Yesim
★ Best match for you
Guam 1 GB
- Data
- 1 GB
- Validity
- 30 days
€9.50
€9.50 / GB €0.32 / day
Price checked November 10, 2026
Best eSIM for Guam in 2026
Compare travel eSIM data plans for Guam. Sort by price, price per GB or data, and filter by trip length.
All eSIM plans for Guam
Yesim
★ Best match for you
Guam 3 GB
- Data
- 3 GB
- Validity
- 30 days
€20.00
€6.67 / GB €0.67 / day
Price checked November 10, 2026
Yesim
★ Best match for you
Guam 5 GB
- Data
- 5 GB
- Validity
- 30 days
€30.00
€6.00 / GB €1.00 / day
Price checked November 10, 2026
Yesim
- Cheapest / GB
- Most data
★ Best match for you
Guam 10 GB
- Data
- 10 GB
- Validity
- 30 days
€50.00
€5.00 / GB €1.67 / day
Price checked November 10, 2026
No plan matches these filters.
Prices are indicative, shown in the provider's currency and checked on the date displayed. The final price is confirmed on the provider's site.
Staying connected in Guam
- Install your eSIM before you leave, while you are on Wi‑Fi, and switch it on when you land.
- Most travel eSIMs are data-only: you keep your usual number for calls and SMS on your main line, and use WhatsApp or FaceTime over data.
- Check that your phone is carrier-unlocked and eSIM-compatible before buying. Is my phone eSIM compatible?
- Compare with your own operator's roaming offer: outside your home zone, a travel eSIM is usually far cheaper per GB.
Frequently asked questions about eSIMs in Guam
Which eSIM is best for Guam?
Based on the 4 plans we compare, the cheapest per GB is Guam 10 GB from Yesim. For unlimited data, look at —. The best choice depends on your trip length and how much data you use.
How much does an eSIM for Guam cost?
Plans start at €9.50 (Yesim, Guam 1 GB). Prices were checked on November 10, 2026.
Can I keep my WhatsApp number with an eSIM in Guam?
Yes. WhatsApp is tied to your account, not to your SIM. With a data-only travel eSIM, WhatsApp keeps working with your usual number.
When should I install my eSIM for Guam?
Install it before departure while connected to Wi‑Fi, then turn on the eSIM line and data roaming when you arrive. Validity usually starts on first connection in the destination.
Is my phone compatible with an eSIM?
Most recent iPhones, Google Pixel and Samsung Galaxy flagships support eSIM. Your phone must also be unlocked. See our compatibility guide for details.