TOP 1EDITOR'S PICK
+11810 GB
5G ready€3.37/GB
Find the best eSIM for Guam
We analyzed 3,568 live offers from 25 providers for Guam. Compare total cost, usable data, validity and network details, not marketing claims.
+118TOP 2
9 GB
4G / LTE€1.10/GB
TOP 3
1 GB
4G / LTE€7.94/GB
TOP 4
3 GB
5G ready€9.76/GB
€1.45median price / GB
€0.92lowest total price
25providers tracked
19davg plan duration
QUICK ANSWER / VALUE PICKS
Best eSIM for Guam in 2026: start here
Four clear picks for Guam: the lowest total price, the best value around 7 days, the best value around 30 days, and the cheapest unlimited option. Open the catalog below to filter further.
iRoamly0.5 GB · 1 days
Total€0.92
€ / GB€1.83
Roamify3 GB · 7 days
Total€4.36€4.14
€ / GB€1.38
ESIMP5-5%
eSIM4Travel3 GB · 30 days
Total€4.88€4.39
€ / GB€1.46
ESIMP-10%
RedteaGOUnlimited · 1 days
Total€3.21€3.05
€ / GBFair use
ESIMP-5%
- Market median on limited plans: €1.45 per GB.
- Best effective rate in catalog: €0.30 per GB.
- Average plan validity: 19 days.
- 11% of tracked plans advertise 5G; 7% mention hotspot.
LIVE CATALOG / FILTERABLE
Compare 3,568 eSIM plans
Twenty offers are rendered first. Load more only when you need them.
| # | Provider / plan | Data | Validity | Network | Coverage | Total | Price / GB | Actions |
|---|---|---|---|---|---|---|---|---|
| 1 |  | 0.5 GB | 1 days | 5G | | €0.92 | €1.83 | |
| 2 |  | 1 GB | 7 days | 4G / LTE |     +67 | €1.49 | ||
| 3 | | 1 GB | 1 days | 5G | | €1.83 | €1.83 | |
| 4 | | 0.5 GB | 2 days | 5G | | €2.29 | €4.59 | |
| 5 |  | 1 GB | 1 days | 4G / LTE |    +133 | €2.53 | ||
| 6 | | 1 GB | 2 days | 5G | | €2.75 | €2.75 | |
| 7 | | 2 GB | 1 days | 5G | | €2.75 | €1.38 | |
| 8 |  | 1 GB | 7 days | 5G | | €2.41 | ||
| 9 | | 1 GB | 7 days | 5G | | €2.47 | ||
| 10 | | 1 GB | 7 days | 4G / LTE | +65 | €2.66 | ||
| 11 | | 0.5 GB | 1 days | 5G | | €3.21 | €6.42 | |
| 12 | | Unlimited | 1 days | 4G / LTE | +133 | - | ||
| 13 | | 0.5 GB | 3 days | 5G | | €3.49 | €6.97 | |
| 14 | | 3 GB | 1 days | 5G | | €3.67 | €1.22 | |
| 15 | | 1 GB | 30 days | 4G / LTE | | €3.49 | ||
| 16 | | 1 GB | 1 days | 5G | | €3.67 | €3.67 | |
| 17 |  | 1 GB | 1 days | 4G / LTE | | €3.47 | ||
| 18 | | 1 GB | 7 days | 4G / LTE | | €3.47 | ||
| 19 |  | 2 GB | 7 days | 4G / LTE | | €1.79 | ||
| 20 | | 0.5 GB | 4 days | 5G | | €4.13 | €8.26 |
1
- Data
- 0.5 GB
- Validity
- 1 days
- Network
- 5G
- Price / GB
- €1.83
Coverage
2
- Data
- 1 GB
- Validity
- 7 days
- Network
- 4G / LTE
- Price / GB
- €1.49
Coverage+67
+673
- Data
- 1 GB
- Validity
- 1 days
- Network
- 5G
- Price / GB
- €1.83
Coverage
4
- Data
- 0.5 GB
- Validity
- 2 days
- Network
- 5G
- Price / GB
- €4.59
Coverage
5
- Data
- 1 GB
- Validity
- 1 days
- Network
- 4G / LTE
- Price / GB
- €2.53
Coverage+133
+1336
- Data
- 1 GB
- Validity
- 2 days
- Network
- 5G
- Price / GB
- €2.75
Coverage
7
- Data
- 2 GB
- Validity
- 1 days
- Network
- 5G
- Price / GB
- €1.38
Coverage
8
- Data
- 1 GB
- Validity
- 7 days
- Network
- 5G
- Price / GB
- €2.41
Coverage
9
- Data
- 1 GB
- Validity
- 7 days
- Network
- 5G
- Price / GB
- €2.47
Coverage
10
- Data
- 1 GB
- Validity
- 7 days
- Network
- 4G / LTE
- Price / GB
- €2.66
Coverage+65
+6511
- Data
- 0.5 GB
- Validity
- 1 days
- Network
- 5G
