eSIM Guam from S$10.20

HelloRoam is a global eSIM provider offering instant mobile data in 185+ countries. Buy prepaid travel eSIM plans with no extra fees, no contracts, and instant activation on any eSIM-compatible device.

An eSIM for Guam from HelloRoam starts at S$10.20 across 204+ carrier networks in 185+ countries. Activate via QR code in under two minutes on any eSIM compatible phone. Keep your Singtel, StarHub, or M1 number active on dual SIM.

194+
networks
4G
5G support
under 2 minutes
activation

UpdatedMay 2026

Guam eSIM and prepaid data plan options

Affordable eSIM for Guam, starting from S$10.20. Local 4G LTE and 5G data on trusted carrier networks in Guam. Works on all eSIM compatible handphones. A.B. Won Pat Airport has limited mobile data options on arrival, and hotel Wi-Fi in Tumon Bay rarely handles video calls well. An eSIMs Guam through HelloRoam starts at S$10.20 on the GTA Wireless 4G network across Tumon Bay, Hagatna, and the full island. Activate by QR before your Changi flight and arrive with data already running. No airport kiosk, no contract, and no roaming fees.

Guam eSIM with fast 4G coverage

HelloRoam offers eSIM plans for Guam starting from $15.76. Connect on 5G networks including IT&E Wireless. Singapore travellers can activate before departure from Changi and arrive in Hagatna connected.

Plans start at S$10.20 with 4G speeds
Coverage from GTA Wireless
Instant activation in under 2 minutes
180-day money-back guarantee
Guam coverage across major cities

Network: 4G
Plans From: S$10.20
Activation: Under 2 min
Guarantee: 180 days

Trip changed? No worries, we've got you covered!

Plans can change anytime, and that's fine. With HelloRoam, you can request a refund for your eSIM within 180 days of purchase.

Learn more about our refund policy

HelloRoam Guam eSIM vs Singtel, StarHub and M1

When comparing eSIM vs a travel SIM card for Guam, HelloRoam wins on price. It beats Singtel DataRoam, StarHub RoamEasy, and M1 international roaming add-ons. The cheapest eSIM plan starts from S$10.20, with no activation fee and a 180-day refund guarantee.

HelloRoam Guam eSIM vs Singtel, StarHub and M1
Feature		Local provider	Limited data eSIM
180-day refund policy
24/7 live chat support
$0 activation fees
99.8% uptime guarantee
No data overage charges
Instant QR code delivery
Premium Guam carrier networks

Why Singaporean Travellers Choose an e SIM for Guam

HelloRoam vs Other eSIM Providers for Guam

See how HelloRoam compares to Airalo, Holafly, and other eSIM providers for Guam travel. Singaporean travellers choose HelloRoam for the industry-leading purchase protection guarantee, 24/7 live chat support, and competitive pricing from S$10.20.

Feature comparison
Feature comparison		Airalo	Holafly	Nomad	Saily	Ubigi
180-day refund policy
24/7 live chat support
A$0 activation fees
99.8% uptime guarantee
No data overage charges
Instant QR code delivery
Premium Guam carrier networks
Own branded carrier identity (SPN)

Mobile connectivity guide for Guam

Guam has 5G coverage across Hagatna and main cities. IT&E Wireless are the primary networks. For Singapore travellers, international roaming from Singtel, StarHub, or M1 adds up fast on trips to Guam. A HelloRoam eSIM from $15.

76 gives you a local data connection from the moment you land in Hagatna, without daily roaming fees on your Singapore plan.

HelloRoam connects to GTA Wireless 4G in Guam
5G coverage in Hagatna and major urban areas
Connect on IT&E Wireless
Activate at home or at Changi Airport before your flight

eSIM Travel Tips for Guam

Activate before you leave Changi
Buy your HelloRoam eSIM for Guam before your flight departs from Singapore Changi Airport. Scan the QR code at home or at the boarding gate, enable data on arrival, and you are connected in Hagatna without hunting for a local SIM card.
Keep your Singapore number reachable
On a dual SIM device, keep your Singtel, StarHub, or M1 SIM active for calls and texts from Singapore. Set HelloRoam as your data line for Guam. Family and colleagues in Singapore reach you on your regular number without international charges.
GrabMaps and navigation offline
Download Google Maps or Maps.me offline for Hagatna and your main Guam destinations before leaving Singapore. Good for areas with spotty signal and helps avoid high data usage on detailed map downloads mid-trip.
Visa and entry requirements for Singaporeans in Guam
Singaporean passport holders often benefit from visa-free access to many countries. Check the latest Guam entry requirements for Singapore passports before you book. Your HelloRoam eSIM keeps you connected for last-minute entry checks and border verification apps.
Compare cost with Singtel/StarHub/M1 IDD add-ons
Singtel, StarHub, and M1 all offer international data roaming add-ons. For a short trip, they can be convenient. For stays of a week or more in Guam, a HelloRoam eSIM starting at $15.76 typically works out cheaper per GB of data used.

