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Singapore · 1networks · Updated May 2026

Singapore Data Roaming Costs: 2026 Carrier Price Breakdown

1 carrier compared · Updated May 2026 · By Roaming Experts

$79+
You save
per 7-day trip to Singapore
AT&T $84.00 · eSIM $5.49

Short Answer:

AT&T charges $12/day for roaming in Singapore. A 7-day trip costs $84.00 in carrier fees.HelloRoam covers that same week for $5.49 total1GB on local networks. You save $78.51 with HelloRoam. No contract changes needed. Prices verified May 2026.

The pain

What carriers charge in Singapore

Daily rate, total cost, and what you actually get.

US carrier roaming costs in Singapore, verified May 2026
CarrierDaily7-day14-dayDataVerdict
AT&T
Day Pass
$12.00$84.00$168.002GB high-speed/dayExpensive
Verizon
TravelPass
$12.00$84.00$168.005GB high-speed/dayExpensive
T-Mobile
Magenta
$0.00$0.00$0.00Unlimited at 2G (128kbps)Free but slow
T-Mobile
International Pass
$10.00$70.00$140.002GB high-speed/dayCostly

Prices verified May 28, 2026. Updated weekly from provider websites.

Unlimited option

Save even more with unlimited data in Singapore

Unlimited daily data. Longer trips unlock bigger discounts.

Unlimited Daily Data for Singapore
Unlimited daily data. Longer stays unlock bigger discounts.
Up to 18% off
Unlimited eSIM pricing tiers vs carrier roaming for Singapore, verified May 2026
DurationeSIM TotalPer DayAT&T CostYou Save
1 day$3.35$3.35$12.00$8.65(72%)
3 days8% off$9.63$3.21$36.00$26.37(73%)
7 days8% off$22.48$3.21$84.00$61.52(73%)
14 days11% off$43.49$3.11$168.00$124.51(74%)
30 days18% off$85.85$2.86$360.00$274.15(76%)
Unlimited daily data at full LTE/5G speed. AT&T comparison uses $12/day International Day Pass rate. Prices verified May 2026.
Trip cost

Your trip to Singapore

Real cost breakdown for a typical 4-day visit.

The average trip to Singapore runs 4 days. Over that time, AT&T charges $48.00 in Day Pass fees. Verizon TravelPass comes to $48.00.

Even T-Mobile's $10/day upgrade adds up to $40.00. A travel eSIM for Singapore covers all 4 days for $5.49 total — that's a $42.51 saving over AT&T, or 89% less.

Travelers in Singapore typically use 2.0GB of mobile data per day — 1GB comfortably covers a 4-day trip. Singapore has excellent Wi-Fi coverage in hotels and cafes, so you can stretch your eSIM data further by offloading heavy tasks to Wi-Fi. Most visitors arrive during Dec-Jan and Jun-Aug; book your eSIM before departure to lock in today's price.

Avg trip
4 days
AT&T total
$48.00
eSIM total
$5.49
You save
$42.51
The relief

The eSIM alternative for Singapore

Verified providers. Same data, fraction of the cost.

HelloRoam ranks second overall on our savings-weighted rubric, with 204+ carrier networks across 185+ countries at the lowest verified per-GB rate.

Winner
HelloRoam logo
HelloRoam
Singapore · 1GB · 7 days
$5.49
$0.78 / day
  • 204+ carrier networks worldwide
  • 180-day refund policy
  • Instant QR install
Get HelloRoam for $5.49 (opens in new tab)
Airalo logo
Airalo
Singapore · 10GB · 30 days
$25.00
$0.83 / day
  • Instant QR install
  • 5G where available
  • Keep your home number
View Airalo (opens in new tab)
Holafly logo
Holafly
Singapore · Unlimited · 30 days
$57.00
$1.90 / day
  • Instant QR install
  • 5G where available
  • Keep your home number
View Holafly (opens in new tab)
Saily logo
Saily
Singapore · 10GB · 30 days
$18.99
$0.63 / day
  • Instant QR install
  • 5G where available
  • Keep your home number
View Saily (opens in new tab)
Nomad logo
Nomad
Singapore · 10GB · 30 days
$15.00
$0.50 / day
  • Instant QR install
  • 5G where available
  • Keep your home number
View Nomad (opens in new tab)
The math

Savings breakdown for Singapore

Carrier cost vs eSIM for different trip lengths.

eSIM vs carrier roaming savings for Singapore, verified May 2026
Trip LengthAT&T CosteSIM CostYou Save
7 days$84.00$5.49$78.51
14 days$168.00$5.49$162.51
30 days$360.00$5.49$354.51
Seasonal