- Price / GB
- €6.42
Coverage
12
- Data
- Unlimited
- Validity
- 1 days
- Network
- 4G / LTE
- Price / GB
- -
Coverage+133
+13313
- Data
- 0.5 GB
- Validity
- 3 days
- Network
- 5G
- Price / GB
- €6.97
Coverage
14
- Data
- 3 GB
- Validity
- 1 days
- Network
- 5G
- Price / GB
- €1.22
Coverage
15
- Data
- 1 GB
- Validity
- 30 days
- Network
- 4G / LTE
- Price / GB
- €3.49
Coverage
16
- Data
- 1 GB
- Validity
- 1 days
- Network
- 5G
- Price / GB
- €3.67
Coverage
17
- Data
- 1 GB
- Validity
- 1 days
- Network
- 4G / LTE
- Price / GB
- €3.47
Coverage
18
- Data
- 1 GB
- Validity
- 7 days
- Network
- 4G / LTE
- Price / GB
- €3.47
Coverage
19
- Data
- 2 GB
- Validity
- 7 days
- Network
- 4G / LTE
- Price / GB
- €1.79
Coverage
20
- Data
- 0.5 GB
- Validity
- 4 days
- Network
- 5G
- Price / GB
- €8.26
Coverage
Offer links may be affiliate links marked as sponsored. We may earn a commission at no extra cost to you; commissions never change rankings. Disclosure
What travelers should know about Guam
Heading to Guam ? eSIMPlanet compares 3510 live plans from 25 providers . Last catalogue refresh: 2 August 2026 at 15:42. The lowest price in the catalogue starts at $1.00 (0.5 GB, 1 days, iRoamly). Best observed price per GB: $0.87/GB . Guam is outside free EU roaming. Classic international roaming can cost more than a full eSIM plan in a single day. For most trips, a travel eSIM is the simplest way to lock your data budget before you fly. Use the table below to filter by duration, data volume and budget. Verified partner promo codes appear on the matching offers.
BUYING GUIDE
How to choose an eSIM for Guam
The cheapest plan is not always the best trip fit. For Guam, balance data volume, validity and network features against your real usage.
- 01
Estimate your data need
Maps, messaging and light browsing usually fit in 3 to 5 GB per week. Video and hotspot use climb fast. Across limited plans for Guam, the average allowance is currently 16 GB.
- 02
Match validity to your trip
A low total price with a short window can still be expensive if you need coverage for three weeks. Average validity in this market is 19 days.
- 03
Prefer clear network specs
11% of offers list 5G readiness and 7% mention hotspot. If you work from a laptop tether, filter for hotspot before you buy.
- 04
Treat unlimited carefully
There are 1,665 unlimited-style plans in this catalog. Fair-use throttling can make €/GB comparisons misleading, so we keep them out of the median benchmark.
DATA SIGNALS / FULL VALUE
What one gigabyte really costs in Guam
Unlimited plans are kept out of €/GB math so the benchmark for Guam stays comparable.
Lowest effective €/GB among limited-data plans right now.
Median sits at €1.45/GB. Half of eligible plans land in this range.
11% 5G-ready · 7% hotspot · 19d avg validity
HOST NETWORKS
Which eSIM providers use which networks in Guam
Travel eSIMs for Guam connect through local host operators, not their own towers. Below is the current 2026 catalog mapping: provider, host operator(s), and the radio labels those offers advertise. The host networks that appear most often are Docomo Pacific, Smartroam (VN), PTI Pacifica. Providers with the clearest operator labels right now include Roamify, iRoamly, Sim Local.