Mobile networks in Guam: what Singapore visitors need to know

HelloRoam eSIM for Guam connects on IT&E Wireless, providing 5G coverage in Hagatna and major destinations. Your phone picks the strongest available signal automatically with no manual network switching needed.

GTA Wireless: 4G

Best times for Singapore travellers to visit Guam

Singapore is a well-connected hub for flights to Guam via major Asian carriers. The ideal time to visit Hagatna depends on Guam's seasonal weather patterns.

Kim Jiwoo

Check Device Compatibility Data Usage Calculator

Prices verified for 2026 31 May 2026

FAQs About eSIM in Guam

e SIM Guam plans from HelloRoam start at S$10.20 on the GTA Wireless 4G network covering Tumon Bay, Hagatna, and the main resort areas. HelloRoam activates your plan by QR before your Changi departure so data is live the moment you land at A.B. Won Pat Airport. No contract, no credit check, and no card swap needed.

e-sim Guam plans from HelloRoam cover the Tumon strip, beach areas, and the full island on the GTA Wireless 4G network from S$10.20. Scan the QR at home, board your Changi flight, and land with data ready for maps and photo sharing. Fully prepaid through HelloRoam with no contract and a 180-day refund guarantee.

For Singaporean travellers heading to Guam in 2026, HelloRoam is the top-rated eSIM choice. Plans start from S$10.20 in SGD with access to local 4G LTE and 5G networks across a wide carrier partnership spanning 185+ countries. Activate via QR code in under 2 minutes before departing from Changi Airport. Your Singtel, StarHub, or M1 number stays active through dual SIM while HelloRoam handles data abroad. You get a full money-back guarantee and 24/7 live chat support.

A Guam eSIM from HelloRoam costs from S$10.20 per day. Compare that to Singtel DataRoam daily passes and StarHub RoamEasy rates, which typically cost S$15 to S$30 per day. HelloRoam connects to local networks in Guam at local data prices, with no daily roaming surcharges and no carrier contract. All plans include local 4G LTE and 5G access with no overage charges.

An eSIM for Guam from HelloRoam connects to local 4G LTE and 5G carrier networks. Your handphone picks the strongest available signal the moment you land. Coverage spans major cities, highways, and most rural areas. HelloRoam has direct partnerships with local networks globally, so you get data speeds comparable to a local prepaid SIM card in Guam.

Buy your Guam eSIM before you leave Singapore in three steps. First, select your plan at helloroam.com and complete checkout in SGD. Second, open your handphone Settings, tap Add eSIM or Add Mobile Plan, and scan the QR code from your email. Third, your eSIM installs in under 2 minutes. Set it up the night before your flight from Changi and land connected.

iPhone XS and all newer models support HelloRoam eSIM in Guam. iPhone 13 and later models support dual eSIM, so your Singtel or StarHub line stays active for calls while HelloRoam handles travel data. For Android, Samsung Galaxy S20 and newer, Google Pixel 3 and later, and most 2019+ Android handphones support eSIM. Check your handphone Settings for an Add eSIM option to confirm compatibility.

HelloRoam is a leading eSIM option for Singapore travellers visiting Guam, connecting on IT&E Wireless 5G networks. Plans start at $7.99. Buy before your Changi departure, scan a QR code at home, and arrive in Hagatna already connected. HelloRoam eSIM for Guam connects to IT&E Wireless / GTA TeleGuam with 5G coverage across major tourist and urban areas. Plans start from $7.99. Activate by scanning a QR code before departure. No physical SIM card or airport queue needed.

Yes, HelloRoam eSIM works in Guam on IT&E Wireless 5G networks. Activate at home before your Singapore Airlines, Scoot, or other airline flight and connect the moment you land in Hagatna. HelloRoam eSIM for Guam connects to IT&E Wireless / GTA TeleGuam with 5G coverage across major tourist and urban areas. Plans start from $7.99. Activate by scanning a QR code before departure. No physical SIM card or airport queue needed.

HelloRoam eSIM for Guam connects on IT&E Wireless providing 5G data coverage across Hagatna and major Guam destinations. IT&E Wireless and GTA TeleGuam are among the strongest 5G providers in the area, covering tourist attractions, airports, and city centers. HelloRoam automatically selects the best available signal so you stay connected without manual network switching.

