Guam Travel eSIM
A week in Guam at standard use (about 1GB a day) costs US$49.20 on the 10GB, 30 day plan, and two weeks US$90.50 on the 20GB, 30 day plan.
Roams on GTA Wireless, up to 4G.
Your trip
About 1GB a day
10GB, 30 daysUS$49.20
US$4.92 per GB
Birthday sale: 30% off with BIRTHDAY30 until 9 Oct.
The RoamMore Guam eSIM runs on GTA Wireless (4G), with plans of 1GB or more from US$7.40 and unlimited daily plans from US$7.40 a day, or one price for the whole trip on Endless, from US$39.70 for a week. Days start when it first connects in Guam, not when you install it.
Light or heavy user? See trip costsFind my Guam planHow much data do I need?
Guam eSIM key facts
- Networks
- GTA Wireless (4G)
- Cheapest plan, 1GB or more
- US$7.40 for 1GB, 7 days
- Best price per GB
- US$4.53 per GB on 20GB, 30 days (US$90.50)
- Plans
- 12: 6 fixed, 6 unlimited daily
- Popular plans
- 1GB, 7 days: US$7.40
- 3GB, 30 days: US$17.10
- 10GB, 30 days: US$49.20
- 20GB, 30 days: US$90.50
- Unlimited daily
- from US$7.40 a day (1GB a day at full speed)
- Endless, one trip price
- US$39.70 for a week at 1GB a day
- Regional plans that also cover it
- Days start
- On first connection in Guam
- Install window
- 180 days from purchase
- Internet exit (breakout)
- Singapore
- Hotspot
- Allowed on the daily plans
- Calls and texts
- Data only; app calls work
Prices and networks checked 27 Sep 2026 from our live catalogue. Reviewed by Nicholas, founder.
Guam eSIM data plans
One block of data for a set number of days. Prices in USD, updated 27 Sep 2026.
Enter code BIRTHDAY30 at checkout for 30% off every plan below.
| Data | Valid for | Price | Buy |
|---|---|---|---|
| 1GB | 7 days | $7.40 USD | Buy |
| 3GB | 15 days | $16.20 USD | Buy |
| 3GB | 30 days | $17.10 USD | Buy |
| 5GB | 30 days | $25.60 USD | Buy |
| 10GB | 30 days | $49.20 USD | Buy |
| 20GB | 30 days | $90.50 USD | Buy |
Buy sends you to our shop's secure Stripe checkout. Your eSIM installs right after checkout, with a copy by email.
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Unlimited Guam eSIM: daily plans
A fresh block of full-speed data every day, then unlimited at reduced speed. Rows marked Endless open Endless, where you pick your days and pay one price for the whole trip. On the other rows, choose your days at checkout.
Enter code BIRTHDAY30 at checkout for 30% off every plan below.
| Full speed / day | Billing | Price / day | Buy |
|---|---|---|---|
| 500MB | per day | $8.20 USD | Choose |
| 1GB | per day | $7.40 USD | Choose |
| 2GB | per day | $13.30 USD | Choose |
| 3GB | per day | $19.30 USD | Choose |
| 5GB | per day | $24.40 USD | Choose |
| 10GB | per day | $43.60 USD | Choose |
How much is a Guam eSIM for one or two weeks?
The cheapest plan here that covers each trip.
| Data use | One week | Two weeks |
|---|---|---|
| Lightabout 300MB a day | US$16.203GB, 15 days | US$25.605GB, 30 days |
| Standardabout 1GB a day | US$49.2010GB, 30 days | US$90.5020GB, 30 days |
| Heavyabout 2GB a day | US$81Endless, 2GB a day | US$160Endless, 2GB a day |
Guam eSIM FAQ
How much is a Guam eSIM for a week?
Standard use, about 1GB a day, costs US$49.20 on the 10GB, 30 day plan; light use (300MB a day) US$16.20 (3GB, 15 days) and heavy use (2GB a day) US$81 (Endless, 2GB a day).
How much is a Guam eSIM for two weeks?
Standard use, about 1GB a day, costs US$90.50 on the 20GB, 30 day plan; light use (300MB a day) US$25.60 (5GB, 30 days) and heavy use (2GB a day) US$160 (Endless, 2GB a day).
Does the Guam eSIM have 5G?
No. GTA Wireless, its network in Guam, runs at up to 4G.
Which networks does the Guam eSIM use?
It connects to GTA Wireless (4G), our partner network in Guam.
Which regional eSIM also covers Guam?
The Global eSIM includes Guam and covers up to 120 countries on one plan, from US$11.90, handy if the trip also takes in Japan or the United States.
Can I share the Guam eSIM data by hotspot?
Yes, on the daily plans, from US$7.40 a day; hotspot use counts toward the same daily allowance.
When do the days start on the Guam eSIM?
On first connection in Guam, not at purchase or install. Install it on wifi before you fly, up to 180 days after buying.
Can I make calls with the Guam eSIM?
No, it is data only, with no Guam number: WhatsApp and FaceTime calls work over the data.
Where does the Guam eSIM connect to the internet from?
From Singapore, so apps may see you there rather than in Guam, which mostly matters to banking and streaming.
Heading somewhere else?
One eSIM can cover a whole region, handy for multi-country trips.
Travel eSIM guides for Guam
Ready to land online in Guam?
Pick your data, install before you fly, connect the second you arrive. Find my Guam plan