Each row groups one provider’s Guam plans by the host operator names found in the catalog. Counts show how often that pairing appears, not a coverage quality score.
| Provider | Host operators | Network labels | 5G plans |
|---|---|---|---|
 Roamify861 plans sampled |
| 4G / LTE3G | 0% |
 iRoamly103 plans sampled |
| 4G / LTE5G | 100% |
 Sim Local4 plans sampled |
| Not listed | 0% |
 Eskimo1 plans sampled |
| 5G | 100% |
Most common host operators in Guam
- Docomo Pacific904 labeled plans
- Smartroam (VN)4 labeled plans
- PTI Pacifica1 labeled plans
SETUP GUIDE
How to install an eSIM for Guam
Most travelers can install before departure over Wi-Fi, then activate on arrival. Keep your primary SIM available until the travel eSIM is online.
- 01Check device compatibility
Confirm your phone is carrier-unlocked and supports eSIM. Recent iPhone, Google Pixel and many Samsung flagships do.
- 02Buy and receive the QR or install link
Choose a plan for Guam, complete checkout with the provider, and save the QR code or activation email offline.
- 03Install over stable Wi-Fi
Scan the QR in mobile settings or follow the provider install link before you fly when possible.
- 04Enable data roaming for the eSIM line
On arrival, select the travel eSIM as your data line, enable data roaming for that line, and keep the primary number for calls or 2FA if needed.
Installation steps can vary by provider app. If setup fails, open the provider guide linked from the offer page before contacting support.
PROVIDER SHORTLIST
Best eSIM providers for Guam
These providers currently appear most often in the Guam catalog. Open a review for setup notes, then jump back to the live comparison for exact plan pricing.
Roamify
861 plans · from €4.36
iRoamly
103 plans · from €0.92
GigSky
10 plans · from €5.94
Ezy eSIM
7 plans · from €7.34
Voye Global
6 plans · from €7.00
Sim Local
4 plans · from €17.25
METHODOLOGY / REPRODUCIBLE
How eSIM Giga ranks this market
- Collect. We normalize live plan prices, data, validity and feature fields.
- Compare. Limited-data plans are measured by total cost and effective €/GB.
- Separate. Unlimited plans never distort the median price per GB benchmark.
- Refresh. The page is regenerated daily from the latest catalog snapshot.
Commercial relationships can affect outbound links, never the formula or the underlying price fields. Read the full editorial methodology, explore more markets in the destinations directory or open provider reviews.
FAQ / TRAVELERS ASK
Guam eSIM FAQ
Straight answers built from the live catalog and practical setup guidance for Guam.
How much do eSIMs for Guam cost?
In our live catalogue, the cheapest plan starts at $1.00 (0.5 GB, 1 days from iRoamly). We currently list 3510 offers from 25 providers.
Do I need an eSIM in Guam?
In most cases yes: outside free EU roaming, classic roaming fees add up fast. A travel eSIM locks your data cost before you leave.
Which local networks do eSIMs use in Guam?
According to our plan database: Coverage area and list of operators, Docomo, Docomo Pacific, eSIMo, GTA, GTA Wireless, IT&E, IT&E Wireless. The exact network depends on the eSIM provider you choose.
What is the best unlimited eSIM for Guam?
The most accessible unlimited plan in our catalogue is from RedteaGO at $3.50 for 1 days. Also compare fair-use and hotspot terms on the plan card.
When was the Guam eSIM comparison last updated?
Catalogue data last refreshed: 2 August 2026 at 15:42. Provider prices and availability can still change.
How much does an eSIM for Guam cost in 2026?
In the current 2026 snapshot for Guam, the lowest total price tracked is €0.92 across 3,568 plans from 25 providers. The median value on limited-data plans is €1.45 per GB.
What is the best eSIM for Guam right now?
There is no single winner for every trip in Guam. Current catalog leaders by plan count include Roamify, iRoamly, GigSky. Start with the top ranked plans on this page, then filter by data size, validity and 5G or hotspot needs.
Which local networks do travel eSIMs use in Guam?
Plans sampled for Guam most often mention host operators such as Docomo Pacific, Smartroam (VN), PTI Pacifica. The exact partner network still depends on the provider and plan you buy, so confirm the operator label before checkout.
Do I need unlimited data in Guam?
Only if you expect heavy streaming or long hotspot sessions. Limited packs are easier to value with €/GB. This market currently lists 1,665 unlimited-style plans, which we keep out of the median €/GB benchmark because of fair-use rules.
Are travel eSIMs in Guam 5G ready?
11% of tracked plans for Guam advertise 5G support. Real-world access still depends on your handset, local partner network and the provider policy.
KEEP EXPLORING
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