/5 | ヘビーユーザー |
Antigua and Barbudaのおすすめトップ3
Antigua and Barbudaで利用可能な5件のeSIMプランを評価し、確認済み価格・ネットワーク通信範囲・開通速度・アプリ品質を比較しました。 その中から5件が際立っていました。
メリット： 1GBあたりの価格が最安値、高速開通、FLOWでのAntigua and Barbuda通信カバレッジ。 デメリット： 比較的新しいブランドで、Airaloよりコミュニティが小さい。
| ティア | 期間 | 割引 | 開始価格 |
|---|---|---|---|
| ショートステイ | 1-2日 | 4%オフ | $6.70$3.35/日 · 2d |
| ウィークパッケージ | 3-9日 | 8%オフ | $22.48$3.21/日 · 7d |
| 延長ステイ | 10-19日 | 11%オフ | $31.06$3.11/日 · 10d |
| マンスリーパッケージ | 20-29日 | 15%オフ | $59.33$2.97/日 · 20d |
| 長期滞在最もお得 | 30-365日 | 18%オフ | $85.85$2.86/日 · 30d |
メリット： 200カ国以上対応、チャージ可能、最大のコミュニティ。 デメリット： 一部ルートでは新興プロバイダーより割高で、サポートの応答時間にムラがある。
メリット： 真の無制限データ、速度制限なし、24時間365日ライブチャットサポート。 デメリット： プレミアム価格で、1GBあたりの選択肢なし。
Network coverage in Antigua and Barbuda
FLOW (formerly Cable & Wireless) is the leading mobile operator in Antigua and Barbuda, providing 4G LTE across Antigua and 3G on Barbuda. FLOW covers English Harbour, Dickenson Bay, Jolly Beach, and all main resort zones. A secondary carrier, Digicel, also operates in Antigua, but FLOW is the dominant option for eSIM plans available to international visitors.
通信範囲の分析
FLOW 4G covers the entire main island of Antigua including St. John's, English Harbour, Dickenson Bay, Jolly Harbour, Jolly Beach, and Half Moon Bay. V.C.
Bird International Airport has 4G in both terminals. Barbuda receives 3G/4G near Codrington and the main beach landing zones. Remote northern beaches on Barbuda are off-network.
Sailing in Falmouth Harbour and English Harbour maintains 4G for weather apps and race tracking during Sailing Week.
開通方法
Install the HelloRoam eSIM QR code before your flight to V.C. Bird International Airport. FLOW activates automatically in the arrivals hall.
No SIM card purchase, no registration counter. Your device must be carrier-unlocked. iPhone XS or newer, Pixel 3a or newer, and Galaxy S20 or newer all support eSIM. Activation completes in under 2 minutes after landing.
データ通信の活用のコツ
Budget 400-600 MB per day for beach bar and restaurant lookups, Google Maps for island navigation, and daily photo uploads from Antigua's beaches. Sailing Week attendees tracking race results, weather GRIB files, and marine VHF apps use 800 MB-1 GB per day. Barbuda day trips: download offline maps before boarding the ferry, as signal near the frigate bird sanctuary drops significantly.
Video calls home from English Harbour use 400-600 MB per hour.
Antigua and Barbudaのプラン評価方法
Antigua and Barbuda eSIM prices reflect small Caribbean island infrastructure costs. The 1-day unlimited plan starts at $17.28. The 7-day plan at $115.92 covers a standard sail and beach holiday.
A data-limited 7-day plan from $10.98 suits lighter usage. The 14-day plan runs $224.28 and the 30-day plan at $442.80 ($14.76/day) is the best rate with an 18% discount. For Sailing Week visitors, a 7-day unlimited plan is the practical choice.
Best eSIM plans for Antigua and Barbuda in 2026
| プラン | ネットワーク | 有効期限 | 価格 |
|---|---|---|---|
| Antigua and Barbuda Unlimited 1Day ⭐ | FLOW | 1d / 0GB | ￥2,627 |
| Antigua and Barbuda Unlimited 3Days | FLOW | 3d / 0GB | ￥7,551 |
| Antigua and Barbuda Unlimited 7Days | FLOW | 7d / 0GB | ￥17,620 |
| Antigua and Barbuda Unlimited 14Days | FLOW | 14d / 0GB | ￥34,091 |
| Antigua and Barbuda Unlimited 30Days | FLOW | 30d / 0GB | ￥67,306 |
Prices verified: May 2026
Questions about Antigua and Barbuda eSIMs
What is the best eSIM for Antigua?+
How much does an eSIM for Antigua cost?+
Does eSIM cover Barbuda as well as Antigua?+
Is there good eSIM coverage at English Harbour?+
How do I activate an eSIM at V.C. Bird Airport?+
Which network does an Antigua eSIM use?+
Is unlimited data available on an Antigua eSIM?+
Does my phone support eSIM in Antigua?+
プロバイダーレビュー
Antigua and Barbudaで利用可能なトップeSIMプロバイダーの詳細レビューをご覧ください。