Best time to visit Singapore

Peak season and what it means for your trip budget.

eSIM prices do not change by season — you pay the same rate year-round regardless of when you travel. Peak season in Singapore runs Dec-Jan and Jun-Aug. Year-round destination; peak during Christmas/New Year and European summer holidays Prices stable year-round; frequent promotions at carrier stores

Annual visitors: 16.5M (2024)
Peak: Dec-Jan
Peak: Jun-Aug
By carrier

Carrier deep-dives for Singapore

AT&T in Singapore

AT&T's International Day Pass connects your phone to Singtel, StarHub. You pay $12 every day your device touches the network in Singapore — background app syncs count. There is no daily cap on the charge.

Activation fee
$0
Data
Unlimited
Networks
Singtel, StarHub
Verdict
Expensive

T-Mobile in Singapore

T-Mobile Magenta includes free roaming in Singapore at 128 kbps (2G speeds). Local networks in Singapore average 355 Mbps — your eSIM runs at that full speed. Maps and plain text work at 2G; photos, video, and real browsing do not. Go5G Plus customers get 5GB free high-speed included. The $10/day International Pass unlocks LTE/5G for all other plans.

Base speed
128kbps (2G)
Intl Pass
$10/day for LTE
Networks
Singtel, StarHub
Verdict
Free but slow

Verizon in Singapore

Verizon TravelPass is $12/day on Singtel, StarHub. After 5GB at LTE speed, your connection reduces to 3G. Charged any day you use service in Singapore — even one background app sync. Verizon auto-enrolls TravelPass; opt out in the My Verizon app before you depart.

Speed change at
5GB/day
Auto-enroll
Yes (opt-out)
Networks
Singtel, StarHub
Verdict
Expensive
Singapore network context

5G coverage is widespread in Singapore. AT&T's International Day Pass connects your phone to Singtel, StarHub, M1. You pay $12 every day your device touches the network — background app syncs count. T-Mobile Magenta includes free roaming in Singapore at 128 kbps (2G speeds). Mobile speeds in Singapore average 355 Mbps — eSIM data runs at the same 355 Mbps — over 2773.4x faster.

Verizon TravelPass is $12/day on Singtel, StarHub, M1. High-speed data is capped at 5GB — after that your connection drops to 3G. Verizon auto-enrolls TravelPass; you must opt out in the app before departure. Singapore has expensive local SIMs compared to Southeast Asian neighbors — but excellent value compared to Western roaming rates.

Speed reality

T-Mobile free tier vs local speeds in Singapore

Why 128 kbps is not a real internet connection.

Mobile networks in Singapore average 355 Mbps download speed. T-Mobile's included international data runs at 128 kbps — that is 2773.4x slower. At 128 kbps, loading a single Google Maps tile takes roughly 30 seconds. Video calls are impossible.

A travel eSIM connects to the same local networks at full LTE or 5G speed. Maps, messaging, ride-hailing, and video calls all work normally. 5G coverage is widespread in Singapore, so real-world speeds can exceed 355 Mbps in major cities.

Bill shock

Real roaming bill scenarios in Singapore

What carrier roaming actually costs travelers.

4-day trip with AT&T
$48.00 carrier$5.49 eSIM

AT&T International Day Pass charges $12/day in Singapore. Over 4 days that is $48.00 — even if your phone only syncs email in the background.

4-day trip with Verizon
$48.00 carrier$5.49 eSIM

Verizon TravelPass auto-enrolls your line at $12/day. A 4-day trip costs $48.00, and high-speed data is capped at 5 GB.

4-day trip with T-Mobile upgrade
$40.00 carrier$5.49 eSIM

T-Mobile's free tier is 128 kbps — unusable for maps or video. The $10/day speed upgrade in Singapore adds up to $40.00 over 4 days.

Two-week extended trip (AT&T)
$168.00 carrier$5.49 eSIM

A 14-day trip pushes AT&T Day Pass to $168.00. AT&T caps charges at $120/month (10 days), so the remaining days are included — but you still pay $120 minimum.

Watch out

Roaming traps in Singapore

Hidden charges and gotchas that catch travelers off guard.

high risk
Background app sync

Your phone syncs email, photos, and apps in the background the moment it connects in Singapore. Each sync triggers a full day's roaming charge on AT&T and Verizon.

Enable airplane mode before landing, then activate your eSIM.

high risk
Verizon auto-enrollment

Verizon auto-enrolls TravelPass when your phone connects in Singapore. You must opt out in the My Verizon app before departure.