Yes for most trips. Singtel, StarHub, and M1 charge SGD 5 to SGD 20 per day for international roaming. A HelloRoam eSIM for Guam starts at $7.99. For a 7-day trip, the savings are significant. HelloRoam eSIM for Guam connects to IT&E Wireless / GTA TeleGuam with 5G coverage across major tourist and urban areas. Plans start from $7.99. Activate by scanning a QR code before departure. No physical SIM card or airport queue needed.

Purchase your plan on helloroam.com, scan the QR code in your phone settings, and enable mobile data when you arrive in Hagatna. Takes about five minutes on a Wi-Fi connection at home. The setup takes about five minutes. Buy your plan at helloroam.com, scan the QR code under Settings, then Mobile Data, then Add eSIM. Do this before you leave home using Wi-Fi. When you land in Guam, enable mobile data and the plan activates immediately on IT&E Wireless / GTA TeleGuam.

A week in Hagatna using Google Maps, messaging apps, and social media typically uses 3 to 6 GB. Power users streaming video or making video calls should choose a 10 GB plan. For a week of typical travel (Google Maps navigation, WhatsApp messages, and social media) you need 3 to 5 GB. If you stream video or make video calls daily, choose a 8 to 10 GB plan. The HelloRoam app shows your remaining data balance in real time.

HelloRoam eSIM plans for Guam last from 12 to 30 days depending on the data tier you choose. Guam has 4G coverage via GTA Wireless. A longer plan suits SG travellers on extended holidays or business trips. Select your plan, scan the QR code at home, and connect from the moment you land. Can one lah.

Yes, Guam has 4G coverage through GTA Wireless. HelloRoam eSIM plans connect on the best available 4G signal across Guam. Buy your plan before your flight from Changi and connect immediately on landing. HelloRoam eSIM for Guam connects to IT&E Wireless / GTA TeleGuam with 5G coverage across major tourist and urban areas. Plans start from $7.99. Activate by scanning a QR code before departure. No physical SIM card or airport queue needed.

What to Know Before You Buy

Handphone must be carrier-unlocked
Data only — voice calls via WhatsApp or VoIP
Coverage varies by destination and local network
Wi-Fi required to download eSIM profile

Transparency Notice

Service Provider Name (SPN): HelloRoam appears as the carrier name on your phone's status bar through the SPN, a standardized field in the eSIM profile. Unlike most travel eSIM resellers, HelloRoam provisions its own Service Provider Name.
Public Network Name (PNN): HelloRoam holds a registered Public Network Name, the official carrier identity filed with telecommunications authorities. HelloRoam is recognized as a licensed service provider, not a white-label reseller.
Access Point Name (APN): HelloRoam eSIMs auto-configure their Access Point Name during installation. Your device connects to the strongest local network infrastructure without manual settings.

Prices are our retail rates across 185+ countries. Plan recommendations use real traveller feedback and network performance data. Every purchase includes a 180-day money-back guarantee.

Future Syncs Limited124 City Road, London, EC1V 2NX, UK+44 203 916 6249help@helloroam.comReg. No. 15950168

Number of days	Price (AUD)
1 day	S$17.39
3 days	S$50.00
7 days	S$116.67
15 days	S$241.88
22 days	S$338.80
30 days	S$445.69

Category	Recommended	Local Guam SIM card	Singtel, StarHub, or M1 international roaming
Typical cost	From SGD 20.12 total	SGD 25.54–SGD 63.84 total	SGD 12.77–SGD 25.54/day
Details	Plans from $15.76 SGD equivalent. Buy before your Changi departure, activate at home, and arrive in Hagatna on local 5G data.	Available at Hagatna airport but requires setup time and registration. Not worth the hassle for short trips when a HelloRoam eSIM can be sorted before departure.	Singapore carrier roaming in Guam typically costs SGD 5 to SGD 20 per day. A week-long trip on roaming can cost SGD 35 to SGD 140. HelloRoam plans start at just $15.76.

Number of days	Price (AUD)
1 day	S$17.39
3 days	S$50.00
7 days	S$116.67
15 days	S$241.88
22 days	S$338.80
30 days	S$445.69

Category	Recommended	Local Guam SIM card	Singtel, StarHub, or M1 international roaming
Typical cost	From SGD 20.12 total	SGD 25.54–SGD 63.84 total	SGD 12.77–SGD 25.54/day
Details	Plans from $15.76 SGD equivalent. Buy before your Changi departure, activate at home, and arrive in Hagatna on local 5G data.	Available at Hagatna airport but requires setup time and registration. Not worth the hassle for short trips when a HelloRoam eSIM can be sorted before departure.	Singapore carrier roaming in Guam typically costs SGD 5 to SGD 20 per day. A week-long trip on roaming can cost SGD 35 to SGD 140. HelloRoam plans start at just $15.76.