Disable TravelPass in the My Verizon app before your trip.

medium risk
iMessage SMS fallback

When iMessage cannot reach Apple servers it falls back to SMS. One international SMS can cost $0.50-$1.00 and triggers a roaming day charge.

Turn off Send as SMS in Settings > Messages before departure.

medium risk
Layover data charge

A brief layover or transit stop in Singapore can trigger a full $12 day charge if your phone connects to a local tower.

Keep airplane mode on during layovers unless you need data.

Verdict

eSIM or carrier roaming for Singapore?

The bottom line on cost and speed.

A travel eSIM wins on both cost and speed for Singapore. The cheapest verified plan delivers 1GB for $5.49 — that is 89% less than AT&T's $48.00 over 4 days. Local networks average 355 Mbps — over 2773.4x faster than T-Mobile's free 128 kbps tier.

You save $42.51 on a single trip. No daily fees, no data caps beyond your plan allowance, no auto-enrollment surprises. Install before departure, activate on landing, done.

Family math

Family roaming costs in Singapore

Per-person charges multiply fast for families.

Family roaming costs for a 7-day trip to Singapore, verified May 2026
CarrierFamily of 2Family of 4eSIM (4)Savings (4)
AT&T Day Pass$96.00$192.00$21.96$170.04
Verizon TravelPass$96.00$192.00$21.96$170.04
T-Mobile Upgrade$80.00$160.00$21.96$138.04
All options

Every way to get online in Singapore

Ranked from cheapest to most expensive.

#1Travel eSIM$5.49 totalBest

Prepaid data on local networks in Singapore. Install before departure, activate on arrival. Full LTE/5G speed.

#2Hotel / cafe Wi-FiFree

Wi-Fi is excellent in Singapore. Not reliable for navigation or ride-hailing on the move.

#3Airport SIM card$12-30 for 100GB / 7-28 days

Available at arrival in Singapore. Requires queuing, passport registration, and a physical SIM slot.

#4T-Mobile free tierIncluded

128 kbps data — technically free but practically unusable for maps, photos, or video.

#5AT&T International Day Pass$48.00 (4 days)

$12/day on local carriers. Background syncs trigger a full day charge.

#6Verizon TravelPass$48.00 (4 days)

$12/day with 5 GB high-speed cap. Auto-enrolls unless you opt out.

Quick answer

Singapore roaming charges at a glance

Roaming in Singapore costs £2.00 to $12.00 per day on major carriers. A 7-day trip adds $84.00 in roaming fees before you send a single photo.

T-Mobile is the cheapest carrier option for Singapore, including roaming at no extra charge with Unlimited at 2G.

Verizon charges the most at $12.00/day. A 14-day trip costs $168.00 in roaming fees alone.

A travel eSIM for Singapore starts at $5.49 total, covering the entire trip at local network speeds with no daily charges.

Local value

Savings in SGD

What your eSIM saving means in Singapore's local currency.

Carrier roaming fees are billed in USD and feel abstract until converted. The $78.51 you save on a 7-day trip with a travel eSIM — compared to AT&T — is real money. That's roughly the cost of two decent meals, a day tour, or several taxi rides in Singapore. Your bank converts the $5.49 eSIM charge to S$ (SGD) at the spot rate with no markup; carrier fees hit your bill weeks later, often with additional currency conversion charges from your carrier.

Currency: S$ SGD
eSIM cost (USD): $5.49
AT&T 7-day (USD): $84.00
How to switch

How to avoid roaming charges in Singapore

  1. 1
    Put your phone in airplane mode before takeoff.
    Prevents auto-enrollment in carrier roaming passes during the flight or on landing.
  2. 2
    Buy a travel eSIM for Singapore ($5.49 typical).
    Travel eSIM providers (HelloRoam, Airalo, and Saily) sell pre-purchased plans with QR-code activation.
  3. 3
    Install the eSIM and label it.
    Install in airplane mode. Label the line "Singapore — data only." Keep your carrier line for SMS.
  4. 4
    Enable the eSIM line for data after landing.
    Switch default data to the eSIM. Leave your carrier line off for data, on for incoming SMS. Emergency number in Singapore: 999/995.
  5. 5
    Back home: switch data back to your carrier.
    The eSIM stays available for your next trip. No re-purchase needed if data remains.
Data tips

Data usage tips for Singapore

Download offline maps before you go
Google Maps and Apple Maps both support offline areas. Download your destination city to avoid burning data on navigation.
Wi-Fi is excellent in Singapore
Wireless@SG provides free public WiFi island-wide; excellent coverage in MRT, malls, and public spaces Save your eSIM data for when you actually need mobile connectivity.
Turn off automatic app updates
iOS and Android both update apps in the background. Disable auto-updates over cellular to keep data usage predictable.
Travelers use ~2.0GB/day here
The average traveler in Singapore uses 2.0GB of mobile data per day. Plan your eSIM data accordingly — 1GB covers a comfortable trip.
Calculate

Your exact savings for Singapore

Pick your carrier, trip length, and data usage.

1Your carrier
2Destination
3Trip length
4Data usage
You save
$74.60
on a 7-day trip to Japan
AT&T · 7d
$84.00
Best eSIM · moderate usage
$9.40
FAQ

Common Singapore roaming questions

Does 5G roaming work in Singapore?

Singapore has widespread 5G coverage. Nationwide 5G standalone coverage achieved in 2025; all carriers offer 5G Your travel eSIM will connect at 5G speeds where available, provided your phone supports 5G. AT&T International Day Pass and Verizon TravelPass technically support 5G roaming, but the high cost ($12/day) makes carrier 5G roaming poor value. T-Mobile's free tier does not benefit from 5G at all because it is locked to 128 kbps.

Should I buy an airport SIM card or a travel eSIM for Singapore?

A travel eSIM is better for most travelers. Airport SIM cards in Singapore cost $12-30 for 100GB / 7-28 days and require passport registration plus queuing at a kiosk. Wait times range from 5 to 30 minutes during busy arrival periods. A travel eSIM installs before you board your flight, activates when you land, and costs $5.49 for 1GB. You skip the airport queue entirely. The eSIM connects to the same local networks at the same speed.

How good is Wi-Fi coverage in Singapore?

Wi-Fi availability in Singapore is excellent. Wireless@SG provides free public WiFi island-wide; excellent coverage in MRT, malls, and public spaces You can use hotel and cafe Wi-Fi for large downloads, video calls, and streaming to conserve your eSIM data. Mobile data is still essential for transit navigation, ride-hailing apps, and connectivity between Wi-Fi zones.

How much data do travelers use per day in Singapore?

Travelers in Singapore use approximately 2.0GB of mobile data per day on average. Over a 4-day trip, that totals roughly 8GB. The cheapest eSIM for Singapore includes 1GB for $5.49, which comfortably covers a standard trip. Download offline maps and streaming content before departure to reduce daily data consumption by 30-50%.

Does AT&T charge the full $12 even if I only use data for a few minutes in Singapore?

Yes. AT&T International Day Pass charges the full $12 for any day your phone uses data, voice, or SMS in Singapore. One background email sync, one push notification, or one iMessage fallback to SMS triggers the full daily rate. There is no partial-day billing. There is no refund for minimal usage.

Does T-Mobile Go5G Plus include free high-speed data in Singapore?

Yes. Go5G Plus and Go5G Next include free high-speed data while roaming in Singapore. Go5G Plus provides 5GB per trip and Go5G Next provides 15GB per trip. After the high-speed allowance, speeds drop to 256 kbps. This is the best free carrier data option for Singapore, but it requires T-Mobile's most expensive domestic plan. A travel eSIM provides similar or more data for $5.49.

Can I use my Verizon phone with a travel eSIM in Singapore?

Yes. iPhone XS and newer, most Google Pixel phones, and Samsung Galaxy S20 and newer all support eSIM alongside your Verizon physical SIM. You do not need to unlock your phone to add an eSIM. Install the travel eSIM, set it as your default data line, and disable cellular data on your Verizon line. This prevents TravelPass from activating while your eSIM handles all data in Singapore.

Which UK carrier is cheapest for roaming in Singapore?

For worldwide destinations including Singapore, Three is cheapest at GBP2.75/day via Go Roam. EE charges GBP5.91/day. A travel eSIM at $5.49 costs less than a single day on any UK carrier.

Can I receive SMS verification codes while using an eSIM in Singapore?

Yes. Keep your carrier SIM active for SMS reception. SMS verification codes arrive on your carrier line regardless of which line handles data. Your bank, email provider, and social media accounts send codes to your carrier phone number. The travel eSIM handles data while your carrier SIM handles SMS. Both lines operate simultaneously on dual-SIM phones.

How much data does Google Maps use per day in Singapore?

Google Maps uses 5-10 MB per hour of active navigation in Singapore. A full day of sightseeing with 4-5 hours of maps usage consumes 30-50 MB. Download offline maps for your destination cities before departure to reduce this to near zero. With offline maps, Google Maps uses GPS only (no data) for navigation and only needs data for real-time traffic updates and search.
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